Aspirator muffler

Details Aspirator muffler Aspirator muffler

1976-07-16

1977-05-24

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

28 14, 57 1R, 57 773, 181 42, 226 97, B65H 5116

Patent

active

040246981

ABSTRACT:
A muffler for use in conjunction with an aspirator during the production of multifilament, synthetic yarn is provided. Audible noise which is emitted at the inlet end of the aspirator is reduced by up to 22.5 .DELTA.dB(A) and brought to within acceptable levels through the use of a perforated tube, resonant chamber, and sound absorbing means. The tension of the aspirated yarn is maintained by finishing the muffler inlet end with a high RMS surface.

REFERENCES:
patent: 3094262 (1963-06-01), Ashby et al.
patent: 3241234 (1966-03-01), Kiefer et al.
patent: 3423000 (1969-01-01), Heinen
patent: 3713509 (1973-01-01), Carroll
patent: 3718270 (1973-02-01), Parmeggiani et al.

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