Method and apparatus for controlling elevators with double cars

Details Method and apparatus for controlling elevators with double cars Method and apparatus for controlling elevators with double cars

B - Operations, Transporting

66

B

364/11

B66B 1/14 (2006.01)

Patent

CA 1243789

ABSTRACT OF THE DISCLOSURE With this installation it is intended to carry as many travellers as possible during one trip in the shortest possible time to the desired floors and to increase the ease of operation. For this purpose the cabin calls for certain floors are subject to a limitation (restriction) of operation, which however does not prevent the storage of these cabin calls. The cabin calls subject to the limitation (restriction) of operation are only responded during the trip in the opposite direction, inasmuch as a load has been detected by load measurement during the change in the direction of travel. The limitation (restriction) of operation is only cancelled during a certain time interval dependent on the movement of the door and simultaneous occurrence of a load change caused by added travellers. Assigned to the cabin call transmitters (9, 10) for the cabin calls subject to the limitation (restriction) of operation are in each case two storage cells (11.2, 11.3) where an entered call in case of cancelled limitation (restriction) of operation is stored in the first storage cell (11.2) and in case of active limitation (restriction) of operation is stored in the second storage cell (11.3), and where a call stored in the first storage cell (11.2) is transferred prior to the change of direction of travel to the travel control of the elevator and a call stored in the second storage cell (11.3) is only transferred after the change of direction of travel to the travel control of the elevator.

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