Filter systems

Details Filter systems Filter systems

1991-10-29

1992-07-21

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55481, 55502, 55DIG9, B01D 4600

Patent

active

051319314

ABSTRACT:
The invention concerns a filter system having a plurality of individual removable filter units disposed between inlet and outlet ducts for a gas flow path to filter the gas flow. The system comprises one or more filter ports between the inlet duct (3,5) and the outlet duct (4,6) to receive removable filter units (1), a transfer port (25) co-operable with and sealable by a flask (20) for the filter units, a seal plate (14) removably located in the transfer port, means (15) for removing the seal plate, a carriage (18) movable between the transfer port and the filter port or ports, means (15) for placing filter units on or removing filter units from the carriage adjacent to the transfer port and means (8) for placing filter units on or removing filter units from the carriage adjacent to the filter port or ports. The system may be used to filter from a gas flow harmful or potentially harmful substances, e.g. particles which are radioactive, toxic or biologically active.

REFERENCES:
patent: 4198221 (1980-04-01), Catlin et al.
patent: 4247315 (1981-01-01), Neumann
patent: 4266955 (1981-05-01), Hackney
patent: 4334896 (1982-06-01), Muller
patent: 4459140 (1984-07-01), Kuban et al.
patent: 4497642 (1985-02-01), Hackney

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