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:
Nov. 06, 2007
Filed:
Jul. 28, 2005
David G. Marchand, Dunlap, IL (US);
David C. Orr, Dunlap, IL (US);
John J. Bernardi, Chillicothe, IL (US);
Jon B. Borgeson, Washington, IL (US);
David G. Marchand, Dunlap, IL (US);
David C. Orr, Dunlap, IL (US);
John J. Bernardi, Chillicothe, IL (US);
Jon B. Borgeson, Washington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An auxiliary power unit automatic start-up system is configured to assist a main engine start of a machine. The auxiliary power unit automatic start-up system may include an auxiliary power unit and a controller. The controller may monitor a parameter of the machine, automatically start the auxiliary power unit if the parameter is outside a first predetermined range, and bring the parameter within a second predetermined range using the auxiliary power unit.