Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate
2011-04-12
2011-04-12
Nguyen, Chau N (Department: 2835)
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
Reexamination Certificate
active
07923640
ABSTRACT:
The heavy current cable (1) for 50/60 Hz TN-S mains comprises preferably a central earth connector (2), around which three phase leads (3, 4, 5) and a neutral lead (6) are stranded. The earth lead (2) can have a smaller cross-section than the phase leads (3, 4, 5) and the neutral lead (6), and can be straight. This heavy current cable (1) is characterised by a defined cable reactance, by a constant current distribution over the phase cables and by the avoidance of any induction currents. In addition virtually no interference can be coupled into parallel lying I & C-leads. There is only a low level of NIS-radiation and no short-circuiting forces. Finally, there is a time saving during installation.
REFERENCES:
patent: 5864094 (1999-01-01), Griffin
patent: 6628009 (2003-09-01), Chapel
patent: 996645 (1976-09-01), None
CFW EMV-Consulting AG
Galbreath John A.
Galbreath Law Offices P.C.
Nguyen Chau N
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