Apparatus and installations for lighting, heating, cooling,
steam generating, cooking, drying, ventilating and water
supply and sanitary purposes; gas burners; oil burners; hot
gas generators; combustion chambers; combustion
installations; burners for liquid fuel; burners for gaseous
fuels; liquid and gas burners; regulating apparatus being
parts of oil burners; regulating apparatus being parts of
gas burners; valves (temperature sensitive controls for
automatically operating -) [parts of heating installations];
burner control apparatus; industrial ovens and furnaces (not
for food or beverages), burners [not being for food or
beverages]; burners for boilers; burners for heating
installations.
2.
NON-RETURN VALVE, IN PARTICULAR FOR A REFRIGERATION OR HEAT CIRCUIT
The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening of a connection device or of a pipe, wherein the non-return valve comprises a valve closing element (61) having a closing body (65), and, when the valve closing element (61) is in an initial position, a closing surface (108) of the closing body (65) abuts the valve seat and closes a passage opening, wherein the closing body (65) extends from the closing surface (108) in the opposite direction to the displacement movement into the working position of the closing body (65), and the closing body (65) has a convex contour (102) at the free front end (101), which contour is connected to the closing surface (108) by a concave contour (105).
Ball valve having a housing which comprises at least one inlet opening and at least one outlet opening, between which a regulating chamber is provided, having a valve which is arranged in the regulating chamber and comprises at least one spherical control surface with at least one passage that connects one inflow opening to an outflow opening of the valve, having a connection opening in the housing, which opens into the regulating chamber into which a connection housing can be inserted, wherein at least one seal is provided between the connection housing and the connection opening, and the connection housing comprises a shaft feedthrough having a shaft mounted therein by means of which the valve can be controlled, wherein the valve with the at least one spherical control opening is insertable through the connection opening into the regulating chamber.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 27/06 - Construction of housingsUse of materials therefor of taps or cocks
4.
CONTROL VALVE FOR A REFRIGERANT CIRCUIT OF A REFRIGERATION UNIT
The invention relates to a control valve for a refrigerant circuit of the refrigeration unit, with a housing which has at least one inlet opening and at least two outlet openings, between which a regulating chamber is provided, with a multiway valve arrangement which is arranged in the regulating chamber and comprises at least one main body and one valve body arrangement, wherein the valve body arrangement comprises at least one rotatable valve body and one valve body support, wherein the valve body has at least one flow region (42) on or in the valve body, and the valve body support is formed by way of at least two passage openings (38, 39), with a drive which drives the valve body by means of a shaft rotationally about a rotational axis (45) of the valve body arrangement, wherein the valve body has at least one incident flow depression (47, 48) which merges into the flow region (42), and the at least one incident flow depression of the at least one flow region is oriented so as to point towards the valve body support and, starting from the at least one flow region, extends in the direction of one of the passage openings of the valve body support.
F16K 11/074 - 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 sliding valves with pivoted closure members with flat sealing faces
The invention relates to a control valve, in particular an electrically controllable control valve, comprising: a housing in which a valve closing element is provided which closes a valve seat in a closed position and is raised from the valve seat in an operating position; a drive device (14) for controlling a stroke movement of the valve closing element, said drive device comprising a motor which has a stator and a rotor which can be rotationally driven by the stator, wherein the stator is provided fixed to the housing and the rotor is provided within a separating cap which is fixed to the housing; a spindle drive comprising a spindle nut and a spindle, wherein a stroke movement of the valve closing element can be controlled by the spindle drive, wherein a ball-spindle drive is provided between the rotor and the spindle drive, and the ball-spindle drive has at least one lower end stop for the closed position of the valve closing element and/or an upper end stop for a securing position of the rotor in order to limit the stroke movement of the valve closing element.
A valve with a housing has a connection point for insertion into a connection device and a valve seat associated with a passage opening, which valve seat can be closed by a valve closing member, and is transferable by a drive or a pressure of a medium to an operating position in which the valve closing member is lifted with respect to the valve, having a securing element, which holds the valve closing member in a filling position relative to the valve seat, in which position the valve closing member is lifted with respect to the valve seat and unblocks the passage opening, and the securing element can be transferred, following the first transfer of the valve closing member from the filling position to the operating position, to a disengaged position relative to the valve closing member and subsequently the valve closing member is transferable to the closed position.
The invention relates to a valve for controlling a coolant circuit of a refrigerating system, having a housing, which has at least one inlet opening and at least one outlet opening, having a regulating chamber provided in the housing, which extends between the at least one inlet opening and the at least one outlet opening, having a valve arrangement, which is insertable at least partially into the regulating chamber, having a rotary slide arrangement, arranged in the regulating chamber, which has a control disc, which is rotatable in relation to the at least one rotary slide support, the at least one rotary slide support is provided non-rotationally to the housing and the at least one rotary slide support is mounted floatingly to the housing.
F16K 11/074 - 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 sliding valves with pivoted closure members with flat sealing faces
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
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
F25B 41/26 - Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
8.
Multi-way valve for a control of a refrigerant circuit
A multi-way valve for controlling a refrigerant circuit of a refrigeration system with a heat pump function, having a housing which has two mutually opposite end faces which each comprise an insertion opening to which a regulating chamber is connected, having multi-way valve arrangements which can each be inserted in the regulating chamber, the multi-way valve arrangement comprising at least one base body and a rotary slide valve arrangement, with in each case one connection in the housing, which open into the respective regulating chamber, and with at least further connections in the housing, which open into at least one channel which extends between the regulating chambers.
F16K 11/074 - 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 sliding valves with pivoted closure members with flat sealing faces
F16K 27/04 - Construction of housingsUse of materials therefor of sliding 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
F16K 11/20 - 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
F25B 41/26 - Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
9.
Switching valve and valve arrangement with such a switching valve for controlling a mass flow
A switching valve and a valve arrangement for regulating a mass flow in a refrigeration or heating circuit, having a path-generating device which comprises a U-shaped yoke with an upper and lower leg which are aligned with one another and a coil which is positioned within the yoke and can be electrically controlled, a core fixedly positioned relative to the coil and having at least a portion projecting relative to the coil and positioned in an opening in the leg of the yoke, and a tappet provided in the coil and movable relative to the core and having an end extending through an opening in one of the legs of the yoke, with a closing body or valve closing member arranged on the tappet, and with a restoring element which is arranged between the core and the tappet, a switching bushing being provided which is insertable into the path-generating device, and which is closed on one side by a base and is open on the opposite end of the base and fastening section is assigned to the open end of the switching bushing has a core-tappet section with a cylindrical lateral surface extending between the base and the fastening section and in which at least the core is received and the tappet is guided and the fastening section opposite the base has at least one circumferential shoulder or circumferential collar directed outwardly relative with respect to the core-tapped-section.
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
F25B 41/20 - Disposition of valves, e.g. of on-off valves or flow control valves
10.
Valve arrangement and switching valve for regulating a mass flow
A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, comprising a valve housing, which comprises a feed opening and a discharge opening, comprising a valve piston, which comprises a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat comprises a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member comprises a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting surface of the valve-closing member and the stop surface of the valve seat but against one another in the closed position and form a travel limitation between the valve-closing member and the valve seat, and the sealing projection is at least partially pressed into the sealing element.
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
11.
Valve arrangement and switching valve for regulating a mass flow
A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, including a valve housing, which includes a feed opening and a discharge opening, including a valve piston, which includes a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat includes a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member includes a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting surface of the valve-closing member and the stop surface of the valve seat but against one another in the closed position and form a travel limitation between the valve-closing member and the valve seat, and the sealing projection is at least partially pressed into the sealing element.
F16K 1/20 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation arranged externally of valve member
F16K 5/14 - Special arrangements for separating the sealing faces or for pressing them together
12.
Non-return valve, in particular for a refrigeration or heat circuit
The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: —a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49); —a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63), and the energy accumulator (71) being provided between the valve closing element (75) and the main housing (44), the guide element (53) of the main housing (44) having at least one through-hole (57) and at least one guide rod (59) being guided in said at least one through-hole (57), which rod at least extends from the valve closing element (61) through the at least one through-hole (57) and is secured against release from the through-hole (57), or the guide element (53) being designed as a sleeve (54) having a bottom (55), which is associated with the discharge opening (51), and the valve closing element (61) having a guide portion (66) which acts on the sleeve (54).
The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be movable in the regulating space (24), lie on a common longitudinal axis (64), wherein the interface (16) between the valve housing (14) and the main housing (12) has axial play, by means of which the distance between the valve housing (14) and the main housing (12) is modifiable.
The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: - a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49); - a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63), and the energy accumulator (71) being provided between the valve closing element (75) and the main housing (44), the guide element (53) of the main housing (44) having at least one through-hole (57) and at least one guide rod (59) being guided in said at least one through-hole (57), which rod at least extends from the valve closing element (61) through the at least one through-hole (57) and is secured against release from the through-hole (57), or the guide element (53) being designed as a sleeve (54) having a bottom (55), which is associated with the discharge opening (51), and the valve closing element (61) having a guide portion (66) which acts on the sleeve (54).
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 7/10 - 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 arranged one within the other, e.g. concentrically
15.
Multiway valve for controlling a refrigerant circuit
A multiway valve for controlling a refrigerant circuit (12) of an air conditioning system with heat pump function has a housing (14), first inlet opening (21) connected by a first fluid channel (22) to a regulating chamber (19), a second connection opening (22) connected by a second fluid channel (26) to the regulating chamber (19), another connection opening (29, 33) connected by another fluid channel (30, 34) to the regulating chamber (19), an actuator (37) that actuates a transmission element (39) by a drive motor (38), which extends in the housing (14) between the drive motor (38) and the regulating chamber (19), and a rotary valve assembly (55) in the regulating chamber (19) and coupled to the transmission element (39) to be driven by a rotary motion, into consecutive and divergent switching or control positions between the inlet opening (21) and the connection openings (25, 29, 33).
F16K 11/074 - 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 sliding valves with pivoted closure members with flat sealing faces
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
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
16.
Shaft passage and valve having such a shaft passage and method for the production of a shaft passage
The invention relates to a shaft passage and a valve having such a shaft passage, as well as a method for producing a shaft passage, in which the shaft (21) has at least one drive portion (24) to which a drive for controlling the shaft (21) can be connected and has a connecting portion (25) opposite the drive portion (24), to which an actuating member (64) can be connected, and an inner shaft portion (26) in the through-bore (22) extending at least partially in the through bore (22), and having an inner shaft seal (36) to which an operating pressure of a medium to be controlled by the actuating member (64) is applied, and having a fluid shaft seal (34) which extends in the direction of the drive portion (24), and which is arranged between the inner shaft seal (34) and the outer shaft seal (42), wherein the fluid shaft seal (34) is formed between the through bore (22) and the inner shaft portion (26) of the shaft (21) and is pressure-relieved against an operating pressure of the medium to be controlled.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 31/50 - Mechanical actuating means with screw-spindle
F16K 41/04 - Spindle sealings with stuffing-box with at least one ring of rubber or like material between spindle and housing
The invention relates to a control valve and to a method for controlling such a control valve, which can be controlled for bidirectional flow in a fluid circuit, wherein the valve element (31), together with the valve needle (33), forms an expansion valve (40) in the case of a flow direction from the first opening (14) to the second opening (16), and the valve element (31), together with the valve needle (33), forms a first flow valve (66) in the case of a flow direction from the second opening (16) to the first opening (14), and furthermore the valve element (31), together with a sealing element (41) that lies against a flow valve seat (37) that is arranged in the transition region between the passage channel (17) and the control chamber (18), forms a second flow valve (67).
Drive device and a method for controlling the drive device so as to produce an actuation movement. The drive device includes at least one actuation element (25) consisting of a shape memory alloy, and at least one return actuation element (21) which counteracts the actuation movement of the at least one actuation element (25), the at least one actuation element (25) being received between two connection elements (17) that are separated from, and associated with, one another, and engaging with or being secured to each connection element (17), the connection elements (17) being kept at a distance from one another by the at least one actuation element (25) and the at least one return actuation element (21) positioned between them (17) and, as a result of the opposing directions of action thereof, the connection elements (17) being positioned in a defined initial length for controlling an actuation movement.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
The invention relates to an expansion valve, in particular for a vehicle air conditioning system, comprising: a housing (12) having an inlet opening (14) and an outlet opening (18) that are connected to one another via a through hole (49); a regulating chamber (46) which is provided between the inlet opening (14) and the through hole (49), and which connects same; a regulating device (36), arranged in the regulating chamber (46), having at least one regulating element (39) with a valve closing member (42), said valve closing member closing a valve seat (47) provided on the through hole (49); an actuating device (51) which acts upon the valve closing member (42) by means of a transfer pin (52), and which actuates the regulating device (36), wherein a front surface (61) of the transfer pin (52) is positioned against the valve closing member (42), and the valve closing member moves from a closed position into an open position in relation to the valve seat (47); and a front-side end region (55) of the transfer pin (52), which borders the front surface (61), is arranged within the through hole (49), and which end region (55) of the transfer pin (52) comprises a control cross section (63), such that a gap (64) is formed between the through hole (49) and the transfer pin (52), wherein the flow cross section, that increasingly widens in the flow direction, is formed in the through hole (49) starting from the control cross section (63) of the transfer pin (52) by means of a tapering at the end region (55) of the transfer pin (52).
The invention relates to a pressure relief valve, in particular for opening a relief opening (12) in a pressure container (14) filled with a pressurised gaseous or liquid medium, said pressure relief valve comprising a housing (16) having an inlet (17) and an outlet (18), between which a through-opening (19) is arranged that can be sealed by a valve element (23), and said pressure relief valve comprising an actuator (37) that can actuate the valve element (23), said actuator having at least one thermal control member (44) made of a shape-memory alloy, and at least one control element (42), wherein the thermal control member (44) of the valve element (23) controls from the starting position (24) to the end position (34) when the thermal control member (44) exceeds or falls below a predetermined activation temperature, and the valve element (23) in the transferred end position (34) is irreversibly arranged in the starting position (24).
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
F16K 31/124 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston servo actuated
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
Shut-off valve for liquid or gaseous media including a valve housing having at least one passage opening connecting an inlet opening to an outlet opening, a valve seat arranged on the valve housing and surrounding the passage hole and can be closed by a valve closing element lying directly in contact, which are arranged in a control chamber formed in the valve housing between the inlet opening and the outlet opening, a drive, which can be connected to the valve housing and which actuates the valve closing element to open or close the passage hole, and a restoring element, which acts against a closing or opening motion of the valve closing element, wherein the drive has at least one setting element of a shape-memory alloy to actuate the opening or closing motion of the valve closing element, and the drive is separated from the control chamber by a sealing element.
The invention concerns a valve, in particular a regulating or shut-off valve, for liquid or gaseous media having a valve housing (12), which has at least one through hole (14), having a valve seat (17), which is closed by a valve closing component (31), having a drive (35) that is connected to the valve housing (12), which has at least one control element (39) made of a shape memory alloy for controlling the opening and closing motion of the valve closing component (31), and operates the valve closing component (31) to open or close the through hole (14), and the control element (39) is formed of at least one wire element is at least partly encompassed by a protective cover (45).
The invention concerns a switching valve for controlling a mass flow in a cold or hot circuit, comprising: a valve housing (12) which has a feed opening (14) and a discharge opening (15); a valve piston (27) which has a valve-closure member (26) directed towards the discharge opening (15) and which, in a closed position, abuts a valve seat (24) of a through-bore (23) between the feed opening (14) and the discharge opening (15); a pilot valve (31) which is disposed opposite the valve-closure member (26) and has a pilot bore (32) in the valve piston (27), which bore opens into the through-bore (23) and traverses the valve piston (27); a path-generating device (21) which has an actuatable ram (35) accommodating a closure member (33) which closes the pilot bore (32) and, with the closure member (33), can be moved into an opening position which opens the pilot bore (32); and a bypass duct (48) which is formed between the feed opening (14) and the pilot bore (32). Provided between the ram (35) and the valve piston (27) is at least one connection element (51) which forcibly transfers at least some of the stroke movement of the ram (35) onto the valve piston (27).
G05D 7/06 - Control of flow characterised by the use of electric means
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
F25B 41/06 - Flow restrictors, e.g. capillary tubes; Disposition thereof
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
B60H 1/00 - Heating, cooling or ventilating devices
24.
DRIVE DEVICE AND A METHOD FOR CONTROLLING SAID DRIVE DEVICE IN ORDER TO PRODUCE AN ACTUATION MOVEMENT
The invention relates to a drive device and a method for controlling said drive device so as to produce an actuation movement, comprising at least one actuation element (25) consisting of a shape memory alloy, and at least one return actuation element (21) which counteracts the actuation movement of the at least one actuation element (25), said at least one actuation element (25) being received between two connection elements (17) that are separated from, and associated with, one another, and engaging with or being secured to each connection element (17), said connection elements (17) being kept at a distance from one another by the at least one actuation element (25) and the at least one return actuation element (21) positioned between them (17) and, as a result of the opposing directions of action thereof, the connection elements (17) being positioned in a defined initial length for controlling an actuation movement.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
The invention relates to a shut-off valve for liquid or gaseous media, comprising a valve housing (12), which has at least one passage opening (14), which connects an inlet opening (21) to an outlet opening (16), a valve seat (17), which is arranged on the valve housing (12) and surrounds the passage hole (14) and can be closed by a valve closing element (31) lying directly in contact, which are arranged in a control chamber (22) formed in the valve housing (12) between the inlet opening (21) and the outlet opening (16), a drive (35), which can be connected to the valve housing (12) and which actuates the valve closing element (31) in order to open or close the passage hole (14), and a restoring element (33), which acts against a closing or opening motion of the valve closing element (31), wherein the drive (35) has at least one setting element (39) made of a shape-memory alloy in order to actuate the opening or closing motion of the valve closing element (31), and the drive (35) is separated from the control chamber (22) by a sealing element (24).
The invention relates to an expansion valve for refrigeration plants, in particular vehicle air-conditioning systems, comprising: a housing unit(12) with a first refrigerant inlet opening (14) and a first refrigerant outlet opening (16) that are connected to a first refrigerant channel (17) comprising a flow opening (42) that is connected to a regulating chamber (39); a regulating device (25) arranged in the regulating chamber (39), said regulating device comprising a regulating screw (27) accommodating a valve (35) comprising at least one regulating element (33) and a valve closing member (39), wherein the valve closing member (39) opens and closes a valve seat (41) arranged on the flow opening (42); and a thermal actuation device (45) which actuates the regulating device (25) by means of a transmission pin (46), and a second refrigerant inlet opening (18) and a second refrigerant outlet opening (19) which are connected to a second refrigerant channel (21). A pre-tensioning device (56) which acts upon the regulating element (33) and which controls at least two different pre-set positions (53, 54) with respective predefined pre-tension forces for an opening and closing time of the valve closing member (38) by means of a prescribed adjustment movement, is provided.
The invention relates to an arrangement for adjusting a valve (12) which has a plunger (21) which is under the action of a restoring element (23) and has a valve closing member (18), having a housing (31) which can be attached to the valve (12) and in which is arranged at least one temperature-dependent actuating element (41) which interacts with an actuating device (34), by means of which actuating element (41) the actuating device (34) is activated so as to be movable between a rest position (57) and a working position, wherein the actuating element (41) is formed as at least one spring element from a shape-memory alloy, wherein the actuating device (34) is movable in the axial longitudinal direction of the actuating element (41) and the actuating element (41) extends substantially longitudinally with respect to the movement direction of the actuating device (34), and an air exchange is provided between an interior space (61) and an exterior space (65) of the actuating element (41) and an interior space and an exterior space of the actuating device (34).
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
The invention relates to a valve for actuating a flow channel (12), having a valve housing (16) disposed in the flow channel (12) with a throttle body (28) for forming a throttle point (14), and having a bypass valve (11) disposed in the flow channel (12) that can be actuated dependent on the temperature of the fluid, forming a bypass passage (30) together with at least one bypass opening (32), wherein a continuous change in the cross section of the bypass passage (30) of the bypass valve (31) can be actuated dependent on the temperature-based changes in viscosity of the fluid.
The invention relates to a valve assembly, in particular for an expansion valve, which is provided in a vehicle air-conditioning system operated with refrigerant, comprising a valve seat (37) and a valve closing element (39) which closes a passage opening (44) surrounded by the valve seat (37) between an inlet opening (14) and an outlet opening (16). The valve seat (37) has at least one throttling point (51), through which a predetermined mass flow passes from the inlet opening (14) to the outlet opening (16) when the valve closing element (39) is in a closed position (38). The throttling point (51) is formed by a helical depression (53), which is provided in at least some sections in a peripheral wall of the passage opening (44) and which extends at least partly along the passage opening (44) in the direction of and up to the valve seat (37) or into the valve seat, and in the opposite direction.
The invention relates to an arrangement for adjusting a valve (12) which has a plunger (21) which is under the action of a restoring element (23) and has a valve closing member (18), having a housing (31) which can be attached to the valve (12) and in which is arranged at least one temperature-dependent actuating element (41) which interacts with an actuating device (34), by means of which actuating element (41) the actuating device (34) is activated so as to be movable between a rest position (57) and a working position, wherein the actuating element (41) is formed as at least one spring element from a shape-memory alloy, wherein the actuating device (34) is movable in the axial longitudinal direction of the actuating element (41) and the actuating element (41) extends substantially longitudinally with respect to the movement direction of the actuating device (34), and an air exchange is provided between an interior space (61) and an exterior space (65) of the actuating element (41) and an interior space and an exterior space of the actuating device (34).
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
The invention relates to a connection device for an internal heat exchanger (14) having a connection block (21) comprising a first and a second through hole (24, 25), wherein an inlet opening (26) of the first through hole (24) can be connected on the high pressure side to a connection of the internal heat exchanger (14), and an outlet opening (27) of the first through hole (24) to an inlet of an evaporator (16), and an inlet opening (28) of the second through hole (25) can be connected to an outlet of the evaporator (16) and an outlet opening (28) of the second through hole (25) on the low pressure side to a connection of the internal heat exchanger (14), wherein a narrowing of the cross section (31) of the first through hole (24) is formed in the connection block (22) between the inlet opening (26) and outlet opening (27) and acts as a throttle point.
F28D 7/10 - 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 arranged one within the other, e.g. concentrically
The invention relates to a connection device for an inner heat exchanger (14), comprising a connection block (22) having a first passage (31) and a second passage (35), wherein an inlet opening (29) of the first passage (31) can be connected to a connection of the inner heat exchanger (14) on the high-pressure side, and an outlet opening (32) of the first passage (31) can be connected to an input of an evaporator (16), and an inlet opening (34) of the second passage (35) can be connected to an outlet of the evaporator, and an outlet opening (38) of the second passage (35) can be connected to a connection of the inner heat exchanger (14) on the low-pressure side, and the inlet opening (29) of the first passage (31) and the outlet opening (36) of the second passage (35) are arranged coaxially to the connection point (23) on the connection block (22) for receiving an inner heat exchanger (14), wherein a receiving space (38) extending into the connection block (22) is provided from the connecting point (23) of the inner heat exchanger (14), said receiving space crossing the first and second passages (31, 35), a thermostatic expansion valve (15) having a main body (44), a regulating device (47) and an actuating device (49) can be inserted in the receiving space (38), a first intersection point (41) with which the regulating device (47) is associated is formed between the first passage (31) and the traversing receiving space (38), and a second intersection point (42) with which an actuating device (49) is associated is formed between the second passage (35) and the receiving space (38).
The invention relates to a method for controlling a mass flow of a refrigerant or heating circuit, particularly in a vehicle air conditioning system operated using R134a as the refrigerant, having an expansion valve (15) comprising a valve housing (23) having an inlet opening (20) and a discharge opening (22), having a valve closing member (32) closing a valve seat (34) of a through hole (33) disposed between the one inlet opening (20) and discharge opening (22), and a return device (37) engaging with the valve closing member (32), wherein an opening force on the valve closing member (32) results from a pressure differential between a high pressure above the valve closing member (32) and a low pressure after the valve closing member (32), wherein a temperature and pressure-dependent control device (28) is coupled to the valve closing member (32), and an opening motion is transmitted by the control device (28) to the valve closing member (32) for controlling the mass flow in a start phase of the refrigerant or heating circuit, until at least the high pressure acting on the control device (28) is greater than the internal pressure of the control device (28).
The invention relates to an expansion valve for regulating the mass flow rate by generating a pressure difference on the expansion valve of a refrigeration or heating cycle. Said expansion valve comprises a base (31) having a through-hole (32) that is surrounded by a valve seat (33), and a valve element (34) which closes the through-hole (32) and rests within the valve seat (33) in a closed position and can be moved relative to the valve seat (33) in the opening direction on the base (31). The base (31) is designed to be inserted into a bore section (29) of an attachment point (26, 27) of a connection (21) of an internal heat exchanger (14) or into a connection (21) of a pipe in the refrigeration or heating cycle. The outer circumference (46) of the base (31) has a fastening section (47) that is releasably fastened to the attachment point (26, 27) of the connection (21) by means of a complementary fastening section (48).
The invention relates to a thermostatic control device for controlling a mass flow which can be controlled especially by means of a valve element (18) for opening and closing a throughbore (19) in a valve housing (12), comprising a housing section (31) in which an actuating unit (37) is provided which produces, depending on the temperature, an actuating movement onto a transmission pin (38) by which movement the valve element (18) can be controlled, the actuating unit (37) being produced of a shape memory alloy.
The invention relates to a thermostatic safety valve for controlling a mass flow, having a housing (12) which has an inlet opening (14) and an outlet opening (16), having a passage opening (17) which connects the inlet opening (14) and the outlet opening (16) so as to be traversed by a mass flow, and having a valve seat (18) which is arranged in the passage opening (17), which valve seat (18) can be closed off by means of a valve element (19), wherein at least one actuating element (31) acts between the valve element (19) and the housing (12), which actuating element (31) can be arranged in a self-holding fashion in at least one defined end position (32, 37) and, in the one end position (32), positions the valve element (19) in an open position (34) with respect to the valve seat (18), and in the further end position (37), positions the valve element (19) in a closed position (36) with respect to the valve seat (18), wherein a thermal actuating member (28) engages on the valve element (19), which thermal actuating member (28), as a function of the temperature of the mass flow, generates at least one actuating movement of the valve element (19) and moves the valve element (19) into the first end position (32) or the second end position (37).
G05D 23/01 - Control of temperature without auxiliary power
G05D 23/10 - Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element with snap-action elements
E03C 1/044 - Water-basin installations specially adapted to wash-basins or baths having a heating or cooling apparatus in the supply line
37.
VALVE ELEMENT AND THERMOSTATIC CONTROL DEVICE FOR CONTROLLING A MASS FLOW
The invention relates to a valve element for a thermostatic control device (12) and to a thermostatic control device for controlling a mass flow, having a valve closing member (14) which can be arranged in a valve seat (83) and which can be actuated by means of a transmission pin (16), having a housing section (18) in which the transmission pin (16) is guided at least in sections, and having at least one force store element (29) which is provided in the housing section (18) and which acts in a first movement direction such that the valve closing member (14) is arranged in an initial position (28) with respect to the housing section (18), wherein at least one thermal actuating member (41) composed of a shape-memory alloy engages both on the housing section (18) and also on the valve closing member (14) and has a direction of action opposite to the first movement direction and generates a temperature-dependent actuating movement of the valve closing member (14) counter to the at least one force store element (29), such that the actuating force of the thermal actuating member (41) is greater than that of the at least one force store element (29).
The invention relates to a thermostatic expansion valve for controlling the overheating of a high pressure of a refrigeration cycle which can be operated at least subcritically, with a valve housing (12), with a valve element (25) which closes a valve seat (26) of a passage opening (16) which is disposed between a supplying opening (14) and a discharging opening (15) and which can be triggered with an actuating device (31) for the passage of the refrigerant, wherein at least one bypass borehole (41) which connects the supplying opening (14) to the discharging opening (15), can be triggered with a limiting element (45), and the limiting element (45), in a basic position, releases the bypass borehole (41) for the passage of mass flow, and the closing motion of the limiting element (45) can be triggered as soon as the limiting element (45) in the mass flow exhibits an increase of a super cooling value above a predefined critical value for the subcritical refrigeration cycle.
The invention relates to a thermostatic expansion valve for regulating a high pressure in a refrigeration cycle or heat pump cycle (11) that can be operated both transcritically and subcritically. A first actuator (36) of said thermostatic expansion valve comprises a chamber (38) that is delimited by a first effective surface (37) that contains a control filling (41). The first actuator (36) can be triggered according to the high pressure and the temperature and is movably coupled to a second actuator (46). The second actuator (46) can be triggered regardless of the temperature and in accordance with the high pressure and can be adjusted to a maximum operating pressure for opening the through-hole (29).
The invention relates to a thermostatic valve for regulating a mass flow as a function of the temperature of the mass flow, in which a valve element (22) has at least one thermal actuating element (41) composed of a shape memory alloy, which thermal actuating element (41), in a temperature-dependent fashion, exerts an actuating movement on the valve element (22), counter to at least one force store element (34) in a housing section (18) which guides the valve element, once the actuating force of the thermal actuating element (41) is greater than that of the force store element (34).
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Temperature and pressure transfer apparatus, return valves. Temperature and pressure measuring apparatus, hydraulic
transfer apparatus, temperature path indicators, pressure
path indicators and path exchangers being components in
regulating, switching and control apparatus, temperature
regulating apparatus. Thermostatic and automatic expansion valves, including
magnetic valves and electronically controlled expansion
valves; secondary control apparatus, pressure regulating
apparatus, flow control apparatus, return valves; apparatus
for distributing liquids; inspection glasses; electronic
evaporative pressure regulators, media temperature
regulators and cooling station regulators for use in
cooling, air conditioning and heat pump installations;
temperature regulating apparatus, pressure regulating
apparatus, flow control apparatus for installing in water
circuits and in heating and cooking apparatus, all the
aforesaid goods included in this class.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Temperature and pressure bellows, reversing valves. Temperature and pressure measuring apparatus, hydraulic
transfer apparatus, temperature path indicators, pressure
path indicators and path exchangers being components in
regulating, switching and control apparatus; temperature
regulating apparatus. Thermostatic and automatic expansion valves, including
magnetic valves and electronically controlled expansion
valves; secondary control apparatus, pressure regulating
apparatus, flow control apparatus; return valves; apparatus
for distributing liquids; temperature regulating apparatus;
inspection glasses; electronic evaporative pressure
regulators, media temperature regulators and cooling station
regulators for use in cooling, air conditioning and heat
pump installations; pressure regulating apparatus, flow
control apparatus for installing in water circuits and in
heating and cooking apparatus, all the aforesaid goods
included in this class.
The invention relates to an expansion valve for an air conditioning system, in particular for a refrigeration system that is operated with CO2 as the coolant. Said valve comprises a valve housing (22), which has a feed opening (23) and a drain opening (26), an expansion organ (24), which connects the feed opening (23) or a fluidic connection (17) that is linked to said opening to the drain opening (26) or a fluidic connection (18) that is linked to the latter. A bypass valve (27) lies parallel to the expansion organ (24). One end (41) of the valve housing (22) is equipped with a fixing section (42), which fixes the feed opening (23) and the drain opening (26) in a connection block (21) of the refrigeration system (11), said block containing the fluidic connections (17, 18).
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Temperature and pressure measuring and transmitting
apparatuses and hydraulic transmitting apparatuses including
temperature displacement pickups, pressure displacement
pickups and displacement transmitters as components in
apparatuses for regulation, commutation and control. Thermostatic expansion valves including solenoid valves and
electronically regulated expansion valves, secondary
regulation apparatuses, pressure regulation apparatuses,
flow regulation apparatuses, liquid distributors,
temperature regulation apparatuses including electronic
evaporation pressure regulators, media temperature
regulators and cold spot regulators for use in cooling, air
conditioning and heat pump installations; temperature
regulation apparatuses, pressure regulation apparatuses,
flow regulation apparatuses for installation in water
circuits and in heating apparatuses and cooking utensils.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Hydraulic transmitting apparatuses for use in regulating communicating and controlling fluid systems Temperature and pressure measuring and transmitting apparatuses, temperature displacement pickups, pressure displacement pickups and displacement transmitters, all the aforesaid goods for use regulating, communicating and controlling fluid systems Thermostatic expansion valves, solenoid valves, electronically controlled expansion valves, secondary regulator apparatuses, pressure regulator apparatuses, flow regulator apparatuses, liquid distributors, temperature regulator apparatuses, electronic evaporation pressure regulators, media temperature regulators and cold spot regulators for use in cooling, air conditioning and heat pump installations; temperature regulator apparatuses, pressure regulator apparatuses, flow regulator apparatuses for installation in water circuits and in heating apparatuses and cooking utensils
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Temperature and pressure transfer apparatus, return valves. Temperature and pressure measuring apparatus, hydraulic transfer apparatus, temperature path indicators, pressure path indicators and path exchangers being components in regulating, switching and control apparatus. Thermostatic and automatic expansion valves, including magnetic valves and electronically controlled expansion valves; secondary control apparatus, pressure regulating apparatus, flow control apparatus; return valves; apparatus for distributing liquids; temperature regulating apparatus; inspection glasses; electronic evaporative pressure regulators, media temperature regulators and cooling station regulators for use in cooling, air conditioning and heat pump installations; temperature regulating apparatus, pressure regulating apparatus, flow control apparatus for installing in water circuits and in heating and cooking apparatus.
