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A cooling device includes a heat sink body having a plurality of elongated channels that extend between respective channel inlets and outlets. A synthetic jet actuator module is adjacent to the heat sink body and includes a plurality of jet outlets adjacent to the respective channel inlets for emitt

A cooling device includes a heat sink body having a plurality of elongated channels that extend between respective channel inlets and outlets. A synthetic jet actuator module is adjacent to the heat sink body and includes a plurality of jet outlets adjacent to the respective channel inlets for emitting a plurality of vortices into the channels.

대표청구항 ▼

1. A cooling device comprising: a heat sink body having a plurality of elongated channels that extend between respective channel inlets and outlets; anda synthetic jet actuator module adjacent to the heat sink body and including a plurality of jet outlets adjacent to the respective channel inlets fo

1. A cooling device comprising: a heat sink body having a plurality of elongated channels that extend between respective channel inlets and outlets; anda synthetic jet actuator module adjacent to the heat sink body and including a plurality of jet outlets adjacent to the respective channel inlets for emitting a plurality of vortices into the channels, wherein a width of at least one of the plurality of jet outlet is greater than a length of at least one of the plurality of jet outlets. 2. The cooling device as recited in claim 1, wherein the synthetic jet actuator module is spaced apart from the heat sink body such that there is an open space therebetween. 3. The cooling device as recited in claim 1, wherein at least one of the plurality of elongated channels includes a cross-sectional area that is non-constant over a length of the at least one of the plurality of elongated channels. 4. The cooling device as recited in claim 1, wherein each of the plurality of elongated channels progressively increases in cross-sectional area between the respective channel inlets and outlets. 5. The cooling device as recited in claim 1, wherein a first portion of the plurality of elongated channels each have a first cross-sectional size and a second portion of the plurality of channels each have a second cross-sectional size that is different than the first cross-sectional size. 6. The cooling device as recited in claim 1, wherein each of the plurality of elongated channels are conical. 7. The cooling device as recited in claim 1, wherein each of the plurality of elongated channels are conical, with at least one of concavely curved or convexly curved walls. 8. The cooling device as recited in claim 1, wherein at least one of the plurality of elongated channels includes a cross-sectional area that is constant over a length of the at least one of the plurality of elongated channels. 9. The cooling device as recited in claim 1, wherein respective centerlines of the channel inlets are coaxial with respective centerlines of the jet outlets. 10. The cooling device as recited in claim 1, further including a phase-change coolant within the heat sink body. 11. The cooling device as recited in claim 1, further including a second plurality of elongated channels that extend between respective second channel inlets and outlets, and a second synthetic jet actuator module adjacent to the heat sink body and including a second plurality of jet outlets adjacent to the respective second channel inlets. 12. The cooling device as recited in claim 11, wherein the plurality of elongated channels have the respective channel inlets located on a first side of the heat sink body and the second plurality of elongated channels have the respective second channel inlets located on a second side of the heat sink body that is different from the first side. 13. The cooling device as recited in claim 1, wherein the heat sink body includes walls that extend around an interior volume, and the plurality of elongated channels extend through the interior volume. 14. The cooling device as recited in claim 13, wherein one of the walls includes a boiling enhancement surface feature relative to the other walls, the boiling enhancement feature being exposed to the interior volume and configured to influence boiling of a phase-change coolant within the heat sink body. 15. The cooling device as recited in claim 13, wherein outer surfaces of the plurality of elongated channels are exposed to the interior volume and include a condensation enhancement surface feature configured to influence condensation of a phase-change coolant onto the outer surfaces. 16. The cooling device as recited in claim 11, wherein the synthetic jet actuator module is located adjacent a first side of the heat sink body and the second synthetic jet actuator module is located adjacent a second side of the heat sink body opposite the first side. 17. The cooling device as recited in claim 1, wherein each of the plurality of vortices are ring shaped. 18. The cooling device as recited in claim 1, wherein at least one of the plurality of jet outlets is flush with a face of the synthetic jet actuator module. 19. The cooling device as recited in claim 1, wherein the synthetic jet actuator module includes a housing with at least one one-way valve. 20. The cooling device as recited in claim 1, wherein the synthetic jet actuator module includes a diaphragm. 21. The cooling device as recited in claim 20, wherein the diaphragm is located on an opposite side of the synthetic jet actuator module from each of the plurality of jet outlets. 22. The cooling device as recited in claim 20, wherein the diaphragm extends across substantially the width of the synthetic jet actuator module. 23. A method for use with a cooling device, comprising: emitting a plurality of vortices from a plurality of jet outlets of a synthetic jet actuator module that is adjacent to a heat sink body such that the plurality of vortices are received into respective channel inlets of a plurality of elongated channels of the heat sink body that extend between the channel inlets and outlets, wherein a width of at least one of the plurality of jet outlet is greater than a length of at least one of the plurality of jet outlets. 24. The method as recited in claim 23, including providing the plurality of elongated channels with a conical shape. 25. The method as recited in claim 23, wherein each of the plurality of vortices are ring shaped.