Muffler for air operated hand tools and other pneumatic devices

Details Muffler for air operated hand tools and other pneumatic devices Muffler for air operated hand tools and other pneumatic devices

1995-08-04

1996-12-03

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181237, 181241, F01N 302

Patent

active

055810551

ABSTRACT:
A retrofittable muffler to reduce noise associated with air-operated hand tools and other working devices provides a housing with an inner expansion chamber and an outer expansion chamber so that at least a portion of spent pneumatic fluid passes from the pneumatic device, through the internal expansion chamber, and through the outer expansion chamber prior to discharge to atmosphere through exhaust ports in the housing.

REFERENCES:
patent: 2453240 (1948-11-01), Malmros
patent: 3270834 (1966-09-01), Bratt
patent: 3323615 (1967-06-01), Kessler
patent: 3802538 (1974-04-01), Brown
patent: 3880252 (1975-04-01), Mucka
patent: 3891049 (1975-06-01), Stroezel et al.
patent: 3918549 (1975-11-01), Murphy
patent: 4113052 (1978-09-01), McElroy
patent: 4134472 (1979-01-01), Trainor
patent: 4161996 (1979-07-01), Dolejsi
patent: 4244442 (1981-01-01), Scarton et al.

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