Ultrasonic measuring device including a reflection device

Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy

Reexamination Certificate

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Reexamination Certificate

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11304007

ABSTRACT:
An ultrasonic measuring device having at least one ultrasonic transducer, an analyzer circuit, and a reflection surface provided within a flow pipe for a gaseous medium. The first ultrasonic transducer and the second ultrasonic transducer are inclined toward one another, the electronic analyzer circuit being situated between the first ultrasonic transducer and the second ultrasonic transducer. The reflection surface of a reflection device is designed to be essentially convex on its side facing the ultrasonic transducers.

REFERENCES:
patent: 3906791 (1975-09-01), Lynnworth
patent: 4754650 (1988-07-01), Smalling et al.
patent: 6418796 (2002-07-01), Baumoel
patent: 6854339 (2005-02-01), Moscaritolo et al.
patent: 6901812 (2005-06-01), Moscaritolo et al.
patent: 2002/0178836 (2002-12-01), Shinmura et al.
patent: 0 477 418 (1992-04-01), None

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