Muffler for a textile interlacing jet

Details Muffler for a textile interlacing jet Muffler for a textile interlacing jet

1982-03-08

1983-12-06

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181282, 226 97, 28271, F01N 108

Patent

active

044187890

ABSTRACT:
A textile interlacing jet is used to muffle noise in the frequency range of 3 kHz to 20 kHz by providing abrupt cross-sectional area changes. The jet includes a main body with a yarn inlet and a yarn outlet at opposite ends. A first reactive muffler is disposed in association with the yarn inlet and includes an expansion chamber and a restricted inlet to the expansion chamber, the ratio of the cross-sectional area of the expansion chamber to that of the restricted inlet being at least about 9:1, and preferably at least about 25:1. A second reactive muffler is disposed in association with the yarn outlet, and has similar abrupt cross-sectional area changes. A plurality of expansion chambers and restricted outlets may be provided in the second reactive muffler.

REFERENCES:
patent: 3127729 (1964-04-01), Head
patent: 3713509 (1973-01-01), Carroll
patent: 3911655 (1975-10-01), London, Jr. et al.
patent: 4030651 (1977-06-01), Weiss et al.
patent: 4043008 (1977-08-01), Weiss et al.
patent: 4110876 (1978-09-01), Weiss et al.
patent: 4141121 (1979-02-01), Trifunovic
patent: 4141122 (1979-02-01), Trifunovic

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