FR2766262A1 - CONTAINER IN WHICH CAN BE RELEASED AT A SELECTED MOMENT OF FRIGORIES OR CALORIES - Google Patents
CONTAINER IN WHICH CAN BE RELEASED AT A SELECTED MOMENT OF FRIGORIES OR CALORIES Download PDFInfo
- Publication number
- FR2766262A1 FR2766262A1 FR9709019A FR9709019A FR2766262A1 FR 2766262 A1 FR2766262 A1 FR 2766262A1 FR 9709019 A FR9709019 A FR 9709019A FR 9709019 A FR9709019 A FR 9709019A FR 2766262 A1 FR2766262 A1 FR 2766262A1
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- FR
- France
- Prior art keywords
- container
- box
- outside
- valve
- container according
- Prior art date
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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
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Packages (AREA)
Abstract
Description
Conteneur dans leauel on peut libérer à un instant choisi des frigories ou des calories
La présente invention se rapporte aux conteneurs destinés à emmagasiner des produits et, tout particulièrement1 des denrées alimentaires tout en les maintenant à une température requise, soit froide, soit chaude.Container in the water you can release at a selected time frigories or calories
The present invention relates to containers intended for storing products and, in particular, foodstuffs while maintaining them at a required temperature, either cold or hot.
On connaît déjà un conteneur comprenant un caisson à paroi thermiquement isolante et muni d'une porte et des moyens pour faire en sorte que la température à l'intérieur du caisson soit différente de celle à l'extérieur. There is already known a container comprising a box with a thermally insulating wall and provided with a door and means for ensuring that the temperature inside the box is different from that outside.
L'inconvénient de ces conteneurs est que l'entrée en action des moyens pour faire en sorte que la température à l'intérieur du caisson soit différente de celle à l'extérieur ne peut pas être retardée. II serait très souhaitable de disposer d'un conteneur dont le contenu puisse être refroidi ou chauffé à un instant choisi par l'utilisateur sans que, pendant la durée d'attentez des frigories ou des calories fournies par lesdits moyens ne soient consommées. The disadvantage of these containers is that the entry into action of the means to ensure that the temperature inside the box is different from that outside can not be delayed. It would be very desirable to have a container whose content can be cooled or heated at a time chosen by the user without, during the period of waiting for frigories or calories supplied by said means being consumed.
L'invention y pourvoit, tout en ménageant le plus de place possible à l'intérieur du caisson pour les produits à emmagasiner. The invention provides for this, while leaving as much space as possible inside the box for the products to be stored.
Suivant l'invention, les moyens pour faire en sorte que la température à l'intérieur du caisson soit différente de celle à l'extérieur comprennent un réservoir de gaz communiquant par un conduit muni d'une vanne avec un récipient de réactif solide, le gaz et le réactif solide étant tels qu'ils réagissent suivant une réaction réversible exothermique dans un sens et endothermique dans l'autre sens, l'un du réservoir et du récipient étant à l'intérieur du caisson et l'autre étant à l'extérieur. According to the invention, the means for ensuring that the temperature inside the box is different from that outside includes a gas tank communicating through a pipe fitted with a valve with a solid reagent container, the gas and the solid reactant being such that they react in a reversible reaction exothermic in one direction and endothermic in the other direction, one of the reservoir and of the container being inside the box and the other being inside outside.
Lorsque l'utilisateur du conteneur veut le refroidir ou lorsqu'il veut en maintenir la température à une température plus froide que celle qui règne à l'extérieur, il lui suffit d'ouvrir la vanne. Le gaz qui est notamment de l'ammoniac ou ses dérivés comme des alcoylamines en C1 à C81 notamment la monométhylamine, la diméthylamine, mais qui peut être également de l'eau, du C02, du SO21 du SO 3 ou de l'H21 réagit sur ie réactif solide adsorbant qui peut être un sel tel qu'un halogénure, un pseudohalogénure, un carbone, un sulfate, un nitrate, un oxyde ou un nitrure métallique et qui, de préférence, est dans une matrice en graphite naturel expansé. When the user of the container wants to cool it or when he wants to maintain the temperature at a cooler temperature than that which prevails outside, he just needs to open the valve. The gas which is in particular ammonia or its derivatives such as C1 to C81 alkylamines in particular monomethylamine, dimethylamine, but which can also be water, C02, SO21, SO 3 or H21 reacts on the solid adsorbent reagent which can be a salt such as a halide, a pseudohalide, a carbon, a sulphate, a nitrate, an oxide or a metal nitride and which, preferably, is in a matrix in expanded natural graphite.
L'endothermicité de la réaction donne le refroidissement souhaité. Comme métaux des sels constituants les réactifs solides, on peut utiliser notamment des sels de métaux alcalinoterreux, des sels de zinc, de manganèse, de fer et de nickel. On peut citer notamment comme sel MnCl21 SrCl21 SrBr2 pour maintenir la température à 3"C et Ni Cl2, MgCl21 MgBr2 et NiBr2 pour maintenir la température à -20 C. Le réservoir peut contenir aussi un second réactif solide moins avide du gaz que le premier réactif solide contenu dans le récipient.The endothermicity of the reaction gives the desired cooling. As the metals of the constituent salts of the solid reactants, it is possible in particular to use alkaline earth metal salts, zinc, manganese, iron and nickel salts. MnCl21 SrCl21 SrBr2 can be mentioned in particular as a salt to maintain the temperature at 3 "C and Ni Cl2, MgCl21 MgBr2 and NiBr2 to maintain the temperature at -20 C. The reservoir may also contain a second solid reagent less greedy for gas than the first solid reagent contained in the container.
Tant que l'utilisateur n'a pas ouvert la vanne, il n'y a pas de réaction et la quantité potentielle de frigories ou de calories reste conservée. Comme l'un du réservoir et du récipient est à l'intérieur du caisson et l'autre est à l'extérieur, les moyens destinés à faire en sorte que la température à l'intérieur du caisson soit différente à celle de l'extérieur occupent peu de place à l'intérieur du caisson. As long as the user has not opened the valve, there is no reaction and the potential quantity of frigories or calories remains preserved. As one of the tank and container is inside the box and the other is outside, the means for ensuring that the temperature inside the box is different from that outside occupy little space inside the box.
Lorsque l'on souhaite que le conteneur puisse refroidir ou maintenir à une température froide les produits qui s'y trouvent, il est bon que le réservoir soit à l'intérieur du caisson et que le récipient soit à l'extérieur. Pour gagner de la place et obtenir un conteneur ayant, pour un volume hors tout donné, la plus grande capacité possible, on préfère que celui du réservoir et du récipient qui est à l'extérieur soit placé sous le fond du caisson où l'on dispose souvent d'une place perdue, notamment quand le conteneur est mobile en étant monté sur roulettes. When it is desired that the container can cool or maintain the products therein at a cold temperature, it is good that the tank is inside the box and the container is outside. To save space and obtain a container having, for a given overall volume, the largest possible capacity, it is preferable that that of the tank and the container which is outside is placed under the bottom of the box where Often has a lost space, especially when the container is mobile by being mounted on casters.
Suivant un mode de réalisation donnant une certaine automaticité, la vanne est commandée par un dispositif actionné par le déplacement de la porte, étant entendu que par porte on entend également dans le présent mémoire un couvercle. Tant que la porte est, par exemple ouverte, les moyens destinés à faire sorte que la température à l'intérieur du caisson soit différente de celle à l'extérieur ne sont pas mis en fonctionnement et ce n'est que lorsque l'on ferme la porte, après avoir garni le conteneur de denrées alimentaires ou autres, que lesdits moyens entrent en action. According to an embodiment giving a certain automaticity, the valve is controlled by a device actuated by the movement of the door, it being understood that by door is also understood in this specification a cover. As long as the door is, for example open, the means intended to ensure that the temperature inside the box is different from that outside is not put into operation and it is only when we close the door, after filling the container with foodstuffs or the like, that said means come into action.
On peut également prévoir une sonde de température disposée à l'intérieur du caisson et des moyens pour modifier l'état de la vanne lorsque la sonde repère une température donnée à l'avance. Les moyens, destinés à faire en sorte que la température à l'intérieur du caisson soit différente de celle à l'extérieur, n'entrent alors en action que lorsque la sonde de température a détecté une température inférieure à un seuil donné ou supérieure à un seuil donné. It is also possible to provide a temperature probe placed inside the box and means for modifying the state of the valve when the probe locates a temperature given in advance. The means, intended to ensure that the temperature inside the box is different from that outside, then only come into action when the temperature sensor has detected a temperature below a given threshold or above a given threshold.
Pour régénérer le réactif adsorbant contenu dans le récipient, celui est muni d'un dispositif de chauffage. To regenerate the adsorbent reagent contained in the container, it is provided with a heating device.
Suivant un mode de réalisation, le caisson est subdivisé en deux compartiments par une cloison thermiquement isolante, le réservoir étant placé dans l'un des compartiments et le récipient dans l'autre. On peut ainsi obtenir la production de frigories dans l'un des compartiments et de calories dans l'autre. Lorsqu'il y a deux compartiments, on considère, dans le présent mémoire, que l'un d'entre eux est au moins fonctionnellement en dehors du caisson, puisqu'il ne peut pas recevoir les mêmes produits que ceux qui sont emmagasinés dans l'autre compartiment, en raison des températures différentes qui vont régner dans les deux compartiments. Les deux compartiments peuvent notamment être l'un au-dessus de l'autre, le réservoir étant placé dans le compartiment supérieur puisque la chaleur a tendance à se propager vers le haut, alors que les frigories ont tendance à se propager vers le bas. II vaut mieux placer la vanne dans le compartiment froid où se trouve le réservoir pour éviter qu'elle ne tombe en panne sous l'effet de la chaleur. De préférence, on met des réactifs solides de nature différente ayant une différence d'avidité pour le gaz. On peut utiliser les couples de sels
NiCI2, MgCl2 MgBr2, NiBr2 pour un compartiment froid à 3"C et un compartiment à réchauffer à 65 C et NiCI2, Nier2 pour un compartiment froid à -20 C et un compartiment à réchauffer à 65"C. According to one embodiment, the box is subdivided into two compartments by a thermally insulating partition, the tank being placed in one of the compartments and the container in the other. We can thus obtain the production of frigories in one of the compartments and calories in the other. When there are two compartments, it is considered, in the present specification, that one of them is at least functionally outside the box, since it cannot receive the same products as those which are stored in the 'other compartment, due to the different temperatures that will prevail in the two compartments. The two compartments can in particular be one above the other, the tank being placed in the upper compartment since the heat tends to propagate upwards, while the frigories tend to propagate downwards. It is better to place the valve in the cold compartment where the tank is located to prevent it from breaking down under the effect of heat. Preferably, solid reagents of different nature having a difference in avidity for the gas are used. You can use the salt pairs
NiCI2, MgCl2 MgBr2, NiBr2 for a cold compartment at 3 "C and a compartment to be heated to 65 C and NiCI2, Nier2 for a cold compartment at -20 C and a compartment to be heated to 65" C.
Aux dessins annexés, donnés uniquement à titre d'exemple:
la figure 1 est une vue en coupe suivant un plan vertical d'un conteneur suivant l'invention,
la figure 2 est une vue en coupe suivant la ligne ll-ll de la figure 1,
la figure 3 est une vue semblable à la figure 1 d'une variante, et
la figure 4 est une vue semblable à la figure 1 d'une autre variante.In the accompanying drawings, given solely by way of example:
FIG. 1 is a sectional view along a vertical plane of a container according to the invention,
FIG. 2 is a sectional view along line II-II of FIG. 1,
FIG. 3 is a view similar to FIG. 1 of a variant, and
Figure 4 is a view similar to Figure 1 of another variant.
Le conteneur représenté aux figures 1 et 2 comporte un caisson 1 en inox ou en polyéthylène avec injection de polyuréthanne à l'intérieur, de manière à le rendre bien isolante de la chaleur. Ce conteneur est de forme parallélépipédique et comporte un fond 2 et un sommet 3. D'un côté, on peut accéder à l'intérieur du conteneur par une porte 4, la position ouverte de la porte étant représentée en trait mixte à la figure 2. Près du sommet 3 est fixé, à l'intérieur du conteneur 1, un réservoir 5 d'ammoniac qui communique par un conduit 6 muni d'une vanne 7 avec un récipient 8 fixé entre les roues 9 du conteneur sous le fond 2. Le récipient de réactif solide contient du chlorure de calcium dans une matrice en graphite naturel expansé. On trouvera des exemples de préparation de produits de ce genre au brevet européen n" 129 473, au brevet européen n" 477 343, au brevet américain n" 5 283 219 et au brevet français n" 95 03614. Il est prévu dans le récipient 8 une résistance électrique 10 de chauffage pouvant être reliée au secteur par un conducteur 11. Comme le montre mieux la figure 2, la vanne 7 comporte un poussoir actionné par le déplacement de la porte 4. Lorsque la porte 4 est ouverte, elle vient pousser un poussoir 13 qui ouvre la vanne 7. Dès que la porte 4 revient en la position fermée, le poussoir 13 est repoussé par un ressort et la vanne reprend son état antérieur. The container shown in Figures 1 and 2 comprises a box 1 made of stainless steel or polyethylene with injection of polyurethane inside, so as to make it well insulating from heat. This container is of rectangular shape and has a bottom 2 and a top 3. On one side, one can access the interior of the container by a door 4, the open position of the door being shown in phantom in Figure 2 Near the top 3 is fixed, inside the container 1, an ammonia tank 5 which communicates by a conduit 6 provided with a valve 7 with a container 8 fixed between the wheels 9 of the container under the bottom 2. The solid reagent container contains calcium chloride in an expanded natural graphite matrix. Examples of the preparation of such products can be found in European patent no. 129,473, European patent no. 477,343, American patent no. 5,283,219 and French patent no. 95,03614. It is provided in the container 8 an electrical heating resistor 10 which can be connected to the sector by a conductor 11. As best shown in FIG. 2, the valve 7 comprises a push button actuated by the movement of the door 4. When the door 4 is open, it comes to push a pusher 13 which opens the valve 7. As soon as the door 4 returns to the closed position, the pusher 13 is pushed back by a spring and the valve returns to its previous state.
A la figure 3, où l'on a utilisé les mêmes numéros de références qu'à la figure 1 pour désigner les mêmes éléments, il est prévu une sonde 14 de température montée à l'intérieur du conteneur qui, lorsque la température s'abaisse en-dessous d'un seuil donné, envoie par un conducteur 15 un signal correspondant à un thermostat 16, lequel en étant alimenté par une batterie 17 envoie par des conducteurs 18 I'ordre à l'électrovanne 7 de s'ouvrir. In FIG. 3, where the same reference numbers have been used as in FIG. 1 to designate the same elements, there is provided a temperature probe 14 mounted inside the container which, when the temperature lowers below a given threshold, sends by a conductor 15 a signal corresponding to a thermostat 16, which by being supplied by a battery 17 sends by conductors 18 the order to the solenoid valve 7 to open.
A la figure 4, le caisson 1 a deux portes 4 et est subdivisé par une cloison 19 horizontale thermiquement isolante en un compartiment 20 supérieur chaud et en un compartiment 21 inférieur froid. Le réservoir 5 ainsi que la vanne 7 sont placés dans le compartiment 21 inférieur froid, tandis que le récipient 8 est placé dans le compartiment 20 supérieur chaud. In FIG. 4, the box 1 has two doors 4 and is subdivided by a thermally insulating horizontal partition 19 into a warm upper compartment 20 and into a cold lower compartment 21. The reservoir 5 and the valve 7 are placed in the cold lower compartment 21, while the container 8 is placed in the hot upper compartment 20.
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9709019A FR2766262B1 (en) | 1997-07-16 | 1997-07-16 | CONTAINER IN WHICH CAN BE RELEASED AT A SELECTED MOMENT OF FRIGORIES OR CALORIES |
PCT/FR1998/001505 WO1999004206A1 (en) | 1997-07-16 | 1998-07-10 | Container wherein can be released at a selected moment frigories or calories |
AU86346/98A AU8634698A (en) | 1997-07-16 | 1998-07-10 | Container wherein can be released at a selected moment frigories or calories |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9709019A FR2766262B1 (en) | 1997-07-16 | 1997-07-16 | CONTAINER IN WHICH CAN BE RELEASED AT A SELECTED MOMENT OF FRIGORIES OR CALORIES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2766262A1 true FR2766262A1 (en) | 1999-01-22 |
FR2766262B1 FR2766262B1 (en) | 1999-09-17 |
Family
ID=9509275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9709019A Expired - Fee Related FR2766262B1 (en) | 1997-07-16 | 1997-07-16 | CONTAINER IN WHICH CAN BE RELEASED AT A SELECTED MOMENT OF FRIGORIES OR CALORIES |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU8634698A (en) |
FR (1) | FR2766262B1 (en) |
WO (1) | WO1999004206A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2820196A1 (en) * | 2001-01-29 | 2002-08-02 | Claude Antoine Blaizat | Method of keeping food trolleys on aircraft cool, and also allowing their heating, uses zeolite-water device trapping water in the crystal lattice and using cooling effect as water evaporates and heat given off as water is absorbed |
FR2823178A1 (en) | 2001-04-10 | 2002-10-11 | Technicatome | Under hull suspended ship electric propulsion unit, has reinforced nacelle and hydrostatic or hydrodynamic bearings |
FR2823177A1 (en) | 2001-04-10 | 2002-10-11 | Technicatome | Cooling of immersed hull fixed ship electric motor propulsion unit, has cooling casings in motor connected to auto-cleaning tangential filters |
FR2825679A1 (en) | 2001-06-06 | 2002-12-13 | Technicatome | Hydro-jet for boat propulsion includes hollow electric motor with hydraulic screw mounted in axial thrust bearings |
FR2835804A1 (en) | 2002-02-12 | 2003-08-15 | Technicatome | Journal bearing system for submerged propulsion unit of vessel such as submarine has large-diameter double conical discoid pivot between flanges |
EP1405016A1 (en) * | 2001-06-06 | 2004-04-07 | Nanopore, Inc. | Sorption cooling devices and temperature-controlled shipping containers incorporating sorption cooling devices |
EP1447630A1 (en) * | 2003-02-17 | 2004-08-18 | Airbus | Method for keeping cool food in an aircraft and means for implementing thereof |
FR2985002A1 (en) * | 2011-12-27 | 2013-06-28 | Coldway | AUTONOMOUS TROLLEY FOR TEMPERATURE PACKAGING AND DISPENSING MEAL TRAYS |
FR3007114A1 (en) * | 2013-06-18 | 2014-12-19 | Coldway | EXTERNAL MODULAR DEVICE FOR AUTONOMOUS REGULATION OF TEMPERATURE OF AN ENCLOSURE |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2766148B1 (en) * | 1997-07-16 | 1999-09-17 | Soc D Const De Materiel Metall | TROLLEY COMPRISING A COOLING DEVICE THAT CAN BE INSTALLED AT ANY TIME CHOSEN BY THE USER AND METHOD FOR PROVIDING A HEATED FOOD |
DE10220345A1 (en) * | 2002-05-27 | 2003-12-24 | Bsh Bosch Siemens Hausgeraete | cooling box |
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- 1998-07-10 AU AU86346/98A patent/AU8634698A/en not_active Abandoned
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2820196A1 (en) * | 2001-01-29 | 2002-08-02 | Claude Antoine Blaizat | Method of keeping food trolleys on aircraft cool, and also allowing their heating, uses zeolite-water device trapping water in the crystal lattice and using cooling effect as water evaporates and heat given off as water is absorbed |
FR2823178A1 (en) | 2001-04-10 | 2002-10-11 | Technicatome | Under hull suspended ship electric propulsion unit, has reinforced nacelle and hydrostatic or hydrodynamic bearings |
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FR2985002A1 (en) * | 2011-12-27 | 2013-06-28 | Coldway | AUTONOMOUS TROLLEY FOR TEMPERATURE PACKAGING AND DISPENSING MEAL TRAYS |
WO2013098516A1 (en) * | 2011-12-27 | 2013-07-04 | Coldway | Self-contained trolley for temperature conditioning and distribution of meal trays |
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EP2798282A1 (en) * | 2011-12-27 | 2014-11-05 | Coldway | Self-contained trolley for temperature conditioning and distribution of meal trays |
CN104024769B (en) * | 2011-12-27 | 2016-08-17 | 科尔德维公司 | Service plate is carried out temperature regulation and the independent dolly being allocated |
US9924833B2 (en) | 2011-12-27 | 2018-03-27 | Coldway | Self-contained trolley for temperature conditioning and distribution of meal trays |
EP2798282B1 (en) * | 2011-12-27 | 2021-06-09 | Coldway Technologies Sa | Self-contained trolley for temperature conditioning and distribution of meal trays |
FR3007114A1 (en) * | 2013-06-18 | 2014-12-19 | Coldway | EXTERNAL MODULAR DEVICE FOR AUTONOMOUS REGULATION OF TEMPERATURE OF AN ENCLOSURE |
WO2014202877A1 (en) * | 2013-06-18 | 2014-12-24 | Coldway | External modular device for autonomous regulation of the temperature of an enclosure |
Also Published As
Publication number | Publication date |
---|---|
AU8634698A (en) | 1999-02-10 |
FR2766262B1 (en) | 1999-09-17 |
WO1999004206A1 (en) | 1999-01-28 |
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