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Electronic control device for an internal combustion engine

  • US 5,345,908 A
  • Filed: 08/23/1993
  • Issued: 09/13/1994
  • Est. Priority Date: 07/04/1991
  • Status: Expired due to Term
First Claim
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1. An electronic control device for an internal combustion engine having running condition detecting means for detecting a running state of an engine, which controls at least one of a fuel quantity and an ignition timing of the engine in accordance with the running state, wherein a single fuel is supplied to said internal combustion engine, said electronic control device comprising:

  • acceleration detecting means for detecting an acceleration state of the engine;

    fuel property detecting means for detecting a specific weight of said fuel for characterizing said fuel as one of a heavy fuel and a light fuel based upon an index of refraction of said fuel and a temperature of said fuel; and

    correcting means for correcting at least one of the fuel quantity and the ignition timing in accordance with the specific weight of said fuel under the acceleration state.

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