Engine exhaust gas purification system

Details Engine exhaust gas purification system Engine exhaust gas purification system

1994-03-22

1995-10-24

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60277, 60285, 60289, F01N 322

Patent

active

054599970

ABSTRACT:
An exhaust gas purification system having a catalyst for removing nitrogen oxides from exhaust gas causes the temperature range of activation of the catalyst to shift toward the higher temperature side when the degree of oxidation of the catalyst becomes pronounced.

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