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. 01, 2025
Filed:
Jun. 30, 2023
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Myles Kelly, Willimantic, CT (US);
Andrew J. Thompson, Ellington, CT (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/10 (2006.01); F01D 17/14 (2006.01); F16K 15/03 (2006.01);
U.S. Cl.
CPC ...
F04B 53/1045 (2013.01); F01D 17/148 (2013.01); F16K 15/036 (2013.01);
Abstract
A flapper check valve includes a valve seat body. Two flapper valve portions are each mounted on their own shaft to the valve seat body, and pivotable between open and closed positions. The flapper valve portions pivot in a common rotational direction to the open position and to the closed position. A fluid systems is also disclosed.