Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-11-01
1978-10-10
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 32EC, 123 32EB, 364431, F02P 504, F02B 300
Patent
active
041190696
ABSTRACT:
A time base generator is adapted to deliver a first and a second clock signal whose frequencies are fixed and in a ratio equal to a predetermined multiple. A forward counter counts the number of pulses of the second clock signal produced between two successive pulses of an input signal. A first buffer memory stores that number during the next counting period of the forward counter. A backward counter counts down number stored in the buffer memory in synchronism with the first clock signal. A first gate produces an output pulse at the end of each count-down of said number by the backward counter and applies that output pulse to the backward counter to control a new countdown of said number. By using as input signal the signal of a pick-up delivering one pulse per revolution of a rotating member, one obtains an angular coding of the rotation of this member. The apparatus may be used for controlling the ignition advance angle of an internal combustion engine.
REFERENCES:
patent: 3903857 (1975-09-01), Honig et al.
patent: 3919987 (1975-11-01), Haubner et al.
patent: 3927304 (1975-12-01), Wentworth et al.
patent: 3946709 (1976-03-01), Monpetit
patent: 3998193 (1976-12-01), Ives et al.
patent: 4034719 (1977-07-01), Monpetit
Comfort James T.
Donaldson Richard L.
Grossman Rene
Lall P. S.
Myhre Charles J.
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