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Elevator car power supply

  • US 10,189,679 B2
  • Filed: 08/24/2016
  • Issued: 01/29/2019
  • Est. Priority Date: 08/25/2015
  • Status: Active Grant
First Claim
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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.

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