Cryogenic mixed gas refrigerant for operation within temperature ranges of 80amp;deg;K- 100amp;deg;K

摘要

A mixed gas refrigerant for use in the cryogenic range of temperatures between 80° K. and 100° K., with single stage compressor providing high pressures up to 30 Arms. The refrigerant consists of nitrogen between 30 and 50 molar percent, methane less than 20 molar percent, propane, more than 30 molar percent, and ethane the balance.