Patent · US Active

Method for operating a lift system, and lift system

US11084687B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 2016
Grant dateAug 10, 2021
Priority date
Expiry dateJul 7, 2038

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B2201/224
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A method for operating an elevator system having a shaft system and elevator cars that are moved separately between floors in a circulation operation may involve moving the elevator cars upward in a first shaft and moving the elevator cars downward in a second shaft. A number of shaft positions that can be respectively adopted by the elevator cars and that correspond to the number of elevator cars is defined, and synchronization of movement of the elevator cars may be carried out with respect to these defined shaft positions. Further, each of the elevator cars may be moved according to a travel curve. To synchronize the movement of the elevator cars the travel curve for each elevator car may be adapted to account for positions of the elevator cars in the same shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.