Power saving module

Details Power saving module Power saving module

1987-04-03

1987-12-29

Hix, L. T.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361194, 361195, H01H 4704, H01H 4722

Patent

active

047164905

ABSTRACT:
A new method of activating existing electric solenoids which reduces the power required up to 90%, reduces the size of wire required, extends solenoid life, and facilitates installation. This is accomplished by adding an encapsulated module at the end of the electrical line just ahead of the solenoid. The principles used are that a solenoid requires a much higher level of energy to actuate than to keep it actuated. Charging a capacitor slowly then allowing it to suddenly discharge into the coil eliminates the inrush load demanded on the source, while a series resistance then keeps the load at a low level by acting as a current limiter.

REFERENCES:
patent: 2182637 (1939-12-01), Marbury
patent: 2483408 (1949-10-01), Garber

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