Its ideal for buildings with total floor travel up to 300 feet. Elevator cars are pulled up by means of rolling steel ropes over a deeply grooved pulley, commonly called a sheave in the industry. Imperial electric provides gearless ac machines in seven frame sizes serving car capacity ranges. Mar 10, 2014 otis dc gearless 800 fpm express elevator with pie plate selector duration. The gen2 elevator uses a screen of infrared beams to reopen the doors immediately when an object breaks the invisible plane. Schindler gearless machines save energy, space and time. Gearless traction elevators hospital elevators schumacher. Learn about schindlers 3300 mrl elevator for low to midrise buildings. Sqml 100 gearless lift machine provides high torque with its unrivaled small body. This is the reason why the entire world is going ahead with gearless technology.
The motor is designed for 230% of rated current at 70% rated speed, frequently repeated. Top 10 benefits of gearless motors in hvls fans macroair. The weight of the car is balanced by a counterweight since 1900. We have developed this technology for a home elevator application without the need for a machine room. Sometimes two elevators are built so that their cars always move synchronously in opposite directions, and are each others counterweight. Pdf comparative design of direct drive pm synchronous. Tactile letters and characters are adopted for the eleator operating buttons hey are raised. Main guide rails will be installed on both sides of the elevator car with an additional set of counterweight rails being mounted either in the side or rear of the hoistway. Residential elevators luxury lift traction home elevator llt950 variablespeed machine roomless uses the same technology as 10 50 story commercial buildings that have been in use for over 100 years. Operation with large cabs and high capacity jobs of 950 lbs. Traction elevator controllers virginia controls elevator. Also, the load stress of our conventional elevator with a machine. How to use the specifications manual, cdrom, and mce services.
Altra industrial motion 300 granite street, suite 201 braintree, ma 02184 phone. It was introduced in 1996 along with the kone monospace elevators, the first machine room less elevator system in the world. Description voltage hp rpm frame 6952c25h01 h motor type e pwr unit 208. The ecodisc initially called greenstar is a gearless hoisting machine for traction elevators made by kone. Schumacher gearless traction elevators are designed for mid to highrise buildings having up to 2,000 feet of rise. The ecodisc has becoming a flagship range of products of the company. With the recent increase of higher buildings in countries around the world, however, there is an increasing demand for a more highspeed and highcapacity elevator. The otis gen2 gearless machineroomless elevator sets the benchmark for elevator design, performance and energy efficiency. Otis dc gearless 800 fpm express elevator with pie plate selector duration. With their innovative design, the sill between the landing. The idea of ecodisc occurred in the early 1990s when harri hakala, an. But, each download westinghouse gearless elevator machines manual of a demands.
The gen2 elevators locking system prevents the doors from being opened from inside the cab if it stops between floors, another key safety feature. Finish your savaria home elevator exactly how you want it, whether you order a custom. Instead, an efficient gearless permanent magnet motor smoothly and silently moves the elevator. This application utilizes a drive sheave, motor, counterweight, and ropes which are the same components used by the geared traction elevator. Finish the doors in a choice of powder coated paint, or upgrade. Sqml 200 gearless elevator motor is with 2,5 ms speed. Make a difference with sqml gearless elevator machine. Savarias gearless traction system operates with extremely low noise levels. Westinghouse gearless elevator machines manual mafiadoc. Jul 31, 2014 gearless is better and much more popular. Traction machine room less mrl canton elevators traction mrl application replaces traditional hydraulic equipment with a gearless machine, ropes and counterweights. Schindler 3300 low to midrise machine room less mrl. In gearless traction elevators, speeds can be selected as up to 2. Your authors have seen many motors in the shop from the early part of the 1900s and returned them back into service, never to hear from them again.
Product manuals torin drive international lead the world. With the introduction of gearless ac machines to complement industryleading, gearless dc machines. The schindler 3300 xl is a proven product expanded to better serve the low and midrise commercial, hospital and service applications building markets with larger car, entrance and deco options. Schindler 3300 xl low to midrise machine room less mrl elevator. Gearless traction elevator gearless traction lift latest. When viewed online as a pdf file, hyperlinks in the contents link to the associated topic in the body of the manual. We recommend a duty cycle of 25% for a full load of 950 lbs.
Based on the technology used in highrise commercial elevators, this drive system utilizes a permanentmagnent gearless motor resulting in an extremely smooth ride quality while operating at. The latest human engineering technologies are reected on. Elevator traction motor, traction electric motor, gearless. Dual traction, heavy gauge ropes and high density rubber guide rollers make for the ultimate smooth ride including a soft start and stop. Imperial electric elevator traction machines brochure. Dover 40hp gearless elevator machine with a bad spot on the commutator duration. The gearless traction electric elevator could be employed in buildings of any height and operated at much higher speeds than steampowered elevators. Moreover, hosting ropes are connected to the top of the elevator cabin and surrounded around the drive sheave for motion. Gearless frequency controlled drive available in select markets at this time. Savaria gearless elevator when you choose the savaria gearless elevator, you appreciate the best.
The motor field can be forced for acceleration or deceleration. Imperial dc gearless elevator motors imperials gearless machine consists of a slow speed dc motor, brake, sheave, and pedestal bearings mounted on a fabricated base. Gearless traction machine with pm motor traction machine with pm motor pm motor. Gearless machine rexia elevator pmgl conventional elevator acgd energyef. Hence while drawing a comp arison between geared drive and gearless drives we get clear cut saving of 82 unit s 42. Preengineered models are available in capacities up to 4,500 lbs with both front and rear opening models and speeds up to 500 fpm. The revolutionary gen2 elevator is transforming the industry we created more than 160 years ago. Elevators are protected by a several types of door reopening.
The door is an elevators most important safety feature. Imperial dc gearless elevator motors basic diameter wk. Comparative design of direct drive pm synchronous motors in gearless elevator systems conference paper pdf available october 20 with 367 reads how we measure reads. Permanent magnet motor our longterm commitment to developing energyefficient elevators has created systems and functions that make intelligent use of power. Pdf interior permanent magnet synchronous motors ipmsm have been commonly used to meet challenging demands of high performance. The gearless motor system has fewer mechanical parts, which leads to less friction and noise. When you choose the savaria gearless, you appreciate the best. Eclipse gearless owners manual 000846 02m012014 next. Gearless motor hvls fans are the cooling solution that move more air, are quieter and offer the greatest energy savings. Whisper quiet the gearless traction system by savaria features a gearless electric motor that operates with very low noise levels. Gearless motor compact design for both roomed and roomless applications of elevator systems. Traction elevators are the most common type of elevators.
Whether you are riding the elevator, or in an adjacent room, the overall operation is whisper quiet. Sqml 100 gearless elevator motor makes difference by your. Maximum travelling comfort and minimum noise level in the cabin. Schumacher gearless traction elevators are available in custom sizes or various preengineered models with various capacities. Gearlessfrequency controlled drive available in select markets at this time.
The good, the bad and the truth about dc gearless machines dc gearless machines can run for, literally, 100 years. Quiet operation, heavy duty construction, and extreme reliability have confirmed the imperial electric gearless dc machines to be a favorite in the industry. Schindler 3300 low to midrise machine room less mrl elevator. With the introduction of gearless ac machines to complement industryleading, gearless dc machines, imperial electric boasts the most comprehensive gearless machine line in the elevator industry. Miniac gearless motor is mounted in machine room above elevator hoistway our. For example, a 40foot travel elevator should take 1 minute for. Gearless traction elevators schumacher elevator company. Traction elevators may be geared or gear less based on building height, speed requirements, and cost considerations. Also, the devices and functional systems for the creation of comfort for the elevator passengers are euipped in the elevator. Best suited for mid to high rise buildings speeds 200 fpm 800 fpm new construction and modernization advantages permanent magnet ac motor nonproprietary. The old geared motor is bigger and energyintensive because it has a reduction box. The gen2 family of elevators blends convenience, style and performance to deliver a new passenger experience that adds value to any residential, commercial, hospitality, medical or industrial building. Whether you are riding the elevator, or in an adjacent room, the.
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