REDUCING OVER-TRACTION IN AN ELEVATOR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 24, 2014
app pub date -
Sep 27, 2012
filing date -
Sep 30, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully