Title:
WORK VEHICLE, AND CONTROL METHOD OF WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/100615
Kind Code:
A1
Abstract:
A hydraulic pump is driven by an engine. By being driven by a hydraulic oil discharged from the hydraulic pump, a hydraulic motor causes the vehicle to travel. A controller controls the engine speed and the hydraulic pump capacity. The controller acquires the tractive force of the vehicle. The controller changes the engine speed to the low speed side in response to a reduction in tractive force.
Inventors:
NAKASHIMA AKIRA (JP)
Application Number:
PCT/JP2019/042818
Publication Date:
May 22, 2020
Filing Date:
October 31, 2019
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
F02D29/00; E02F9/20; E02F9/22; F02D29/04; F16H59/50; F16H61/465; F16H63/50
Domestic Patent References:
| WO2015064577A1 | 2015-05-07 | |||
| WO2005056933A1 | 2005-06-23 | |||
| WO2015056933A1 | 2015-04-23 | |||
| WO2015011809A1 | 2015-01-29 | |||
| WO2005098148A1 | 2005-10-20 |
Foreign References:
| JP2016089821A | 2016-05-23 | |||
| JP2007113304A | 2007-05-10 | |||
| JPH0238630A | 1990-02-08 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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