发明名称 Electrical elevator rescue system
摘要 Elevator (2) comprising a car (4), a counterweight (6), a hoisting rope (8) for suspending the car (4) and the counterweight (6), a drive motor (10), a motor drive unit (26) for supplying the power to the drive motor (10), and a brake (18) for stopping the movement of the car (4) in an emergency situation, the elevator (2) further comprising an elevator rescue system (40), comprising an emergency power supply (42), an emergency brake switch (44) for connecting and disconnecting the power of the emergency power supply (42) to the brake (18), and an emergency drive switch (46) for connecting and disconnecting the power of the emergency power supply (42) to the drive motor (10), characterised in that the elevator rescue system (40) further comprises the motor drive unit (26) and a power line (74) connecting the emergency power supply (42) with the motor drive unit (26) and including the emergency drive switch (46).
申请公布号 US7549515(B2) 申请公布日期 2009.06.23
申请号 US20030575024 申请日期 2003.10.07
申请人 OTIS ELEVATOR COMPANY 发明人 TEGTMEIER DIRK HEINRICH;WITTJEN KRISTIAN BERNHARD
分类号 B66B1/32;B66B5/02 主分类号 B66B1/32
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