Energy saver elevator

Details Energy saver elevator Energy saver elevator

1993-03-08

1994-08-30

Noland, Kenneth W.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187114, 318139, B66B 1104

Patent

active

053419022

ABSTRACT:
An energy saver elevator is provided which consists of an elevator car, an elongated cable connected to the elevator car and a counterweight connected to the elongated cable. A DC power source and an auxiliary AC power source are also provided. A mechanism powered by the DC power source during normal conditions and by the auxiliary AC power source during emergency conditions, is for propelling the elevator car. A device is for recharging the normal DC power source by the motion of the elevator car and an apparatus is for stopping the elevator car.

REFERENCES:
patent: 920630 (1909-05-01), Ocumpaugh
patent: 3415343 (1968-12-01), Svensson
patent: 3878916 (1975-04-01), White, Jr.
patent: 4456097 (1984-06-01), Salihi
patent: 4548299 (1985-10-01), Nomura
patent: 4592450 (1986-06-01), Schaffer
patent: 4865155 (1989-09-01), Montaigne et al.

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