Internal-combustion engines – Igniters – Incandescent
Patent
1976-09-28
1978-06-20
Myhre, Charles J.
Internal-combustion engines
Igniters
Incandescent
123117R, F02P 900
Patent
active
040955761
ABSTRACT:
A dwell time control system for an internal combustion engine which controls the dwell time in response to the operating conditions of the engine in accordance with the charging and discharging of at least one capacitor.
First and second crankshaft angular positions are predetermined such that the former is in an advance position than the latter with respect to the crankshaft rotation. A capacitor starts charging at the second crankshaft angular position and stops charging at the ignition time at which the flow of current in the primary winding of the ignition coil is switched off. The charge of the capacitor is maintained until the next first crankshaft angular position following this ignition time. At the next first crankshaft angular position the capacitor starts to discharge and the flow of current is restarted in the primary winding upon completion of the discharging of the capacitor.
REFERENCES:
patent: 3831571 (1974-08-01), Weber
patent: 3867916 (1975-02-01), Bigalke
patent: 3881458 (1975-05-01), Roozenbeek et al.
patent: 3890944 (1975-06-01), Werner et al.
patent: 3937193 (1976-02-01), Kim
patent: 3940658 (1976-02-01), Allred
patent: 3943896 (1976-03-01), Green et al.
patent: 3995608 (1976-12-01), Suda
patent: 4008698 (1977-02-01), Gartner
patent: 4020807 (1977-05-01), Del Zotto et al.
Hattori Tadashi
Nishida Minoru
Ueno Yoshiki
Dolinar Andrew M.
Myhre Charles J.
Nippon Soken Inc.
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