A life support back pack 14 for use during extravehicular activity in space incorporates a cooling apparatus 20 comprised of five panels 22 each of which include in layered fashion a LCG coolant heat exchange coil 32, a heat distribution plate 42, and a heat dissipation module 50A or 50B having an outer...http://www.google.com.au/patents/US5115859?utm_source=gb-gplus-sharePatent US5115859 - Regenerable non-venting cooler for protective suit
