Method and apparatus for in-situ testing of filtration systems

Details Method and apparatus for in-situ testing of filtration systems Method and apparatus for in-situ testing of filtration systems

2011-08-16

2011-08-16

Clemente, Robert A (Department: 1775)

Gas separation: processes

Filtering

With cleaning of filter

C055S385200, C095S273000, C096S399000, C096S413000

Reexamination Certificate

active

07998252

ABSTRACT:
Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

REFERENCES:
patent: 6067864 (2000-05-01), Peterson
patent: 2005/0120775 (2005-06-01), Grayfer et al.
patent: 2007/0044438 (2007-03-01), Morse et al.
PCT international search report and written opinion of PCT/US2008068631 dated Jan. 5, 2010.
International Search Report and Written Opinion in PCT/US08/68631, dated Sep. 17, 2008, 10 pages.

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