Internal-combustion engines – Engine speed regulator – Engine speed reduction by fuel cutoff
Patent
1980-12-02
1982-05-11
Nelli, Raymond A.
Internal-combustion engines
Engine speed regulator
Engine speed reduction by fuel cutoff
123613, 123414, 1231465A, 123331, F02P 504
Patent
active
RE0309281
ABSTRACT:
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 predetermined degree. The first signal starts a timer into operation, the timer producing a timer pulse of predetermined 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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Fuzzell Joe E.
Turnquist Paul E.
Caterpillar Tractor Co.
Hart Frank L.
Nelli Raymond A.
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