Title:
VANE PUMP
Document Type and Number:
WIPO Patent Application WO/2017/056850
Kind Code:
A1
Abstract:
A vane pump (100) is provided with: a rotor (2) connected to a drive shaft (1); a plurality of radially formed slits (7) open to the outer periphery of the rotor (2); a plurality of vanes (3) respectively inserted in a slidable manner into the plurality of slits (7); a cam ring (4) having a cam surface (4a) on which the front ends of the vanes (3) slide as the rotor (2) rotates; and pump chambers (6) each defined by the rotor (2), the cam ring (4), and a pair of adjacent vanes (3). The plurality of vanes (3) comprise: a plurality of first vanes (3a) formed by applying a DLC coating to a base material; and second vanes (3b) formed such that the base material thereof is exposed. Two first vanes (3a) are inserted in the slits (7) so as to be adjacent to each other.
More Like This:
| WO/1999/028630 | DRIVEN EQUIPMENT FOR FLUID MACHINERY |
| JPS62210275 | VANE PUMP |
| JPS5229605 | ROTARY TYPE FLUID PUMP |
Inventors:
MAKI YOSHIYUKI (JP)
FUJITA TOMOYUKI (JP)
NAKAGAWA TOMOYUKI (JP)
SUGIHARA MASAMICHI (JP)
FUJITA TOMOYUKI (JP)
NAKAGAWA TOMOYUKI (JP)
SUGIHARA MASAMICHI (JP)
Application Number:
PCT/JP2016/075860
Publication Date:
April 06, 2017
Filing Date:
September 02, 2016
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F04C2/344; F04C15/00
Foreign References:
| JP2014181635A | 2014-09-29 | |||
| JPH04269387A | 1992-09-25 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
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