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. 07, 2009
Filed:
Dec. 20, 2005
David Gregory Marchand, Dunlap, IL (US);
John F. Szentes, Peoria, IL (US);
David C. Orr, Dunlap, IL (US);
John J. Bernardi, Chillicothe, IL (US);
David Gregory Marchand, Dunlap, IL (US);
John F. Szentes, Peoria, IL (US);
David C. Orr, Dunlap, IL (US);
John J. Bernardi, Chillicothe, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A system for approximating a temperature of a battery includes a sensor configured to provide a temperature measurement of the ambient air, a sensor configured to provide a voltage measurement of the battery, a sensor configured to provide a current measurement of the battery, and signal processing circuitry configured to determine an approximate battery temperature as a function of the measured ambient air temperature, the measured voltage of the battery, and the measured current of the battery.