Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Reexamination Certificate
2005-06-15
2008-11-18
Jackson, Stephen W (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Feeder protection in distribution networks
Reexamination Certificate
active
07453677
ABSTRACT:
A power and safety control hub, integrating fault tolerant power disconnect control, software monitoring of disconnect and multi-voltage power distribution and disconnect with non-hazardous power control, EMI filtering and multi-circuit current protection in a single unit, coordinating shutdown of connected mechanical drives, commanding them to come to a controlled stop before safety power is disconnected. The hub may also integrates segmented hazardous power control and automatically discharge energy sources within connected mechanical drives at the time of safety power disconnect of hazardous power. The hub may also include internal self-protection that automatically forces a control safety power disconnect (after warning the host) if the unit should approach its maximum operating temperature, or if a cooling fan stops.
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Block Jeremy Michael
Bucella Thomas John
Fuchs David Edward
Larson David Roger
Sewhuk David William
Brown & Michaels PC
Jackson Stephen W
Teknic, Inc.
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