Energy storage apparatus

Details Energy storage apparatus Energy storage apparatus

1975-12-19

1977-05-03

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Composite

Spring only

F03G 100

Patent

active

040209237

ABSTRACT:
An energy storage system having several units for transmitting input power from electric motors to an output shaft, each of the units involving an electric motor, a main gear rotatable in response to operation of the motor, a flat spiral spring secured to the main gear for storing energy when the main gear is rotated by the motor, a device by which the main gear may selectively engage and rotate an output driveshaft when the flat spiral spring rotates the main gear, and a motor control switch that may be engaged by the spring, for sensing the contraction and expansion of the spring, and for activating and deactivating the motor in response to preselected positions of the spring's contraction and expansion.

REFERENCES:
patent: 1271437 (1918-07-01), Colbert
patent: 1365724 (1921-01-01), Phillips

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