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1.发明授权Lock-up torque converter and method for controlling clutch slip in lock-up torque converter 失效锁止力矩转换器及锁止力矩转换器离合器滑差控制方法
公开(公告)号：US4577737A
公开(公告)日：1986-03-25
申请号：US518915
申请日：1983-08-01
CPC分类号： F16H61/143 , F16H2045/0294 , F16H2061/145 , F16H59/16 , Y10T477/73 , Y10T477/75
摘要： A torque transmission through the hydrodynamic drive is directly measured by a torque sensor and a desired torque transmission is obtained for operating condition of a prime mover. The clutch slip of a lock-up clutch is adjusted toward a value where the measured torque transmission agrees with the desired torque transmission.
摘要翻译： 通过流体动力传动的扭矩传递通过扭矩传感器直接测量，并且获得原动机的操作条件的期望的扭矩传递。 锁定离合器的离合器滑差被调节到所测量的扭矩传递与期望的扭矩传递一致的值。
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公开(公告)号：US4560043A
公开(公告)日：1985-12-24
申请号：US545198
申请日：1983-10-25
IPC分类号： F16H45/02 , F16H61/14 , F16D43/284
CPC分类号： F16H45/02 , F16H61/14 , F16H2045/0294 , F16H2061/145 , Y10T477/635
摘要： A torque converter having an engine-driven pump impeller fastened to an input shell and a fluid-driven turbine runner mounted on an output shaft is equipped with a fluid-operated lockup clutch for providing a direct mechanical drive between the input shell and the output shell. The lockup clutch is maintained in a slipping engagement condition in an intermediate speed range. This slipping engagement is controlled by a variable fluid passage whose opening size is determined by an axial position of the turbine runner relative to the output shaft. The turbine runner is rotatable and axially movable relative to the output shaft. The turbine runner and the output shaft have, respectively, flanges which rotates side by side. There are formed, between the flanges, a plurality of pockets which are circumferentially arranged. Each pocket has contoured surfaces, and confines a ball. Each set of the ball and pocket is so formed as to control the opening size of the variable fluid passage by causing the turbine runner to move axially when the turbine runner rotate relative to the output shaft.
摘要翻译： 具有紧固到输入壳体的发动机驱动的泵叶轮和安装在输出轴上的流体驱动的涡轮流量的变矩器配备有流体操作的锁止离合器，用于在输入壳和输出壳之间提供直接的机械驱动 。 锁止离合器在中速范围内保持滑动接合状态。 这种滑动接合由可变流体通道控制，可变流体通道的开口尺寸由涡轮流道相对于输出轴的轴向位置确定。 涡轮转轮相对于输出轴是可旋转的并且可轴向移动。 涡轮机转轮和输出轴分别具有并排旋转的凸缘。 在凸缘之间形成有周向布置的多个凹穴。 每个口袋都有轮廓，并限制一个球。 每一组球窝是这样形成的，以便当涡轮转轮相对于输出轴旋转时，通过使涡轮转轮轴向移动来控制可变流体通道的开口尺寸。
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3.发明授权
公开(公告)号：US4640395A
公开(公告)日：1987-02-03
申请号：US657953
申请日：1984-10-05
申请人： Takashi Murasugi , Masaaki Suga , Yasuhiro Niikura
发明人： Takashi Murasugi , Masaaki Suga , Yasuhiro Niikura
CPC分类号： F16H45/02 , F16H61/14 , F16H2045/0294 , F16H2061/145
摘要： A slip control mechanism comprises a throttling path with a cross-sectional area variable according to the relative displacement of an output element of a torque converter and an output shaft. The throttling path is in communication via a fluid passage with a disengagement chamber opposing one side of a friction clutch. The other side of the friction clutch faces an engagement chamber. The disengagement chamber and the engagement chambers are so arranged as to control slippage of the friction clutch by pressure balance therebetween. The throttling path is formed in a specific geometry which assures moderate changes in the pressure balance between the disengagement chamber and engagement chamber in an intermediate throttling range. In the preferred construction, the throttling path is so constructed that the rate of change of the throttling cross-sectional area satisifes the inequalityd.sup.2 S/dx.sup.2 .gtoreq.whereS is the cross-sectional area of the throttling path, andx is the relative displacement of the output element of the torque converter and the output shaft.
摘要翻译： 滑动控制机构包括根据变矩器的输出元件和输出轴的相对位移而具有可变截面面积的节流路径。 节流路径经由与摩擦离合器的一侧相对的分离室的流体通道连通。 摩擦离合器的另一侧面向接合室。 分离室和接合室被布置成通过其间的压力平衡来控制摩擦离合器的滑动。 节流路径以特定几何形状形成，其确保在中间节流范围内的分离室和接合室之间的压力平衡的适度变化。 在优选结构中，节流路径被构造成节流截面积的变化率满足不等式d2S / dx2> / =，其中S是节流路径的横截面面积，x是相对 变矩器的输出元件和输出轴的位移。
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公开(公告)号：US5667458A
公开(公告)日：1997-09-16
申请号：US499258
申请日：1995-07-07
CPC分类号： F16H61/143 , F16H2059/186 , F16H2059/385 , F16H2061/0087 , F16H2061/147 , F16H59/48 , F16H59/54 , Y10T477/635 , Y10T477/69 , Y10T477/735
摘要： A lock-up control apparatus for a vehicle automatic transmission enables an engine stalling prevention at the time of a sudden deceleration in the lock-up state of a torque converter without causing the slip of the torque converter before the sudden deceleration, and prevents effectiveness of the fuel consumption from being sacrificed by a fuel cut. A controller performs the change-speed control on an automatic transmission through shift solenoids and on the basis of a throttle opening and a transmission output speed, and also performs the lock-up control of the torque converter through a lock-up solenoid. During the coasting drive when the throttle opening is set close to zero, the controller sets the torque converter to have a minimum lock-up capacity through the lock-up solenoid within such a range that no slip occurs. When the sudden deceleration is carried out, the controller releases the lock-up, though this lock-up release is rapidly achieved with the minimum lock-up capacity thereby to avoid the engine stalling.
摘要翻译： 用于车辆自动变速器的锁止控制装置能够在扭矩转换器的锁定状态下的突然减速时防止发动机停转，而不会在突然减速之前引起变矩器的滑动，并且防止 燃料消耗由燃料切割牺牲。 控制器通过变速螺线管，基于节气门开度和变速器输出速度对自动变速器进行变速控制，并且还通过锁止螺线管进行变矩器的锁定控制。 在油门开度设定为接近零时，在滑行驱动期间，控制器通过锁止螺线管将变矩器设定为具有最小的锁定能力，在不发生滑差的范围内。 当执行突然减速时，控制器释放锁定，尽管通过最小的锁定能力快速实现该锁定释放，从而避免发动机停转。
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公开(公告)号：US4725951A
公开(公告)日：1988-02-16
申请号：US687291
申请日：1984-12-28
申请人： Yasuhiro Niikura
发明人： Yasuhiro Niikura
CPC分类号： B60W10/06 , B60W10/02 , B60W10/04 , B60W30/18 , B60W30/1819 , F16H61/143 , F16H59/14 , F16H59/40 , Y10T477/63525
摘要： A control system for a lock-up clutch in a torque converter wherein a lock-up clutch is controlled in response to load on a power source drivingly connected to an input element of the torque converter. A throttle opening degree and a revolution speed of an output element are used to determine load on the power source. In response to the load on the power source, a control gain is altered and the lock-up clutch is controlled in accordance with this altered control gain.
摘要翻译： 一种用于变矩器中的锁止离合器的控制系统，其中锁定离合器响应驱动地连接到变矩器的输入元件的电源上的负载而被控制。 使用输出元件的节气门开度和转速来确定电源上的负载。 响应于电源上的负载，改变控制增益，并且根据该改变的控制增益来控制锁止离合器。
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6.发明授权Scheme for detecting captions in coded video data without decoding coded video data 失效用于检测编码视频数据中的字幕的方案，而不对编码的视频数据进行解码公开(公告)号：US06243419B1
公开(公告)日：2001-06-05
申请号：US08863840
申请日：1997-05-27
申请人： Takashi Satou , Yukinobu Taniguchi , Yasuhiro Niikura , Akihito Akutsu , Yoshinobu Tonomura , Hiroshi Hamada
发明人： Takashi Satou , Yukinobu Taniguchi , Yasuhiro Niikura , Akihito Akutsu , Yoshinobu Tonomura , Hiroshi Hamada
IPC分类号： H04B166
CPC分类号： G06F17/30796 , G06F17/30831 , G06K9/325 , G06K2209/01 , H04N19/27 , H04N19/61
摘要： A video caption detection scheme capable of detecting captions from the coded video data which are coded by using a combination of predictive coding and motion compensation, without requiring the decoding of coded video data into frame images. In this video caption detection scheme, whether each pixel/block in the video data is coded by using inter-frame correlation without using motion compensation or not is judged. Then, a region in the video data at which pixels/blocks that is judged as being coded by using inter-frame correlation without using motion compensation are concentrated time-wise and space-wise, is detected as a caption region. The detection can be realized by counting a frequency of appearance of a pixel/block which is judged as being coded by using inter-frame correlation without using motion compensation, at each pixel/block position of a frame over a prescribed counting period, and then comparing the counted frequency of appearance with a prescribed threshold value.
摘要翻译： 一种能够通过使用预测编码和运动补偿的组合来编码的编码视频数据中的字幕的视频字幕检测方案，而不需要将编码的视频数据解码成帧图像。 在该视频字幕检测方案中，判断视频数据中的每个像素/块是否通过使用帧间相关而不使用运动补偿进行编码。 然后，检测作为字幕区域的视频数据中通过使用帧间相关而不使用运动补偿被判断为被编码的像素/块的区域是时间上和空间上的。 可以通过在规定的计数周期的帧的每个像素/块位置处对通过使用帧间相关而不使用运动补偿来判断为被编码的像素/块的出现频率进行计数来实现检测，然后 将计算的外观频率与规定的阈值进行比较。
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7.发明授权公开(公告)号：US06192183B1
公开(公告)日：2001-02-20
申请号：US08866341
申请日：1997-05-30
IPC分类号： H04N576
CPC分类号： H04N19/00 , G06F17/30796 , G06F17/30814 , G06F17/30817 , G06F17/30852 , G06F19/00 , G11B27/034 , G11B27/105 , G11B27/11 , G11B27/28 , G11B27/34 , G11B2220/20 , G11B2220/2525 , H04N5/147 , H04N9/8042 , H04N19/142 , H04N19/179 , H04N19/87
摘要： A video editing scheme for enabling a video editing operation on the coded video data efficiently. In a system in which the coded video data are decoded and displayed on a video display device, events including scene changes are detected from the coded video data, and icons are produced from the coded video data in correspondence to the detected events. On the other hand, playback possible positions from which the coded video data can be playbacked smoothly are determined, and an index information including an information on the produced icons and the determined playback possible positions is managed. Then, a plurality of icons are displayed on a single display, and a user is allowed to specify a desired icon among the displayed icons on the single display. Then, one playback possible position corresponding to the desired icon specified by the user is obtained according to the managed index information, and the coded video data are supplied to the video display device starting from the obtained playback possible position.
摘要翻译： 一种视频编辑方案，用于有效地对编码的视频数据进行视频编辑操作。 在将视频编码数据解码并显示在视频显示装置上的系统中，从编码的视频数据中检测出包括场景变化的事件，并根据检测到的事件从编码的视频数据生成图标。 另一方面，可以平滑地播放编码视频数据的播放可能位置，并且管理包括关于所产生的图标的信息和所确定的播放可能位置的索引信息。 然后，在单个显示器上显示多个图标，并且允许用户在单个显示器上显示的图标中指定期望的图标。 然后，根据管理的索引信息，获得与用户指定的期望图标对应的一个播放可能位置，并且从获得的播放可能位置开始将编码后的视频数据提供给视频显示装置。
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公开(公告)号：US5396421A
公开(公告)日：1995-03-07
申请号：US794220
申请日：1991-11-19
申请人： Yasuhiro Niikura , Tokiyoshi Yanai , Akihiko Sano
发明人： Yasuhiro Niikura , Tokiyoshi Yanai , Akihiko Sano
IPC分类号： B60K17/16 , B60K17/34 , B60K23/04 , F16D31/00 , F16D48/02 , F16D48/12 , F16H48/12 , F16H48/18 , F16H48/19 , F16H48/26 , F16H48/27 , F16H48/36 , F16H48/38 , B60K41/16
CPC分类号： B60K23/04
摘要： A torque distribution control device includes two rotational speed differential responsive type control couplings each having various transfer torque characteristics which differ in the ratio of a transfer torque to a rotational speed differential. The control device selects one of the torque transfer characteristics in response to a signal supplied thereto. When turning the outer wheel side control coupling is supplied with a signal for selecting the transfer torque characteristic that produces a maximum transfer torque for a given rotational speed differential, and the inner wheel side control coupling is supplied with a signal for attaining a non-slip rotational speed differential and for selecting the transfer torque characteristic that produces a transfer torque equal to that produced by the outer wheel side control coupling when the non-slip rotational speed differential is obtained. When the vehicle is running straight ahead, both control couplings are supplied with signals for selecting the transfer torque characteristics that produce maximum transfer torque for a given rotational speed differential.
摘要翻译： 扭矩分配控制装置包括两个转速差动响应型控制联接器，每个转速差动响应型控制联接器具有传递扭矩与转速差的比值不同的各种转矩转矩特性。 控制装置响应于提供给其的信号选择扭矩传递特性之一。 当转动外轮侧控制联轴器时，提供用于选择产生用于给定转速差速器的最大传递转矩的传递转矩特性的信号，并且为内轮侧控制联轴器提供用于获得防滑的信号 并且用于当获得防滑转速差时，用于选择产生与由外轮侧控制联轴器产生的传递扭矩相等的传递扭矩的传递扭矩特性。 当车辆直行前进时，两个控制联轴器都被提供有用于选择产生给定转速差速器的最大传递扭矩的传递扭矩特性的信号。
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公开(公告)号：US5303797A
公开(公告)日：1994-04-19
申请号：US785789
申请日：1991-10-31
申请人： Yasuhiro Niikura
发明人： Yasuhiro Niikura
IPC分类号： B60K17/348 , B60K17/35 , B60K23/08 , F16D31/06 , F16D48/12
CPC分类号： B60K17/35 , B60K23/0808
摘要： A torque distribution control device for a four-wheel drive vehicle includes a rotational speed differential responsive type control coupling combined with a front differential of a front wheel drive line. The control coupling has a variable orifice for varying its torque transfer characteristic and thereby varying distribution of engine torque between front and rear wheels. The orifice opening of the variable orifice varies depending upon a variation of a lateral acceleration of the vehicle, e.g., the orifice opening increases as the lateral acceleration increases.
摘要翻译： 用于四轮驱动车辆的扭矩分配控制装置包括与前轮驱动线的前差速器相结合的转速差动响应型控制联轴器。 控制联轴器具有可变孔口，用于改变其扭矩传递特性，从而改变前后轮之间的发动机扭矩分布。 可变孔的孔口开口根据车辆的横向加速度的变化而变化，例如，当横向加速度增加时，孔口开度增加。
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10.发明授权Rotational speed differential responsive type control coupling with variable transfer torque control means 失效具有变速传动扭矩控制的转速差速响应式控制联轴器
公开(公告)号：US5194053A
公开(公告)日：1993-03-16
申请号：US719704
申请日：1991-06-27
申请人： Akihiko Sano , Yasuhiro Niikura , Tokiyoshi Yanai
发明人： Akihiko Sano , Yasuhiro Niikura , Tokiyoshi Yanai
CPC分类号： F16D31/02 , B60K17/3505 , B60K23/04
摘要： A transfer torque control device for a rotational speed responsive type control coupling is provided for providing a desired variation of a transfer torque in response to a variation of a rotational speed differential. The control coupling has orifices for restricting fluid flow therethrough and for thereby producing a transfer torque between first and second axle shafts. The transfer torque control device controls the orifices in such a manner that the openings of the orifices are varied successively in response to variations of the rotational speed differential to obtain the desired torque transfer characteristic.
摘要翻译： 提供了一种用于转速响应型控制联接器的传递转矩控制装置，用于响应于转速差的变化提供传送转矩的期望变化。 控制联接器具有用于限制流过其中的流体的孔口，从而在第一和第二车轴之间产生传递扭矩。 传递扭矩控制装置以这样的方式控制孔，使得孔的开口响应于转速差的变化而连续变化以获得期望的扭矩传递特性。
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