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:
Jun. 18, 2024
Filed:
Mar. 01, 2021
Applicant:
Mikuni Corporation, Tokyo, JP;
Inventors:
Takuya Kawasaki, Odawara, JP;
Toshiaki Fujitani, Odawara, JP;
Assignee:
MIKUNI CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 27/02 (2006.01); F16K 3/26 (2006.01); F16K 11/076 (2006.01);
U.S. Cl.
CPC ...
F28F 27/02 (2013.01); F16K 3/26 (2013.01); F16K 11/076 (2013.01);
Abstract
A valve deviceincludes a rotational shaft, and a valve bodyinternally forming a spaceand rotatable about the rotational shaft, the valve bodyhaving an outer circumferential surfacewhere a first communication holeand a bottomed grooveare formed, the first communication holecommunicating with the space, the bottomed grooveextending from the first communication holetoward one side in a rotational direction of the rotational shaft, and the grooveincluding a first sectionin which at least one of a depth D of the grooveand a width W of the grooveincreases toward the first communication hole