SPLITTED CYCLE ENGINE AND METHOD OF ITS OPERATION Russian patent published in 2013 - IPC F02B33/30 F02B33/44 F02B33/22 F02B41/00 F02F1/42 

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises crankshaft 52, compression piston 72 fitted in compression cylinder 66 to slide therein and engaged with crankshaft 52 to reciprocate in intake and compression strokes per one rpm of crankshaft. Engine comprises expansion piston 74 fitted in compression cylinder 68 to slide therein and engaged with crankshaft 52 to reciprocate in expansion and exhaust strokes per one rpm of crankshaft. It includes, at least, two adapter channels 78 communicating said compression and expansion cylinders 66, 68. Each of said two channels 78 comprises adapter compression valve 84 and adapter expansion valve 86 to make pressure chamber 81 there between. Compression cylinder 66 receives air charge to compress it in, at least, one of said two adapter channels 78 per one crankshaft revolution. Invention covers designs versions and method of engine operation in idling.

EFFECT: maintaining high pressure in idling in adapter channels.

39 cl, 10 dwg, 1 tbl