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.

Date of Patent:
May. 11, 2010

Filed:

Jun. 03, 2003
Applicants:

Yasushi Takeda, Sapporo-Shi, Hokkaido, JP;

Michitsugu Mori, Tokyo, JP;

Inventors:

Yasushi Takeda, Sapporo-Shi, Hokkaido, JP;

Michitsugu Mori, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A doppler ultrasonic flowmeter including: an ultrasonic transmission member for casting ultrasonic pulses onto the fluid within a fluid tube, which is to be measured, along a measurement line from an ultrasonic transducer, a flow-speed distribution measurement unit for receiving ultrasonic echoes reflected from the measurement region due to ultrasonic pulses cast onto the fluid to be measured so as to measure the flow-speed distribution of the fluid to be measured in the measurement region; a flow measurement unit for measuring the flow of the fluid to be measured; and a transducer position adjusting mechanism for adjusting the relative position of a pair of ultrasonic transducers serving as the ultrasonic transmission member, a first transducer and a second transducer, which are disposed away one from another along the axial direction of a fluid tube.


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