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Safety limiter for engine speed

  • US 4,336,778 A
  • Filed: 02/29/1980
  • Issued: 06/29/1982
  • Est. Priority Date: 02/29/1980
  • Status: Expired due to Term
First Claim
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1. A method of controlling the operating speed of an internal combustion engine having an electrical ignition, an operator-actuated throttle control and means for sensing operator force upon the throttle control, and that drives a load through a centrifugal clutch, comprising the steps of:

  • sensing during engine operation lack of deceleration of the engine speed upon removal of actuating force from the throttle control, and interrupting the ignition in the absence of sensed deceleration upon removal of actuating force from the throttle control until the engine speed is below that necessary to engage the centrifugal clutch.

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