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:
Jul. 10, 2001
Filed:
Dec. 23, 1999
Gordon Wyant, Hampton, VA (US);
Siemens Automotive Corporation, Auburn Hills, MI (US);
Abstract
A fuel injector with a body having an inlet portion, an outlet portion, and a fuel passageway extending from the inlet portion to the outlet portion along a longitudinal axis. An armature proximate the inlet portion of the body. A needle operatively connected to the armature. A seat is located proximate the outlet portion of the body. The seat includes a first surface, a second surface, a seat passage extending between the first surface and the second surface in the direction of the longitudinal axis, and a swirl generator formed in the first surface that communicates with the passage. A flat disk, which is located proximate the first surface, includes an aperture that guides the needle and at least one opening that communicates with the swirl generator of the seat. The flat disk combined with the seat provide a seat, swirl generator, and needle guide combination.