Combination muffler and air filter

Details Combination muffler and air filter Combination muffler and air filter

1977-08-29

1979-01-16

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181230, 181243, F01N 124

Patent

active

041344723

ABSTRACT:
A combination muffler and air filter, 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 or compressed air system. The other retainer cap has therein an annular sump, connected by lateral ducts to a drain opening. 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 of the perforated cylinders, holds the stacked annular members in a compact and compressed condition.

REFERENCES:
patent: 1857845 (1932-05-01), Hamilton
patent: 2815088 (1957-12-01), Gibel
patent: 3380553 (1968-04-01), Gibel
patent: 3563338 (1971-02-01), Rader
patent: 3811251 (1974-05-01), Gibel

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