Importance

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Abstract

This invention relates to a chargeable fan heater capable of operation without external power supply, having a burner for burning fuel to produce hot combustion gas, a sterling engine having a shaft and for producing shaft works by the thermal energy from the hot combustion gas, a fan for discharging the hot combustion gas to spaces to be heated, a combined motor-generator connected to the sterling engine and for supplying shaft works to the shaft in starting of the fan heater and generating electricity by the shaft works of the sterling engine during normal operation of the fan heater after starting, a battery for supplying power to the combined motor-generator and being charged by the electricity generated in the combined motor-generator, and a control box for controlling the supply of power to the electric parts of the fan heater necessary for operation of the fan heater, burning of the burner and, the combined motor-generator to act as a motor in starting and as a generator after starting, of the fan heater.

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First Claim