Title:
アキュムレータを備えた作業機械の油圧回路
Document Type and Number:
Japanese Patent JP5825682
Kind Code:
B2
Abstract:
The present invention relates to a hydraulic circuit for a working machine including: a hydraulic actuator; and an accumulator for accumulating hydraulic energy which is discharged from the hydraulic actuator, and addresses the problem of configuring the hydraulic circuit so that high-temperature hydraulic oil does not flow into the accumulator. Means for solving the problem is to configure the hydraulic circuit in such a manner that piping for cooling 12 having a volume equivalent to the accumulation volume of the accumulator 10 is provided in an accumulator inflow/outflow oil passage 9 serving as the inflow oil passage of hydraulic oil to the accumulator 10 and the hydraulic oil cooled in the piping for cooling 12 is accumulated in the accumulator 10.
Inventors:
Yasutoshi Nanyoshi
Application Number:
JP2012149271A
Publication Date:
December 02, 2015
Filing Date:
July 03, 2012
Export Citation:
Assignee:
CATERPILLAR INCORPORATED
International Classes:
E02F9/22; F15B21/0423; F15B21/14
Domestic Patent References:
| JP61166201U | ||||
| JP2006118150A | ||||
| JP2000257608A | ||||
| JP2007506058A | ||||
| JP200690156A | ||||
| JP2009510358A | ||||
| JP2003314510A | ||||
| JP2003518595A |
Attorney, Agent or Firm:
Tetsuo Hirose
Suzuki Yuko
Suzuki Yuko