ZUENDANLAGE FUER BRENNKRAFTMASCHINEN MIT EINEM MAGNETGENERATOR

To suppress negative half-waves derived from a magneto armature and not used for ignition without use of external damping networks, the semiconductor switch controlling current flow, and abrupt turn-off to initiate an ignition event, is formed as a monolithic semiconductor element, and the inherent...

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Bibliographic Details
Main Authors OROVA, JOSEF, 8540 SCHWABACH, PODRAPSKY, JIRI, 8802 BUCHSCHWABACH
Format Patent
LanguageGerman
Published 04.12.1980
Edition3
Subjects
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Summary:To suppress negative half-waves derived from a magneto armature and not used for ignition without use of external damping networks, the semiconductor switch controlling current flow, and abrupt turn-off to initiate an ignition event, is formed as a monolithic semiconductor element, and the inherent inverse diode of the monolithic element is utilized to pass the reverse voltage half-waves. To prevent damage to the inherent diodes due to over-voltage or current overloading, a damping resistance element is connected in series with the main current carrying path of the monolithic circuit elements, preferably a Darlington transistor, which, preferably, is a semiconductor resistor having a preferred current passage characteristic in the same direction as the current flow through the Darlington transistor, for example a Zener diode, a resistor, or a series of diodes polarized like the inverse diode, bridged by a diode conducting in the same direction as the Darlington transistor, or the like.
Bibliography:Application Number: DE19792920831