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1. 发明申请

US20110250998A1 Pulley Support Structure for Belt-Drive Continuously Variable Transmission and Belt-Drive Continuously Variable Transmission 审中-公开
标题翻译：皮带驱动连续可变传动和皮带传动连续可变传动的皮带轮支撑结构
公开(公告)号：US20110250998A1
公开(公告)日：2011-10-13
申请号：US13058686
申请日：2009-12-28
申请人： Shigeki Hizuka , Kouji Ueda , Susumu Tanaka , Nobuaki Mitamura
发明人： Shigeki Hizuka , Kouji Ueda , Susumu Tanaka , Nobuaki Mitamura
IPC分类号： F16C33/58 , F16H55/56
CPC分类号： F16C33/62 , F16C19/06 , F16C33/32 , F16C2361/63 , F16C2361/65 , F16H9/18 , F16H57/035
摘要： A pulley support structure for a belt-drive continuously variable transmission and a belt-drive continuously variable transmission are provided that are able to control the occurrence of Mindlin slip itself, and in cases where Mindlin slip has occurred, are able to effectively reduce the effects thereof. In this pulley support structure for a belt-drive continuously variable transmission, 2500 MPs or less is the maximum contact pressure during use between the raceway surfaces of the inner wheel and outer wheel and the rolling elements in the various roller bearings for rotatably supporting the pulleys for the continuously variable transmission. The rolling element surface hardness is HRc 60 or greater, and is at least 1 HRc harder than that of the raceway surfaces. The surface of the rolling element is nitrided or carbonitrided, and the nitrogen concentration in the surface is 0.2% by mass or greater and 2.0% by mass or less. Radial direction gap in the various roller bearings during use is −30 μm or greater and 10 μm or less.
摘要翻译：提供了一种用于带式无级变速器和皮带驱动无级变速器的滑轮支撑结构，其能够控制Mindlin滑动本身的发生，并且在Mindlin滑移发生的情况下能够有效地降低效果其中。在用于带驱动无级变速器的该皮带轮支撑结构中，在内轮和外轮的轨道表面之间的使用期间的最大接触压力和用于可旋转地支撑滑轮的各种滚子轴承中的滚动元件的最大接触压力为2500MPs 用于无级变速器。滚动体表面硬度为HRc 60以上，比滚道表面硬度高1Kcc以上。滚动体的表面被氮化或碳氮共混，表面的氮浓度为0.2质量％以上且2.0质量％以下。使用中的各种滚柱轴承的径向方向间隙为-30μm以上且10μm以下。

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