VORTEX TUBE Russian patent published in 2008 - IPC F25B9/04 

FIELD: heating.

SUBSTANCE: invention refers to the configuration and operation of vortex tubes meant for obtaining hot or cold gas streams. A vortex tube includes tangential nozzle with a spiral, separation chamber, orifice, throttle and shell baffle being faired with a plain spigot that is arranged in its centre and has an axial bore. There are tangential nozzles arranged in the lateral surface of the plain spigot. The axial bore is made of two portions connected using a bell and spigot joint. Blades are fixedly mounted in a larger portion. The throttle is made in the form of a ring cylinder with tangential nozzles arranged in its outer surface and it is mounted capable of spinning together with the plain spigot and shell baffle. On the inner surface of the separation chamber, along its generatrix, there are semicircular grooves. The technical effect of the invention consists in enhancement of the device thermodynamic effectiveness and efficiency.

EFFECT: enhancement of the device thermodynamic effectiveness and efficiency.

1 cl, 3 dwg