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. 13, 2022
Filed:
Mar. 06, 2014
Applicant:
Westport Fuel Systems Canada Inc., Vancouver, CA;
Inventors:
Ning Wu, Vancouver, CA;
Mark E. Dunn, Vancouver, CA;
Assignee:
WESTPORT FUEL SYSTEMS CANADA INC., Vancouver, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/22 (2006.01); F02D 41/30 (2006.01); F02D 41/00 (2006.01); F02D 19/06 (2006.01); F02D 13/02 (2006.01); F02D 41/14 (2006.01); F02D 41/18 (2006.01);
U.S. Cl.
CPC ...
F02D 41/221 (2013.01); F02D 13/0223 (2013.01); F02D 13/0234 (2013.01); F02D 19/0623 (2013.01); F02D 19/0642 (2013.01); F02D 41/0002 (2013.01); F02D 41/3094 (2013.01); F02D 41/0025 (2013.01); F02D 41/1454 (2013.01); F02D 41/18 (2013.01); F02D 2041/001 (2013.01); F02D 2200/021 (2013.01); F02D 2200/0414 (2013.01); F02D 2200/101 (2013.01); Y02T 10/12 (2013.01); Y02T 10/30 (2013.01); Y02T 10/40 (2013.01);
Abstract
A technique for fuel system protection for an internal combustion engine comprises determining direct fuel injector temperature as a function of engine operating parameters; and advancing intake valve timing when the temperature rises above a first predetermined value such that the temperature is maintained below a second predetermined value.