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1. (WO2017154490) VARIABLE CAPACITY VANE PUMP

Pub. No.:    WO/2017/154490    International Application No.:    PCT/JP2017/005530
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Thu Feb 16 00:59:59 CET 2017
IPC: F04C 2/344
F04C 15/00
Applicants: HITACHI AUTOMOTIVE SYSTEMS, LTD.
日立オートモティブシステムズ株式会社
Inventors: NONAKA, Satoshi
野中 智史
SOEDA, Jun
添田 淳
Title: VARIABLE CAPACITY VANE PUMP
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.