Patent ID: 11938351
Assignee: BETH-EL ZIKHRON YAAQOV INDUSTRIES LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 13:
14. An NBC filtration system configured to provide positive-pressure, purified air to one or more sealable outlet ports, the system comprising:
a casing body comprising a first section defining an inner volume therein, and a second section adjacent to the first section, the second section comprising an inlet port;
at least one NBC filter accommodated within the inner volume;
a lid comprising one or more outlet ports, which are sealable, the lid being openable to provide access to the inner volume and being securely closeable to affix the at least one NBC filter therein the inner volume; the lid and the at least one NBC filter defining, when the lid is securely closed, an outlet compartment there between;
a first seal configured for fluid sealing of the outlet compartment;
a second seal configured for fluid sealing of the second section; and
a blower housed within the casing body and fluidly coupled to the inlet port;
wherein sidewalls of the casing body and sidewalls of the NBC filter define a space between the first seal and the second seal that is ventilated to the atmosphere,
wherein the system is configured such that at least one inlet of the respective at least one NBC filter is fluidly coupled to the blower, and such that, when the lid is securely closed, at least one outlet of the respective at least one NBC filter is fluidly coupled to the outlet compartment so as to fluidly couple the outlet of the at least one NBC filter to the one or more outlet ports, the outlet compartment being otherwise fluidly sealed; and
wherein the system is further configured to accommodate in the inner volume the at least one NBC filter, when the at least one NBC filter is sealed within an air-proof wrapping, such that, when the lid is securely closed, the at least one NBC filter is securely stored within the inner volume.