Safety brake configuration for elevator application

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11124386
APP PUB NO 20170057783A1
SERIAL NO

15244703

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Abstract

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An adjacent safety configuration for an elevator includes a second pair of safeties displaced from a first pair of safeties by at least 0.1 seconds of travel time at a rated speed of the elevator. An adjacent safety configuration for an elevator including a second pair of safeties displaced from the first pair of safeties to provide a predetermined time period before the second pair of safeties pass over a point on a guide rail previously passed over by the first pair of safeties to permit the guide rail surface to decrease by a predetermined temperature. A method of spacing an adjacent safety configuration for an elevator system including de-rating a pair of trailing safeties with respect to a pair of leading safeties as a function of a rated speed of the elevator and a spacing between the pair of trailing safeties and the pair of leading safeties.

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06034

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Draper, James M East Hartland, US 15 181
El-Wardany, Tahany Ibrahim Bloomfield, US 67 516
Fargo, Richard N Plainville, US 102 693
Liang, Duan Farmington, US 4 9
Liou, Joe J South Windsor, US 13 31
Luo, Xiaodong South Windsor, US 62 553

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