MOTOR CONTROL DEVICE FOR WORKING VEHICLE - HITACHI CONSTRUCTION MACHINERY

Title:

MOTOR CONTROL DEVICE FOR WORKING VEHICLE

Document Type and Number:

WIPO Patent Application WO/2010/147232

Kind Code:

A1

Abstract:

A motor control device for a working vehicle comprises: a running drive device for transmitting the rotation of a motor to the wheels by way of a torque converter; a first selection device which is operated in order to select a power mode or economy mode; a second selection device which is different from the first selection device; a mode switching device for switching from the economy mode to the power mode when the second selection device is operated while the economy mode has been selected by the first selection device; and a speed restriction device which, if the economy mode is set, restricts the maximum rotational speed of the motor to a lower speed than when the power mode has been set.

Inventors:

HYODO KOJI (JP)
YOSHIKAWA MASAKI (JP)
CHONAN KAZUO (JP)

Application Number:

PCT/JP2010/060471

Publication Date:

December 23, 2010

Filing Date:

June 21, 2010

Export Citation:

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Assignee:

HITACHI CONSTRUCTION MACHINERY (JP)
HYODO KOJI (JP)
YOSHIKAWA MASAKI (JP)
CHONAN KAZUO (JP)

International Classes:

F02D29/00; F02D45/00; F16H61/02; F16H63/40; F16H59/42; F16H59/68

Domestic Patent References:

WO2009054499A1

2009-04-30

Foreign References:

JP2007170276A	2007-07-05
JP2006226255A	2006-08-31
JP2007198245A	2007-08-09
JP2007170276A	2007-07-05
JP2009146200A	2009-07-02

Other References: