Oil pump driving device
AssigneeNtn Corporation
InventorsMasahiro Kawai, Koji Sato
Life of this patent
Estimating the term…
Abstract
An oil pump driving device includes an oil pump to be driven by either of an engine and an electric motor, and is short in axial dimension. The oil pump driving device includes a first one-way clutch for transmitting motive power from the engine only in one direction, and a second one-way clutch for transmitting motive power from the electric motor only in the above one direction. The first one-way clutch is disposed within an opening formed in a partition wall of a transmission case. The oil pump includes a rotor having an inner peripheral portion defining a hollow space. The second one-way clutch is disposed inside of the inner peripheral portion of the rotor.
Claims6
An oil pump driving device comprising:
- a single oil pump including a rotor configured to receive motive power;
- a first one-way clutch configured to transmit motive power from an engine only in one direction;
- a second one-way clutch configured to transmit motive power from an electric motor only in the one direction;
- and
- a transmission case having a partition wall formed with an opening,
- wherein the first one-way clutch is disposed within the opening of the transmission case;
- wherein the rotor has an inner peripheral portion defining a hollow space;
- wherein the second one-way clutch is disposed inside of the inner peripheral portion of the rotor;
- and
- wherein the transmission case is coupled to the oil pump.
Dependencies are inferred from the claim text.