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:
Sep. 29, 2020
Filed:
Jul. 24, 2018
Azbil Corporation, Chiyoda-ku, JP;
Yoshio Yamazaki, Chiyoda-ku, JP;
Yasuhiko Oda, Chiyoda-ku, JP;
AZBIL CORPORATION, Chiyoda-ku, JP;
Abstract
A thermal flowmeter includes a casing, a ferrule, a measuring tube penetrating through the ferrule, a sensor for flow rate detection, a joint shaft movably supported by end portions of the casing, one end portion of the joint shaft being connected to the measuring tube and the ferrule with a through hole of the joint shaft and a hollow portion of the measuring tube communicating with each other, the other end portion of the joint shaft sticking out of the casing, and a screw thread-fitted to each of the end portions of the casing, and including a pressing portion pressing the joint shaft into an inside of the casing. A seal structure includes a first tapered surface formed on the ferrule and a second tapered surface formed on the joint shaft and fitting the first tapered surface, and is provided between the ferrule and the joint shaft.