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:
Jul. 06, 2021
Filed:
Jan. 08, 2019
Asahi Yukizai Corporation, Nobeoka, JP;
Takashi Nasu, Nobeoka, JP;
Shinobu Kamimura, Nobeoka, JP;
ASAHI YUKIZAI CORPORATION, Nobeoka, JP;
Abstract
An eccentric butterfly valve includes a valve body formed therein with an internal flow passage extending in a direction of the flow passage axis, a valve member supported by the valve body through valve stems to be rotatable about a rotation axis perpendicular to the flow passage axis, and a seat ring attached to an inner periphery of the internal flow passage. The valve stems include a first valve stem and a second valve stem. The valve body is formed therein with a stem through-hole through which the first valve stem is inserted and a stem bottomed-hole supporting the second valve stem. The valve member is provided with a fitting hole and an engagement groove. A fitting portion provided at the first valve stem is fitted into the fitting hole and an engagement portion provided at the second valve stem is inserted into the engagement groove.