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:
Oct. 04, 2016
Filed:
May. 07, 2014
Applicant:
Westport Power Inc., Vancouver, CA;
Inventors:
Jordan C. Haas, Richmond, CA;
Timothy N. Lennox, Coquitlam, CA;
David K. Mumford, Vancouver, CA;
B. Keir Pritchard, North Vancouver, CA;
Mark Tsui, Surrey, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 13/00 (2006.01); F02M 21/02 (2006.01); F02M 39/02 (2006.01); F02D 19/06 (2006.01); F02D 19/10 (2006.01); F02M 37/00 (2006.01); F02M 43/02 (2006.01); F02M 59/38 (2006.01); F02M 63/00 (2006.01); F02M 63/02 (2006.01);
U.S. Cl.
CPC ...
F02M 39/02 (2013.01); F02D 19/0605 (2013.01); F02D 19/0647 (2013.01); F02D 19/0678 (2013.01); F02D 19/0684 (2013.01); F02D 19/0689 (2013.01); F02D 19/0694 (2013.01); F02D 19/10 (2013.01); F02M 37/0052 (2013.01); F02M 43/02 (2013.01); F02M 59/38 (2013.01); F02M 63/0001 (2013.01); F02M 63/0265 (2013.01); Y02T 10/36 (2013.01);
Abstract
A method and apparatus pump fuel to a fuel injection system in an internal combustion engine. The method comprises steps of pumping a liquid fuel to a first pressure, using the liquid fuel at the first pressure as a hydraulic fluid for driving a gaseous fuel pump, and pumping a gaseous fuel to a second pressure with the gaseous fuel pump.