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:
Apr. 08, 2025
Filed:
Mar. 30, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Makoto Nakano, Kyoto, JP;
Masamichi Hashida, Shiga, JP;
Tomoki Masuda, Osaka, JP;
Yuuji Nakabayashi, Nara, JP;
Hidetomo Nagahara, Kyoto, JP;
Abstract
The present disclosure provides an ultrasonic transceiver capable of stably measuring a fluid of high temperature and high humidity for a long period, and provides an ultrasonic flowmeter, an ultrasonic flow velocimeter, and an ultrasonic densitometer each including the ultrasonic transceiver. An ultrasonic transceiver () comprises a piezoelectric body () and an acoustic matching body () disposed in one face of the piezoelectric body (), wherein the acoustic matching body () includes: a top plate, a bottom plate, and a side wall that define a closed space; and a perpendicular partition wall formed substantially perpendicular to the bottom plate and adhering to the top plate and the bottom plate, thereby dividing a closed space.