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. 20, 2011
Filed:
Mar. 21, 2008
Applicants:
Mark A. Zurawski, Northville, MI (US);
David J. Dronzkowski, Sterling Heights, MI (US);
Inventors:
Mark A. Zurawski, Northville, MI (US);
David J. Dronzkowski, Sterling Heights, MI (US);
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating an internal combustion engine with a variable geometry turbocharger whereby the turbocharger is cleaned of accumulated soot on a time based periodic basis.