MICROPLASTIC FILTERING SYSTEM FOR A HOUSEHOLD APPLIANCE, IN PARTICULAR A WASHING MACHINE, SUCH AS A LAUNDRY WASHING MACHINE, SAID SYSTEM BEING PROVIDED WITH A DRAINING PUMP
The system (10) comprises a casing (12) internally defining a cavity (14) and comprising, in turn, an inlet (16) configured to receive a fluid that contains microplastics and leading into the cavity (14), and an outlet (18) configured to deliver the fluid contained in the cavity (14), from which the microplastics have been substantially removed. A filtering assembly (100) contained in the cavity (14) is configured to be crossed by the fluid entering the casing (12) through the inlet (16) and exiting through the outlet (18), thus internally trapping the microplastics. A compacting assembly (200) is situated in the cavity (14) and configured for collecting and compacting the microplastics trapped by the filtering assembly (100). A driving assembly (300) is configured to drive the compacting assembly (200). A storing container (20) is housed in a storing chamber (14c) defined by the cavity (14) and facing towards the compacting assembly (200), and is configured to store the microplastics collected and compacted by the compacting assembly (200). A draining pump (400) is configured for taking in the liquid contained in the storing chamber (14c) and pushing the liquid out of the casing (12).
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/64 - Regenerating the filter material in the filter by scrapers, brushes or the like, acting on the cake side of the filtering element
A system includes a casing internally defining a filtering cavity and having an inlet leading into the filtering cavity and configured to be hydraulically connected downstream of a discharge pump and to receive a fluid containing microplastics. The casing also has an outlet configured to deliver the fluid contained in the filtering cavity, from which the microplastics have been substantially removed. A filtering assembly contained in the filtering cavity is crossed by the fluid entering the casing through the inlet and exiting through the outlet, thus internally trapping the microplastics. A compacting assembly is situated in the filtering cavity and configured for collecting and compacting the solid particles trapped by the filtering assembly. A pre-filtering assembly is configured to be fluidically connected upstream of a discharge pump to trap any foreign bodies that may be present in the microplastic-containing fluid.
A washing machine includes a cabinet in which a washing tub is defined. A discharge piping fluidically connects to the washing tub on one side, and connectable to a waste system on the other side. A discharge pump is situated in the discharge piping and is configured to push a washing liquid, containing microplastics and coming from the washing tub, towards the waste system. A discharge pump filter is situated in the discharge piping fluidically upstream of the discharge pump and is configured to trap any foreign bodies that may be present in the microplastic-containing washing liquid. A microplastic filtering system is situated in the discharge piping fluidically downstream of the discharge pump. A drawer internally houses the system.
Direct acting solenoid valve comprising a hollow valve body (2), an obturator member (13), a movable core (12) fixedly coupled with the obturator member (13), a solenoid (10) energizable to control the movable core (12), a spring (19) configured to urge the obturator member (13) towards the valve seat (7), and a permanent magnet (21) configured to attract the movable core (12) away from the valve seat (7). The obturator member (13) is holdable in an open position by combined application of magnetic forces from the permanent magnet (21) and solenoid (10) to the movable core (12). De-energization of the solenoid (10) causes the obturator member (13) to move from the open position to a closed position. Electric power needed by the solenoid (10) to hold the obturator member (13) in the open position is lower than electric power needed by the solenoid (10) to remove the obturator member (13) from the closed position.
The present invention concerns door-lock device (1) for a door of a household appliance having a door and a prong (N) associated with said door, wherein said door-lock device (1) comprises: a containment casing (2); a blocking assembly (3) arranged in said containment casing (2), which includes a blocking slider (32), constrained to slide between a retracted position and an extracted position, wherein said blocking slider (32) is arranged to interfere with a prong (N) when the door is opened; and an electric module (4) comprising a blocking pin (41), wherein said blocking pin (41) is capable of assuming an unlocking position on command, and a blocking position to hold said blocking slider (32) in said blocking position. Wherein, the door-lock device comprises a damping assembly (5) having a safety member or pin (52), arranged so as to limit the sliding of said blocking slider (32) when said blocking slider (32) is strained by said prong (N) to move from said extracted position to said retracted position and said blocking pin (41) is in said blocked position.
The present invention concerns door-lock device (1) for a door of a household appliance having a door and a prong (N) associated with said door, wherein said door-lock device (1) comprises: a containment casing (2); a blocking assembly (3) arranged in said containment casing (2), which includes a blocking slider (32), constrained to slide between a retracted position and an extracted position, wherein said blocking slider (32) is arranged to interfere with a prong (N) when the door is opened; and an electric module (4) comprising a blocking pin (41), wherein said blocking pin (41) is capable of assuming an unlocking position on command, and a blocking position to hold said blocking slider (32) in said blocking position. Wherein, the door-lock device comprises a damping assembly (5) having a safety member or pin (52), arranged so as to limit the sliding of said blocking slider (32) when said blocking slider (32) is strained by said prong (N) to move from said extracted position to said retracted position and said blocking pin (41) is in said blocked position.
The present invention also concerns a household appliance, such as a washing machine and the like.
The present invention concerns a household appliance, such as a washing machine (1) and the like, comprising a chassis (2), a door (12) hinged to said chassis (11) for closing an opening (130), and at least one door-lock device (2), close to said door (12) to lock said door (12) closed, and comprising a reset lever (23) configured to unlock said door-lock device (2) to release said door when it is blocked closed. Said household appliance comprises an emergency device (3) comprising an unlocking member (31), wherein said unlocking member (31) comprises an actuation relief (314), accessible from the outside of the chassis (11) of the household appliance (1), and an unlocking relief (313) arranged so as to actuate said reset lever (23) to unlock said door-lock device (2).
The present invention concerns a household appliance, such as a washing machine (1) and the like, comprising a chassis (2), a door (12) hinged to said chassis (11) for closing an opening (130), and at least one door-lock device (2), close to said door (12) to lock said door (12) closed, and comprising a reset lever (23) configured to unlock said door-lock device (2) to release said door when it is blocked closed. Said household appliance comprises an emergency device (3) comprising an unlocking member (31), wherein said unlocking member (31) comprises an actuation relief (314), accessible from the outside of the chassis (11) of the household appliance (1), and an unlocking relief (313) arranged so as to actuate said reset lever (23) to unlock said door-lock device (2).
The present invention also concerns an emergency device (3).
A tubular element for electromagnetic valves is adapted to be assembled to a valve body in an electromagnetic valve. The tubular element includes: a housing, adapted to internally receive a core and allow the core to slide therein for switching the electromagnetic valve, and a connection portion adapted to be removably fixed to the valve body for assembling the tubular element to the valve body. The housing has a body which is separate from and independent of the connection portion, which in turn has a body. The body of the housing is removably connectable to the body of the connection portion, forming an assembly.
Valves [parts of pumps]; clack valves [parts of machines];
pressure valves [parts of machines]; laundry washing
machines for household purposes; electric washing machines;
pressure regulators [parts of machines]; pressure reducers
[parts of machines]; high pressure washers; pressure release
screws being parts of machines; pressure regulating
apparatus being parts of machines; high-pressure pumps for
washing installations; machines for cleaning surfaces using
high-pressure water; dishwashers; dishwashers for household
purposes; dishwashers for industrial purposes; valves being
parts of pumps; butterfly valves being parts of machines;
hydraulic valve actuators; valve actuators, hydraulic;
pneumatic valve actuators; pump diaphragms; centrifugal
pumps; pumps [machines]; control valves for regulating the
flow of gases and liquids; control valves for regulating the
flow of gases and liquids [parts of machines]; centrifugal
fan condensers; hydraulic actuators; hydraulic engines and
motors; heat exchangers [parts of machines]. Hot water boilers; pressure water tanks; industrial dish
drying machines; shower control valves; level controlling
valves in tanks; thermostatic radiator valves; water control
valves for faucets; thermostatic valves [parts of heating
installations]; metering valves [parts of heating or gas
installations]; dosing valves [parts of heating or gas
installations]; automatic temperature regulators
[thermostatic valves] for central heating radiators; hot air
apparatus; hydromassage bath apparatus; aquarium heaters;
drying apparatus and installations; lighting apparatus and
installations; cooling appliances and installations;
refrigerating appliances and installations; water softening
apparatus and installations; cooking apparatus and
installations; sanitary apparatus and installations;
ventilation [air-conditioning] installations and apparatus;
refrigerating apparatus and machines; water purifying
apparatus and machines; air purifying apparatus and
machines; hand drying apparatus for washrooms; bath
fittings; air-conditioning apparatus; gas scrubbing
apparatus; desiccating apparatus; multicookers; water intake
apparatus; refrigerating cabinets; kettles, electric;
heating apparatus; gas boilers; heating boilers;
refrigerating chambers; extractor hoods for kitchens;
freezers; dehumidifiers; kitchen ranges [ovens]; bath
installations; heating installations; purification
installations for sewage; refrigerators; humidifiers; water
coolers; air impellers for ventilation; motorized fans for
air-conditioning; ventilating fans; heat exchangers for
chemical processing.
Valves for pumps; clack valves being parts of machines; back pressure valves as parts of machines; laundry washing machines for household purposes; electric laundry washing machines; pressure regulators being parts of machines; pressure reducers as parts of machines; high pressure washers; pressure release screw pumps being parts of machines; pressure regulating apparatus in the nature of pressure regulators being parts of machines; highpressure pumps for washing installations; machines for cleaning surfaces using high-pressure water; dishwashers; dishwashers for household purposes; dishwashers for industrial purposes; valves being parts of pumps; butterfly valves being parts of machines; hydraulic valve actuators; valve actuators, hydraulic; pneumatic valve actuators; pump diaphragms; centrifugal pumps; pumps for machines; pump control valves for regulating the flow of gases and liquids; pump control valves for regulating the flow of gases and liquids being parts of machines; centrifugal fan condensers; hydraulic valve and linear actuators, other than for land vehicles; hydraulic engines and motors; heat exchangers being parts of machines Hot water boilers; pressure water tanks, namely, hot water tanks; industrial dish drying machines; plumbing fittings, namely, shower control valves; level controlling valves in tanks, namely, float balls for toilet tanks; thermostatic radiator valves; water control valves for faucets; thermostatic valves as parts of heating installations; metering valves as parts of heating and gas installations; dosing valves being thermostatic valves as parts of heating and gas installations; automatic temperature regulators, namely, thermostatic valves for central heating radiators; hot air heating apparatus; hydromassage bath apparatus; aquarium heaters; drying apparatus and installations, namely, drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems, hand dryers, clothes dryers, dish drying machines for restaurants, electric dish dryers; lighting apparatus and installations, namely, lighting installations, lamps; cooling appliances and installations, namely, space cooling apparatus, installations for water cooling; refrigerating appliances and installations, namely, refrigerators; water softening apparatus and installations; cooking apparatus and installations, namely, cooking ovens, cooking stoves, microwave ovens, air fryers, electric toaster ovens; sanitary apparatus and installations, namely, sinks, bath tubs, shower tubs; ventilation and air-conditioning installations and apparatus; refrigerating installations and machines; water purifying apparatus and machines; air purifying apparatus and machines; hand drying apparatus for washrooms; bath fittings, namely, plumbing fittings being drains, tub control valves; air-conditioning apparatus; gas scrubbing apparatus; multicookers; water intake apparatus, namely, hot water tanks, water purification tanks; refrigerating cabinets; kettles, electric; heating apparatus, namely, electric water heating apparatus; gas boilers for heating installations; heating boilers; refrigerating chambers; extractor hoods for kitchens; freezers; dehumidifiers; kitchen ranges being cooking ovens; bath installations; heating installations; purification installations for sewage; refrigerators; humidifiers; water coolers; air impellers for ventilation; electric motorized fans for air-conditioning; ventilating fans for household use and industrial purposes; heat exchangers for chemical processing
10.
FILTERING SYSTEM, IN PARTICULAR FOR A WASHING OR DRYING MACHINE, SUCH AS A LAUNDRY WASHING MACHINE OR A CLOTHES DRYER
A filtering system (10) includes a casing (12) internally defining a cavity (14) and has an inlet (16) configured to receive a fluid and leading into the cavity (14), and an outlet (18) configured to deliver the fluid coming from the cavity (14). A filtering assembly (100) is contained in the cavity (14) and is configured to be crossed by the fluid entering the casing (12) through the inlet (16), so as to trap any solid particles, in particular microplastic ones, contained in the fluid. A compacting assembly (200) situated in the cavity (14) is configured for collecting and compacting the solid particles trapped by the filtering assembly (100). A driving assembly (300) is configured to drive the compacting assembly (200).
B01D 29/64 - Regenerating the filter material in the filter by scrapers, brushes or the like, acting on the cake side of the filtering element
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/94 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
B01D 29/60 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor integrally combined with devices for controlling the filtration
An electrodynamic position transducer has a casing in which a membrane is clamped, the membrane with a portion of the casing defining at least one chamber of variable volume, a coil having at least one conductive track formed on a coil support, and an interaction element configured to interact magnetically with the coil as a result of a movement of the membrane, in such a way that self-inductance of the coil is variable depending on a relative position of the interaction element with respect to the coil. A circuit, coupled to the coil, provides electrical signals, a parameter of the electrical signals being indicative of the self-inductance of the coil. A hole or recess is formed in the coil support and is configured to receive the interaction element in such a way that one end of the interaction element is positionable flush with or beyond a turn of the coil.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
H01F 7/08 - ElectromagnetsActuators including electromagnets with armatures
12.
Reservoir system for a washing agent, in particular intended for being installed on a washing machine, for example a dishwasher
A system (10) includes a support structure (20) associable with a bottom wall (BW) of a washing tub (WT) of a washing machine (WM). The system further includes a container body (22) having a receptacle (14) configured for receiving a quantity of washing agent. The container body (22) has an opening (24) leading into the receptacle (14). The container body (22) is mountable on the support structure (20) in the washing tub (WT). The container body (22) is configured for being reversibly brought by a user into a retracted condition and an extracted condition. In the retracted condition, the container body (22) is inserted in the support structure (20). In the extracted condition, the container body (22) is removed and separate from the support structure (20). The system (10) includes a closure element (16) configured for closing the opening (24).
G01F 23/38 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using magnetically actuated indicating means
13.
SOLENOID-VALVE DEVICE FOR HOUSEHOLD APPLIANCES AND RELATED HOUSEHOLD APPLIANCE
Solenoid-valve device (2) for household appliances (1), comprising: a hollow body (3) in which at least one inlet duct (36) and at least one outlet duct (37) are formed for a flow of a fluid, said hollow body (3) defining a chamber (35); at least one obstructor assembly (7) movably mounted in said chamber (35); and at least one actuator (4) adapted to control and actuate said obstructor assembly (7). The hollow body (3) comprising a tubular portion (312), having a closed first end (312a) and an open second end (312b) in fluidic communication with said chamber (35). The actuator (4) comprising: at least one solenoid (5), mounted in a fixed position and surrounding at least a tract of said tubular portion (312); and a core (6), arranged within said tubular portion (312) so as to be able to translate, defining a compartment (313). The core (6) being fixed, at a terminal portion thereof (62) to at least one element (72, 74) of said obstructor assembly (7). The volume of the compartment (313) being variable as a function of the translational movements made by said core (6). Said core (6) comprises at least one hollow portion (63); said hollow portion (63) being adapted to define at least one tract of a duct (64) adapted to put said chamber (35) in fluidic communication with said compartment (313).
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
Three-way valve drivable by a pump, switchable between at least two switch positions wherein a first port is selectively in fluid communication with a second port or with a third port. The three-way valve comprises a movable support and a pair of obstructing members carried by the movable support, at least one of which is responsive to the pressure applied by the pump at the first port, at least one of the movable support and obstructing members being movable due to transitions between an off-state and an on-state of the circulation pump. The obstructing members are adapted to engage reciprocatingly the respective seats of the three-way valve. The obstructing members are capable of changing shape synchronously when the pump switches from the off-state to the on-state.
F16K 31/36 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor
F16K 11/02 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit
F16K 11/048 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with valve seats positioned between movable valve members
F24D 3/10 - Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
F24D 19/10 - Arrangement or mounting of control or safety devices
15.
A WASHING AGENT DISPENSER FOR A WASHING MACHINE, PARTICULARLY FOR A DISHWASHER
A washing agent dispenser for a washing machine, in particular a dishwasher, including a dispenser body (2) having a receptacle (3) adapted to contain a washing agent, a cover (10) movable relative to the dispenser body along a sliding direction, between a closed position in which the receptacle (3) is closed by the cover (10) and an open position in which the receptacle (3) is open, and sliding guides interposed between the cover (10) and the dispenser body (2), and comprising first guide elements (21, 22, 23, 25; 21', 22' 23') arranged on the dispenser body (2) and second guide elements (31, 32, 33, 34, 35; 31', 32') arranged on the cover (10) and coupled to the first guide elements (21, 22, 23, 25; 21', 22', 23'). The cover (10) comprises a frame (11) carrying the second guide elements (31, 32, 33, 34, 35; 31', 32') and a shell (13) assembled to the frame (11) and covering the frame (11).
c). The flow meter has rotors (17, 18) mounted rotatably within the housing chamber (15), a permanent magnet (19) arranged on board one of the rotors (17), and a magnetic sensor (20).
G01F 1/10 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission
G01F 1/075 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
17.
Liquid dispensing device, particularly for dispensing washing agents in a washing machine
A dispensing device for a liquid, including a reservoir inside which a holding chamber for a liquid is defined; a ram movable inside the holding chamber, wherein between the ram and the seat a variable volume working chamber is defined, able to communicate with the holding chamber; and a non-return valve, arranged at the outlet opening and downstream of the seat. During the stroke of the ram from a forward end-of-stroke position to a backward end-of-stroke position the liquid flows from the holding chamber to the working chamber, and during the stroke of the ram from the backward end-of-stroke position to the forward end-of-stroke position the liquid is dispensed out from the working chamber through an outlet opening. The device further includes an actuating group arranged outside of the holding chamber and capable of contactlessly controlling motion of the ram.
The pump comprises: a piston (2) at least partially made of ferromagnetic material; and a hollow body (6) configured for being crossed by a flow of fluid and comprising a work chamber (7) in which the piston (2) can reciprocate in a guided manner. The piston (2) defines in the work chamber (7) an inlet chamber (36) and a compensation chamber (38) intended for being crossed by the fluid. The inner surface of the work chamber (7) has at least one recess (42) defining at least one communication duct that fluidically connects the inlet chamber (36) and the compensation chamber (38). There is also a solenoid (4) arranged around the hollow body (6) and configured for actuating the piston (2) electromagnetically. Two ferromagnetic elements (5, 5') are arranged around the hollow body (6) and positioned transversally between the solenoid (4) and the hollow body (6). The ferromagnetic elements (5, 5') are laterally spaced apart and define at least one perimetrical interruption (G, G') in between. The recess (42) is located in a respective perimetrical interruption (G, G') and is laterally delimited by the perimetrical interruption (G, G').
F04B 17/04 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Vibration pump comprising: a core (2) at least partially made of ferromagnetic material; a solenoid (4) for actuating the core (2); a cylinder (6) comprising a work chamber (7) in which the core (2) can slide; an inlet duct (8) and an outlet duct (10), allowing a fluid to flow in the cylinder (6); valve means for generating the flow of fluid from the inlet duct (8) to the outlet duct (10) when the core (2) reciprocates in the cylinder (6); flow-rate measuring means integrated into said pump for measuring the flow rate of the fluid being delivered by the pump.
G01F 1/075 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
The pump comprises a hollow body (6) having an inlet ( 8 ) and an outlet (10), between which a fluid can flow. The hollow body (6) further comprises a work chamber (7) located between the inlet ( 8 ) and the outlet ( 9 ). There is a piston (2) at least partly made of ferromagnetic material and configured for sliding in the hollow body (6) within the work chamber (7), so as to push the fluid from the inlet ( 8 ) to the outlet (10). A generator device (4) is configured for generating a magnetic field capable of commanding the displacement of the piston (2) within the work chamber (7). There is an elastic member (11) co-operating with the piston (2). The elastic member (11) is connected to the piston (2) and is configured for acting bidirectionally upon the piston (2) during the displacement thereof in the work chamber (7).
A tube section (9) for conveying fluids comprises a first tubular element (12) which defines at least partially a cavity (10) and which in turn comprises a thermally conductive portion (16), having a thermal conductivity higher than the thermal conductivity of such first tubular element (12), where the thermally conductive portion (16) extends radially through at least part of the thickness of the first tubular element (12), so as to create a thermal bridge between the fluid and the radially outer surface of the tube section (9).
Hydraulic connection body (11, 13) for a hydraulic group of a heating apparatus, the hydraulic connection body being adapted to be connected on the one side to a heat exchanger (15) of the heating apparatus and on the other side to an external hydraulic system, wherein the hydraulic connection body (11, 13) comprises a system-side duct (11a, 13b; 11b, 13c), adapted to be fluidically connected to the external hydraulic system, and an exchanger- side duct (16, 18) adapted to be connected to the heat exchanger (15). At least one of the ducts (11a, 13b; 16, 18; 11b, 13c) is made as a flexible tube at least in part of insulating material.
An assembly includes a transducer and anti-flood device. The transducer receives, as an input, a pressure signal taken by a liquid held in a main container and includes a circuit, for providing, as an output, an electric control signal having a variable parameter representing the pressure signal. The anti-flood device includes a receptacle, a float and a sensor. The receptacle is arranged to receive and hold a part of liquid coming from the secondary container. The float is movably mounted in the receptacle and moves up to a height representing the level reached by the part of liquid. The sensor is configured to detect the height reached by the float and to transmit an electric level-indicating signal representing the height to the circuit. The circuit is designed to apply, to the variable parameter, a correction that is determined as a function of the level-indicating signal according to predetermined criteria.
A valve assembly includes a valve body, having an inlet duct, an outlet duct and an intermediate portion. An electrovalve is located proximal to the intermediate portion. A measurement device is directly connected to the valve body. The measurement device includes a sensor for taking a measurement for determining a physical characteristic of the fluid that can flow in the valve assembly. The electrovalve includes a first electronic circuit for conducting an electric control signal from a control unit to the electrovalve. The measurement device includes a second electronic circuit for conducting the electric signals exchanged between the control unit and the sensor. The first electronic circuit and the second electronic circuit are implemented on a single header or printed circuit board. The electrovalve and the measurement device are mechanically connected directly to the single header or printed circuit board.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 11/24 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
25.
A LIQUID DISPENSING DEVICE, PARTICULARLY FOR DISPENSING WASHING AGENTS IN A WASHING MACHINE
Dispensing device for a liquid, comprising a reservoir (3) inside which a holding chamber (3d) for a liquid is defined; a ram (16) movable inside the holding chamber (3d), wherein between the ram (16) and the seat (14d) a variable volume working chamber (14e) is defined, able to communicate with the holding chamber (3d); and a non-return valve (30), arranged at the outlet opening (12b) and downstream of the seat (14d). During the stroke of the ram (16) from a forward end-of-stroke position to a backward end-of-stroke position the liquid flows from the holding chamber (3d) to the working chamber (14e), and during the stroke of the ram (16) from the backward end-of-stroke position to the forward end-of- stroke position the liquid is dispensed out from the working chamber (14e) through an outlet opening (12b). The device further comprises an actuating group (21, 22, 23, 24) arranged outside of the holding chamber (3d) and capable of contactlessly controlling motion of the ram (16).
Assembly (1) for dispensing washing agents in the washing chamber (C) of a washing machine, including an integrated dispensing device for washing agents (2), comprising a body (2a) which is intended to be mounted through an opening of a sheet-like wall (F) which delimits the washing chamber (C). The assembly (1) further comprises a reservoir (3) for liquid detergent which may be removably coupled to the body (2a) of the device for dispensing washing agents (2), and which may be positioned on the side of the device for dispensing washing agents (2) intended to face the washing chamber (C). The reservoir has a holding chamber (3d) for liquid detergent able to communicate with the outside of the reservoir (3) through at least one outlet opening (12b) for dispensing liquid detergent and an actuator assembly (21, 22, 23, 24) to control the dispensing of liquid detergent from the reservoir (3).
A washing agent dispenser for a dishwasher, including a casing defining at least a receptacle adapted to receive an amount of washing agent; a cover displaceable relative to the casing between an opening position and a closing position of the receptacle; the cover carrying an elastic gasket, adapted to sealingly close said receptacle in the closing position of the cover; and a retaining mechanism having a retaining member movable in the casing, and a hooking member movable in the cover and adapted to cooperate with the retaining member. When the cover closes the receptacle the hooking member is kept, by an associated resilient member carried by the cover, in a condition of engagement with the retaining member, maintaining the cover in the closing position. The resilient member associated with the hooking member comprises an appendage integrally formed with and extending from the elastic sealing gasket and interposed between the cover and the hooking member.
The knob (10) comprises: a support structure (12) defining a chamber (15) containing a magnetorheological fluid; a holding element (11) which is supported in a guided manner by said support structure (12) and is configured to be rotated and pressed by said user; a movable portion (13) which is supported, in its rotation, by the support structure (12) and is configured to be controlled, in its rotation, by the holding element (11); a switching member (26) which is movable from a rest arrangement to a work arrangement when said holding element (11) is pressed by the user; a sensor (23) which is configured to detect the angular position assumed by the movable portion (13); a haptic feedback assembly (14) which is located in the chamber (15) and is configured to act upon the movable portion (13) so as to provide a haptic stimulation in response to the action of the user; a generating apparatus (16) which is configured to emit a magnetic field, whose intensity is capable of affecting the viscosity of the fluid in such a way that said assembly (14) exerts a force upon the movable portion (13); and a control device (21) which is configured to determine the intensity of said magnetic field depending on predetermined or programmable criteria which are based on at least one between the angular position and the arrangement.
G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum positionProviding feel, e.g. means for creating a counterforce
G05G 1/08 - Controlling members for hand-actuation by rotary movement, e.g. hand wheels
29.
System for controlling a plurality of apparatuses of a household appliance
A control system includes a motor, first and second movable members, which can be rotated by the motor and which are adapted to interact with a first and a second controlled apparatus, respectively, and a transmission mechanism configured for controlling the movable members. The motor is bidirectional and is configured for selectively rotating, through the transmission mechanism, the first and second movable members, respectively, when the motor turns in a first direction and a second direction of rotation, respectively, opposite to each other. The transmission mechanism includes a first and a second unidirectional clutch selectively cooperating with the motor.
The method comprises the operating step of actuating a pump at a constant nominal flow-rate in order to induce a flow of liquid out of a vessel (12) through an outlet duct (14). Said outlet duct (14) communicates with the vessel (12) with an upper aperture (22a), situated at a height that defines an intermediate level (12), and a lower aperture (22b), situated at a height that defines a reduced level (13). The method provides for detecting the flow of liquid in a detection section (16) of the outlet duct (14). A digital signal (S) is supplied, which assumes an alternate sequence of states when the level of the liquid is between the intermediate level (12) and the reduced level (13). Each one of such states is either an air-indicating state (s0) or, respectively, a liquid- indicating state (s1) each time, in the detection section (16), the presence or, respectively, the absence of air bubbles is detected in the flow of liquid. The method provides for comparing the digital signal (S) with a reference signal (S') having a predetermined sequence of air-indicating states and liquid-indicating states; and modifying the duration of actuation of the pump as a function of a difference existing in the comparison between the digital signal (S) and the reference signal (S'). In addition to the method, an apparatus (10) is also provided for controlling the supply of a level of liquid contained in a vessel (12).
G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01F 23/00 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
G01F 15/075 - Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
Electric valve device (1) comprising a hollow body (2), in which between at least one inlet passage (5A, 5B) and one outlet passage (6) a path is defined for a flow of a fluid, in particular a liquid, and in which the communication between the at least one inlet passage (5 A, 5B) and the outlet passage (6) is controllable by means of an electrically controlled actuator (7 A, 7B), carried by the body (2). The electric valve device (1) is furthermore provided with an indicator device (13) containing information indicative of the values assumed by at least one predetermined parameter adapted to allow in use an accurate determination of the flow rate through the electric valve device (1).
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
32.
ELECTRIC VALVE DEVICE, PARTICULARLY FOR HOUSEHOLD ELECTRICAL APPLIANCES
The electric valve device (1) comprises a hollow body (2) with an inlet (4, 5) and an outlet (5, 4) for a flow of a liquid, between which in the body (2) there is defined a chamber (6) wherein a first valve seat (7) is provided, a (first) obturator (17) moveably mounted in the chamber (6) and cooperating with the first seat (7) for controlling the communication between the inlet (4, 5) and the outlet (5, 4), and a movable member (12) coupled with the obturator (17) and displaceable towards and away from the first valve seat (7) and controlled by means of an electrically operable actuator (10) carried by said body (2). In the body (2) a second valve seat (8) is staggered with respect to the first valve seat (7) along the direction of displacement of the first obturator (7), to which is connected a second obturator (18) displaceable from and towards the second valve seat (8). The arrangement is such that the obturators (17, 18) are jointly displaceable away from and towards the corresponding seats (7, 8), with which they define a first and respectively, second valve, fluidically in series with one another, and both controllable through said electrically operable actuator.
Assembly (10) comprising a transducer (20) and an anti-flood device (13), whereby said transducer (20) is configured to receive, as an input, a pressure signal (Sp) taken by a liquid held in a main container (11) and comprises circuit means (21), for providing, as an output, an electric control signal (Sc) having a variable parameter representing the pressure signal (Sp), the anti-flood device (13) comprises a receptacle (16), a float (14) and a sensor (18), whereby the receptacle (16) is arranged to receive and hold a part of liquid coming from said secondary container (12), the float (14) is movably mounted in the receptacle (16) and is designed to move up to a height representing the level reached by said part of liquid, and the sensor (18) is configured to detect the height reached by the float (14) and to transmit an electric level-indicating signal (Sl) to the circuit means (21), said circuit means (21) are designed to apply, to said variable parameter, a correction which is determined as a function of the level-indicating signal (Sl) according to predetermined criteria.
The device (1) for measuring the flow rate comprises an impeller (10) to be rotatably mounted in said conduit (C), around an axis (X-X) and having a plurality of radial vanes (13) to be hit by a flow of said fluid for making the impeller (10) rotate with an angular speed which is a function of the flow rate of said fluid, and a detector (16, 17) associated with the impeller (10) to provide signals indicating the angular speed thereof. Upstream of the impeller (10) a diffuser (20) is provided defining a plurality of passages (21, 22) for dividing said flow into a plurality of reduced flows and directing said reduced flows toward the vanes (13) of the impeller (10), such as to make the latter rotate in a predetermined direction. The impeller (10) has a first axial portion (10a) close to the diffuser (20) and provided with blades (13), which are flat and lie in radial planes relative to the axis (X-X), and a second axial portion ( 10b) away from the diffuser (20) and provides a greater radial dimension than the first axial portion (10a), and to which the detector (16, 17) is associated. The diffuser (20) forms peripheral passages which extend in planes parallel to said axis (X-X) and inclined in a same direction about said axis (X-X); each passage (21, 22) having a longitudinal inlet portion (21), parallel to said axis (X-X) and a transverse outlet portion (22) laterally facing said first axial portion (10a) of the impeller (10) such that in operation, the outlet portions (22) of said passages (21, 22) direct towards the vanes (13) of the impeller (10) corresponding flows or jets of fluid in non-radial directions inclined in a same direction around said axis (X-X).
G01F 1/075 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
35.
METHOD FOR DETERMINING AT LEAST ONE VARIABLE OPERATIONAL CHARACTERISTIC OF A HYDRAULIC SYSTEM
The method of the application allows the determination of at least one variable operational characteristic (Q acc; Vol, Ps) of a hydraulic system (HS) which comprises a hydraulic fluid source (1) a utilizing apparatus (2) connected to the source (1) through a conduit (3), and a flow-rate measuring device (6), positioned after the source (1) for providing a signal indicative of the flow-rate of the liquid. The method is characterized in that it comprises the operations of providing in the hydraulic system (HS) an indicator device (13) containing information indicative of the values taken by a predetermined parameter (k) of the flow-rate measuring device (6) as a function of the flow rate (Q) of the fluid; providing an acquisition means (14) adapted to acquire the information from the indicator device (13); and predisposing an electronic processing means (15) to calculate in a predetermined manner at least one operational characteristic (Q acc; Vol; P s) of the hydraulic system (HS), as a function of the flow-rate measuring device (6) and of the information acquired by the indicator device (13).
G01F 1/115 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission with magnetic or electromagnetic coupling to the indicating device
G01F 1/12 - Adjusting, correcting, or compensating means therefor
Valve assembly (2) comprising a valve body (3), in turn comprising: at least one inlet duct (31); at least one outlet duct (32) and at least one intermediate portion (33); at least one electrovalve (4) located proximal to said at least one intermediate portion (33); at least one measurement device (5), directly connected to the valve body ( 3 ). Said at least one measurement device (5) comprises at least one sensor (50) for taking a measurement for determining a physical characteristic of the fluid that can flow in said valve assembly. Said at least one electrovalve (4) comprises a first electronic circuit (42) for conducting an electric control signal from a control unit (G) to the electrovalve (4). Said at least one measurement device (5) comprises a second electronic circuit (52) for conducting the electric signals exchanged between said control unit (G) and said at least one sensor (50). Said first electronic circuit (42) and said second electronic circuit (52) are implemented on a single header or printed circuit board (6). Said at least one electrovalve (4) and said at least one measurement device (5) are mechanically connected directly to said single header or printed circuit board (6).
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
37.
ELECTRIC HOUSEHOLD APPLIANCE, IN PARTICULAR A WASHING MACHINE
Washing machine (1) including a support structure (S) which is stationary in operation, a movable member (C) provided in the support structure (S), a reversible electrical machine (3) adapted to operate as a motor for moving said movable member (C) and as a generator when it is driven in rotation by said movable member (C) in the absence of an electric power supply, and at least one auxiliary electrical device (4, 5) other than a door-lock device, the arrangement being configured such that in case of malfunction or of an absence of electric power supply while the movable member (C) is moving, the at least one auxiliary electrical device (4, 5) is supplied by the electrical machine (3) until the kinetic energy of the movable member (C) becomes lower than a predetermined threshold.
D06F 37/22 - Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casingPreventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
38.
SYSTEM TO CONTROL THE CLOSING OF A DOOR OF A HOUSEHOLD APPLIANCE, IN PARTICULAR FOR A WASHING MACHINE, SUCH AS A DISHWASHER
The system (10; 110) is designed to control the closing of a door of a casing of a household appliance. The system (10; 110) comprises: an engagement element (11), which, in turn, comprises a support body (12), which is intended to be fitted on the casing (C); a striker (14), for being coupled, in a releasable manner, to a retaining element (16), and is mounted so as to move, relative to the support body (12), between a retracted position and an extracted position; a moving means (20) comprising a bidirectional motor (22) and a transmission mechanism (24), operated by the motor (22) and cooperates with the striker (14). The motor (22) is designed to selectively deliver to the transmission mechanism (24) a pre-opening torque, which is oriented in a direction of rotation (R1) that allows the striker (14) to be brought from the retracted position to the extracted position, and, respectively, a return torque, which is oriented in an opposite direction of rotation that allows the striker (14) to be brought from the extracted position to the retracted position.
Control system comprising a motor (106), first and second movable members (110a, 110b), which can be rotated by said motor (106) and which are adapted to interact with a first and a second controlled apparatus (108a, 108b), respectively, and a transmission mechanism (112) configured for controlling said movable members (110a, 110b); whereby the motor (106) is of the bidirectional type and is configured for selectively rotating, through said transmission mechanism (112), said first and second movable members (110a, 110b), respectively, when said motor (106) turns in a first and a second direction of rotation, respectively, opposite to each other; said transmission mechanism (112) comprising a first and a second unidirectional clutch (114a, 114b) selectively cooperating with said motor (106).
A structure has a drawer defining at least one chamber receiving a washing agent and is mounted to move in a shell between an extracted position, in which the chamber is accessible from the outside for receiving a washing agent, and a retracted position, in which the chamber is closed by the shell and suited to dispense the washing agent. A passage communicates with the chamber and outside. A pumping member is suited to push a quantity of washing agent from the chamber towards the passage. An actuator operates the pumping member and is fixed on the shell separate from the drawer. The pumping member is able to assume an active condition, coupled to the actuator and to the passage, when the drawer is retracted. The pumping member is able to assume an inactive condition, uncoupled from the actuator or from the passage, when the drawer is extracted.
The device (10) comprises a hollow body (12) having: an inlet (14), which is able to receive a fluid flow; a plurality of outlets (16), which are able to expel the fluid flow; a plurality of valve seats (18), which are arranged crosswise in the body (12) and are in fluid communication with the outlets (16); and a shutter (20), which is mounted so as to rotate in the body (12) among a plurality of positions in which it is able to open and close the seats (18). The shutter (20) is substantially cup-shaped and has a lateral wall (24), which peripherally extends from the bottom wall (22), delimiting a central cavity (26), and ending in a top edge (28) that is axially open. The central cavity (26) is in fluid communication with the inlet (14) through the top edge (28) and the lateral wall (24) transversely obstructs the valve seats (18), having a transverse opening (30), which is able to establish a fluid communication between the central cavity (26) and a seat (18), when the opening (30) faces the seat (18).
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
42.
Valve device for controlling a fluid flow, in particular for controlling the cold air flow in a household appliance, such as a refrigerator
A device (10; 110; 210; 310) includes a support structure (12), on which there are mounted a plug (16), which is adapted to assume a plurality of operating positions including an opening position and a closing position, in which the plug is adapted to at least partially free and respectively obstruct a passage (14), which is meant for a fluid flow. A mechanism (18) is suited to move and hold the plug (16) between said operating positions. An opening actuator (20) and a closing actuator (22) are suited to separately act upon the mechanism (18), so that the mechanism (18) moves and holds the plug (16) between said operating positions, namely towards said opening position and towards said closing position, respectively, due to electric current supplied to the opening actuator (20) and to the closing actuator respectively.
F25D 17/04 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/10 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet with additional mechanism between armature and closure member
F16K 31/56 - Mechanical actuating means without stable intermediate position, e.g. with snap action
43.
HEAT EXCHANGER, IN PARTICULAR FOR A CONDENSATION BOILER
The heat exchanger (1) comprises a helical flow conduit (8) for a liquid, made with a pipe (9) of extruded thermally conductive material, provided with a pair of facing and mutually parallel fins (13), which extend from a portion of the outer surface thereof. This pipe (9) is helically wound about a longitudinal axis (A- A) such as to form a sequence of adjacent turns (10) separated by interspaces (11) through which, during use, hot gases, in particular combustion fumes, flow. The fins (13) extend helically, towards the outside relative to the axis (A-A) of the helical conduit (8), and have respective pluralities of through-openings (20, 21) which interconnect the region (16) comprised between them and the interspaces (11, 14) defined with respect to the adjacent turns (10). Flow paths are thus defined through these fins (13), outside the helical conduit (9), for the hot gases which during use pass through the interspaces (11, 14) between the turns of the helical conduit (8).
F24H 1/43 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28F 1/16 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
44.
DRAWER STRUCTURE FOR DISPENSING METERED AMOUNTS OF AT LEAST ONE WASHING AGENT IN A WASHING MACHINE, IN PARTICULAR A LAUNDRY WASHING MACHINE
The structure has: a drawer (14), which defines at least one chamber (16a, 16b) suited to receive a washing agent and is mounted so as to move in a shell (12) between an extracted position, in which the chamber (16a, 16b) can be accessed from the outside and is ready to receive a washing agent, and a retracted position, in which the chamber (16a, 16b) is closed by the shell (12) and suited to dispense the washing agent; a passage (17a, 17b), which communicates with the chamber (16a, 16b) and with the outside; a pumping member (18a, 18b), which is suited to push a quantity of washing agent from the chamber (16a, 16b) towards the passage (17a, 17b); an actuator or motor (20; 20a, 20b), which is suited to operate the pumping member (18a, 18b), is fixed on the shell (12) and is separate from the drawer (14). The pumping member (18a, 18b) is able to assume an active condition, in which it is coupled to the actuator or motor (20; 20a, 20b) and to the passage (17a, 17b), when the drawer (14) is in the retracted position. The pumping member (18a, 18b) is also able to assume an inactive condition, in it is uncoupled from the actuator or motor (20; 20a, 20b) or from the passage (17a, 17b), when the drawer (14) is in the extracted position.
The assembly (10) comprises: a body (12) defining a duct (14) able to be passed through by a fluid flow; a piloted valve (16) defined in said duct (14) and capable of assuming a first configuration and a second configuration, wherein the piloted valve (16) is able to control the fluid flow in accordance with predetermined criteria; a pilot circuit (18) able to be run through by a portion of the fluid flowing in the duct (14); a pilot valve (20) capable of assuming a first condition and a second condition, wherein it controls the fluidic communication between the pilot circuit (18) and the duct (14), by switching the piloted valve (16) into the first configuration and, respectively into the second configuration; and an actuation member (22) associated with the pilot circuit (18), which is temperature-sensitive and is adapted to act upon the pilot valve (20) to switch it from the first condition to the second condition when the temperature of the fluid portion flowing in the pilot circuit (18) is above or below a predetermined threshold value.
F16K 31/385 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a diaphragm
A dishwasher door closing device (10; 110) includes an engagement element (11; 111), fitted on the casing (C) of the household appliance (W) releasably held by a retaining element (16) on the door (D). The engagement element (11; 111) includes a support body (12), a catch (14) releasably coupled to the retaining element (16) moving between a refracted position coupled to the retaining element (16) and the door (D) is closed, and an extracted position coupled to the retaining element (16) and the door (D) is in a pre-opening condition. A stop mechanism (18) tends to move from a release condition, in which it (18) frees the catch (14) to move from the retracted position to the extracted position, to a locking position and (18) holds the catch (14). An electrically-operated actuator system (20) controls passage of the stop mechanism (18) from the locking position to the release position.
E06B 3/38 - Arrangements of wings characterised by the manner of movementArrangements of movable wings in openingsFeatures of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening
a tubular fastening member (6) in which the tube (2) can be pre-inserted axially and which has a plurality of external peripheral coupling elements (15) angularly spaced around its axis (A-A) and each able to engage with a corresponding retaining lug (4) of the interface formation (3), in a mutually axially retaining relationship. The fastening member (6), with the tube (2) pre-inserted therein, is able to be inserted into the interface formation (3) in a relative coupling position in which the coupling elements (15) of the fastening member (6) angularly alternate with the retaining lugs (4, 5) of the interface formation (3); the fastening member (6) can then be rotated in a predetermined direction (B), around the tube (2) and with respect to the interface formation (3), from the coupling position into a relative locking position, such as to achieve the engagement of each of its coupling elements (15) with a corresponding retaining lug (4, 5) of the interface formation (3).
F16L 37/256 - Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action the coupling not being coaxial with the pipe
F16L 37/113 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
49.
VALVE DEVICE FOR CONTROLLING A FLUID FLOW, IN PARTICULAR FOR CONTROLLING THE COLD AIR FLOW IN A HOUSEHOLD APPLIANCE, SUCH AS A REFRIGERATOR
The device (10; 110; 210; 310) comprises a support structure (12), on which there are mounted a plug (16), which is adapted to assume a plurality of operating positions including an opening position and a closing position, in which the plug is adapted to at least partially free and respectively obstruct a passage (14), which is meant for a fluid flow to get through; a mechanism (18), which is suited to move and hold the plug (16) between said operating positions; an opening actuator (20) and a closing actuator (22), which are suited to separately act upon the mechanism (18), so that the mechanism (18) moves and holds the plug (16) between said operating positions, namely towards said opening position and towards said closing position, respectively, due to an electric current which is supplied to the opening actuator (20) and to the closing actuator respectively.
F25D 17/04 - Arrangements for circulating cooling fluidsArrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection
b) of the hub (3) there is mounted a flexible, ring-shaped, regulating member (8) facing and spaced from the tops of said projections (7) and capable during use of resiliently flexing towards them as a result of and depending on the difference in pressure between the upstream and downstream regions. The ring (4) is further provided with a plurality of restricted holes (10) having a fluid flow parallel to the at least one passage (6). These restricted holes (10) are formed essentially in the same radial portion (C) of the ring (4) in which the projections (7) are provided such that the holes (10) are circumferentially and radially comprised each between a pair of projections (7).
An electric valve device including a hollow body with an inlet and an outlet for a flow of fluid, in particular a liquid, between which, inside said body, there is defined a chamber in which there is provided a valve seat intended to cooperate with an associated closing member for controlling communication between the inlet and the outlet; and a tubular guiding formation which is nominally coaxial with the valve seat and inside which there is mounted, axially displaceably to and from the seat, a core which carries the closing member and the position of which with respect to the seat can be electromagnetically controlled by means of a winding or solenoid arranged around said tubular formation. The hollow body and the tubular guiding formation are made as a single piece of moulded plastic.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 11/22 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
52.
ACTUATING DEVICE FOR THE HYDRAULIC DISTRIBUTOR OF A WASHING MACHINE
Actuating device (10) for a laundry washing machine (M) comprising a casing (12), driving means (14), which are contained in the casing (12), a control mechanism (16), which is actuated by means of said driving means (14), so as to assume a plurality of arrangements, in which it is able to bring a shutter (N) of a hydraulic distributor (D) to different operating conditions, a rotatory element (18), which, during its rotation, is supported by the casing (12) and is actuated by said driving means (14); the angular position of said rotatory element (18) indicating the arrangement assumed by the driving means (14); the actuating device (10) further comprises sensor means (20), adapted to detect the angular position assumed by said rotatory element (18), and the casing (12) has a through opening (22), through which said control mechanism (16) is connected to said rotatory element (18).
The assembly (1) comprises an integrated device (2) for dispensing washing agents, comprising a body (2a) intended to be mounted in an opening (G) of a sheet-like wall (F) which delimits the washing chamber (C) of a dishwashing machine (WD) and which has a peripheral formation (2b) which protrudes towards the outside and is intended to abut against the surface of this wall (F) surrounding the opening (G), on the side of this wall (F) which faces the washing chamber (C); and an ozone-generating device (3), with a housing (3a) which has an outlet opening (39) and contains an electric ozone-flow generator (34, 36) suitable for emitting a flow of ozone towards said outlet opening (39), so as to introduce it into the washing chamber (C) of the machine (WD). In the body (A) of the washing-agent dispensing device (2) there is defined an outlet chamber (13) able to communicate, in the condition of use, with the washing chamber (C) and having an inlet passage (45) accessible from the outside. The housing (3a) of the ozone-generating device (3) can be coupled to the body (2a) of the washing-agent dispensing device (2) so as to be supported by this body (2a), with respect to which it can assume a working position in which the outlet opening (39) thereof is sealingly coupled with the inlet passage (45) of the outlet chamber (13) so as to allow the supply of a flow of ozone towards the latter (13); in this working position the housing (3a) of the ozone-generating device (3) extending with an orientation such that in the condition of use it extends behind said sheet-like wall (F) of the washing chamber.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Safety locking devices, Lifesaving, Protective equipment and signaling. Apparatus for lighting, heating, refrigerating, ventilating, water supply and sanitary purposes; Shut-off valves, namely safety devices for water apparatus, electrovalves, thermostatic valves, in particular for electric household appliances. Flexible pipes, not of metal.
55.
DEVICE FOR CLOSING THE DOOR OF A HOUSEHOLD APPLIANCE, IN PARTICULAR FOR A WASHING MACHINE, SUCH AS A DISHWASHER
Device (10; 110) for closing a door (D) of a houshold appliance (W), in particular a dishwasher, said device (10; 110) comprising an engagement element (11; 111), which is fitted on the casing (C) of the household appliance (W) and is adapted to be held in a releasable manner by a retaining element (16), which is fitted on the door (D) of the household appliance (W). The engagement element (11; 111) comprising: a support body (12), which is fitted on the casing (C); a catch (14), which is adapted to be coupled in a releasable manner to the retaining element (16), and is mounted so as to move, with respect to the support body (12), between a retracted position, in which the catch (14) is coupled to the retaining element (16) and the door (D) is in a complete closing condition and an extracted position, in which the catch (14) is coupled to the retaining element (16) and the door (D) is in a pre-opening condition, so as to establish a fluid communication between the inner chamber (WT) and the outside; a stop mechanism (18), which is tending to move from a release condition, in which it (18) is adapted to set the catch (14) free, thus allowing it to move from the retracted position to the extracted position, to a locking position, in which it (18) is able to hold the catch (14) in the retracted position; and an electrically-operated actuator system (20), which is adapted to control the passage of said stop mechanism (18) from the locking position to the release position, when it is excited by a passage of electric current.
The washing machine (M) comprises a support casing (E) in which at least one washing chamber (WC) is defined; a feeding device (EP) arranged for supplying a pressurized washing liquid; a user hydraulic circuit (SP1, SP2) arranged for delivering an amount of said liquid into the washing chamber (WC); a storage reservoir (R) arranged for containing an amount of said liquid; and a distribution valve assembly (1). The distribution valve assembly (1) comprises: a valve body (2-4) having an inlet (6), which is hydraulically connected to said feeding device (EP), at least one delivery outlet (12, 13), which is hydraulically connected to said user hydraulic circuit (SP1, SP2 ), and a storage outlet (11), which is hydraulically connected to the storage reservoir (R) through the storage hydraulic circuit (SP3); a valve system (14, 24) arranged for at least partially allowing and interrupting the liquid communication among the inlet (6), the delivery outlet (12, 13), and the storage outlet (11); and an actuating device (20, 31) arranged for controlling said valve system (14, 24).
The solenoid-valve device (16) comprises: a valve body (18) including a cavity (27) that defines a, path for a fluid flow, an inlet (28) getting into the cavity (27), an outlet (30) getting out of the cavity (27), and a valve seat (32) defined in said cavity (27) between the inlet (28) and the outlet (30); a shutter (34) movable in the cavity (27) and adapted to cooperate with the valve seat (32); an electrically controlled actuator (20) comprising a movable member (36) which can be controllably moved in the valve body (18) and which cooperates with the shutter (34) to clear or shut the valve seat (32); and a protection system (40) which is arranged in the valve body (18) between the movable member (36) and the shutter (34), and which covers that portion of the movable member (36) which faces the cavity (27).
The component (10) comprises a hollow body (12) having: an inlet (14, 14a, 14b), which is adapted to be connected to a source of pressurized liquid, for example the water supply network (WS); an outlet (16), adapted to deliver said liquid to a washing chamber (WC) defined by said washing tub (WT); a path (18) for the liquid, which is defined in the hollow body (12) between the inlet (14, 14a, 14b) and the outlet (16) and includes anti-return means (26, 26a) for said liquid under pressure; a passage (28), adapted to receive, at its inlet, vapor coming from the washing chamber (WC) and to discharge the vapor into the environment outside of the washing tub (WT); and a valve device (30) comprising a plug element (32), adapted to at least partially free and obstruct said passage (28).
The safety device comprises a casing (2, 3), in which there are defined: an inlet (21) for a fluid, which is associated with a non-return valve (4), an outlet (22) for said fluid, and a safety outlet (31) for said fluid, which is associated with a safety valve (5, 5'), which is adapted to open and allow said fluid to flow out through said safety outlet (31), when the pressure of the fluid flowing in through said inlet (21) exceeds a predetermined threshold value. The casing comprises a first element (2) and a second element (3), which are coupled to each other by means of a quick coupling device (26, 33; 6, 27, 34).
F16K 11/10 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
60.
DOOR LOCKING DEVICE FOR A HOUSEHOLD APPLIANCE, IN PARTICULAR FOR A WASHING MACHINE, SUCH AS A DISHWASHER
The door locking device (10) comprises an engaging element (11), which is intended to be mounted on one between the casing (C) and the door (D) of a household appliance (W); and a retaining element (16), which is provided with a support structure (12), which is intended to be mounted on the other one between the door (D) and the casing (C), and with a hooking mechanism (14), which is adapted to releasably hold the engaging element (11) so as to constrain the door (D) to the casing (C). The hooking mechanism (14) is mounted in a tilting manner with respect to the support structure (12) and tends to assume a stable opening or closing configuration, in which the hooking mechanism (14) is respectively uncoupled from and coupled to the engaging element (11) in a respectively open and closed configuration of the door (D). The retaining element comprises, furthermore: elastic means (18), which tend to hold the hooking mechanism (14) in the opening and closing configuration; and an electrically activated stop system (20), which is able to assume a unblocking and a blocking condition, in which it respectively releases and holds the hooking mechanism (14) in the stable closing configuration, thus respectively allowing and preventing the hooking mechanism (14) from returning to the open configuration.
The pilot valve (14) comprises a body (7, 7a) in which there is defined a control chamber (1 1) which is intended to communicate with the inlet (3) of the hydraulic valve (1) and which, through a restricted outlet passage (12) associated with a valve seat (13), is able to be selectively brought into communication with the outlet (4) of the hydraulic valve (1); at least one core (23) mounted movably within a portion (7a) of said body (7, 7a) and inside the control chamber (1 1) and carrying a closing member (24) cooperating with the valve seat (13); and an actuator (16-21) including a solenoid or coil (15) of copper wire, mounted around said portion (7a) of the body (7, 7a), for selectively controlling the position of the core (23) and the closing member (24) with respect to the valve seat (13) and the communication between the control chamber (1 1) and the restricted outlet passage (12); and wherein the ratio of the diameter (d) of the restricted outlet passage (12) to the weight (m) of the solenoid (16) is between 0.06 and 0.10 mm/g.
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
62.
ELECTRICALLY CONTROLLED VALVE DEVICE FOR HOUSEHOLD EQUIPMENTS
The device (10) comprises a hollow body (12) adapted to be passed through by a flow of fluid and having an inlet section (12a) and at least one outlet section (12b) intended to receive and, respectively, dispense the flow of fluid; a joining element (14) arranged for being connected to a fluid source, and connected at the inlet section (12a); a support bracket (16) assembled to the inlet section (12a) so as to hold the joining element (14) connected to the hollow body (12), and intended to be fastened to an external load-bearing structure; one electrically controlled valve (18) arranged in the hollow body (12) between the inlet section (12a) and the outlet section (12b), and configured for selectively controlling the exit of the flow of fluid. The device (10) further comprises a locking member (20) arranged astride the bracket (16) and the inlet section (12a), and tending to elastically tighten against the support bracket (16) and the inlet section (12a) from laterally opposite parts, so as to axially constrain the support bracket (16) and the inlet section (12a) one to the other.
The system (1) comprises: a tubular interface formation (3) fixed or able to be fixed to a receiving body (C) and having a plurality of shaped retaining lugs (4) angularly spaced around its axis (A- A) and protruding axially and radially towards the outside; a tubular fastening member (6) in which the tube (2) can be pre-inserted axially and which has a plurality of external peripheral coupling elements (15) angularly spaced around its axis (A- A) and each able to engage with a corresponding retaining lug (4) of the interface formation (3), in a mutually axially retaining relationship. The fastening member (6), with the tube (2) pre-inserted therein, is able to be inserted into the interface formation (3) in a relative coupling position in which the coupling elements (15) of the fastening member (6) angularly alternate with the retaining lugs (4, 5) of the interface formation (3); the fastening member (6) can then be rotated in a predetermined direction (B), around the tube (2) and with respect to the interface formation (3), from the coupling position into a relative locking position, such as to achieve the engagement of each of its coupling elements (15) with a corresponding retaining lug (4, 5) of the interface formation (3).
F16L 37/113 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part
The regulating device (1) comprises a body (2) including a hub (3) which has a first end (3a) connected to a surrounding ring (4), such as to define therebetween at least one passage (6) for the fluid, between the upstream and downstream regions, and the other or second end (3b) of which protrudes with respect to the ring (4). The ring (4) has, on a surface thereof, an annular distribution of projections (7). On the second end (3b) of the hub (3) there is mounted a flexible, ring-shaped, regulating member (8) facing and spaced from the tops of said projections (7) and capable during use of resiliently flexing towards them as a result of and depending on the difference in pressure between the upstream and downstream regions. The ring (4) is further provided with a plurality of restricted holes (10) having a fluid flow parallel to the at least one passage (6). These restricted holes (10) are formed essentially in the same radial portion (C) of the ring (4) in which the projections (7) are provided such that the holes (10) are circumferentially and radially comprised each between a pair of projections (7).
The device (1) comprises: a casing (2-4) in which there is clamped a diaphragm (5) which, together with a portion of the casing (2-4), defines at least one chamber (6, 7) having a variable volume; a winding (14); an interaction member (13), adapted to magnetically interact with the winding (14) as a consequence of a displacement of the diaphragm (5), in such a way that the inductance of the winding (14) varies as a function of the relative position of the interaction member (13) with respect to the winding (14), and a processing unit (17) coupled to the winding (14), in order to supply electric signals having a parameter which is variable as a function of the inductance of the winding (14) and thus as a function of the relative position of the interaction member (13). The processing unit (17) comprises memory means (22) adapted to store data representative of correction values which, when applied during operation to the instantaneous actual values of the parameter, allow corrected values of the parameter, corresponding to a predetermined transduction characteristic, to be obtained. The processing unit (17) is designed to correct the instantaneous actual values of the parameter in such a way that, at least when the actual values of the parameter are lower than a predetermined value, the processing unit (17) generates and emits corrected values of the parameter which are amplified by a predetermined factor.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 9/10 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in inductance
G01L 9/02 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers
D06F 37/20 - Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casingPreventing or damping vibrations
D06F 39/08 - Liquid supply or discharge arrangements
G01D 3/024 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for altering or correcting the transfer function for range changeArrangements for substituting one sensing member by another
The pumping unit (A) is intended for a boiler (B) comprising a primary heat exchanger (21) for heating a flow of water for use in a heating circuit (22, 24), a secondary heat exchanger (25) for transferring heat from a flow of water coming from the primary heat exchanger (21) to a flow of domestic water, and a by-pass conduit (31) for protecting the primary heat exchanger (21). The pumping unit (A) comprises a body (1) with an outlet (3) and a first inlet (2), for connection to the primary heat exchanger (21) and to a return pipe of the heating circuit (22, 24), respectively, and with a second inlet (4) intended to receive a flow of heating water from the secondary heat exchanger (25). A circulation pump (7) and a three-way solenoid valve (8), in series with one another, are provided between the outlet (3) and the first inlet (2) in the body (1), the valve being further connected to the second inlet (4). The by -pass conduit (31) is formed inside the body (1).
An electric valve device (1), comprising: a hollow body (6) with an inlet (22) and an outlet (4) for a flow of fluid, in particular a liquid, between which, inside said body (6), there is defined a chamber (7) in which there is provided a valve seat (8) intended to cooperate with an associated closing member (10) for controlling communication between the inlet (22) and the outlet (4); and a tubular guiding formation (5) which is nominally coaxial with the valve seat (8) and inside which there is mounted, axially displaceably to and from the seat (8), a core (9) which carries the closing member (10) and the position of which with respect to the seat (8) can be electromagnetically controlled by means of a winding or solenoid (24) arranged around said tubular formation (5). The hollow body (6) and the tubular guiding formation (5) are made as a single piece of moulded plastic.
The machine (M) comprises a support structure (S), inside which there is suspended a washing chamber or tub (T) wherein there is rotatably mounted a basket (B) for clothes and the like, and a pressure transducing device (1), which includes a support casing (2, 3) connected to the washing chamber or tub (T), and connected to a pipe or hose (P) which extends inside this chamber or tub (T), and with which there are associated electronic circuit means (17) predisposed for processing signals generated by the transducer (1) to provide an indication of the level of the washing bath (WB) in the chamber or tub (T). The machine (M) comprises further an electronic accelerometer (30) solid with the support casing (2, 3) of the pressure transducing device (1) and associated with said electronic circuit means (17), for generating electrical signals indicative of the amplitude of the vibrations of the washing chamber or tub (T).
The filter (1) comprises a body of moulded plastic material, including a central hollow portion (3) shaped like a cup, having an axis (A-A), and a peripheral plate-like portion (4), shaped as an annular flange, extending radially toward the outside around the open end of the central cup-shaped portion (3), and wherein in the lateral wall (3a) of the central cup-shaped portion (3) there is provided a plurality of through holes (6), essentially transverse with respect to the axis (A-A), and in the peripheral flange-like portion (4) there is provided a plurality of through holes (5) essentially parallel to the axis (A-A).
The device (1) comprises: a body (2; 3, 4) having an inlet (5) and an outlet (6) for the fluid, and a main valve seat (8) through which the fluid can flow from the inlet (5) to the outlet (6), a main shutter (12) movable with respect to the valve seat (8); a control chamber (13) delimited in part by the main shutter (12); at least one first and one second communication passage (17; 15, 16) between the inlet (5) and the control chamber (13) and between the control chamber (13) and the outlet (6), respectively; a fixed structure (10) which is arranged in the control chamber (13) and in which there is defined an auxiliary valve seat (14), which is coaxial with the main valve seat (8) and which communicates with said second passage (15, 16); and a solenoid control valve (20) including a control solenoid (21) arranged coaxially with the valve seats (8, 14), for controlling an auxiliary shutter (27) which is mounted movably in the control chamber (13) and which is intended to cooperate with the auxiliary valve seat (14) for controlling the communication between the control chamber (13) and the second passage (15, 16).
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
71.
A DEVICE FOR MEASURING THE FLOW RATE OF A FLUID, IN PARTICULAR A LIQUID
The device (1) for measuring the flow rate of a fluid in a conduit (2; 2A, 2B) comprises a bladed impeller (3; 3 A, 3B) mounted in the conduit (2; 2A, 2B) so as to be driven in rotation by the flow of the fluid, and to which at least one magnet (4; 4A, 4B) is fixed, and at least one magnetic field sensor (5; 5 A, 5B) arranged in a fixed position near the conduit (2; 2A, 2B) and capable of causing the generation of a signal (pulse) each time the magnet (4; 4A, 4B) of the impeller (3; 3 A, 3B), passes thereby. The arrangement is such that the number of signals (pulses) generated by the sensor (5; 5 A, 5B) in a period of time is representative, according to a predetermined relationship, of the flow rate (Q) of the fluid in the associated conduit (2; 2A, 2B). At least one magnetic field sensor (5; 5 A, 5B) is coupled to a processing and a control circuit (PCU) including a microprocessor (6) and associated memory means (7), predisposed for processing in predetermined manners the signals issued by said at least one sensor (5; 5 A, 5B) and providing a digital output signal having at least one feature which varies in a predetermined manner as a function of the flow rate (Q) of the fluid in the associated conduit (2; 2A, 2B).
G01F 1/115 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission with magnetic or electromagnetic coupling to the indicating device
G01F 1/12 - Adjusting, correcting, or compensating means therefor
G01F 1/075 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
G01F 1/08 - Adjusting, correcting, or compensating means therefor
72.
DISPENSER FOR DISPENSING A WASHING AGENT IN A WASHING MACHINE, PARTICULARLY A DISHWASHER
The dispenser (1) comprises a body (2) in which there is defined a tub-like receptacle (3), having a mouth (4) and capable of receiving an amount of washing agent; a covering assembly (5), which comprises first and second cover portions (5a, 5b) and which is movable with respect to the body (2), between * a closed position in which the first cover portion (5 a) covers the receptacle (4) and the second cover portion (5b) covers a portion of the body (2) adjacent to the receptacle (3), and * an open position in which the first cover portion (5 a) uncovers and opens the receptacle (3). The first cover portion (5 a) is articulated to the body (2) about a first axis (7) which is parallel to the mouth (4) of the receptacle (3), and can move in translation along guide means (6) provided in the body (2), and is connected to a crank member (5b) in an articulated manner about a second axis (9) parallel to the first axis. The crank member (5b) is in turn articulated to the body (2) about a third axis (10) which is parallel to the first and second axes (7, 9). The second cover portion (5) is articulated to the first cover portion (5a) about the second axis (9), and is articulated to the support body (2) about the third axis (10), and forms said crank member.
The device (1) comprises: - a body (2, 7) with an inlet (3) and an outlet (4) for the fluid, and with a main valve seat (6) through which the fluid can flow from the inlet (3) to the outlet (4), - a main plug (8, 9) associated with this main seat (6), - a control chamber (11) partially delimited by the main plug (8); - a first passage (8d, 9b, 9c) for communication between the inlet (3) and the control chamber (11); - a second passage (12, 13) for putting the control chamber (11) into communication with the outlet (4); and - a control solenoid valve (14) including a control solenoid (15) which controls a movable unit (17) comprising a first core (18) which can interact as a movable plug with the second passage (12, 13). The movable unit (17) comprises a second movable ferromagnetic core (21), adjacent to the first core (18). A spacer element (19) extends between the main plug (8, 9) and the second core (21). One or more springs (20, 22) push the second core (21) towards the main plug (8, 9). The second core (21) is permanently fixed to the main plug (8, 9) and, when the solenoid (15) is inactive, the first core (18) is kept in the closed position of the second passage (12, 13), and the second core (21) is in a predetermined position with respect to the first core (18) such that the cores (18, 21) are separated by a gap (24). The activation of the solenoid (15) causes an attraction of the first core (18) towards the second core (21) and the opening of the second passage (12, 13).
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
74.
SOLENOID VALVE ASSEMBLY FOR CONTROLLING THE FLOW OF FLUID, PARTICULARLY FOR WASHING MACHINES
The valve assembly (1) comprises a valve body (3-5) with an inlet port (6) and an outlet port (7) for the fluid, between which there is defined a main valve seat (9) intended to cooperate with an associated main obturator (10). The main obturator (10) defines together with the valve body (3-5), a variable volume control chamber (13) which is in permanent communication with the inlet port (6) through a first passage (11) having a reduced cross- section. The control chamber (13) is adapted to be brought into communication with the outlet port (7) through a second passage (24) having a larger cross-section. The valve assembly (1) also comprises a solenoid pilot valve (17) including a control coil (18) and a movable core (19) associated with an auxiliary obturator (21) which is adapted to open and close the second passage (24). In the valve body (3-5), between the second passage (24) and the outlet port (7), there is defined a second variable volume control chamber (22), which is delimited in part by the auxiliary obturator (21), and the movable core (19) associated with the auxiliary obturator (21) is mounted outside of the flow-path of the fluid, in particular outside of the second variable- volume control chamber (22).
F16K 31/40 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
Electronic pressure transducer device comprising a hollow rigid casing (1) having a first (8, 8a) and a second (10, 10a) opening for the introduction of fluids and in which a first (18') and a second (18") transducer chamber are defined, in which are mounted, respectively, a first element (24, 24b; 30') resiliency suspended in the casing (1) and movable with respect to the casing (1) due to a first fluid pressure introduced through the first opening (8, 8a), and a second element (30; 30") equally resiliency suspended in the casing (1) and movable with respect to the casing (1) due to a second fluid pressure introduced through the second opening (10, 10a); said first and second element being arranged to generate an inductance and the configuration being such that said inductance is variable as a function of the values of said pressures or of their difference.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
76.
ELONGATED HOLLOW MEMBER FOR A CONDENSATION HEAT EXCHANGER OF A GAS CONDENSATION BOILER FOR PRODUCING HOT WATER
An elongated hollow member (3) for a condensation heat exchanger (1) for a gas condensation boiler for producing hot water, wherein the water flows in the elongated hollow member (3) and combustion fumes flow about the elongated hollow member (3), is, at least partly, coiled in a helix about a first axis (A1) to form a succession of spaced apart turns (12) defining a gap (2) to be travelled by the combustion fumes, extends along a second axis (A2); and has a tube (16) extending along the second axis (A2), and, at least, two fins (17), which extend along the second axis (A2), protrude from the tube (16), and are so shaped so as to define there between a diverging gap portion (25) of gap (22) in a radial direction with respect to the first axis (A1).
F24H 1/43 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
77.
GAS BOILER, IN PARTICULAR CONDENSATION GAS BOILER FOR PRODUCING HOT WATER
A gas boiler, in particular a condensation gas boiler for producing hot water along a water circuit (C1l) has a gas combustion and premixing assembly (2) for producing thermal energy and combustion fumes; a heat exchanging assembly (3) having a casing (4) having an open end, and an elongated hollow member (5) wound, at least in part, in a helix (16) and defining a portion of the water circuit (C1) in said casing (4); a fume evacuation assembly (6) for evacuating the combustion fumes from the heat exchanging assembly (3); and a hydraulic assembly (7) for circulating the water in the water circuit (C1); wherein the casing (4) is clamped at the open end by the fume evacuation assembly (6) and the hydraulic assembly (7), which are so shaped so as to close the open end of the casing (4).
F24H 1/43 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
The solenoid valve assembly (1) comprises first and second shut-off solenoid valves (2; 3) for controlling the supply of hot water and cold water, and which have a body (2a; 3 a) with an inlet duct (2b; 3b) and at least one outlet port (2d; 3d, 3e), and with at least one control winding (2f; 3f, 3g) that extends from the body (2a; 3a) orthogonally to the respective inlet duct (2b; 3b) and is provided with electrical connection terminals (2h; 3h, 3i) which are parallel with one another. These solenoid valves (2, 3) are arranged with their respective bodies (2a; 3a) interconnected in a side-by-side arrangement, with the inlet ducts (2b; 3b) parallel with one another and with their respective windings (2f; 3f, 3g) also parallel with one another. The assembly (1) further comprises a connecting structure (12) with an electrically insulating plate-like body (13) carrying a plurality of electrical conductors (14) coupled to an electrical connector portion (15) integrally formed with the connecting structure (12). The terminals of the windings (2f; 3f, 3g) are connected to the conductors (14) of the connecting structure (12).
F16K 11/24 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
F16K 27/00 - Construction of housingsUse of materials therefor
79.
A SAFETY DISCHARGE VALVE ASSEMBLY FOR A FLUID CIRCUIT
A safety discharge valve assembly comprises a hollow body (2) in which there is defined a chamber (8) having an inlet opening (9) that is intended to be put into communication with said circuit, a discharge duct (10) with which a normally closed shut-off device (11) is associated, and a control device (15) which is associated with the shut-off device (11) and is arranged in the chamber (8). The control device (15) comprises a movable member (16) which can move from a restrained condition to a released condition in order to bring about the opening of the shut- off device (11), a resilient member (19; 59) which tends to cause the movable member (16) to move to the released condition; and a releasable and resettable retaining mechanism (20) which, in a first condition and in a second condition, is capable of restraining and of releasing said movable member (16), respectively. The retaining mechanism (20) comprises a resilient member (32) which is made of a shape memory material and is constructed and arranged in such a manner that, when the temperature of the fluid in the chamber (8) falls below a predetermined value, the retaining mechanism (20) moves from the first to the second condition, to allow the shut-off device (11) to open.
The device (10; 110) for detecting the level of a liquid (13) in a container (12; 112), comprises: - an optical structure (14; 114) facing at least partly the region inside the container (12; 112) in a position corresponding to a predefined level (TL) of the liquid (13) and having a main surface (14a; 114a), a first side surface (14b; 114b) and a second side surface (14c; 114c) which are inclined at about 45° with respect to the main surface (14a; 114a) and about 90° relative to each other; and - an emitter (16; 116) and a receiver (18; 118) facing the main surface (14a; 114a) of the optical structure (14; 114) and able to send a radiation beam (L) towards the first side surface (14b; 114b) and, respectively, receive a radiation beam (L) emitted by the emitter (18; 118) and reflected by the first and second side surfaces (14c; 114c), when the level of the liquid (13) inside the container (12; 112) is lower than the predefined level (TL). The optical structure (14; 114) extends mainly outside the container (12; 112) and faces the region inside the container (12; 112) only opposite the first side surface (14b; 114b).
The sensor apparatus (100) is intended to detect the level of a liquid, gel or powder substance contained in a receptacle (28) and comprises: an emitter (104) able to emit radiation (L); and a receiver (106) able to receive and convert into an electric signal radiation (L) which is emitted by the emitter (104) and the intensity of which is variable depending on the quantity or level of substance present in the receptacle (28). The emitter (104) is designed to emit visible radiation (L) and the apparatus (100) also comprises: a visible optical indicator (114); and an optical element (108) able to couple optically the emitter (104) to the optical indicator (114) so that, when the quantity or level of the substance in the receptacle (28) is lower than a predetermined threshold, a fraction (L2) of the radiation (L) generated by the emitter (104) is able to light up the optical indicator (114).
A device (1) for detecting the level of a liquid in a container, comprising a body (2) in which are formed a first and second chamber (14, 15) separated sealingly from each other by a resilient diaphragm (6). The first chamber (14) has an inlet opening (2c) intended to be put in pneumatic communication with the region of the container which is above the liquid; the second chamber (15) communicates with the atmosphere. A winding (8) is mounted in a fixed position in the body (2), on the side opposite the first chamber (14) with respect to the diaphragm (6). A core (11) is coupled to the diaphragm (6) and is movable with respect to the winding (8) such that in operation the inductance of the winding (8) varies as a function of the position of the core.
The dispensing device (1) comprises a support body (4) adapted to be mounted on the side of that door (3) of the machine which is facing the washing chamber (2), in a position such that in the operation this body (4) is periodically flushed, at least in part, by a flow of washing liquid emitted by at least one spraying rotor (SPl,...)• In the support body (4) there is incorporated an electrically conducting member (10) whose electric capacitance with respect to earth (E) is variable by the effect of the flow of washing liquid which periodically impinges onto the body (4); a detection and processing device (20) being connected to the conducting member (10) and being predisposed for detecting the variations of the electric capacitance of said conducting member (10) with respect to earth (E) and for correlating in a predetermined manner said variations with the operation of the spraying rotor (SPl,...)•
The switch unit (1) comprises a support structure (2) in which are mounted: a manually operated bistable electrical switch device (9), having an operating member (12) which extends outside the support structure (2) and which is movable manually with respect to it, and a movable reset member (13) which extends in this structure (2) and which, when actuated, can cause the switch device (9) to change to the open state; and an electrically operated control actuator device (14), associated with said reset member (13) and capable of activating this member when it receives an electrical operating signal.
H01H 13/62 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon manual release of a latch
86.
VALVE SYSTEM, IN PARTICULAR FOR CONTROLLING THE SUPPLY OF A FLUID FROM A SUPPLY SOURCE TO A USER APPARATUS
The valve system (10; 110) comprises: a housing (12; 112) including an inlet joint (24; 124) and an outlet joint (26; 126) intended to receive an incoming fluid flow and to discharge said fluid flow, respectively; and a middle section (30; 130) in fluid communication with the inlet joint (24; 124) and the outlet joint (26; 126), respectively; inlet and outlet valve devices (14; 114; 214; 314; 18; 118) arranged between the inlet joint (24; 124) and the middle section (30; 130) and between the middle section (30; 130) and the outlet joint (26; 126), respectively; and electromagnetic actuating devices (16; 116) designed to be passed through by an electric excitation current having an intensity (I) which can be modulated so that the actuating means (16; 116) arrange the inlet valve means (14; 114; 214; 314) in a modulated open condition, where said fluid flow rate (Φ) increases with an increase in the intensity (I) of said current. The electromagnetic actuating devices (16; 116) are designed to be activated by a current with an intensity (I) which can be modulated within a first and a second range of values where said actuating devices (16; 116) actuate the inlet valve devices (14; 114; 214; 314) in a first and second modulated open condition, respectively, where said fluid flow rate (Φ) is varied in accordance with a first and a second section of a characteristic curve (C1; C2), respectively, which increase with an increase in the intensity (I) of said current.
The device (1) comprises a housing (2) in which an electric motor (5) is secured, the shaft (6) of this motor being coupled to a rotary control member (11) having on one surface a cam profile (11c) cooperating with a coordinated profile (20d) of a controlled member (20) which may move in translation in the housing (2) such that when the motor (5) is actuated, the rotation of the rotary control member (11) is adapted to cause the controlled member (20) to move in translation into a first position remote from the control member (11) or to enable this controlled member (20) to move in translation into a second position close to the control member (11). The housing (2) further bears a first and a second electrical switch (31, 32) connected to the motor (5) and comprising respective fixed contacts (31b, 32b) and a single common moving contact member (33), made from an electrically conducting material, with which two integral feeler members (33a, 33b; 50, 51) are associated and cooperate directly with associated cam profiles of the rotary control member (11).
The electrically controlled valve (10) comprises * a support structure (12) having, defined internally, a chamber (16) which is able to be passed through by a fluid flow and which has an inlet (18) and a first outlet (20a; 20b); * an obturator (22) movable inside the chamber (16) between a first and second working position, in which it respectively closes off and clears the first outlet (20a; 20b); and * an electrically controlled operating assembly (26) associated with the obturator (22) and able to cause switching of the obturator (22) into the first and second working positions. The operating assembly (26) includes a toggle mechanism (32) which is able to assume two stable positions and is connected to the obturator (22) and which comprises: a rigid member (34) rotatable with respect to the support structure (12) and a resilient member (36) arranged between the rigid member (34) and the support structure (12). The resilient member (36) tends to retain the toggle mechanism (32) in a first or a second configuration corresponding, respectively, to the first and second working position of the obturator (22). The operating assembly (26) also includes first and second actuator members (52, 54) which are able to be activated by means of electric control, are kinematically linked to the rigid member (34) and are able to assume a first/second arrangement, when the first and second actuator members (52/54) are respectively activated/deactivated and deactivated/activated, so as to impart an oscillating movement to the rigid member (34) of the toggle mechanism (32), causing switching thereof into the second/first configuration respectively.
F16K 11/052 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
89.
DEVICE FOR DISPENSING A WASHING AGENT IN A WASHING MACHINE, PARTICULARLY A DISHWASHER
The device (1) comprises: a body (2) in which is formed a receptacle (3) having a mouth (4) and intended to receive a quantity of washing agent, a cover (5) connected to the body (2) and movable between a position in which the mouth (4) of the said receptacle (3) is closed and a position in which the mouth is open, and a return spring tending to move the cover (5) towards the open position. The cover (5) has a first portion (5a) hinged to the body (2) about a first axis (7) parallel to the mouth (4) of the receptacle (3) and translatable along guides (6) provided in the body (2), and a second portion (5b) connected to a crank element (8) by hinging about a second axis (9) parallel to the first axis (7). The crank element (8) is, in turn, hinged to the body (2) about a third, fixed axis (10) which is parallel to the first and second axes (7, 9).
09 - Scientific and electric apparatus and instruments
Goods & Services
Machines and machine tools; motors and engines (except for
land vehicles); machine coupling and transmission
components (except for land vehicles); agricultural
implements other than hand-operated; incubators for eggs,
valves, electric valves, temperature or pressure-actuated
control devices, also for electrical household appliances. Scientific, nautical, surveying, electric, photographic,
cinematographic, optical, weighing, measuring, signaling,
checking (supervision), emergency (life saving) and
teaching apparatus and instruments; apparatus for
recording, transmitting and reproducing sound or images;
magnetic recording media, sound recording disks; automatic
vending machines and mechanisms for coin-operated
apparatus; cash registers, calculating machines, data
processing and computer equipment; fire extinguishers,
circuit breakers, microswitches, controlling and monitoring
devices, also for electrical household appliances.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Machines and machine tools; motors and engines (except for
land vehicles); machine coupling and transmission components
(except for land vehicles); agricultural implements other
than hand-operated; egg incubators. Scientific, nautical, surveying, photographic,
cinematographic, optical, weighing, measuring, signalling,
checking (supervision), life saving and teaching apparatus
and instruments; apparatus and instruments for conducting,
switching, transforming, accumulating, regulating or
controlling electricity; apparatus for recording,
transmitting and reproducing sound or images; magnetic data
carriers, phonograph records; automatic vending machines and
mechanisms for coin-operated apparatus; cash registers,
calculating machines, data processing and computer
equipment; fire extinguishers; recorded computer programs. Apparatus for lighting, heating, steam generating, cooking,
refrigerating, drying, ventilating, water supply and
sanitary purposes.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
[ Servo-valves, pump control valves for machines, engines or motors, used solely for washing machines and dishwashers; pressure relief valves for use as parts of washing machines and dishwashers; Clothes washing machines and dishwashers and components thereof, namely, ] electromechanical and hybrid timers, solenoid valves, motorized pump control valves for alternating washing for dishwashers, [ water-distributor systems for washing machines comprised of water pumps and valves being parts of washing machines, electric push-button switches and ] automated detergent and rinse-aid dispensers sold as a unit with clothes washing and dishwashing machines Solenoid valves, [ automatic climate control systems consisting of digital thermostats, air conditioning, ] heating ventilation and drying control devices actuated by [ temperature or ] pressure, [ electric cell switches, electric switches, electric microswitches, automatic electrical humidity controllers, ] automatic electrical liquid level controllers [, automatic electrical liquid controllers, automatic calorie measuring instruments, automatic electrical combustion controllers, automatic electrical vacuum controllers, program electrical controllers for household appliances ] [ Apparatus for lighting, namely, lighting fixtures, steam heating apparatus for industrial and household purposes, steam generators, microwave ovens, cooking ovens for household purposes, refrigerators, freezers, electric clothes drying machines for household purposes, ventilating exhaust fans, Cooling fan systems for wall ovens, water purifying apparatus, water treatment conditioning units, namely, water softeners, air filters for domestic use, air conditioning units, air conditioner for vehicles, gas regulators, steam valves, ] water valves