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US 2012/0230850 A1Published application
Electric pump unit
AssigneeJtekt Corporation
InventorsAkihiko KAWANO, Hiroki KAGAWA
Life of this patent
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Abstract
A motor housing that accommodates a pump-driving electric motor and a controller that controls the electric motor is fixed to a pump body of a pump that sucks and discharges oil. A sealed motor chamber that accommodates the electric motor is formed within the motor housing. A cooling oil is filled in the motor chamber,
Claims5
An electric pump unit comprising:
- a pump that sucks and discharges an oil, and that includes a pump body;
- a pump-driving electric motor;
- a controller that controls the pump-driving electric motor;
- a motor housing that has a sealed motor chamber that accommodates the pump-driving electric motor and the controller, the motor housing being fixed to the pump body;
- and
- a coolant filled in the motor chamber.
3 more elements
Dependencies are inferred from the claim text.