Terms for subject Engines containing scavenging

English	Russian
loop scavenging	петлевая продувка (цилиндров)
scavenge a cylinder	продувать цилиндр (Scavenging is equally important for both two-stroke and four-stroke engines. Most modern four-stroke engines use crossflow cylinder heads and valve timing overlap to scavenge the cylinders.)
scavenge the cylinders	продувать цилиндры (of a Diesel engine; дизеля)