Two-stroke engine: Difference between revisions

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'''6-2-045
'''urn:mrn:iala:dic:6-2-0045'''


An internal combustion engine in which the working cycle is completed in two strokes of the piston (i.e. in one revolution of the crankshaft).
An internal combustion engine in which the working cycle is completed in two strokes of the piston (i.e. in one revolution of the crankshaft).




Note: 1 The downstroke of the piston corresponds to
Note 1: The downstroke of the piston corresponds to


- fuel injection, combustion and the beginning of exhaustion in diesel engines
- fuel injection, combustion and the beginning of exhaustion in diesel engines
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Note: 2 The upstroke of the piston corresponds to
Note 2: The upstroke of the piston corresponds to


- intake of air and compression in diesel engines
- intake of air and compression in diesel engines

Latest revision as of 10:12, 17 September 2026

urn:mrn:iala:dic:6-2-0045

An internal combustion engine in which the working cycle is completed in two strokes of the piston (i.e. in one revolution of the crankshaft).


Note 1: The downstroke of the piston corresponds to

- fuel injection, combustion and the beginning of exhaustion in diesel engines

- explosion and exhaustion in petrol engines


Note 2: The upstroke of the piston corresponds to

- intake of air and compression in diesel engines

- admission of mixture and compression in petrol engines




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)