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US 10,294,074 B2Granted
Elevator recovery car
AssigneeOtis Elevator Company
InventorsMark Olthuis, Xiaodong Luo, Zbigniew Piech, Randall Roberts, Tadeusz Pawel Witczak
Life of this patent
Estimating the term…
Abstract
A method and system for managing an elevator system, includes providing a recovery car to travel in the hoistway via a motor, and engaging the car via an attachment device of the recovery car.
Claims19
A method to recover a car in a hoistway of an elevator system comprising:
- providing a recovery car to travel in the hoistway, the recovery car including:
- an attachment device, a recovery car controller integrated into and movable with the recovery car, and a motor operable to move the recovery car within the hoistway, wherein the motor of the recovery car is more powerful than a motor of the car,
- engaging the car via the attachment device of the recovery car;
- receiving service and diagnostic information from the car at the recovery car controller when the recovery car and the car are attached via the attachment device;
- and
- determining whether to repair the car or to tow the car in response to the service and diagnostic information.
3 more elements
A recovery car to recover a car in a hoistway of an elevator system, the recovery car comprising:
- a motor to transport the recovery car within the hoistway, wherein the motor of the recovery car is more powerful than a motor of the car;
- an attachment device to engage the car in the hoistway;
- a recovery car controller integrated into and movable with the recovery car, the recovery car controller receiving service and diagnostic information from the car when the recovery car and car are attached.
Dependencies are inferred from the claim text.