Title:
プランジャポンプ及びブレーキ装置
Document Type and Number:
Japanese Patent JP6733991
Kind Code:
B2
Abstract:
Provided is a plunger pump where quietness can be ensured. A plunger pump includes a cylinder, a piston, a discharge valve, and a plug member. The plug member includes: a recessed portion formed on a circumferential wall of a discharge chamber opposing an outer periphery of the discharge valve in a radial direction; and a discharge passage disposed at a position different from the recessed portion, formed on the circumferential wall of the discharge chamber opposing the outer periphery of the discharge valve in the radial direction, and connecting the discharge chamber and the outside with each other.
Inventors:
Makinori
Chiharu Nakazawa
Atsushi Ohira
Chiharu Nakazawa
Atsushi Ohira
Application Number:
JP2016185014A
Publication Date:
August 05, 2020
Filing Date:
September 23, 2016
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F04B53/10; B60T17/00
Domestic Patent References:
| JP2002242850A | ||||
| JP2002542430A | ||||
| JP2001501279A |
Foreign References:
| US3682572 |
Attorney, Agent or Firm:
Masamichi Ayata