Title:
Vane pump
Document Type and Number:
Japanese Patent JP6122659
Kind Code:
B2
Abstract:
The vane pump includes a rotor, a plurality of slits, vanes that are respectively received in the slits, a cam ring that has an inner circumferential cam face with which tip portions of the vanes are brought into sliding contact, pump chambers that are defined by the rotor, the cam ring, and the adjacent vanes, a side member that has a sliding contact surface with which the side surface of the rotor is brought into sliding contact, a discharge port that is formed so as to open to the side member, the discharge port being configured to guide working fluid discharged from the pump chamber, and a notch that are provided on the side member so as to extend from the opening of the discharge port in direction opposite to rotating direction of the rotor. The notch is formed radially outside of the protruded portion of the rotor.
Inventors:
Hiromi Shimono
Tomoyuki Fujita
Masamichi Sugihara
Yoshiyuki Maki
Tomoyuki Fujita
Masamichi Sugihara
Yoshiyuki Maki
Application Number:
JP2013035615A
Publication Date:
April 26, 2017
Filing Date:
February 26, 2013
Export Citation:
Assignee:
KYB Corporation
International Classes:
F04C2/344; F04C15/06
Domestic Patent References:
| JP2012137047A | ||||
| JP2043485U | ||||
| JP11303773A | ||||
| JP63104689U | ||||
| JP2010127214A |
Foreign References:
| WO2008038638A1 |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Atsushi Sudo
Masaki Goto
Masaaki Iida
Atsushi Sudo