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CONTROL SYSTEM HAVING VARIABLE-SPEED ENGINE-DRIVE FAN

  • US 20120260867A1
  • Filed: 04/14/2011
  • Published: 10/18/2012
  • Est. Priority Date: 04/14/2011
  • Status: Active Grant
First Claim
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1. A control system for a machine having an engine, comprising:

  • a cooling circuit;

    a heat exchanger associated with the cooling circuit;

    a sensor configured to generate a signal indicative of a temperature of the cooling circuit;

    a fan mechanically driven by the engine to direct air through the heat exchanger; and

    a controller in communication with the sensor and the engine, the controller configured to adjust a speed of the engine based on the signal.

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