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Heat dissipation system and an associated method thereof

專利號
US11997839B2
公開日期
2024-05-28
申請人
General Electric Company(US GA Atlanta)
發(fā)明人
Alistair Martin Waddell; Mark Aaron Chan Chan; Owen Jannis Schelenz; Michael Fernahl
IPC分類
H05K7/20; F28D15/02; H01L23/427
技術領域
phase,heat,fluid,condenser,transfer,conduit,cooling,two,first,device
地域: NY NY Schenectady

摘要

Heat dissipation system, a power converter using such a heat dissipation system, and an associated method of thermal management of the power converter are disclosed. The heat dissipation system includes a condenser, a first cooling loop, and a second cooling loop. The first cooling loop is coupled to the condenser and includes a first two-phase heat transfer device. The second cooling loop is coupled to the condenser and includes a second two-phase heat transfer device. The condenser is disposed above the first and second two-phase heat transfer devices.

說明書

In some embodiments, the first two-phase heat transfer device 112, the inlet conduit 113, and the outlet conduit 115 are hermetically joined to the condenser 114. Further, the first two-phase heat transfer device 112 is hermetically sealed in the sealed casing 109 and pre-filled with a fluid which is at a saturated liquid condition. In such an embodiment, the fluid may include, but not limited to, inert gas, nitrogen, argon, and the like. Further, in such an embodiment, a single-phase fluid 120 and a two-phase fluid 124 may be refrigerants with boiling point less than 0 degree centigrade at atmospheric pressures. For example, the refrigerants may include r134a, r1234yf, and the like. In some other embodiments, the first two-phase heat transfer device 112, the inlet conduit 113, and the outlet conduit 115 may not be hermetically joined to the condenser 114. Further, the first two-phase heat transfer device 112 may not be hermetically sealed in the sealed casing 109. In such an embodiment, the sealed casing 109 may be pre-filled with a fluid having a boiling point below a predefined threshold temperature of the first component 108 at atmospheric pressure. In one embodiment, the fluid may include, but not limited to, air, and the like. Further, in such an embodiment, the single-phase fluid 120 and the two-phase fluid 124 may be coolant with boiling point in range from about zero degree centigrade to about 70 degree centigrade at atmospheric pressure. For example, the coolant may include Novec649, HFE7000, SES30, and the like.

權利要求

1
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