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:
Jun. 25, 2002
Filed:
Jun. 30, 2000
Angelo D'Arrigo, Newport News, VA (US);
Siemens Automotive Corporation, Auburn Hills, MI (US);
Abstract
A fuel injector is disclosed. The fuel injector includes a hollow body having an upstream segment and a downstream segment and a valve. The valve has a needle assembly which includes an upstream segment having a first longitudinal channel extending therethrough and a magnetic armature located within the first longitudinal channel. The armature includes a passage extending therethrough. The needle assembly also includes a downstream segment having a second longitudinal channel co-axial with and communicating with the first longitudinal channel. The second longitudinal channel extends through the downstream segment. The needle assembly also includes a seating body located at a downstream end of the downstream segment and a transverse passage located upstream of the seating body. The transverse passage communicates with at least one of the first and the second longitudinal channels. A method of fabricating a needle assembly for a fuel injector is also disclosed.