ANTI-FRICTION BEARING DEVICE FOR MOTOR, AND MOTOR PUMP USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an anti-friction bearing device for motors that enables a motor to be reduced in size and a motor pump using this anti-friction bearing device.

SOLUTION: The motor pump 10 includes the anti-friction bearing device 40 for motors having: an annular protrusion 42 that is protruded toward the inner face 21c of the bottom of a motor housing 21 by folding part of the bottom 21a of the motor housing 21 inward of the motor housing 21; and an anti-friction bearing section 41 that is provided inside the annular protrusion 42 and supports a rotor shaft 22.

COPYRIGHT: (C)2007,JPO&INPIT