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US 2020/0032789 A1Published application
Oil pump
AssigneeAisin Seiki Kabushiki Kaisha
InventorsHiroyuki KUROKAWA, Mitsuru TERADA, Yoshito UNO
Life of this patent
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Abstract
An oil pump includes: a pump housing having a rotor accommodation space in an inner portion of the pump housing; a rotor accommodated in the rotor accommodation space; a shaft portion disposed inside the rotor; and a passage which is provided to straddle at least one of the pump housing and the rotor and the shaft portion and which communicates a pump chamber which is formed by the rotor inside the pump housing with an outside of the pump housing.
Claims13
An oil pump comprising:
- a pump housing having a rotor accommodation space in an inner portion of the pump housing;
- a rotor accommodated in the rotor accommodation space;
- a shaft portion disposed inside the rotor;
- and
- a passage which is provided to straddle at least one of the pump housing and the rotor and the shaft portion and which communicates a pump chamber which is formed by the rotor inside the pump housing with an outside of the pump housing.
2 more elements
Dependencies are inferred from the claim text.