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.

Date of Patent:
Feb. 28, 2017

Filed:

Feb. 02, 2015
Applicant:

Marco Systemanalyse Und Entwicklung Gmbh, Dachau, DE;

Inventor:

Martin Reuter, Dachau, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/00 (2006.01); F16K 11/20 (2006.01); F15B 13/08 (2006.01);
U.S. Cl.
CPC ...
F16K 31/007 (2013.01); F15B 13/0832 (2013.01); F16K 11/20 (2013.01); F15B 2211/30575 (2013.01); F15B 2211/6313 (2013.01);
Abstract

A pneumatic valve comprises a valve housing in which at least two passage channels are formed which are associated with respective pneumatic connections; a movable closing element for a selective closing and releasing of the passage channels; and a piezoelectric drive for the controlled movement of the closing element. The piezoelectric drive comprises two separately controllable individual drives as well as closing elements which are associated therewith and which are movable independently of one another, with each of the closing elements being provided for a selective closing and releasing of one of the passage channels.


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