Advanced Cooling Technologies, Inc.

Calin Tarau

William G Anderson

Kuan-Lin Lee

Jens E Weyant

John Hartenstine

Michael Dechristopher

Andrew J Slippey

Christopher J Peters

Jeffrey Diebold

Kyle S Van Riper

In some implementations, a thermal management system includes a heat source and a heat pipe connected to the heat source and configured to transfer thermal energy from the heat source to a plurality of condensers, each of the plurality of condensers branching off from a main pipe of the heat pipe. The heat pipe can be a variable conductance heat pipe containing a working fluid vapor. Each condenser contains a reservoir of non-condensable gas (NCG). At least one of the condensers can be controlled by heating/cooling the respective reservoir of NCG, by reservoir volume changing via bellows, and/or by NCG amount changing via NCG insertion/extraction.

Multi-condenser variable conductance heat pipe

A thermal management system adapted to vent a two-phase working fluid into an environment having a higher pressure than a vapor pressure of a working fluid corresponding to a set point of the system including a secondary vessel containing a secondary species. The system includes a primary vessel containing the working fluid and the secondary species, and at least one valve to selectively control venting of a mixture of the working fluid and the secondary species from the primary vessel to the environment. The system includes at least one valve connected between the primary vessel and the secondary vessel to selectively control charging of the secondary species into the primary vessel.

Thermal management system

A heat pipe device comprising at least two of the following: an axially grooved bore for thermal transport, the axially grooved bore having an axial groove wick; a phase change material bore for thermal storage, the phase change material bore having internal fins to enhance heat transfer, the internal fins extend along the axis of the phase change material bore; and a porous media bore for accepting high heat fluxes, the porous media bore having a porous media wick in areas of high heat flux.

Multi-bore constant conductance heat pipe for high heat flux and thermal storage

A heat pipe with a capillary structure that consists of heat conductive capillary grooves in the condenser region that meet with a porous wick in the evaporator section. The embodiments include several structures of the interface at the junction of the porous wick and the capillary grooves. One such interface is a simple butt joint. Others have interlocking shapes on the wick and the grooves such as parts of the wick that fit into or around the grooves.

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Downingtown, PA, United States of America

Calin Tarau