Selective potting for controlled failure and electronic...

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor

Reexamination Certificate

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C361S023000

Reexamination Certificate

active

10815183

ABSTRACT:
A selectively protected electrical system includes or operates with a power source, a load, a power driver circuit for controllably transferring power from the power source to the load, the power driver circuit being encapsulated in a potting material, and a controller for enabling and disabling the power driver circuit, the controller being un-encapsulated by the potting material. If a contaminant induced electrical fault occurs in the selectively protected electrical system, the electrical fault is more likely to occur in the un-encapsulated controller, such that the selectively protected electrical system is disabled. The contaminant is inhibited from contacting and inducing an electrical fault in the power driver circuit, thus providing for a controlled failure of the selectively protected electrical system.

REFERENCES:
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patent: 0 401 940 (1986-10-01), None
PCT International Search Report as issued in International Application No. PCT/US02/37086, Mailing date Jun. 4, 2003.

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