Self-cleaning air filter assembly

Details Self-cleaning air filter assembly Self-cleaning air filter assembly

1996-01-11

1997-05-27

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

55301, 55DIG28, F02B 7700

Patent

active

056322437

ABSTRACT:
The present invention involves a self-cleaning air filter assembly for an internal combustion engine. An air stream is directed into an air filter housing and a portion of the air stream is filtered by an air filter assembly which may include one or more filter media and the remaining portion of the air stream is discharged from the air filter housing through an exit opening. Particulates contained within the excess air are discharged along with the excess air through the exit openings and are not deposited on the air filter. Vibration of the air filter due to operation of the engine also loosens previously filtered particulates which are also discharged through the exit openings with the excess air. The cleaned air which is passed through the air filter is used in the combustion process.

REFERENCES:
patent: 4396407 (1983-08-01), Reese
patent: 4425145 (1984-01-01), Reese
patent: 5046458 (1991-09-01), Kronich
patent: 5133315 (1992-07-01), Reese
patent: 5553587 (1996-04-01), Conoscenti

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