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Method and device for cooling a heat generating component

  • US 10,278,306 B2
  • Filed: 02/26/2015
  • Issued: 04/30/2019
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
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1. An integrated heat spreader, comprising:

  • at least one heat absorption chamber having a first surface for interfacing with a heat generating component,wherein the heat absorption chamber comprises at least two physically separated flow paths for the cooling fluid;

    at least one heat dissipation chamber having a second surface for interfacing with an external coolant, the second surface being larger than the first surface;

    a cooling fluid filling, at least partially, the at least one heat absorption chamber and the at least one heat dissipation chamber;

    at least one fluid interconnection oriented to form obtuse angles with respective planes of the first and second surfaces and disposed between the at least one heat absorption chamber and the at least one heat dissipation chamber;

    at least one pump element for creating a plurality of flow patterns between the at least one heat absorption chamber and the at least one heat dissipation chamber using a forced movement of the cooling fluid; and

    a controller for generating at least one control signal for the at least one pump element, such that the cooling fluid can be driven through the at least one heat absorption chamber using a plurality of flow patterns,wherein the heat spreader comprises a plurality of regions and associated temperature sensors, the plurality of temperature sensors are coupled to the controller, and the controller is adapted to identify at least one cold region of the heat spreader, the at least one cold region being characterized in that it has a temperature below an average temperature of the plurality of regions, and the controller is further adapted to generate at least one control signal based on the at least one identified cold region, such that the flow of cooling fluid is sourced from the at least one cold region in at least one flow pattern.

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