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:
May. 17, 2005
Filed:
May. 16, 2002
Franz Rieger, Aalen, DE;
Fevzi Yildirim, Gerlingen, DE;
Andreas Eichendorf, Schorndorf, DE;
Günther Hohl, Stuttgart, DE;
Michael Hübel, Gerlingen, DE;
Jürgen Stein, Illingen, DE;
Franz Rieger, Aalen, DE;
Fevzi Yildirim, Gerlingen, DE;
Andreas Eichendorf, Schorndorf, DE;
Günther Hohl, Stuttgart, DE;
Michael Hübel, Gerlingen, DE;
Jürgen Stein, Illingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, includes a first magnetic coil cooperating with a first armature, a second magnetic coil cooperating with a second armature, and a valve needle which is in force-locking connection with the first armature via a first flange and to the second armature via a second flange, to actuate a valve-closure member. A restoring spring acts upon the valve needle in a closing direction of the fuel injector. A first positioning spring, situated between the first flange and the first armature, acts upon the first armature in the closing direction of the fuel injector, while a second positioning spring, situated between the second flange and the second armature, acts upon the second armature in an opening direction of the fuel injector.