ELEVATOR EQUIPMENT
An elevator system wherein an elevator car (4) and a counterweight (3) travel through the hoistway (1) in the directions opposite to each other comprises a hoisting device (10) around which a main rope (9) is passed and which drives the elevator car (4) and the counterweight (3). The hoisting device...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An elevator system wherein an elevator car (4) and a counterweight (3) travel through the hoistway (1) in the directions opposite to each other comprises a hoisting device (10) around which a main rope (9) is passed and which drives the elevator car (4) and the counterweight (3). The hoisting device (10) has at least two hoisting machines (11) which comprise a drive sheave (12) around which the main rope (9) is passed and an electric motor (13) to drive the drive sheave (12) to rotate; and at least one of the hoisting machines (11) is mounted on the counterweight (3). Furthermore, both of the hoisting machines (11) used for hoisting device (10) are mounted on the counterweight (3), or, in other cases, at least one of the other hoisting machines (11) of the hoisting device (10) is provided in an upper part of the hoistway. |
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