Apparatus and method of determining overspeed of an elevator car

An apparatus and method for determining the speed of an elevator car. A radar speed sensor (30) is provided determining the velocity of an elevator car (2). The speed sensor produces a signal which is processed by a processor (52) and compared to a threshold speed value by speed detection module (70...

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Bibliographic Details
Main Authors SKALSKI CLEMENT ALEXANDER, VECCHIOTTI ALBERTO
Format Patent
LanguageEnglish
Published 03.07.2001
Edition7
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:An apparatus and method for determining the speed of an elevator car. A radar speed sensor (30) is provided determining the velocity of an elevator car (2). The speed sensor produces a signal which is processed by a processor (52) and compared to a threshold speed value by speed detection module (70). The speed detection module produces an overspeed signal (72) triggering the operation of actuator (34) and safety brake (26).
Bibliography:Application Number: US19980218694