WO2021012045A1 - Système de refroidissement de tuyau à tourbillon et son procédé d'utilisation - Google Patents

Système de refroidissement de tuyau à tourbillon et son procédé d'utilisation Download PDF

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Publication number
WO2021012045A1
WO2021012045A1 PCT/CA2020/051006 CA2020051006W WO2021012045A1 WO 2021012045 A1 WO2021012045 A1 WO 2021012045A1 CA 2020051006 W CA2020051006 W CA 2020051006W WO 2021012045 A1 WO2021012045 A1 WO 2021012045A1
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WO
WIPO (PCT)
Prior art keywords
vortex tube
working fluid
vortex
hot end
tube
Prior art date
Application number
PCT/CA2020/051006
Other languages
English (en)
Inventor
Amanjot Singh
Original Assignee
Nex Flow Air Products Corp.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nex Flow Air Products Corp. filed Critical Nex Flow Air Products Corp.
Priority to US17/629,118 priority Critical patent/US20220275977A1/en
Priority to CA3148276A priority patent/CA3148276A1/fr
Priority to EP20844316.8A priority patent/EP4004459A4/fr
Publication of WO2021012045A1 publication Critical patent/WO2021012045A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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

Definitions

  • the present invention relates to a cooling system comprising a vortex tube and methods of using the cooling system.
  • Cold air is typically generated using traditional air conditioning systems. Cold air is used for spot or area cooling as well as for cooling electrical and electronic enclosures. The problem with traditional air conditioning systems. Cold air is used for spot or area cooling as well as for cooling electrical and electronic enclosures. The problem with traditional air conditioning systems. Cold air is used for spot or area cooling as well as for cooling electrical and electronic enclosures. The problem with traditional air conditioning systems.
  • refrigeration and air conditioning products is the use of chemical refrigerants which in the past have been ozone depleting. Newer materials have a much less effect on the ozone but now raise CO2 concerns.
  • the refrigerants now being developed address the CO2 concerns but they are flammable. In industrial environments this should be a concern especially in applications where electrical and electronic control panel air conditioning is
  • Vortex tubes have been used and continue to be used due to their compact nature.
  • Another application has been their use for air conditioning of control panels in industry where compressed air is available.
  • the main restriction in their use has been the need to use a gas, usually compressed air for their operation and the high compressed air volume necessary for the cooling produced restricting their use either due to energy cost or limited air supply.
  • vortex tube technology as a refrigeration/air conditioning device for spot cooling and for cooling enclosures such as electrical enclosures and control panels by producing a refrigerated air stream directed into the enclosure as well as for cooling tools in dry machining processes.
  • the vortex tube also known as the Ranque-Hilsch vortex tube, is a device that separates a compressed gas into hot and cold streams.
  • the device has no moving parts.
  • a pressurized gas is injected tangentially into a vortex generating chamber and accelerates to a high rate of rotation within the tube.
  • the air vortex created moves through the tube toward a hot end but a sufficient back pressure is developed to force some of the air toward the center of the tube and then back in the opposite direction towards a cold end. This back flow becomes cold as it passes through the vortex tube and it forms a cold airstream.
  • Known vortex tubes include a single or multi-slotted vortex generating piece called a generator.
  • the generator is inside of a chamber from which the air enters into the generator thru the slots to spin the incoming compressed air, and direct it up the long thin tube.
  • the way the spinning air behaved required a long hot end tube.
  • the ratio of the free volume in the cold end chamber to the volume of the generator is in the range of 1 to 1.5: 1 and this has been the consistent ratio in vortex tube designs since.
  • the present invention provides a system that addresses efficiency losses to achieve a vastly improved efficiencies of 30% or more as well as the ability to generate lower cold end temperatures with less energy.
  • the present invention provides a system that minimizes the losses attributed to the creation of the spinning action.
  • the system offers has an efficiency increase of a minimum of 20% to 80% over previous vortex tube designs depending on the various embodiments.
  • the heat sink design and hot end exhaust is configured such that the heat sink never becomes too hot to the touch.
  • the temperature is very minimal.
  • the system is relatively quiet because the system is adaptable for producing little or no exhaust from the hot end.
  • a vortex tube having a cold end volume to the generator volume ratio of between 2 to 5 : 1.
  • a vortex tube having a sidewall and a plug at the hot air end, the vortex tube configured to exhaust hot air out of the hot end between the sidewall and the plug, each of the sidewall and plug including contoured surfaces sufficient for creating a Coanda effect which mixes the surrounding air with the exhausted hot air and moving the mixed air over the exterior of the hot air end to cool the tube, wherein the sidewall includes one or more features on the outside surface for increasing the surface area.
  • the plug is a conical plug and has an angle of 30 degrees to 75 degrees, or preferably 45 to 60 degrees.
  • a vortex tube having a plug at the hot air end, the plug comprising an opening configured to draw in atmospheric air towards the cold end to increase the volume of the cold air.
  • a vortex tube including a conical brake at the hot end, the brake secured to the sidewall of the tube at the hot end with its conical tip pointed towards the cold end, the brake includes a plurality of exhaust passages radially spaced outwards from the longitudinal center of the brake and the conical tip is configured to direct any hot air to the sidewalls of the tube and up and through the body of the brake; and a plug secured over the brake at the end opposed to the conical tip and over the exhaust passages, wherein the plug is configured to direct hot air, that has exited the body of the brake via the exhaust passages, through an opening between the plug and the brake and out the hot end of the tube.
  • a vortex tube for separating a working fluid into a first working fluid and a second working fluid
  • the vortex tube comprising : a hot end; a cold end opposed to the hot end; a vortex generator between the hot end and the cold end, the vortex generator configured to receive a working fluid
  • the vortex generator comprising : a vortex chamber including a bottom wall defining a bore therethrough; and a plurality of channels configured to direct the working fluid into the vortex chamber, wherein one or more of the bottom wall and the plurality of channels are configured to direct the working fluid in a vortex motion to form a first toroidal moving away from the vortex chamber and towards the hot end; and wherein a first working fluid exits the hot end and a second working fluid is turned away from the hot end and flows through the bore to exit the cold end.
  • the one or more of the bottom wall and the plurality of channels are at an angle of about ⁇ 6 degrees from the horizontal. In one aspect, the angle is about 1.93 degrees from the horizontal. In one aspect, the one or more of the bottom wall and the plurality of channels are configured to direct the working fluid in the vortex motion out and towards the wall of the tube so as to reduce mixing between with the second working fluid flowing in an inner area away from the wall of the tube.
  • the inner diameter of the vortex tube increases in a direction moving away from the vortex generator and towards the one or more of the hot end and the cold end.
  • the vortex tube further comprises an end plug coupled to the hot end of the vortex tube, the end plug comprising : a body, the body comprises a lower portion configured to separate the working fluid into the first working fluid and allow the exit of the first working fluid from the vortex tube through an exit aperture formed between the body and the wall of the vortex tube and into the second working fluid and direct the second working fluid away from the hot end and towards the cold end.
  • the interior wall at the hot end defines a plurality of circumferentially disposed slots for channeling the first working fluid between the lower portion and the wall of the vortex tube.
  • the plurality of circumferentially disposed slots are semi-circular.
  • the thickness of the interior wall at the hot end along the length of plurality of circumferentially disposed slots is sufficiently thin to promote dissipation of thermal energy.
  • the width and/or length of the plurality of circumferentially disposed slots is
  • the body further comprises cap with an outer perimeter having a contoured surface configured to draw air surrounding the vortex tube for mixing with the first working fluid exiting from the vortex tube and to cling to outer wall of the vortex tube and thereby reducing the temperature of the hot end of the vortex tube.
  • the contoured surface forms an angle of about 45 degrees from the horizontal.
  • the end plug is axially moveable in relation to the vortex tube to adjust the diameter of the exit aperture formed between the end plug and the vortex tube.
  • the diameter of the exit aperture formed between the end plug and the vortex tube is adjustable to limit the exhaust from the hot end to about 0.5% to about 30% of the total amount of working fluid directed into the vortex generator.
  • the diameter of the exit aperture formed between the end plug and the vortex tube is adjustable to limit the exhaust from the hot end to about 0.5% to about 30% of the total amount of working fluid directed into the vortex generator.
  • the vortex tube further comprises a heat sink disposed at the hot end, the heat sink comprising a plurality of spaced apart fins disposed along the wall at the hot end and configured to dissipate thermal energy generated within the interior of the vortex tube away from the wall.
  • the plurality of spaced-apart fins extend outwardly about the longitudinal center of the vortex tube.
  • each of one the plurality of spaced-apart fins comprises a contoured surface configured to flow the combined air away from the hot end and towards the cold end.
  • the contoured surface is a rounded surface.
  • the contoured surface of an end fin adjacent to the end of the hot end defines a second contoured surface that is co-linear with the contoured surface of the cap and is configured to draw air surrounding the vortex tube for mixing with the first working fluid exiting from the vortex tube.
  • the end plug defines an air channel configured to move the surrounding air into the interior of the vortex tube and in the direction of the cold end to increase the volume of the second working fluid exiting the cold end.
  • the air channel is about 2% to about 20% of the diameter of the vortex tube at the hot end.
  • the vortex tube further comprises a liquid cooling vessel disposed between the end plug and the wall of the vortex tube and sealingly secured to the vortex tube to enclose the hot end, the liquid cooling vessel including a liquid inlet and a liquid outlet for delivery and removal, respectively, of a cooling liquid used to cool the hot end.
  • the cap is removably coupled to the lower portion, and the lower portion defines a plurality of circumferentially disposed exhaust passages for channeling the first working fluid through the lower portion and then out of the vortex tube.
  • the cap comprises an elongate connecting member and the lower portion defines a slot configured to receive the elongate connecting member.
  • the cap and the lower portion are threadably coupled .
  • the vortex tube further comprises a delivery tube couplable to the cold end for spot cooling.
  • the delivery tube is a flexible delivery tube.
  • an assembly for a panel cooler comprising a vortex tube of the present disclosure; and a housing dimensioned to surround the hot end of the vortex tube, the housing including one or more seals configured to allow movement of gas out of the housing and to prevent movement of water into the housing ;
  • the vortex tube further comprises a back pressure exit port at the cold end configured to route back pressure out of the panel cooler and out to the atmosphere.
  • a vortex tube for separating a working fluid into a first working fluid and a second working fluid
  • the vortex tube comprising : a hot end; a cold end opposed to the hot end ; a vortex generator between the hot end and the cold end, the vortex generator configured to receive a working fluid, the vortex generator including a bottom wall defining a bore therethrough and configured to direct the working fluid in a vortex motion to form a first toroidal moving away from the vortex chamber and towards the hot end ; and an end plug coupled to the hot end of the vortex tube, the end plug comprising : a body, the body comprises a lower portion configured to separate the working fluid into the first working fluid and allow the exit of the first working fluid from the vortex tube through an exit aperture formed between the body and the wall of the vortex tube and into the second working fluid and direct the second working fluid away from the hot end and flows through the bore to exit the cold end.
  • a vortex tube for separating a working fluid into a first working fluid and a second working fluid
  • the vortex tube comprising : a hot end; a cold end opposed to the hot end ; a vortex generator between the hot end and the cold end comprising a vortex chamber comprising a bottom wall defining a bore therethrough, the vortex chamber configured to receive a working fluid and direct the working fluid in a vortex motion to form a first toroidal moving away from the vortex chamber and towards the hot end; and an end plug coupled to the hot end of the vortex tube, the end plug comprising : a body, the body comprises : a lower portion configured to separate the working fluid into a first working fluid and into a second working fluid and directing the second working fluid away from the hot end and through the bore to exit the cold end ; a plurality of circumferentially disposed exhaust passages for channeling the first working fluid separated by the lower portion through the body; and one or more exhaust ports for exhausting the first
  • the body further comprises cap with an outer perimeter having a contoured surface configured to draw air surrounding the vortex tube for mixing with the first working fluid exiting from the vortex tube and to cling to outer wall of the vortex tube and thereby reducing the temperature of the hot end of the vortex tube.
  • the contoured surface comprise a convex surface.
  • the contoured surface further comprises an angle of about 45 degrees from the horizontal.
  • the plurality of circumferentially disposed exhaust passages comprise an inlet arranged so that the first working fluid enters into the body at an angle about perpendicular to the longitudinal axis of the tube.
  • the end plug is axially moveable in relation to the vortex tube to adjust the diameter of the one or more exhaust ports.
  • the diameter of the one or more exhaust ports is adjustable to limit the exhaust from the hot end to about 0.5% to about 30% of the total amount of working fluid directed into the vortex generator.
  • the diameter of the one or more exhaust ports is adjustable to limit the exhaust from the hot end to about 0.5% to about 30% of the total amount of working fluid directed into the into the vortex generator.
  • the vortex tube further comprises an air inlet chamber substantially surrounding the vortex chamber and in fluid communication with the vortex chamber, wherein the vortex chamber comprises concave walls so as to increase the volume of the air inlet chamber.
  • FIG. 1 is a cross sectional view of a vortex tube in accordance with an embodiment of the invention.
  • FIG. 2a is a perspective view of the vortex tube in figure 1;
  • FIG. 2b is a top view of the of the vortex tube as shown in figure i ;
  • Fig. 3a is a side view of a vortex generator in accordance with an embodiment of the invention.
  • Fig 3b is a cross section of the vortex generator alone the line 3b-3b in figure 3a;
  • Fig 3c is top view of the vortex chamber in accordance with an embodiment of the invention.
  • Fig 4 is a side view of an end plug in accordance with an embodiment of the invention.
  • Fig. 5a shows a side view of the heat sink in accordance with an embodiment of the invention
  • FIG. 6a shows features of the end plug and heat sink of inset A in figure 1 in accordance with an embodiment of the invention
  • Fig. 9b shows features of inset C in figure 9a showing portions of a heat sink in accordance with an embodiment of the invention
  • Fig. 10 is a cross sectional view of a vortex tube for use in cooling an enclosure in accordance with an embodiment of the invention
  • Fig. 11 is a cross sectional view of a vortex tube configured for liquid cooling in accordance with an embodiment of the invention
  • Fig. 12b shows features of inset C in figure 12a
  • Fig. 12d is a top view of the brake of figure 12c;
  • Fig. 12e is a cross section along the line 12e-12e of figure 12c;
  • Fig. 12f is a side view of the plug of figure 12a;
  • Fig. 13a is a cross sectional view of an adjustable exhaust plug and brake for use in cooling an enclosure in accordance with an embodiment of the invention
  • Fig. 13b shows features of inset C in figure 13a
  • Fig. 13c is a side view of the brake of figure 13a;
  • Fig. 13d is a top view of the brake of figure 13c;
  • Fig. 13e is a cross section along the line 13e-13e of figure 13c;
  • Fig. 13f is a side view of the plug of figure 13a;
  • Figs. 14a and 14b show a cross sectional view and a
  • FIG. 14c, and 14d show a cross sectional view and a
  • Fig. 15a is a side view of a vortex tube in accordance with an embodiment of the invention.
  • Fig. 15b is a cross sectional view of along the line 15b-15b of figure 15a;
  • Fig. 15c is a perspective view of a plug in accordance with an embodiment of the invention shown in isolation;
  • Fig. 15d is a side partially transparent view of the plug
  • Fig. 16a is a side view of the vortex generator of the vortex tube of figure 15a in accordance with an embodiment of the invention.
  • Fig. 16b is a cross section view along the line 16b-16b of figure 16a.
  • a vortex tube 10 which is generally an elongated tube having a hot end 12 and an opposed cold end 14. Disposed between the hot end 12 and the cold end 14 is a vortex generator 20 comprising a vortex chamber 22 and an air inlet chamber 24 having an inlet 26 having a cold air volume.
  • the vortex chamber 22 and the air inlet chamber 24 are fluidly connected by a plurality of channels 28 tangentially disposed about the circumference of the vortex chamber 22 and configured to flow a working fluid (such as a compressed gas) from the air inlet chamber 24 into the vortex chamber 22.
  • the vortex chamber 22 includes a bottom wall 30 defining an exit aperture 32.
  • the vortex generator 20 is configured to direct the working fluid in a vortex motion to form a first toroidal moving away from the vortex chamber 22 and towards the hot end 12 along a length (L) the vortex tube 10 having a diameter (D) at its thickest point.
  • L length
  • D diameter
  • the hot end tube 34 can have an inner diameter which increases from its narrowest width (d) near the vortex generator 20 and to its widest with (D) near the hot end 12.
  • the working fluid imparted with a toroidal motion flows through the hot tube 34 and near the hot end 12 is then caused to separate into a first working fluid stream and into a second working fluid stream.
  • the first working fluid then exits the hot end 12 and the second working fluid which has as lower relative temperature is turned away from the hot end 12 and then flows against the flow of the working fluid in an inner lower pressure area and then through the exit aperture 32 of the vortex chamber 22 and flows into a cold end tube 36 before exiting the cold end 14.
  • Cold end tube 36 can have an inner diameter which increases from its narrowest width (d') near the vortex generator 20 and to its widest with (D') near the cold end 14.
  • the flaring of the hot end tube 34 allows for control in the spinning action as the first working fluid moves within the hot end tube 34 towards the hot end 12.
  • the flaring of the cold end tube 36 increases the velocity of the second working fluid.
  • the tapering of the hot end tube 34 and/or of the cold end tube 36 can be accomplished using a tapered sleeve or the tapering can be built into the vortex tube 10. The reduction of back pressure and pressure loss allows for a dramatic increase in spinning velocity and momentum.
  • the shape of the generator 20 is such that it allows more volume to be in the cold end chamber 24 which minimizes the pressure loss thereby creating a faster spin and this drives the temperature lower.
  • the cold end volume of the air inlet chamber 24 is increased to a minimum of two times the volume of the generator 20 (as shown using shading) compared to the old vortex tube designs.
  • the cooling effect would be increased drastically and that the length (L) of the hot end tube 34 could be reduced by about 20% to 40% and thus eliminating the requirement for a brake.
  • the volume of the hot end tube 34 is approximately 60% less than the known designs and consequently the length (L) can be much shorter. Without being limited to any particular theory, it is believed that such modification was able to change the spinning action inside the vortex tube 10 with the larger volume of the cold end chamber 24.
  • an improved vortex generator 20 is configured such that a high pressure spinning toroidal air flow is produced through channels 28 at a specific toroidal diameter D g within the vortex chamber 22 in the generator 20 and the actual air consumption is dependent on the depth of the channels 28 and the range of suitable dimensions is dependent on the vortex tube size.
  • the toroidal diameter D g and the volume of vortex chamber 22 is dependent on the volume of the incoming air flow through the generator channels 28 as well as the pressure.
  • the volume of the hot end tube 34 is in a range of about 10 to about 15 times the sum of the volume of the generator channels 28 and this range depends on the pressure of gas entering the vortex generator 20.
  • the diameter of the hot end tube to the inside diameter of the generator D g where the air is spinning should be in the range of about 1.5 : 1 to about 2 : 1.
  • the vortex tube 10 further comprises an end plug 40 and a hot end air release system that allows the hot end waste air to blow back down over the hot end 12 of the vortex tube 10 utilizing the Coanda effect.
  • this change achieves 0°C to -10°C cold end temperature by exhausting only 5 to 8% of the compressed air initially compared to 20% to 30% needed in current designs. As well, since the air flowing out of the hot end 12 follows a coanda profile, this greatly reduces the noise level as the hot air mixes with entrained ambient air.
  • plug 140 can also be used in combination with a heat sink 50 (as described below) and in panel cooler applications (not shown), where the cold air outlet, however, could be more susceptible to
  • the number of channels 60, and exhaust holes and/or the dimensions of the channels 60 and exhaust holes are configured to allow for sufficient flow of hot gas under a controlled backpressure and maximize heat buildup.
  • the length of the channels are sufficiently long enough to be able to adjust the amount of gas released to the outside from the holes, but short enough to concentrate the heat buildup.
  • sidewall 57 is thin in the area of the exhaust channels 60 such that heat from the hot air within the channels 60 can be conducted into and through the sidewall 57.
  • the tube 10 is made from a material that has sufficient strength to maintain the integrity of the sidewall 57 at least around the area of the channels 60 and exhaust unit.
  • the heat sink 50 is dimensioned and configured to remove heat with a starting temperatures of 60 C to 450 C as quickly as possible without retaining that heat within the heat sink 50 and fins 52 .
  • This heat sink design only 0.5% to 10% of the compressed air is exhausted at the hot end 12 compared to 20% to 30% in original vortex tube designs to achieve a cold end temperature between 0°C to -5°C. This translates to a significant energy reduction in cooling in the range of 50%.
  • the sufficiently sized heat sink 50, with the angles on the layered fins 52, and the Coanda effect move the hot air exhausted out of the hot end 12 and down over the heat sink 50 with the entrained air removes heat effectively away from the vortex tube 10.
  • NEMA 4 National Electrical Manufacturer Association
  • the spray test is where water is blasted for 12 seconds from a fire hose at the panel cooler and will result in a pass if no water gets inside the panel.
  • NEMA 12 and NEMA 3R there is no need for seals as it is basically a water mist test only.
  • the present disclosure provides a device that is suitable for use with liquid cooling and/or air cooling.
  • a system comprising a vortex tube 10 and a liquid cooling vessel 90 having a liquid inlet 92 and a liquid outlet 94, the vessel 90 configured to carry liquid over the fins 52 to direct heat away from the fins 52.
  • the vessel having a portion 94 disposed between the plug and the wall of the hot end 12 of the tube 10.
  • the system being configured to allow some hot air (e.g. about 1%) or in some embodiments, no hot air, to leave the hot end 12 between the vessel and the plug, where the amount of hot air can be controlled by the adjustment of the distance 96 (i.e. gap distance) between the plug 40 and the vessel 90.
  • the vortex tube 10 is able to produce temperatures at the cold end in the range of 0 C to -5 C when the hot end 12 was fully closed (no hot end exhaust).
  • system 200 and brake 240 includes a conical tip 248.
  • the brake 240 can be secured to the sidewall of the tube 10 at the hot end 12 with its conical tip 248 pointed towards the cold end.
  • Brake 240 includes a plurality of exhaust passages 250 radially spaced outwards from the longitudinal center of the brake 240 and the conical tip is configured to direct any hot air to the sidewalls of the tube 10 and up and through the body of the brake 240.
  • a plug 244 is secured over the brake 240 at the end opposed to the conical tip and over the exhaust passages 250.
  • the plug is configured to direct hot air, that has exited the body of the brake 240 via the exhaust passages 250, through a controlled opening 260 between the plug and the brake 240 and out the hot end 12 of the tube 10.
  • the hot air that has exited this controlled opening 260 is subjected to a coanda effect created, for example, by the combination of the contours of the outer perimeter 262 of the plug 244 and the sidewall 264 of the tube 10 at the hot end 12.
  • the sweeping coanda angle at the outer perimeter 262 and the sidewall 264 permits surrounding air to carry hot air away from the hot end 12 of the tube 10 which cools this end of the tube 10.
  • the sweeping coanda angle is about 45 degrees from the horizontal.
  • vortex tube 10 coolers have exit cold air temperatures close to zero degrees C because of dew point concerns.
  • the vortex tube 10 of the present disclosure eliminates this dew point caused condensation, and thereby offers the potential to double the cooling effect for a given unit air consumption.
  • the overall effects reduce energy costs significantly.
  • the vortex tube 10 of the present disclosure uses only compressed air and no ozone depleting chemicals, not even new ozone safe chemicals that can be flammable. There is the potential for improved safety and efficiency in industry and is better for the environment.
  • the hot end 12 is configured to receive a hot end muffler.
  • One or more seals 372 between the interior of the tube 10 and the plug 340 are provided to seal the interior of the tube from the outside.
  • a vortex generator 320 having sidewalls 322 which are contoured with an concave shape so that chamber 24 - which surrounds the sidewalls 322 - is provided with a larger interior volume for chamber 24.

Abstract

La présente invention concerne un tube à tourbillon pour séparer un fluide de travail en un premier fluide de travail et un second fluide de travail. Le tube à tourbillon comprend : une extrémité chaude ; une extrémité froide opposée à l'extrémité chaude ; un générateur vortex entre l'extrémité chaude et l'extrémité froide. Le générateur de tourbillons est configuré pour recevoir un fluide de travail et comprend : une chambre de tourbillon comprenant une paroi inférieure définissant un alésage à son travers ; et une pluralité de canaux conçus pour diriger le fluide de travail dans la chambre de tourbillon. Une ou plusieurs de la paroi inférieure et de la pluralité de canaux sont conçus pour diriger le fluide de travail dans un mouvement tourbillonnaire pour former un premier mouvement toroïdal à l'opposé de la chambre de tourbillon et vers l'extrémité chaude ; et un premier fluide de travail sort de l'extrémité chaude et un second fluide de travail est détourné de l'extrémité chaude et s'écoule à travers l'alésage pour sortir de l'extrémité froide. La présente invention concerne également l'utilisation du tube à tourbillon pour le refroidissement de panneau et de spot.
PCT/CA2020/051006 2019-07-22 2020-07-21 Système de refroidissement de tuyau à tourbillon et son procédé d'utilisation WO2021012045A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/629,118 US20220275977A1 (en) 2019-07-22 2020-07-21 Vortex tube cooling system and method of using same
CA3148276A CA3148276A1 (fr) 2019-07-22 2020-07-21 Systeme de refroidissement de tuyau a tourbillon et son procede d'utilisation
EP20844316.8A EP4004459A4 (fr) 2019-07-22 2020-07-21 Système de refroidissement de tuyau à tourbillon et son procédé d'utilisation

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Application Number Priority Date Filing Date Title
US201962876936P 2019-07-22 2019-07-22
US62/876,936 2019-07-22
US202062987070P 2020-03-09 2020-03-09
US62/987,070 2020-03-09

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US (1) US20220275977A1 (fr)
EP (1) EP4004459A4 (fr)
CA (1) CA3148276A1 (fr)
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USD966364S1 (en) * 2020-09-04 2022-10-11 Nex Flow Air Products Corp. Vortex tube

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EP4004459A4 (fr) 2023-08-02
US20220275977A1 (en) 2022-09-01
CA3148276A1 (fr) 2021-01-28

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