| 摘要 |
PROBLEM TO BE SOLVED: To improve portability of a heater for vaporizing and burning a fuel by reducing the number of batteries and lightening the heater when cordless structure is provided by using the batteries. SOLUTION: The heater comprises a burner unit 19 having a heater 18 for heating a vaporizer 17, an igniting means 21, a fuel pump 23, an air supply means driven by a DC motor 24, batteries 26 and a DC power source 27. When the heater is ignited in a cordless operation, an AC power is applied to the heater, the vaporizer is heated, the igniting means, the pump and the motor are driven by the DC current from the batteries or the DC power source, and warm air is supplied to a room. Since the current of the batteries is not used for heating the vaporizer, the number of the batteries can be reduced, and the heater having a light weight and the portability is realized. |
