Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/132241
Kind Code:
A1
Abstract:
The present invention makes it possible to simply perform warming-up of a lubricant inside a transmission case (12) that accommodates a transmission device (5). This work vehicle (1) comprises: a vehicle body (3) provided with a traveling device (7); an engine (4) provided to the vehicle body (3); a transmission device (5) that can perform speed change on the driving force from the engine (4) to transmit the driving force to the traveling device (7); a transmission case (12) that accommodates the transmission device (5) and is filled with lubricant; and a control device (120) that can switch between a warming-up operation mode in which gears provided in the transmission device (5) are rotated in a state of blocking the transmission of power from the transmission device (5) to the traveling device (7), and a traveling operation mode in which the gears are rotated in a state of transmitting power from the transmission device (5) to the traveling device (7).
Inventors:
GONO TSUYOSHI (JP)
HIRASE YUJI (JP)
JINNAI ATSUSHI (JP)
TAKEOKA SUSUMU (JP)
SAKAGUCHI MASAHIRO (JP)
ISHIHARA KAZUMA (JP)
HIRASE YUJI (JP)
JINNAI ATSUSHI (JP)
TAKEOKA SUSUMU (JP)
SAKAGUCHI MASAHIRO (JP)
ISHIHARA KAZUMA (JP)
Application Number:
PCT/JP2020/047950
Publication Date:
July 01, 2021
Filing Date:
December 22, 2020
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
F16H59/02; F16H47/04; F16H59/54; F16H59/68; F16H59/72; F16H61/02
Foreign References:
| JP2019078270A | 2019-05-23 | |||
| JP2002039230A | 2002-02-06 | |||
| JPH10100952A | 1998-04-21 | |||
| JP2018122776A | 2018-08-09 |
Other References:
See also references of EP 4083472A4
Attorney, Agent or Firm:
YASUDA & OKAMOTO PATENT ATTORNEYS (JP)
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