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    • 1. 发明授权
    • Constant velocity universal joint
    • 恒速万向节
    • US08029372B2
    • 2011-10-04
    • US12277993
    • 2008-11-25
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • F16D3/205
    • F16D3/205Y10S464/905
    • A constant velocity universal joint is provided, having a hollow outer joint member, an inner joint member, an outer roller including a cylindrical surface, an inner roller including a concave sphere, and plural leg shafts each including a convex sphere formed in a tip portion and engaging with the concave sphere, where the cylindrical surface of the outer roller satisfies the following: W1>PCR(1−cos θ)/2+μ3R3+μ2R1 W2>3PCR(1−cos θ)/2−μ3R3+μ2R1, where W1 indicates a length of the cylindrical surface from a center of the leg shaft and an intersection of the cylindrical surface and an upper side taper portion of the outer roller, W2 indicates a length of the cylindrical surface from the center of the leg shaft and an intersection of the cylindrical surface and a lower side taper portion of the outer roller, and θ indicates a maximum joint angle.
    • 提供了一种等速万向接头,其具有中空的外接头构件,内接头构件,包括圆柱形表面的外滚子,包括凹球的内滚子和多个腿轴,每个腿轴包括形成在尖端部分中的凸球 并且与外滚子的圆柱面对应的凹球符合如下:W1> PCR(1-cos&Thetas)/ 2 +μ3R3+μ2R1W2> 3PCR(1-cos& thetas)/ 2-μ3R3+ μ2R1,其中W1表示从腿部轴的中心起的圆柱形表面的长度以及圆柱形表面和外部辊的上侧锥形部分的交点,W2表示从腿部中心的圆柱形表面的长度 轴和圆筒表面与外辊的下侧锥形部分的交点,和& 表示最大关节角度。
    • 2. 发明申请
    • CONSTANT VELOCITY UNIVERSAL JOINT
    • 恒定速度通用接头
    • US20090197687A1
    • 2009-08-06
    • US12340264
    • 2008-12-19
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • F16D3/26
    • F16D3/205F16D3/2055
    • A constant velocity universal joint is provided, having a hollow outer joint member, an inner joint member, an outer roller including a cylindrical surface, an inner roller including a concave sphere, and plural leg shafts each including a convex sphere formed in a tip portion and engaging with the concave sphere, where the cylindrical surface of the outer roller satisfies the following: W1>PCR (1−cos θ)/2+μ3R3+μ2R1 W2>3PCR (1−cos θ)/2−μ3R3+μ2R1, where W1 indicates a length of the cylindrical surface from a center of the leg shaft and an intersection of the cylindrical surface and an upper side taper portion of the outer roller, W2 indicates a length of the cylindrical surface from the center of the leg shaft and an intersection of the cylindrical surface and a lower side taper portion of the outer roller, and θ indicates a maximum joint angle.
    • 提供了一种等速万向接头,其具有中空的外接头构件,内接头构件,包括圆柱形表面的外滚子,包括凹球的内滚子和多个腿轴,每个腿轴包括形成在尖端部分中的凸球 并且与凹面球接合,其中外滚筒的圆柱形表面满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> W1> PCR(1-cosθ) / 2 + mu3R3 + mu2R1 <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> W2> 3PCR(1-cosθ)/ 2-mu3R3 + mu2R1,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中W1表示圆柱形表面的中心长度 的腿部轴线和外侧辊的圆筒状面与上侧锥形部的交点W2表示从腿部轴心的中心的圆筒面的长度, f为外滚子的圆筒形表面和下侧锥形部分,θ表示最大关节角度。
    • 3. 发明申请
    • CONSTANT VELOCITY UNIVERSAL JOINT
    • 恒定速度通用接头
    • US20090137325A1
    • 2009-05-28
    • US12277993
    • 2008-11-25
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • F16D3/00
    • F16D3/205Y10S464/905
    • A constant velocity universal joint is provided, having a hollow outer joint member, an inner joint member, an outer roller including a cylindrical surface, an inner roller including a concave sphere, and plural leg shafts each including a convex sphere formed in a tip portion and engaging with the concave sphere, where the cylindrical surface of the outer roller satisfies the following: W1>PCR(1−cos θ)/2+μ3R3+μ2R1 W2>3PCR(1−cos θ)/2−μ3R3+μ2R1, where W1 indicates a length of the cylindrical surface from a center of the leg shaft and an intersection of the cylindrical surface and an upper side taper portion of the outer roller, W2 indicates a length of the cylindrical surface from the center of the leg shaft and an intersection of the cylindrical surface and a lower side taper portion of the outer roller, and θ indicates a maximum joint angle.
    • 提供了一种等速万向接头,其具有中空的外接头构件,内接头构件,包括圆柱形表面的外滚子,包括凹球的内滚子和多个腿轴,每个腿轴包括形成在尖端部分中的凸球 并且与凹面球接合,其中外滚筒的圆柱形表面满足以下条件:<?in-line-formula description =“In-line formula”end =“lead”?> W1> PCR(1-cosθ) / 2 + mu3R3 + mu2R1 <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> W2> 3PCR(1-cosθ)/ 2-mu3R3 + mu2R1,<?in-line-formula description =“In-line Formulas”end =“tail”?>其中W1表示圆柱形表面的中心长度 的腿部轴线和外侧辊的圆筒状面与上侧锥形部的交点W2表示从腿部轴心的中心的圆筒面的长度, 外滚子的圆柱形表面和下侧锥形部分,θ表示最大关节角度。
    • 4. 发明申请
    • Constant velocity universal joint
    • 恒速万向节
    • US20070066405A1
    • 2007-03-22
    • US10549565
    • 2004-12-09
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • Atsushi AndoTomohiko SatoTakumi MatsumotoTakeo Yamamoto
    • F16D3/00
    • F16D3/2055F16D3/205F16D2003/2023
    • In a constant velocity universal joint including a double roller type roller unit, a cylindrical surface is formed in a radially outer surface of the outer roller; a flat engagement surface which is engaged with the cylindrical surface is formed in each of the guide grooves of the outer joint member; and the cylindrical surface satisfies following two equations, W1>PCR (1−cos θ)/2+μ3R3+μ2R1, W2>3PCR (1−cos θ)/2−μ3R3+μ2R1wherein W1, W2: a length from a center of the cylindrical surface to each of axially both end portions; PCR: a distance from an axis of the inner joint member to a center of the convex sphere of each of the leg shafts; θ: a required maximum joint angle; R1, R3: radii of the cylindrical surface and the concave sphere, respectively; and μ2, μ3: friction coefficients between the inner roller and the outer roller, and between the convex sphere and the concave sphere, respectively.
    • 在包括双辊型辊单元的等速万向接头中,在外辊的径向外表面上形成圆柱面; 在外接头构件的每个引导槽中形成有与圆筒形表面接合的平坦接合表面; 并且圆柱形表面满足以下两个等式:W 1> PCR(1-cosθ)/ 2 + mu 3 R 3 + mu 2 R 1,W 2> 3PCR (1-cosθ)/ 2-mu 3 R 3 +μ2 R 1其中W 1,W 2:从圆柱形表面的中心到每个的长度 轴向两端部; PCR:从内接头构件的轴线到每个腿轴的凸球的中心的距离; θ:所需的最大关节角度; R 1,R 3分别为圆柱面和凹球的半径; 和内部辊子和外部辊子之间以及凸形球体和凹形球体之间的摩擦系数分别为μ2,3/3。