| COPRECITEC, S.L. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120090177 | Method for Assembling an Electromagnetic Gas Valve, and Electromagnetic Gas Valve - A method of assembling an electromagnetic gas valve having a first body, a second body, a unit comprising a valve disc and stem assembly coupled to a moveable insulating structure having a projecting member, an electromagnet assembly comprising a magnet fixed within the second body and a coil wound on a moving part with a cavity adapted to receive the projecting member, the first body having a gas inlet, a gas outlet and a through hole disposed between the gas inlet and outlet. In one implementation the insulating structure is coupled to the electromagnetic assembly by introducing a fluid under pressure into the gas outlet or gas inlet to act upon the unit to cause the projecting member to move in a direction towards the inside of the second body and into the cavity of the moving part of the electromagnet assembly. | 04-19-2012 |
| 20120073562 | Rotary Valve Arranged in Multi-Gas Cooker - Cooking appliance having an external control panel equipped with one or more regulating valves, where the rotary regulator organ is equipped with various peripheral openings for supplying a flow Q. For the supply of one or another type of gas, NG or LPG, either the control knob or a bezel disk in the external panel are interchangeable on the appliance, being chosen between two different available units, one and the other permitting two different angular position limits A2, A3 of the regulator organ or the supply of a constant flow Qmin through one or another opening with calibrated sections, respectively for NG or LP gas. An appendix in the control knob guided in a slide groove on the control panel of the appliance, or a tongue on the bezel disk stopping the rotation of the control knob, determines the travel limit A2 for the supply of Qmin of NG. | 03-29-2012 |
| 20120067341 | Dual Fuel Heater - A heater having first and second oxygen depletion sensors and a main burner injector and configurable for the delivery of at least first and second types of fuels. | 03-22-2012 |
| 20120045726 | Dual Fuel Gas Heater - A dual fuel vent free gas heater. In one implementation the heater includes a gas burner adapted to receive one of a first type of gas or of a second type of gas with a first pilot burner intended to receive the first type of gas and a second pilot burner intended to receive the second type of gas. A first temperature sensor is located adjacent the first pilot burner and a second temperature sensor is located adjacent the second pilot burner. A normally closed thermal switch is coupled to the first temperature sensor and located in the electrical flow path between a voltage source and a gas control valve actuator, the thermal switch configured to open when the temperature detected by the first temperature sensor exceeds a predetermined temperature indicative that the second type of gas is being delivered to the first pilot burner. | 02-23-2012 |
| 20120031391 | Rotary Valve Arranged in Multi-Gas Cooker - A cooking appliance equipped with at least one regulating valve having a rotary regulator organ. The rotary regulator organ has an actuating shaft a plurality of peripheral openings adapted for regulating a flow of gas through the regulating valve. In a first angular position the rotary regulator organ is adapted to supply a constant flow Qmin of a first type of fuel through a first peripheral opening. In a second angular position, successive to the first angular position, the rotary regulator organ is adapted to supply a constant flow Qmin of a second type of fuel through a second peripheral opening. In one implementation a feature that rotates with the actuating shaft is adapted to engage a feature on the cooking appliance to limit the rotation of the rotary regulator organ to the first angular position. | 02-09-2012 |
| 20110126816 | GAS DISTRIBUTION UNIT FOR A COOKING APPLIANCE - A gas distributor assembly for a cooking appliance. In one implementation the assembly includes at least one gas burner, a distributor conduit fitted with at least one regulation tap to regulate the passage of a gas flow to the corresponding burner, and a safety valve to open or close the passage of the gas flow to the burners. The distributor conduit is connected to the safety valve, the safety valve having a valve body that includes an inlet conduit for receiving the gas flow, an outlet conduit, and an intermediate conduit that connects the inlet conduit to the outlet conduit, an axial axis of the inlet conduit and an axial axis of the outlet conduit being arranged substantially parallel to each other and not coaxial. An electrovalve housed in the valve body of the safety valve opens or closes the passage of the gas flow to the outlet conduit. | 06-02-2011 |
| 20110031989 | CONTROL METHOD FOR AN INDUCTION APPARATUS, AND INDUCTION APPARATUS - A method for controlling an induction apparatus having an induction coil. In one implementation the induction apparatus includes a capacitor that is connected in parallel with the induction coil to form a parallel resonant circuit, and also includes a switch connected in series with the parallel resonant circuit, between the parallel resonant circuit and a reference voltage. According to one method, a digital test signal dependent on the voltage in a node disposed between the switch and the parallel resonant circuit is generated, the switch is closed for a predetermined closure time and then reopened at the end of the closure time. With the switch reopened, the test signal is evaluated for a predetermined waiting time in order to determine the presence or absence of a vessel on the induction coil. | 02-10-2011 |
| 20110005508 | DUAL GAS COMPATIBLE COOKING APPLIANCE - Cooking appliance ( | 01-13-2011 |
| 20100310997 | DOMESTIC GAS APPLIANCE WITH FLAME CONTROL - A domestic gas appliance is disclosed. In one implementation the appliance includes a burner and a gas control valve situated to deliver and vary a flow of a gas to the burner. The gas control valve has an actuator that induces an opening and/or closing of the flow control valve dependent on a control signal delivered to the actuator. A control device is electrically coupled to the actuator and is used to control the opening and closing of the gas control valve. The control device is coupled to an audio input and is configured to receive an analog sound signal and to generate the control signal based on the analog sound signal. A method of modulating a flame in a burner of a domestic gas appliance is also disclosed. In one implementation the method includes producing an analog sound signal and subsequently creating a reference signal based on the analog sound signal. A control signal is produced using the reference signal with the relationship between the reference signal and the control signal being linear, logarithmic or potential. The control signal is delivered to an actuator of a gas control valve that is situated to control the flow of gas to the burner, the control signal acting upon the actuator to cause the actuator to open and/or close to modulate the flame in the burner. | 12-09-2010 |
| 20100275953 | Washing Household Appliance and control method thereof - An appliance having a drain pump with a motor adapted to be supplied with an alternating supply voltage. The appliance also includes a controller adapted to monitor a current value supplied to the motor and to control the frequency of the supply voltage among a plurality of predetermined frequencies when the drain pump is operated in a full drainage mode. A storage medium associated with the controller stores for each predetermined frequency a maximum current value, a minimum current value and an optimal current value. In one implementation the controller stores computer implemented instructions that when executed (a) determines if the monitored current value is between the maximum current value and the minimum current value, (b) and upon determining that the monitored current value is between the maximum current value and the minimum current value compares the monitored current value with the optimal current value, and (c) adjusts the frequency of the alternating supply voltage among the plurality of predetermined frequencies to cause the monitored current to more closely match the optimal current value. A method of controlling a motor of a drain pump configured to operate between minimum and maximum alternating supply voltage frequencies and to be supplied with a current between a minimum and maximum current values, and preferable with an optimal current, is also provided. In one implementation the method involves monitoring the current delivered to the motor and determining if the monitored current value is between the maximum current value and the minimum current value, upon determining that the monitored current value is between the maximum current value and the minimum current value comparing the monitored current value with the optimal current value, and adjusting the frequency of the alternating supply voltage among a plurality of predetermined frequencies to cause the monitored current to more closely match the optimal current value. | 11-04-2010 |
| 20100255433 | CONTROL SYSTEMS FOR THE IGNITION OF A GAS BURNER - A system or apparatus that in one implementation includes an electromagnetic valve having an actuator rod with a first coil and a second coil positioned at different longitudinal locations on the actuator rod and being situated electrically parallel to one another in an electrical circuit. The electromagnetic valve is constructed to induce a first voltage in the second coil when the electromagnetic valve is in the open position and to induce in the second coil a second voltage lower than the first voltage when the electromagnetic valve is in the closed position. A switch changeable between a first position and a second position is located in the electrical circuit. When the switch is in the first position the electrical circuit is configured to allow current from a power source to be delivered to the second coil. When the switch is in the second position the electrical circuit is configured to not allow current from a power source to be delivered to the second coil. A control device situated in series with the second coil in the electrical circuit is adapted to detect the open or closed position of the first electromagnetic valve based on the induced voltage of the second coil. The control device is adapted to act upon the switch to change it between the first and second positions. In one implementation, upon detecting that the electromagnetic valve is in the closed position, the control device is configured to act upon the switch to cause it to assume the first position. | 10-07-2010 |
| 20100206866 | Control Panel for a Cooking Device - A control panel for controlling the operation of hotplates situated on a cooking appliance. The control panel has a translucent plate that permits the location of operating elements to be visually displayed on a top surface thereof only when lighting elements associated with the operating elements are energized. The lighting elements are selectively energized and/or de-energized so that only the operating elements of a particular hotplate are visible on the top surface of the translucent plate while a user is in the process of selecting or otherwise altering an operating parameter of the particular hot plate. | 08-19-2010 |
| 20100154777 | REGULATION VALVE - A regulation valve having a valve body, a rotary regulatory body and a drive shaft attached to the regulatory body. The rotary regulatory body is housed in the valve body and has a plurality of inlet orifices that may be positioned to face a gas inlet by rotating the regulatory body by use of the drive shaft. A first inlet orifice corresponds to a first minimum flow of a first type of gas, and a second inlet orifice corresponds to a second minimum flow of a second type of gas. The first and second inlet orifices situated in the regulatory body at different angular positions. The drive shaft and the valve body have cooperating features that limit the angular rotation of the regulatory body to a second angular position where the second inlet orifice is aligned to face the gas inlet. Attached to, or incorporated into the regulation valve, is a stop element which can be arranged in an active position or in a rest position. In the active position the stop element interacts with a feature of the drive shaft to limit the angular rotation of the regulatory body to a first angular position where the first inlet orifice is aligned to face the gas inlet, the first angular position preceding the second angular position. In the rest position, the stop element does not limit the angular rotation of the regulatory body to the first angular position, thereby permitting the regulatory body to be rotated to the second angular position. | 06-24-2010 |
| 20100089386 | MULTI-GAS COOKER, WITH A ROTARY VALVE PROVIDED WITH INTERCHANGEABLE REGULATING MEANS - The cooking appliance ( | 04-15-2010 |
| 20100089385 | Rotary Valve Arranged in Multi-Gas Cooker - Cooking appliance ( | 04-15-2010 |
| 20100086884 | CONTROL SYSTEM FOR THE IGNITION OF A GAS BURNER - A control system for the ignition of a gas burner that include an electromagnetic valve having a first coil and a second coil, the activation of the first and second coils controlling the flow of gas through the electromagnetic valve. An ignition element which is designed to be heated until it reaches the gas combustion temperature of the gas delivered to the burner is disposed electrically in series with the first coil, the ignition element and first coil forming a branch. The control system also includes an auxiliary electromagnetic valve with a coil, the activation of the coil controlling the flow of gas through the auxiliary electromagnetic valve. The flow of gas towards the burner is allowed when both the electromagnetic valve and the auxiliary electromagnetic valve are open. | 04-08-2010 |
| 20100035195 | IGNITION SWITCH ASSEMBLY FOR A GAS VALVE - An ignition switch assembly connectable to a rotary shaft of a gas tap of a cooking device. The ignition switch assembly has a coupling element connectable to the rotary shaft of the gas tap, a fixed contact, a mobile contact, and a cam coupled to the coupling element which is configured to move the mobile contact relative to the fixed contact. The cam has a guide that is moveable within a groove of the switch assembly which controls the lateral displacement of the cam in relation to the coupling element so that the lateral displacement of the cam is controlled such that when the coupling element is rotated in a first direction, electrical contact between the mobile and fixed contacts is achievable, but when the coupling element is rotated in a second direction opposite the first direction the lateral displacement of the cam is controlled to prevent electrical contact between the mobile and fixed contacts. | 02-11-2010 |
| 20090280448 | MULTIPLE GAS PILOT BURNER - A multiple gas pilot burner assembly for a household heating appliance. The pilot burner includes an injector having a first conduit for receiving a flow of a first combustible fluid, a second conduit for receiving a flow of a second combustible fluid and a third conduit connected to and in fluid communication with the first and second conduits which is configured to receive the flow of the first combustible fluid from the first conduit or the flow of the second combustible fluid from the second conduit. A single nozzle at the outlet of the third conduit is provided for supplying a pilot flame. The assembly also includes a single flame igniter positioned to cause an ignition of the pilot flame at the nozzle and also a single thermocouple positioned to be heated by the pilot flame and to generate an electrical current when heated. | 11-12-2009 |
| 20090159068 | FUEL-FIRED BARBECUE - A barbecue having a manual operating mode and an automatic operating mode. In the manual operating mode a user is required to act affirmatively on the burner or burners of the barbecue in order to light them. In the automatic operating mode, a controller operably controls an igniter and/or a pilot to automatically light the burner or burners without the need for a user to affirmatively act on the burners themselves. | 06-25-2009 |
| 20090140193 | DEVICE FOR DISTRIBUTING GAS TO A COOKING APPLIANCE - A gas tap for controlling the flow of a gas to a cooking appliance. In one embodiment, the gas tap includes a body and a rotatable regulation member positioned within the valve body, the valve body having a stationary groove for the inlet of gas from an exterior wall surface to an interior wall surface of the body, the regulation member having a passage opening for the inlet of gas from an exterior surface to an interior cavity of the regulation member, the passage opening moving with an angular rotation of the regulation member. The groove and passage opening are shaped, dimensioned and positioned relative to one another such that the regulation of an intermediate gas flow Qgra (a flow between Qmax and Qmin) is proportional to the angular displacement of the rotatable regulation member. | 06-04-2009 |
| 20080314090 | Control device for a washing machine - A device and method for controlling a drainage pump of a washing machine. The drainage pump is powered by a synchronous motor that is connected to a mains voltage bus by a switch. During one or more stages of a washing program the switch is operated to apply in each half cycle of the mains voltage a delay time from the zero setting of the mains voltage to cause the motor to operate in a cut-wave mode. | 12-25-2008 |
| 20080236689 | Gas Valve Assembly for a Barbecue - A gas valve assembly for a barbecue is provided. The assembly includes a distributor that has a gas inlet conduit and a diversion conduit connected to the inlet conduit, the diversion conduit comprising branches through which a gas is distributed and including at least one branch, an internally threaded first part and a substantially conic frustrum second part, and a control valve adapted for connection to a burner, the control valve comprising a main body and a connection conduit which is fixed to the at least one branch of the diversion conduit, wherein the connection conduit has a cylindrical externally threaded first segment and a substantially conic frustrum second segment. The first segment is threaded in the first part, and the second segment is compressed when it moves along the second part until the control valve is correctly positioned in relation to the distributor thanks to grooves disposed axially on the surface of the second segment. | 10-02-2008 |
| 20080236688 | Gas Valve Assembly for a Barbecue - A gas valve assembly for a barbecue is provided. The assembly includes a distributor that has a gas inlet conduit and a diversion conduit connected to the inlet conduit, the diversion conduit having branches through which the inlet gas is distributed, and control valves adapted for their connection to a burner, each control valve having a main body and a connection conduit extending therefrom. The connection conduit of each control valve is partially housed inside a respective branch of the diversion conduit. Retainers that are independent to the connection conduit and the distributor pass through grooves or holes in the respective branches and connection conduits to affix, or to ensure fixation, of the valves to the distributor. | 10-02-2008 |
