Surge protector

Electricity: electrical systems and devices – Safety and protection of systems and devices – Transient responsive

Reexamination Certificate

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Details

C361S118000

Reexamination Certificate

active

07068487

ABSTRACT:
A surge protector for alternating current service includes at least an incoming hot line and a neutral line, but usually includes an incoming hot line, an incoming neutral line and a safety ground line. The surge protector has a series connected transformer with input connection to the incoming hot line, and connected in series to a non-linear surge suppression circuit, and therefore has a gross output connection to the non-linear surge suppression circuit, and a low impedance input to the secondary winding of the series connected transformer from the non-linear surge suppression circuit, and has a surge cancelled hot line output connection. The surge protector is for single or three phase service.

REFERENCES:
patent: 4862307 (1989-08-01), Larson et al.
patent: 4870528 (1989-09-01), Harford
patent: 4870534 (1989-09-01), Harford
patent: 5617284 (1997-04-01), Paradise
patent: 5621625 (1997-04-01), Bang
patent: 6385029 (2002-05-01), Pennington
patent: 2003/0165035 (2003-09-01), McCook et al.
patent: 2004/0004799 (2004-01-01), Elder

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