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:
May. 22, 1990
Filed:
May. 05, 1989
Applicant:
Inventor:
Kouzi Kawai, Higashi-Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ; F16K / ;
U.S. Cl.
CPC ...
137554 ; 137486 ; 25112904 ; 7386175 ;
Abstract
A butterfly valve having a function for measuring a flow rate of a fluid flowing through the butterfly valve includes a main body, a valve shaft fixed rotatably to the main body, a valve member fixed to the valve shaft and mounted rotatably in the main body, a valve opening detection device for detecting a valve opening of the butterfly valve, and a torque detection device for detecting a dynamic torque applied to the valve member around the valve shaft by the fluid.
Quick Actions:
Kawai, Kouzi. (1990). Butterfly valve having a function for measuring a flow rate and method (U.S. Patent No. 4926903). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4926903
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile