Title:
VARIABLE CAPACITY TYPE VANE PUMP
Document Type and Number:
Japanese Patent JP2018044535
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve an assembling property of a variable capacity type vane pump.SOLUTION: A vane pump 100 comprises: a rotor 2 coupled with a driving shaft 1; plural vanes 3 provided movably forward and backward to the rotor 2 in a radial direction; a cam ring 4 having a cam face 4a with the tip of the vane 3 sliding together with rotation of the rotor 2, and provided eccentrically to the rotor 2; a second pump body 20 housing the cam ring 4; and a spring 30 interposed between the cam ring 4 and the second pump body 20 under a compression state, and energizing the cam ring 4 in a direction for increasing an eccentric amount to the rotor 2. The cam ring 4 and the second pump body 20 have seating faces 6a, 20a on which the spring 30 is seated, and grooves 6b, 20b formed on the seating faces 6a, 20a.SELECTED DRAWING: Figure 1
Inventors:
AKATSUKA KOICHIRO
GOMI HIROKI
SOBUE FUMIHIKO
GOMI HIROKI
SOBUE FUMIHIKO
Application Number:
JP2016182110A
Publication Date:
March 22, 2018
Filing Date:
September 16, 2016
Export Citation:
Assignee:
KYB CORP
International Classes:
F04C14/22; F04C2/344
Domestic Patent References:
| JP2008309049A | 2008-12-25 | |||
| JP2007154835A | 2007-06-21 | |||
| JPH05149260A | 1993-06-15 | |||
| JP2008111364A | 2008-05-15 |
Foreign References:
| WO2015097637A1 | 2015-07-02 |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Atsushi Sudo
Akioka Norihiro
Masaki Goto
Masaaki Iida
Atsushi Sudo
Akioka Norihiro
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