CI engine in Automotive Engineering
(si aɪ ɛndʒɪn) or compression ignition engine
Word forms: (regular plural) CI engines noun(
Automotive engineering: Vehicle components, Engine, transmission, and exhaust)
A CI engine is an engine in which the fuel charge is ignited by the heat of compression.
The process of combustion in the CI engine is fundamentally different from that in a spark-ignition engine.
In a CI engine, air is let into the combustion chamber and compressed to a very high pressure.
The small, modern CI engine has a fuel consumption up to 40 percent better than that of a gasoline engine ofequivalent power.
engine