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.

Date of Patent:
Nov. 18, 2014

Filed:

Apr. 17, 2012
Applicants:

Shinichi Kitao, Naka-gun, JP;

Atsushi Shirao, Komatsu, JP;

Inventors:

Shinichi Kitao, Naka-gun, JP;

Atsushi Shirao, Komatsu, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/00 (2006.01); F16H 61/44 (2006.01); E02F 9/22 (2006.01); E02F 9/20 (2006.01); F16H 61/431 (2010.01); F16H 61/4035 (2010.01); F16H 61/444 (2010.01);
U.S. Cl.
CPC ...
E02F 9/2221 (2013.01); F16H 61/44 (2013.01); E02F 9/2296 (2013.01); E02F 9/2079 (2013.01); E02F 9/2235 (2013.01); F16H 61/431 (2013.01); E02F 9/2289 (2013.01); F16H 61/4035 (2013.01); E02F 9/2253 (2013.01); E02F 9/2292 (2013.01); F16H 61/444 (2013.01);
Abstract

A control apparatus of a working vehicle including a hydraulic pump driven by an engine and two hydraulic motors connected in parallel to the hydraulic pump, a clutch being released or engaged so that a power is transmitted to one of the hydraulic motors via the clutch, includes: a load detection unit determining a load of the working vehicle from a throttle output amount and an engine speed of the engine; and a control unit reducing a pump injection amount of the hydraulic pump under an upper limit injection amount of the hydraulic pump predetermined based on the load at a time of release shift control of the clutch and increasing a pump injection amount of the hydraulic pump under a lower limit injection amount of the hydraulic pump predetermined based on the load at a time of engagement shift control of the clutch.


Find Patent Forward Citations

Kitao, Shinichi. (2014). Control apparatus of working vehicle and control method thereof (U.S. Patent No. 8888657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8888657

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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