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Invention Grant
US08439167B2 Spacing control for two elevator cars in a common shaft 失效
两台电梯轿厢在公共轴上的间距控制

Spacing control for two elevator cars in a common shaft
Abstract:
Lift system (10) with a lower lift cage (K1), an upper lift cage (K2), at least one counterweight (12), and support means (TA, TB) for supporting the lower and upper lift cages (K1, K2). The support means (TB) for supporting the lower lift cage (K1) are led downwardly in the lift shaft (11) laterally along the upper lift cage (K2). Drive means for driving the lower and upper lift cages (K1, K2) are present. Arranged at the upper lift cage (K2) is a first incremental transmitter (I1) which interacts with one of the support means (TB) and supplies information about a change in the spacing (D) between the lower and upper lift cages (K1, K2).
Abstract(Chinese):

具有下升降笼（K1），上提升架（K2），至少一个配重（12）和支撑装置（TA，TB）的升降系统（10），用于支撑下升降架（K1，K2） ）。 用于支撑下提升架（K1）的支撑装置（TB）沿着上提升架（K2）在提升轴（11）中向下引导。 存在用于驱动下部和上部电梯笼（K1，K2）的驱动装置。 在上部提升架（K2）上布置的是第一增量发射器（I1），其与支撑装置（TB）中的一个相互作用，并提供关于下部和上部提升笼（K1， K2）。

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