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    • 28. 发明公开
    • Double-acting hydraulic press
    • Doppeltwirkende,hydraulische Presse
    • EP1420169A2
    • 2004-05-19
    • EP03025768.7
    • 2003-11-11
    • KUBOTA IRON WORKS CO., LTD.
    • Yamanaka, Shigeaki, c/o Kabushiki Kaisha UKKazama, Takeshi, c/o Kabushiki Kaisha UK
    • F15B9/09B30B15/16
    • F15B11/0423B30B15/16F15B9/09F15B11/042F15B2211/20546F15B2211/30505F15B2211/30515F15B2211/30525F15B2211/3056F15B2211/3111F15B2211/327F15B2211/50581F15B2211/615F15B2211/6313F15B2211/6336F15B2211/6652F15B2211/7053F15B2211/7107F15B2211/7128F15B2211/75F15B2211/76
    • A double action oil hydraulic press is provided having a main cylinder (30) for actuating a slide (2) and a lower part forming cylinder (27) for actuating a lower part forming unit (12), wherein the operations of the cylinders are controlled through the combined control of the rotation of an oil hydraulic pump (52) of a power unit (31) and servo valves (34, 37) whereby the amount of operation oil that must be used is reduced. To this end, the press comprises a power unit (31) comprising a variable displacement oil hydraulic pump (52) adapted to be driven by an inverter motor (51); controllable servo valves (34, 37) provided in hydraulic circuits (33a, 33d) connecting the power unit (31) to the main cylinder (30) and to the lower part forming cylinder (27), respectively; servo controllers (41a, 41d) for controlling the servo valves (34, 37), respectively; cylinder pressure detecting sensors (39a, 39d) provided in the hydraulic circuits (33a, 33d), respectively; position detecting sensors (40a, 40b) for sensing positions of the slide (2) and the lower part forming unit (12), respectively; a control unit (32) for furnishing the inverter motor (51) of the power unit (31) and the servo controllers (41a, 41d) with control signals, respectively, and means whereby respective sensing signals of the cylinder pressure and position detecting sensors (39a, 39d, 40a, 40b) are fed back to the control unit (32).
    • 提供一种双作用油压机,其具有用于致动滑动件的主缸(30)和用于致动下部形成单元(12)的下部成形缸(27),其中缸的操作被控制 通过动力单元(31)的油压泵(52)和伺服阀(34,37)的旋转的组合控制,由此减少必须使用的操作油量。 为此,压力机包括动力单元(31),其包括适于由变频器马达(51)驱动的可变排量油压泵(52)。 分别设置在将功率单元(31)连接到主缸(30)和下部成形缸(27)的液压回路(33a,33d)中的可控伺服阀(34,37) 用于分别控制伺服阀(34,37)的伺服控制器(41a,41d) 分别设置在液压回路(33a,33d)中的缸压检测传感器(39a,39d) 位置检测传感器(40a,40b),分别用于检测滑块(2)和下部形成单元(12)的位置; 一个控制单元(32),用于分别提供具有控制信号的功率单元(31)的逆变器电动机(51)和伺服控制器(41a,41d)以及各自的气缸压力和位置检测传感器 (39a,39d,40a,40b)被反馈到控制单元(32)。
    • 30. 发明公开
    • Torque converter
    • 液力变矩器
    • EP0997666A3
    • 2001-09-05
    • EP99121403.2
    • 1999-10-27
    • KUBOTA IRON WORKS CO., LTD.FUJI JUKOGYO KABUSHIKI KAISHA
    • Yamanaka, ShigeakiKobayashi, Toshio
    • F16H41/28
    • F16H41/28B23P15/00Y10T29/4933Y10T29/49885
    • A torque converter comprises an impeller shell (2,102), a pump impeller (3,103) integrally formed with the impeller shell (2,102), a turbine runner (4),a stator (5), a front cover (6,106), and at least one of a flanged portion (7,107) through which a driving power of an engine is transmitted and a ring gear (10,110) for a starter. The flange portion (7,107) is formed to an outer peripheral portion of an outer hull constituting member including the impeller shell and the front cover. A pilot boss portion (32,132) disposed to an axial portion of the front cover and adapted to be fitted to a crank shaft of the engine, and an oil pump driving shaft (20,120) in shape of sleeve disposed to an axial portion of the impeller shell and adapted to drive an oil pump (21). The pilot boss portion (132) is formed integrally with the front cover through a plastic working and the flanged portion (107) is formed to a front portion of the outer periphery of the front cover is increased in thickness through a plastic working as a laminated thickness increased portion.
    • 本发明公开了一种变矩器,包括叶轮壳体(2,102),与叶轮壳体(2,102)一体成型的泵叶轮(3,103),涡轮转子(4),定子(5),前盖(6,106) 发动机的驱动力传递通过的凸缘部分(7,107)和用于起动机的环形齿轮(10,110)中的一个。 凸缘部分(7,107)形成于包括叶轮壳体和前盖的外壳构成部件的外周部分。 导向凸台部分(32,132)设置在前盖的轴向部分并适于装配到发动机的曲轴上;以及套筒形式的油泵驱动轴(20,120),设置在叶轮的轴向部分 外壳并适于驱动油泵(21)。 导向凸台部分132通过塑性加工与前盖一体形成,凸缘部分107形成在前盖外周的前部,通过作为层压件的塑性加工而增加了厚度 厚度增加部分。