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:
Sep. 07, 2021
Filed:
Dec. 09, 2019
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Maciej Ostrowski, Wrocław, PL;
Zbigniew Jaśkiewicz, Wrocław, PL;
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Abstract
A check valve has a valve housing defining a first valve opening and a second valve opening. A first flapper is pivotably mounted around a first axis for rotation relative to the housing between an open position at which it permits fluid flow through the first valve opening and a closed position at which it prevents fluid flow through the first valve opening. A second flapper is pivotably mounted around a second axis for rotation relative to the housing between an open position at which it permits fluid flow through the second valve opening and a closed position at which it prevents fluid flow through the second valve opening. The first axis is spaced laterally from the second axis. A method is also disclosed.