Method and apparatus for testing the integrity of filter element

Details Method and apparatus for testing the integrity of filter element Method and apparatus for testing the integrity of filter element

1992-06-09

1995-05-23

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

73 40, G01M 326

Patent

active

054171016

ABSTRACT:
A method and apparatus for testing the integrity of filter elements is provided. The filter assembly comprises a plurality of filter elements which are subdivided into a plurality of sections. By measuring the gas flow rate under known pressure conditions through all of the sections or a selected portion of the sections, defective filter elements can be isolated in a systematic manner.

REFERENCES:
patent: 4449392 (1984-05-01), Huschke
patent: 4511471 (1985-04-01), Muller
patent: 4614109 (1986-09-01), Hofmann
patent: 4701861 (1987-10-01), Kauke
patent: 4872974 (1989-10-01), Hirayama et al.
patent: 4881176 (1989-11-01), Kononov
patent: 4909937 (1990-03-01), Hoffmann et al.
patent: 5005430 (1991-04-01), Kibler et al.
patent: 5064529 (1991-11-01), Hirayama et al.

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