내구면 접촉식 무단변속장치 개발
Development of the Inner Spherical Traction Continuously Variable Transmission
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A new CVT, the inner spherical traction CVT (ISCVT) is introduced. Transmission of the most scooters is the self-controlled variable pulley-belt type of CVT having some disadvantages in the fuel consumption and the limitation of the transmittable power due to the slippage between the belt and pulley. Unlike this, ISCVT controlled directly by driver is more efficient and the contact mechanism having the same line of contact normal of the spherical rotors of different radii on common center causes that the power density and torque capacity are remarkably improved. The prototype with the specifications of 50cc scooter is designed and tested.
Abstract
A new CVT, the inner spherical traction CVT (ISCVT) is introduced. Transmission of the most scooters is the self-controlled variable pulley-belt type of CVT having some disadvantages in the fuel consumption and the limitation of the transmittable power due to the slippage between the belt and pulley. Unlike this, ISCVT controlled directly by driver is more efficient and the contact mechanism having the same line of contact normal of the spherical rotors of different radii on common center causes that the power density and torque capacity are remarkably improved. The prototype with the specifications of 50cc scooter is designed and tested.
참고문헌 (10)
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- "Axial Force Test and modeling of the V-belt Continuously Variable transmis- sion for Moped", 118, pp.266~273 (1996)
- "Axial Force and Efficiency Tests of Fixed center Variable Speed Belt Drive", 810103 (1981)
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- "An Experimental Study on Transmission Efficiency of a Rubber V-belt CVt", 33(4), pp.351~363 (1996)
- "차량용 고무 및 금속 V-벨트 CVT의 변속비-부하 토크-축력특성과 성능 비교", 121 no. 3, pp.9~20 (1990)
- "이륜 자동차 무단변속기의 성능 향상에 대한 연구" (2002)
- "A Conceptual Design on Inner Spherical Continuously Variable Trans- mission for Bicycle Usage" (2004), KSAE
- "A Continuously Variable Transmission having a Four Bar Linkage and Spherical Rotors", ii, pp.889~896 (2002)
- "A systematic model for the analysis of contact, side slip, and traction of toroidal drives" (2000)