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:
Apr. 14, 2009
Filed:
Sep. 29, 2005
Bryan D. Brown, Peoria, IL (US);
Sivaprasad Akasam, Peoria, IL (US);
Rabie E. Khalil, Dunlap, IL (US);
Brian D. Hoff, East Peoria, IL (US);
Bryan D. Brown, Peoria, IL (US);
Sivaprasad Akasam, Peoria, IL (US);
Rabie E. Khalil, Dunlap, IL (US);
Brian D. Hoff, East Peoria, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A method of operating an electrically propelled machine includes the steps of, operating an electrical power source for the machine, and limiting an output torque of an electrical propulsion motor system of the machine based upon the occurrence of a crowd force condition of the machine. An electrically propelled machine is further provided, including an electronic controller having means for limiting motor output torque based at least in part on a crowd force condition of the machine.