Title:
HYDRAULIC SYSTEM AND WORK VEHICLE INCLUDING THE HYDRAULIC SYSTEM
Document Type and Number:
Japanese Patent JP2018168778
Kind Code:
A
Abstract:
To further improve drive efficiency by a simple structure improvement in an opposite slide contact surface of a cylinder block.SOLUTION: In a hydraulic system, an oil storage recess part 41 for temporarily storing pressure oil leaking to an opposite slide contact surface 40 from feed/discharge ports 24, 34 is formed at a position deviated from a part where the feed/discharge ports 24, 34 for pressure oil to an axial plunger are formed in the opposite slide contact surface 40 on a side of cylinder blocks 23, 33 opposite to a port block in an axial direction.SELECTED DRAWING: Figure 3
Inventors:
MIYAJI TOSHIYUKI
ANDO TOMOKAZU
TOOBOE DAIKI
ANDO TOMOKAZU
TOOBOE DAIKI
Application Number:
JP2017067653A
Publication Date:
November 01, 2018
Filing Date:
March 30, 2017
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F04B1/22; F03C1/253; F16H39/14
Domestic Patent References:
| JP2013256905A | 2013-12-26 | |||
| JPH04203279A | 1992-07-23 | |||
| JP2010025266A | 2010-02-04 | |||
| JPH08210244A | 1996-08-20 |
Attorney, Agent or Firm:
Patent business corporation r&c