EP2510816B1 - Appareil de refroidissement personnel - Google Patents

Appareil de refroidissement personnel Download PDF

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Publication number
EP2510816B1
EP2510816B1 EP12164308.4A EP12164308A EP2510816B1 EP 2510816 B1 EP2510816 B1 EP 2510816B1 EP 12164308 A EP12164308 A EP 12164308A EP 2510816 B1 EP2510816 B1 EP 2510816B1
Authority
EP
European Patent Office
Prior art keywords
proximate
outer layer
plenum
air plenum
primary air
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.)
Not-in-force
Application number
EP12164308.4A
Other languages
German (de)
English (en)
Other versions
EP2510816A2 (fr
EP2510816A3 (fr
Inventor
Thomas J. Stapleton
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.)
Hamilton Sundstrand Space System International Inc
Original Assignee
Hamilton Sundstrand Space System International Inc
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 Hamilton Sundstrand Space System International Inc filed Critical Hamilton Sundstrand Space System International Inc
Publication of EP2510816A2 publication Critical patent/EP2510816A2/fr
Publication of EP2510816A3 publication Critical patent/EP2510816A3/fr
Application granted granted Critical
Publication of EP2510816B1 publication Critical patent/EP2510816B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention is directed to a personal cooling apparatus, and more particularly, example embodiments of the present invention are directed to a personal cooling vest configured to enhance sensible and latent heat transfer from a user wearing the vest.
  • Heat stress is a symptom of excessive heat exposure which may lead to loss of the ability to function effectively (e.g., disruption of cognitive thought), to unconsciousness, and to critical or full body failure.
  • Military personnel in particular are affected in hot environments due to additional clothing and personal protection which are generally employed.
  • Conventional systems for personal cooling involve complex liquid circulation systems which typically aim to exchange heat with a wearer through complex tubing.
  • Other systems employ ice-packs or other precooled means.
  • a wearable personal cooling apparatus having the features of the preamble of claim 1 is disclosed in US 2010/242147 A1 .
  • Example embodiments of the present invention provide a personal cooling vest which greatly enhances the transfer of heat from a user to effectively reduce the user's core temperature. In this manner, the user benefits through increased ability to withstand hot environments. Further benefits include a more distributed pattern of pressure impinging upon a user when wearing addition material, armor, backpacks, etc upon the vest. According to example embodiments, the personal cooling vest augments sensible and latent heat transfer for better personal cooling. Sensible heat transfer occurs if supply air is below the user's skin surface temperature. Latent heat transfer occurs by evaporating perspiration from the user's body.
  • the personal cooling vest 100 is designed to receive ambient air supplied by a fan, or to receive conditioned air supplied by an external cooling device through a supply opening near the waistline 101.
  • the ambient or conditioned air enters a primary plenum at the waistline 101 and flows upwards across the torso.
  • the primary plenum consists of a number of vent holes distributing the air at an optimal velocity.
  • the air flow then enters a matrix material that surrounds the torso.
  • the air moves through two different mediums to cool the user.
  • the stretchable outer vest material 201 holds the matrix close to the users body so that the air may not channel, but rather be forced to travel through the intended plenums.
  • the surrounding air is at 100% relative humidity, or fully saturated with water, as it warms it is enabled to accept vaporized perspiration from the user.
  • the air exits past the user's body at a neck portion 103 and under the user's arms at portions 102, 104. This exit air is directed to increase the cooling area, thus further enhancing cooling. All of these components reside within the stretchable vest that holds the aforementioned matrix against the user's body, not allowing the air to channel to the exit without proper cooling flow.
  • FIG. 2 depicts an alternate configuration of the personal cooling vest 100, according to an example embodiment.
  • waste heat is recycled in a closed fashion.
  • the closed system shares all of the above components, further including a seal configured to prohibit air from leaving the vest at the underarm portions 102, 104.
  • additional sealing functionality may be provided by a waist-band draw-string or other means to prohibit leakage in the waist area of the vest 100.
  • the exit air is collected at the user's neck through portion 103 and recycled through supporting cooling systems. Capturing this air allows some cooling systems to achieve higher efficiency.
  • the vest may be worn beneath sealed garments configured to protect a user from the external environment, such as a HAZMAT suit.
  • the personal cooling vest 100 may provide enhanced cooling thereby allowing a user to survive hostile environments (e.g., nuclear-biological-contamination areas) where completely closed systems should be employed.
  • hostile environments e.g., nuclear-biological-contamination areas
  • example embodiments provide personal cooling vests which are configured to enhance both latent and sensible heat transfer through use of a matrix configured to promote turbulent air flow proximate a user's skin / torso. It should be noted, however, that warm air, as well as ambient temperature air, may be circulated to provide personal heating in some applications, for example, applications where a user is in a cold environment.
  • FIG. 3 depicts the personal cooling vest 100, according to an example embodiment.
  • the vest 100 includes the primary air plenum 204 arranged within a primary chamber 203.
  • the primary chamber 203 may be a sewn or bonded chamber comprised primarily of a flexible, stretchable outer vest material 201, proximate a matrix material 202.
  • the vest 100 further includes exit vents 205, 206, 207 arranged within the underarm and neck portions.
  • FIG. 4 a view of the interior portion of the vest 100, which would be proximate a user's torso when wearing the vest, is provided.
  • the vest 100 includes first, second, and third secondary air plenums 210, 211, 212 arranged within the matrix 202.
  • the secondary air plenums 210-212 are configured to deliver air more readily to these portions of a user's body.
  • the secondary air plenums 210, 211, and 212 are fed air from the primary plenum 204.
  • Each secondary air plenum 210, 211, and 212 comprises a plurality of plenum-portions 505.
  • the plenum portions 505 are configured to transmit air more readily than the surrounding matrix 202.
  • the plenum portions 505 may comprise fabric less dense than the surrounding matrix, tubes, tube-like pockets, or any suitable means to increase airflow relative to the surrounding fabric of the matrix 202.
  • ports 208 and 209 are arranged on the primary plenum 204, and configured to receive supply air from an external source.
  • flap 213 comprising sealing zipper 214 arranged on the vest 100.
  • the sealing zipper 214 may be a zipper configured to limit and/or reduce the flow of air there-through. Further, the flap 213 provides further closure/sealing to reduce the loss of internal air and promote internal circulation of the air.
  • An alternate design may include a fully closed vest with expansion folds, allowing the user to pull the garment over their head and avoid zipping.
  • the primary plenum 204 comprises a plurality of apertures 507 configured to distribute air supplied to the plenum 204 relatively evenly throughout the matrix 202. These apertures 507 may be arranged equidistant or relatively equidistant. Further, the matrix 202 includes a plurality of layers configured to distribute the supplied air to a torso of a user.
  • a first layer 502 is arranged to be proximate a user's skin.
  • the layer 502 may comprise any fabric allowing air to flow and pass there-through.
  • the first layer 502 is configured to disrupt localized air-flow in such a manner that any laminar flow is converted to more turbulent airflow. This turbulent flow is transmitted to the user such that localized turbulence is impingent on a user's torso.
  • the secondary air plenums' portions 505 are arranged within the matrix 202 proximate the first layer 502. Air plenums' portions 505 are configured at a substantially optimal distance from the users body to enhance impingment heat transfer and user comfort.
  • the outer, stretchable layer 201 is arranged proximate the matrix 202.
  • the layer 201 is arranged at a waistline 101 of the vest to surround the primary plenum 204, and affixed to the matrix 202 within the interior of the vest 100. Furthermore, a waist-band and/or waist-tie 509 may further facilitate positioning of the matrix 202 against a user's torso. As the layer 201 is generally or substantially impermeable with regards to air, air supplied from the primary plenum 204 is directed upwards through the matrix 202 and secondary plenums.
  • FIG. 6 depicts the primary air plenum 204 of the personal cooling vest 100, according to an example embodiment.
  • the plenum 204 may be tubular and may be arranged to wrap around a user's waist when arranged within the vest 100.
  • a first end 601 is configured to mate and/or seal with a second end 602. This may be facilitated through interlocking means, sliding means, or any other suitable means to secure the first end 601 to the second end 602 and maintain airflow therein.
  • this interlocking means may be a sliding mechanism as well to enable donning the garment.
  • FIG. 7 depicts a fan apparatus for use with the personal cooling vest, according to an example embodiment.
  • the fan apparatus 700 is configured to provide airflow to the primary plenum 204 through ports 708-709.
  • the fan apparatus 700 includes a housing 701 defining a fan assembly 702 and the ports 708-709.
  • the fan apparatus 700 may further include heat exchangers 703 and thermo-electric modules 704.
  • the fan apparatus 700 may reduce a temperature of air entering the fan assembly 702 before exiting the ports 708-709.
  • the fan apparatus 700 may supply ambient air without conditioning.
  • conditioned air may be provided to the primary plenum 204 from entirely external means, for example, from an umbilical line or piping providing conditioned or heated air from a vehicle, air-conditioning /filtration system, or any other suitable means.
  • FIGS. 8-9 provide stylized views of the same.
  • an adjustment means 901, 902 may be provided to reduce the proximity of the matrix 202 and a user's torso.
  • the adjustment means 901, 902 may comprise pleats and/or additional zippers.
  • a drawstring, elastic band, or waistline adjustment means 509 may be provided within or proximate chamber 203 to further enhance the form-fitting nature of the vest 100.
  • additional cushioning or positioning material 903 may be arranged within a lumbar or back portion of the vest 100 to position the matrix 202 proximate a user's skin to reduce uninterrupted air flow and further reduce process air channeling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Textile Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (15)

  1. Appareil portable de régulation de la température (100) comprenant :
    une couche extérieure (201), la couche extérieure comprenant du tissu proportionné et conçu pour envelopper une partie du corps de l'utilisateur ;
    un plénum d'air primaire (204) proche de la couche extérieure (201) ;
    une couche intérieure (502) proche de la couche extérieure (201) et en communication avec le plénum d'air primaire (204), la couche intérieure (502) étant conçue pour distribuer de l'air à partir du plénum d'air primaire (204) à travers une surface intérieure de la couche intérieure ; et
    un plénum d'air secondaire (210 ; 211 ; 212) disposé dans la couche intérieure (502) et en communication avec le plénum d'air primaire (204), le plénum d'air secondaire (210) comprenant une première extrémité proche du plénum d'air primaire (204) et une deuxième extrémité, et le plénum d'air secondaire (210 ; 211 ; 212) étant conçu pour diriger l'air à partir de la première extrémité jusqu'à la deuxième extrémité ;
    caractérisé en ce que :
    ledit plénum d'air secondaire comprend un premier plénum d'air secondaire (211) comprenant une première pluralité de parties de plénum (505) proches du dos de l'utilisateur et des deuxième et troisième plénums d'air secondaires (210 ; 212) comprenant des deuxième et troisième parties de plénum (505) respectives proches de la poitrine de l'utilisateur.
  2. Appareil selon la revendication 1, conçu comme un appareil de refroidissement personnel portable, dans lequel :
    ladite couche extérieure (201) comprend un tissu proportionné et conçu pour envelopper étroitement un torse humain.
  3. Appareil selon la revendication 2, dans lequel la couche extérieure (201) comprend une coupe de col proche d'une partie de cou du torse humain, la couche extérieure (201) comprenant en outre des première et deuxième découpes de bras proches des première et deuxième parties de bras du torse humain, la couche extérieure (201) comprenant en outre un évent de sortie de cou (207) disposé dans la coupe de col, et où la couche extérieure (201) comprend en outre des premier et deuxième évents de sortie de bras (205, 206) disposés dans les premières et deuxième découpes de bras ;
    le plénum d'air primaire (204) étant disposé près d'une partie de taille du torse humain ;
    la surface intérieure de la couche intérieure étant proche d'une surface extérieure du torse humain ; et
    la deuxième extrémité du plénum d'air secondaire (210) étant proche d'une zone de poitrine du torse humain.
  4. Appareil selon la revendication 1, 2 ou 3, comprenant en outre une fermeture éclair (214) disposée sur la couche extérieure (201), la fermeture éclair (214) étant conçue pour permettre la séparation et la fermeture de l'appareil.
  5. Appareil selon l'une quelconque des revendications précédentes, dans lequel le plénum d'air primaire (204) comprend au moins un orifice d'entrée (208, 209) conçu pour recevoir de l'air extérieur à l'appareil.
  6. Appareil selon la revendication 5, dans lequel l'orifice d'entrée (208, 209) pénètre dans la couche extérieure (201).
  7. Appareil selon la revendication 5 ou 6, comprenant en outre un appareil de ventilation (700) proche de l'au moins un orifice d'entrée (208, 209), l'appareil de ventilation (700) étant conçu pour forcer l'air extérieur vers l'appareil de refroidissement personnel pour s'écouler à travers le plénum d'air primaire (204).
  8. Appareil selon la revendication 5, 6 ou 7, dans lequel le plénum d'air primaire (204) comprend en outre une pluralité d'ouvertures (507) disposées à travers celui-ci, la pluralité d'ouvertures (507) étant proche de la couche intérieure (502), la pluralité d'ouvertures (507) étant éventuellement de taille uniforme et d'une séparation uniforme.
  9. Appareil selon l'une quelconque des revendications précédentes, dans lequel la couche intérieure (502) comprend une matrice de turbulence (202).
  10. Appareil selon la revendication 8, dans lequel la matrice de turbulence (202) est conçue pour interrompre un écoulement laminaire d'air et pour favoriser un écoulement turbulent d'air, la matrice de turbulence comprenant par exemple une pluralité de fibres individuelles disposées selon un motif de type matrice.
  11. Appareil selon l'une quelconque des revendications précédentes, comprenant en outre une chambre de plénum (203) entourant le plénum d'air primaire (204) et formée de la couche extérieure (201).
  12. Appareil selon la revendication 11, comprenant en outre un moyen d'ajustement (509) disposé dans la chambre de plénum (203).
  13. Appareil selon la revendication 12, dans lequel le moyen d'ajustement est un cordon ou une bande élastique (509).
  14. Appareil selon l'une quelconque des revendications précédentes, comprenant en outre des premier et deuxième moyens d'ajustement (901, 903), les premier et deuxième moyens d'ajustement étant conçus pour réduire les proportions de la couche extérieure (201).
  15. Appareil selon la revendication 14, dans lequel les premier et deuxième moyens d'ajustement sont des plis à fermeture éclair (901, 902) pratiqués dans la couche extérieure (201).
EP12164308.4A 2011-04-14 2012-04-16 Appareil de refroidissement personnel Not-in-force EP2510816B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/087,160 US20120260398A1 (en) 2011-04-14 2011-04-14 Personal cooling apparatus

Publications (3)

Publication Number Publication Date
EP2510816A2 EP2510816A2 (fr) 2012-10-17
EP2510816A3 EP2510816A3 (fr) 2015-04-22
EP2510816B1 true EP2510816B1 (fr) 2016-09-14

Family

ID=45999673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12164308.4A Not-in-force EP2510816B1 (fr) 2011-04-14 2012-04-16 Appareil de refroidissement personnel

Country Status (2)

Country Link
US (1) US20120260398A1 (fr)
EP (1) EP2510816B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6568611B2 (ja) * 2018-01-25 2019-08-28 帝人株式会社 衣服
US11950643B2 (en) * 2019-05-25 2024-04-09 Jason Robarts Cooling apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1239989A (en) * 1917-05-23 1917-09-11 Alfred H Wait Garment.
US4964282A (en) * 1989-12-07 1990-10-23 Wagner Christopher S Detachable bulletproof vest air conditioning apparatus
IT1246506B (it) * 1990-12-12 1994-11-19 Fimac Spa Indumento refrigerante, in particolare del tipo giubbotto o simile.
CA2051358C (fr) * 1991-09-13 1997-03-18 John Frim Dispositif de reglage de la chaleur
US6257011B1 (en) * 1999-09-16 2001-07-10 U T Battelle Llc Personal cooling apparatus and method
US6128784A (en) * 1999-12-02 2000-10-10 Frank; Ronald H. Self-ventilating cooling vest
US6993930B2 (en) * 2000-06-21 2006-02-07 Ralf Blackstone Air cooling device
IL145094A0 (en) * 2001-08-23 2002-06-30 Naaman Chibbi Personal air conditioning
US7716940B2 (en) * 2004-08-06 2010-05-18 Gore Enterprise Holdings, Inc. Gas distribution garment having a spacer element
DE102006060990B4 (de) * 2006-12-20 2010-01-07 Entrak Energie- Und Antriebstechnik Gmbh & Co. Kg Kleidungsstück zur Personenklimatisierung
US8281609B1 (en) * 2008-03-14 2012-10-09 Rothschild Jesse B Man portable micro-climate
US20100138974A1 (en) * 2008-12-08 2010-06-10 Carrington Brunsie C Adjustable garment
WO2013181398A2 (fr) * 2012-05-31 2013-12-05 Safariland, Llc Module refroidissant

Also Published As

Publication number Publication date
EP2510816A2 (fr) 2012-10-17
EP2510816A3 (fr) 2015-04-22
US20120260398A1 (en) 2012-10-18

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