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Traction motors are used in electrically powered railway vehicles (electric multiple units) and other electric vehicles including electric milk floats, trolleybuses, elevators, roller coasters, and conveyor systems, as well as vehicles with electrical transmission systems (diesel–electric locomotives, electric hybrid vehicles), and battery ...
In 1999, grandsons, John L. Sprague and Peter Sprague cut the ribbon and started an 1884 Sprague motor at a new exhibit at the Shore Line Trolley Museum, where a permanent exhibit, "Frank J. Sprague: Inventor, Scientist, Engineer", tells the story of the role of the "father of electric traction" and the role of electricity in the growth of cities.
In this case, the drive sheave is directly attached to the end of the motor. Gearless traction elevators can reach speeds of up to 20 m/s (4,000 ft/min), A brake is mounted between the motor and gearbox or between the motor and drive sheave or at the end of the drive sheave to hold the elevator stationary at a floor.
However, traction elevators still require additional space above the elevator roof to accommodate the components required to raise and lower the car. Shaftless home lifts consist of a rectangular elevator cabin positioned on a rail. The lift travels on the route from the lower floor to the upper floor and back.
The Kone EcoSpace elevator is a machine-room-less traction elevator designed for low-rise buildings from 2 to 4 stories as an energy-efficient alternative to hydraulic elevators, and can fit in an existing hydraulic elevator hoistway. Maximum speed is 150 feet per minute (0.76 m/s). [16]
Elevator In traction (non-hydraulic) elevators, a heavy counterweight counterbalances the load of the elevator carriage, so the motor lifts much less of the carriage's weight (specifically, the counterweight is the weight of the carriage plus 40-50% of its rated capacity). The counterweight also increases the ascending acceleration force and ...
The Bronx man allegedly flew into a rage on a southbound No. 5 train approaching the Fulton Street station around 6:10 a.m. when the elderly victim stumbled over his foot, according to cops and ...
The EMD MP15, sometimes referenced as MP15DC, is a 1,500 hp (1,119 kW) diesel–electric road switcher locomotive model produced by General Motors' Electro-Motive Division between 1974 and 1980. It was equipped with a V12 12-645E engine sporting a Roots blower. The length was either 47 ft 8 in (14.53 m) or 48 ft 8 in (14.83 m) depending on the ...