Title:
HYDRAULIC PUMP OR HYDRAULIC MOTOR
Document Type and Number:
Japanese Patent JP2016138525
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress a machining cost for positioning a swash plate on a case.SOLUTION: A hydraulic pump/motor 1 includes a second bearing 15 fixed to a case 10, a rotating shaft 20 rotatably held on the second bearing 15, a cylinder block 30 held on the rotating shaft 20 to be rotated together with the rotating shaft 20, and having a plurality of cylinder holes 31 extending along the axial direction of the rotating shaft 20, pistons 40 slidably held in the plurality of cylinder holes 31, respectively, and a swash plate 50 arranged between the cylinder block 30 and the second bearing 15, and having a slope face 51 on the side of the cylinder block 30. The swash plate 50 is positioned in the radial direction by the second bearing 15.SELECTED DRAWING: Figure 1
Inventors:
SATAKE TERUHIKO
Application Number:
JP2015014763A
Publication Date:
August 04, 2016
Filing Date:
January 28, 2015
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
F04B1/22; F03C1/253
Domestic Patent References:
| JPH03242472A | 1991-10-29 | |||
| JP2013029037A | 2013-02-07 | |||
| JP2014105621A | 2014-06-09 | |||
| JPS5479503U | 1979-06-06 | |||
| JPH11230028A | 1999-08-24 | |||
| JPH05248338A | 1993-09-24 | |||
| JPH0335271U | 1991-04-05 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Hiroyuki Nagai
Katsuomi Isogai
Yoshiki Kanagawa
Hiroyuki Nagai
Katsuomi Isogai
Yoshiki Kanagawa