Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1983-03-21
1985-01-08
Shoop, William M.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
B66B 118
Patent
active
044922884
ABSTRACT:
By means of the group control the average time losses for the passengers resulting from the waiting time at the floors and the return travel time are minimized. Therefore, the number of entering stops causing a minimum of time losses is determined per elevator car on the basis of calculations. The number of entering stops is stored in monitoring or control counters by means of which the allocation of down hall calls is limited to the number stored for each car. The down hall calls are combined by means of a switching circuit to form groups of chronologically inputted or incoming hall calls of a volume corresponding to the number of hall calls respectively stored in the monitoring or control counter. In the case of an increase in the hall calls, the earliest group of hall calls is first increased and the latest group of hall calls last. The increase of numbers in the group occurs by transfer of a hall call from the next later group of hall calls and the latest hall call is allocated to the latest group of hall calls. Thus, groups of hall calls are formed, each of which have the same size until the control counting state or level of the monitoring or control counter is reached. The groups of hall calls are allocated to the different cars such that the average time losses of the passengers become a minimum.
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Inventio AG
Ip Paul Shik Luen
Kleeman Werner W.
Shoop William M.
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