The present invention relates to a two-speed transmission and includes a first sun gear; a second sun gear; a plurality of first planetary gears which are engaged with the first sun gear to rotate or revolve along a circumferential direction of the first sun gear; a ring gear which includes an inner circumferential gear and an outer circumferential gear, the outer gear rotating by being engaged with an input gear which rotates by a driving device; a plurality of second planetary gears which are engaged with the inner circumferential gear and the second sun gear to rotate or revolve along a circumferential direction of the second sun gear; a carrier to which the first planetary gears and the second planetary gears are rotatably connected; and a brake part which selectively fixes the first sun gear and the second sun gear.


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    Title :

    Two-speed transmission for electric vehicle


    Contributors:
    KIM SUN HYUN (author) / WOO SUN BEOM (author) / OH SE HOON (author) / CHOI DUK SOON (author)

    Publication date :

    2019-11-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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