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. 29, 2022
Filed:
Aug. 21, 2018
Mikuni Corporation, Tokyo, JP;
Naoki Tanaka, Kanagawa, JP;
Keigo Suzuki, Kanagawa, JP;
Daisuke Takayama, Kanagawa, JP;
Katsunari Tobe, Kanagawa, JP;
MIKUNI CORPORATION, Tokyo, JP;
Abstract
A valve device of the present invention includes: a body () defining a passage () through which fluid flows; a valve shaft () pivotably supported by the body; a butterfly valve () fixed to the valve shaft to open and close the passage; and a drive unit () configured to impart a rotational drive force to the valve shaft. The body has a protrusion portion () formed integrally in a manner of protruding from an outer wall () of the body, and the drive unit () is fixed to the body () via the protrusion portion (). Accordingly, influence of heat of high-temperature fluid can be suppressed or prevented, and the opening and closing operation can be performed with high precision.