by A. Mutu, Y. Pang, J. van Vliet and G. Lodewijks This paper was presented at USA 2012, the International Congress on Vertical Transportation Technologies and first published in IAEE book Elevator Technology 19, edited by A. Lustig. It is a reprint with permission from the International Association of Elevator Engineers (website: www.elevcon.com). This paper…
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Occasionally, the question, “Can just a little water hurt an elevator rope?” is asked. The truth is that water ruins elevator ropes. Admittedly, there is no definitive hard and fast rule as to how long the process will take. But, rest assured the lifespan of any elevator rope – hoist, compensation or governor ropes –will…
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by Huang Shaolun, Luo Zhiqun, Dai Qingyou and Wan Jianru Balance coefficient is an important parameter for the design, implementation and inspection of traction elevators. It is traditionally illustrated by drawing “Load – Current” inspection data curves in sketch or polygon method, both of which inevitably cause inaccuracy in their numerical result. To solve this…
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Haughton Elevator Co. of Cleveland often provided customers with detailed parts and maintenance manuals. These manuals were typically elevator specific: the unique machine number was typed into a designated location on the front page of each. The contents matched the elevator type and were adjusted as needed to correspond to modifications made during the elevator’s…
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In September 2012, family-owned company Gustav Wolf Seil-und Drahtwerke GmbH & Co. KG (Gustav Wolf Rope and Wire Works GmbH & Co. KG) celebrated its 125th anniversary. More than 500 guests, including employees from all its worldwide locations and local business and political leaders, gathered at the event in Gütersloh, Germany. The history of the…
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by William Wing-hong Lam and Eric Wai-ming, Lee This paper was presented at USA 2012, the International Congress on Vertical Transportation Technologies and first published in IAEE book Elevator Technology 19, edited by A. Lustig. It is a reprint with permission from the International Association of Elevator Engineers (website: www.elevcon.com). This paper is an exact…
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In 2006, Theresa Muenkel Christy (TC), was the first woman to be named a fellow at Otis. She is a named inventor of 14 patents (with several others pending), and in 2011, she was finalist for the Connecticut Women of Innovation Award. Christy recently took the time to talk with ELEVATOR WORLD (EW) about her…
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Overview This article briefly illustrates the role of elevator dispatching within an elevator system. It then describes the difference between traditional elevator systems and the destination dispatching approach and explains that destination dispatching directs specific passengers into specific elevators. The article then explores the reasons that contiguous grouping, the grouping of passengers going to contiguous…
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Zhangjiagang, China, hosted more than 200 at the China Elevator Association (CEA) meeting on product-safety standards implementation. China Elevator Association (CEA) Design and Manufacture Committee Annual Meeting was held in Zhangjiagang, China, on November 9-12, 2012. More than 200 attended the event, which focused on discussing solutions to problems in the implementation of new standards…
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The continent showed signs of economic growth in 2012, and recovery is expected to continue throughout this year. Overview Africa is the second-largest continent, after Asia, and second-most-populous continent, with one billion people. The region covers an average total surface area of 30.2 million km2, 6% of that of the world. The economies of the…
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