Noise reduction

Acoustics – Auditorium

Patent

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Details

181 36D, 181 61, F01N 104, F01N 718, F01N 306

Patent

active

040363244

ABSTRACT:
The noise from gas and oil burners can be reduced by using a burner quarl comprising a ceramic tube which is permeable or which has at least one permeable zone along its length, and which is surrounded along the permeable part by parts of the length of the tube by at least one sound absorbing chamber.

REFERENCES:
patent: 1909511 (1933-05-01), Wilson
patent: 1968456 (1934-07-01), Kliefoth
patent: 2583366 (1952-01-01), Engels
patent: 3159237 (1964-12-01), Thomas
patent: 3192986 (1965-07-01), Haag
patent: 3620329 (1971-11-01), Wenzlaff
patent: 3638756 (1972-02-01), Thiele

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