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. 14, 2006
Filed:
Jul. 06, 2001
Karl Lubitz, Ottobrunn, DE;
Carsten Schuh, Baldham, DE;
Karl Lubitz, Ottobrunn, DE;
Carsten Schuh, Baldham, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
The invention relates to a piezoactuator () comprising a piezoelectric body () and elements for pre-tensioning the piezoelectric body, consisting of a first () and a second () connecting element for transferring forces to the piezoelectric body (). The actuator is provided with an element () for transferring tensile/pressure forces between the connecting elements (), said element being at least partially located in a gap () in the form of a bore in the piezoelectric body (). According to the invention, the piezoactuator () is set to a defined working curve using the pre-tensioning elements (). The piezoelectric body () is preferably produced by the lamination of piezoelectric layers, into which a gap is drilled after lamination and the component is subsequently sintered.