Temperature management of catalyst system for a variable displacement engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 9, 2002
Grant Date -
N/A
app pub date -
Dec 7, 2000
filing date -
Dec 7, 2000
priority date (Note) -
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Abstract
A system and method for controlling an internal combustion engine having a plurality of cylinders, at least some of which may be selectively deactivated to provide variable displacement operation, include managing temperature of at least one engine/vehicle component by monitoring the temperature of the component and controlling activation of at least one cylinder to control the temperature of the component. In one embodiment, the engine/vehicle component is an emission control device, such as a catalytic converter.
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