ELECTRIC MOTOR INTEGRATED HYDRAULIC MOTOR

摘要

The present invention provides a small-size light-weight electric motor integrated hydraulic motor which is simple in configuration, integrally includes an electric motor and a hydraulic motor, and is capable of efficiently operate, by being configured such that: a swash plate type hydraulic motor (2) and an electric motor (7) driven by the swash plate type hydraulic motor (2) are provided in one casing (4); the casing (4) is filled with oil; a driving shaft (3) of the swash plate type hydraulic motor (2) is configured to extend from a front end portion of the casing (4) up to a rear end portion thereof and be supported at the front and rear end portions of the casing (4); the swash plate type hydraulic motor (2) and a rotor (16) of the electric motor (7) are provided in series at the driving shaft (3); and a stator (18) of the electric motor (7) is fixed to an inner side portion of the casing (4).