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:
Oct. 02, 2007
Filed:
Jul. 19, 2006
Marcus Unruh, Zeitlarn, DE;
Marcus Unruh, Zeitlarn, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A seal for a piezoactuator in a fuel injector as simply, reliably and, in respect of the useful life of the piezoactuator, as favorably as possible has a support element (), positioned on terminal posts () projecting in an axial direction (A) out of the piezoactuator () and pressed in an axial direction toward a top arrangement () of the piezoactuator (). An external sealing ring () is clamped along a circumferential region () of the top arrangement between the support element () and the top arrangement. Internal sealing rings () each enclose one of the terminal posts () and are each clamped between a face of the support element () facing radially inward and a circumferential face of the terminal post ().