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| Number | Title | Issue Date |
| 6345768 | Control valve for vessel gas water heater A control valve for a vessel gas water heater includes a single governor for controlling a wider range of the flow of gas from pilot supply to main supply. Once an ignition knob 1 is pressed and turned to open the magnetic valve V1 and ignite t... | 02/12/2002 |
| 6010327 | Fuel control system, parts, and methods of making A fuel control system, parts therefor, and methods of making are provided. The fuel control system includes a fuel control valve unit (FCU) and a fuel conduit having an end secured in a fuel outlet opening in a housing of the fuel control valve unit. The ... | 01/04/2000 |
| 5674065 | Apparatus for controlling the supply of gas to and heat from unvented gas heating appliances This invention relates to the operation of unvented gas fired appliances and enhances the safety of effectively controlling the flow of gases to an unvented gas heater, such as gas fired fireplace logs, while enabling a thermostat to control the temperatu... | 10/07/1997 |
| 4975043 | Burner control device, system and method of making the same A control device for supplying fuel to a burner means, a system therefor and methods of making the same are provided, the device comprising a housing having an inlet for being interconnected to a source of fuel and having an outlet for being interconnecte... | 12/04/1990 |
| 4802841 | Operation apparatus An apparatus which is operated for opening and maintaining the flow of a gaseous fuel to a burner only after the fuel is ignited in a gas appliance, such as a gas room heater. More specifically, the apparatus has a lever with three operating positions, a ... | 02/07/1989 |
| 4770629 | Status indicator for self-energizing burner control system A self-energizing burner control system for a fuel burner is accomplished by heat from a pilot flame energizing a thermoelectric generator. The thermoelectric generator supplies power to an oscillator. The oscillator has an output that is stepped up in vo... | 09/13/1988 |
| 4529373 | Burner safety ignition system allowing for electrical and manual operation A system is provided for igniting and monitoring a fuel burning heat source which comprises a thermoelectric safety burner valve, a thermocouple to be heated by a pilot burner, a fuel source feeding fuel to a pilot feed valve and to a main burner feed val... | 07/16/1985 |
| 4511326 | Gas-supply system for catalytic gas burners A catalytic gas burner, as used e.g. in a mobile space heater, comprises a valve housing divided by at least two poppet valves into three or more cascaded chambers. One chamber communicates with a gas inlet and is normally closed by a first poppet valve w... | 04/16/1985 |
| 4437830 | Burner and pilot valve safety control system The movable elements of two normally closed valves are actuated by a thermal element responsive to ignition at a pilot burner supplied fuel through one of the valves. The two valve elements form a mechanical train from the thermal element which simultaneo... | 03/20/1984 |
| 4413975 | Combination control with high/low pilot gas flow A combination control for main and pilot burners of gas burner apparatus wherein a thermostatically controlled redundant simultaneously controls the supply of gas to pilot burner and main burner gas outlets. A pilot flow passage has a first branch passage... | 11/08/1983 |
| 4360338 | Control system for dual coil pilot valve burner system There is disclosed a control system for a gas burner appliance having an interrupted pilot burner operation. The system employs serially-connected first and second (main) electromagnetic operated valves. The first valve has a dual coil construction with a... | 11/23/1982 |
| 4355970 | Pressure responsive safety valve for gas burner A safety device for a gas burner comprises a first ignition nozzle 31 in a pilot burner 3, an inflammable gas guide tube 32 facing the first ignition nozzle, a second ignition nozzle 33 at the end of the guide tube oriented toward a main burner 2, a press... | 10/26/1982 |
| 4285662 | Gas burner control mechanism There is disclosed a control system for a gas fired main and pilot burner assembly of an appliance. The assembly comprises first and second serially connected gas control valves for installation in the gas line to the main burner. A bypass conduit is prov... | 08/25/1981 |
| 4255118 | Electric ignition system There is disclosed a control system for ignition and operation of a combustible gas burner for heating appliances. The control system is intended for use with fuel burners having interrupted or discontinuous pilot burner operation. The control system util... | 03/10/1981 |
| 4106889 | Burner ignition system There is disclosed an electrical control system for the ignition of a burner such as a burner for household appliances having an interrupted pilot burner operation. The pilot burner is supplied with fuel by the first control valve which is activated open ... | 08/15/1978 |
