MOTOR FOR HYDRAULIC PUMP DRIVE

摘要

PROBLEM TO BE SOLVED: To provide a motor for hydraulic pump drive superior in airtightness. SOLUTION: A yoke housing 4 is composed of a resin molding, a magnet 7 and a metal bearing 8 is molded on the yoke housing 4 to be integrally attached. A ventilation sheet 9 is attached at an arbitrary position of the yoke housing 4 to eliminate a pressure difference between the inside and outside of the motor.