2P1-A21 Fundamental Study of a Continuously Variable Transmission Using Quadric Crank Chains

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  • 2P1-A21 四節リンク機構を用いた無段変速機の検討(エコ・ロボティクス・メカトロニクス)

Abstract

As for rotation power generated by engine power in the vehicle, the transmission is a mechanism to adjust power/torque transmitted to the wheel, and the rotation speed of the wheel. The transmission can be categorized as manual (MT), automatic (AT), and continuously variable transmission (CVT). In this paper, we consider the continuously variable transmission (CVT). CVT is basically composed of the friction wheels; each wheel squarely combines two conic boards. CVTs include belt type CVT and toroidal CVT. For the belt type CVT, the pulley is driven by the belt placed between the middle of two circle-boards in the pulley. For the toroidal CVT, two rollers are being pushed by strong compression power. Since these conventional CVTs are transmission utilizing friction force, their efficiency are inferior. Also these CVTs require a precise processing, the noise was caused, and they did not have durability. Consequently, we propose a new structural CVT in this paper.

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