The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2023
Filed:
Jun. 08, 2020
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Kenichi Yamada, Tokyo, JP;
Hiroaki Ikeda, Tokyo, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01); F16H 59/44 (2006.01); F16H 59/54 (2006.01); F16H 59/68 (2006.01); F16H 61/4017 (2010.01);
U.S. Cl.
CPC ...
E02F 9/2253 (2013.01); F16H 59/44 (2013.01); F16H 59/54 (2013.01); F16H 59/68 (2013.01); F16H 61/4017 (2013.01); F16H 2059/6861 (2013.01);
Abstract
A work vehicle includes a power source, a travel device, a power transmission device, and a control device. The power transmission device includes a hydrostatic continuously variable transmission having a relief valve capable of setting a relief pressure, and is configured to transmit power of the power source to the travel device. The control device includes a relief pressure setting unit configured to set the relief pressure of the relief valve in accordance with a target output value of the travel device.