| 摘要 |
An elevator in which an elevator-car and a counter weight are hung like a draw well. The elevator includes a receiving unit for receiving an electric power from a feeding unit provided in a hoistway, an inverter for converting the received electric power into ac power, a motor connected to an ac side of the inverter, for driving the counter weight in up and down directions, a sensor for detecting a position of a receiving unit, and a control unit for controlling an inverter on the basis of the position detected by the position sensor. The counter weight has the receiving means, the inverter, and the motor.
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