Refrigeration – Vortex tube – e.g. – ranque
Patent
1981-08-03
1982-07-20
Capossela, Ronald C.
Refrigeration
Vortex tube, e.g., ranque
138 44, F25B 902
Patent
active
043399266
ABSTRACT:
A vortex tube has a vortex generator portion in the form of a right circular cylindrical re-entrant cavity having end walls defining a right circular cylindrical volume therewithin with a nozzle means separating such volume from the remainder of the cavity. Pressurized air or other gas is introduced into the cavity through an appropriate coupling and is caused to swirl by the nozzle means to produce a vortex within such volume. A stream of higher temperature gas is coupled from one side of the vortex generator by a tube of given length and diameter smaller than the diameter of the vortex volume and a stream of lower temperature gas is coupled from the other side of the vortex generator through an opening of smaller diameter than the tube. Longitudinally extending grooves in the inner surface of the distal end portion of the tube enable a given temperature differential between the high and low temperature streams to be obtained with a tube of reduced length. A valved passageway between the portion of the cavity outside the vortex volume and the tube enables the temperature differential between the high and low temperature streams to be adjusted without substantial change in the amount of flow in either of such streams.
REFERENCES:
patent: 3129075 (1964-04-01), Anliot
patent: 3192728 (1965-07-01), Timm
patent: 3208229 (1965-09-01), Fulton
patent: 3214923 (1965-11-01), Palmisano et al.
patent: 3287924 (1966-11-01), Bright
patent: 3291126 (1966-12-01), Messick
patent: 3296807 (1967-01-01), Fekete
patent: 3461676 (1969-08-01), Toelke et al.
patent: 3630039 (1971-12-01), Hayashi
patent: 4240261 (1980-12-01), Inglis
Ferris Lester W.
Moretti Anthony L.
Capossela Ronald C.
E. D. Bullard Company
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