Silencer unit

Details Silencer unit Silencer unit

1983-03-14

1984-10-16

Hix, L. T.

Combustion

With means attenuating sound or pulsation

431 1, 122 24, 181272, F23D 1502

Patent

active

044772467

ABSTRACT:
A silencer unit has charging- and exhaust-side silencers which are integrally formed into a double-cylinder housing. The housing has an outer cylinder and an inner cylinder disposed in the outer cylinder. The charging-side silencer is connected to an air charging pipe of a pulse combustor to attenuate noise generated from the charging side of the combustor. The exhaust-side silencer is connected to an exhaust pipe of the combustor to attenuate noise generated from the exhausing side of the combustor. The charging-side silencer has a first low-frequency sound arresting chamber defined in the inner cylinder and a first high-frequency sound arresting chamber defined between the inner and outer cylinders. The exhaust-side silencer has a second low-frequency sound arresting chamber defined in the inner cylinder and a second high-frequency sound arresting chamber defined between the inner and outer cylinders.

REFERENCES:
patent: 2965079 (1960-12-01), Collinson
WO81/01456, May 28, 1981, PCT, Olsson et al.

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