Patent ID: 6634876
Filing Date: 2003-10-21
Classification: F01C,F04C,Y10T

Abstract:
A vane pump comprising:a pump body, the pump body comprising a cam member having a cam surface defined therein; a rotor rotatably mounted in the pump body; a plurality of vanes mounted on the rotor and adapted to freely slide in a diametrical direction with respect to the rotor, the vanes having outer ends adapted to contact with the cam surface; and a vane guide fixed in the pump body in contact with each of the vanes, said vane guide having an outer peripheral surface that sets a position in a diametrical direction of each of the vanes at a time of stopping of rotation of the rotor; wherein a columnar protruding portion integrally formed in the vane guide is pressure inserted in a hole formed in the pump body to fix the vane guide to the pump body.