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:
Jul. 05, 2011
Filed:
Jun. 19, 2008
Applicants:
Kazuhiko Hayashi, Komatsu, JP;
Kazushi Nakata, Komatsu, JP;
Toshihiko Fukasawa, Nomi, JP;
Inventors:
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G62D 11/06 (2006.01); F16H 47/04 (2006.01); F16H 61/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a working vehicle, a control unit is configured to control an engine based on an engine power curve indicating a relationship between an engine speed and an engine output torque. The control unit is further configured to calculate an absorption horsepower that is an absorption horsepower of a hydraulic pump and to change the engine power curve used to control the engine based on the absorption horsepower.