Electrical power transmission to elevator system cars
AssigneeOtis Elevator Company
InventorsEnrico Manes, Atsushi Yamada, Suman Dwari, Craig Drew Bogli, Stephen Savulak, Ronnie E. Thebeau, Michael Garfinkel
Life of this patent
Estimating the term…
Abstract
An elevator system includes a hoistway, an elevator car movable along the hoistway, and a power management and transfer system. The power management and transfer system includes an electrical power source, a hoistway contactor secured in the hoistway and operably connected to the electrical power source, and a car contactor disposed at the elevator car, such that when the car contactor is brought into operable contact with the hoistway contactor, electrical power is transferrable between the power source and the elevator car.
Claims20
An elevator system, comprising:
- a hoistway;
- an elevator car movable along the hoistway;
- and
- a power management and transfer system including:
- an electrical power source;
- a hoistway contactor secured in the hoistway and operably connected to the electrical power source;
- and
- a car contactor disposed at the elevator car, such that when the car contactor is brought into operable contact with the hoistway contactor, electrical power is transferrable between the power source and the elevator car.
A method of operating an elevator system, comprising:
- moving an elevator car along a hoistway of an elevator system;
- operably connecting a hoistway contactor disposed at the hoistway to a car contactor disposed at the elevator car;
- and
- transferring electrical power between a power source and the elevator car via the operable connection of the hoistway contactor an the car contactor.
Dependencies are inferred from the claim text.