Engine shut-down for engine having adjustable valve timing

Details Engine shut-down for engine having adjustable valve timing Engine shut-down for engine having adjustable valve timing

2008-01-02

2009-06-23

Huynh, Hai H (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C123S090110, C123S322000, C123S347000

Reexamination Certificate

active

07549406

ABSTRACT:
A method for discontinuing combustion in a cylinder of an internal combustion engine having an intake manifold and an emission control device coupled downstream of thereof, where the cylinder has at least one valve, the method comprising during a shut-down and after a final combustion event in the cylinder, adjusting valve timing of the valve to reduce a flow of gasses from the engine to the emission control device.

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