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. 20, 2003
Filed:
Jul. 06, 2000
Applicant:
Inventors:
Andreas Fath, Regensburg, DE;
Wilhelm Frank, Bamberg, DE;
Wendelin Klügl, Seubersdorf, DE;
Eberhard Kull, Pfaffenhofen, DE;
Günter Lewentz, Regensburg, DE;
Hakan Yalcin, Regensburg, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 3/900 ;
U.S. Cl.
CPC ...
F02M 3/900 ;
Abstract
Located between the frustoconical needle tip and the cylindrical needle shank of a nozzle needle of a fuel injection valve is a frustoconical needle portion, into which is introduced a peripheral groove. Through this kind of arrangement damping is capable of being set, depending on the position of the groove, during the axial movement of the nozzle needle.