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Title:
WORK VEHICLE, AND METHOD OF CONTROLLING WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2015/093241
Kind Code:
A1
Abstract:
A power transmission device includes a first clutch and a second clutch for switching a driving force transmission route in the power transmission device. A clutch control unit provided in a work vehicle switches the transmission route from one of a first mode and a second mode to the other mode when a speed ratio parameter reaches a mode switching threshold value. The clutch control unit, when the time elapsed from the switching is within a switching prohibiting period including a predetermined initial value, maintains the other mode until the switching prohibiting period is completed even when the speed ratio parameter reaches the mode switching threshold value again. A trigger detection unit provided in the work vehicle completes the switching prohibiting period upon detection of a predetermined operation in the switching prohibiting period.

Inventors:
MONDEN HIROSHI (JP)
NOHARA TATSURO (US)
MIYAZAKI SHOGO (JP)
MIYAMOTO SHUNSUKE (JP)
Application Number:
PCT/JP2014/081110
Publication Date:
June 25, 2015
Filing Date:
November 25, 2014
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B60W10/10; B60K6/365; B60K6/445; B60W20/00; E02F9/20; F16H3/46; F16H3/62; F16H3/72; F16H61/02; F16H61/66; F16H63/50
Foreign References:
JP2006329244A2006-12-07
JP2013537962A2013-10-07
JP2009014201A2009-01-22
JP2006329244A2006-12-07
Other References:
See also references of EP 2962914A4
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
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