Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-01-03
1980-05-06
Engle, Samuel W.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
F02P 504
Patent
active
042011639
ABSTRACT:
The angle through which the crankshaft of an engine rotates within any given time is proportional to the rotational speed of the engine. Consequently, where the ignition system is of the type in which the integrated value of an integrator circuit or the count value of a counter circuit is varied so as to control the spark advance, if the rate of increase or decrease of the integrated value or the count value within a portion of the increasing or decreasing time is made different from that within the remaining portion of the time, the integrated value or the count value is directly affected by the engine rotational speed. In other words, the spark advance is directly controlled by the factor of the engine rotational speed, thus ensuring satisfactory response characteristic and accuracy for the ignition system.
REFERENCES:
patent: 3811420 (1974-05-01), Vogel
patent: 3854465 (1974-12-01), Adams
patent: 3890944 (1975-06-01), Werner et al.
patent: 3938485 (1976-02-01), Yoshizu et al.
patent: 3943896 (1974-03-01), Green et al.
patent: 3989024 (1976-11-01), Lai et al.
patent: 4020807 (1977-05-01), Del Zotto et al.
patent: 4041912 (1977-08-01), Sessions
patent: 4125097 (1978-10-01), Gunderson
Hattori Tadashi
Kurii Masaaki
Makita Kunio
Nishida Minoru
Ueno Yoshiki
Cangialosi S. A.
Engle Samuel W.
Nippon Soken Inc.
Nippondenso Co. Ltd.
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