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    • 62. 发明申请
    • HYDRAULIC CONTROL APPARATUS FOR LOCKUP CLUTCH
    • 液压离合器液压控制装置
    • US20110246037A1
    • 2011-10-06
    • US13034110
    • 2011-02-24
    • Tetsuya SHIMIZUKenichi TsuchidaKazunori Ishikawa
    • Tetsuya SHIMIZUKenichi TsuchidaKazunori Ishikawa
    • F16D48/06F16D25/00
    • F16H61/143F16H59/72F16H61/686
    • A hydraulic pressure control apparatus for a lockup clutch of a fluid transmission device. In a spool of the lockup relay valve, switching to a position on an engaging side (right half position) for engaging a lockup clutch is achieved by a signal pressure being input from a linear solenoid valve to a hydraulic oil chamber, and switching to a position on a releasing side (left half position) for releasing the lockup clutch is achieved by an urging member such as a spring force of a spring. Since the response is low with the switching by the spring force, the state of a vehicle is sensed by a sensor and, if quick release of the lockup clutch is necessary, a signal pressure from a solenoid valve is input to a hydraulic oil chamber to apply the spring force, and assists with a hydraulic pressure, thereby switching the spool to the releasing side. Accordingly, the response when the lockup relay valve is switched from the engaging side to the releasing side is enhanced.
    • 一种用于流体传动装置的锁止离合器的液压控制装置。 在锁止继电阀的阀芯中,通过从线性电磁阀输入到液压油室的信号压力切换到用于接合锁止离合器的接合侧(右半位置)上的位置,并切换到 用于释放锁止离合器的释放侧(左半位置)的位置通过诸如弹簧的弹簧力的推动构件来实现。 由于通过弹簧力的切换响应低,所以通过传感器检测车辆的状态,并且如果需要快速释放锁止离合器,则将来自电磁阀的信号压力输入到液压油室 施加弹力,并辅助液压,从而将卷轴切换到释放侧。 因此,当锁止继电器阀从接合侧切换到释放侧时的响应增强。
    • 65. 发明授权
    • Switch valve
    • 开关阀
    • US06752734B2
    • 2004-06-22
    • US10185004
    • 2002-07-01
    • Masahiro ItouNaoyuki FukayaMikio IwaseKazunori IshikawaYoshihiro Iijima
    • Masahiro ItouNaoyuki FukayaMikio IwaseKazunori IshikawaYoshihiro Iijima
    • F16H6118
    • F16H61/12F16H61/0206F16H61/0276F16H61/686F16H2061/0253F16H2061/1232F16H2061/1268F16H2306/00Y10T137/86767
    • This invention provides a switch valve which can increase durability without causing driver discomfort at a time when a failure occurs. The switch valve has a spool is formed by a spool portion and a plunger which is arranged so as to freely abut against the spool portion. The switch valve also include a spool surrounding portion surrounding the spool and provided with a plurality of land portions. The spool selectively adopts a position at a normal, non-failure state and a position at a fail state. In the position at the normal state, at least one corner portion of the land in the plunger protrudes from an end portion of the corresponding land portion. Because a stepped wear portion is not formed on an inner peripheral surface of the land portion, foreign materials, such as wear powders or the like, do not enter a portion between an outer peripheral surface of the land and the inner peripheral surface of the land portion when the failure occurs.
    • 本发明提供一种切换阀,其可以在发生故障时提高耐久性而不引起驾驶员的不适。 开关阀具有由阀芯部和柱塞形成的阀芯,柱塞部和柱塞被配置成自由地抵靠阀芯部。 切换阀还包括围绕卷轴并且设置有多个陆部的卷轴环绕部分。 阀芯选择性地采用正常,非故障状态的位置和处于故障状态的位置。 在正常状态的位置,柱塞中的台阶的至少一个角部从对应的陆部的端部突出。 由于在陆部的内周面上没有形成台阶状的磨损部,所以诸如磨损粉末等的异物不会进入到焊盘的外周面和焊盘的内周面之间的部分 发生故障时的部分。
    • 66. 发明申请
    • ELECTROMAGNETIC PUMP
    • 电磁泵
    • US20110293449A1
    • 2011-12-01
    • US13147728
    • 2010-05-10
    • Tetsuya ShimizuKazuhiko KatoNoriomi FujiiKazunori Ishikawa
    • Tetsuya ShimizuKazuhiko KatoNoriomi FujiiKazunori Ishikawa
    • F04B35/04
    • F04B53/12F04B17/044F04B17/048
    • A piston is slidably provided in a cylinder and partitions a first pump chamber, and a second pump chamber connected to an object to be operated. A first on-off valve is provided between the first pump chamber and the outside. A second on-off valve is provided in a connecting flow passage that connects the first pump chamber and the second pump chamber to each other. When the piston is moved forward by an electromagnetic force of a solenoid portion, a capacity of the first pump chamber decreases, and a capacity of the second pump chamber increases. When the piston is moved backward by a biasing force of a spring, the capacity of the first pump chamber increases, and the capacity of the second pump chamber decreases. A pressure receiving area of the front face of the piston is larger than that of the back face thereof.
    • 活塞可滑动地设置在气缸中并且分隔第一泵室和连接到待操作对象的第二泵室。 第一开关阀设置在第一泵室和外部之间。 第二开关阀设置在将第一泵室和第二泵室彼此连接的连接流路中。 当活塞通过螺线管部分的电磁力向前移动时,第一泵室的容积减小,并且第二泵室的容量增加。 当活塞通过弹簧的偏置力向后移动时,第一泵室的容量增加,并且第二泵室的容积减小。 活塞前面的受压面积大于其背面的受压面积。
    • 67. 发明授权
    • Electromagnetic pump
    • 电磁泵
    • US09175679B2
    • 2015-11-03
    • US13147728
    • 2010-05-10
    • Tetsuya ShimizuKazuhiko KatoNoriomi FujiiKazunori Ishikawa
    • Tetsuya ShimizuKazuhiko KatoNoriomi FujiiKazunori Ishikawa
    • F04B17/04F04B53/12
    • F04B53/12F04B17/044F04B17/048
    • A piston is slidably provided in a cylinder and partitions a first pump chamber, and a second pump chamber connected to an object to be operated. A first on-off valve is provided between the first pump chamber and the outside. A second on-off valve is provided in a connecting flow passage that connects the first pump chamber and the second pump chamber to each other. When the piston is moved forward by an electromagnetic force of a solenoid portion, a capacity of the first pump chamber decreases, and a capacity of the second pump chamber increases. When the piston is moved backward by a biasing force of a spring, the capacity of the first pump chamber increases, and the capacity of the second pump chamber decreases. A pressure receiving area of the front face of the piston is larger than that of the back face thereof.
    • 活塞可滑动地设置在气缸中并且分隔第一泵室和连接到待操作对象的第二泵室。 第一开关阀设置在第一泵室和外部之间。 第二开关阀设置在将第一泵室和第二泵室彼此连接的连接流路中。 当活塞通过螺线管部分的电磁力向前移动时,第一泵室的容量减小,并且第二泵室的容量增加。 当活塞通过弹簧的偏置力向后移动时,第一泵室的容量增加,并且第二泵室的容积减小。 活塞前面的受压面积大于其背面的受压面积。
    • 69. 发明授权
    • Hydraulic pressure control device
    • 液压控制装置
    • US08714325B2
    • 2014-05-06
    • US13434331
    • 2012-03-29
    • Tomoya JinnoTetsuya ShimizuKazunori Ishikawa
    • Tomoya JinnoTetsuya ShimizuKazunori Ishikawa
    • F16H61/14
    • F16H61/143
    • A hydraulic pressure controller, which controls hydraulic pressure supplied to a torque converter including a lock-up clutch that is engageable using a hydraulic pressure from a mechanical pump, including a first pressure regulation valve that regulates pressure in a first passage connected to the pump while discharging oil in the first passage to a discharge passage; a bypass passage branched from the first passage bypassing the first pressure regulation valve; a first switching valve selectively switchable between a first state in which the bypass passage and a second passage are connected to each other and a second state in which the discharge passage and the second passage are connected to each other; and a second pressure regulation valve that regulates a hydraulic pressure in the second passage. The first switching valve is switchable into the first state to engage the clutch and into the second state to disengage the clutch.
    • 液压控制器,其控制提供给包括锁定离合器的液压的液压压力,该离合器可使用来自机械泵的液压进行接合,所述液压压力包括调节连接到所述泵的第一通道中的压力的​​第一压力调节阀, 将第一通道中的油排出到排放通道; 旁路通路,其从绕过所述第一压力调节阀的所述第一通道分支; 第一切换阀,其可选择地在旁通通路和第二通道彼此连接的第一状态和第二状态之间切换,排出通道和第二通道彼此连接; 以及调节第二通道中的液压的第二压力调节阀。 第一切换阀可切换到第一状态以接合离合器并进入第二状态以使离合器脱离。