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US20140216101A1 - Vehicle for the Refrigeration Transport of Products the Energy Consumption of which is Improved by Incorporating a Phase-Change Material into the Walls of the Vehicle Body - Google Patents

Vehicle for the Refrigeration Transport of Products the Energy Consumption of which is Improved by Incorporating a Phase-Change Material into the Walls of the Vehicle Body Download PDF

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Publication number
US20140216101A1
US20140216101A1 US14/241,770 US201214241770A US2014216101A1 US 20140216101 A1 US20140216101 A1 US 20140216101A1 US 201214241770 A US201214241770 A US 201214241770A US 2014216101 A1 US2014216101 A1 US 2014216101A1
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US
United States
Prior art keywords
phase
temperature
change material
vehicle
products
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.)
Abandoned
Application number
US14/241,770
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English (en)
Inventor
Thierry Dubreuil
Mohammed Youbi-Idrissi
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to L'Air Liquide, Société Anonyme pour l'Étude et l'Éxploitation des Procédés Georges Claude reassignment L'Air Liquide, Société Anonyme pour l'Étude et l'Éxploitation des Procédés Georges Claude ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YOUBI-IDRISSI, MOHAMMED, DUBREUIL, THIERRY
Publication of US20140216101A1 publication Critical patent/US20140216101A1/en
Abandoned legal-status Critical Current

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/105—Movable containers
    • 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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
    • B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/083—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled
    • F25D2303/0831—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled the liquid is disposed in the space between the walls of the container

Definitions

  • the present invention relates to the area of transport and the distribution of thermosensitive products, such as pharmaceutical products and foodstuffs.
  • Transporting products at a controlled and regulated temperature has become a major issue with regard to cold chain distribution, which is essential for maintaining the quality and viability of organic products, whether they are foodstuffs or drugs, vaccines, bio-samples, etc.
  • perishable foodstuffs are transported chilled or frozen (at a positive or negative temperature), whereas drugs and vaccines are transported chilled (at a positive temperature).
  • the transportation generally takes place between the place of production, storage or distribution sites and places of sale and/or consumption.
  • Chilled or frozen products are transported in refrigerated lorries. This transport is essentially dependent on “mechanical” methods of generating cold. It is also possible to use “cryogenic” solutions based on the use of liquid nitrogen or CO 2 as cold sources for maintaining positive (chilled) or negative (frozen) temperatures.
  • cryogenic solutions consist of “direct” injections into the interior of the chamber or chambers for storing the products (spray) or “indirect” injections (where cryogenic fluid is channelled from a cryogenic reservoir stored on the refrigerated lorry (generally underneath the lorry) to one or more heat exchangers located on the inside of the cold chamber or chambers of the lorry), are well known, but their penetration onto the market has been held back by the associated economic cost.
  • cryogen nitrogen or CO 2
  • the present invention therefore proposes a solution which makes it possible to recover at least a portion of the cold transferred to the walls for subsequent reuse during the operational phase of the lorry.
  • set point temperatures usually used in the transport industry it would be possible to have a set point temperature of 0 to 4° C. for the transport of chilled products, whereas set point temperatures of ⁇ 20° C. are used for the transport of frozen products, both of these set point temperatures can be used in two adjacent chambers of the same lorry.
  • a material is selected with a melting temperature of +8° C. for chilled transport and a melting temperature of ⁇ 10° C. for frozen transport.
  • the advantage of including such a material in the wall of the box is associated with its ability to store cold at the time of cooling the lorry (when starting up, or even after opening the door . . . ), and then restore it when the temperature of the box is higher than the melting temperature.
  • the latent melting/solidification heat then makes it possible to save a significant amount of primary energy (nitrogen or CO2 in the case of cryogenic solutions) and thus reduce the consumption thereof.
  • the present invention relates to a vehicle for the refrigerated transport of products, comprising at least one chamber for storing products, of the type where the cooling system used by the vehicle is cryogenic, by means of the direct or indirect injection of a cryogenic fluid into said at least one storage chamber, characterised in that:
  • the phase-change material is incorporated into all or a portion of half of the wall located on the side of the cold source (storage chamber side) and even more preferably into all or a portion of a third of the wall located on the side of the cold source.
  • FIG. 1 illustrates in cross section in its two views a ) and b ):
  • the start-up of the cooling system (either the direct or indirect injection of cryogenic fluid) makes it possible to lower the temperature of the air inside the chamber to the set point temperature, then to maintain this temperature enabling the regulation of the system.
  • the existing solutions for controlling the temperature of the internal air in the box storing the transported products use algorithms for controlling the opening/closing of valves supplying the injectors or the internal exchangers in the box with cryogen.
  • the doors After each delivery of one or more pallets the doors are open to the outside air and the temperature of the air inside the lorry rises and the cooling system has to supply the necessary refrigerating power to restore the set point temperature as quickly as possible to maintain the chain of cold.
  • the time necessary to reach the set point temperature when first starting up and after each opening of the door depends on several parameters, principally the maximum refrigeration power that the cooling system can supply but also the removal of the inner/outer temperature and the thermo-physical properties (in particular the conductivity) of the materials forming the walls of the lorry.
  • the walls of the lorry continue to absorb energy as their thermal inertia is much greater than air. Consequently, they only achieve equilibrium after several hours of lowering the temperature of the internal air in the lorry (this time is known in the industry as “pull down”).
  • a refrigeration lorry according to the invention which is formed integrally or partially by walls containing phase-change materials
  • the temperature in the walls also falls, in particular in the layer containing the phase-change material which will drop in temperature until it reaches its solidification temperature. Then the phase of storing energy is initiated in this material which is going to solidify progressively.
  • cryogen is introduced to lower the internal temperature of the chamber for storing products to the level of a required set point temperature (for example from 20-25° C. to a set point temperature of +4° C. for chilled products), either by means of a direct injection technique (spray) or an indirect injection technique (exchangers).
  • a required set point temperature for example from 20-25° C. to a set point temperature of +4° C. for chilled products
  • exchangers indirect injection technique
  • the storage of energy in the material will start before the set point temperature of the internal air in the chamber has been reached, and the partial or complete solidification of the material before the set point temperature of the internal air in the chamber has been reached is going to depend on different parameters, essentially on its thermo-physical properties (conductivity, specific heat) and the quantity of material used (mass), but it is preferable to select the correct amount of a suitable material so that the material is completely or almost completely solidified when the temperature has reached the internal set point temperature in the box.
  • phase-change material with a slightly higher melting temperature than the set point temperature of the desired air is very advantageous, since in contrast a material with melting temperature lower than the set point temperature would continue to store the energy during the maintenance phase (a useless process) and moreover, with each return to the set point temperature it would continue to consume energy as it would have the tendency to want to solidify naturally.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US14/241,770 2011-08-30 2012-08-02 Vehicle for the Refrigeration Transport of Products the Energy Consumption of which is Improved by Incorporating a Phase-Change Material into the Walls of the Vehicle Body Abandoned US20140216101A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1157655A FR2979297B1 (fr) 2011-08-30 2011-08-30 Vehicule de transport frigorifique de produits dont la consommation energetique est amelioree par l'incorporation d'un materiau a changement de phase dans les parois de la caisse
FR1157655 2011-08-30
PCT/FR2012/051824 WO2013030483A1 (fr) 2011-08-30 2012-08-02 Vehicule de transport frigorifique de produits dont la consommation energetique est amelioree par l'incorporation d'un materiau a changement de phase dans les parois de la caisse

Publications (1)

Publication Number Publication Date
US20140216101A1 true US20140216101A1 (en) 2014-08-07

Family

ID=46724529

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/241,770 Abandoned US20140216101A1 (en) 2011-08-30 2012-08-02 Vehicle for the Refrigeration Transport of Products the Energy Consumption of which is Improved by Incorporating a Phase-Change Material into the Walls of the Vehicle Body

Country Status (6)

Country Link
US (1) US20140216101A1 (fr)
EP (1) EP2750928A1 (fr)
JP (1) JP2014525560A (fr)
AU (1) AU2012300721A1 (fr)
FR (1) FR2979297B1 (fr)
WO (1) WO2013030483A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107839435A (zh) * 2017-11-14 2018-03-27 西南计算机有限责任公司 一种基于相变材料的车辆智能温控系统
US10240846B2 (en) 2016-07-27 2019-03-26 Walmart Apollo, Llc Systems and methods for delivering perishable items
US10474982B2 (en) 2016-10-04 2019-11-12 Walmart Apollo, Llc Systems and methods utilizing nanotechnology insulation materials in limiting temperature changes during product delivery
US10488095B2 (en) 2016-05-18 2019-11-26 Walmart Apollo, Llc Evaporative cooling systems and methods of controlling product temperatures during delivery

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106585467A (zh) * 2016-12-30 2017-04-26 天津视联无限科技有限公司 一种车载医疗药品的冷藏配送系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209343B1 (en) * 1998-09-29 2001-04-03 Life Science Holdings, Inc. Portable apparatus for storing and/or transporting biological samples, tissues and/or organs
US20100064698A1 (en) * 2008-09-16 2010-03-18 The University Of Wyoming Research Corporation D/B/A Western Research Institute Temperature Control Transport System

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735584C2 (de) * 1997-08-16 1999-12-09 Integral Energietechnik Gmbh Doppelwandige Kühlzelle
EP1114288B1 (fr) * 1998-09-14 2002-05-08 Integral Energietechnik GmbH Procede de transport frigorifique
FR2792398B1 (fr) * 1999-04-14 2001-06-29 Lamberet Const Isothermes Installation pour le maintien a basse temperature d'une enceinte isothermique
AT7050U3 (de) * 2003-12-19 2005-01-25 Pro Source Michael Kaltenbrunn Transportkühlung ohne kälteerzeugung am transportfahrzeug
GB2442739A (en) * 2006-10-14 2008-04-16 L E Jackson Refrigeration Apparatus and Vehicle Incorporating the Same
DE102007015391A1 (de) * 2007-03-28 2008-10-02 Air Liquide Deutschland Gmbh Kühlfahrzeug mit mehreren Kühlsystemen und Verfahren zur Kühlung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209343B1 (en) * 1998-09-29 2001-04-03 Life Science Holdings, Inc. Portable apparatus for storing and/or transporting biological samples, tissues and/or organs
US20100064698A1 (en) * 2008-09-16 2010-03-18 The University Of Wyoming Research Corporation D/B/A Western Research Institute Temperature Control Transport System

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10488095B2 (en) 2016-05-18 2019-11-26 Walmart Apollo, Llc Evaporative cooling systems and methods of controlling product temperatures during delivery
US10240846B2 (en) 2016-07-27 2019-03-26 Walmart Apollo, Llc Systems and methods for delivering perishable items
US10474982B2 (en) 2016-10-04 2019-11-12 Walmart Apollo, Llc Systems and methods utilizing nanotechnology insulation materials in limiting temperature changes during product delivery
CN107839435A (zh) * 2017-11-14 2018-03-27 西南计算机有限责任公司 一种基于相变材料的车辆智能温控系统

Also Published As

Publication number Publication date
JP2014525560A (ja) 2014-09-29
FR2979297A1 (fr) 2013-03-01
WO2013030483A1 (fr) 2013-03-07
FR2979297B1 (fr) 2013-12-20
EP2750928A1 (fr) 2014-07-09
AU2012300721A1 (en) 2014-02-13

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AS Assignment

Owner name: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'E

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DUBREUIL, THIERRY;YOUBI-IDRISSI, MOHAMMED;SIGNING DATES FROM 20131130 TO 20131203;REEL/FRAME:032333/0589

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION