Sonic- or ultrasonic flowmeter

Details Sonic- or ultrasonic flowmeter Sonic- or ultrasonic flowmeter

2006-05-16

2006-05-16

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

Reexamination Certificate

active

07044001

ABSTRACT:
A sonic- or ultrasonic flowmeter, suitable for replacement of differential pressure flowmeters, comprising: a pipe segment, to be connected to a first and a second pipe, each having a diameter, which complies to an industry standard for pipe diameters used in differential pressure flow measurement, having a length (L), which is equal to a standard length for a flow restricting element of a differential pressure flowmeter, having a diameter (D), which is equal to a standard for pipe diameters used in differential pressure flow measurement, comprising a first standard connector located on a first end of the pipe segment, and a second standard connector located on a second end of the pipe segment, a primary flow sensor, comprising at least one sonic- or ultrasonic transducer for transmission and/or reception of sonic- or ultrasonic signals through the pipe segment, mounted on the pipe segment, and a sensor electronic for providing a measurement signal representing a flow of fluid through the pipe segment, based on signals received by the sonic- or ultrasonic transducers.

REFERENCES:
patent: 4596133 (1986-06-01), Smalling et al.
patent: 4823612 (1989-04-01), Ichino
patent: 5090252 (1992-02-01), Tschirner
patent: 6508134 (2003-01-01), Feller
patent: 6865957 (2005-03-01), Hughes et al.
patent: 2003/0084732 (2003-05-01), Ehrlich et al.

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