Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-06-23
1978-03-28
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123148E, 123148S, F02P 504
Patent
active
040809404
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.
REFERENCES:
patent: 3739759 (1973-06-01), Sleder
patent: 3795235 (1974-03-01), Donohue et al.
patent: 3898962 (1975-08-01), Honig et al.
patent: 3901201 (1975-08-01), Miziguchi et al.
patent: 3903857 (1975-09-01), Honig et al.
patent: 3946709 (1976-03-01), Monpetit
patent: 3955549 (1976-05-01), Burson
patent: 4008701 (1977-02-01), Webber
patent: 4036190 (1977-07-01), Bigliani et al.
Fuzzell Joe E.
Turnquist Paul E.
Caterpillar Tractor Co.
Myhre Charles J.
Nelli R. A.
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