Muffler for pneumatic apparatus

Details Muffler for pneumatic apparatus Muffler for pneumatic apparatus

1982-07-29

1984-05-22

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181239, 181241, 181243, 181256, F01N 110, F01N 118

Patent

active

044496095

ABSTRACT:
A muffler for use with pneumatically powered apparatus has a cylindrical housing with air outlet slots, to the back of which there is a pipe-like damper cartridge. Within the cartridge there is an axially adjustable choke body whose choke head is guided with a sliding fit by radial nosepieces resting against a support sleeve for the damper cartridge. A coned air flow controlling part of the choke head is used together with a coned face of the inner end of a connection inlet hole of the housing for forming an adjustable choke gap.

REFERENCES:
patent: 3547223 (1970-12-01), Gibel
patent: 3561561 (1971-02-01), Trainor
patent: 4226298 (1980-10-01), Bancel et al.
patent: 4367807 (1983-01-01), Fink et al.

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