Your authors examine the Kenya and U.S. VT landscapes, and make the case for a uniform global standard. by John Antona and Shem Oirere, EW Correspondent In spite of there being few elevator accidents reported in Kenya, the country could be on the verge of gazetting new country-specific safety standards on the installation, operation, inspection,…
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Kentucky’s DC Elevator helps young man realize his dream. This summer, we had the opportunity to spend time with a young man who has a unique hobby. Isaac Powers is a typical eight-year-old boy who likes chicken fingers, playing with his sister and going to the zoo with his parents. However, there’s one thing that…
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Two inventors competed to produce a precursor of today’s linear elevator concept at the end of the 19th century. In the closing decade of the 19th century, two American engineers independently explored using electromagnets as a means of powering elevators. These efforts, when considered in the context of the development of the linear- induction motor,…
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Artist describes his commissioned work in elevators in a 16th-century Swiss structure and 14th- century German castle, both now homes. Europe has an abundance of historical sites and castles, some dating back before medieval times. Once trading houses, seats of clerical authority and homes of reigning sovereigns, many of these structures have been altered over…
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Great music, food and friendship distinguish 10th annual event. The 10th Annual Toronto Harbour Boat Cruise set sail on August 16 with a boatload of more than 100 industry mates. While the forecast called for rain and thunderstorms, it was only wet in the water, and only the boom of laughter could be heard. Guests…
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Separately exploring use of a six-phase inductive motor and six-phase matrix converter in effort to boost reliability and efficiency of elevator drives by Davoud Karbalaei, Amir Bahram Daraei and Hossein Bakhtiari This article investigates the performance of multiphase motors for use as drives for traction elevators and shows their advantages when compared against three-phase motors.…
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An overview of the advancements in elevator technology and North American codes targeting harsh weather and natural disasters Anearlierversionofthis article appeared in BUILDINGS. As the world’s population migrates to urban centers, mobility is integral to the efficient operation of these densely populated areas. People, materials and products not only need to get from one part…
Read More In this Readers Platform, an Otis executive describes how the company is integrating proprietary apps to promote mechanic safety. At Otis, safety has always been at the heart of who we are. Although the elevator has been around for centuries, it only became a safe, reliable means of transportation in 1852 — the year Elisha…
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In this Industry Dialogue, ATIS Field Operations Director Charlie Slater discusses the state of the elevator-inspection industry.
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This paper was presented at Berlin 2018, the International Congress on Vertical Transportation Technologies, and first published in IAEE book Elevator Technology 22, edited by A. Lustig. It is a reprint with permission from the International Association of Elevator Engineers (www.elevcon.com). Standards evolve all the time: for example, there are major differences between the first…
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