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:
Feb. 15, 2011
Filed:
Aug. 23, 2004
Georg Bachmaier, München, DE;
Bernhard Fischer, Töging A. Inn, DE;
Bernhard Gottlieb, München, DE;
Andreas Kappel, Brunnthal, DE;
Hans Meixner, Haar, DE;
Enrico Ulivieri, München, DE;
Georg Bachmaier, München, DE;
Bernhard Fischer, Töging A. Inn, DE;
Bernhard Gottlieb, München, DE;
Andreas Kappel, Brunnthal, DE;
Hans Meixner, Haar, DE;
Enrico Ulivieri, München, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
An injection valve for injecting fuel comprises a valve housing () inside of which a drive unit () controls the movement of a valve needle () that is pretensioned by a spring (). The injection valve also comprises a main chamber (), which is provided inside the valve housing, is filled with fuel and accommodates the valve needle (), and comprises a hydraulic bearing for the drive unit (). The hydraulic bearing has a hydraulic chamber () that is connected to the main chamber (), whereby fuel serves as the operating substance of the hydraulic bearing.