Unmanned material handling system for servicing a multi-level st

Material or article handling – Elevator or hoist and loading or unloading means therefor – With external cooperating movable feeding or discharging means

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414277, 191 2, B66F 1100

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active

042795630

ABSTRACT:
An unmanned material handling system for servicing a plurality of vertically spaced levels of a structure is provided. This system includes an unmanned, selfpropelled vehicle driven by an electromechanical device such as an electric motor. The vehicle includes an energy storage device, such as a flywheel, for storing energy and for supplying that energy to the electro-mechanical device. The vehicle can be moved from one level to another within the structure by an elevator. One half of a split transformer is embedded in the floor of the elevator and, when the vehicle is disposed thereover, that half of the split transformer is energized and becomes electromagnetically coupled with a second half of the split transformer which is disposed within the vehicle. This coupling provides electrical energy to drive a motor/generator which, in turn, causes the flywheel to rotate and store energy. When the elevator reaches the desired level, the mechanical energy stored by the rotating flywheel is converted to electrical energy by the motor/generator for transmission to an electro-mechanical propulsion device thereby propelling the vehicle.

REFERENCES:
patent: 2589453 (1952-03-01), Storsand
patent: 2626673 (1953-01-01), Storsand
patent: 3743116 (1973-07-01), Giessler et al.
patent: 3785514 (1974-01-01), Forsyth et al.
Post, R. F. et al., "Flywheels", Scientific American, vol. 229, No. 6, Dec. 1973, pp. 17-23.

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