Intake air filter for the internal combustion engine of a motor

Details Intake air filter for the internal combustion engine of a motor Intake air filter for the internal combustion engine of a motor

1991-08-06

1992-06-09

Nozick, Bernard

Gas separation

Two or more separators

55498, 55502, B01D 4600

Patent

active

051203375

ABSTRACT:
An intake air filter for an internal combustion engine is disclosed which includes a housing having a raw air inlet for unfiltered air and a clean air outlet for filtered air and first and second annular filter inserts disposed concentrically one inside the other within the housing through which air flows radially from the outside to the inside, the first filter insert being an outer filter insert, and the second filter insert being a safety cartridge disposed within the first filter insert, the second filter insert being closed at one end with a cover plate; the other end of the second filter insert facing the air outlet, and the second filter insert being secured to the housing by a screw thread adjacent the air outlet.

REFERENCES:
patent: 3672130 (1972-06-01), Sullivan
patent: 4020783 (1977-05-01), Anderson et al.
patent: 4278455 (1981-07-01), Nardi

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