RADIANT HEATING SYSTEMS AND METHODS FOR CATALYSTS OF EXHAUST TREATMENT SYSTEMS
First Claim
Patent Images
1. An exhaust treatment system comprising:
- M three-way catalysts that are arranged to receive exhaust gas output by an engine of a hybrid vehicle, wherein M is an integer greater than one;
N electrically heated catalysts (EHCs) that are arranged to receive said exhaust gas and that provide radiant heat to said M three-way catalysts when said N EHCs are powered, wherein N is an integer greater than one.
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Abstract
An exhaust treatment system comprises M three-way catalysts and N electrically heated catalysts (EHCs). The M three-way catalysts are arranged to receive exhaust gas output by an engine of a hybrid vehicle. M is an integer greater than one. The N EHCs are arranged to receive the exhaust gas and provide radiant heat to the M three-way catalysts when the N EHCs are powered. N is an integer greater than one.
11 Citations
20 Claims
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1. An exhaust treatment system comprising:
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M three-way catalysts that are arranged to receive exhaust gas output by an engine of a hybrid vehicle, wherein M is an integer greater than one; N electrically heated catalysts (EHCs) that are arranged to receive said exhaust gas and that provide radiant heat to said M three-way catalysts when said N EHCs are powered, wherein N is an integer greater than one. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 20)
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11. An exhaust treatment method comprising:
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implementing M three-way catalysts to receive exhaust gas output by an engine of a hybrid vehicle, wherein M is an integer greater than one; implementing N electrically heated catalysts (EHCs) to receive said exhaust gas, wherein N is an integer greater than one; and providing radiant heat to said M three-way catalysts using said N EHCs. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification