System for providing DC power to elevator car

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9150385
APP PUB NO 20120217099A1
SERIAL NO

13503921

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to an elevator door controller system for operating doors of an elevator car. The system includes a travelling cable for delivering DC power to the car. The car includes a power storage device for storing DC power from the travelling cable, a DC motor for operating the car doors, and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06032

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gewinner, Juergen Berlin, DE 7 40
Seelmann, Stefan Lothar Berlin, DE 1 2

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