OR-diode inductive load spike suppressor

Details OR-diode inductive load spike suppressor OR-diode inductive load spike suppressor

2005-08-16

2005-08-16

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

Reexamination Certificate

active

06930869

ABSTRACT:
The present invention is a method and system for preventing voltage spike feedback with switched inductive loads connected to isolated redundant power supplies. A voltage clamp circuit of the present invention may clamp the voltage spikes caused by inductive loads within a power supply system to a safe voltage level. When the common output voltage of the redundant power supplies becomes too large, the voltage clamp circuit of the present invention may clamp the common output voltage to a safe voltage level at or slightly above the higher voltage of the parallel connected power supplies.

REFERENCES:
patent: 4476415 (1984-10-01), Kautz et al.
patent: 5654859 (1997-08-01), Shi
patent: 6078156 (2000-06-01), Spurr
patent: 6462926 (2002-10-01), Zaretsky et al.
patent: 6545514 (2003-04-01), Barrow
patent: 6611410 (2003-08-01), Makaran

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