Vane pump
AssigneeKYB Corporation
InventorsKouhei KUBO, Tomoyuki FUJITA, Koichiro AKATSUKA, Yoshiyuki MAKI
Life of this patent
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Abstract
A vane pump is provided with: a pump housing having an accommodating concave portion; and a pump cartridge accommodated in the accommodating concave portion, wherein the pump cartridge has: a rotor; a plurality of vanes received in a plurality of slits formed in the rotor; a cam ring formed with a cam face on an inner circumference of the cam ring; and a first side plate provided at the opposite side from a bottom surface of the accommodating concave portion such that the cam ring is located therebetween, the first side plate has a first projected portion projected radially outward, and the pump cartridge is anchored to the pump housing via the first projected portion.
Claims4
A vane pump configured to discharge working fluid by being rotationally driven by a driving source, comprising:
- a pump housing having an accommodating concave portion;
- and
- a pump cartridge accommodated in the accommodating concave portion, wherein
- the pump cartridge has:
- a rotor to which a rotational driving force from the driving source is transmitted;
- a plurality of vanes freely slidably received in a plurality of slits, the slits being formed in the rotor in a radiating pattern;
- a cam ring formed with a cam face on an inner circumference of the cam ring, the cam face being configured such that tip ends of the plurality of vanes slide on the cam face as the rotor is rotated;
- and
- a first side plate provided on an opposite side from a bottom surface of the accommodating concave portion such that the cam ring is located therebetween,
- the first side plate has a first projected portion projected radially outward, and
- the pump cartridge is anchored to the pump housing via the first projected portion.
Dependencies are inferred from the claim text.