Method and apparatus for after-treatment of hev exhaust
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United States of America Patent
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Mar 26, 2002
Grant Date -
N/A
app pub date -
Jul 21, 2000
filing date -
Aug 11, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vehicle includes an arrangement, such as an internal-combustion engine coupled with a generator, for converting the energy in fuel into electrical form, while generating exhaust. An exhaust cleaning arrangement, such as a catalytic converter, preferably operating at a high temperature, cleanses the exhaust. During deceleration of the vehicle, excess electrical energy is used to heat the exhaust cleaning arrangement.
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