Heat pipe having operating fluid including carbon nanocapsules

Details Heat pipe having operating fluid including carbon nanocapsules Heat pipe having operating fluid including carbon nanocapsules

2007-12-04

2007-12-04

Duong, Tho (Department: 3744)

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

C165S104210, C252S071000

Reexamination Certificate

active

10930328

ABSTRACT:
A heat pipe (20) includes a pipe (21), a wick (22), and an operating fluid. The wick is fixedly engaged with an inside wall of the pipe. The operating fluid is sealed in the pipe and soaks the wick. The operating fluid includes a pure liquid, and a plurality of carbon nanocapsules (23) suspended in the pure liquid. The pure liquid can be selected from the group consisting of pure water, ammonia, methanol, acetone and heptane. Each carbon nanocapsule is a polyhedral carbon cluster (231), with a metal (232) having high thermal conductivity filled therein. The operating fluid has high thermal conductivity and uniform operation, and is recyclable with no pollution of the environment. The heat pipe has correspondingly high thermal conductivity.

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patent: 2004/0125565 (2004-07-01), Chen et al.
patent: ZL 98110556.4 (2002-11-01), None

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