Pilotless, unplugged combustion control system
a technology of combustion control and pilotless power supply, which is applied in the direction of combustion process, combustion regulation, fuel supply regulation, etc., can solve the problems of increasing the cost of water heater power connection by about $100, and the cost of initial power supply to the water heater by approximately $150, so as to reduce standby power consumption, improve system efficiency, and reduce energy consumption
Inactive Publication Date: 2014-06-19
GAS TECH INST
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Benefits of technology
[0015]The primary benefits of this invention include higher system efficiency and lower energy consumption due to the elimination of the pilot burner used with conventional systems, reduced standby power consumption, reduced emissions, avoidance of electric line power use, and stable and safe operation during power outages. Whereas conventional self-generating technologies rely on pilot burners as a primary source for thermoelectric generation, the system of this invention employs a burner for this purpose that is constantly on during heating of the material to be heated. In addition, whereas conventional self-generating technologies may rely on other power sources or battery change out during the life of the appliance, the system of this invention requires no external energy sources and no battery change out.
Problems solved by technology
However, a powered connection adds about $100 to the cost of the water heater and the cost of initially bringing power to the water is approximately $150.
Method used
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[0022]The invention disclosed herein is a combustion control system for fuel-fired heating equipment and appliances which conventionally employ a pilot burner and pilot flame for ignition of the main burner employed therein, including gaseous fuel-fired residential and commercial water heaters and gas-fueled fireplaces, which eliminates the need for a pilot burner and pilot flame. Although the system generally is described herein for use with a water heater, it will be appreciated that the system as described may be employed in any heating apparatus or appliance which conventionally uses a pilot flame and burner for main burner ignition, and such applications are to be understood to be within the scope of this invention. Included within the range of applications to which this invention may be applied are residential, commercial, and industrial water heaters, residential and commercial space heaters and wall furnaces, residential and commercial stoves and ovens, gas-fired fireplaces ...
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A self-powered combustion control system having a burner and a fuel supply control valve connected with the burner. The fuel supply control valve includes ignition and hold solenoids arranged whereby energizing the ignition solenoid causes the hold solenoid to transform from a closed disposition in which no fuel passes to the burner to an open disposition in which fuel flow to the burner is initiated for igniting the burner and subsequently maintained during heating of the material to be heated. An electronic system controller is provided for controlling the ignition solenoid and an unpowered rechargeable energy storage device is provided for all of the power required to operate the combustion control system.
Description
BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]This invention relates to an automatic, self-sufficient combustion control method and system. In one aspect, this invention relates to fuel-fired heating equipment and appliances. In one aspect, this invention relates to electric-powered flow control valves. In yet another aspect, this invention relates to automatically controlled, unplugged water heaters.[0003]2. Brief Description of Related Art[0004]Approximately 56 million households in the United States and Canada use a non-powered atmospheric gas fired water heater to meet their domestic hot water needs. Each water heater consumes on average about 200 therms annually. One therm is equal to 100,000 Btu (British thermal units). At 450 Btu / hr, the water heater pilot light represents 20 percent of the gas use, or about 39 therms. If it is assumed that one-third, about 6.5 therms, is unused energy, the annual total waste energy from these pilot lights is 3.6 billion cub...
Claims
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IPC IPC(8): F24H9/20F23N5/26
CPCF23M2900/13003F23N1/005F23N5/265F23N2227/36F23N2231/02F23N2235/14F23N2241/04
Inventor ZELEPOUGA, SERGUEIKALENSKY, DAVID C.SAVELIEV, ALEXEI V.
Owner GAS TECH INST
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