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US 2020/0018308 A1Published application
Vane pump
AssigneeTaiho Kogyo Co., Ltd.
InventorsKen NAKAMUTA, Syuhei Nishida
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Abstract
A vane pump includes a housing, a rotor rotatable about a rotation axis, and a vane that rotates together with the rotor and reciprocates in a radial direction with respect to the rotor, the vane dividing a pump chamber into a plurality of working chambers. At least one of opposite end surfaces of the vane in an axial direction is a sliding surface that slidably contacts an inner surface of the housing via an oil film, and an oil reservoir portion is provided in the sliding surface in a recessed manner.
Claims4
A vane pump comprising:
- a housing with a pump chamber;
- a rotor rotatable about its own axis;
- and
- a vane that rotates together with the rotor and reciprocates in a radial direction with respect to the rotor, the vane dividing the pump chamber into a plurality of working chambers, wherein
- at least one of opposite end surfaces of the vane in an axial direction is a sliding surface that slidably contacts an inner surface of the housing via an oil film, and
- an oil reservoir portion that stores lubricating oil is provided in the sliding surface in a recessed manner.
3 more elements
Dependencies are inferred from the claim text.