KR970027970A - Continuously variable transmission - Google Patents

Continuously variable transmission Download PDF

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Publication number
KR970027970A
KR970027970A KR1019950044748A KR19950044748A KR970027970A KR 970027970 A KR970027970 A KR 970027970A KR 1019950044748 A KR1019950044748 A KR 1019950044748A KR 19950044748 A KR19950044748 A KR 19950044748A KR 970027970 A KR970027970 A KR 970027970A
Authority
KR
South Korea
Prior art keywords
planetary
continuously variable
gear
variable transmission
planetary roller
Prior art date
Application number
KR1019950044748A
Other languages
Korean (ko)
Inventor
김만식
김정철
엄태관
최영덕
김경환
여인욱
김정윤
Original Assignee
김태구
대우자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김태구, 대우자동차 주식회사 filed Critical 김태구
Priority to KR1019950044748A priority Critical patent/KR970027970A/en
Priority to CA002188880A priority patent/CA2188880A1/en
Priority to AU51245/96A priority patent/AU5124596A/en
Priority to US08/737,744 priority patent/US5876299A/en
Priority to PCT/KR1996/000038 priority patent/WO1996030672A1/en
Priority to EP96907771A priority patent/EP0760915A1/en
Publication of KR970027970A publication Critical patent/KR970027970A/en

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  • Friction Gearing (AREA)

Abstract

본 발명은 무단변속기에 관한 것으로, 엔진(E)에 의해 구동하는 선기어(5)의 주위에 다수개의 유성롤러(5)가 배치되고, 이들 각 유성롤러(6)에 이동링(7)이 외접한 상태에서 이동하면서 상기 입력축(1)엣부터 입력되는 동력을 가변시키고, 이 유성롤러(6)에서 가변된 동력이 유성기어유닛(23)의 링기어(26)와 제2클러치(C2)에 각각 입력되게 되어 있으며, 피니언기어(20)가 제1클러치(C1)와 직결기어(17) 및 고속기어(16)를 통해서 변속기구(2)의 입력축(1)에 연결되어 있는 한편, 선기어(24)가 출력축(3)과 연결된 무단변속기에서, 상기 유성롤러(6)의 한쪽 선단이 탄성수단(20)에 의해 탄성지지되고, 상기 유성롤러(6)의 표면을 따라 이동하는 이동링(7)의 이동이 위치센서(21)에 의해 감지제어되어지도록 이루어져, 상기 유성롤러(6)가 이동링(7)의해 가해지는 힘에 의해 빠져 나가지 않도록 해주는 한편, 이동링(7)의 위치를 정확하게 제어할 수 있도록 한 것이다.The present invention relates to a continuously variable transmission, in which a plurality of planetary rollers (5) are arranged around the sun gear (5) driven by the engine (E), and the movable ring (7) is circumscribed on each of the planetary rollers (6). The power input from the input shaft 1 edge is varied while moving in one state, and the variable power in the planetary roller 6 is applied to the ring gear 26 and the second clutch C2 of the planetary gear unit 23. The pinion gear 20 is connected to the input shaft 1 of the transmission mechanism 2 via the first clutch C1, the direct gear 17 and the high speed gear 16, respectively, while the sun gear In the continuously variable transmission 24 connected to the output shaft 3, one end of the planetary roller 6 is elastically supported by the elastic means 20, and the movable ring 7 moves along the surface of the planetary roller 6. ) Is made to be sensed and controlled by the position sensor 21, so that the planetary roller 6 is pulled out by the force applied by the movable ring 7. So that leaving the other hand, will allow one to precisely control the position of the mobile ring (7).

Description

무단변속기Continuously variable transmission

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 따른 무단변속기의 제1실시예에 따른 구조를 도시한 개략도.1 is a schematic diagram showing a structure according to a first embodiment of a continuously variable transmission according to the present invention.

제2도는 본 발명에 따른 무단변속기의 제2실시예에 따른 구조를 도시한 개략도.2 is a schematic diagram showing a structure according to a second embodiment of a continuously variable transmission according to the present invention.

제3도는 본 발명에 따른 무단변속기에 링마찰차가 이동하는 거리를 감지하기 위한 위치감지센서가 설치된 경우의 개략도.3 is a schematic diagram of a case in which a position detecting sensor is installed in a continuously variable transmission according to the present invention for detecting a distance at which a ring friction car moves.

제4도는 본 발명의 무단변속기가 중립, 저속 및 고속레벨로 절환되는 경우에 작동되는 작동요소를 각 레벨에 따라 나타낸 표.4 is a table showing the operating elements operated at each level when the continuously variable transmission of the present invention is switched to neutral, low speed and high speed levels.

제5도는 본 발명의 구성에 따라 유성기어유닛에서 출력되는 속도 관계식을 도시한 그래프이다.5 is a graph showing a speed relation equation output from the planetary gear unit according to the configuration of the present invention.

Claims (4)

엔진(E)의 동력을 전달받는 입력축(1)에 설치된 선기어(5)와, 이 선기어(5)의 주위에 원주방향을 따라 소정의 간격을 두고 배치되어 있으면서 다수개의 원추형 유성롤러(6), 이들 유성롤러(6)의 원추형 표면에 일정한 압력으로 외접하도록 배치되어 있으면서 이동수단(14)에 의해 유성롤러(6)의 길이방향을 따라 이동함에 따라 상기 유성롤러(6)의 작동지름을 가변시켜 이 유성롤러(6)의 공전속도를 선형적으로 가변시키는 이동링(7), 상기 선기어(5)의 주위에 배치된 다수개의 유성기어(6)를 상호연결시켜 지지하면서 유성롤러(6)에 의해 변속된 회전력을 전달하는 출력캐리어(9)로 구성된 변속기구(2)와; 상기 출력캐리어(9)와 링기어(21)를 통해 연결되면서 선기어(28)를 통해 출력축(3)과 연결된 유성기어유닛(17)과, 이 유성기어유닛(17)의 피니언기어(23)를 상기 압력축(1)과 선택적으로 연결시키는 제1클러치(C1), 상기 변속기구(2)의 출력캐리어(9)로부터 동력을 전달받아 그래로 출력축(1)으로 전달하는 제2클러치(C2)로 구성된 변속제어기구로 이루어진 무단변속기에 있어서, 상기 유성롤러(6)의 한쪽 선단에 탄성수단(20)이 설치되어, 상기 유성롤러(6)에 이동링(7)가 압력 접촉하면서 이동하는 경우에 상기 유성롤러(6)에 가해지는 수평방향의 힘을 상기 탄성수단(20)이 탄성적으로 지지해 줌으로써 유성롤러(6)가 길이방향을 따라 이동하게 되는 것을 막아주도록 된 것을 특징으로 하는 무단변속기.A sun gear 5 provided on the input shaft 1 receiving the power of the engine E, a plurality of conical planetary rollers 6 arranged at predetermined intervals in the circumferential direction around the sun gear 5, It is arranged to circumscribe at a constant pressure on the conical surfaces of these planetary rollers 6 and moves along the longitudinal direction of the planetary rollers 6 by the moving means 14 to vary the operating diameter of the planetary rollers 6. A moving ring 7 for linearly varying the revolving speed of the planetary roller 6 and a plurality of planetary gears 6 arranged around the sun gear 5 are connected to and supported by the planetary roller 6. A transmission mechanism 2 composed of an output carrier 9 which transmits a rotational force shifted by the transmission force; The planetary gear unit 17 connected to the output shaft 3 through the sun gear 28 and the pinion gear 23 of the planetary gear unit 17 are connected to each other via the output carrier 9 and the ring gear 21. The first clutch C1 selectively connected to the pressure shaft 1, the second clutch C2 receiving power from the output carrier 9 of the transmission mechanism 2 and transmitting the power to the output shaft 1. In the continuously variable transmission consisting of a shift control mechanism consisting of: when the elastic means 20 is installed at one end of the planetary roller (6), the moving ring (7) moves to the planetary roller (6) while the pressure contact Continuously variable transmission characterized in that the elastic means 20 to elastically support the horizontal force applied to the planetary roller (6) to prevent the planetary roller (6) from moving in the longitudinal direction . 제1항에 있어서, 상기 탄성수단(20)이 스프링으로 구성된 것을 특징으로 하는 무단변속기.The continuously variable transmission according to claim 1, wherein the elastic means (20) is composed of a spring. 제1항에 있어서, 상기 탄성수단(20)이 스프링을 구비한 압축유체에 의해 작동하는 유체실린더로 이루어진 것을 특징으로 하는 무단변속기.The continuously variable transmission according to claim 1, wherein said elastic means (20) comprises a fluid cylinder operated by a compression fluid with a spring. 제1항에 있어서, 상기 이동링(7)에 유성롤러(6)의 표면을 따라 이동하는 이동위치를 감지하기 위한 위치센서(22)가 설치된 것을 특징으로 하는 무단변속기.The continuously variable transmission according to claim 1, wherein a position sensor (22) is installed in said moving ring (7) for detecting a moving position moving along the surface of the planetary roller (6). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950044748A 1995-03-24 1995-11-29 Continuously variable transmission KR970027970A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019950044748A KR970027970A (en) 1995-11-29 1995-11-29 Continuously variable transmission
CA002188880A CA2188880A1 (en) 1995-03-24 1996-03-22 Infinitely variable speed transmission
AU51245/96A AU5124596A (en) 1995-03-24 1996-03-22 Infinitely variable speed transmission
US08/737,744 US5876299A (en) 1995-03-24 1996-03-22 Infinitely variable speed transmission
PCT/KR1996/000038 WO1996030672A1 (en) 1995-03-24 1996-03-22 Infinitely variable speed transmission
EP96907771A EP0760915A1 (en) 1995-03-24 1996-03-22 Infinitely variable speed transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950044748A KR970027970A (en) 1995-11-29 1995-11-29 Continuously variable transmission

Publications (1)

Publication Number Publication Date
KR970027970A true KR970027970A (en) 1997-06-24

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ID=66589086

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950044748A KR970027970A (en) 1995-03-24 1995-11-29 Continuously variable transmission

Country Status (1)

Country Link
KR (1) KR970027970A (en)

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