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:
Nov. 09, 2021
Filed:
May. 01, 2018
Fuji Electric Co., Ltd., Kawasaki, JP;
Masami Kishiro, Kawasaki, JP;
Yasufumi Morimoto, Kawasaki, JP;
FUJI ELECTRIC CO., LTD., Kawasaki, JP;
Abstract
A fluid measuring apparatus, including a pair of ultrasonic wave probes in which one is disposed more upstream than the other, a processor, and a non-transitory storage medium containing program instructions therein. The execution of the program instructions by the processor causes the fluid measuring apparatus to provide functions of a period measuring unit that measures a first propagation period during which ultrasonic wave propagates from the one ultrasonic wave probe to the other, and a second propagation period during which ultrasonic wave propagates from the other ultrasonic wave probe to the one ultrasonic wave probe, and a flow velocity measuring unit that derives a flow velocity of the fluid by cancelling errors in a first flow velocity that is derived by measuring the second propagation period after measuring the first propagation period, and a second flow velocity that is derived by measuring the first propagation period after measuring the second propagation period.