Check valve testing system

Details Check valve testing system Check valve testing system

1991-02-12

1992-11-03

Myracle, Jerry W.

Measuring and testing

Vibration

By mechanical waves

137554, 367 93, G01N 2900

Patent

active

051598353

ABSTRACT:
A method and apparatus for testing the operating condition of a check valve directs sound waves into the valve chamber of a check valve assembly and utilizes the collected signals of the reflected sound waves to generate various time lapse data corresponding to the valve disk position and movement, such time lapse data providing an analysis of the condition of the valve assembly.

REFERENCES:
patent: 4452074 (1984-06-01), Shelomentsev et al.
patent: 4542652 (1985-09-01), Reuter et al.
patent: 4543649 (1985-09-01), Head et al.
patent: 4704906 (1987-11-01), Churchill et al.

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