FIELD: transport.
SUBSTANCE: invention is presented in two versions. In both versions, power flows from engine 2 via clutch 3 to input shaft. Power is distributed from input shaft 1 into flows through differential mechanism 7 whereat power flow is divided for the first time, and via differential mechanism 9, 10 whereat power flow is divided for the second time making differential unit 11 and, via power machines 5, 8, electric or displacement, to make variator together with differential mechanism 7. Planetary transmission 16 allows matching rpm output by differential unit 11 without interrupting power flow. Note here that two power trains of four or six are forward to simplify power transmission and increase it efficiency. In compliance with first version, transmission allows producing variation range about 10 at efficiency lower than 0.95. In compliance with second version said range tends to infinity.
EFFECT: higher efficiency, lower weight and costs.
14 cl, 2 dwg
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