Double-decker elevators
Double-decker elevators
Double-decker elevators are traction elevators with cars that have an upper and lower deck. Both decks can be serving a floor at the same time, and both decks are usually driven by the same motor.This system increases efficiency in high rise buildings and saves space so that additional shafts and cars do not need to be added.
In 2003, ThyssenKrupp invented a system called TWIN, in which two elevator cars are independently running in one shaft.
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