FIELD: machine building.
SUBSTANCE: invention relates to the automatic transmission of the vehicle. Automatic transmission contains a plurality of engaging devices and a plurality of planetary gears. Each of the planetary gears includes the rotating elements. At least one of the rotating elements of one of the plurality of planetary gears is coupled with one of the rotating elements of the other planetary gear or with one of the coupling devices through the splined engagement portion. Rotating element is connected to another rotating element or rigidly fixed element directly or through one of the coupling devices. At least one of the rotating elements is coupled using the splined engagement portion, it is rotably coupled in the absence of torque transmission through the spline coupling section, when the automatic transmission is in the predetermined shift mode as one of the plurality of switching modes.
EFFECT: enabling device higher reliability.
1 cl, 9 dwg
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| FOUR-STEP GEARBOX FOR BUS | 2016 |
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