FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used as stealth transmission of vehicles. Essence of the invention consists in that the stepless variator is developed, characterized by that the driving and driven pulleys with variable diameter, covered with belt or chain, wherein pulleys and belt-chain have contacting elements in the form of ratchet gear consisting of cams arranged on pulleys of pulleys and toothed belt or chain, at the same time pawls on cams of driven pulley are installed opposite to pawls on driving pulley.
EFFECT: when implementing the disclosed solution, the following technical results can be obtained, namely: implementation of continuously variable torque transmission without use of friction forces, high transmitted power, at operation of the variator, the gear ratio is not violated, as the belt or chain does not slip relative to the pulleys, as well as it will be possible to change the gear ratio both at rotating pulleys, and in case they do not rotate.
1 cl, 1 dwg
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