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:
Aug. 12, 2014
Filed:
Aug. 27, 2008
Applicants:
Paul G. Hicks, Holland, MI (US);
Robert J. Pederson, Thousand Oaks, CA (US);
Inventors:
Paul G. Hicks, Holland, MI (US);
Robert J. Pederson, Thousand Oaks, CA (US);
Assignee:
Woodward, Inc., Fort Collins, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B 1/00 (2006.01); F02M 1/00 (2006.01); F02M 69/00 (2006.01);
U.S. Cl.
CPC ...
B05B 1/00 (2013.01); F02M 1/00 (2013.01); F02M 69/00 (2013.01);
Abstract
An improved fuel injection apparatus and method have a variable area injector arrangement in which a pintle defines a pilot orifice extending through a tip of the pintle for supplying a pilot flow of fuel through the fuel injector at low fuel pressures, and in particular when the pintle tip is sealed against a variable flow orifice of the variable area injector arrangement.