Compact dry transformer

Details Compact dry transformer Compact dry transformer

2011-03-15

2011-03-15

Mai, Anh T (Department: 2832)

Inductor devices

With temperature modifier

Heat exchanging surfaces

C336S055000, C336S059000

Reexamination Certificate

active

07907039

ABSTRACT:
An compact dry transformer (1A) comprising a magnetic material core (2) and a coil assembly (3) assembled onto the core. The core comprises heat dissipating covers (4) with cooling fins (5) snug fitted over the core. The coil assembly is mounted on the core over a heat dissipating shifted inner jacket (9) made of non-magnetic material in close contact with the inner jacket. At least one first heat pipe (11) provided with cooling fins is located between the core and inner jacket in close contact therewith. The coil assembly further comprises a heat dissipating shifted outer jacket (13) made of non-magnetic material snug fitted over the high voltage winding. At least one second heat pipe (15) protruding out of bushings provided with cooling fins is located against the outer jacket in close contact therewith.

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International Search Report dated Dec. 11, 2008 for related International Application No. PCT/IN2008/000104.
Written Opinion dated Dec. 11, 2008 for related International Application No. PCT/IN2008/000104.

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