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Operating unit of elevator at the time of power interruption

  • US 20060231348A1
  • Filed: 06/24/2004
  • Published: 10/19/2006
  • Est. Priority Date: 06/24/2004
  • Status: Active Grant
First Claim
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1. An emergency power operation apparatus of an elevator in which multiple cars are operated one by one during a power failure by use of an emergency power source, characterized in that the emergency power operation apparatus of an elevator comprises group-management controlling means which causes machines not in firefighter operation to preferentially return to an evacuation floor or a rescue floor when a power failure occurs during firefighter operations during a fire and then makes machines in firefighter operation operational.

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