Combination muffler and air filter

Details Combination muffler and air filter Combination muffler and air filter

1979-01-15

1980-01-22

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181243, 181258, 181267, 181269, F01N 124, F01N 718

Patent

active

041845641

ABSTRACT:
A combination muffler and air filter is provided having a central tubular member with spaced longitudinally disposed elongated slots. A disposable canister on the central tubular member is removably held in position by retainer caps engaged on the ends of the central tubular member. One of the retainer caps is adapted for connection to the exhaust conductor from a pneumatically operated device. The disposable canister has a perforated cylinder encasing a series of stacked annular members having both muffling and filtering properties. A perforated sleeve in the disposable canister supportively engages the inner periphery of the stacked annular members. A closure disc, fixed on each end of the perforated cylinder, holds the stacked annular members in a compact and compressed condition.

REFERENCES:
patent: 3380553 (1968-04-01), Gibel
patent: 3563338 (1971-02-01), Radar
patent: 3688870 (1972-09-01), Gibel
patent: 3719251 (1973-03-01), Hedrick
patent: 4134472 (1979-01-01), Trainor

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