Muffler with variable damping characteristics

Details Muffler with variable damping characteristics Muffler with variable damping characteristics

1997-07-18

1999-06-29

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181254, 181265, 181272, F01N 100

Patent

active

059171618

ABSTRACT:
A muffler having a movable valve disk, with the help of which at least one of the tubes in the muffler housing can be opened and closed. The actuation organ for the valve disk is a corrugated tube, the fixed end of which is placed into an opening in the housing and the interior of which is connected to the atmosphere. As a result, the total pressure loss of the muffler is available as an actuation force.

REFERENCES:
patent: 3620330 (1971-11-01), Hall
patent: 4484659 (1984-11-01), Buchwalder
patent: 4903486 (1990-02-01), Finkle
patent: 5435347 (1995-07-01), Gillingham

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