Method of construction for a low cost plastic ultrasonic...

Details Method of construction for a low cost plastic ultrasonic... Method of construction for a low cost plastic ultrasonic...

2006-07-28

2009-12-22

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

Reexamination Certificate

active

07634950

ABSTRACT:
There is described an ultrasonic flow meter comprising a pipe having two ends, electronic circuitry, a first enclosure housing the electronic circuitry, a second enclosure housing the pipe, and a plurality of ultrasonic transducers attached to an external surface of the pipe in the second enclosure. The first enclosure is watertight, whereas the second enclosure is not watertight. The two ends of the pipe protrude from the second enclosure. Each transducer is covered by a respective cap and sealed from water ingress. Each transducer is connected to the electronic circuitry by a respective pair of wires.

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patent: 6874371 (2005-04-01), Smith et al.
patent: 2004/0261523 (2004-12-01), Cognot
patent: 29621964 (1997-04-01), None
patent: 1482284 (2004-12-01), None
patent: 2248502 (1992-04-01), None
patent: WO 2005/043092 (2005-05-01), None

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