REDUCING OVER-TRACTION IN AN ELEVATOR

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United States of America Patent

APP PUB NO 20140202797A1
SERIAL NO

13959174

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An elevator installation has a car, a counterweight, a traction device interconnecting the car and the counterweight, a motor and a traction sheave engaging the traction device. The elevator installation is monitored for over-traction and an air cushion is created between the traction sheave and the traction device when over-traction is detected.

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Patent Owner(s)

Patent OwnerAddress
INVENTIO AGSWISS HELGE SITWELL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lenk, Roman Hagendorn, CH 2 2

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