Means for treatment of the exhaust gases of combustion

Details Means for treatment of the exhaust gases of combustion Means for treatment of the exhaust gases of combustion

1987-12-07

1991-07-16

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60282, 60323, F01N 328

Patent

active

050314017

ABSTRACT:
The invention relates to a thermally, and optionally catalytically, operative exhaust gas treatment reactor of an engine, comprising filamentary material directly against and inside the heat insulating portion of a housing assembly which is placed on an engine over the exhaust ports, either directly or with a member interposed. Rapid warm up during cold start is achieved by restriction of gas flow, with the optional re-routing of exhaust gas, including routing to a reservoir which may be expansible. Other features include various embodiments of filamentary material, mechanism for accurately regulating exhaust gas recirculation and provision of extra air, the providing a secondary substance such as water/methanol or steam to induction charge to assist in the balancing of exhaust reactions. Treatment of exhaust gas is generally but not specifically to remove certain undesired pollutants from the exhaust gas of vehicles as required in many countries.

REFERENCES:
patent: 3043905 (1962-07-01), Sturtz
patent: 3247666 (1966-04-01), Behrens
patent: 3302394 (1967-02-01), Pahnke
patent: 3577727 (1971-05-01), Warren
patent: 3888081 (1975-06-01), Fitts
patent: 3918258 (1975-11-01), Gaschler
patent: 3983696 (1976-10-01), Pflugfelder

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