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:
Oct. 11, 2022
Filed:
Feb. 21, 2020
Applicant:
Ckd Corporation, Komaki, JP;
Inventor:
Yasunori Nishimura, Komaki, JP;
Assignee:
CKD CORPORATION, Komaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/22 (2006.01); F16K 31/04 (2006.01); F16K 37/00 (2006.01);
U.S. Cl.
CPC ...
F16K 1/22 (2013.01); F16K 31/04 (2013.01); F16K 37/0025 (2013.01);
Abstract
A butterfly valve has a rod connected to a DD motor and disposed along a direction orthogonal to a flow path, and a butterfly valve body that is linked to the rod and that opens and closes the flow path due to the rod being rotated by the DD motor, wherein a linking body center of gravity, which is the center of gravity of a rotating liking body having at least the rod and the butterfly valve body as constituent members, is positioned on an axial line of a rotating shaft of the DD motor.