MULTY-STAGE TRANSMISSION FOR VEHICLE
According to the present invention, a multi-stage transmission for a vehicle comprises: an input shaft and an output shaft; first, second, third, and fourth planetary gear devices, each of which is disposed between the input shaft and the output shaft to transmit a rotating force, and is provided wi...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | According to the present invention, a multi-stage transmission for a vehicle comprises: an input shaft and an output shaft; first, second, third, and fourth planetary gear devices, each of which is disposed between the input shaft and the output shaft to transmit a rotating force, and is provided with three rotation elements; and six gear-shift elements connected to rotation elements of the planetary gear devices. A first rotation element of the first planetary gear device is always connected to a first rotation element of the second planetary gear device and further, is fixedly installed in a transmission case by one of the gear-shift elements. A second rotation element is always connected to a second rotation element of the second planetary gear device and to a second rotation element of the third planetary gear device. A third rotation element is controllably connected to a third rotation element of the fourth planetary gear device.
본 발명은 입력축 및 출력축과; 상기 입력축과 출력축 사이에 회전력을 전달할 수 있도록 구비되고, 각각 3개의 회전요소를 구비한 제1유성기어장치, 제2유성기어장치, 제3유성기어장치 및 제4유성기어장치와; 상기 유성기어장치들의 회전요소에 연결되는 6개의 변속요소를 포함하여 구성되며; 상기 제1유성기어장치의 제1회전요소는 상기 제2유성기어장치의 제1회전요소와 상시 연결됨과 아울러 상기 변속요소들 중 하나에 의해 변속기케이스에 고정 가능하게 설치되고, 제2회전요소는 상기 제2유성기어장치의 제2회전요소와 상기 제3유성기어장치의 제2회전요소에 상시 연결되며, 제3회전요소는 상기 제4유성기어장치의 제3회전요소에 단속 가능하게 설치된다. |
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