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Methods and system for adjusting cylinder air charge of an engine

  • US 10,408,152 B1
  • Filed: 02/22/2018
  • Issued: 09/10/2019
  • Est. Priority Date: 02/22/2018
  • Status: Active Grant
First Claim
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1. An engine operating method, comprising:

  • injecting a first amount of fuel to a cylinder during a cycle of the cylinder in response to an open loop estimate of a cylinder air charge, wherein the open loop estimate of the cylinder air charge is a function of a first cylinder to fire since a most recent engine stop and an actual total number of combustion events since the most recent engine stop.

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