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:
May. 08, 2018
Filed:
Dec. 31, 2013
Applicant:
Vanderbilt University, Nashville, TN (US);
Inventors:
Michael Goldfarb, Nashville, TN (US);
Don Truex, Nashville, TN (US);
Assignee:
VANDERBILT UNIVERSITY, Nashville, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/04 (2006.01); F15B 13/043 (2006.01); F16K 11/07 (2006.01); F15B 13/044 (2006.01); F15B 21/00 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0431 (2013.01); F15B 13/044 (2013.01); F15B 21/003 (2013.01); F16K 11/0704 (2013.01); F16K 31/0613 (2013.01); F16K 31/0679 (2013.01); F15B 13/0402 (2013.01); F15B 2013/0412 (2013.01); Y10T 137/86879 (2015.04);
Abstract
A double-solenoid directional control valve comprising a valve body and a valve spool within the valve body, where the valve spool is configured to move within the valve body between a first position, a second position and a third position, where the third spool position lies between the first and second spool positions. In certain embodiments, the spool is maintained in the first and third positions by energizing at least a first or a second solenoid actuator, and where the spool is maintained in the second position by de-energizing both solenoid actuators.