PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES

• Main Authors: KIM, JIN SEOK, KIM, CHON OK, KIM, JONG SOO, HWANG, DONG HWAN, KOOK, JAE CHANG, JI, SEONG WOOK, PARK, JONG SOOL, LEE, KYEONG HUN, KIM, JIN HO, HWANG, SEONG WOOK, KWON, HYUN SIK, KIM, TAE WHAN, CHANG, WOO JIN, CHO, WON MIN
• Format: Patent
• Language: English; Korean
• Published: 06.04.2018
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

Disclosed is a planetary gear train of an automatic transmission for a vehicle, capable of improving fuel efficiency and power transmission performance. According to an embodiment of the present invention, the planetary gear train of the automatic transmission for a vehicle includes: an input shaft receiving power of an engine; an output shaft outputting shifted power; a first planetary gear set having first, second, and third rotary elements; a second planetary gear set having fourth, fifth, and sixth rotary elements; a third planetary gear set having seventh, eighth, and ninth rotary elements; a fourth planetary gear set having tenth, eleventh, and twelfth rotary elements; a first shaft connecting the first rotary element, the fifth rotary element, the ninth rotary element, and the tenth rotary element; a second shaft connected to the second rotary element and connected to the input shaft; a third shaft connected to the third rotary element; a fourth shaft connecting the sixth rotary element and the eighth rotary element and selectively connected to the second shaft; a fifth shaft connected to the seventh rotary element and selectively connected to the second shaft; and a sixth shaft connected to the eleventh rotary element and connected to the output shaft. 차량용 자동 변속기의 유성기어트레인이 개시된다. 본 발명의 일 실시 예에 따른 차량용 자동 변속기의 유성기어트레인은 엔진의 동력을 전달받는 입력축; 변속된 동력을 출력하는 출력축; 제1, 제2, 제3 회전요소를 보유하는 제1 유성기어세트; 제4, 제5, 제6 회전요소를 보유하는 제2 유성기어세트; 제7, 제8, 제9 회전요소를 보유하는 제3 유성기어세트; 제10, 제11, 제12 회전요소를 보유하는 제4 유성기어세트; 상기 제1 회전요소, 제5 회전요소, 제9 회전요소, 제10 회전요소를 연결하는 제1축; 상기 제2 회전요소에 연결되며, 상기 입력축에 연결되는 제2축; 상기 제3 회전요소에 연결되는 제3축; 상기 제6 회전요소와 제8 회전요소를 연결하며, 상기 제2축에 선택적으로 연결되는 제4축; 상기 제7 회전요소에 연결되며, 상기 제2축에 선택적으로 연결되는 제5축; 및 상기 제11 회전요소에 연결되며, 상기 출력축에 연결되는 제6축을 포함한다.