Title:
油圧駆動装置
Document Type and Number:
Japanese Patent JP5809549
Kind Code:
B2
Abstract:
A hydraulic drive system includes a pump, a steering actuator, a loading/unloading apparatus actuator, a drive device, a relief valve, and an input unit. The drive device: flows hydraulic oil from the pump to the loading/unloading apparatus actuator when an operating tool is operated; flows the hydraulic oil from the pump to the steering actuator when a steering has become an operated state from a non-operated state regardless of an operation of the operating tool; and causes the hydraulic oil from the pump to be discharged to a tank via the relief valve to increase the torque of an engine when an increase instruction is inputted to the input unit and the steering is in a non-operated state.
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Inventors:
Shinichiro Tanaka
Hiroyasu Kodera
Makoto Ito
Hiroyasu Kodera
Makoto Ito
Application Number:
JP2011269294A
Publication Date:
November 11, 2015
Filing Date:
December 08, 2011
Export Citation:
Assignee:
Kcm corporation
Kawasaki Heavy Industries, Ltd.
Kawasaki Heavy Industries, Ltd.
International Classes:
F02D29/04; E02F9/22; F02D29/00; F15B11/02
Domestic Patent References:
| JP2005337062A | ||||
| JP5085230A | ||||
| JP61126230A | ||||
| JP11334626A |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office