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:
Apr. 16, 2002
Filed:
Mar. 13, 1997
Applicant:
Inventors:
Debora E. Nally, Williamsburg, VA (US);
John Boylan, Hampton, VA (US);
Assignee:
Siemens Automotive Corporation, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B 7/10 ; B05B 1/30 ; F02M 5/100 ;
U.S. Cl.
CPC ...
B05B 7/10 ; B05B 1/30 ; F02M 5/100 ;
Abstract
A method of air metering is provided for obtaining a desired air flow through a fuel injector. The fuel injector comprises an air assist injector valve body and an air assist backup washer, having two or more flow channels, contained within the backup washer. The fuel injector further comprises a shroud member having a flat surface, abutting up against the backup washer so the flat surface of the shroud member combined with the flow channels in the backup washer meter and/or direct the air flow.