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System and method for engine starting

  • US 7,159,568 B1
  • Filed: 11/30/2005
  • Issued: 01/09/2007
  • Est. Priority Date: 11/30/2005
  • Status: Active Grant
First Claim
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1. A system for an engine of a vehicle, comprising:

  • a cylinder of the engine;

    a first port injector configured to inject a first fuel to said cylinder;

    a second direct injector configured to inject a second fuel to said cylinder, where said first fuel has a lower alcohol content than said second fuel; and

    a controller configured to, during a first operating condition, commence combustion in the engine by injecting fuel into said cylinder from only said first injector during a first start, and during a second operating condition, to commence combustion in the engine by injecting fuel into said cylinder from only said second injector during a second start.

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