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    • 21. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US07455920B2
    • 2008-11-25
    • US10533431
    • 2003-12-01
    • Hiromasa Sakai
    • Hiromasa Sakai
    • H01M8/04
    • H01M8/04253H01M8/04126H01M8/04223H01M8/04225H01M8/04302
    • The fuel cell system comprises a fuel cell (1) that has an electrolyte membrane and generates power by using a fuel gas and an oxidizing agent gas; a storage device (51) for water that humidifies the fuel cell; and a controller (100). The controller (100) judges whether the fuel cell (1) can be humidified by using the water of the storage device (51), and limits the operating temperature of the fuel cell (1) to below a limit temperature that is lower than during normal operation in a case where it is judged that the fuel cell (1) cannot be humidified.
    • 燃料电池系统包括具有电解质膜并通过使用燃料气体和氧化剂气体发电的燃料电池(1); 用于对所述燃料电池进行加湿的水的存储装置(51) 和控制器(100)。 控制器(100)判断燃料电池(1)是否可以通过使用存储装置(51)的水而被加湿,并且将燃料电池(1)的工作温度限制在低于期间的限制温度以下 在判断燃料电池(1)不能被加湿的情况下的正常运转。
    • 23. 发明授权
    • Line pressure control apparatus of automatic transmission
    • 自动变速器线路压力控制装置
    • US5906556A
    • 1999-05-25
    • US956293
    • 1997-10-23
    • Chiaki HaradaHiromasa SakaiKazuhiro Takatori
    • Chiaki HaradaHiromasa SakaiKazuhiro Takatori
    • F16H59/44F16H61/00F16H61/14
    • F16H61/143F16H61/0021F16H59/44Y10T477/69395Y10T477/753
    • A line pressure control apparatus of an automatic transmission controls the line pressure of the automatic transmission under a lockup condition to ensure an engagement capacity and an amount of lubrication oil for an engaged friction element under a high vehicle speed condition. The line pressure control apparatus comprises a line pressure lowering section, a vehicle speed deciding section and a pressure changing section. The pressure lowering section lowers a line pressure under a lockup condition of the automatic transmission. The vehicle speed deciding section decides whether a vehicle speed of the automotive vehicle is higher than a predetermined value. The pressure changing section changes the line pressure under the lockup condition from the lowered line pressure to a line pressure under a normal condition when the vehicle speed is higher than the predetermined value.
    • 自动变速器的线路压力控制装置在锁定状态下控制自动变速器的管路压力,以确保在高车速条件下接合的摩擦元件的润滑油的接合能力和量。 线路压力控制装置包括线路压力降低部分,车速判定部分和压力变化部分。 在自动变速箱的锁定状态下,降压部降低管路压力。 车速决定部判定机动车辆的车速是否高于规定值。 当车速高于预定值时,压力改变部分使得在锁定状态下的管线压力从正常状态下的线路压力降低到线路压力。
    • 26. 发明授权
    • Hydraulic pressure control device of automatic transmission
    • 自动变速器液压控制装置
    • US6142906A
    • 2000-11-07
    • US521610
    • 2000-03-09
    • Hiromasa SakaiJun Sugihara
    • Hiromasa SakaiJun Sugihara
    • F16H15/38F16H57/04F16H61/00F16H61/14
    • F16H15/38F16H57/0434F16H57/049F16H61/14
    • A toroidal continuously variable transmission (11) having power rollers (18A-18D) held between input discs (19, 20) and output discs (21, 22) and transmitting power and a torque converter (12) having a lock up clutch (12D) connected to the continuously variable transmission (11) are provided. The line pressure of a working fluid supplied from a pump (1) is adjusted by a pressure regulator valve (2), and the adjusted line pressure is introduced to a lock up control valve (5) for controlling a fluid pressure to be supplied to the lock up clutch (12D) of the torque converter (12) through a pressure passage (31). Further, an oil cooler (32) is interposed in a downstream portion of the lock up control valve (5). The lubricating circuit of the continuously variable transmission is separated into a first lubricating circuit 33 for lubricating a bearing member of the power rollers (18A-18D) and a second lubricating circuit (35) for lubricating a rolling surface between the input and output discs (19-22) and the power rollers (18A-18D). The first lubricating circuit (33) is connected to a downstream portion of the cooler (32) and the second lubricating circuit (35) is connected to an upstream portion of the lock up control valve (5).
    • 具有保持在输入盘(19,20)和输出盘(21,22)之间的动力辊(18A-18D)和传递动力的环形无级变速器(11)和具有锁定离合器(12D)的变矩器(12) )连接到无级变速器(11)。 通过压力调节阀(2)调节从泵(1)供给的工作流体的管路压力,将调节后的管路压力引入到锁定控制阀(5),以控制供给到 变速器(12)的锁止离合器(12D)通过压力通道(31)。 此外,油冷却器(32)插入在锁定控制阀(5)的下游部分。 无级变速器的润滑回路被分离成用于润滑动力辊(18A-18D)的轴承部件的第一润滑回路33和用于润滑输入和输出盘之间的滚动面的第二润滑回路(35) 19-22)和动力辊(18A-18D)。 第一润滑回路33与冷却器32的下游部连接,第二润滑回路35与锁止控制阀5的上游部连接。
    • 27. 发明授权
    • Lockup control system for torque converter
    • 变矩器闭锁控制系统
    • US5616100A
    • 1997-04-01
    • US579373
    • 1995-12-27
    • Hiromasa SakaiKoichi Hayasaki
    • Hiromasa SakaiKoichi Hayasaki
    • F16H59/18F16H59/48F16H61/14B60K41/02
    • F16H61/143F16H2059/186F16H59/48Y10T477/6242Y10T477/735Y10T477/75Y10T477/753
    • An improved lockup control system for a lockup-type torque converter for automotive vehicle performs a coasting lockup control of a lockup clutch with minimized response delay of lockup releasing control and suppressed lockup releasing shock upon acceleration of the vehicle. The control system includes a controller that is operative when the driving condition of a vehicle as represented by the throttle valve opening and the vehicle speed is judged to belong to a lockup region. The controller reduces the differential pressure across the lockup clutch to a lower limit value within a range in which the clutch can be prevented from slips. Thus, when the vehicle is reaccelerated and the driving condition shifts out of the lockup region, the reduction amount of the differential pressure is minimized to mitigate the response delay in the lockup releasing control. The differential pressure is reduced gradually in the case of rapid acceleration to avoid occurrence of a lockup releasing shock, and instantaneously to a maximum value in the case of gradual acceleration when the lockup releasing shock is not a problem.
    • 用于机动车辆的锁定型变矩器的改进的锁定控制系统以最小化的锁定释放控制的响应延迟和车辆加速度的抑制锁止释放冲击来执行锁止离合器的惯性锁定控制。 控制系统包括控制器,当由节气门开度表示的车辆的驾驶状态和车速被判定为属于锁定区域时,该控制器可操作。 控制器将锁止离合器两端的差压降低到能防止离合器滑移的范围内的下限值。 因此,当车辆重新加速并且驱动条件从锁定区域移出时,差压减小量被最小化以减轻锁定释放控制中的响应延迟。 在快速加速的情况下,差压逐渐减小,以避免发生锁止释放冲击,并且当锁止释放冲击不成问题时,在逐渐加速的情况下,瞬时达到最大值。
    • 28. 发明授权
    • Lock-up control system for torque converter
    • 变矩器锁定控制系统
    • US5616099A
    • 1997-04-01
    • US557537
    • 1995-11-14
    • Hiromasa Sakai
    • Hiromasa Sakai
    • F16H59/18F16H59/22F16H61/14B60K41/02
    • F16H61/143F16H2059/186F16H59/18F16H59/22Y10T477/735Y10T477/75Y10T477/753
    • A lock-up control system for a torque converter, in a vehicle transmitting a driving torque of a prime mover to wheels via a power transmission unit including the torque converter which can establish direct coupling between an input element and an output element. The lock-up control system has an accelerator releasing detecting portion for detecting releasing of an accelerator for operating the prime mover, a lock-up range detecting portion for detecting a vehicle traveling condition falling within a lock-up range for establishing direct coupling of the input and output elements of the torque converter by means of a lock-up clutch, a lock-up progressing portion for progressing direct coupling between the input and output element of the torque converter by engagement of the lock-up clutch in response to the accelerator releasing detecting means and the lock-up range detecting means, when the vehicle traveling condition enters into the lock-up range, a coasting capacity detecting portion for detecting an engaging capacity of the lock-up clutch as progressing establishment of lock-up state, reaching a coasting capacity required for coasting of the vehicle, and a coasting capacity maintaining portion for holding the engaging capacity of the lock up clutch by interrupting progress of engagement of the lock-up clutch when the engaging capacity reaching the coasting capacity is detected.
    • 一种用于变矩器的锁定控制系统,在车辆中通过包括能够在输入元件和输出元件之间建立直接耦合的变矩器的动力传递单元将原动机的驱动转矩传递到车轮的车辆中。 锁定控制系统具有用于检测用于操作原动机的加速器的释放的加速器释放检测部分,用于检测落在锁定范围内的车辆行驶状态的锁定范围检测部分,用于建立直接联接 通过锁止离合器的变矩器的输入和输出元件,用于通过锁定离合器响应于加速器的接合而在变矩器的输入和输出元件之间进行直接耦合的锁定进行部分 释放检测装置和锁定范围检测装置,当车辆行驶状态进入锁定范围时,用于检测锁定离合器的接合能力的滑行能力检测部分作为进入锁定状态的进行状态, 达到车辆滑行所需的滑行能力,以及用于保持锁定的接合能力的滑行能力维持部 当检测到达到惯性能力的接合能力时,通过中断锁止离合器的接合进程来进行离合器。
    • 29. 发明授权
    • Lockup control system for torque converter
    • 变矩器闭锁控制系统
    • US5609551A
    • 1997-03-11
    • US570887
    • 1995-12-12
    • Hiromasa Sakai
    • Hiromasa Sakai
    • F16H59/24F16H59/36F16H59/38F16H59/44F16H59/54F16H61/14B60K41/02
    • F16H61/143F16H2059/385F16H59/24F16H59/36F16H59/44F16H59/54Y10T477/73Y10T477/743
    • An improved lockup control system for a lockup-type torque converter including a lockup clutch performs a lockup releasing control of the lockup clutch with a satisfactory response characteristic at any input torque of the torque converter without causing a lockup releasing shock. The control system includes a controller which is operative when the driving condition of a vehicle as represented by the throttle valve opening and the vehicle speed is judged to belong to a lockup releasing region, to reduce the differential pressure across the lockup clutch for disengaging the lockup clutch and thereby releasing the lockup. On such occasion, in the first place, the differential pressure is set to an initial differential pressure immediately before the lockup clutch begins to slip, depending upon the input torque of the torque converter at the instant of the lockup releasing command. Subsequently, the differential pressure is gradually reduced from the initial differential pressure to become zero after the lapse of a predetermined time.
    • 一种用于包括锁止离合器的锁定型液力变矩器的改进的锁止控制系统,在扭矩转换器的任何输入转矩下以令人满意的响应特性执行锁止离合器的锁定解除控制,而不会产生锁定释放冲击。 控制系统包括控制器,当由节气门开度表示的车辆的驾驶状态和车速被判断为属于锁止释放区域时,可以操作,以减小锁止离合器两端的压差以解除锁定 离合器,从而释放锁定。 在这种情况下,首先,在锁止离合器开始滑动之前,根据变速器在锁止解除指令时的输入转矩,将差压设定为初始压差。 随后,在经过预定时间之后,压差从初始压差逐渐减小到零。