Dc motor type fuel pump

摘要

A dc motor fuel pump pressurizes and outputs fuel at a pump section ( 20 ) fixed to a yoke ( 3 ) of a motor section ( 10 ) accompanied by drive of a dc motor of mentioned motor section ( 10 ). The yoke ( 3 ) includes a first tubular yoke ( 4 ) provided with a ring-shaped magnet ( 2 ) of rare earths on an inner circumference and a second tubular yoke ( 5 ) provided on an outer circumference of the first tubular yoke ( 4 ) at a position conforming to the magnet. ( 2 ).