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Title:
WORKING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/057352
Kind Code:
A1
Abstract:
The present invention is provided with an engine (5) installed on a traveling machine body (2), a straight traveling system transmission path having a first stepless transmission (17) and a turning system transmission path having a second stepless transmission (13) and the output of the straight traveling system transmission path and the output of the turning system transmission path are synthesized to drive left and right travel units (3). A control unit (814) that controls the output of the straight traveling system transmission path and the output of the turning system transmission path in an interlocking manner is provided. Upon detecting that the number of revolutions of the engine (5) has become a predetermined number of revolutions (R1) or lower, the control unit (814) executes a first control that forcibly sets a swash plate (708) of the second stepless transmission (13) to a neutral state.

Inventors:
IWAMURA KEISUKE (JP)
TAKAHASHI TSUTOMU (JP)
Application Number:
PCT/JP2016/078433
Publication Date:
April 06, 2017
Filing Date:
September 27, 2016
Export Citation:
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Assignee:
YANMAR CO LTD (JP)
International Classes:
F16H61/439; A01D69/00; B60K17/10; B62D11/06
Foreign References:
JP2014193186A2014-10-09
JPH02245572A1990-10-01
JPH08119003A1996-05-14
JPH0874995A1996-03-19
Attorney, Agent or Firm:
WATANABE Ryuichi (JP)
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