Patent ID: 11970369
Assignee: OTIS ELEVATOR COMPANY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An elevator system comprising:
an elevator car configured to travel through an elevator shaft;
a first guide beam extending vertically through the elevator shaft, the first guide beam comprising a first surface and a second surface opposite the first surface;
a propulsion system configured to move the elevator car through the elevator shaft; and
a first on-board energy management system configured to power the propulsion system, the first on-board energy management system is attached to the propulsion system and configured to travel with the propulsion system;
a trailing cable configured to electrically connect to a power grid, wherein the power grid is configured to charge the first on-board energy management system through the trailing cable when the first on-board energy management system is within a station and traveling horizontally between a first vertical section of the elevator shaft and a second vertical section of the elevator shaft.