engleski

Coupled two-carrier planetary gears for two-speed transmissions

In following the article two-speed planetary gearboxes consisting of two simple planetary gears and two brakes are examined. A review is made on the possible ways of connecting the coupling gears and the brakes. Some relations are deduced for determining the speed ratios of all structural schemes. Relations are deduced for determining the efficiency of the coupled gears according to the type of connection and the efficiency of the coupling simple planetary gears. Recommendations are given about the choice of the most appropriate structural scheme according to the current necessities.

transmissions; coupled planetary gears; structural analysis; efficiency

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