Ignition system battery for preheating of automotive catalytic c

Details Ignition system battery for preheating of automotive catalytic c Ignition system battery for preheating of automotive catalytic c

1992-03-11

1992-11-17

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60284, 60300, F01N 320

Patent

active

051632900

ABSTRACT:
Method and apparatus for initiating electrical preheating of the catalytic converter the exhaust gas system of an internal combustion engine. The latter includes an ignition system having a battery as the engine starting medium, which is provisionally connected to the catalytic converter's heater element to raise the catalytic converter from ambient temperature, to an intermediate temperature, and subsequently to a temperature at which the catalytic converter will most effectively function.

REFERENCES:
patent: 3455403 (1969-07-01), Hawthorne
patent: 4102127 (1978-07-01), Saiki
patent: 4227588 (1980-10-01), Biancardi
patent: 4674454 (1987-06-01), Phairr

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