Title:
VARIABLE CAPACITY VANE PUMP
Document Type and Number:
WIPO Patent Application WO/2017/154490
Kind Code:
A1
Abstract:
Provided is a variable capacity vane pump that can minimize fluctuations in discharge flow rate. In this variable capacity vane pump, among a plurality of straightening walls 33, 34, 35 provided inside a discharge pressure chamber 202, a first straightening wall 33, which is nearest to a one-end-side opening part 14a of a discharge passage 14, is provided so as to not face a communication hole 32 of a pressure plate 2c.
More Like This:
| WO/2020/203025 | CARTRIDGE-TYPE VANE PUMP AND PUMP DEVICE |
| JPH03275994 | VARIABLE DISPLACEMENT VANE PUMP |
Inventors:
NONAKA SATOSHI (JP)
SOEDA JUN (JP)
SOEDA JUN (JP)
Application Number:
PCT/JP2017/005530
Publication Date:
September 14, 2017
Filing Date:
February 15, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F04C2/344; F04C15/00
Foreign References:
| JP2003120551A | 2003-04-23 | |||
| JPH0667881U | 1994-09-22 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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