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| Number | Title | Issue Date |
| 7428901 | Cooking stove A cooking stove that prevents the execution of a process such as ignition of a burner when a touch switch changes from a non-sensing state to a sensing state. In STEP201, when a first touch switch, which is one of the touch switches provided in an operation, ... | 09/30/2008 |
| 7422010 | Cooking stove A cooking stove that prevents a burner from being ignited when a touch switch shifts from a non-sensing to a sensing state. An operation portion having a touch switch is provided on a glass top plate of a cooking stove main body which accommodates burners. The touch... | 09/09/2008 |
| 7370649 | Cooking stove A touch switch which prohibits a child from actuating heating means, while permitting a child to deactivate heating means. A cooking stove including an electrical capacitance operation switch 10 which switches the cooking stove between an operation state in w... | 05/13/2008 |
| 7319577 | Safety shut off for water heaters A water heater includes a gas valve and a solenoid to operate the gas valve. A thermocouple of the water heater is heated by a pilot light to provide a current source to maintain the gas valve in an open position. A sensor activated switch switches current from a se... | 01/15/2008 |
| 7148454 | Systems for regulating voltage to an electrical resistance igniter Systems and methods for energizing an electrical resistance igniter include determining the line voltage into the system and controlling the voltage being applied to the electrical resistance igniters so a first voltage is applied initially and for a time period and... | 12/12/2006 |
| 7044729 | Gas burner control for a bake oven The system (1) for controlling the combustion (7) of a cooking oven burner (2), comprises in combination a thermostat valve (3) with a rotary hand knob (4) and a non-electric temperature sensor (6) for modulating the burner ... | 05/16/2006 |
| 6942482 | Combustion control device A safety circuit 31, which compulsorily closes an on-off valve for supplying a gas to a burner when a microcomputer for performing a combustion control is in an abnormal condition, does not operate unless abnormality occurs to the microcomputer 1, and ... | 09/13/2005 |
| 6929465 | Timer circuit for valve activation in oil burner system The present invention is directed to an oil burner system having an electric cord set coupled between a controller and a valve associated with a pump. The electric cord set is operable to activate a solenoid valve associated with the pump for delivery of fuel oil to... | 08/16/2005 |
| 6698417 | Device for obtaining rapid ignition of a cooking hob gas burner fed via a gas pipe provided with a solenoid safety valve A device for obtaining rapid ignition of a gas burner of a cooking hob fed via a gas pipe provided with a solenoid safety valve, with said burner there being associated a usual igniter and a knob for controlling its activation, the solenoid valve being co... | 03/02/2004 |
| 6666676 | Programmable burner for gas stoves A programmable burner for gas stoves, which is constituted by a gas burner and a safety valve that includes a thermocouple, which is located in coincidence with an external edge of the burner. The safety valve is maintained open when the thermocouple is d... | 12/23/2003 |
| 6474979 | Device and method for triggering a gas furnace ignitor An ignitor controller and method of providing the same triggers an ignitor switch of a gas appliance, such as a furnace, subsequent to the zero-crossing of the line voltage, but before the voltage exceeds +/-five volts. This effectively reduces EMI levels... | 11/05/2002 |
| 6217312 | Ignition system for a gas appliance An ignition system for a gas appliance comprises an ignition controller that receives a current from a power source. The ignition controller is also coupled to an ignitor and to a current actuated valve that releases a flow of gas when the current is grea... | 04/17/2001 |
| 6168418 | Ignition system with delay switch for a gas appliance An ignition system for a gas appliance comprises an ignitor for igniting gas, a gas valve which controls the flow of gas to the ignitor, and a delay switch which delays the opening of the gas valve. The delay switch comprises a piston and a cylinder which... | 01/02/2001 |
| 5951276 | Electrically enhanced hot surface igniter An electronic control circuit (10) for a gas oven including a hot surface igniter (24) which is heated through the application of electrical current to a temperature sufficient to ignite gas supplied through an electrically actuable gas valve (26). The ap... | 09/14/1999 |
| 5865612 | Hot surface ignitor An ignition circuit and method for a hot surface ignitor. The ignition process and apparatus enforces a short warm-up period for the hot surface ignitor where approximately half power is supplied at start-up to the ignitor until the ignitor warms to a poi... | 02/02/1999 |
| 5455390 | Microelectronics unit mounting with multiple lead bonding A component for mounting semiconductor chips or other microelectronic units includes a flexible top sheet with an array of terminals on it, and with flexible leads extending downwardly from the terminals. A compliant dielectric support layer surrounds the... | 10/03/1995 |
| 5421719 | Catalytic combustion apparatus and method A self-heating type catalytic combustion apparatus and method for igniting catalyst mass effectively within a short period of time and under a clean state and for realizing pleasant heating and having a long life-span of catalyst mass. The self-heating ty... | 06/06/1995 |
| 5403182 | Control system for gas fired heating apparatus using double-throw radiant heat sensing switch A control system for a gas fired heating apparatus which apparatus includes a burner, two gas valves and a hot surface igniter, and which control system includes a single-pole, double-throw radiant heat sensing switch having normally-closed contacts which... | 04/04/1995 |
| 5364260 | Fuel control system, control means therefor and methods of making the same A fuel control system, a control unit therefor and methods of making the same are provided, the system comprising a control unit that reduces the length of the warm-up time period of an igniter in subsequent successive burner cycles in which ignition is s... | 11/15/1994 |
| 5169301 | Control system for gas fired heating apparatus using radiant heat sense A control system for a gas fired, direct ignition, induced draft furnace includes a radiant heat sensing switch responsive to a hot surface igniter and burner flame, a single-pole, double-throw pressure switch responsive to fluid flow effected by the indu... | 12/08/1992 |
| 4934925 | Gas ignition apparatus A spark ignition system for a heater-type ignitor is disclosed. Current through the ignitor is transformed into a voltage which is utilized to operate a timing circuit which, in turn, causes operation of a valve permitting the flow of fuel to a burner. Op... | 06/19/1990 |
| 4925386 | Fuel burner control system with hot surface ignition A gas burner control system includes an electrical resistance igniter, gas valve means, and a microcomputer and related circuitry. The microcomputer and related circuitry control energizing of the igniter in such a manner so that the igniter, after succes... | 05/15/1990 |
| 4746284 | Hot surface direct ignition system for gas furnaces A low cost hot surface ignition system particularly adapted for use in gas furnaces and the like, the system including low voltage control and timing circuitry effective to control a gas valve and high voltage ignition circuitry incorporating a hot surfac... | 05/24/1988 |
| 4615282 | Hot surface ignition system control module with accelerated igniter warm-up test program A control module in a hot surface ignition system includes a microcomputer programmed to provide a pre-selected igniter warm-up time period for enabling the igniter to heat up to gas ignition temperature during normal system operation, and is further prog... | 10/07/1986 |
| 4614993 | Operation control apparatus in a combustion device An operation control apparatus, in a combustion device, comprising an operation member (4) selectively settable at a stop position (A), an ignition position (B) or an open position (C); an electric member (10) and/or (15) which is energized by an electric... | 09/30/1986 |
| 4455589 | Fuel valve latch out system An electrical control system including a source of electrical power and an electrical load coupled together by a power switch having alternate circuit open and circuit closed conditions. A closure means activates the power switch to a circuit closed condi... | 06/19/1984 |
| 4306853 | Direct ignition gas burner control system with diode steering circuitry A gas burner control system includes a main burner, two electrically controlled valves connected fluidically in series with the burner, an electrical resistance igniter, a temperature responsive switch, and a diode steering circuit for controlling energiz... | 12/22/1981 |
| 4298335 | Fuel burner control apparatus A fuel burner control system including a valve for controlling the flow of fuel to a burner, a resistive heater element for igniting fuel, a power supply for supplying current to the heater element, a flame sensing circuit comprising an ac source for supp... | 11/03/1981 |
| 4190414 | Fail-safe gas feed and ignition sequence control apparatus and method for a gas-fired appliance A fail-safe apparatus and method for controlling the sequence of gas feed and ignition, such as by an incandescent igniter, in a gas-fired appliance, such as a thermostatically controlled timer activated clothes dryer. When the appliance is activated by t... | 02/26/1980 |
| 4188181 | Gas burner control system A gas burner control system utilizes an electrical resistance igniter to ignite a main burner. Electronic sensing means is located adjacent the burner and adjacent a portion of the igniter where opposite voltage polarity exists between the igniter and sen... | 02/12/1980 |
| 4150938 | Control unit for a gas burner A control system for a gas burner of a domestic hot water system has a normally closed gas valve for controlling the supply of gas to the burner, and an electric solenoid for actuating the valve when energized by current of a first predetermined value. Th... | 04/24/1979 |
| 4056348 | Glow coil ignition system with flame sensing The heat from an electric resistance igniter is used both (1) to start fuel flow to a burner after ignition temperature, and (2) to stop the fuel flow after a delay in the event of flame failure.... | 11/01/1977 |
| 4034270 | Self-inhibiting spark generating arrangement A fuel ignition control arrangement for use in a fuel ignition system includes a control circuit responsive to a thermostatically-controlled circuit element for the fuel ignition system for causing a gaseous fuel to be supplied to burner apparatus of the ... | 07/05/1977 |
| 4019853 | Automatic fuel ignition apparatus An apparatus for fluid fuel ignition which consists essentially of an igniter which reaches a temperature above the ignition temperature of the fuel when sufficient electricity from an electrical source passes through the igniter and which igniter remains... | 04/26/1977 |
| 4002419 | Direct burner ignition system A direct ignition system for a fuel burner of the type having an igniter, which is mounted proximate to a burner, connected electrically in series with the fuel valve actuator. The system utilizes a voltage sensitive thermal switch which electrically bypa... | 01/11/1977 |
| 3981674 | Control circuit and adjustable valve for a gas appliance A control circuit for a gas appliance includes ignition and hold circuits, the former providing for series energization of the heater of a thermal fuel valve and an electric igniter positioned proximate the appliance burner port area for ignition of the g... | 09/21/1976 |
