Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
F25B9/04—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
G—PHYSICS
G05—CONTROLLING; REGULATING
G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/01—Control of temperature without auxiliary power
G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
G05D23/1386—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for steam and liquid