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公开(公告)号：US20190017557A1
公开(公告)日：2019-01-17
申请号：US15993743
申请日：2018-05-31
发明人： Masayuki ARAI , Satoshi ISHIDA , Shota MURAI , Taito GOTO
IPC分类号： F16D48/06 , B60K17/02 , B60K17/344 , F16H37/12 , F16D28/00 , F16D23/00 , F16H1/16 , F16D13/52 , F16H25/12 , F16H25/20
CPC分类号： F16D48/06 , B60K17/02 , B60K17/34 , B60K17/344 , B60K17/3462 , B60K17/3467 , B60K17/35 , B60K23/0808 , B60K2023/0858 , B60Y2300/84 , B60Y2400/301 , B60Y2400/303 , B60Y2400/3032 , B60Y2400/424 , F16D13/52 , F16D23/12 , F16D28/00 , F16D48/064 , F16D2023/123 , F16D2500/1023 , F16D2500/3021 , F16D2500/501 , F16H1/16 , F16H25/12 , F16H25/20 , F16H37/124 , F16H2025/209
摘要： An electronic control unit executes gradual reduction control when a friction clutch is to be maintained in a fully engaged state such that an input rotary member and an output rotary member rotate integrally. As a result, a motor current supplied to a motor is adjusted to a lower current value. Thus, an average current value of the motor current supplied to the motor when the friction clutch is to be maintained in the fully engaged state is appropriately reduced.
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公开(公告)号：US20180202548A1
公开(公告)日：2018-07-19
申请号：US15864430
申请日：2018-01-08
发明人： Wolfgang REBHOLZ , Jürgen LEGNER
IPC分类号： F16H61/4017 , B60K17/34 , B60K17/10 , F16H39/04
CPC分类号： F16H61/4017 , B60K17/06 , B60K17/08 , B60K17/10 , B60K17/34 , B60K17/344 , B60K17/346 , B60K17/3462 , B60K17/3467 , B60K17/348 , B60Y2300/84 , B60Y2400/72 , F16H39/04 , F16H59/14 , F16H59/50 , F16H2059/147 , F16H2059/506
摘要： A vehicle drive-train with a drive engine, a drive output and a transmission device connected in the power flow between the drive engine and the drive output. The transmission device has at least two transmission units whose transmission ratios can be varied continuously, at least in some ranges, and which are arranged in power-trains running parallel with one another between the drive engine and the drive output. The power-trains can each be functionally connected with a respective axle of the drive output. At least one shifting element is provided by which the power-trains can be functionally connected in the area between the transmission units and the drivable axles. In addition, a method for operating the vehicle drive-train is described, in which the shifting element is actuated as a function of torque to be transmitted via the transmission device between the drive engine and the drive output.
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公开(公告)号：US20180147939A1
公开(公告)日：2018-05-31
申请号：US15823670
申请日：2017-11-28
发明人： Anupam Sharma , Pete Jarzyna , Dan Harmon , Daniel M. Drill
IPC分类号： B60K17/346 , B60K23/08
CPC分类号： B60K17/3467 , B60K23/0808
摘要： A two-speed transfer case for a four-wheel drive vehicle is provided. The transfer case has a two-speed gear reduction unit, a range clutch, and a range shift mechanism. The range shift mechanism is operably disposed between an input shaft and a rear output shaft and includes a range cam defining a guide slot having a unique profile for converting rotation thereof into linear movement of the range clutch. The guide slot includes low-range dwell segment and a high-range dwell segment interconnected by a range shift segment. The range shift segment defines a plurality of interconnected cam portions, wherein each cam portion is associated with a different load required to move the range clutch between a high-range and low-range position. The transfer case further includes a mode shift mechanism for establishing a high-range drive connection and a low-range drive connection associated with the dwells of the range cam.
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公开(公告)号：US20170368934A1
公开(公告)日：2017-12-28
申请号：US15631658
申请日：2017-06-23
IPC分类号： B60K17/36 , F16H61/30 , F16H48/32 , F16H48/08 , B60K23/04 , F16H37/08 , F16D25/10 , F16D23/02 , F16H63/04 , F16H48/24
CPC分类号： B60K17/36 , B60K17/02 , B60K17/165 , B60K17/346 , B60K17/3462 , B60K17/3467 , B60K23/04 , B60K2023/046 , F16D23/02 , F16D25/10 , F16H37/0813 , F16H48/08 , F16H48/24 , F16H48/32 , F16H61/30 , F16H63/04
摘要： A tandem drive axle mechanical shift assembly including a first shift rail assembly having a first shift rail actuated via a first pneumatic actuator, and a shift fork having a first end coupled with the first shift rail and a second end coupled with an engagement selector. A second shift rail assembly having a second shift rail actuated via a second pneumatic actuator, and a second shift fork having a first end coupled with the second shift rail and a second end coupled with an inter-axle differential lock-up clutch. First and second primary valves in fluid communication with a reservoir, and a secondary valve in fluid communication with the reservoir and in selective fluid communication with the second pneumatic actuator. A first actuation valve operated by the first shift rail and in selective fluid communication with the first and second primary valves, and the first and second pneumatic actuators.
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公开(公告)号：US20170241486A1
公开(公告)日：2017-08-24
申请号：US15438814
申请日：2017-02-22
申请人： BorgWarner Inc.
IPC分类号： F16D23/14 , F16D11/14 , F16D13/52 , B60K17/344 , B60K17/02
CPC分类号： F16D23/14 , B60K17/02 , B60K17/344 , B60K17/3467 , B60K17/35 , B60K23/08 , F16D11/10 , F16D11/14 , F16D13/52 , F16D23/12 , F16D2011/008 , F16D2023/123 , F16D2023/141
摘要： A transfer case includes a primary output shaft, and a secondary output selectively coupleable to the primary output shaft with a secondary torque transfer mechanism. The secondary torque transfer mechanism comprises a plate clutch and a locking sleeve. The plate clutch includes a housing coupled to the secondary output shaft, a plurality of interleaved plates alternatingly coupled to the primary output shaft and the housing, and an apply plate coupled to the primary output shaft and being configured to compress the interleaved plates to selectively form a friction coupling between the primary output shaft and the secondary output shaft. The locking sleeve is non-selectively coupled to one of the housing or the apply plate to rotate therewith, and is selectively coupleable to the other of the housing or the apply plate to form a positive coupling between the primary output shaft and the secondary output shaft.
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公开(公告)号：US20170232839A1
公开(公告)日：2017-08-17
申请号：US15428419
申请日：2017-02-09
申请人： BorgWarner Inc.
IPC分类号： B60K17/344 , F16H63/08 , F16H37/06
CPC分类号： B60K17/344 , B60K17/3467 , F16D27/108 , F16D27/118 , F16H3/54 , F16H37/065 , F16H63/08 , F16H63/30 , F16H2063/3093 , F16H2200/0034 , F16H2200/2005
摘要： A vehicle transfer case is provided including input and output shafts mounted within a housing, a secondary shaft selectively driven by the output shaft, a first hub having an inner diameter splined section having a first extreme neutral position with exclusive torsional engagement with the output shaft, and in a second intermediate high position having torsional engagement with the output shaft and input shafts, and in a third extreme low position having exclusive torsional engagement with the input shaft. A second hub is provided, rotatably mounted on the first hub and axially fixed therewith. The second hub is torsionally fixed to the output shaft, and a shift fork is provided to translate the second hub. A planetary gear set is provided, having a ring gear, a plurality of planet gears connected to each other by a carrier and a sun gear; and wherein in the extreme neutral position the output shaft is disengaged from the input shaft, and in the second intermediate position the input shaft is directly connected to the output shaft without rotating the planetary gear set, and in the extreme third position the first hub torsionally connects the input shaft to the sun gear, and the second hub is connected with the carrier.
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公开(公告)号：US20170087985A1
公开(公告)日：2017-03-30
申请号：US15277464
申请日：2016-09-27
发明人： Mizuki IMAFUKU
IPC分类号： B60K23/08 , B60K17/08 , F16H37/06 , B60K17/344
CPC分类号： B60K23/0808 , B60K17/08 , B60K17/34 , B60K17/344 , B60K17/3467 , B60Y2400/412 , B60Y2400/414 , B60Y2400/82 , F16H25/20 , F16H37/065 , F16H2025/209
摘要： A transfer includes an input shaft, an output shaft, an output member, a high-low switching mechanism, a clutch, an actuator, a screw mechanism, a first transmitting mechanism, a cam engaging member, a drum cam, and a second transmitting mechanism. The high-low switching mechanism is configured to change a rate of rotation of the input shaft and transmit a resultant rotation to the output shaft. The second transmitting mechanism is configured to transmit a movement of one of the drum cam and the cam engaging member that is connected to a second shaft to the high-low switching mechanism via the second shaft such that the high-low switching mechanism switches between the high-speed gear and the low-speed gear.
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公开(公告)号：US20170082190A1
公开(公告)日：2017-03-23
申请号：US15263746
申请日：2016-09-13
申请人： BorgWarner Inc.
CPC分类号： F16H57/0436 , B60K17/342 , B60K17/344 , B60K17/3467 , F16D11/10 , F16D13/74 , F16D27/04 , F16D27/06 , F16D27/115 , F16D28/00 , F16D2300/06 , F16H57/043 , F16H57/0434
摘要： A lubrication system (300) for a transfer case (200) includes a shaft (302) having a lubricant inlet port (306) and a hollow bore (304) for transporting lubricant within the shaft (302), a pump (310) having a pump housing (312) and one or more pumping elements (318) that are disposed in the pump housing (312), and a clutch assembly (330). The clutch assembly 330 has an engaged position, in which rotational force from the shaft (302) is transferred to the one or more pumping elements (318) to cause operation of the pump (310), and a disengaged position, in which rotational force from the shaft (302) is not transferred to the one or more pumping elements (318). An actuator (370, 410) is operable to cause the clutch assembly (330) to move between the engaged position and the disengaged position in response to signals received from a controller (233).
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公开(公告)号：US20170028846A1
公开(公告)日：2017-02-02
申请号：US15219905
申请日：2016-07-26
发明人： Koji Takaira , Takayuki Sugimoto
IPC分类号： B60K17/346 , F16H3/54 , B60K17/02 , F16H37/06
CPC分类号： B60K17/346 , B60K17/02 , B60K17/3467 , B60K17/35 , B60K23/0808 , B60K2023/0825 , B60K2023/0858 , B60Y2306/13 , B60Y2400/421 , B60Y2400/422 , B60Y2400/4244 , F16H3/54 , F16H25/2204 , F16H37/065
摘要： A transfer for a four-wheel drive vehicle includes a case, an input shaft, a output shaft, a output member, a friction clutch, an actuator, a pressing mechanism, a locking sleeve, a first locking sleeve driving mechanism, and a second locking sleeve driving mechanism. The second locking sleeve driving mechanism is configured to move a locking sleeve independently of the actuator and the first locking sleeve driving mechanism. The second locking sleeve driving mechanism includes a pushpin. The pushpin is configured to move in a second axial direction that is perpendicular to a first axial direction and engage with a cam groove. The pushpin is configured to move the locking sleeve toward the output member side as the locking sleeve rotates when the pushpin is engaged with the cam groove.
摘要翻译： 用于四轮驱动车辆的传送包括壳体，输入轴，输出轴，输出构件，摩擦离合器，致动器，按压机构，锁定套筒，第一锁定套筒驱动机构和第二 锁定套驱动机构。 第二锁定套筒驱动机构构造成独立于致动器和第一锁定套筒驱动机构移动锁定套筒。 第二锁定套筒驱动机构包括图钉。 该图钉构造成在与第一轴向方向垂直的第二轴向移动并与凸轮槽接合。 当图钉与凸轮槽接合时，图钉构造成当锁定套筒旋转时，将锁定套筒朝向输出构件侧移动。
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公开(公告)号：US20160363201A1
公开(公告)日：2016-12-15
申请号：US15170991
申请日：2016-06-02
发明人： Joseph P. McNally , Daniel M. Drill
IPC分类号： F16H37/06 , B60K17/348 , F16H63/18 , B60K17/346 , F16H57/04 , F16H61/02
CPC分类号： F16H37/065 , B60K17/3467 , B60K17/348 , B60K23/0808 , B60K2023/0825 , B60K2023/0858 , B60Y2306/03 , B60Y2400/4244 , F16H57/043 , F16H57/0441 , F16H57/0457 , F16H57/0483 , F16H61/0204 , F16H63/18
摘要： A two-speed active transfer case is disclosed having an input shaft adapted to receive drive torque from a powertrain, a rear output shaft adapted for connection to a rear driveline and aligned with the input shaft for rotation about a first rotary axis, a front output shaft adapted for connection to a front driveline and aligned for rotation about a second rotary axis, a transfer mechanism driven by the rear output shaft, a two-speed range mechanism operably disposed between the input shaft and the rear output shaft, a range shift mechanism for controlling operation of the two-speed range mechanism, a mode mechanism operably disposed between the transfer mechanism and the front output shaft, and a mode shift mechanism for controlling operation of the mode mechanism.
摘要翻译： 公开了一种双速主动传动箱，其具有适于从动力传动系统接收驱动扭矩的输入轴，适于连接到后传动系的后输出轴，并与输入轴对准以围绕第一旋转轴线旋转，前输出 轴适于连接到前传动系，并且被排列成围绕第二旋转轴线旋转，由后输出轴驱动的传送机构，可操作地设置在输入轴和后输出轴之间的双速范围机构，范围换档机构 用于控制双速范围机构的操作，可操作地设置在传送机构和前输出轴之间的模式机构，以及用于控制模式机构的操作的模式移位机构。
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