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:
Jul. 12, 2016
Filed:
Apr. 04, 2014
Applicant:
Hamilton Sundstrand Space Systems International, Inc., Windsor Locks, CT (US);
Inventor:
Roger Corallo, West Suffield, CT (US);
Assignee:
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC., Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/04 (2006.01); F04B 53/10 (2006.01); F16K 11/044 (2006.01); F16K 11/056 (2006.01);
U.S. Cl.
CPC ...
F16K 15/04 (2013.01); F04B 53/10 (2013.01); F16K 11/044 (2013.01); F16K 11/056 (2013.01); Y10T 137/7846 (2015.04);
Abstract
A dual check valve includes, a housing having a cavity fluidically connecting three ports, a movable member movably engaged within the cavity from at least a first position occluding a first port of the three ports, a second position occluding a second port of the three ports, and a third position allowing flow between both the first port, the second port and a third port of the three ports.