ELEVATOR CAR POWER SUPPLY
First Claim
1. A ropeless elevator system, comprising:
- a vertically extending first lane;
a vertically extending second lane;
a transfer station extending between and in communication with the first and second lanes;
a first elevator car disposed in and arranged to move through the transfer station and the first and second lanes;
a propulsion system for propelling the first elevator car through at least the first and second lanes;
a first DC energy storage device carried by the first elevator car and configured to provide supplemental power to the elevator car during normal operation; and
a wireless power transfer system configured to periodically charge the first DC energy storage device.
1 Assignment
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Accused Products
Abstract
A ropeless elevator system includes a vertically extending first lane, a vertically extending second lane, and a transfer station extending between and in communication with the first and second lanes. An elevator car is disposed in and is constructed and arranged to move through the transfer station and the first and second lanes. A propulsion system of the elevator system propels the elevator car through at least the first and second lanes and carries a supplemental DC energy storage device for providing supplemental energy to the elevator car during normal operation. A wireless power transfer system of the elevator system is configured to periodically charge the DC energy storage device.
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Citations
16 Claims
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1. A ropeless elevator system, comprising:
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a vertically extending first lane; a vertically extending second lane; a transfer station extending between and in communication with the first and second lanes; a first elevator car disposed in and arranged to move through the transfer station and the first and second lanes; a propulsion system for propelling the first elevator car through at least the first and second lanes; a first DC energy storage device carried by the first elevator car and configured to provide supplemental power to the elevator car during normal operation; and a wireless power transfer system configured to periodically charge the first DC energy storage device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of maintaining a DC energy storage device of an elevator car comprising:
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periodically charging the DC energy storage device via a wireless power transfer system when the elevator car is in normal use; and charging the DC energy storage device via a conductor and power source when the elevator car is not in normal use. - View Dependent Claims (14, 15, 16)
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Specification