Flattened profile diesel engine exhaust oxidizer

Details Flattened profile diesel engine exhaust oxidizer Flattened profile diesel engine exhaust oxidizer

1990-08-30

1992-03-24

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By electrolysis, electrical discharge, electrical field, or...

55131, 55DIG30, 60288, 60297, F01N 302

Patent

active

050976656

ABSTRACT:
A flattened profile emission oxidizing device for removing soot and other particulates from the exhaust gases of a diesel engine having an enclosure with a forward inlet for receiving diesel engine exhaust, a main flow path through the enclosure, a bypass through the enclosure for diverting flow from the main flow path, and a control means for selectively controlling the flow through the main flow path and the bypass in accordance with certain sensed conditons relating to the status of engine operation and the condition of a particulate trapping medium that is disposed in the main flow path. The main flow path has an electrostatic precipitator that is disposed in underlying relationship to the particulate trapping medium in the main flow path and a series of vanes are disposed in underlying relationship to the electrostatic precipitator and serve to redirect the exhaust flow passing through the main flow path and distribute the exhaust flow over the electrostatic precipitator and the trapping medium. A thermal stabilizer in the outlet of the device attenuates the peak temperatures of the exhaust gases.

REFERENCES:
patent: 327971 (1966-09-01), Baddorf
patent: 2822058 (1958-02-01), Roos
patent: 3446800 (1969-04-01), Messen-Jaschin
patent: 3798879 (1974-03-01), Schmidt-Burbach
patent: 4029482 (1977-06-01), Postma
patent: 4093432 (1978-06-01), Ahlrich
patent: 4380900 (1983-04-01), Linder

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