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Device for controlling engine speed using dual governors

  • US 6,092,504 A
  • Filed: 08/04/1998
  • Issued: 07/25/2000
  • Est. Priority Date: 08/04/1998
  • Status: Expired due to Fees
First Claim
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1. An apparatus for controlling the minimum and maximum speed of an engine, the apparatus comprising:

  • a minimum speed governor;

    a maximum speed governor;

    data processing means operable to provide a low idle speed error signal to the minimum speed governor, the low idle speed error signal being based on the difference between a desired low idle speed and engine speed;

    the data processing means being further operable to provide a high idle speed error signal to the maximum speed governor, the high idle speed error signal being based on the difference between a desired high idle speed and engine speed;

    the minimum speed governor being operable to provide a low idle fuel quantity signal; and

    the maximum speed governor being operable to provide a high idle fuel quantity signal.

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