Positive displacement pump monitor

Details Positive displacement pump monitor Positive displacement pump monitor

2008-07-22

2008-07-22

Chapman, John E (Department: 2856)

Measuring and testing

With fluid pressure

Leakage

C073S168000

Reexamination Certificate

active

07401500

ABSTRACT:
A positive displacement pump monitor. The monitor includes a sensor coupled to a housing of a pump for obtaining acoustic data therefrom. A proximity switch may be simultaneously used to keep real time timing information relative to the cycling of the pump. A data processor of the monitor may then be employed to analyze acoustic data and timing information to distinguish acceptable noise from leak information. An operator thereby may be warned of the presence of a leak in the pump.

REFERENCES:
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patent: 4705459 (1987-11-01), Buisine et al.
patent: 5008841 (1991-04-01), McElroy
patent: 6338283 (2002-01-01), Blazquez
patent: 6675665 (2004-01-01), Blazquez
patent: 2002/0023495 (2002-02-01), Morganti
patent: 2002/0124666 (2002-09-01), Navarro
patent: 2006/0254357 (2006-11-01), Ens et al.
patent: 03/091614 (2003-11-01), None
patent: 2004/102052 (2004-11-01), None

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