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. 16, 2019
Filed:
Feb. 23, 2017
Applicant:
Honda Motor Co., Ltd., Tokyo, JP;
Inventors:
Koji Hakoda, Shioya-gun, JP;
Tomoyoshi Koyama, Utsunomiya, JP;
Hirotaka Otaki, Utsunomiya, JP;
Tomohiko Hatakeda, Wako, JP;
Satoshi Inoue, Wako, JP;
Assignee:
HONDA MOTOR CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/36 (2006.01); F16K 25/00 (2006.01); F16K 1/42 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 1/36 (2013.01); F16K 1/42 (2013.01); F16K 25/005 (2013.01); F16K 31/0655 (2013.01);
Abstract
In a valve apparatus, an annular contact portion made of elastic material is provided on a valve portion of a valve plug. A plurality of annular grooves are formed on a proximal end surface of a valve seat member which abuts against the contact portion. The annular grooves are formed around a communication hole through which fluid flows. The annular grooves have different diameters, and are concentric with one another.