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7670137 |
Gas pressure ignition assembly
An automated ignition assembly for a gas-fueled appliance includes a pressure plate positioned between an upper bellows and a lower bellows, each of which is in selective communication with a fuel...
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6932101 |
Solenoid valve assembly for controlling gas supply
A solenoid valve assembly for controlling gas supply and opening and closing gas supply with a regulation function generally includes a solenoid valve assembly having a housing, a diaphragm...
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6247921 |
Apparatus for generating a spark
An apparatus for generating a spark, particularly for igniting the gas in a gas appliance. The apparatus includes a spark generator adjacent to a combustible gas burner. The spark generator...
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5941236 |
Roofing kettle control apparatus
Roofing kettle apparatus for heating asphalt includes a wheeled chassis mounting a vat and a heating system for heating the vat. The heating system includes a solenoid operated valve for...
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5752817 |
Fuel gas supply and ignition system with single valve
A fuel enriched ignitor for a fuel gas burner appliance wherein a fuel enricher tube is provided with a coupling having a threaded insert which, by way of a metering orifice, matches the enricher...
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5722823 |
Gas ignition devices
In a gas appliance, such as a domestic gas fire or heater, there is provided a gas ignition device comprising a solenoid actuator which is electrically operable to cause a gas valve to initiate a...
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5704775 |
Auxiliary igniter and control for a furnace
A furnace for combustible fuels that incorporates a main igniter and an auxiliary back-up igniter for igniting the fuel. When power is applied to the main igniter, a sensor detects whether or not...
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5462431 |
Ignitor with metering orifice insert
A fuel enriched ignitor for a fuel gas burner appliance wherein a fuel enricher tube is provided with a coupling having a threaded insert which, by way of a metering orifice, matches the enricher...
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5194718 |
Method for connecting a glow plug for operation at two different voltages
A method for providing uniform thermal output from a glow plug for use in an auxiliary heater of a motor vehicle having either a 12 volt or 24 volt power supply without the use of multiplier...
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4490106 |
Safety device for igniting fuel gases discharged by a flare
Safety device for igniting fuel gas discharged by the orifice of a flare stack, incorporating a pilot light whose nozzle issues into the vicinity of the orifice of the flare, said pilot light which...
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4435150 |
Gas burner control system
Upon a call for heat, gas flows to a pilot burner, a spark generating circuit is energized to ignite the pilot burner, and an oscillator is energized. When flame appears, the output signal of the...
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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...
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4239480 |
Fluid bed furnace and pilot light assembly
An improved fluid bed furnace which includes a new and improved pilot light assembly and which is of the type having a fluid bed comprising material which fluidizes upon being subjected to a flow...
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4168141 |
Safety ignition means for burner installations
Safety ignition means for burner installations having a solenoid of a solenoid operated valve connected to a power source through a normally opened relay switch. The relay switch has a hold coil...
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4147496 |
Safety ignition means for burner installations
Safety ignition means for burner installations having a first solenoid operated valve for a pilot burner, a second solenoid operated valve for a main burner, and an electric heater for igniting the...
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4102628 |
Control apparatus for gas burning appliance
A control apparatus for a fanned, gaseous fuel-burning appliance, such as a water boiler for a domestic central heating system; the control apparatus includes electrical circuitry comprising first...
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4087229 |
Automatic fuel ignition system with redundant flame sensing
An automatic fuel ignition system has a spark generator for igniting a pilot burner and two separate pilot flame sensing systems to provide a redundant safety check of flame ignition before the...
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4087230 |
Fuel ignition system providing fuel shutoff under simultaneous failure conditions
A control arrangement for a fuel ignition system including redundant pilot and main valves, includes a thermal heat sensor mounted on a heat exchanger or in an exhaust stack of main burner...
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4080154 |
Gas burner control system with cycling pilot
In a gas burner control system a normally closed, electromagnetically opened first valve has primary control of gas flow to pilot and main burners and the application of gas pressure to cause a...
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4077762 |
Fuel ignition system having contact interlock protection
A control arrangement for a fuel ignition system for providing an interlock on start-up to prevent the energization of fuel valves of the system under certain failure conditions includes a...
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4070143 |
Fuel ignition system including an igniter providing a lingering spark
A fuel ignition system including a control arrangement which provides an interlock on start-up to prevent the energization of fuel valves of the system under certain failure conditions, and an...
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4059386 |
Combustion heating apparatus to improve operation of gas pilot burners
A gas pilot burner arrangement in which only air from the blower discharge plenum connected to the main gas burner is initially supplied to the pilot burner to mix with gas being supplied to the...
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4035134 |
Electronic valve seat leak detector
An automatic fuel ignition system which provides automatic detection of a leak condition for a pilot valve which is operable to supply fuel to a pilot burner for ignition to establish pilot flame...
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3975135 |
Burner control system with cycling pilot burner
A gas burner control system in which closure of a space thermostat causes energization of an electromagnetic actuator to supply fuel to a pilot burner and effect the operation of an igniter to...
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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....
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3844704 |
BURNER AND IGNITION SYSTEM
A burner assembly including a burner tube having a flame-supporting end and an upstream ignition port which has a scoop-shaped baffle associated therewith for emitting a turbulent slip stream of...
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3695811 |
PILOT AND MAIN FUEL GAS SUPPLY MEANS FOR PRESSURIZED GAS-FIRED SPACE HEATER
This invention provides novel means for supplying pilot and main fuel gas to the fuel gas-combustion air mixing area of a gas-fired space heater employing pressurized combustor means. The...
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3692014 |
PILOT AND MAIN FUEL GAS SUPPLY MEANS FOR PRESSURIZED GAS-FIRED SPACE HEATER
This invention provides improved means for supplying pilot and main fuel gas to the fuel gas-air mixing area of a gas-fired space heater employing pressurized combustor means to produce a highly...
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3622257 |
IGNITER FACILITY
A main gas burner has a plurality of parallel rows of individual burners. An igniter burner tube extends normal to said rows and has an igniter flame port at each of said rows. An electrical...
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3519376 |
FUEL BURNER CONTROL USING SILICON CONTROLLED RECTIFIER SPARK GENERATION AND THERMOCOUPLE ACTUATED REED SWITCH
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3501253 |
AUTOMATIC IGNITION SYSTEMS
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RE26167 |
Title is not available
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3387603 |
Burner controls
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3369588 |
Method of furnace supervision
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3242968 |
Gas valve
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3240257 |
Fuel control system
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3191661 |
Electric ignition gas control system
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3045744 |
Burner assembly
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3026867 |
Solution heating apparatus and system
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2942478 |
Control device
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2874763 |
Unburned fuel detection and burner control
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