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. 10, 2019
Filed:
Dec. 02, 2016
Applicant:
Buerkert Werke Gmbh, Ingelfingen, DE;
Inventors:
Manuel Kraft, Karlsruhe, DE;
Peter Krippner, Karlsruhe, DE;
Assignee:
BUERKERT WERKE GMBH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 37/00 (2006.01); F16K 31/122 (2006.01);
U.S. Cl.
CPC ...
F16K 37/0041 (2013.01); F16K 31/122 (2013.01);
Abstract
The present invention relates to a valve drive for actuating a valve, including a lifting element which shifts upon an actuation of the valve, and a displacement sensor by means of which the position of the lifting element can be detected, characterized in that the displacement sensor includes an elastically deformable dielectric film which is provided with at least two electrodes, the film being deformed by an adjustment of the lifting element.