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. 13, 2023
Filed:
Sep. 03, 2019
Applicant:
Fujikin Incorporated, Osaka, JP;
Inventors:
Kohei Shigyou, Osaka, JP;
Takashi Hirose, Osaka, JP;
Assignee:
FUJIKIN INCORPORATED, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 7/14 (2006.01); F16K 27/00 (2006.01); F16K 31/00 (2006.01); F16K 27/02 (2006.01);
U.S. Cl.
CPC ...
F16K 7/14 (2013.01); F16K 27/0272 (2013.01); F16K 31/004 (2013.01); F16K 27/003 (2013.01);
Abstract
A diaphragm valve includes: a valve body having flow paths of fluids formed therein and having a diaphragm-arrangement portion on one surface; a diaphragm arranged in the diaphragm-arrangement portion and can open and close the flow path and adjust the opening degree of by elastic deformation; and a driving unit having a stem for pressing the diaphragm to elastically deform and an actuator for driving the stem, wherein the stem is axially movably held via a resin sleeve by a bonnet fixed to the valve body side.