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. 13, 2019
Filed:
Aug. 09, 2017
Applicant:
Denso Corporation, Kariya, Aichi-pref., JP;
Inventor:
Satoshi Ishigaki, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/20 (2006.01); F16K 1/22 (2006.01); F16K 1/226 (2006.01); F16K 1/46 (2006.01); F17C 13/04 (2006.01); F02M 26/54 (2016.01); F02M 26/70 (2016.01); F16K 3/24 (2006.01); F02B 39/00 (2006.01); F02C 7/04 (2006.01);
U.S. Cl.
CPC ...
F16K 1/221 (2013.01); F02M 26/54 (2016.02); F02M 26/70 (2016.02); F16K 1/226 (2013.01); F16K 1/2261 (2013.01); F16K 1/46 (2013.01); F17C 13/04 (2013.01); F02B 39/00 (2013.01); F02C 7/04 (2013.01); F16K 1/205 (2013.01); F16K 1/2092 (2013.01); F16K 3/243 (2013.01);
Abstract
The present disclosure provides a valve device including a housing, a shaft, a butterfly valve, and a sealing member. The butterfly valve has a disk shape and defines a groove formed on an outer circumferential surface. The butterfly valve is fixed to the shaft and housed in a passage in the housing to selectively open and close the passage. The sealing member has an annular shape and fit into the groove. The outer circumferential surface of the sealing member has an arc surface having a diameter equal to the diameter of the passage. The arc surface comes into contact with the inner wall of the passage when the passage is closed.