Determination of gasket integrity by capacitance measurement

Details Determination of gasket integrity by capacitance measurement Determination of gasket integrity by capacitance measurement

2006-03-07

2006-03-07

Teresinski, John (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S663000

Reexamination Certificate

active

07009409

ABSTRACT:
A determination is made of the integrity of a gasket seal between two mating flange faces using capacitance measurement as an indication of the spacing between the flanges and thus the amount of gasket compression. The capacitance measurement can be made between a capacitor plate carried by the gasket and at least one of the flanges which serves as another capacitor plate. A capacitance-measuring instrument connected to the plates provides a measured capacitance signal that can be provided to a signal-processing instrument such as a personal computer. Further, the personal computer can be linked to a remote data center over a communications link for the transfer of gasket compression data.

REFERENCES:
patent: 4388668 (1983-06-01), Bell et al.
patent: 4969105 (1990-11-01), Gaenssle
patent: 5121929 (1992-06-01), Cobb
patent: 5581019 (1996-12-01), Minor et al.

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