Title:
PUMP DEVICE AND BRAKE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/070187
Kind Code:
A1
Abstract:
Provided is a plunger pump having improved durability without resulting in reduced productivity. This pump device is provided with a sliding part provided between a stopper part and an eccentric cam in the direction of an eccentric shaft center, wherein the friction coefficient between the sliding part and the eccentric cam is smaller than that between the stopper part and the eccentric cam.
Inventors:
OOHIRA ATSUKI (JP)
MISUNO MASAKI (JP)
NAKAZAWA CHIHARU (JP)
MISUNO MASAKI (JP)
NAKAZAWA CHIHARU (JP)
Application Number:
PCT/JP2017/033460
Publication Date:
April 19, 2018
Filing Date:
September 15, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F04B9/04; B60T8/48; B60T17/00; F04B1/053
Domestic Patent References:
| WO2017140294A1 | 2017-08-24 |
Foreign References:
| JP2008208750A | 2008-09-11 | |||
| JP2005537437A | 2005-12-08 | |||
| JP2002508821A | 2002-03-19 | |||
| JPH062649A | 1994-01-11 | |||
| JPH11514722A | 1999-12-14 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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