Vibration damper for elevator linear propulsion system
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 12, 2017
app pub date -
Jul 11, 2016
filing date -
Jul 9, 2015
priority date (Note) -
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Abstract
An elevator system may include a stationary support structure defining a hoistway; a car disposed in the hoistway; a linear propulsion assembly for applying a force to the car, the assembly including a first rail engaged to one of the support structure and the car, a plurality of magnets mounted to the first rail, a second rail co-extending with and spaced laterally from the first rail and engaged to the other of the support structure and the car, and a plurality of electric coils mounted to the second rail; and, a damper engaged to at least one of the first and second rails for dissipating vibration.
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