End surface structure of a heat pipe for contact with a heat...

Details End surface structure of a heat pipe for contact with a heat... End surface structure of a heat pipe for contact with a heat...

2006-01-17

2006-01-17

McKinnon, Terrell (Department: 3743)

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

C165S104330, C361S697000, C361S700000, C257S715000

Reexamination Certificate

active

06986383

ABSTRACT:
An end surface structure of a heat pipe having a large gauge used to be contacted with a heat source for dissipation is provided. The heat pipe includes a pipe member, a lid, a base and a wick structure. The hollow tubular pipe member includes two opposing open ends. The lid is closely covered on one open end. The base includes an interlocking member fitly engaged to the other open end of the pipe member and a flange extending radially and outwardly from the interlocking member. Moreover, the thickness of the flange is not larger than the thickness of pipe member at the open end receiving the interlocking member. When the base is fitted with the pipe member at the open end, a welding process is performed to permanently connect them together. In the welding process, the flange is enforced to be liquefied first and is liquefied more than the pipe member at the open end. As such, it can ensure that the pipe member is prevented from being damaged during the welding process.

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patent: 6827133 (2004-12-01), Luo
patent: 2003/0066628 (2003-04-01), Mochizuki et al.

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