Engine speed and direction control

Details Engine speed and direction control Engine speed and direction control

G - Physics

05

B

342/13.1

G05B 11/01 (2006.01) F02P 5/155 (2006.01)

Patent

CA 1087284

ENGINE SPEED AND DIRECTION CONTROL Abstract of the Disclosure An engine control wherein a shaft driven by the engine causes a first signal to be generated and then a second signal after the shaft has rotated through a pre- determined degree. The first signal starts a timer into operation, the timer producing a timer pulse of predeter- mined duration. Time coincidence of the timer signal and second signal indicates that a critical engine speed has been reached and such time coincidence is used to effect a control function. If the shaft rotates in the opposite direction the sequence of generation of the first and second signals in such direction is detected and used to generate a reverse-direction signal which is used to effect a control function. An automatic impedance-changing circuit enables the control to be used with a wide range of batteries.

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