Editing Fuel injection (section)

=== Helix-controlled pump systems ===
This injection method was previously used in many diesel engines. Types of systems include:
* Lanova direct injection<ref>Helmut Hütten: ''Motoren. Technik, Praxis, Geschichte''. Motorbuchverlag, Stuttgart 1982, {{ISBN|3-87943-326-7}}</ref>
* Afterchamber injection<ref name="von Fersen_131">{{cite book |editor-last1=von Fersen |editor-first1=Olaf |title=Ein Jahrhundert Automobiltechnik: Nutzfahrzeuge |date=1987 |publisher=Springer |location=Berlin, Heidelberg |isbn=978-3-662-01120-1 |page=131 |language=de}}</ref>
* G-System ([[sphere]] combustion chamber)<ref name="Droscha_429">Hellmut Droscha (ed.): Leistung und Weg – Zur Geschichte des MAN-Nutzfahrzeugbaus, Springer, Berlin/Heidelberg 1991, {{ISBN|978-3-642-93490-2}}. p. 429</ref>
* Gardner system (hemisphere combustion chamber)<ref name="Droscha_429" />
* Saurer system ([[torus]] combustion chamber)<ref name="Droscha_429" />
* Flat piston (combustion chamber between piston and head)