Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1978-05-19
1980-04-08
Argenbright, Tony
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 32EB, F02P 504
Patent
active
041967054
ABSTRACT:
In an electronic ignition control apparatus for a combustion engine, a first memory is provided to store a data indicating a first parameter in relation to rotation speed of the engine to read out a value of the first parameter in accordance with an instant rotation speed of the engine, the first parameter defining an ascent of a linear equation representing a relationship between an optimum period of time for spark advance and an amount of air sucked into the engine in consideration with the rotation speed, and a second memory is provided to store a data indicating a second parameter in relation to the rotation speed to read out a value of the second parameter in accordance with the instant rotation speed, the second parameter defining an ordinates' intersection of the linear equation. The control apparatus further comprises a calculation circuit for calculating the linear equation in accordance with an instant amount of the sucked air and the read-out values of the first and second parameters to obtain the optimum period of time for spark advance in relation to the instant amount of the sucked air.
REFERENCES:
patent: 3927648 (1975-12-01), Kawai et al.
patent: 4009699 (1977-03-01), Hetzler et al.
patent: 4034733 (1977-07-01), Noguchi et al.
patent: 4052967 (1977-10-01), Colling et al.
Hattori Tadashi
Kawase Tooru
Kobashi Mamoru
Ueno Yoshiki
Argenbright Tony
Nippon Soken Inc.
Toyota Jidosha Kogyo Kabushiki Kaisha
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