Hamilton Sundstrand Space Systems International, Inc.

Gregory Quinn

Mark A Zaffetti

James R O'Coin

Jesse Joseph Stieber

A heat sink includes a core body. The core body defines a coolant plenum, sealed first and second chambers, and first and second coolant conduits. The sealed first and second chambers each house a phase change material. The first and second coolant conduits are separated from one another by the coolant plenum and are in fluid communication with the coolant plenum for transferring heat between coolant flowing through the core body and the phase change material.

Phase change material heat sinks

A heat switch includes a heat sink, a coolant tube, and an actuator. The coolant tube is movable with respect to the heat sink. The actuator couples between the heat sink and the coolant tube and configured to move the coolant tube between a first position and a second position. Heat flow from the coolant tube into the heat sink is greater in the second position than in the first position for enhanced heat transfer from the coolant tube.

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Windsor Locks, CT, United States of America

Gregory Quinn