Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate
2004-09-06
2010-02-02
Nguyen, Chau N (Department: 2831)
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
Reexamination Certificate
active
07655867
ABSTRACT:
A conductor for windings cooled by liquid, especially for transformer windings, has an insulating covering which surrounds the entire conductor (1). At least one layer (2) of the covering completely surrounds the conductor (1). An external layer (3) provided with at least two layers (2, 3) of the covering comprises openings (4), holes (5) or frays (6) through which a coolant flowing around the conductor is placed in a turbulent state and better heat exchange is obtained.
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International Search Report for Application No. PCT/DE2004/002010 (3 pages), Nov. 5, 2005.
King & Spalding L.L.P.
Nguyen Chau N
Siemens Aktiengesellschaft
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