Phase change cooled electrical resistor

Details Phase change cooled electrical resistor Phase change cooled electrical resistor

2011-03-08

2011-03-08

Lee, Kyung (Department: 2833)

Electrical resistors

With cooling gas or liquid circulation

C338S051000, C361S700000

Reexamination Certificate

active

07902957

ABSTRACT:
A technique is disclosed for cooling resistive elements, such as brake resistors used in motor drives, as well as other resistors. A phase change heat spreader is thermally coupled to the resistive element and a continuous phase change cycle takes place in the heat spreader to extract heat from the resistive element. The element and heat spreader may be packaged as a modular unit or may be integrated into a system.

REFERENCES:
patent: 4716396 (1987-12-01), Kneifel
patent: 5990780 (1999-11-01), Caddock, Jr.
patent: 6166937 (2000-12-01), Yamamura et al.
patent: 6490159 (2002-12-01), Goenka et al.
patent: 6522239 (2003-02-01), Peschl
patent: 6979843 (2005-12-01), Nakajima et al.

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