Title:
PUMP DEVICE AND PUMP DEVICE FOR BRAKE
Document Type and Number:
Japanese Patent JP2017056875
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pump device that can inhibit an increase in size of a piston pump housing for storing multiple groups of piston pump, and to provide a pump device for a brake.SOLUTION: The pump device includes: multiple pistons reciprocating by an eccentric cam and provided in multiple storage holes 50 P1, 50 P2, 50S1, 50S2 formed in a housing 31. The multiple storage holes 50 P1, 50 P2, 50S1, 50S2 are formed so that axis lines of the storage holes do not overlap on one another when the housing 31 is projected from an axial direction of a rotational shaft.SELECTED DRAWING: Figure 3
Inventors:
YOSHIMURA SHUNICHI
IKURA TOKI
IKURA TOKI
Application Number:
JP2015184788A
Publication Date:
March 23, 2017
Filing Date:
September 18, 2015
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
B60T8/34; B60T17/00; F04B23/10
Domestic Patent References:
| JP2006520437A | 2006-09-07 | |||
| JP2014046915A | 2014-03-17 |
Foreign References:
| US20100202903A1 | 2010-08-12 |
Attorney, Agent or Firm:
Masamichi Ayata