EP1447630A1 - Verfahren zum Kühlhalten von Lebensmitteln in einem Luftfahrzeug und Mittel zur Durchführung des Verfahrens - Google Patents

Verfahren zum Kühlhalten von Lebensmitteln in einem Luftfahrzeug und Mittel zur Durchführung des Verfahrens Download PDF

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Publication number
EP1447630A1
EP1447630A1 EP04290410A EP04290410A EP1447630A1 EP 1447630 A1 EP1447630 A1 EP 1447630A1 EP 04290410 A EP04290410 A EP 04290410A EP 04290410 A EP04290410 A EP 04290410A EP 1447630 A1 EP1447630 A1 EP 1447630A1
Authority
EP
European Patent Office
Prior art keywords
trolley
adsorbent
removable unit
removable
regeneration
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.)
Granted
Application number
EP04290410A
Other languages
English (en)
French (fr)
Other versions
EP1447630B1 (de
Inventor
Luc Leroy
Bruno Alquier
Bertrand Halphen
Roland Tevels
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.)
Airbus SAS
Zecools Zeolite Cooling System
Original Assignee
Airbus SAS
Zecools Zeolite Cooling System
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 Airbus SAS, Zecools Zeolite Cooling System filed Critical Airbus SAS
Publication of EP1447630A1 publication Critical patent/EP1447630A1/de
Application granted granted Critical
Publication of EP1447630B1 publication Critical patent/EP1447630B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/003—Transport containers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B31/02—Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means
    • 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
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • F25B17/08—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
    • 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
    • F25D2400/38—Refrigerating devices characterised by wheels

Definitions

  • the present invention relates to trolleys for aircraft.
  • said trolleys When the said food is to be loaded on board an aircraft, said trolleys left their refrigeration installation, their doors are closed, and they are transferred to the said aircraft where they are arranged in storage rooms in the lazarette, called galleys. Well heard, especially in the case where the flight time of the aircraft is long, the galley itself has a refrigeration unit to allow correct storage of food. Then, at mealtime, the trolleys have come out of the galleys, their doors are open and some food are extracted therefrom to be heated in an oven on board. After delivery of the reheated food to the trays, the trolleys are moved, doors open, between rows of aircraft seats for distribution of trays to passengers.
  • the object of the present invention is to remedy these drawbacks ensuring the continuity of the cold chain of said food, while allowing the removal of the on-board refrigeration unit, which results savings in mass, costs and consumption of electrical energy edge.
  • reactors using adsorbents are well known in the art. They have an enclosure containing said adsorbent, a reservoir containing a liquid, such as water, the vapor of which can be adsorbed by said adsorbent and a communication controllable between said enclosure and said tank. They work under partial pressures between 0.5 millibars and more hundreds of millibars. As long as the communication between the speaker and the tank is closed, the reactor is stopped. However, as soon as the said communication is open, liquid from the tank evaporates, which causes the cooling of said tank, and the vapor of said liquid is adsorbed by said adsorbent, which causes heating of said pregnant.
  • adsorbents such as zeolite
  • said units containing the adsorbent are separable from said trolleys, only these units are addressed to said regeneration means, which makes it possible to limit the volume of premises or stations containing these means. Furthermore, during regeneration of the reactor (s) of said units, said trolleys, possibly not fitted with such a removable unit, can be loaded with food and / or stored in the laboratory's refrigeration installation.
  • a plurality of identical trolleys are used interchangeable and a plurality of interchangeable removable units.
  • the reactor (s) of which are in working order with a regenerated adsorbent. This greatly eases the problem loading of food on board aircraft and avoiding blockage ground of an aircraft due to failure of the trolleys adsorption reactor.
  • identical trolleys are provided, at least at certain aircraft stops interchangeable, interchangeable removable units and means for regenerating said adsorbent.
  • said trolley includes means for receiving such a unit removable, while the latter includes retaining means able to cooperate with said means for receiving the trolley in order to be able to be assembled and disassembled from a block on the latter.
  • Said trolley receiving means and said retaining means of the removable unit can come in many forms of realization allowing said removable unit to relate to said trolley, for example in the manner of a nestable or hinged cover.
  • said means for receiving the trolley are of the drawer slide type, while said removable unit retaining means are of the type slide.
  • said removable unit can be mounted and dismounted on said trolley like a drawer.
  • said removable unit has a thermally insulating chassis plate bearing, side, said enclosure containing the adsorbent and, on the other side, said reservoir containing the liquid, said controllable communication between said enclosure and said tank passing from side to side of said plate frame.
  • said plate chassis carries said retaining means capable of cooperating with said means for receiving the trolley. If, in addition, the link of the mobile unit on the trolley is of the drawer type, said chassis plate has two edges opposite parallels forming a slide and able to cooperate with said trolley slides.
  • said removable unit may include at least one electric heating resistor, arranged for example in said enclosure containing the adsorbent. So, said regeneration means external to the aircraft may then not include that electrical power sources capable of supplying said electrical resistances of said removable units. As a result, the stations of adsorbent regeneration are particularly simple.
  • said means for regenerating the adsorbent can have at least one oven.
  • said oven can be opened and closed by said chassis plate, so that only said enclosure containing the adsorbent is heated by said oven, the tank of said removable unit being protected from heat from the oven by said chassis plate.
  • Said open oven can be extended and means may be provided for moving said removable unit by one end to end of said furnace during the regeneration of said adsorbent. We can thus regenerate a plurality of removable units continuously.
  • said regeneration means include means for cooling said tank, during regeneration by heating said adsorbent.
  • Figure 1 is a side elevational view of an example of embodiment of a trolley according to the present invention, the door of said trolley being closed.
  • FIG 2 is a front view of the trolley of Figure 1 provided a removable cold production unit, the door of said trolley being closed.
  • Figure 3 is a front view of the trolley of Figure 1 provided of said removable cold production unit, the door of said trolley being open and folded against a lateral face of the latter.
  • Figure 4 is a view similar to Figure 3, said removable unit of cold production having been removed from said trolley.
  • Figure 5 is a top view of said removable production unit cold.
  • Figure 6 is a bottom view of said removable unit of cold production.
  • Figure 7 is a longitudinal section along line VII-VII of the figure 5.
  • FIG. 8 is a front view, cut away from the front face, of the mobile unit in Figures 5 to 7.
  • FIG. 9 schematically illustrates regeneration means of the adsorbent of said cold production unit.
  • Trolley 1 according to the present invention and shown in the Figures 1 and 2, usually shows a parallelepiped shape transversely flattened. It has a thermally insulating envelope 2, delimiting an interior volume 3, closable by a front door 4.
  • the door 4 is articulated by hinges 5, which allow it to be folded down, in the open position, against an external lateral face of the envelope 2 (see Figures 3 and 4).
  • the interior volume 3 is arranged with slides 6, fixed on the opposite inner side faces of said envelope 2 and capable of support and guide plates 7, only one of which is shown on the Figures 3 and 4.
  • Trolley 1 also has systems at the front and rear wheels 8, which support the casing 2 and whose rotation can be blocked by pedals 9.
  • the interior volume 3 also comprises two slides 10 facing each other for a removable drawer 11, shown on Figures 5 to 8 and visible in Figures 2 and 3.
  • Said drawer 11 has a thermal chassis plate insulator 12, for example made of carbon fibers, of rectangular shape.
  • the upper face of the chassis plate 12 carries an enclosure 13 containing a solid adsorbent such as zeolite.
  • the underside of said chassis plate 12 carries a reservoir 14 containing a liquid, for for example water, the vapor of which is adsorbable by said adsorbent.
  • the reservoir 14 can be presented under the form of an arrangement of parallel tubes, connected to manifolds end and fitted with evaporator fins.
  • a communication 15 controllable by a valve 16 and passing through said chassis plate 12.
  • Valve 16 can be controlled at opening and closing by a rotary nozzle 17, by square section example.
  • said enclosure 13 and said reservoir 14 can be put under partial vacuum, by means not shown.
  • said drawer 11 forms a removable unit comprising a reactor able to produce cold by reversible solid / gas adsorption.
  • the drawer 11 forms a facade 18, carried by said chassis plate 12 and orthogonal to the latter.
  • said facade 18 has an opening 19, allowing to pass a key (not shown) from the outside for controlling said rotary nozzle 17.
  • indicators 20, 21, 22, ... are mounted to give information on certain reactor parameters such as the water level in the tank 14 (this level is of course representative of the state of saturation of the adsorbent in the enclosure 13), the pressure in the reactor, etc.
  • the drawer 11, shown in isolation in Figures 5 to 8, can be mounted (and disassembled) in the interior volume 3 of the trolley 1 so that the longitudinal edges 23 and 24 of the underside of the plate chassis 12 rest and slide on the slides 10.
  • the front 18 of the drawer 11 is flush the frame of the door opening 4, with its upper part (including the opening 19 and the indicators 20 to 21) above said door 4 and its lower part below the latter (see Figures 2 and 3). So, when door 4 is closed ( Figure 2), the upper part of it leans against the lower part of the front 18 of the drawer 11.
  • the evaporator tank 14 is so in the interior volume 3, while the enclosure 13 is placed outside of it.
  • the reactors 13 to 16 generate heat at the level of the speakers 13 outside the volume interior 3 of the trolleys 1. This heat is prevented from passing towards said interior volume 3 by the chassis plates 12. It is moreover dissipated outward either by natural dissipation or by dissipation forced, for example using ventilation means (not shown).
  • each trolley 1 to be used can be equipped of a drawer 11 in working condition.
  • the regeneration stations provided on land, outside aircraft have that include electrical voltage sources capable of supplying said heating resistors 25, 26.
  • These regeneration stations can also, as is illustrated in Figure 9, include a bell furnace 27, wherein said drawers 11 are supported by the edges of their chassis plate 12, which closes said oven.
  • the enclosure 13 containing the adsorbent is heated by the oven 27 (arrows 28), the tank 14 being protected from heat by said chassis plate 12.
  • fans 29, 30 can be provided for ventilating said tank 14.
  • the oven 27 has the shape of an elongated tunnel (orthogonal to the plan of FIG. 9), means (not shown) can be provided for move the drawers 11 from one end to the other of said oven 27, during the regeneration of the adsorbent.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Handcart (AREA)
  • General Preparation And Processing Of Foods (AREA)
EP04290410A 2003-02-17 2004-02-13 System zum Kühlhalten von Lebensmitteln in einem Luftfahrzeug und Mittel zur Durchführung des Verfahrens Expired - Lifetime EP1447630B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0301881 2003-02-17
FR0301881A FR2851329B1 (fr) 2003-02-17 2003-02-17 Procede de maintien au froid d'aliments a bord d'aeronefs et moyen de mise en oeuvre

Publications (2)

Publication Number Publication Date
EP1447630A1 true EP1447630A1 (de) 2004-08-18
EP1447630B1 EP1447630B1 (de) 2010-04-07

Family

ID=32669386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04290410A Expired - Lifetime EP1447630B1 (de) 2003-02-17 2004-02-13 System zum Kühlhalten von Lebensmitteln in einem Luftfahrzeug und Mittel zur Durchführung des Verfahrens

Country Status (5)

Country Link
US (1) US6941764B2 (de)
EP (1) EP1447630B1 (de)
AT (1) ATE463705T1 (de)
DE (1) DE602004026376D1 (de)
FR (1) FR2851329B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007090469A1 (en) * 2006-02-06 2007-08-16 Inversiones Sestri, S. A. A packaging system for storing and/or transporting different kind of fruits during long periods of time
CN108679899A (zh) * 2018-05-08 2018-10-19 北京航天控制仪器研究所 一种航空机载冷藏***

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1028463C2 (nl) * 2005-03-04 2006-09-06 Driessen Aerospace Group Nv Wagen, alsmede transportmiddel.
WO2009149320A1 (en) * 2008-06-05 2009-12-10 B/E Aerospace, Inc. Aircraft galley refrigeration system including a reduced weight and depth storage compartment cooling apparatus
US9238398B2 (en) * 2008-09-25 2016-01-19 B/E Aerospace, Inc. Refrigeration systems and methods for connection with a vehicle's liquid cooling system
EP2386460A1 (de) * 2010-05-13 2011-11-16 Industrial Neo Tex SA Lagerwagen für Flugzeug
EP2508336A1 (de) * 2011-04-04 2012-10-10 Industrial Neo Tex SA Feuerbeständiges Plattenmaterial
US9188380B2 (en) 2011-08-23 2015-11-17 B/E Aerospace, Inc. Aircraft galley liquid cooling system
US9862496B2 (en) * 2012-03-30 2018-01-09 B/E Aerospace, Inc. Aircraft galley chiller system
US8936260B2 (en) * 2012-07-20 2015-01-20 B/E Aerospace, Inc. Meal cart for an aircraft galley
US9386845B2 (en) 2013-05-31 2016-07-12 The Boeing Company Dual-function food tray support tubes for a galley cart
US9609878B2 (en) * 2014-02-14 2017-04-04 Electrolux Professional S.P.A. Oven to bake food products
US10016055B2 (en) 2014-07-08 2018-07-10 B/E Aerospace, Inc. Compact liquid cooled, air through galley chiller
WO2018172960A1 (en) * 2017-03-21 2018-09-27 Driessen Aerospace Group N.V. Galley trolley compartment doors

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FR2666141A1 (fr) * 1990-08-24 1992-02-28 Bourgogne Technologies Pompe a chaleur a zeolithes regenerable par chauffage electrique a haute frequence.
DE4308144C1 (de) * 1993-03-15 1994-10-27 Deutsche Aerospace Airbus Servierwagen an Bord eines Flugzeuges
DE4438619A1 (de) * 1994-10-28 1996-05-02 Acs Advanced Cooling Systems A Kühlbehälter
FR2756912A1 (fr) * 1996-12-06 1998-06-12 Valeo Climatisation Dispositif regenerable pour la production de chaleur et de froid par sorption
FR2766262A1 (fr) * 1997-07-16 1999-01-22 Soc D Const De Materiel Metall Conteneur dans lequel on peut liberer a un instant choisi des frigories ou des calories
FR2774748A1 (fr) * 1998-02-11 1999-08-13 Production De L Aube Soc Ind D Conteneur que l'on peut refroidir a l'instant que l'on veut
FR2820196A1 (fr) * 2001-01-29 2002-08-02 Claude Antoine Blaizat Procede de maintien sous froid des trolleys a bord des avions assurant aussi le chauffage ou le maintien a chaud ainsi que l'ensemble du dispositif correspondant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666141A1 (fr) * 1990-08-24 1992-02-28 Bourgogne Technologies Pompe a chaleur a zeolithes regenerable par chauffage electrique a haute frequence.
DE4308144C1 (de) * 1993-03-15 1994-10-27 Deutsche Aerospace Airbus Servierwagen an Bord eines Flugzeuges
DE4438619A1 (de) * 1994-10-28 1996-05-02 Acs Advanced Cooling Systems A Kühlbehälter
FR2756912A1 (fr) * 1996-12-06 1998-06-12 Valeo Climatisation Dispositif regenerable pour la production de chaleur et de froid par sorption
FR2766262A1 (fr) * 1997-07-16 1999-01-22 Soc D Const De Materiel Metall Conteneur dans lequel on peut liberer a un instant choisi des frigories ou des calories
FR2774748A1 (fr) * 1998-02-11 1999-08-13 Production De L Aube Soc Ind D Conteneur que l'on peut refroidir a l'instant que l'on veut
FR2820196A1 (fr) * 2001-01-29 2002-08-02 Claude Antoine Blaizat Procede de maintien sous froid des trolleys a bord des avions assurant aussi le chauffage ou le maintien a chaud ainsi que l'ensemble du dispositif correspondant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007090469A1 (en) * 2006-02-06 2007-08-16 Inversiones Sestri, S. A. A packaging system for storing and/or transporting different kind of fruits during long periods of time
CN108679899A (zh) * 2018-05-08 2018-10-19 北京航天控制仪器研究所 一种航空机载冷藏***

Also Published As

Publication number Publication date
DE602004026376D1 (de) 2010-05-20
FR2851329B1 (fr) 2006-02-03
EP1447630B1 (de) 2010-04-07
US20040194487A1 (en) 2004-10-07
FR2851329A1 (fr) 2004-08-20
ATE463705T1 (de) 2010-04-15
US6941764B2 (en) 2005-09-13

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