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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7891972 | Gas regulating fitting The aim of the invention is to create a gas regulating fitting which, once a gas stove has been successfully started up, can switch the pilot burner into the off position when the main burner is in the off position, in order to maintain the power consumption of the ... | 02/22/2011 |
| 7238020 | Device for controlling hydrogen flow of hydrogen storage canister A control device for controlling hydrogen flow of a hydrogen storage canister accommodated in a canister containing chamber includes a heating device which is connected to a heating fuel storage tank via a heating fuel supplying pipeline for conveying a heating fuel... | 07/03/2007 |
| 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 |
| 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 assembly, a first and second solenoid valves, a first and second valve bodie... | 08/23/2005 |
| 6920377 | Self-sustaining control for a heating system A self-sustaining control for a heating system, having conventional operational modes and pilot burner assembly, is disclosed. A controller directs operation in accordance with a need-based protocol and monitors the condition of a storage device, which provides syst... | 07/19/2005 |
| 6364656 | Gas burner A gas burner includes a gas valve block having a gas input control part connected to a fuel gas source and a gas output control part connected to a flame tube and gas nozzle for producing an igniting flame for burning fuel gas outputted through the flame ... | 04/02/2002 |
| 5931655 | Temperature control system with thermoelectric and rechargeable energy sources A temperature control system for a gas-fired appliance which uses a thermoelectric device to develop power for recharging a primary energy source, such as a rechargeable battery. The present invention provides a reliable and efficient system for controlli... | 08/03/1999 |
| 5816791 | Apparatus for controlling gas supply An apparatus for controlling gas supply includes a battery supply, a pilot seat on which are mounted a thermopile, a pilot burner, a spark generator and a detector, a pilot valve, a main burner valve, an auxiliary burner valve, and a control board includi... | 10/06/1998 |
| 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 |
| 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 |
| 5577905 | Fuel control system, parts therefor and methods of making and operating the same A fuel control system, parts therefor and methods of making and operating the same are provided, the fuel control system comprising an ignition unit for igniting fuel issuing from a burner, and a flame detecting unit for detecting flame at the burner, the... | 11/26/1996 |
| 5538416 | Gas burner controller with main valve delay after pilot flame lightoff A controller for a gas burner system compensates for the tendency of a flame rod sensor in the burner system to on occasion provide a spike in its signal on first lightoff of a pilot flame, by delaying the signal which causes opening of the burner system'... | 07/23/1996 |
| 5435717 | Burner control system with continuous check of hot surface ignitor during run cycle A fuel valve and ignitor control system in which pull-in current for a fuel valve operating on rectified alternating current is supplied through a first normally open relay whose coil is connected in series with normally open contacts of a second relay an... | 07/25/1995 |
| 5348466 | Heat exchanger system, fuel control system therefor and methods of making the same A heat exchanger system, a fuel control system therefor and methods of making the same are provided, the fuel control system having an electrical circuit means that comprises an ignition trial portion, a flame sensing control portion and a timer portion t... | 09/20/1994 |
| 5297535 | Ignition device for water heaters This invention relates to an ignition device for water heaters and in particular to one including a body portion, a water container including a diaphragm fixedly mounted on the bottom of the body portion and having a lift rod extending into the body porti... | 03/29/1994 |
| 5209655 | Heat exchanger system, fuel control system therefor, and methods of making the same A heat exchanger system, a fuel control system therefor and methods of making the same are provided, the fuel control system having an electrical circuit means that comprises an ignition trial portion, a flame sensing control portion and a timer portion t... | 05/11/1993 |
| 5158447 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 10/27/1992 |
| 5141431 | Heat exchanger system, fuel control system therefor A heat exchanger system, a fuel control system therefor and methods of making the same are provided, the fuel control system having an electrical circuit means that comprises an ignition trial portion, a flame sensing control portion and a timer portion t... | 08/25/1992 |
| 5127823 | Control system for a gas furnace, control device therefor and methods of making the same A control system for a gas furnace, control device therefor and methods of making the same are provided, the system comprising an electrical circuit that has a metal oxide varistor therein that is adapted to interconnect one end of a secondary winding of ... | 07/07/1992 |
| 5035607 | Fuel burner having an intermittent pilot with pre-ignition testing A fuel burner includes an electrical igniter which lights a pilot burner which then lights the main burner. Operation of each of these steps is monitored, and if any are improper, the control device reverts to lighting the pilot burner with the main burne... | 07/30/1991 |
| 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 |
| 5018964 | Remote-controlled gas barbeque igniting system A remote-controlled system for igniting a gas barbeque unit and the like is shown. The system controls the gas flow to the pilot lighter and the burner of the barbeque unit, and generates a spark to ignite the pilot lighter and in turn the burner. The sys... | 05/28/1991 |
| 4971549 | Fuel control unit for a gas furnace and method of making the same A control unit for a gas furnace that has an electrically operable pilot gas valve and an electrically operable main gas valve and a method of making the control unit are provided, the control unit comprising an electrical circuit having a gas valve secti... | 11/20/1990 |
| 4915614 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 04/10/1990 |
| 4906177 | Electronic controller for fluid fuel burner Electronic control system for an oil burner has a primary direct current power source controlled by a thermostat and a secondary direct current power source independent of the thermostat. A first relay is in circuit with the oil burner motor to energize t... | 03/06/1990 |
| 4887959 | Gas furnace with improved ignition A furnace employing a plurality of spaced burners, a carryover tube passing adjacent the burners, a hot surface igniter at one end of the carryover tube, a flame sensor at the other end of the carryover tube and an ignition control for controlling actuati... | 12/19/1989 |
| 4865539 | Fuel control unit for a gas furnace and method of making the same A control unit for a gas furnace that has an electrically operable pilot gas valve and an electrically operable main gas valve and a method of making the control unit are provided, the control unit comprising an electrical circuit having a gas valve secti... | 09/12/1989 |
| 4836770 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 06/06/1989 |
| 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 |
| 4789329 | Thermostatically operated fuel valve control circuit A control circuit for a fuel valve in a gas fired furnace controlled by an electronic thermostat is disclosed. The thermostat requires a load current to properly operate, and a pickup and hold circuit along with a time delay circuit are integrated to cont... | 12/06/1988 |
| 4778378 | Self-powered intermittent ignition and control system for gas combustion appliances A self-powered control system for a gas-fired appliance having a pilot burner and a main burner includes an emissive surface in the flame of the pilot burner and a photovoltaic device for irradiation from the emissive surface for providing electrical powe... | 10/18/1988 |
| 4773847 | Thermoelectric field burner A liquid-fueled thermoelectric field burner operable in two modes, a start-up mode and a steady-state mode. A rechargeable battery backed up by a manually operated generator permits cold start-up of a preheat burner followed by operation of a main burner ... | 09/27/1988 |
| 4755133 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 07/05/1988 |
| 4689006 | Spark ignition system with positive suppression of spark when pilot flame is sensed A spark ignition system for a pilot flame uses a flame sensing rod to switch ac voltage from a spark generator to a main valve, thereby providing positive suppression of spark generation once the pilot flame is sensed. A main oscillator activated by a fla... | 08/25/1987 |
| 4680005 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 07/14/1987 |
| 4652231 | Gas control circuit An improved electrical circuit for controlling the operation of a gas solenoid valve which regulates the flow of gas to a burner. Field effect transistors, whose operation is controlled by a flame rectification circuit and/or a timing circuit, directly co... | 03/24/1987 |
| 4626192 | Primary gas furnace control A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main va... | 12/02/1986 |
| 4581697 | Controller for combustible fuel burner A microprocessor-based burner control apparatus includes an input stage adapted for controllably generating an input signal which is repetitively transitional between a first logic state and a second logic state. A synchronously controlled output stage in... | 04/08/1986 |
| 4565519 | Burner ignition system An electronic ignition system for a gas burner is battery operated. The battery voltage is applied through a DC-DC chopper to a step-up transformer to charge a capacitor which provides the ignition spark. The step-up transformer has a significant leakage ... | 01/21/1986 |
| 4565520 | Recycling pilot ignition system An improved system including a circuit for igniting a pilot burner each time heat is called for by a thermostat. The main burner is ignited by the standing pilot upon detection of pilot ignition. Trial ignition over a limited period of time is provided. M... | 01/21/1986 |
