Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
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
Fuller Benjamin R.
Hix L. T,.
Martin Adolph G.
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