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Control of an Exhaust Gas Aftertreatment Device in a Hybrid Vehicle

  • US 20090025371A1
  • Filed: 06/17/2008
  • Published: 01/29/2009
  • Est. Priority Date: 06/19/2007
  • Status: Active Grant
First Claim
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1. A method for operating an internal combustion engine in a hybrid vehicle, the engine having a crankshaft, at least one cylinder and an exhaust gas aftertreatment device coupled to an exhaust of the engine, the hybrid vehicle having a fuel storage device and a fuel supply device, said method comprising:

  • pumping air to the exhaust gas aftertreatment device when the engine is off;

    commanding the fuel supply device to provide a desired amount of fuel to provide combustion in the exhaust gas aftertreatment device.

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