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Engine with gaseous and/or liquid fuel injector

  • US 8,342,158 B2
  • Filed: 05/01/2012
  • Issued: 01/01/2013
  • Est. Priority Date: 07/23/2009
  • Status: Active Grant
First Claim
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1. A method of controlling an engine cylinder, comprising:

  • delivering liquid fuel to a first, direct, injector of the cylinder;

    delivering gaseous fuel to the second, port, injector of the cylinder; and

    transitioning the second injector from gaseous fuel to liquid fuel responsive to an injection rate of first injector being above a threshold.

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