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:
Aug. 27, 2019
Filed:
Aug. 16, 2017
Hamilton Sundstand Corporation, Charlotte, NC (US);
Adam Horoszczak, Wroclaw, PL;
Maciej Ostrowski, Kamieniec, PL;
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A check valve comprises a valve housing defining an opening and a plurality of flapper elements each pivotally mounted to the valve housing about a respective axis transverse to the opening in which the flapper elements permit flow of fluid through the opening and a closed position in which they block the flow of fluid through the opening. Each flapper element comprises a first side facing the valve housing sealing surface in the closed position, a second side, opposed to the first side and facing away from the valve housing sealing surface in the closed position, a base end, a first edge region extending away from the base end and a second edge region extending away from the base end.