FIELD: mechanical engineering.
SUBSTANCE: proposed displacement machine relates to compressors, pumps and internal combustion engines. Novelty is design of drive main member of which is cam of definite shape fitted on drive shaft and providing at rotation rocking motion of semicylinders-displacers through rollers fitted on axle of joints of semicylinders-displacers. Modifications of device with additional movable cam or additional fixed cam are provided.
EFFECT: improved reliability, increased service life.
4 cl, 6 dwg
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