24-12-2020 дата публикации
Номер: US20200398937A1
Принадлежит:
Provided is a bicycle transmission using a variable speed motor and a planetary gear mechanism including: a first input rotary shaft () rotatably connected to a main power source (); a second input rotary shaft () receiving a motor rotational power from a variable speed motor (); a planetary gear mechanism () receiving first and second rotational power respectively from the first input rotary shaft () and the second input rotary shaft (), wherein the planetary gear mechanism () includes a ring gear (), a carrier (), a plurality of planet gears (), and a sun gear (); an output shaft () receiving a third rotational power from the planetary gear mechanism (); and a control unit () controlling the variable speed motor () and controlling a rotational direction and speed of the second input rotary shaft (), wherein the first input rotary shaft () is arranged concentrically with the output shaft (), the ring gear (), the carrier (), and the sun gear (). 1. A bicycle transmission using a variable speed motor and a planetary gear mechanism comprising:{'b': 10', '11, 'a first input rotary shaft () rotatably connected to a main power source ();'}{'b': 20', '21, 'a second input rotary shaft () receiving a motor rotational power from a variable speed motor ();'}{'b': 30', '10', '20', '30', '33', '31', '32', '34, 'a planetary gear mechanism () receiving first and second rotational power respectively from the first input rotary shaft () and the second input rotary shaft (), wherein the planetary gear mechanism () includes a ring gear (), a carrier (), a plurality of planet gears (), and a sun gear ();'}{'b': 40', '30, 'an output shaft () receiving a third rotational power from the planetary gear mechanism (); and'}{'b': 50', '21', '20, 'a control unit () controlling the variable speed motor () and controlling a rotational direction and speed of the second input rotary shaft (),'}{'b': 10', '40', '33', '31', '34, 'wherein the first input rotary shaft () is arranged concentrically ...
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