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:
Apr. 10, 2012
Filed:
Sep. 11, 2008
Applicants:
Martin Gehrke, Weinstadt, DE;
Helmut Deichert, Waiblingen, DE;
Inventors:
Martin Gehrke, Weinstadt, DE;
Helmut Deichert, Waiblingen, DE;
Assignee:
Festo AG & Co. KG, Esslingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid power valve arrangement with at least one solenoid valve whose solenoid is connected or able to be connected via only two control lines with an electrical control and/or communication device. The solenoid valve has integrated in it a non-volatile storage device containing identification data of the solenoid valve, and furthermore a modulator for modulation of data of the solenoid valve in the two supply lines. The control and/or communication device possesses a demodulator for demodulation of the modulated data.