Thermal harness using thermal conductive fiber and polymer matrix material
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United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Nov 8, 1999
filing date -
Nov 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermal harness comprising one or more tows of braided or bundled thermally conductive fiber extending from each of a plurality of heat generating devices to one or more heat dissipating devices. The harness may include an encapsulating membrane to contain the multiple tows. At each end or node of the tows, they are fanned out and splayed onto a patch of nonoutgassing polymer matrix material. A second piece of nonoutgassing polymer matrix material may be used to encapsulate the splayed tows at each node. The nonoutgassing polymer matrix material comprises high conductivity, small diameter fibers thermally coupled to the splayed tows of fiber and to the heat generating and heat dissipating devices. The node may be attached to the heat generating and dissipating devices using an adhesive or pyrolytic graphite flakes disposed between the polymer matrix material and the heat generating and dissipating devices. Alternatively, a plastic connector or a backing plate may secure the ends of the thermal harness to the heat generating and heat dissipating devices.
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