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    A differential gear with a lock detection sensor
    61.
    发明公开
    A differential gear with a lock detection sensor 有权
    差分传感器

    公开(公告)号：EP1435479A2

    公开(公告)日：2004-07-07

    申请号：EP03029953.1

    申请日：2003-12-29

    Applicant: EATON CORPORATION

    Inventor： Ludwig, Allan S. ,  Fox, Matthew G.

    IPC: F16H48/30 ,  F16H59/68

    CPC classification number: F16H48/22 ,  F16H48/08 ,  F16H48/24 ,  F16H48/295 ,  F16H48/30 ,  F16H48/34 ,  F16H48/40 ,  F16H59/68 ,  F16H2048/201 ,  F16H2048/204 ,  F16H2048/346

    Abstract: A differential gear mechanism, of either the locking or limited slip type, including a gear case (11) rotatably disposed within an outer housing (H) and means (37) to limit rotation of side gears (23,25) relative to the gear case (11), this means (37) including a member (41) which is axially moveable between a first position (FIG. 2) and a second position (FIG. 5). The mechanism includes a sensor assembly (95) and a sensor element (97) disposed adjacent the gear case (11). The axially moveable member (41) includes a sensed portion (89) surrounding an annular outer surface (11S) of the gear case, and disposed between the annular outer surface (11S) and the sensor element (97).
    Movement of the sensed portion (89) corresponding to changes within the mechanism between, for example, the unlocked and locked conditions, results in the sensor assembly (95) transmitting either a first or second electrical output. Thus, the present invention permits the vehicle control logic to know the condition of the differential mechanism and control certain other parts or functions of the vehicle accordingly.

    Abstract translation: 一种具有锁定或限制滑动型的差速齿轮机构，包括可旋转地设置在外壳体（H）内的齿轮箱（11）和用于限制侧齿轮（23,25）相对于齿轮 壳体（11），该装置（37）包括在第一位置（图2）和第二位置（图5）之间可轴向移动的构件（41）。 该机构包括邻近齿轮箱（11）设置的传感器组件（95）和传感器元件（97）。 轴向可移动构件（41）包括围绕齿轮箱的环形外表面（11S）的感测部分（89），并且设置在环形外表面（11S）和传感器元件（97）之间。 对应于在例如解锁和锁定状态之间的机构内的变化的感测部分（89）的运动导致传感器组件（95）传送第一或第二电输出。 因此，本发明允许车辆控制逻辑知道差速机构的状况并相应地控制车辆的某些其他部件或功能。

    Kraftfahrzeug-Antriebsstrang
    62.
    发明公开
    Kraftfahrzeug-Antriebsstrang 审中-公开

    公开(公告)号：EP1238847A2

    公开(公告)日：2002-09-11

    申请号：EP02004062.2

    申请日：2002-02-23

    Applicant: DaimlerChrysler AG

    Inventor： Röhringer, Arno ,  Schröder, Rolf ,  Wörner, Günter

    IPC: B60K17/346

    CPC classification number: F16H48/22 ,  B60K17/3462 ,  B60K23/04 ,  F16D43/25 ,  F16H48/08 ,  F16H48/10 ,  F16H2048/106 ,  F16H2048/201 ,  Y10T477/6389 ,  Y10T477/653

    Abstract: Kraftfahrzeug-Antriebsstrang enthaltend ein Differentialgetriebe (2), welches einen Eingangs-Differentialteil und zwei Ausgangs-Differentialteile aufweist. Zwischen zweien der Differentialteile ist eine Reibkupplung (32) mit beschränktem übertragbaren Drehmoment angeordnet, so dass diese bei definierten kleinen Drehmomentunterschieden zwischen den beiden gekuppelten Differentialteilen und bei Drehmomentstößen in Schlupfbetrieb gehen kann. Ein temperaturabhängiges Einstellmittel (38) reduziert den Kupplungsschließdruck in Abhängigkeit von der Kupplungstemperatur mit zunehmender Kupplungstemperatur.

    Abstract translation: 动力传动系包括具有一个输入差速部件和两个输出差速器部件的差动传动装置（2）。 具有有限转矩传递的摩擦离合器（32）安装在这些部件中的两个之间，使得如果存在小的转矩差或扭矩的突然变化，则它们可相对于彼此滑动。

    Electronically actuated locking differential
    63.
    发明公开
    Electronically actuated locking differential 审中-公开
    电子致动锁定差动

    公开(公告)号：EP1030082A2

    公开(公告)日：2000-08-23

    申请号：EP00102802.6

    申请日：2000-02-10

    Applicant: EATON CORPORATION

    Inventor： Godlew, David Paul

    IPC: F16H48/20 ,  F16H48/30

    CPC classification number: F16H48/295 ,  F16H48/08 ,  F16H48/22 ,  F16H48/24 ,  F16H48/30 ,  F16H48/34 ,  F16H48/40 ,  F16H2048/201 ,  F16H2048/204 ,  F16H2048/346

    Abstract: A locking differential gear mechanism of the type which can operate in either a manual mode or an automatic mode. The mechanism includes a gear case (11), and differential gearing including a side gear (23). The side gear (23) includes a flange portion (43) having a set of gear teeth (45), and adjacent thereto is a locking member (47), also having a set of gear teeth (49), disposed to engage the gear teeth on the flange portion. A ball ramp actuator is disposed adjacent the locking member (47), which is preferably integral with an inner actuating plate (57). There is an outer actuating plate (59), preferably disposed outside the gear case (11), and a set of cam balls (73) operable with the actuating plates (57,59) to cause ramp-up, and engagement of the gear teeth (45,49). An electromagnetic coil assembly (75) is disposed adjacent the ball ramp actuator, and is operable to retard rotation of the outer actuating plate (59), and initiate ramp-up, in response to an electrical input signal. The resulting locking differential is very compact and can be engaged or disengaged very quickly.

    Differential speed sensitive and torque-sensing limited slip coupling
    64.
    发明专利
    Differential speed sensitive and torque-sensing limited slip coupling 有权

    公开(公告)号：JP4491764B2

    公开(公告)日：2010-06-30

    申请号：JP2000559361

    申请日：1999-07-06

    Applicant: イートン コーポレーションEaton Corporation

    Inventor： ジェフリー ローウェル

    IPC: F16H48/22 ,  F16H48/08 ,  F16H48/20 ,  F16H48/26 ,  F16H48/27

    CPC classification number: F16H48/27 ,  F16H48/08 ,  F16H48/26 ,  F16H2048/201 ,  F16H2048/207

    Abstract: A limited slip differential gear mechanism, particularly for use with automotive vehicle axles, comprising differential side gears connected drivably to each of two driving axles for the vehicle. A pair of pressure plates splined to the carrier define a pair of opposed ramps. They are engaged by differential pinions carried by a pinion shaft. The pinions engage each of the two side gears. A friction clutch assembly is situated adjacent each side gear. The pressure plates transfer an axial component of the thrust force created on the ramp surfaces as torque is transmitted through the pinions and through each side gear to each of two axle shafts. Each friction clutch assembly includes friction disks carried by the side gears and by the carrier so that a bias torque is established as one axle shaft overspeeds the other. A hydrostatic pump has one pump member connected to the carrier and another connected to one of the axle shafts. The hydrostatic pump creates a differential speed-sensitive bias which complements the torque-sensitive bias developed by the ramps.

    Friction differential limiting apparatus using the pressure generator
    67.
    发明专利
    Friction differential limiting apparatus using the pressure generator 有权

    公开(公告)号：JP2007522414A

    公开(公告)日：2007-08-09

    申请号：JP2006553053

    申请日：2005-02-07

    Applicant: 成均館大学校産学協力団

    Inventor： ソク，チャンソン

    IPC: F16H48/20 ,  F16H48/26 ,  F16H48/08 ,  F16H48/22

    CPC classification number: F16H48/27 ,  F01C21/007 ,  F04C13/00 ,  F04C15/008 ,  F04C23/02 ,  F16H48/08 ,  F16H48/22 ,  F16H48/40 ,  F16H2048/085 ,  F16H2048/201

    Abstract: 本発明は、自動車の差動機能を行うと同時に大きな差動発生の時に車両の移動のために差動機能の一部を制限させて両車輪を円滑に回転させることのできる圧力発生装置を利用した摩擦式差動制限装置に関し、固定カバー１１を有するボディ部１２と、前記ボディ部１２の内側に形成され、車両の駆動軸と連結されるように形成された第１のサイドピニオンギア１４と、第１のサイドピニオンギア１４と互いに対向する位置の車両駆動軸に連結されて回転するように形成された第２のサイドピニオンギア１３と、第１のサイドピニオンギア１４及び第２のサイドピニオンギア１３と噛合って回転する一対の差動ピニオンギア１５、１６と、第１のサイドピニオンギア１４及び第２のサイドピニオンギア１３の後尾側に形成された摩擦板と、第１のサイドピニオンギア１４及び第２のサイドピニオンギア１３との間に連動されるようにガバーギア２２及びピストンギア２５が長手方向に押し付けるように形成された圧力発生装置２０とから構成される。

    Full time four-wheel drive differential
    68.
    发明专利
    Full time four-wheel drive differential 审中-公开

    公开(公告)号：JP2004138236A

    公开(公告)日：2004-05-13

    申请号：JP2003142455

    申请日：2003-05-20

    Applicant: Hyundai Motor Co Ltd ,  現代自動車株式会社

    Inventor： KAN SEIKEN

    IPC: B60K17/348 ,  B60K17/346 ,  B60K17/35 ,  F16H48/06 ,  F16H48/22

    CPC classification number: B60K17/3465 ,  F16H2048/201

    Abstract: PROBLEM TO BE SOLVED: To provide a full time four-wheel drive differential having center differential function in charge of differential between front wheels and rear wheels, front differential function in charge of differential between a left wheel and a right wheel of the front wheels, and function for limiting differential between the front wheels and the rear wheels and between the left wheel and the right wheel of the front wheels.
    SOLUTION: This differential device includes an outer case 5 provided with two or more pockets 11 along a circumference direction of a rotating shaft, two or more pinions 9 fitted in two or more pockets 11 to have a rotating shaft parallel to the rotating shaft of the outer case 5, a sun gear 7 which is engaged with the inside of the pinions 9 and transmits power to the rear wheels, and a ring gear 13 engaged with the outside of the pinions 9. This differential device further includes an inner case 3 rotatably installed inside the outer case 5, a spider pinion 1 installed with a spider pinion shaft 15 in the inner case 3, left/right side gears 17, 19 engaged with the spider pinion 1, and clutch packs 21 installed between the left/right side gears 17, 19 and the inner case 3.
    COPYRIGHT: (C)2004,JPO

    Compact axle assembly with locking differential
    69.
    发明授权
    Compact axle assembly with locking differential 有权
    紧凑型轴组件带锁定差速器

    公开(公告)号：US09140349B1

    公开(公告)日：2015-09-22

    申请号：US14529449

    申请日：2014-10-31

    Applicant: American Axle & Manufacturing, Inc.

    Inventor： Gregory A. Marsh ,  Matthew T. Blakeman

    IPC: F16H48/24 ,  F16H48/34 ,  F16H48/11 ,  F16H48/10 ,  F16H48/20

    CPC classification number: B60B35/125 ,  B60B35/122 ,  B60B35/124 ,  B60B35/16 ,  B60B2900/321 ,  B60Y2200/20 ,  F16H48/06 ,  F16H48/11 ,  F16H48/24 ,  F16H48/34 ,  F16H48/38 ,  F16H57/037 ,  F16H57/0421 ,  F16H2048/106 ,  F16H2048/201

    Abstract: An axle assembly having a carrier housing, a locking differential assembly, a pair of differential bearing and an actuator assembly. The carrier housing includes a cavity. The locking differential assembly includes a differential case that is received in the cavity. The differential case includes a bearing bore into which an outer race of the differential bearing is received. The actuator assembly includes a sleeve that is movable between a first sleeve position, which is configured to cause the locking differential assembly to operate in an unlocked mode, and a second sleeve position that is configured to cause the locking differential assembly to operate in a locked mode. The sleeve is at least partly radially in-line with the differential bearing when the sleeve is in the first and/or second sleeve positions such that a plane taken perpendicular to the axis extends through both the sleeve and the differential bearing.

    Abstract translation: 具有承载壳体，锁定差速器组件，一对差速轴承和致动器组件的车轴组件。 载体壳体包括空腔。 锁定差速器组件包括容纳在空腔中的差速器壳体。 差速器壳体包括承载差速器轴承的外圈的轴承孔。 致动器组件包括可在第一套筒位置和第二套筒位置之间移动的套筒，第一套筒位置构造成使得锁定差速器组件以解锁模式操作;以及第二套筒位置，其被配置为使得锁定差速器组件在锁定 模式。 当套筒处于第一和/或第二套筒位置时，套筒至少部分地与差速轴承径向成一直线，使得垂直于该轴线的平面延伸穿过套筒和差速轴承。

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