Battery pack with variable-conductance heat pipe (VCHP) cooling
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Oct 12, 2015
filing date -
Dec 17, 2014
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Abstract
An apparatus including a battery pack comprising a plurality of individual batteries arranged around a battery cavity such that each individual battery is in thermal contact with at least one neighboring individual battery. A variable-conductance heat pipe (VCHP) having an evaporator end and a condenser end, is positioned so that at least part of the evaporator end being positioned in the battery cavity and in thermal contact with each of the plurality of individual batteries. The apparatus includes a thermally insulating cover having an inside and an outside, wherein the battery pack and the part of the VCHP evaporator end in the battery cavity are positioned inside the thermally insulating cover and at least part of the condenser end of the VCHP is outside the thermally insulating cover, and wherein the VCHP is substantially the only thermal path between the battery pack and the outside. Other implementations are disclosed and claimed.
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