Soot afterburner for motor-vehicle exhaust system

Details Soot afterburner for motor-vehicle exhaust system Soot afterburner for motor-vehicle exhaust system

1985-12-09

1987-09-15

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60297, 60298, 60303, 422169, 422174, 422175, F01N 322, F01N 326

Patent

active

046930787

ABSTRACT:
An afterburner for clearing soot from a particle-laden gas stream has a housing centered on an upright axis and having a generally cylindrical upper portion having a downwardly open lower end, and a lower portion tapering toward the axis from the lower end of the upper portion and having at the axis a downwardly closed lower end. An exhaust tube opens at the axis into the upper housing portion above the lower end thereof. A feed tube opening tangentially into the upper housing portion above the lower end thereof introduces the particle-laden gas stream tangentially into the upper housing portion. Thus the soot particles of the gas stream move inertially radially outward and descend in the housing to collect at the lower end of the lower housing portion. An electrical heating element at the axis at the lower end of the lower housing portion burns the soot particles collecting therein.

REFERENCES:
patent: 3013628 (1961-12-01), Jacobs
patent: 3197955 (1965-08-01), Cohn
patent: 3253400 (1966-05-01), Hass
patent: 3805523 (1974-04-01), Tanasawa
patent: 4164847 (1979-08-01), Johansen
patent: 4406119 (1983-09-01), Kamiya

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