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Control device for a vehicle engine

  • US 6,735,514 B2
  • Filed: 10/15/2001
  • Issued: 05/11/2004
  • Est. Priority Date: 10/16/2000
  • Status: Expired due to Term
First Claim
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1. A control device for a vehicle engine comprising:

  • a memory unit for storing engine configuration parameters, and comprising first and second memory portions being alternately used in an active state for storing a current version of the engine configuration parameters and in an inactive state for storing a new version of the engine configuration parameters;

    a processing unit for sending control signals to the engine based upon the engine configuration parameters, and for accessing one of said first and second memory portions in the active state for reading the current version of the engine configuration parameters therefrom; and

    an input/output unit connectable to an external device for modifying the engine configuration parameters, and for accessing one of said first and second memory portions in the inactive state for writing the new version of the engine configuration parameters thereto.

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