PURPOSE: To make a rice boiler in a compact size and improve cooling efficiency and operating efficiency as compared with a conventional rice boiler using an inverter by overcoming the disadvantage of operating efficiency caused by the disadvantage of cooling efficiency and large number of parts in a rice boiler using an inverter.
CONSTITUTION: A switching element 2 for oscillating an inverter and a power supply rectifying diode bridge 4 are provided on a printed board, and a cooling fin 8 is fitted thereto. Thus fitted cooling fin 8 is installed near a cooling fan 5 to perform cooling. In the prior art, the power supply rectifying diode bridge 4 is remote from the cooling fan 5, so that the cooling efficiency is bad. The switching element 2 for oscillating an inverter and the power supply rectifying diode bridge 4 are, however, fitted to one cooling fin 5 and made close to the cooling fan 5, whereby the cooling efficiency can be increased and the working efficiency can be imporoved by reducing the number of cooling fins.
SUGIHARA MICHIMASA
KONNO SETSUZOU
KATAKASU MAKOTO
