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. 06, 2008
Filed:
Nov. 29, 2006
Applicants:
Brad Boyer, Canton, MI (US);
William Stockhausen, Northville, MI (US);
Inventors:
Brad Boyer, Canton, MI (US);
William Stockhausen, Northville, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for operating a fueling system in a vehicle having an engine capable of burning gaseous fuel supplied from at least a first and second source to a direct fuel injector of the engine, the first source having a higher source pressure than the second source, the method comprises supplying gaseous fuel to the direct injector from at least the first source during a first engine demand; and supplying gaseous fuel to the direct injector from at least the second source during a second engine demand less than said first engine demand.