Apparatus for afterburning the exhaust gases of an internal comb

Details Apparatus for afterburning the exhaust gases of an internal comb Apparatus for afterburning the exhaust gases of an internal comb

1974-02-11

1976-09-28

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

23277C, 60290, 60303, 60306, F01N 314, F02B 7510

Patent

active

039823970

ABSTRACT:
An apparatus for afterburning the combustible pollutants from the exhaust gases of an internal combustion engine in a reactor, in which secondary air is introduced. Upstream of the reactor, a chamber in the form of a torus is provided, through which the exhaust gases from a maximum number of cylinders flow before entering the reactor. A first obstacle, acting as a flame holder is disposed inside the torus. The reactor comprises a chamber whose inner surface is approximately a surface of revolution, and mounted inside of which is a second obstacle, acting as flame holder, substantially along the axis of revolution. The second flame holder has a diameter large enough to provide a contact time of 1 to 3 .times. 10.sup.-.sup.3 seconds of the gas flow in a recirculation zone surrounding the second flame holder, the diameter of the second flame holder being 15 to 40% of the reactor diameter.

REFERENCES:
patent: 1839880 (1932-01-01), Hyatt
patent: 2829731 (1958-04-01), Clayton
patent: 3066755 (1962-12-01), Diehl
patent: 3166895 (1965-01-01), Slayter
patent: 3170280 (1965-02-01), Rees
patent: 3460916 (1969-08-01), Aronsohn
patent: 3595015 (1971-07-01), Kretschmer
patent: 3669630 (1972-06-01), Filatov
patent: 3788070 (1974-01-01), Camarasa
patent: 3804597 (1974-04-01), Inoue
patent: 3837814 (1974-09-01), Tanasawa

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