Motorentechnik: Wie viele Ventile braucht ein Motor?

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Motorentechnik Wie viele Ventile braucht ein Motor?

Es gab in der Geschichte des Verbrennungsmotors die unterschiedlichsten Versionen zur Anzahl der Ventile, zwischen null und acht war fast alles vertreten. Was sind die Vor- und Nachteile der verschiedenen Lösungen?

Joachim Deleker

01.12.2022

"Mehr als zwei Ventile braucht ein Motorrad nicht, eins im Hinterrad und eins im Vorderrad." Dieser alte Spruch der Zweitaktfreunde ist lange überholt, denn Zweitakter in Autos oder Motorrädern sind bis auf einige Oldtimer schon lange Geschichte. Daran waren vor allem die immer schärferen Abgasgrenzwerte Schuld. Ventilfreie Motoren gab es aber auch, man denke nur an die letztlich erfolglosen Wankelmotoren zurück.

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