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1. Different types of distribution
Since the design of the first engines, numerous distribution systems have been used. However, the quest for ever-higher specific power, greater reliability, and lower production costs and pollutant emissions (including oil consumption) have successively condemned most of these solutions.
This paragraph describes the main basic concepts, from which numerous variants have been devised. At present, only lights and valves are still used, for 2-stroke and 4-stroke engines respectively. The other solutions are presented for their historical interest.
1.1 Lights
The principle consists in connecting the cylinder to the intake and exhaust ports by means of orifices (called ports) in the cylinder wall. These ports are alternately opened or closed...
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Different types of distribution
Bibliography
Distribution and performance, filling, combustion
Component suppliers
Non-exhaustive list
Torrington France
Ina France
Eaton Automotive S.p.a. http://www.automotive.eaton.com
TRW Automotive http://www.trw.com
Herckelbout Dawson...
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