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. 27, 2004
Filed:
Nov. 21, 2002
Franz Rieger, Aalen, DE;
Thomas Ludwig, Huenxe, DE;
Hans Schlembach, Muehlacker, DE;
Gottlob Haag, Markgroeningen, DE;
Ulrich Brenner, Moeglingen, DE;
Michael Huebel, Gerlingen, DE;
Juergen Stein, Illingen, DE;
Udo Sieber, Bietigheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A fuel injector for fuel injection systems in internal combustion engines, including an actuator, a valve needle operable by the actuator for operating a valve-closure member, which, together with a valve-seat surface forms a sealing seat and a swirl device including at least one swirl channel, through which fuel flows with a tangential component relative to a longitudinal axis of the fuel injector. The axial position of a plunger element determines a cross-section of at least one bypass channel that bypasses the at least one swirl channel without a tangential component.