Heavy duty air filter with multipurpose end seal

Details Heavy duty air filter with multipurpose end seal Heavy duty air filter with multipurpose end seal

1990-03-07

1991-11-12

Woo, Jay H.

Gas separation

Two or more separators

55498, B01D 5000

Patent

active

050644580

ABSTRACT:
An air filter assembly includes a housing, a primary filter cartridge within the housing, and an adapter member in the outlet opening which extends through one end wall of the housing. An annular elastomeric sealing member circumscribes the outlet opening and includes a pair of projecting portions, one of the projecting portions sealing engaging between the housing and the adapter member, and the other projecting portion providing a seal between the housing and the primary cartridge through a axially projecting, circumferentially extending sealing surfaces and also sealing between the secondary backup filter cartridge and the housing through a radially projecting, circumferentially extending sealing surface on the annular elastomeric sealing member.

REFERENCES:
patent: 3672130 (1972-06-01), Sullivan et al.
patent: 4020783 (1977-05-01), Anderson et al.
patent: 4159197 (1979-06-01), Schuler et al.
patent: 4222755 (1980-09-01), Grotto
patent: 4261710 (1981-04-01), Sullivan
patent: 4278455 (1981-07-01), Nardi
patent: 4304580 (1981-12-01), Gehl et al.
patent: 4314832 (1982-02-01), Fox
patent: 4634458 (1987-01-01), Craig
patent: 4758256 (1988-07-01), Machado
patent: 4759783 (1988-07-01), Machado

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