Emission control apparatus

Details Emission control apparatus Emission control apparatus

1989-09-25

1991-05-21

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

422176, 422177, 422180, F01N 328

Patent

active

050164384

ABSTRACT:
Improved emission control apparatus for use with an internal combustion engine having a housing with an inlet and outlet, the outlet being connected to the exhaust of the engine. Mounted in the housing at spaced locations are first and second catalytic cells through which the engine exhaust gases pass for conversion to less noxious compounds. Some of the gases passing through the first catalytic cell are returned upstream thereof for recirculation through said first catalytic cell. All of the gases pass through the second catalytic cell.

REFERENCES:
patent: 2288943 (1942-07-01), Eastman
patent: 3180712 (1965-04-01), Hamblin
patent: 3445196 (1969-05-01), Thomas
patent: 4601168 (1986-07-01), Harris

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