VANE ROTARY TYPE AIR PUMP

摘要

The invention has an object to enable oilless operation that is indispensable for a pump used to supply air to a fuel battery, to enable easy and accurate alignment between the axes of a pump mechanism and a motor, and to reduce the size of the whole pump. Used in the invention are a plate-like vane (109) made of a material having a self-lubrication property, and a front plate (111) and a rear plate (112) having a self-lubrication material on the respective slide surfaces, and a mechanical shaft (110) of the pump mechanism (102) is integrated with a motor shaft of a DC motor.