Title:
PISTON PUMP OR PUMP FOR BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/189991
Kind Code:
A1
Abstract:
Provided is a pump in which friction between an eccentric part and a piston can be reduced. The pump is provided with a rotating shaft, an eccentric part, and a piston. The eccentric part has an axial center that is eccentric relative to the axial center of the rotating shaft, and the eccentric axial center rotates about the axial center of the rotating shaft. The piston moves in a reciprocating fashion due to the motion of the eccentric part. The coefficient of friction between the eccentric part and the piston is no more than 0.01.
Inventors:
MISUNO MASAKI (JP)
NAKAZAWA CHIHARU (JP)
NAKAZAWA CHIHARU (JP)
Application Number:
PCT/JP2016/061857
Publication Date:
December 01, 2016
Filing Date:
April 13, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F04D1/04; F04B1/04; F04B9/04
Foreign References:
| JPS3732886Y1 | ||||
| JPH11514722A | 1999-12-14 | |||
| JP2002227761A | 2002-08-14 | |||
| JP2001003854A | 2001-01-09 | |||
| JP2005337252A | 2005-12-08 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
Ono Shinjiro (JP)
Ono Shinjiro (JP)
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