Sound absorber for blower

Details Sound absorber for blower Sound absorber for blower

1997-08-06

1999-04-13

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181225, E04F 1704

Patent

active

058941142

ABSTRACT:
A sound absorber for a blower has a housing having an air inlet opening, an axially arranged air outlet passage, and a substantially spiral-shaped passage which connects the air inlet opening with the air outlet passage, a sound absorption material which forms walls of the substantially spiral-shaped passage, and reflector which at least partially surrounds the air outlet passage and screens the air outlet passage in direction of an air inlet opening.

REFERENCES:
patent: 2731194 (1956-01-01), Kent
patent: 4751980 (1988-06-01), De Vane
patent: 4872528 (1989-10-01), Goplen et al.
patent: 5266753 (1993-11-01), Muschelknautz et al.

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