INTERNAL COMBUSTION FOUR-STROKE ROTARY ENGINE Russian patent published in 2006 - IPC F02B53/02 F02B53/04 F02B53/06 

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: invention relates to adjustable drive unit with four stroke rotary internal combustion engine with additional expansion system and with preliminary control of preparation of working mixture consisting of four-stroke rotary internal combustion engine blades 3 moving over circumference which is furnished with inlet and outlet channels made in stator housing. According to invention, mouth of feed air channel 8 furnished with at least one air intake control component 8.3 at inlet of working zone of engine 2 is arranged after top dead center of engine in direction of rotation of blades 3, and mouth of primary outlet channel 5 equipped with air discharge control component 5/1 is placed after bottom dead center of engine in direction of rotation of blades 3. Secondary outlet channel 9 connected to first primary outlet channel 9 connected to first primary outlet channel 5 leads to working zone 2 of engine before top dead center of engine where it is furnished with control component 9.1 of secondary outlet channel 9, and mouth of scavenging pipe 7 with component 7.3 for control of scavenging air is arranged between mouth of primary outlet channel 5 and mouth of secondary outlet channel 9. Said drive unit can be used for mobile and stationary machines, in transport and industry.

EFFECT: enlarged operating capabilities.