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| Number | Title | Issue Date |
| 7252502 | Method and system for combined standing pilot safety and temperature setting The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a manual pilot valve and an automatic pilot valve. The exemplary embodiments can comprise a selectable inpu... | 08/07/2007 |
| 7252109 | Safety device for a lighting valve of a gas burner A safety device (61) for a lighting valve (23) of a gas burner, comprising a starting button (36), a return spring (57), a cutoff shutter (42) controlled by the starting button (36), a control shutter (41) for a pilot... | 08/07/2007 |
| 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 |
| 6769447 | Gas control assembly A gas control assembly for controlling supply of fuel gas to a gas burner. The assembly includes a housing having an elongate body with a longitudinally extending gas flow passage, an inlet into the passage for gas communication with a manifold, and an outlet from t... | 08/03/2004 |
| 6766820 | Field adjustable pilot guard An improved pilot guard for controlling the flow of gaseous fuel to both a pilot burner and a main burner, the pilot valve comprising a housing having an inlet port, a pilot port and a main burner port; a bore extending through the housing between the pilot port and... | 07/27/2004 |
| 6082388 | Control device for gas burners The device comprises a safety valve with an actuator which can be armed manually, a regulation valve disposed in a duct downstream of the safety valve for supplying a main burner, a tapping duct for supplying a pilot burner, and a flame detector for the p... | 07/04/2000 |
| 6065484 | Burner and pilot valve safety control system The invention is an improved pilot valve for controlling the flow of gaseous fuel to both a pilot burner and a main burner, the pilot valve comprising a housing having an inlet part, a pilot port and a main burner port; a bore extending through the housin... | 05/23/2000 |
| 5967766 | Heater control system and methods of making A heater control system, parts therefor, and methods of making them are disclosed. The heater control system includes a fuel control unit having a thermocouple operated unit in the housing thereof, which has an opening therein leading to the thermocouple ... | 10/19/1999 |
| 5785511 | Control device for gas supply to main burner and pilot burner of a gas equipment In this combustion gas control device, an electromechanical control is provided for automatically controlling the supply of the gas to the pilot burner when it is being ignited and subsequently to the main burner. The device has a main chamber, a pilot ch... | 07/28/1998 |
| 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 |
| 5607294 | Device for automatically controlling the operation of a burner in general A device for automatically controlling the operation of a burner comprises an electric control unit which controls the ignition and the flame of the burner and which opens a normally-closed solenoid valve disposed in a first fuel-supply line to the burner... | 03/04/1997 |
| 5020988 | Intermittent pilot type burner control with a single control relay A burner control system for an intermittent pilot burner system uses a single pole double throw relay to control first and second electromagnetic valves respectively supplying fuel for both burners and for the main burner only. The normally open contact p... | 06/04/1991 |
| 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 |
| 4872830 | 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... | 10/10/1989 |
| 4806095 | Fuel valve control system A fail safe gas shut off system is provided for a gas appliance. Two normally closed valve stages are provided in series, with each stage operated by a bidirectional solenoid armature. When the armature moves in one direction, the first stage of the valve... | 02/21/1989 |
| 4728283 | 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... | 03/01/1988 |
| 4655803 | Burner control device and method of making the same A control device for supplying fuel to a burner and a method 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 interconnected to the burner, a contr... | 04/07/1987 |
| 4640676 | 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... | 02/03/1987 |
| 4543974 | Gas valve with combined manual and automatic operation A gas valve assembly has a safety valve and two controlled valves connected in series. A first of the controlled valves is electromatic and a second is a conventional pressure controlled valve. A control knob provides for manual control of the safety valv... | 10/01/1985 |
| 4442853 | Safety gas valve with latch A safety gas valve with latch against non-permitted reopening has the connector of the thermoelectric power unit located on the same side of the housing as the push button of the operating rod which is born shiftable and turnable in the housing. For this ... | 04/17/1984 |
| 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 |
| 4429682 | Automatic safety gas heating device A valve rod of a gas heating device actuates not only a microswitch, but also a disc valve. A pilot burner and a main burner are separately controlled by individual solenoid operated valve which is serially connected. The disc valve is provided at the ups... | 02/07/1984 |
| 4318687 | Gas burner control system A burner system of the type in which a thermocouple or like EMF-generating sensor detects the presence of a pilot flame and controls a main fuel valve to hold the latter open as long as the pilot flame remains lit. According to the invention, the main val... | 03/09/1982 |
| 4289064 | Automated cooker An automated cooker for sandwiches and the like. The automated cooker includes a pair of heating elements spaced one from the other so as to provide passage therebetween. A motor drives a conveyor which carries a plurality of individual sandwich holders t... | 09/15/1981 |
| 4242080 | Safety device for gas burners A safety gas valve for gas burners for providing a "super safe" operation wherein upon the main valve being turned to an off position and the safety valve is held in an operative position by the residual heat of the thermocouple, means is provided for pre... | 12/30/1980 |
| 4111640 | Cycling pilot burner control system with pressure switch A gas burner control system including a main burner and a pilot burner for igniting the main burner wherein the pilot burner is ignited only when the thermostat is calling for heat and gas is permitted to flow to the main burner only after the existence o... | 09/05/1978 |
| 4104016 | Cycling pilot burner control system with safety timing A gas burner control system including a main burner and a pilot burner for igniting the main burner wherein the pilot burner is ignited only when the thermostat is calling for heat and wherein a normally closed bimetal operated safety switch is effective ... | 08/01/1978 |
| 4086048 | Spark ignited recycling ignition system with interlocking gas valve control An ignition system for heating appliances which burn gas or vaporous fuels. A spark igniter is programmed to ignite a pilot burner which in turn ignites a main burner. A flame rod is used to confirm to the control circuitry that pilot ignition has taken p... | 04/25/1978 |
| 4081235 | Valve interlock It is conventional to supply current to an electromagnet from thermally responsive means including a thermocouple near a standing pilot to hold a safety valve open. Failure of the pilot then causes the safety valve to close, shutting off all combustible g... | 03/28/1978 |
| 4073611 | Control system for gas burning apparatus A control system for a gas burning apparatus having a pilot burner which is initially ignited by electric ignition means upon a need for operation of the apparatus and which in turn ignites a main burner after a flame is established at the pilot burner, t... | 02/14/1978 |
| 4060370 | Manifold gas valve with stepped flow operation A manifold gas valve for controlling gas flow to a burner has a diaphragm operated main valve, an electrically operated control valve, and means to delay the application of gas pressure to the main valve operating diaphragm to effect a delayed opening of ... | 11/29/1977 |
| 4044794 | Slow-opening gas valve A gas valve having first and second redundant valve members, disposed in a passageway between an inlet and an outlet of the valve which are individually operable to open and close respective inlet and outlet valve ports, and a pressure regulating apparatu... | 08/30/1977 |
| 3999932 | Valve assembly having leak detection apparatus A valve assembly including a gas valve having first and second redundant valve members which are individually operable to open and close respective inlet and outlet valve ports, and a pressure regulating apparatus interposed between the inlet and outlet v... | 12/28/1976 |
| 3938936 | Fluid control system A fluid control system for use with combustion apparatus including a valve assembly having first and second serially connected valves positioned between the inlet and outlet of the valve assembly. First and second actuators respectively connected to opera... | 02/17/1976 |
| 3938935 | Control systems for gaseous fuel fired appliances A control unit for a gas-fired appliance comprises a service tap that acts also as a flame failure device. The flame failure device controls gas flow to a gas governor which is an integral part of the unit and associated with the gas governor is a low gas... | 02/17/1976 |
