Muffler for portable pneumatic tool

Details Muffler for portable pneumatic tool Muffler for portable pneumatic tool

1979-03-07

1980-06-03

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181258, 181275, F01N 110

Patent

active

042057329

ABSTRACT:
The invention relates to a muffler for portable pneumatic tools wherein the exhaust of the pneumatic motor is passed into an expansion chamber having a perforated outlet baffle biased to the direction of the flow in the chamber. The flow from the expansion chamber enters a muffler chamber having an outlet baffle also biased to the direction of fluid flow. Both the first and second baffle are formed in an end cap for the handle of the pneumatic tool and form a removable extension thereof.

REFERENCES:
patent: 1575657 (1926-03-01), Straussler
patent: 1666257 (1928-04-01), Furnivall et al.
patent: 2950775 (1960-08-01), Zwayer
patent: 3384200 (1968-05-01), Baker et al.
patent: 3880245 (1975-04-01), Anderson, Jr.
patent: 3993159 (1976-11-01), Amador

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