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1. 发明授权

US09651131B2 Clutch system configured to enhance engagement performance of clutch teeth 有权
公开(公告)号：US09651131B2
公开(公告)日：2017-05-16
申请号：US14851670
申请日：2015-09-11
申请人： American Axle & Manufacturing, Inc.
发明人： Satyanarayanan Raghavan , William Wang , David Crecelius
IPC分类号： F16H48/24 , F16H48/20
CPC分类号： F16H48/24 , F16D2500/10462 , F16H48/08 , F16H2048/204
摘要： A locking differential can include first and second locking dogs and an actuator system. The first dog can include a set of first teeth fixed to a side gear of the differential. The second dog can be axially movable between first and second positions and can include an annular body coupled to a differential case for common rotation and a set of second teeth. In the first position, the first and second teeth can be disengaged. In the second position, the first and second teeth can be engaged, inhibiting relative rotation between the side gear and the differential case. At least one sensor can detect the angular position and angular velocity of the second teeth relative to the first teeth. An actuator can move the second dog from the first position to the second position based on the detected relative angular positions and velocities of the first and second teeth.

2. 发明授权

US11781604B2 Actuator with powdered metal ball ramp and method of selective surface densification of powdered metal ball ramp 有权
公开(公告)号：US11781604B2
公开(公告)日：2023-10-10
申请号：US17463014
申请日：2021-08-31
申请人： American Axle & Manufacturing, Inc.
发明人： Satyanarayanan Raghavan , Daniel R. Bankovic
IPC分类号： F16D23/12 , B22F5/08 , B22F3/24 , B22F3/16
CPC分类号： F16D23/12 , B22F3/164 , B22F3/24 , B22F5/085 , B22F2003/166 , B22F2003/248 , B22F2998/10 , F16D2023/123 , F16D2200/0086 , F16D2250/0023
摘要： An actuator includes a first ball-ramp plate, a second ball-ramp plate, and a plurality of balls. The first ball-ramp plate is formed of compressed powdered metal with ramps having a higher density than at least part of a remainder of the ball-ramp component. A method of manufacturing the actuator includes compacting a metal powder to form a blank of the first ball-ramp plate including an annular body disposed about an axis and a plurality of ramps fixedly coupled to the annular body and spaced circumferentially about the axis, and locally densifying the ramps of the blank by applying force to a ramped surface of each ramp.

3. 发明申请

US20170074380A1 CLUTCH SYSTEM CONFIGURED TO ENHANCE ENGAGEMENT PERFORMANCE OF CLUTCH TEETH 有权
标题翻译：离合器系统配置以增强离合器的参与性能
公开(公告)号：US20170074380A1
公开(公告)日：2017-03-16
申请号：US14851670
申请日：2015-09-11
申请人： American Axle & Manufacturing, Inc.
发明人： Satyanarayanan Raghavan , William Wang , David Crecelius
IPC分类号： F16H48/24
CPC分类号： F16H48/24 , F16D2500/10462 , F16H48/08 , F16H2048/204
摘要： A locking differential can include first and second locking dogs and an actuator system. The first dog can include a set of first teeth fixed to a side gear of the differential. The second dog can be axially movable between first and second positions and can include an annular body coupled to a differential case for common rotation and a set of second teeth. In the first position, the first and second teeth can be disengaged. In the second position, the first and second teeth can be engaged, inhibiting relative rotation between the side gear and the differential case. At least one sensor can detect the angular position and angular velocity of the second teeth relative to the first teeth. An actuator can move the second dog from the first position to the second position based on the detected relative angular positions and velocities of the first and second teeth.
摘要翻译：锁定差速器可以包括第一和第二锁定爪和致动器系统。第一只狗可以包括固定在差速器的侧齿轮上的一组第一齿。第二个狗可以在第一和第二位置之间轴向移动，并且可以包括联接到用于共同旋转的差速器壳体和一组第二齿的环形体。在第一位置，第一和第二齿可以脱开。在第二位置，第一和第二齿可以接合，从而阻止侧齿轮和差速器壳体之间的相对转动。至少一个传感器可以检测第二齿相对于第一齿的角位置和角速度。基于检测到的第一和第二齿的相对角度位置和速度，致动器可以将第二个狗从第一位置移动到第二位置。

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