Active braking for immediate stops

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11866295
SERIAL NO

16105581

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Importance

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Abstract

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An elevator system control system is provided and includes a sensor system configured to sense elevator car conditions, a safety system signaling element to generate a safety signal indicative of an incident and a control system configured to react to the safety system signal. When the control system receives the safety signal indicating that an incident has occurred that requires engagement of at least one of primary and secondary brakes, the control system controls a deceleration rate during the incident by operating the primary brake, determining whether the deceleration rate is within a target range and adjusting the deceleration rate based on signals from the sensor system.

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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
Ginsberg, David Granby, US 49 572
Krishnamurthy, Shashank Glastonbury, US 30 175
Marvin, Daryl J Farmington, US 73 601
Nagarajan, Prasanna Farmington, US 15 19
Thebeau, Ronnie E Haddam, US 26 153

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