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    • 40. 发明专利
    • Negative pressure type doubler device
    • 负压型双重装置
    • JPS5758547A
    • 1982-04-08
    • JP13331780
    • 1980-09-25
    • Nissin Kogyo Kk
    • TAKEUCHI HIROOHACHIRO NOBUAKIMIYAZAKI YOSHIHISA
    • B60T13/56B60T13/567B60T13/569F16J1/02
    • B60T13/569B60T13/5675
    • PURPOSE: To eliminate interference of a booster piston with a tie rod connecting the front and back walls of a shell by placing the booster piston in correct circumferential location with respect to the booster shell with a piston diaphragm interposed.
      CONSTITUTION: A locational projection 3c is formed at a ring-shaped bead 3a in the outside circumferential part of a piston diaphragm 3, and a locational hole 1c is excavated in the outside circumference of a thin conical member 1R formed behind the shell 1. The projection 3c is fitted in the hole 1c to have the circumferential location of the diaphragm 3 with respect to the shell 1. A notch 65 is cut in the back side wall 61a of a ring-shaped groove 61 formed in the booster piston 2, and a channel-shaped locational projection 64 is formed upright at the internal circumferential ring-shaped bead 3b of the diaphragm 3 as in a single solid body. The projection 64 is placed in engagement with the notch 65 to have the circumferential location of the piston 2 with respect to the diaphragm 3. Thereby the booster piston 2 is located in the circumferential direction with respect to the shell 1 through the diaphragm 3.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过将增压活塞相对于增压器壳体放置在正确的周向位置,通过插入活塞隔膜来消除增压活塞与连接壳体前壁和后壁的拉杆的干扰。 构成:在活塞隔膜3的外周部的环状胎圈3a上形成有位置突起3c,并且在形成在壳1后面的薄锥形构件1R的外周挖出位置孔1c。 凸起3c安装在孔1c中以具有相对于外壳1的隔膜3的周向位置。在形成在增压活塞2中的环形槽61的后侧壁61a中切割有切口65,并且 如同在单个固体中一样,在隔膜3的内周环形凸缘3b处竖直地形成通道形状的位置突起64。 突出部64与切口65配合,使活塞2相对于隔膜3的周向位置。由此,增压活塞2通过隔膜3相对于壳体1位于圆周方向。