EP1569534B1 - Kühlvorrichtung für bekleidungstücke - Google Patents

Kühlvorrichtung für bekleidungstücke Download PDF

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Publication number
EP1569534B1
EP1569534B1 EP02793316A EP02793316A EP1569534B1 EP 1569534 B1 EP1569534 B1 EP 1569534B1 EP 02793316 A EP02793316 A EP 02793316A EP 02793316 A EP02793316 A EP 02793316A EP 1569534 B1 EP1569534 B1 EP 1569534B1
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EP
European Patent Office
Prior art keywords
gas
covering
cooling
cooling system
reservoir
Prior art date
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.)
Expired - Lifetime
Application number
EP02793316A
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English (en)
French (fr)
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EP1569534A1 (de
Inventor
Savino Luca Dantone
Massimo Pisani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dorimi Srl
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Dorimi Srl
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Filing date
Publication date
Application filed by Dorimi Srl filed Critical Dorimi Srl
Publication of EP1569534A1 publication Critical patent/EP1569534A1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
    • A41D13/0053—Cooled garments
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using layered materials
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/26—Refrigerating devices for cooling wearing apparel, e.g. garments, hats, shoes or gloves

Definitions

  • the present invention relates to a cooling system particularly suitable for cooling garments and items of clothing in general, especially in hot climatic conditions.
  • the problem underlying the present invention is that of making available a cooling system for items of clothing in general which remedies the drawbacks cited with reference to the prior art.
  • a cooling system for cooling by expansion of gas into the atmosphere according to the invention is indicated generally by 1.
  • the reference 4 indicates generally a reservoir containing a pressurized gas, arranged for containing and storing a compressed gas and which may be of any shape and dimension depending on the desired autonomy of the cooling system of the present invention, and also on the space available.
  • the reservoir 4 has an outlet passage 6 through which the gaseous substance contained therein can come out.
  • a delivery valve 8 which controls and regulates the emergence of the compressed gas from the reservoir 4 through said outlet passage 6.
  • said delivery valve 8 can be disconnected from said reservoir 4, so as to permit the substitution of the reservoir itself.
  • the delivery valve 8 may be manually operated, but preferably may be operated automatically, for example by a thermostat which actuates it in response to a predetermined temperature, or at predetermined time intervals or according to programmed times.
  • the reservoir 4 also comprises at least one inlet valve 9, for permitting the filling and recharging of the reservoir following its partial or total emptying.
  • said system comprises a covering 10.
  • Said covering 10 consists of a fabric such as to render the covering 10 flexible and capable of containing a compressed gas.
  • covering there is to be understood any container suitable for receiving a compressed gas and containing it.
  • it may be constituted for example by two layers connected to each other and which enclose an air gap, but also by a layer of material having internal porosities in fluid communication with one another so as to allow the gas, by filling such porosities, to be contained in the overall volume bounded within the layer itself.
  • Said covering 10 advantageously comprises an inlet opening 14 arranged for allowing the passage or flow of a gas, or capable of permitting the introduction of a gas inside the covering.
  • connection means 18 arranged for allowing a flow of gas from said reservoir 4 to said covering 10.
  • connection means 18 connect the outlet passage 6 of the reservoir 4 with the inlet opening 14 of the covering 10.
  • connection means 18 comprise a tube or pipe 20 having a non-return valve which allows a flow of gas in only one direction, or from the reservoir 4 to the covering 10, and prevents any flow of gas in the opposite direction, or from the covering 10 to the reservoir 4.
  • Said non-return valve may be mounted at any point on the connection means, but also on the reservoir 4 or on the covering 10, as long as it is downstream of the outlet passage 6 and upstream of the inlet opening 14.
  • Said covering 10 further comprises expulsion means 16, arranged for allowing the emergence of the gas from the covering itself.
  • said covering 10 is produced from a fabric which, overall, encloses a containment volume.
  • fabric is not intended to mean restrictively a woven structure of warp and weft, but more generally a sheet of flexible material capable of being folded, sewn or adhesively secured so as to form a covering which encloses a volume.
  • said covering 10 comprises portions 30 impermeable to the compressed gas which flows inwards through the inlet opening 14.
  • impermeable fabric in fact constitutes a kind of containment wall for the gas but also a kind of channelling for the gas.
  • the gas since it flows against the impermeable portion without passing through it, can be conveyed in a predetermined direction, as will be described more clearly hereinafter.
  • said expulsion means 16 of the covering 10 comprise at least one portion 34 permeable to the gas, or a portion which can be passed through by the gas itself.
  • said at least one permeable portion 34 when it is passed through by said gas, causes the gas to expand, flowing towards the external environment.
  • said covering comprises conveying means 38 for conveying said gas within the volume bounded by the covering itself.
  • conveying means 38 there are to be understood internal walls impermeable to the gas, which cannot be passed through by the latter and which therefore convey the gas along a predetermined path.
  • said conveying means 38 may also comprise stitching, carried out in such a way as not to be able to be passed through by the gas.
  • the gas can flow within the covering by following a path predetermined by the conveying means and, along this path, can advantageously expand gradually through the at least one permeable portion, coming out from the covering, in order then to be released into the external environment.
  • Another advantageous embodiment provides for the covering to be produced through a thickness of material having internal porosities, such as, for example, a thickness of foam or polymeric material.
  • the material advantageously comprises porosities that are open, or fluidly connected or communicating with one another and porosities that are closed, or isolated from one another, in other words, not communicating with one another.
  • the open porosities then allow an outflow of the gas, while the closed porosities constitute a barrier to the flow of gas and therefore provide means for conveying the gas.
  • the functioning of the cooling system discussed provides for the compressed gas in the reservoir to flow into the covering through the connection means which operate selectively.
  • the selectivity, manual or automatic, derives from the possibility of opening or closing the connection and therefore the flow of gas between the reservoir and the covering.
  • the gas along one or more points of the path, corresponding to the positions of the permeable portions of the expulsion means, emerges from the covering, expanding slowly and gradually. In this phase the gas then undergoes a further expansion with a consequent cooling effect.
  • gas expulsion means are not constituted by actual outflow openings, but by micro-holes or micro-porosities which slowly release the gas itself.
  • the expulsion means of the covering may be positioned in any required position on the covering.
  • they may be located at one or more points of the covering, so as to produce preferred flows of outflow of the gas, or they may be distributed substantially uniformly along one or more walls of the covering, so as to produce extended areas of outflow of the gas.
  • the gas must have physical characteristics such as to guarantee good cooling on expansion.
  • CO 2 gas is suitable for use.
  • a cooling system of the type described is particularly suitable to be used for the cooling of items of clothing in general.
  • any garment or object generally suitable for being worn by an individual such as, for example, jackets, trousers, shoes, gloves, bullet-proof vests, and also helmets for work, for motorcyclists or for sports use, and the like.
  • the covering 10 described above may advantageously constitute a cooling layer 50 for garments, cooling by gas expansion, and arranged to be connected to a reservoir 4 capable of storing a compressed gas, by way of connection means 18 to allow a flow of compressed gas from the reservoir 4 to said layer 50.
  • Said layer 50 comprises expulsion means 16 having at least one portion 34 permeable to said compressed gas, arranged to allow a flow of said gas towards the outside of said layer, in order to be released into the atmosphere.
  • a multi-layer fabric or structure 52 for garments comprising at least one cooling layer 50 of the type described.
  • Said cooling layer 50 is then constituted by a covering 10 as described previously, or comprising at least one inlet opening 14 fluidly connected to a reservoir of compressed gas and at least one portion permeable to the compressed gas.
  • the cooling layer 50 comprises an inner side 54 and, opposed thereto, an outer side 58.
  • the outer side 58 of the layer 50 there is to be understood the side of the layer 50 opposed to the part to be cooled, after putting on the item of clothing, and also opposed to the inner side 54.
  • the multi-layer structure 52 preferably comprises, adjacent to the cooling layer 50 and on the same side as the outer side 58, an insulating layer 62.
  • Said insulating layer 62 advantageously constitutes a barrier suitable for providing thermal insulation.
  • a layer of aluminium is advantageously suitable for the purpose.
  • the insulating layer 62 has the double function of preventing the heat from penetrating from the external environment to the object to be cooled, and at the same time of preventing the cooling gas from dispersing on the side opposite the side that is to be cooled.
  • a covering layer 66 adjacent to the insulating layer 62, on the opposite side from that of the cooling layer 50, there is a covering layer 66, suitable for covering the insulating layer 62.
  • Said covering layer 66 advantageously constitutes the outermost layer of the multi-layer fabric 52 and may adopt any required configuration, depending on the desired aesthetic appearance.
  • the covering layer 66 is detachable and is made of a washable material or fabric.
  • an inner layer 70 which is in direct contact with the part of the body or generally with the object to be cooled.
  • said inner layer 70 is detachable and washable.
  • the inner layer 70 is advantageously permeable to the gas, in order to allow the gas to come into direct contact with the part to be cooled.
  • the multi-layer fabric described comprising the cooling layer 50 connected to a compressed gas reservoir 4, is particularly suitable for producing a cooling fabric which can be used in various applications.
  • a cooling jacket 74 comprising the multi-layer cooling fabric 52 is produced.
  • the fabric comprises the inner layer 70, the cooling layer 50, the insulating layer 62 and the covering layer 66.
  • the jacket 74 has on a rear face 78 a cooling system of the type described, or comprising a compressed gas reservoir 4, an outlet passage 6, a delivery valve 8, connection means 18 which connect the reservoir to an inlet opening 14 located on the cooling layer 50 of the multi-layer fabric 52 of the jacket.
  • the inlet opening 14 is located in the top part of the rear face 78 of the jacket, or in proximity to a collar 80 of the jacket.
  • the cooling is actuated by way of a potentiometer located, according to one embodiment, on the rear face 78.
  • the multi-layer fabric 52 produces, as described previously, a first expansion of the compressed gas when the compressed gas flows from the reservoir to the cooling layer 50.
  • This expansion generates uniform cooling of the gas and therefore of the cooling layer, or a lowering of the temperature distributed uniformly in the volume bounded by the cooling layer 50.
  • the compressed gas undergoes a further expansion passing through the expulsion means 16, and in particular through at least one permeable portion 34.
  • expulsion means are preferably constituted by micro-porosities which release the gas slowly, and it generates a subsequent lowering of the temperature of the gas and therefore of the area adjacent to the permeable portions 34.
  • the expulsion means may therefore be positioned advantageously at the inner side 54 of the cooling layer 70, so as to face each other directly on the inner layer 70, or on the part to be cooled.
  • the production possibilities of the present cooling system are varied, since the multi-layer fabric 52, or at least the cooling layer 50, may advantageously be inserted into any item of clothing.
  • the multi-layer fabric may be inserted into a protective helmet, advantageously between the protective shell and the inner lining, advantageously providing the inlet opening 14 at the part of the helmet which faces the nape of the wearer's neck.
  • cooling layer is fluidly and selectively connected to the gas reservoir through the connection means described.
  • the reservoir is of small dimensions and is incorporated in the item of clothing itself, as in the case of the jacket.
  • the release of gas through the at least one permeable portion is gradual, or rather the expansion of the gas occurs very slowly and at the same time continuously.
  • the present invention makes it possible to remedy the drawbacks cited with..reference to the prior art.
  • the cooling system described is in the first place practical because it is light and portable.
  • the covering is of fabric, so that as well as light it is also remarkably flexible and non-rigid. In this way it does not rigidify the item of clothing with which it is associated and in no way limits the movements of the wearer.
  • a further advantage of the present invention is constituted by the simplicity of operation, not having any moving parts.
  • the system further guarantees good autonomy of operation, owing to the fact that the expansion of the gas occurs slowly and gradually, thus guaranteeing constant cooling with a limited consumption of compressed gas.
  • thermostatic regulating mechanism allows optimum management of the reserve of gas stored in the reservoir, significantly extending the autonomy of the system.
  • a reservoir of small dimensions permits an autonomy of the system such as to cover a working shift of several hours.
  • the system is of small dimensions, and owing also to the fact that the covering is not rigid, it is possible to mount it on varied items of clothing, avoiding the item itself becoming bulky or impractical in use.

Claims (15)

  1. Kühlsystem (1) für Bekleidungsstücke, das durch die Ausdehnung von Gas in die Umgebungsluft Kühlwirkung entfaltet, umfassend
    einen Behälter (4), der zum Speichern eines komprimierten Gases angeordnet ist und zumindest einen Austrittsdurchlass (6) für das genannte komprimierte Gas aufweist;
    eine Hülle (10), die zur Aufnahme des genannten komprimierten Gases angeordnet ist und zumindest eine Eintrittsöffnung (14) für das genannte kompri-mierte Gas aufweist;
    Verbindungsmittel (18), die so angeordnet sind, dass sie ein Strömen des Ga-ses von dem genannten Behälter (4) zu der genannten Hülle (10) ermögli-chen;
    wobei die genannte Hülle (10) ferner Ausstoßmittel (16) umfasst, um das genannte Gas aus der genannten Hülle (10) auszustoßen,
    dadurch gekennzeichnet,
    dass die genannten Ausstoßmittel (16) zumindest einen für das genannte komprimierte Gas durchlässigen Abschnitt (34) umfassen, der so vorgesehen ist, dass ein allmähliches Strömen des genannten Gases zur Außenseite der genannten Hülle (10) hin ermöglicht wird, damit es durch Mikrolöcher oder Mikroporen, die das Gas selbst langsam freisetzen, in die Atmosphäre abge-geben kann,
    wobei das Kühlsystem eine Isolierschicht (62) umfasst, die an einer Außensei-te (58) der Hülle (10) entgegengesetzt zu einer dem zu kühlenden Teil zuge-wandten Innenseite (54) angeordnet ist,
    und die genannte Isolierschicht (62) eine Sperre darstellt, die als Wärmeisolie-rung geeignet ist, die verhindert, dass die Wärme aus der äußeren Umgebung zu dem zu kühlenden Teil vordringt und die verhindert, dass sich das kühlende Gas auf der Seite verteilt, die der zu kühlenden Seite entgegengesetzt ist.
  2. Kühlsystem nach Anspruch 1,
    wobei der genannte Behälter (4) ein Zufuhrventil (8) umfasst, das den Austritt des Gases aus dem Behälter (4) kontrolliert und reguliert.
  3. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei der genannte Behälter (4) zumindest ein Einlassventil (9) umfasst, das so angeordnet ist, dass es ein Befüllen und Nachfüllen des Behälters (4) ges-tattet.
  4. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei die genannte Hülle (10) biegeweich ist.
  5. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei die genannte Hülle (10) eine Reihe von steifen Hüllen umfasst, die strömungsfähig und biegeweich miteinander verbunden sind.
  6. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei die genannte Hülle (10) Abschnitte (30) umfasst, die für das kompri-mierte Gas undurchlässig sind.
  7. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei das genannte System (1) Fördermittel (38) umfasst, um das genannte Gas innerhalb der genannten Hülle (10) zu transportieren.
  8. Kühlsystem nach Anspruch 7,
    wobei die genannten Fördermittel (38) Wände (30) umfassen, die für das Gas undurchlässig sind.
  9. Kühlsystem nach Anspruch 7,
    wobei die genannten Fördermittel (38) Nähte umfassen, die für das Gas undurchlässig sind.
  10. Kühlsystem nach einem der Ansprüche 7 bis 9,
    wobei die genannten Fördermittel (38) eine serpentinenförmige innenliegende Leitung für das Gas bereitstellen.
  11. Kühlsystem nach einem der vorhergehenden Ansprüche,
    wobei das komprimierte Gas CO2 umfasst.
  12. Kühljacke (74), umfassend ein Kühlsystem nach einem der Ansprüche 1 bis 11 an einer rückseitigen Fläche (78), wobei die Jacke (74) einen Druckgasbe-hälter (4), einen Austrittsdurchlass (6), ein Zuführventil (8) sowie Verbin-dungsmittel (18) umfasst, die den Behälter mit einer Eintrittsöffnung (14) ver-binden, die an der kühlenden Schicht (50) der Jacke vorgesehen ist.
  13. Kühljacke (74) nach Anspruch 12,
    wobei die genannte Eintrittsöffnung (14) im oberen Teil der rückseitigen Flä-che (78) der Jacke vorgesehen ist.
  14. Kühljacke (74) nach Anspruch 12,
    wobei die Eintrittsöffnung (14) in der Nähe eines Kragens (80) der Jacke vorgesehen ist.
  15. Kühljacke (74) nach einem der Ansprüche 12 bis 14,
    wobei der Kühlvorgang mittels eines Potentiometers ausgelöst wird, der sich an der genannten rückseitigen Fläche (78) befindet.
EP02793316A 2002-11-14 2002-11-14 Kühlvorrichtung für bekleidungstücke Expired - Lifetime EP1569534B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2002/000724 WO2004043180A1 (en) 2002-11-14 2002-11-14 Cooling system for garments

Publications (2)

Publication Number Publication Date
EP1569534A1 EP1569534A1 (de) 2005-09-07
EP1569534B1 true EP1569534B1 (de) 2008-03-19

Family

ID=32310119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02793316A Expired - Lifetime EP1569534B1 (de) 2002-11-14 2002-11-14 Kühlvorrichtung für bekleidungstücke

Country Status (5)

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EP (1) EP1569534B1 (de)
AT (1) ATE389334T1 (de)
AU (1) AU2002358971A1 (de)
DE (1) DE60225732D1 (de)
WO (1) WO2004043180A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2277700B1 (es) * 2004-05-19 2008-05-16 Prendas Capricornio, S.L. Dispositivo para refrigerar un cuerpo.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934761C (de) * 1951-08-30 1956-04-19 Franz Mehlhart Hitze-Schutzkleidung
DE3531407A1 (de) * 1985-09-03 1987-03-12 Mansour Almassi Vorrichtung zum wenigstens teilweisen bedecken des menschlichen koerpers
DE3721736A1 (de) * 1987-07-01 1989-01-12 Hoelter Heinz Bergbaukuehljacke
CA2051358C (en) * 1991-09-13 1997-03-18 John Frim Heat control means
US5533354A (en) * 1994-09-20 1996-07-09 Texan Corporation Personal comfort apparatus
ES2141963T3 (es) * 1995-10-06 2000-04-01 Boye Paul Vetements Procedimiento y dispositivo frigorigenos.

Also Published As

Publication number Publication date
EP1569534A1 (de) 2005-09-07
DE60225732D1 (de) 2008-04-30
AU2002358971A1 (en) 2004-06-03
ATE389334T1 (de) 2008-04-15
WO2004043180A1 (en) 2004-05-27

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