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:
Mar. 19, 2019
Filed:
Dec. 05, 2017
Applicants:
Nitto Kohki Co., Ltd., Tokyo, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Inventors:
Assignees:
NITTO KOHKI CO., LTD., Tokyo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/02 (2006.01); F16K 15/06 (2006.01); F16K 27/02 (2006.01); F16K 31/122 (2006.01);
U.S. Cl.
CPC ...
F16K 27/0209 (2013.01); F16K 15/026 (2013.01); F16K 15/063 (2013.01); F16K 31/1221 (2013.01); Y10T 137/7929 (2015.04); Y10T 137/7932 (2015.04); Y10T 137/7933 (2015.04);
Abstract
A check valve is provided which comprises a casing having a fluid passage, a valve seat member disposed in the fluid passage, and a valve element housing with a valve element disposed therein. The valve seat member has a valve seat surface on an end surface facing downstream. The valve element housing is a discrete member separate from the valve seat member and detachably secured to a downstream end portion of the same. The valve element is displaceable between a closed position and an open position.