Leak noise correlator apparatus

Details Leak noise correlator apparatus Leak noise correlator apparatus

1997-09-22

1999-07-13

Brock, Michael

Measuring and testing

With fluid pressure

Leakage

73592, G01M 300, G01N 2900

Patent

active

059229420

ABSTRACT:
A leak noise correlator apparatus comprises first and second data logging units having acoustic transducers connected to them for application to a fluid-carrying pipe either side of a suspected leak. One data logging unit is arranged to communicate an initialising signal to the other unit to synchronise the substantially simultaneous acquisition of signals by the two units. This initialising signal is communicated by an infra-red link when the two units are brought together prior to installation at their respective sites on the pipe. Subsequent cross-correlation of the acquired data records determines the location of the leak.

REFERENCES:
patent: 4083229 (1978-04-01), Anway
patent: 4289019 (1981-09-01), Claytor
patent: 4640121 (1987-02-01), Leuker et al.
patent: 4858462 (1989-08-01), Coulter et al.
patent: 5205173 (1993-04-01), Allen
patent: 5416724 (1995-05-01), Savic
patent: 5531099 (1996-07-01), Russo
patent: 5548530 (1996-08-01), Baumoel

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