Elevator system including monitoring arrangement to activate multiple emergency braking procedures associated with different decelerations and method of operating the same
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United States of America Patent
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Oct 3, 2017
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N/A
app pub date -
Jun 13, 2014
filing date -
Jan 18, 2010
priority date (Note) -
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Abstract
The invention relates to an elevator system and also to a method for monitoring the movement an elevator car. In the method a first emergency braking procedure is activated for braking the elevator car at a first deceleration if the speed of the elevator car exceeds the first limit value for permitted speed, and also a second emergency braking procedure is further activated for braking the elevator car at a second deceleration that is greater than the first, if the speed of the elevator car exceeds the second limit value for permitted speed that is greater than the first limit value for permitted speed.
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