Motion feedback in an elevator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11584617
APP PUB NO 20180312370A1
SERIAL NO

16029298

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Importance

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Abstract

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An elevator drive apparatus is described which includes a drive unit for driving an elevator car, a brake device for braking a motion of the elevator car, a detector for detecting an electrical operation amount of the drive unit, and a controller. The controller is configured to release the brake device, to compare the detected electrical operation amount with a threshold, and to apply the brake device when the detected electrical operation amount exceeds the threshold. In this way, it is ensured that a speed of the elevator car in case of a rescue situation is within a safety limit.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KONE CORPORATION00330 HELSINKI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burakov, Andrej Helsinki, FI 5 4
Saarelainen, Antti Helsinki, FI 23 94

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