Focus Topics
Wind Turbine Tower Elevators, Part I
Confusion over wind turbine tower conveyance code jurisdiction is explored in this first article in a series on the topic. The elevators currently installed in wind turbine towers do not...
More Responsibility for Passenger Safety: A Forum on Elevator Drive Safety
In November 2011, experts from the Chinese elevator industry attended a seminar hosted by Torin Drive, a provider of elevator traction machines. On November 7, 2011, around 70 experts from...
Lockout/Tagout Can Be Required More Than You Think
A look at a fundamental safety rule service mechanics must consider when working on elevator equipment: the control of hazardous energy, more commonly known as lockout/tagout procedures. Given that this...
Steam-Powered Elevator Engines
Examining early steam-powered engines and their evolution There is, perhaps, nothing as antithetical to our conception of the modern electric elevator engine as the 19th-century steam engine. Our mind’s eye...
KEB dV/dt Elevator Chokes: Protect your Elevator Motor Investment
This article provides an explanation of the effects of high dV/dt created by variable-frequency drives and offers solutions to protect elevator motors. submitted by KEB America, Inc. During the past...
Submersible Electric Motors for Hydraulic Lifts
Choosing the appropriate motor for an elevator can allow more efficient energy use. by Ivo Busi and Fabio Calegari In recent years, the hydraulic lift, as an alternative to the...
MDS1 Automatic Modular Lift Door for Residential Applications
Overview of Wittur’s recently introduced Modular Door System 1, an automatic door for new lift installations in residential buildings submitted by The Wittur Group The Wittur Group recently introduced its...
Obstruction Detectors – A Historical Review
A review of door sensors from the 1950s to the present A major issue with automatically powered elevator doors is the risk of passenger injury from door impacts. Elevator companies...
Elevator Door Protection from TL Jones
This article looks at the history, growth and future of TL Jones’ Microscan technology. Having a long history in the elevator industry has helped TL Jones become a recognizable worldwide...
SEES Light Screen and Resistor
An overview of SEES’ new universal light screen/door protector Southern Elevator & Electric Supply (SEES) now offers a universal light screen/door protector, which works for almost all applications. The design...
