FIELD: mechanical engineering; internal combustion engines.
SUBSTANCE: invention relates to internal combustion engines with nonuniform movement of working members in annular working chamber and it can be used as rotary pneumatic and hydraulic machines. According to invention, chamber is made with possibility of axial contraction to decrease axial clearances between body and disks and between disks located in center. Axial seal is provided which is made in form of oil pad filling saw-like space of cuts (teeth, grooves) between rotating surfaces and sealing circuit is used assembled from angle plates and installed in grooves of vanes and also stoppers, pressure members and springs. Proposed seal creates better conditions for compression, improves reliability and increases service life.
EFFECT: improved efficiency of seal.
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