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Control system for engine-operated automotive accessories

  • US 4,688,530 A
  • Filed: 01/24/1986
  • Issued: 08/25/1987
  • Est. Priority Date: 01/25/1985
  • Status: Expired due to Fees
First Claim
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1. A control system for an accessory of an automobile, comprising:

  • an engine;

    an engine output detector for detecting the output of said engine;

    a gear transmission coupled to said engine and responsive to detection of an idling condition of the automobile for selecting a neutral gear position;

    an accessory drivable by the engine;

    a clutch disposed between said accessory and said engine for connecting and disconnecting the output of said engine to said accessory;

    a speed sensor for detecting the speed of travel of the automobile from said gear transmission; and

    control means for comparing an actual running condition of the automobile with a prescribed running condition in which the output of the engine and the speed of the automobile are lower than respective prescribed levels; and

    for inhibiting operation of said accessory by disconnecting said clutch when the automobile is under said prescribed running condition.

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