Electric pump unit

摘要

A motor housing (6) that accommodates a pump-driving electric motor (3) and a controller (4) that controls the electric motor (3) is fixed to a pump body (5) of a pump (2) that sucks and discharges oil. A sealed motor chamber (38) that accommodates the electric motor (3) is formed within the motor housing (6). A cooling oil (C) is filled in the motor chamber (38).