| 摘要 |
A weight compensation system and a method of operating the system for compensating eccentric loading of an elevator car vertically movable in an elevator shaft. The elevator car has spring-mounted rollers engaging guide rails and the system includes sensors detecting a position of the elevator car relative to the guide rails. A control unit is connected to the sensors and a hydraulic compensating system for controlling movement of liquid to compensate for the eccentric loading of the elevator car.
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