Exhaust gas-purifying system for internal combustion engines

Details Exhaust gas-purifying system for internal combustion engines Exhaust gas-purifying system for internal combustion engines

1996-04-18

1997-11-25

Richter, Sheldon

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

60284, 60286, 60300, F01N 900

Patent

active

056899521

ABSTRACT:
An exhaust gas-purifying system for an internal combustion engine includes an alternator driven by the engine. A regulator controls voltage generated by the alternator. An electrically-heated catalyzer is arranged in the exhaust system of the engine and connected to the alternator to be electrically heated by electric power generated by the alternator. An ECU controls the regulator to control the voltage generated by the alternator and supplied to the electrically-heated catalyzer, according to a degree of aging of the electrically-heated catalyzer.

REFERENCES:
patent: 5191763 (1993-03-01), Yuuki
patent: 5390493 (1995-02-01), Fujishita et al.
patent: 5404720 (1995-04-01), Laing
patent: 5503804 (1996-04-01), Fujishita et al.
patent: 5539286 (1996-07-01), Brinkmeyer et al.

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