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:
Sep. 13, 2011
Filed:
Nov. 05, 2010
Applicants:
Matthew Chisholm, Minneapolis, MN (US);
Stephen Nelson, Andover, MN (US);
Steven D. Lundquist, Metamora, IL (US);
Inventors:
Matthew Chisholm, Minneapolis, MN (US);
Stephen Nelson, Andover, MN (US);
Steven D. Lundquist, Metamora, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 17/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydrostatically powered vehicle includes an engine operatively associated with a pump that supplies fluid to a propel motor. Based on various sensed and engine operating conditions, a controller determines a desired operating condition for the engine while maintaining the travel speed of the vehicle constant.