Compact dry transformer

Details Compact dry transformer Compact dry transformer

2008-05-06

2008-05-06

Mai, Anh (Department: 2832)

Inductor devices

With temperature modifier

Heat exchanging surfaces

C336S005000, C336S055000, C336S059000

Reexamination Certificate

active

11573545

ABSTRACT:
Compact dry transformer (1A) consisting of a magnetic material core (2) provided with a first heat sink consisting of covers (10) having cooling fins (11) on the outer surface thereof. The transformer also consists of a coil assembly (3,4) provided with a second heat sink consisting of enclosures (12) having cooling fins (14) on the outer surface thereof. The second heat sink further consists of jackets (15) with heat pipes (17) containing a thermic fluid having low boiling point at vacuum such as water. The heat pipes consist of evaporator portions and condenser portions having cooling fins (21) on the outer surface thereof. Due to the heat sinks heat dissipation efficiency of the transformer is improved (FIG.3).

REFERENCES:
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patent: 3731243 (1973-05-01), Davis
patent: 5954988 (1999-09-01), Lee
patent: 6087916 (2000-07-01), Kutkut et al.
patent: 6518868 (2003-02-01), Miller et al.
patent: 6563410 (2003-05-01), Marton
patent: 6750749 (2004-06-01), Horiuchi et al.
patent: 6885268 (2005-04-01), Choi
patent: 2784787 (2000-04-01), None
patent: 2002008923 (2002-01-01), None

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