Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2015/064577
Kind Code:
A1
Abstract:
This work vehicle is provided with a front work device, and is provided with: a variable capacity hydraulic pump that is driven by an engine and that supplies pressure oil to an actuator that drives the front work device; an operation quantity detection unit that detects the amount of operation of an accelerator pedal; a rotational velocity detection unit that detects the actual rotational velocity of an engine; and a control unit that alters the maximum absorption torque of a hydraulic pump with respect to the actual rotational velocity of the engine in accordance with the operation quantity detected by the operation quantity detection unit.
Inventors:
TANAKA TETSUJI (JP)
AOKI ISAMU (JP)
HYODO KOJI (JP)
OOMAE KENTARO (JP)
AOKI ISAMU (JP)
HYODO KOJI (JP)
OOMAE KENTARO (JP)
Application Number:
PCT/JP2014/078639
Publication Date:
May 07, 2015
Filing Date:
October 28, 2014
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
KCM KK (JP)
KCM KK (JP)
International Classes:
E02F9/22; F02D29/00; F02D29/04; F04B49/06
Foreign References:
| JP2006070877A | 2006-03-16 | |||
| JP2006052673A | 2006-02-23 | |||
| JP2008196165A | 2008-08-28 | |||
| JPH11101183A | 1999-04-13 |
Attorney, Agent or Firm:
NAGAI, Fuyuki et al. (JP)
Fuyuki Nagai (JP)
Fuyuki Nagai (JP)
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