Air purification apparatus

Details Air purification apparatus Air purification apparatus

1990-02-22

1992-01-07

Woo, Jay H.

Gas separation

With means facilitating transportability or handling of...

55467, 55490, 55493, B01D 3530

Patent

active

050787640

ABSTRACT:
An air purification apparatus has an inner housing with an air inlet and an air outlet. The inner housing is fabricated of sheet metal material which can be contoured for mounting interior components, such as a blower and a HEPA filter, directly to the inner housing itself, without requiring extraneous mounting brackets, mounting flanges and the like. An outer housing is secured substantially about the inner housing with portions thereof spaced from the inner housing and having an air inlet and an air outlet communicating respectively with the air inlet and the air outlet of the inner housing. In the preferred embodiment, the outer housing is fabricated of molded plastic material, with integrally molded vertical reinforcing ribs, and a recessed integral ring about the outlet for storing an electrical cord. Closures are provided for the inlet and the outlet of the outer housing to seal the housing when the apparatus is not in use.

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patent: 4778496 (1988-10-01), Conrad
patent: 4786295 (1988-11-01), Newman et al.
patent: 4838910 (1989-06-01), Stollenwerk et al.
patent: 4932988 (1990-06-01), Lutterbach et al.

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