| 摘要 |
A cooling assembly comprising a plurality of fin elements stacked in a stack direction, a plurality of coolant channels each located between adjacent fin elements and extending in a coolant channel direction perpendicular to the stack direction, a first heat transfer surface adapted to be in contact with a heat generating element, and a second heat transfer surface spaced apart from the first heat transfer surface, the plurality of fin elements and the plurality of coolant channels being located between the first heat transfer surface and the second heat transfer surface. Each of the fin elements comprises a pulsating heat pipe embedded therein, a main pulsating direction of each of the pulsating heat pipes being substantially parallel to a normal of the first heat transfer surface. |
| 主权项 |
1. A cooling assembly comprising:
a plurality of fin elements stacked in a stack direction; a plurality of coolant channels each located between adjacent fin elements and extending in a coolant channel direction perpendicular to the stack direction, the plurality of coolant channels being adapted for a flow of a gaseous cooling medium; a first heat transfer surface adapted to be in contact with a heat generating element, a normal of the first heat transfer surface being substantially perpendicular to both the stack direction and the coolant channel direction; a second heat transfer surface spaced apart from the first heat transfer surface, the plurality of fin elements and the plurality of coolant channels being located between the first heat transfer surface and the second heat transfer surface, wherein each of the fin elements comprises a pulsating direction of each of the pulsating heat pipes embedded therein, a main pulsating direction of each of the pulsating heat pipes being substantially parallel to a normal of the first heat transfer surface, and wherein each of the fin elements comprises a first lateral wall element, a second lateral wall element and a plurality of flow separators, wherein a meandering flow path for a working fluid of the pulsating heat pipe is located between the first lateral wall element and the second lateral wall element in the stack direction, the plurality of flow separators being provided in a staggered arrangement between the first lateral wall element and the second lateral wall element such that adjacent flow separators are spaced apart from each other in the coolant channel direction for guiding a flow of working fluid in the pulsating heat pipe and providing the meandering flow path for the working fluid, and wherein each of the pulsating heat pipes comprises a plurality capillary tube elements each including a plurality of capillary tubes adapted to define a flow path for the working fluid in the main pulsating direction, wherein each of the flow separators is adapted for guiding a flow of working fluid from one capillary tube element to adjacent capillary tube element such that the meandering flow path for the working fluid is provided, and wherein each of the capillary tube elements is a MPE tube element, and wherein the plurality of flow separators is integrated into the first lateral wall element and/or the second lateral wall element, and wherein each of the flow separators comprises a first part extending linearly substantially parallel to the main pulsating direction and being located between adjacent capillary tube elements in the coolant channel direction, and a second part spaced apart from the adjacent capillary tube elements in the main pulsating direction for guiding a flow of working fluid from one capillary tube element to adjacent capillary tube element such that the meandering flow path for the working fluid is provided. |
