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:
Sep. 11, 2018
Filed:
Apr. 25, 2013
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Georg Bachmaier, Munich, DE;
Gerit Ebelsberger, Munich, DE;
Reinhard Freitag, Munich, DE;
Andreas Goedecke, Munich, DE;
Wolfgang Zoels, Munich-Lochhausen, DE;
Assignee:
SIEMENS AKTIENGESELLSCAHFT, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 17/03 (2006.01); F15B 7/08 (2006.01); H02N 2/04 (2006.01); F15B 15/18 (2006.01);
U.S. Cl.
CPC ...
F15B 7/08 (2013.01); F04B 17/03 (2013.01); H02N 2/043 (2013.01); F15B 15/18 (2013.01);
Abstract
An actuator device for producing a linear movement, has a hydraulic actuator which includes a first piston element for actuating the actuator and a second piston element for producing the linear movement. The piston elements are assigned respective fluidically coupled working chambers, the volumes of which can be changed by movement of the respective piston element. A piezoelectric actuator is provided for exerting a force on the first piston element.