Patent application number | Description | Published |
20080210559 | High energy density electro-osmotic pump and actuator - An electro-osmotic pump includes a pump chamber having a wall fabricated of an electric double layer material, the surface area of the electric double layer material being high relative to the volume of the chamber. An electric potential applied across the material causes a fluid in the chamber to be transported through the wall. | 09-04-2008 |
20080225489 | Heat spreader with high heat flux and high thermal conductivity - A heat spreader for transferring heat from a heat source to a heat sink using a phase change coolant, includes an array of cells, each cell having at least one microporous wick for supporting flows of the coolant in the liquid phase, via capillary action, within the spreader from proximate the heat sink to proximate the source and at least one macroporous wick for supporting flows of the coolant, in the liquid and vapor phase, within the spreader from proximate the source to proximate the heat sink. | 09-18-2008 |
20090159242 | HEAT PIPE SYSTEM - For cooling electronics with high heat fluxes, a lattice wick system is disclosed that has a plurality of granular wicking walls configured to transport liquid through capillary action in a first direction, each set of the plurality of granular wicking walls forming respective vapor vents between them to transport vapor. Granular interconnect wicks are embedded between respective pairs of the granular wicking walls to transport liquid through capillary action in a second direction substantially perpendicular to the first direction. The granular interconnect wicks have substantially the same height as said granular wicking wall so that the plurality of granular wicking walls and granular interconnect wicks enable transport of liquid through capillary action in two directions and the plurality of vapor vents transport vapor in a direction orthogonal to the first and second directions. | 06-25-2009 |
20090159243 | NANO TUBE LATTICE WICK SYSTEM - For cooling electronics with high heat fluxes, a lattice wick system is disclosed that has a plurality of nano tube wicking walls configured to transport liquid through capillary action in a first direction, each set of the plurality of granular wicking walls forming respective vapor vents between them to transport vapor. A plurality of nano tube interconnect wicks embedded between respective pairs of the plurality of nano tube wicking walls transport liquid through capillary action in a second direction substantially perpendicular to the first direction. The nano tube interconnect wicks have substantially the same height as the nano tube wicking walls so that the plurality of nano tube wicking walls and the plurality of nano tube interconnect wicks enable transport of liquid through capillary action in two directions and the plurality of vapor vents transport vapor in a direction orthogonal to the first and second directions. | 06-25-2009 |
20100108292 | Heat sink system with fin structure - A heat sink apparatus includes a heat conductive base plate and a plurality of fins in thermal communication with the heat conductive base plate. The plurality of fins is configured to form a plurality of curved and branching channels extending radially on the base plate. At least two of the plurality of fins are configured with a gap between them to trip a gas boundary layer formed on a first one of the at least two fins, when a gas boundary layer is present. | 05-06-2010 |
20110284188 | HEAT SPREADER WITH HIGH HEAT FLUX AND HIGH THERMAL CONDUCTIVITY - A system and method is disclosed for fabricating a heat spreader system, including providing a plurality of bottom microporous wicks recessed in a bottom substrate, bonding a center substrate to the bottom substrate, and bonding a top substrate having a top chamber portion to the center substrate to establish a first vapor chamber with said plurality of bottom microporous wicks. | 11-24-2011 |
20120216863 | SOLAR ENERGY CONCENTRATOR ARCHITECTURES - Solar energy concentrator architectures employ an array of electro-optical liquid prism modules to deflect sunlight onto PV cells. Without any mechanical moving parts, the dynamic liquid prism allows the concentrator to adaptively track the daily changes of the sun's orbit. The liquid prism modules may be arranged, for example, into a sheet-shaped beam steering array; a condenser device such as a Fresnel lens is then used to focus the light deflected by the modules onto one or more PV cells—preferably CPVs. Another possible concentrator architecture requires arranging a plurality of liquid prism modules into a semi-spherical pattern, such that light impinging on the modules is directed onto one or more PV cells or CPVs. | 08-30-2012 |
20130032311 | System for Using Active and Passive Cooling for High Power Thermal Management - A cooling system is disclosed that includes a substrate having a metallic face, at least one microporous wick formation in thermal communication with the metallic face, and a liquid delivery head positioned in complementary opposition to the metallic face, the liquid delivery head having at least one nozzle for directing a liquid towards the metallic face. | 02-07-2013 |
20130112376 | HEAT PIPE SYSTEM - A heat pipe apparatus having a sintered lattice wick structure includes a plurality of wicking walls having respective length, width and heights and spaced in parallel to wick liquid in a first direction along the respective lengths, the respective lengths being longer than the respective widths and the respective heights, the plurality of wicking walls being adjacent to one another and spaced apart to form vapor vents between them, a plurality of interconnect wicking walls to wick liquid between adjacent wicking walls in a second direction substantially perpendicular to the first direction, and a vapor chamber encompassing the sintered lattice wick structure, the vapor chamber having an interior condensation surface and interior evaporator surface, wherein the plurality of wicking walls and the plurality of interconnect wicking walls are configured to wick liquid in first and second directions and the vapor vents communicate vapor in a direction orthogonal to the first and second directions. | 05-09-2013 |
20130270220 | HEAT SPREADER WITH HIGH HEAT FLUX AND HIGH THERMAL CONDUCTIVITY - A system and method is disclosed for fabricating a heat spreader system, including providing a plurality of bottom microporous wicks recessed in a bottom substrate, bonding a center substrate to the bottom substrate, and bonding a top substrate having a top chamber portion to the center substrate to establish a first vapor chamber with said plurality of bottom microporous wicks. | 10-17-2013 |