Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1978-12-05
1980-05-13
Hix, L. T.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181259, 181268, F01N 124
Patent
active
042024269
ABSTRACT:
Splitter type exhaust silencers are improved by providing means for preventing dust particles from depositing upon sound deadening fibers exposed to the dust carrying exhaust gas stream by providing a dust-free boundary layer gas stream to flow protectively over the fiber and insulate the exhaust gas stream from the fiber. In alternate protective means, thin sheets or strips of strong material such as metal foil are mounted protectively near the exposed fiber which vibrate in the exhaust stream passing thereover and tend to continuously displace and/or prevent dust from settling upon the fiber. The thin sheets may be used alternately or together with the dust-free boundary layer gas stream to prevent dust deposition upon the fiber.
REFERENCES:
patent: 3215172 (1965-11-01), Ardoin
patent: 3841434 (1974-10-01), Culpepper, Jr.
Fuller Benjamin R.
Hix L. T,.
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