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Submersible-Electric-Motors-for-Hydraulic-Lifts

Submersible Electric Motors for Hydraulic Lifts

By Ivo Busi and Fabio Calegari | March 1, 2012

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 electric traction lift, has become one of the simplest and most common elevator applications in use. Its operational principle is based on a piston driven…

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Fire-Alarm-Systems-and-Elevator-Interaction

Fire Alarm Systems and Elevator Interaction

By David Herres | March 1, 2012

A look at how fire alarm, sprinkler and elevator controls work together in accordance with present-day fire and electrical code mandates Elevator technology has advanced over the years in the direction of greater performance and safety. Early versions were basically rope-and-basket affairs, with a loss of mechanical integrity likely resulting in user fatality. A great…

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Building Technology: Intelligent Building Management Systems

By Elevator World | March 1, 2012

A look at the advantages of placing intelligent building-management systems in control of car operations A Return to the Past One hundred years ago, the supervisors and attendants of elevator groups in the first tall buildings were well aware of the activities in these buildings. During periods of heavy traffic, they coordinated car operations to…

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Abolishing-Pit-and-Head-room-Its-Possible-Now-More-than-Ever-Before

Abolishing Pit and Head-room: It’s Possible Now More than Ever Before

By Elevator World | February 1, 2012

A patent-pending solution for an eleva-tor with a reduced pit depth and over-head, which increases safety by creating a temporary refuge space to prevent crushing, is presented. This article presents the reader with a patent-pending solution for an elevator with a reduced pit depth and reduced overhead, which increases elevator safety by creating a temporary…

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Maintenance-Support-Tools-for-Elevator-Equipments-that-use-Cellular-Phones

Maintenance Support Tools for Elevator Equipments that use Cellular Phones

By Elevator World | November 1, 2011

This paper was presented at Lucerne 2010, the ­International Congress on Vertical Transportation ­Technologies and first published in IAEE book Elevator Technology 18, 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 reprint and has not been edited by ELEVATOR…

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Improving-the-Efficiency-of-Hydraulic-Elevators-Figure-1

Improving the Efficiency of Hydraulic Elevators

By Elevator World | September 1, 2011

How Schumacher Elevator Co. utilizes Bucher Hydraulics, Inc. technology to improve hydraulic elevator efficiency. Denver, Iowa-based Schumacher Elevator Co. has been family owned and operated for 75 years. Marvin Schumacher and his team utilize the latest technology offered by Bucher Hydraulics, Inc. to improve the efficiency of their line of hydraulic elevators. Like other independent…

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Induction-Loops-That-Only

Induction Loops That Only Mimic the Performance of a Hearing Aid are Never Inexpensive, but Always a Waste of Money

By Elevator World | August 1, 2011

In a rush to satisfy the latest amendment to the EN 81-70 standard on lift accessibility, the industry is purchasing induction loops based on price and ease of installation without regard to user benefit. How many times have you been at a train station and heard unclear static messages over the public ad-dress (PA) system?…

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Sensitivity-Analysis-of-Lift-Car-Installation-Design-Variables-to-Guide-Shoes-Wear

Sensitivity Analysis of Lift Car Installation Design Variables to Guide Shoes Wear

By Elevator World | August 1, 2011

A numerical sensitivity analysis of how several design variables of a lift-car installation determine the wear of guide shoes is presented. F. J. Martínez1, R. Monge1, M. A. Martínez2, J. A. Roig3, A. Gómez1 and M. A. Jiménez11Instituto Tecnológico de Aragón, Research, Development and Technological Services Area, Zaragoza, Spain2University of Zaragoza, Spain3MP Lifts, Spain This…

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Thin-Elevator-Ropes-on-Small-Sheaves

Thin Elevator Ropes on Small Sheaves

By Elevator World | July 1, 2011

This article evaluates the correlation between the ratio of sheave diameter to nominal rope diameter and rope service life. In recent years, a movement has gained ground in the elevator industry toward the introduction of more compact and smaller designs. Efforts to cut energy consumption and costs have driven down the size of individual components.…

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Monitoring-Elevator-Energy-Usage-in-Real-Time

Monitoring Elevator Energy Usage in Real-Time

By Rich Madarasz, Jimmie Anicich, Rob Vandling and Kathy Mutch | June 1, 2011

Arizona State University’s research and education center provides a solution for determining the energy efficiency of elevators. by Rich Madarasz, Jimmie Anicich, Rob Vandling and Kathy Mutch Arizona State University (ASU) is itself a city of 82,000 students, fac-ulty and staff. ASU’s Global Institute of Sustainability (GIOS) is a leading research and education center for…

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