Exhaust system of a reciprocating piston engine

Details Exhaust system of a reciprocating piston engine Exhaust system of a reciprocating piston engine

1990-07-16

1992-03-10

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60301, 422171, 422180, F01N 322, F01N 328

Patent

active

050940724

ABSTRACT:
A metal support catalyst is inserted into the exhaust pipe of a reciprocating piston engine. The catalyst comprises two monoliths spaced away from one another and surrounded by jacket tubes which are centered coaxially with respect to one another with a sliding fit in beads and crimpings of the outer jacket. At an air feeding point between the beads of the outer jacket, air is introduced between the two monoliths in the lower rotational speed range of the engine in order to achieve an afterreaction of the exhaust gases.

REFERENCES:
patent: 3906723 (1975-09-01), Matumoto et al.
patent: 3972687 (1976-08-01), Frietzsche
patent: 4049388 (1977-09-01), Scheitlin
patent: 4191013 (1980-03-01), Katahira et al.
patent: 4231220 (1980-11-01), Takeda
patent: 4235843 (1980-11-01), Tadokoro et al.
patent: 4235846 (1980-11-01), Abthoff
patent: 4394331 (1983-07-01), Gast
patent: 4425304 (1984-01-01), Kawata

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