Device for the catalytic cleaning or other treatment of internal

Details Device for the catalytic cleaning or other treatment of internal Device for the catalytic cleaning or other treatment of internal

1990-03-16

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...

60311, 60322, 55466, 55DIG30, 422171, 422180, F01N 328

Patent

active

050940732

ABSTRACT:
Device for the catalytic cleaning of or soot removal from exhaust gases of internal combustion engines, comprising a housing that has two open end zones connected to an exhaust gas line and a flow passage for the exhaust gases between the end zones. Two flow-carrying exhaust gas treating bodies are held in housing one behind another in the direction of flow and at spaced locations from one another. A protective ring, is provided surrounding the space between the two exhaust gas treating bodies on the outside. The protective ring is held in the housing in a form-fit manner in the axial direction by a holding member surrounding it on the outside. An axial clearance is provided between the protective ring and at least of the two exhaust gas treating bodies in the installed state.

REFERENCES:
patent: 3978567 (1976-09-01), Vroman
patent: 4278639 (1981-07-01), Tadokoro
patent: 4425304 (1984-01-01), Kawata

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