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:
Jan. 19, 1999
Filed:
Nov. 08, 1996
Applicant:
Inventor:
Lisa Egizi, Newport News, VA (US);
Assignee:
Siemens Automotive Corporation, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
23953312 ; 2395855 ; 29890143 ;
Abstract
A fuel injector needle has a separate pin element fixed in an axial bore in a tip end of the needle, the bore surrounded by an annular partially spherical region sealing to a valve seat. The pin element is separately manufactured and has a conical spray pattern shaping feature at one end protruding from the needle tip. The annular region can be accurately formed and finished prior to installation of the pin element.