Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Patent
1996-03-14
1998-02-10
Biegel, Ronald L.
Measuring and testing
Volume or rate of flow
By measuring vibrations or acoustic energy
7386128, G01F 100
Patent
active
057171459
ABSTRACT:
The flow meter is free from an external fluid flow noise. The detector has measuring pipe 1, inlet 2 and outlet 3 both axially lined up with base axis X. Pipe 1 is a straight one with opposite upstream and downstream closed ends, provided in each of which ends is echo sounder 4a, 4b capable of both transmitting and receiving the ultrasound. Inlet 2 is connected with a side of the upstream end via bent 2a. Outlet 3 is connected with another side of the downstream end via another bent 3a, which another side is radially opposite to the former side part in pipe 1 so that pipe 1 is tilted at a certain angle from base axis X which is axially lined up with axes of both inlet 2 and outlet 3; and, a center of base axis X coincides with a center of a flow path of a measured fluid inside pipe 1.
(See FIG. 1)
REFERENCES:
patent: 3641817 (1972-02-01), Dory
patent: 5179862 (1993-01-01), Lynnworth
patent: 5458004 (1995-10-01), Van Der Pol
Kato Shigemi
Sugi Tokio
Yasuhara Takeshi
Biegel Ronald L.
Kei Instrument Kabushiki-Kaisha
Tokyo Keiso Kabushiki-kaisha
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