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    • 2. 发明授权
    • Brake control apparatus for vehicle
    • 车辆制动控制装置
    • US4705323A
    • 1987-11-10
    • US873385
    • 1986-06-12
    • Yuzo ImotoToshihiro TakeiYoshiyuki HattoriHaruhiko UnoMitsuo InagakiKenji Takeda
    • Yuzo ImotoToshihiro TakeiYoshiyuki HattoriHaruhiko UnoMitsuo InagakiKenji Takeda
    • B60T8/34B60T8/36B60T8/44F16D65/14F16D65/18F16D55/08B60T8/02
    • F16D65/18B60T8/348B60T8/369B60T8/447F16D2121/02F16D2121/28F16D2123/00
    • Wheel cylinders supplied with oil pressure from a master cylinder are respectively provided in brake mechanism provided in wheels of a vehicle. The wheel cylinder has a brake piston provided to form a first fluid chamber to supply oil pressure from the master cylinder, and a brake piston driven by the oil pressure of the first fluid chamber. The wheel cylinder has a piston mechanism formed by laminating thin plate shaped piezoelectric elements, and the piston mechanism is controlled to be expanded or contracted by controlling the voltage applied to the piezoelectric elements to vary the volume of the first fluid chamber. Cut-off valves are provided in passages for supplying the oil pressure from the master cylinder to the wheel cylinders, a check valve for allowing only the work oil to flow from the master cylinder to the wheel cylinder in parallel with the cut-off valve to control to expand the piston in the state the oil pressure is generated from the master cylinder and the cut-off valve is closed to control to further strengthen the oil pressure in the first fluid chamber.
    • 提供有来自主缸的油压的轮缸分别设置在设置在车辆的车轮中的制动机构中。 轮缸具有制动活塞,该制动活塞设置成形成第一流体室,以从主缸提供油压,以及由第一流体室的油压驱动的制动活塞。 轮缸具有通过层叠薄板状压电元件而形成的活塞机构,并且通过控制施加到压电元件的电压来改变第一流体室的体积来控制活塞机构的膨胀或收缩。 截止阀设置在用于将主缸的油压供给到轮缸的通道中,止回阀仅允许工作油从截止阀平行地从主缸流到轮缸, 控制在从主缸产生油压的状态下膨胀活塞,并且截止阀被关闭以控制以进一步增强第一流体室中的油压。
    • 3. 发明授权
    • Piezoelectric servomechanism apparatus
    • 压电伺服机构
    • US4765140A
    • 1988-08-23
    • US816052
    • 1986-01-03
    • Yuzo ImotoYoshiyuki HattoriToshihiro TakeiMitsuo Inagaki
    • Yuzo ImotoYoshiyuki HattoriToshihiro TakeiMitsuo Inagaki
    • F16K31/02B60T8/32B60T8/36B60T8/42B60T8/48F16D29/00F16D65/18H01L41/083F15B7/00
    • B60T8/3205B60T8/369B60T8/4208B60T8/4809F16D29/00
    • A floating plate is provided in a cylinder chamber and slides freely like a piston. A first group of laminated, ring-shaped, thin-plate piezoelectric elements is provided between a fixed support member provided on part of a wall portion of this cylinder chamber and the floating plate. A second group of laminated, cylindrical, thin-plate piezoelectric elements is provided in the center of the first group and a working member is provided on the free end of the second group of elements that is not attached to the floating plate. A hydraulic chamber is formed in the cylinder chamber on the side of the floating plate opposite to the side on which the first and second groups of elements are provided, and the pressure in this hydraulic chamber pushes the floating plate in the direction of the fixed support member. Voltage is applied to the first and second groups of elements to expand and contract them thereby varying the distance between the floating plate and the fixed support member and varying the distance between the floating plate and the working member.
    • 浮动板设置在气缸室中,像活塞一样自由滑动。 第一组层叠的环形薄板压电元件设置在设置在该气缸室的壁部的一部分上的固定支撑构件和浮动板之间。 在第一组的中心设置有第二组层叠的圆柱形薄板压电元件,并且在第二组元件的自由端上设置工作构件,该第二组元件未附接到浮动板。 在浮动板的与设置有第一和第二组元件的一侧相对的一侧的气缸室中形成液压室,并且该液压室中的压力沿着固定支撑件的方向推动浮动板 会员。 电压被施加到第一和第二组元件以使其膨胀和收缩,从而改变浮动板和固定支撑构件之间的距离并改变浮动板和工作构件之间的距离。
    • 5. 发明授权
    • Automobile antiskid hydraulic braking system
    • 汽车防滑液压制动系统
    • US4738493A
    • 1988-04-19
    • US864490
    • 1986-05-19
    • Mitsuo InagakiHideaki SasayaKenji TakedaKazuma Matsui
    • Mitsuo InagakiHideaki SasayaKenji TakedaKazuma Matsui
    • B60T8/48B60T8/1761B60T8/40B60T8/42B60T8/02
    • B60T8/4031B60T8/404B60T8/4275
    • Antiskid hydraulic braking system comprising a first shutoff valve operable to shutoff hydraulic pressure from a master cylinder to wheel cylinder as the brakes tend to lock the wheels of a vehicle. Wheel cylinders are connected to a reservoir through a second shutoff valve which relieves hydraulic pressure at the wheel cylinders until the tendency toward wheel lock disappears. The system further comprises an intermittently operable high speed hydraulic pump, such as a piezoelectric pump, which serves to pump the brake fluid in the reservoir to the wheel cylinders to restore hydraulic pressure in the wheel cylinders. The piezoelectric pump comprises a pump plunger having a small diameter head defining a pumping chamber and a large diameter base defining a delivery or pressure chamber. The brake fluid under pressure in the delivery chamber acts upon the plunger base to hydraulically preload the piezoelectric elements.
    • 防滑液压制动系统包括第一截止阀,其可操作以在制动器倾向于锁定车辆的车轮时将从主缸到液压缸的液压切断。 轮缸通过第二截止阀连接到储存器,该第二截止阀减轻轮缸处的液压压力,直到车轮锁定的趋势消失。 该系统还包括间歇操作的高速液压泵,例如压电泵,其用于将储存器中的制动流体泵送到轮缸,以恢复轮缸中的液压。 压电泵包括具有限定泵送室的小直径头部和限定输送或压力室的大直径基座的泵柱塞。 在输送室内的压力下的制动液作用在柱塞基座上以液压预压电压元件。
    • 7. 发明授权
    • Sliding-vane rotary compressor with specific cylinder bore profile
    • 具有特定气缸孔型材的滑动叶片式旋转压缩机
    • US4616984A
    • 1986-10-14
    • US711839
    • 1985-03-14
    • Mitsuo InagakiKenji TakedaShigeki IwanamiHideaki SasayaEiichi Nagasaku
    • Mitsuo InagakiKenji TakedaShigeki IwanamiHideaki SasayaEiichi Nagasaku
    • F04C18/344F04C18/00
    • F04C18/3441F04C2250/301
    • A multiple-vane rotary compressor having a cylinder bore profile especially designed to reduce the fluctuation in the overall drive torque applied to the rotor shaft. The cylinder bore profile is configured and designed so that the individual drive torque applied to an individual vane during the compression and delivery strokes varies along a drive torque-vane angle curve which approximates an isosceles triangle having a lower side corresponding to a range of angle of 180.degree.. The cylinder bore profile includes, for a profile section extending through an angle of 180.degree., a first region (i) in which the amount of vane projection is held substantially constant at a maximum value (D), a second region (ii) in which the amount of vane projection decreases at a higher rate, and a third region (iii) in which the amount of vane projection decreases to zero at a lower rate, the imaginary transitional point (A.sub.3) between the second and third regions being located at an angular position of 90.degree..
    • 一种具有气缸孔型材的多叶片式旋转压缩机,其特别设计用于减小施加到转子轴上的整体驱动转矩的波动。 气缸孔轮廓被构造和设计成使得在压缩和传送冲程期间施加到单个叶片的单个驱动扭矩沿着驱动扭矩 - 叶片角度曲线变化,该驱动扭矩 - 叶片角度曲线近似等腰三角形,其具有对应于 180度。 对于用于延伸180度角的轮廓部分,缸孔轮廓包括第一区域(i),其中叶片投影量基本上保持恒定在最大值(D),第二区域(ii) 其中叶片投影量以较高的速率降低;以及第三区域(iii),其中叶片投影量以较低的速率降低到零,第二和第三区域之间的假想过渡点(A3)位于 角度位置为90°。