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:
Nov. 12, 2019
Filed:
Jun. 30, 2017
Applicant:
Fisher Controls International Llc, Marshalltown, IA (US);
Inventor:
George W. Gassman, Marshalltown, IA (US);
Assignee:
FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/42 (2006.01); F15B 5/00 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/42 (2013.01); F15B 5/003 (2013.01); F15B 5/006 (2013.01); F16K 31/0603 (2013.01); F16K 31/0624 (2013.01); F16K 31/0672 (2013.01); F16K 31/0675 (2013.01); F16K 31/0682 (2013.01); F15B 2211/8752 (2013.01); F15B 2211/88 (2013.01); Y02P 80/13 (2015.11);
Abstract
An electropneumatic switch valve includes a pneumatic circuit to a pressurized fluid source, an electromagnetic circuit coupled to the pneumatic circuit, and a control module connected to the electromagnetic circuit. The control module provides a first control signal inducing a first state of the pneumatic circuit, a second control signal inducing a second state of the pneumatic circuit, a third control signal inducing a third state of the pneumatic circuit, and a fourth control signal inducing a fourth state of the pneumatic circuit.