159247 ⎘
Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used Pulse tubes with basic schematic including a counter flow heat exchanger instead of a regenerative heat exchanger
A HYDROGEN OR HELIUM THROTTLING LIQUEFACTION SYSTEM USING DIRECT CURRENT FLOW FROM THE COLD AND HOT ENDS OF THE REGENERATIVE CRYOCOOLERS
Cryogenic refrigerator and heating method for pulse tube cryocooler