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    • 2. 发明授权
    • Brake booster for an automotive vehicle
    • 用于汽车的制动助力器
    • US4484509A
    • 1984-11-27
    • US61113
    • 1979-07-26
    • Juan BelartFranz Wienecke
    • Juan BelartFranz Wienecke
    • B60T13/56B60T13/563B60T13/567F15B9/10
    • B60T13/567B60T13/563
    • In vacuum brake boosters for motor vehicles, the vacuum casing is conventionally made of sheet steel. The vacuum casing is subjected to mechanical and pneumatic forces which have to be absorbed by the casing components. This makes it necessary to construct the casing components so they are strong enough to take these forces. The result of such construction is, however, high costs and high weight. To eliminate these disadvantages, the invention provides a brake booster wherein the vacuum casing includes a pipe therein extending in approximately coaxial of the longitudinal axis of the vacuum casing and connected to the transverse end walls of the vacuum casing, the pipe enclosing the master cylinder push rod, and the movable wall of the brake booster is sealed relative to the pipe and slidable thereon.
    • 在用于机动车辆的真空制动助力器中,真空壳体通常由钢板制成。 真空壳体承受必须被套管部件吸收的机械和气动力。 这使得需要构造套管部件,使其足够坚固以承受这些力。 然而,这种结构的结果是高成本和高重量。 为了消除这些缺点,本发明提供了一种制动助力器,其中真空壳体包括一个管道,该管道与真空壳体的纵向轴线大致同轴地延伸并且连接到真空壳体的横向端壁,管子包围主缸推动 杆,并且制动助力器的可动壁相对于管子被密封并在其上可滑动。