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:
Aug. 18, 2009
Filed:
Jan. 09, 2004
Dirk Baranowski, Regensburg, DE;
Wendelin Klügl, Seubersdorf, DE;
Gerd Schmutzler, Kareth, DE;
Joachim Wagner, Dietfurt A.D.Altmuehl, DE;
Dirk Baranowski, Regensburg, DE;
Wendelin Klügl, Seubersdorf, DE;
Gerd Schmutzler, Kareth, DE;
Joachim Wagner, Dietfurt A.D.Altmuehl, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
The invention relates to an injection valve, comprising a control chamber () with a control piston () that is functionally linked with a nozzle needle (). The control chamber () is linked, via an inlet throttle (), with pressurized fuel, and with an outlet throttle () with a valve chamber (). A servo valve () is disposed in the valve chamber (), said servo valve opening a connection between the valve chamber () and a return element () depending on its position. The inventive injection valve further comprises a bypass throttle () that is interposed between the fuel feed line and the valve chamber.