HEPA filter module

Details HEPA filter module HEPA filter module

1989-03-28

1990-05-29

Hart, Charles

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55321, 55500, 55DIG3, B01D 4600

Patent

active

049292617

ABSTRACT:
A HEPA-type filter including a cannister body with an inlet and outlet coupled through a filter unit having at least one prefilter and a HEPA-type filter therein. The prefilter protects the HEPA-type filter from moisture and clogging. The module can include a fume hood to prevent hazardous material from escaping when a cannister liner or bag is replaced. The module can form part of the vacuum system for a hazardous waste removal system and is coupled to a conventional separate vacuum source for operation thereof.

REFERENCES:
patent: 4312645 (1982-01-01), Marros et al.
patent: 4613348 (1986-09-01), Natale
patent: 4682448 (1987-07-01), Healey
patent: 4723971 (1988-02-01), Caldas
patent: 4726825 (1988-02-01), Natale
patent: 4765352 (1988-08-01), Strieter

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