Importance

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Abstract

This invention is concerned with a method for a non-freeze enhancement in a vortex tube assembly which includes a heat exchanger having an uncontrolled opening in its inner passage and a vortex tube comprising a slender tube, a diaphragm having a hole in the center thereof and closing one end of the vortex tube, one or more tangential nozzles piercing the slender tube just inside the diaphragm and an outlet opening on the other end of the vortex tube, the method comprises ways of connecting the non-freeze enhanced vortex tube as follows: attaching a heat exchanger to an outward side of a vortex tube's diaphragm; connecting a vortex tube's diaphragm hole for discharging a cold fraction flow with a heat exchanger's inlet opening and then connecting the inlet opening through a heat exchanger's inner passage with a heat exchanger's outlet opening to discharge gas flow from the non-freeze enhanced vortex tube assembly; and connecting a vortex tube outlet opening at the far end of the vortex tube with another heat exchanger's inlet opening, thus providing for the hot flow to flow over the surfaces on the inside of the heat exchanger and then leave or exit the heat exchanger through an uncontrolled opening in the heat exchanger's inner passage to mix with the cold fraction exiting the vortex tube. The invention is also concerned with a method for a non-freeze enhancement in a vortex tube arrangement which includes two heat exchanges and two vortex tubes.

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First Claim