Muffler with a scavenging effect

Details Muffler with a scavenging effect Muffler with a scavenging effect

1993-06-03

1994-01-18

Gellner, Michael L.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181253, 181257, F01N 102

Patent

active

052801438

ABSTRACT:
A muffler disposed close to the atmospheric discharge end of the exhaust system, consisting of an accelerating part (4) which accelerates the exhaust gas flow and a negative pressure chamber (5) which generates negative pressure in association with the acceleration thereof. Said negative pressure acts to connect the negative pressure chamber (5) with the flow-distributing chamber (2) disposed on the exhaust pipe (1) at the upper stream of the silencing part (19) by means of the bypass (9), in order to promote suction of the exhaust gas flow. The flow-distributing chamber (2), which has a larger cross-sectional area than that of the exhaust pipe (1), contains at its center an exhaust port (3) which is opened to the accelerating part (4), and flow-distributing holes (7) that are opened to the bypass (9) in the peripheral area.

REFERENCES:
patent: 4819428 (1989-04-01), Ciccarone
patent: 4905633 (1990-03-01), Kakuta
patent: 4909034 (1990-03-01), Kakuta
patent: 4913260 (1990-04-01), Fallon
patent: 4926638 (1990-05-01), Kakuta
patent: 5014512 (1991-05-01), Kakuta

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