Inductive load control

Details Inductive load control Inductive load control

2005-03-30

2008-07-29

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

C361S154000, C361S159000

Reexamination Certificate

active

07405918

ABSTRACT:
A method is provide for controlling an inductive load device (ILD). The method includes providing a voltage potential across ILD and disabling a flow of current through the ILD resulting from the voltage potential across the ILD when a voltage across a sensing device rises to substantially equal an upper threshold value. The rate at which the voltage across the sensing device rises is a function of resistive and inductive characteristics of the ILD. The method additionally includes enabling the flow of current through the ILD resulting from the voltage potential across the ILD when the voltage across the sensing device decays to substantially equal a lower threshold value. The rate at which the voltage across the sensing device decays is a function of the resistive and inductive characteristics of the ILD.

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