FIELD: engines and pumps.
SUBSTANCE: double-chamber oil pan is arranged under unit of engine cylinders and comprises separator, which is arranged in oil pan and limits the first chamber, which communicates with unit of cylinders, and the second chamber arranged around the first chamber, and suction opening installed in the first chamber. The first chamber comprises section of high capacity including lower part of oil pan separator, and section of low capacity installed higher and arranged as a whole with section of high capacity.
EFFECT: efficient increase of oil temperature in case of cold start-up.
2 cl, 12 dwg
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