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公开(公告)号：US20110308649A1
公开(公告)日：2011-12-22
申请号：US13112004
申请日：2011-05-20
IPC分类号： F04B49/00
CPC分类号： F16H61/0206 , F16H61/686 , F16H2200/0052 , F16H2200/2007 , Y10T137/85986 , Y10T477/69363
摘要： A hydraulic circuit for supplying hydraulic pressure to frictional engagement elements in an automatic transmission including an oil passage connecting an output port through which a drive pressure is output, and a second signal pressure port, of a second clutch application relay valve, and an oil passage connecting an output port through which a modulator pressure is output and the second signal pressure port, are formed in a valve body and arranged such that it is possible to open the oil passage, as well as close the oil passage, with an oil passage closing member. With the hydraulic circuit it is possible to change a formed speed in response to a shift operation when a shift, after being operated from a travel position to a non-travel position, is returned again from the non-travel position, at a time of failure.
摘要翻译： 一种液压回路，用于向自动变速器中的摩擦接合元件提供液压，该自动变速器包括连接第二离合器作用继动阀和第二离合器作用继动阀的第二信号压力端口的输出驱动压力输出口的油路 连接输出调节器压力的输出端口和第二信号压力端口，形成在阀体中并且布置成使得可以通过油通道闭合来打开油路以及关闭油通道 会员。 利用液压回路，当从行驶位置操作到非行驶位置之间的换档从非行驶位置再次返回时，可以响应于换档操作来改变形成的速度，在 失败。
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公开(公告)号：US20120000740A1
公开(公告)日：2012-01-05
申请号：US13158698
申请日：2011-06-13
CPC分类号： F16H61/143
摘要： A hydraulic pressure control device including a first oil passage connected to an engagement side oil chamber defined on one side of a piston included in a clutch, an engagement pressure generating valve generating an engagement pressure supplied to the engagement side oil chamber via the first oil passage; a second oil passage connected to a back-pressure side oil chamber defined on the other side of the piston, and a clutch control pressure generating valve generating a clutch control pressure supplied to the back-pressure side oil chamber via the second oil passage and operates to lower the clutch control pressure as hydraulic pressure supplied as a feedback pressure from the back-pressure-side oil chamber side becomes higher. The hydraulic pressure control device controls a differential pressure between the engagement side oil chamber and the back-pressure side oil chamber, and the first oil passage and the second oil passage are communicated with each other via a bypass oil passage having an orifice in a midway position thereof.
摘要翻译： 一种液压控制装置，包括连接到包括在离合器中的活塞的一侧上的接合侧油室的第一油路，接合压力生成阀，其通过第一油路产生供给到接合侧油室的接合压力 ; 连接到限定在活塞的另一侧的背压侧油室的第二油路，以及通过第二油路供给到背压侧油室的离合器控制压力的离合器控制压力生成阀， 当作为来自背压侧油室侧的反馈压力而提供的液压变高时，降低离合器控制压力。 液压控制装置控制接合侧油室与背压侧油室之间的压差，第一油路和第二油路经由中途具有孔口的旁通油路相互连通 的位置。
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公开(公告)号：US20110302915A1
公开(公告)日：2011-12-15
申请号：US13157027
申请日：2011-06-09
IPC分类号： F16D31/02
CPC分类号： F16H61/143
摘要： A hydraulic pressure control device including a valve for generating a circulating pressure to a hydraulic power transmission chamber in which power is transmitted between an input- and output side of a hydraulic power transmission element via hydraulic oil; and a valve for generating a lock-up pressure supplied to a lock-up chamber that faces the hydraulic power transmission chamber with a lock-up piston included in a lock-up clutch interposed therebetween. The hydraulic pressure control device controls the hydraulic pressures in the hydraulic power transmission chamber and in the lock-up chamber; and the circulating pressure valve has a spool to which the circulating pressure is applied as a feedback pressure and another hydraulic pressure is applied when the lock-up clutch is engaged/disengaged, and a spring urges the spool, and sets the circulating pressure to a constant first pressure when the lock-up clutch is disengaged and to a constant second different pressure when the lock-up clutch is engaged, depending on forces to the spool by the feedback pressure and on the spring.
摘要翻译： 一种液压控制装置，包括用于向液压动力传递室产生循环压力的阀，其中动力通过液压油在液压动力传动元件的输入和输出侧之间传递; 以及阀，用于产生提供给锁定室的锁定压力，所述锁定室面向所述液压动力传递室，其中锁定活塞包括在夹在其间的锁止离合器中。 液压控制装置控制液压动力传递室和锁定室中的液压; 并且循环压力阀具有作为反馈压力施加循环压力的阀芯，当锁止离合器接合/分离时施加另一个液压，并且弹簧推动阀芯，并将循环压力设定为 当锁止离合器接合时，锁定离合器分离时的恒定的第一压力，以及根据反馈压力和弹簧对滑阀的力的恒定的第二不同压力。
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公开(公告)号：US20110278130A1
公开(公告)日：2011-11-17
申请号：US13109414
申请日：2011-05-17
IPC分类号： F16D25/12
CPC分类号： F16D48/02 , F16D48/066 , F16D2048/0281 , F16D2048/029 , F16D2048/0293 , F16D2500/3022 , F16D2500/3024 , F16D2500/5108 , F16H61/0206 , F16H61/12 , F16H61/686 , F16H2061/1232 , F16H2061/168
摘要： A hydraulic control device that controls a hydraulic pressure to be supplied to a hydraulic servo for a hydraulically driven friction engagement element in an automatic transmission that changes between shift speeds by switching an engagement state of the friction engagement element. The control device configured with a switching mechanism that allows communication between oil passage for a first pressure regulation mechanism and the oil passage for a hydraulic servo and blocking communication between an oil passage for the second pressure regulation mechanism and the oil passage for the hydraulic servo when the signal pressure is not input to the signal pressure input oil passage, and blocking communication between the oil passage for the first pressure regulation mechanism and the oil passage for the hydraulic servo and allowing communication between the oil passage for the second pressure regulation mechanism.
摘要翻译： 一种液压控制装置，其将通过切换摩擦接合元件的接合状态而在变速速度之间变化的自动变速器中的液压驱动摩擦接合元件的液压伺服系统控制。 所述控制装置具有切换机构，所述切换机构能够使第一压力调节机构的油路与所述液压伺服用油路之间的连通，以及用于所述第二压力调节机构的油路与所述液压伺服用的油路之间的连通， 信号压力不输入到信号压力输入油路，并阻塞用于第一压力调节机构的油路和用于液压伺服的油路之间的连通，并允许用于第二压力调节机构的油通道之间的连通。
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公开(公告)号：US20110301803A1
公开(公告)日：2011-12-08
申请号：US13107236
申请日：2011-05-13
IPC分类号： G01M13/02
CPC分类号： F16H61/00 , F16H61/12 , F16H61/16 , F16H61/686 , F16H2061/1204 , F16H2061/1208 , F16H2061/1232 , F16H2061/1264 , F16H2061/1268 , F16H2061/168 , Y10T477/649
摘要： A control device for an automatic transmission that outputs a command signal to an actuator to control the automatic transmission. The control device configured with a main control section that receives a state of the automatic transmission, that determines an abnormality in the automatic transmission on the basis of the input state of the automatic transmission, and that outputs to the actuator a main control section command signal for controlling the automatic transmission so as to establish a predetermined shift speed when it is determined that an abnormality is occurring in the automatic transmission; and a monitoring section that determines an abnormality in the main control section and that outputs to the actuator a monitoring section command signal for causing the automatic transmission to establish a neutral state irrespective of the main control section command signal when it is determined that an abnormality is occurring in the main control section.
摘要翻译： 一种用于自动变速器的控制装置，其将命令信号输出到致动器以控制自动变速器。 所述控制装置具有主控制部，所述主控部接收自动变速器的状态，所述自动变速器的状态根据所述自动变速器的输入状态来决定所述自动变速器的异常，并向所述致动器输出主控制部指令信号 用于控制自动变速器，以便当确定在自动变速器中发生异常时，建立预定的换档速度; 以及监视部，其判定所述主控制部的异常，并向所述致动器输出监视部的指令信号，所述监视部的指令信号，用于使所述自动变速器与所述主控制部的指令信号无关地确定为中立状态。 发生在主控制部分。
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公开(公告)号：US20130012354A1
公开(公告)日：2013-01-10
申请号：US13534953
申请日：2012-06-27
IPC分类号： B60W10/02
CPC分类号： F16H61/0025 , F16H61/0031 , F16H61/0206 , F16H2061/0034 , Y10T477/6418 , Y10T477/69398
摘要： A fluid pressure control device for an automatic transmission that transfers power from a motor via a friction engagement element, including: a first pump actuated by the power from the motor; a pressure regulator that regulates pressure of a working fluid pumped from the first pump; a first flow passage connected to an output port of the pressure regulator; a second flow passage connected to a fluid pressure chamber of the friction engagement element; a switcher that establishes and blocks connection between the first flow passage and the second flow passage; a second pump actuated by supply of electric power and capable of supplying the working fluid to the second flow passage with connection between the first flow passage and the second flow passage blocked by the switcher; and a pressure accumulator that accumulates pressure of the working fluid. The pressure accumulator is connected to the first flow passage.
摘要翻译： 一种用于通过摩擦接合元件从电动机传递动力的自动变速器的流体压力控制装置，包括：由来自电动机的动力驱动的第一泵; 压力调节器，其调节从第一泵泵送的工作流体的压力; 连接到所述压力调节器的输出端口的第一流动通道; 连接到所述摩擦接合元件的流体压力室的第二流动通道; 切换器，其建立并阻止第一流动通道和第二流动通道之间的连接; 通过供电而致动的第二泵，并且能够通过第一流动通道和第二流动通道之间的连接将工作流体供应到第二流动通道; 以及蓄压器，其累积工作流体的压力。 蓄压器连接到第一流动通道。
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公开(公告)号：US20120241272A1
公开(公告)日：2012-09-27
申请号：US13427220
申请日：2012-03-22
CPC分类号： F16H61/143 , F16H61/0021 , F16H61/686
摘要： A hydraulic control device controls a hydraulic pressure in an engagement side oil chamber defined on one side of a piston that configures a hydraulic clutch, and a hydraulic pressure in a back-pressure side oil chamber defined on the other side of the piston. The hydraulic control device includes a line pressure generating valve that generates a line pressure by adjusting a hydraulic pressure from an oil pump; a secondary pressure generating valve that generates a secondary pressure, which is a hydraulic pressure supplied to the back-pressure side oil chamber, by adjusting a hydraulic pressure from the line pressure generating valve so as to be lower than the line pressure; and a clutch engagement pressure generating valve that generates a clutch engagement pressure, which is a hydraulic pressure supplied to the engagement side oil chamber, by adjusting the line pressure from the line pressure generating valve.
摘要翻译： 液压控制装置控制在构成液压离合器的活塞的一侧上限定的接合侧油室中的液压以及限定在活塞的另一侧的背压侧油室中的液压。 液压控制装置包括通过调节来自油泵的液压而产生管路压力的管路压力发生阀; 二次压力发生阀，其通过将来自管路压力发生阀的液压调节为低于管路压力而产生作为供给到背压侧油室的液压的二次压力; 以及离合器接合压力发生阀，其通过调节来自管路压力发生阀的管路压力而产生作为供给到接合侧油室的液压的离合器接合压力。
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公开(公告)号：US20120137670A1
公开(公告)日：2012-06-07
申请号：US13281998
申请日：2011-10-26
IPC分类号： F15B11/17
CPC分类号： F16H61/0021 , F16H61/0031 , F16H61/0206 , F16H2312/14 , F16H2312/20
摘要： A power transmission device that transmits power from a motor to a wheel via a hydraulically driven friction engagement element and that includes a mechanical pump driven by the motor to produce a hydraulic pressure that is regulated by a pressure regulating valve; an electric pump that produces a hydraulic pressure; a switching mechanism that either switches an output pressure of the regulating valve or an output pressure of the electric pump to a servo of the engagement element based upon a signal pressure; a passage to supply pressure from the mechanical pump to the hydraulic servo; a check valve in the passage that allows supply of the pressure from the mechanical pump to the hydraulic servo and prohibits supply of the pressure from the electric pump to the mechanical pump, and the switching mechanism either shuts off or allows communication through the passage based upon the signal pressure.
摘要翻译： 一种动力传递装置，其通过液压驱动的摩擦接合元件将电动机从电动机传递到车轮，并且包括由电动机驱动的机械泵，以产生由压力调节阀调节的液压; 产生液压的电动泵; 切换机构，其基于信号压力将调节阀的输出压力或电动泵的输出压力切换到接合元件的伺服器; 从机械泵向液压伺服提供压力的通道; 通道中的止回阀，其允许将来自机械泵的压力供应到液压伺服机构，并且禁止从电动泵向机械泵供给压力，并且切换机构关闭或允许通过通道的连通基于 信号压力。
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公开(公告)号：US20120290180A1
公开(公告)日：2012-11-15
申请号：US13556746
申请日：2012-07-24
申请人： Tetsuya SHIMIZU , Masamichi YAMAGUCHI , Satoshi NISHIO , Kenichi TSUCHIDA , Akitomo SUZUKI , Kazunori ISHIKAWA , Shin-ichirou MURAKAMI
发明人： Tetsuya SHIMIZU , Masamichi YAMAGUCHI , Satoshi NISHIO , Kenichi TSUCHIDA , Akitomo SUZUKI , Kazunori ISHIKAWA , Shin-ichirou MURAKAMI
IPC分类号： F16H61/30
CPC分类号： F16H61/12 , F16H61/686 , F16H2061/1204 , F16H2061/1224 , F16H2061/1264 , Y10T477/62429 , Y10T477/638 , Y10T477/6414 , Y10T477/648 , Y10T477/693762
摘要： An exemplary control device includes an input torque detection unit that detects an input torque input to the input shaft; and a controller that: determines torque distribution of two of the friction engagement elements that form the shift speeds; and calculates a transmission torque of the two friction engagement elements based on the input torque and the torque distribution and sets the engagement pressure to obtain a torque capacity that can transmit the transmission torque, wherein the controller sets the engagement pressure such that slippage does not occur in the two friction engagement elements in a state where engagement of the two friction engagement elements forms the shift speeds and such that, even if an additional friction engagement element engages based on the line pressure while the two friction engagement elements are engaged, one of the three friction engagement elements is caused to slip.
摘要翻译： 示例性控制装置包括：输入转矩检测单元，其检测输入到输入轴的输入转矩; 以及控制器，其确定形成所述换档速度的两个摩擦接合元件的扭矩分布; 并基于输入转矩和转矩分配计算两个摩擦接合元件的传递扭矩，并且设定接合压力以获得能够传递传递扭矩的扭矩容量，其中控制器设置接合压力使得不发生滑动 在两个摩擦接合元件中，两个摩擦接合元件的接合形成换挡速度并且使得即使在两个摩擦接合元件接合时基于线压力的另外的摩擦接合元件接合，两个摩擦接合元件中的一个 导致三个摩擦接合元件滑动。
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公开(公告)号：US20120144818A1
公开(公告)日：2012-06-14
申请号：US13281809
申请日：2011-10-26
IPC分类号： F15B11/08
CPC分类号： F04B17/03 , F04B17/05 , F16H61/0021 , F16H61/0031 , F16H61/0206
摘要： A power transmission device that transmits power from a motor to a wheel via a hydraulically driven friction engagement element and that includes a mechanical pump driven by the motor to produce a hydraulic pressure that is regulated by a pressure regulating valve; an electric pump that produces a hydraulic pressure; a switching mechanism that either switches an output pressure of the regulating valve or an output pressure of the electric pump to a servo of the engagement element based upon a signal pressure, and a drain valve that opens to drain oil when a hydraulic pressure of a preset pressure or more is applied, and the switching mechanism connects to the drain valve to allow communication between the electric pump and the drain valve in the first state, and shut off communication between the electric pump and the drain valve.
摘要翻译： 一种动力传递装置，其通过液压驱动的摩擦接合元件将电动机从电动机传递到车轮，并且包括由电动机驱动的机械泵，以产生由压力调节阀调节的液压; 产生液压的电动泵; 切换机构，其基于信号压力将调节阀的输出压力或电动泵的输出压力切换到接合元件的伺服机构;以及排水阀，其在预设的液压压力下打开以排出油 施加压力以上，并且开关机构连接到排水阀，以允许在第一状态下电动泵和排水阀之间的连通，并且切断电动泵与排水阀之间的连通。
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