Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Reexamination Certificate
2011-01-10
2011-12-27
Salata, Anthony (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes control for power source of drive-means
C187S391000
Reexamination Certificate
active
08083033
ABSTRACT:
An elevator system and a method are provided for controlling an elevator group. The elevator system includes an elevator group, which includes at least two elevator cars, which elevator cars are fitted to be moved in the elevator hoistway according to the calls allocated by the control of the elevator group. The elevator system includes a power supply arrangement, for adjusting the power needed to move the elevator cars. An energy storage is connected to the power supply arrangement. The energy storage is fitted in the first operating situation to yield energy for use in moving the elevator car, and in the second operating situation to receive energy released by movement of the elevator car. The elevator system includes a determination of the charging status of the energy storage, and the control of the elevator group is fitted to determine the change in energy that would be caused by the movement according to an allocated call of the elevator cars belonging to the elevator group. The control of the elevator group is fitted to allocate a call by favoring in the allocation an elevator car, the determined change in energy caused by the movement of which best meets the allocation criterion.
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Haipus Ilpo
Kallioniemi Antti
Birch & Stewart Kolasch & Birch, LLP
Kone Corporation
Salata Anthony
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