159252 ⎘
Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used Pulse tubes with basic schematic including at the pulse tube warm end a so called warm end expander
CRYOGENIC REFRIGERATOR
#2Cryogenic refrigerator
#3Heat-actuated double-acting traveling-wave thermoacoustic refrigeration system
#4Secondary pulse tubes and regenerators for coupling to room temperature phase shifters in multistage pulse tube cryocoolers
#5Thermo-electro-acoustic refrigerator and method of using same
#6Pressure vibration generator