NBC-building protection system and method

Details NBC-building protection system and method NBC-building protection system and method

2008-04-08

2008-04-08

Smith, Duane (Department: 1797)

Gas separation: processes

Filtering

C055S312000, C055S315000, C055S318000, C055S327000, C055S332000, C055S385200, C055S385600, C055S486000, C055SDIG034, C095S008000, C096S136000, C096S142000, C096S417000

Reexamination Certificate

active

07354473

ABSTRACT:
A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for sucking air through the prefilter, a second chamber having a valve including an open and closed state, receiving air from the blower and accommodating a C-detector and a valve actuator responsible, at least indirectly to, and operable by, the C-detector, and a third chamber housing at least one C-filter and a blower for sucking air from the second chamber via the C-filter into the building when the valve is in its closed state. A method for economically controlling air purity within a protected space is also provided.

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