Acceleration device of exhaust gas stream for an internal combus

Details Acceleration device of exhaust gas stream for an internal combus Acceleration device of exhaust gas stream for an internal combus

1989-03-06

1991-05-14

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Exhaust and external fluid mingling structure

60324, F01N 504

Patent

active

050145126

ABSTRACT:
This invention provides a device for accelerating an exhaust gas stream discharged from the combustion chamber of an internal combustion engine the flow velocity of said gas stream having been lowered under the internal resistance by passing through the exhaust system ducts, machinery and tools such as catalyzers, mufflers interposed in the exhaust gas stream. The exhaust gas stream the flow velocity of which is accelerated through an acceleration portion or portions as much as possible to the flow velocity of the exhaust gas stream discharged immediately after it has been discharged from the combustion chamber is discharged into the air. As a result thereof, the exhausting efficiency can be improved and the exhausting characteristics are stabilized so that the rotational output is stabilized at the time of low-speed driving, and the decrease of the back pressure contributes at the time of high-speed driving so that it has the advantages that the so-called stretching of the rotation becomes better.

REFERENCES:
patent: 1025251 (1912-05-01), Desmond
patent: 1865677 (1932-07-01), Cheyney
patent: 3045422 (1962-07-01), Houdry
patent: 3658042 (1972-04-01), Balluff
patent: 4348862 (1982-09-01), Fujikawa

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