Safety valve for a gas appliance, which comprises an electromagnet (2) including a coil (9) with a phase wire (9a) and a ground wire (9b), and a projection (11) with a phase contact area (12) in contact with the phase wire (9a), a seat (30) connected to the ground wire (9b), a phase closure (20) in contact with the phase contact area (12), a printed circuit board (40), with the phase closure (20) being in contact with the printed circuit board (40), and an electrical connector (60) with a phase terminal (62) and a ground terminal (63) connected to the phase wire (9a) and to the ground wire (9b) via the printed circuit board (40). The printed circuit board (40) is housed in the seat (30) in a curved and elastically deformed manner ensuring a constant contact pressure with the phase closure (20) and the seat (30).
Thermoelectric safety device in the absence of flame for gas combustion systems, comprising a thermocouple (1) with a first conductor (2) and a second conductor (3) made of a material different from the material of the first conductor (2), the first conductor (2) being attached to the second conductor (3) in an electrical connection hot junction (5), and an electromagnetic valve (6) electrically connected to the first conductor (2) and to the second conductor (3) and configured to allow the passage of gas when it is energized by the thermocouple (1). The first conductor (2) comprises a casing (11) which at least partially houses the second conductor (3), and the safety device comprises a voltage booster (7) coupled to the casing (11) and configured to boost the electrical voltage generated in the thermocouple (1) and to thereby power a load (12).
F23N 5/10 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
Gas appliance comprising a chamber (9), a burner (2), and a temperature control system (10) having a thermostat (11), a sensor (12) and regulating means (15) by means of which a setpoint temperature is established, with the thermostat (11) regulating the gas flow into the burner (2) based on the temperature detected by the sensor (12). The thermostat (11) maintains a preset gas flow rate until the setpoint temperature has been detected, and reduces the gas flow rate once the setpoint temperature has been reached. The temperature control system (10) comprises a thermocouple (13) which detects a flame corresponding to the preset gas flow rate, but which is unable to detect a flame corresponding to the gas flow rate once it has been reduced, such that the thermocouple (13) powers indication means (14) until the setpoint temperature is reached.
A thermoelectric safety assembly that includes a thermocouple configured to detect a flame in a burner and, in response to detecting the flame, generating an electrical voltage. The assembly includes an electromagnetic valve electrically connected to the thermocouple, and a transistor electrically connected between the thermocouple and the electromagnetic valve. The electromagnetic valve is arranged electrically connected with a field-effect transistor. The assembly also includes a voltage booster configured to power the transistor, the transistor being connected in parallel with the voltage booster. An output terminal of the voltage booster is arranged connected with a gate terminal of the transistor, the voltage booster being configured to boost the electrical voltage generated in the thermocouple, an electrical voltage being obtained that is capable of keeping the transistor closed such that the electromagnetic valve is energized.
F23N 5/24 - Preventing development of abnormal or undesired conditions, i.e. safety arrangements
H01F 7/06 - ElectromagnetsActuators including electromagnets
H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
5.
DEVICE FOR THERMOELECTRIC SAFETY IN THE ABSENCE OF A FLAME FOR GAS COMBUSTION SYSTEMS
Device for thermoelectric safety in the absence of a flame for gas combustion systems, comprising a thermocouple (2) configured to detect the flame in the corresponding burner generating an electrical voltage, an electromagnetic valve (7) electrically connected to the thermocouple (2), and a transistor (6) electrically connected between the thermocouple (2) and the electromagnetic valve (7), the electromagnetic valve (7) being arranged such that it is directly connected to a field-effect transistor. The device (1) comprises a voltage booster (5) powering the transistor (6), the transistor (6) being connected in parallel to the voltage booster (5) and an output terminal (5a) of the voltage booster (5) being arranged such that it is connected to a gate terminal (6a) of the transistor (6), the voltage booster (5) being configured to boost the electrical voltage generated in the thermocouple (2), an electrical voltage being obtained that is capable of keeping the transistor (6) closed such that the electromagnetic valve (7) is energized.
Gas cooking appliance including at least one burner and an ignition device configured to ignite the burner. The ignition device includes a pulse generator configured to send at least one electric pulse for the purpose of generating a spark to ignite the burner. The cooking appliance also includes a flame detector configured to detect the presence/absence of a flame in the burner. The pulse generator is in electrical contact with a part of the burner and the flame detector is connected to ground. The cooking appliance further includes insulating means that insulates the burner with respect to ground, such that when the pulse generator sends at least one electric pulse, an electric spark capable of igniting the burner is generated between the burner and the flame detector.
The invention relates to a solar thermal system comprising: a collector (4); a primary circuit (2) through which circulates a fluid set to be heated by the collector (4), the primary circuit (2) comprising a first exchanger (3) by means of which the collector (4) heats the fluid circulating through the primary circuit (2); a secondary circuit (10) of domestic water; a main tank (20) in which the fluid of the primary circuit (2) heats the domestic water of the secondary circuit (10); and an auxiliary tank (7) configured to contain the fluid of the primary circuit (2) when the fluid is not circulating. The auxiliary tank (7) is configured to heat the domestic water.
A gas cooking appliance comprising at least one burner (3), an ignition device (11) configured for igniting the burner (3), the ignition device (11) comprising a pulse generator (13) configured for sending at least one electric pulse generating a spark which ignites the burner (3), and a flame detector (5) configured for detecting the presence/absence of flame in the burner (3). The pulse generator (13) is in electrical contact with the burner (3) and the flame detector (5) is connected to ground. The cooking appliance (1) also comprising insulating means (15) which insulate the burner (3) with respect to ground, so that when the pulse generator (13) sends at least one electric pulse, an electric spark capable of igniting the burner (3) is generated between the burner (3) and the flame detector (5).
Valve arrangement for a gas burner, comprising a manual gas valve (100) with a manual actuator (20) for opening or closing the gas flow, and an electromagnetic valve (40) comprising a movable closure member (41) which can be used to open or close a gas passage (13) to the burner (200). The electromagnetic valve (40) is arranged in the gas valve (100), with the manual actuator (20) being coupled to a rotary flow regulating element (30), the manual actuator (20) being configured in order to move the closure member (41) of the electromagnetic valve (40), opening the gas passage (13), the manual gas valve (100) comprising a reduced gas flow channel (14) which puts the inlet conduit (11) in fluid communication with the regulating element (30) regardless of the position of the closure member (41).
Mixer device (1) comprising a main body (1a) with an oxidizing gas inlet duct (2), a combustible gas inlet duct (3) and a main channel (4) connected to both inlet ducts (2, 3). The main body (1a) also comprises an auxiliary channel, connected to the oxidizing gas inlet duct (2), and an additional distribution channel, connected to the combustible gas inlet duct (3), both channels being blocked by a membrane (6) when in a standby position, and allowing the passage of the oxidizing gas and combustible gas through the corresponding channels when said membrane (6) is moved by the action of the oxidizing gas flow upon exceeding a specific threshold.
Gas safety valve comprising a body (2) comprising an inlet conduit and an outlet conduit, a magnetic group (7) housed at least partially in a housing (5) of the body (2), opening or closing gas passage from the inlet conduit to the outlet conduit and comprising an electromagnet (8) and a support (15) of said electromagnet (8), and a bushing (19) coupled to the support (15). The safety valve comprises fixing means (22) for fixing the bushing (19) and the magnetic group (7) to the body (2), the fixing means (22) comprising a fixing element (23) comprising a cylindrical central part the free end (25) of which is adapted to the geometry of the body (2) retaining the fixing element (23) against the body (2), and a flange (24) extending radially towards the inside and retaining the bushing (19) against the support (15).
Safety device (1) adapted for gas burners, comprising an electromagnetic valve (2) opening or closing the gas supply passage towards at least one burner (6), a thermocouple (3) connected to the electromagnetic valve (2), thermoelectric means (4) connected to the electromagnetic valve (2) and a switch (5) connected to the thermoelectric means (4) and to the electromagnetic valve (2). The switch (5) allows a current (I2) generated by the thermoelectric means (4) when said thermoelectric means (4) detect a specific temperature threshold in the vessel (7), to flow towards the electromagnetic valve (2) in the direction opposite the current (I1) generated by the thermocouple (3) once a specific difference in potential has been reached in said switch (5), the current (I2) generated by the thermoelectric means (4) being greater than said current (I1) generated by the thermocouple (3).
Thermocouple connector adapted to a electromagnetic valve, the electromagnetic valve comprising a quick-connect terminal (3) that has a base (3a) and a hole through which is fixed a phase wire (5) of the electromagnetic valve to the connection terminal, defining a connection surface on the base (3a), and the connector (1) comprising an inner surface (2) facing the base (3a) when the connector (1) is inserted transversally to the connection terminal (3). The connector (1) comprises guiding means (10) that project out in relation to the inner surface (2), extending longitudinally in the direction of insertion, adapted to guide the transverse insertion of the connector (1), the connector (1) coming into contact with the base (3a) through the guiding means (10) preventing contact with the connection surface defined on the base (3a).
F23N 5/10 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
H01R 13/115 - U-shaped sockets having inwardly-bent legs
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
Gas burner for a household appliance, which comprises a casing (5), a thermocouple (4), an injector (2) fixed to the casing (5), and a thermoelectric safety actuator (20) adapted to open or close the passage of gas towards the injector (2). The actuator (20) is arranged fixed to the casing (5) and comprises a body (21,22), an inlet gas conduit (23), an outlet gas conduit (25) connected to the injector (2), an electromagnet (36) housed in the inside of the body (21,22) and arranged connected to the thermocouple (4), a tilting arm (38) that has a frame (37) connected to it and a sealing member (35), the arm (38) tilting between a rest position in which the passage of gas towards the outlet conduit (25) is closed and an activation position in which the electromagnet (36) is energized and the passage of gas open.
F23N 5/10 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
F23D 14/10 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
Thermal solar energy installation comprising: a first circuit (20) through which a heat-transfer fluid circulates and which includes at least one solar panel (9) which captures solar radiation and transmits same to the heat-transfer fluid, a reservoir (1) in communication with the solar panel (9) via an entry conduit (10) and a return conduit (12), means (3) for driving the heat-transfer fluid from the reservoir (1) to the solar panels (9), a second circuit (21) through which water circulates, and a heat exchanger (11) in which the heat-transfer fluid of the first circuit (20) transfers heat to the water of the second circuit (21). The first circuit (20) includes means (24) for evacuating the air contained in the reservoir (1), said reservoir (1) containing a dividing panel (2) which ensures that the heat-transfer fluid leaving the reservoir does not contain air.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Machines and machine tools; motors and engines (other than
for land vehicles); couplings and transmission belts (other
than for land vehicles); large agricultural implements,
incubators. Scientific, nautical, surveying, electric (including
wireless), photographic, cinematographic, optical, weighing,
measuring, signaling, checking (supervision), life-saving
and teaching apparatus and instruments; automatic coin or
token-operated apparatus; talking machines; cash registers,
calculating machines; extinguishing apparatus. Installations for lighting, heating, steam generating,
cooking, refrigerating, drying, ventilating, water
distribution and sanitary installations.
