FIELD: mechanical engineering.
SUBSTANCE: invention can be used in motors of different application. Proposed motor contains device for building vacuum in cylinders under piston, including vacuum pump with receiver connected by branch pipe with valves to cylinders, and valve control device consisting of camshaft with toothed rack, spring and cam with drive installed to control process of vacuum building in cylinders.
EFFECT: simplified design elimination of harmful discharges.
2 dwg
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