Adjustable multicar elevator system
US11279591B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2018 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Jan 21, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B2201/404
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A multicar elevator system includes a group of individually drivable elevator cars and two shafts coupled to each other with at least two transfer channels. The system further includes a control unit configured to operate the system in either of two operating modes, wherein in the first mode the group of elevator cars is arranged to travel to a first vertical direction in the first shaft and to another vertical direction in the second shaft through the transfer channels. In the second mode, a first sub-group of elevator cars are parked in one of the shafts and at least one elevator car belonging to a second sub-group of elevator cars is arranged to travel in the both vertical directions in the other shaft upon a call.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.