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:
Jan. 12, 2021
Filed:
May. 15, 2019
Applicant:
Goodrich Corporation, Charlotte, NC (US);
Inventors:
Martin Lei, Canal Fulton, OH (US);
Kevin Edward Roach, Stow, OH (US);
Michael Anthony Ziska, Cuyahoga Falls, OH (US);
Assignee:
Goodrich Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03B 7/07 (2006.01); F16K 15/04 (2006.01); E03C 1/10 (2006.01);
U.S. Cl.
CPC ...
E03B 7/077 (2013.01); E03C 1/10 (2013.01); F16K 15/04 (2013.01);
Abstract
A dual purpose valve assembly may comprise a conduit, a first valve, and a second valve. The first valve may comprise a vacuum breaker valve. The second valve may comprise a check valve. A drain system may comprise a supply tube, a drain tube, and a dual purpose valve disposed between the supply tube and the drain tube. The drain system may allow fluid to drain based on gravity alone, and the dual purpose valve assembly may operate based on gravity alone.