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:
May. 08, 2001
Filed:
May. 10, 1999
Applicant:
Inventors:
Kenneth A. Baumgartner, Peoria, IL (US);
Michael A. Caruthers, Peoria, IL (US);
Christopher F. Gallmeyer, Peoria, IL (US);
Robert L. Miller, Dunlap, IL (US);
Kenneth J. Suda, Edelstein, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 9/00 ; F02P 9/00 ;
U.S. Cl.
CPC ...
F02B 9/00 ; F02P 9/00 ;
Abstract
An AC glow plug system is provided that includes a static converter for DC to AC conversion. Control techniques include varying the converter duty cycle according to glow plug temperature and other parameters such as engine air or coolant temperatures for smooth running as well as for prolonging glow plug life. Control is also varied according to fuel system characteristics and fuel composition.