EP0289408A1 - Refrigerated cabinet having three compartments with differing temperatures - Google Patents

Refrigerated cabinet having three compartments with differing temperatures Download PDF

Info

Publication number
EP0289408A1
EP0289408A1 EP88400994A EP88400994A EP0289408A1 EP 0289408 A1 EP0289408 A1 EP 0289408A1 EP 88400994 A EP88400994 A EP 88400994A EP 88400994 A EP88400994 A EP 88400994A EP 0289408 A1 EP0289408 A1 EP 0289408A1
Authority
EP
European Patent Office
Prior art keywords
compartment
cabinet according
fan
compressor
compartments
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
EP88400994A
Other languages
German (de)
French (fr)
Other versions
EP0289408B1 (en
Inventor
André Herman
Camille Rossi
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.)
D'ELECTROMENAGER DU NORD SELNOR Ste
Original Assignee
D'ELECTROMENAGER DU NORD SELNOR Ste
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 D'ELECTROMENAGER DU NORD SELNOR Ste filed Critical D'ELECTROMENAGER DU NORD SELNOR Ste
Publication of EP0289408A1 publication Critical patent/EP0289408A1/en
Application granted granted Critical
Publication of EP0289408B1 publication Critical patent/EP0289408B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • 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
    • F25D2400/04—Refrigerators with a horizontal mullion

Definitions

  • the invention relates to a refrigeration cabinet having at least three compartments at different temperatures cooled by a single refrigeration circuit supplied by a single compressor.
  • refrigerated cabinets having a freezing or storage compartment at very low temperature (of the order of -18 ° C), a refrigeration compartment at a higher temperature (of the order of + 5 ° C) and an intermediate temperature compartment (of the order of 0 ° C). More generally, it applies to all refrigeration cabinets requiring different temperatures in their different compartments.
  • fridge-freezer assemblies the evaporators of which are connected to a single refrigeration circuit supplied by a single compressor.
  • the refrigeration compartment is in thermal connection with a higher temperature compartment called cellar compartment, and the cold is transferred by thermal convection from one to the other, thanks to openings which can in some cases be more or less obstructed. less partially by shutters.
  • the refrigerant after compression passes through a condenser, before being expanded and directed to the evaporator of the refrigeration compartment, then to the evaporator of the freezing compartment, having undergone or not an additional expansion between the two evaporators, before returning to the compressor.
  • the injection of the fluid is said to be normal, and to double or simple expansion.
  • the fluid first passes through the evaporator of the freezing compartment before that of the refrigeration compartment.
  • the injection is then said to be reversed. In this case, the development of the refrigeration circuit for good efficiency is more difficult.
  • refrigerated cabinets comprising a reduced size compartment at intermediate temperature, which in known applications is of the order of 0 ° C. This temperature allows longer storage of food.
  • the intermediate temperature compartment is in heat exchange via a connecting channel with the lower temperature compartment, that is to say the freezing or preservation compartment, so that a transfer of cold can take place from one to the other by convection.
  • the intermediate temperature compartment is normally located under the lower temperature compartment, and the supply of cold is made by a turbine or a fan, controlled by a thermostat located in the intermediate temperature compartment, and generating a forced air flow in said compartment.
  • Cold air is drawn into the lower temperature compartment and fed back into the other. Forced air has the advantage of avoiding the formation of frost, but has the disadvantage of causing food to dry out and a mixture of odors which requires prior packaging of the foodstuffs.
  • the realization of the channel somewhat complicates the realization of the cabinet tank, so that the cost is significantly increased.
  • the heat exchange existing between these two compartments can be detrimental to the good refrigeration efficiency in the lower temperature compartment.
  • the cold is obtained in the intermediate temperature compartment, using an evaporator placed in this compartment and connected to a circuit refrigerated.
  • Said evaporator can be an element of the same refrigeration circuit as that of the evaporators of the other compartments, the cabinet then comprising a single refrigeration circuit supplied by a single motor-compressor, or alternatively said evaporator can be in series with only one of the evaporators, for example that connected to the freezing compartment, this series being supplied by a first motor-compressor, and the evaporator of the refrigeration compartment in this case belongs to another refrigeration circuit supplied by a second motor-compressor.
  • the object of the invention is to remedy these drawbacks of cost and yield.
  • a refrigeration cabinet comprising at least three compartments at different temperatures, two of which are cooled by two separate evaporators, one for each compartment, connected to a single refrigeration circuit with compressor and condenser, and comprising an expansion member between said evaporators, is characterized in that the expansion member between the two evaporators is a capillary, and in that at least part of said capillary is placed in heat exchange with a third compartment, and constitutes the cooling member of said compartment .
  • the refrigeration capacity of the capillary is relatively low, and that is why, in a preferred embodiment, the capillary is used in a compartment at a temperature intermediate to those of the compartments cooled by the evaporators, and / or of size. lower than said compartments.
  • the assembly of such a cabinet does not require more tube than a conventional cabinet with two compartments cooled by a single refrigeration circuit with a single compressor, because the intermediate capillary is not longer there.
  • FIG. 1 In FIG. 1 is shown a refrigeration cabinet 1 with three compartments 11, 12, 13, facing the refrigeration circuit 2 with a single compressor 20 necessary for its cooling, in accordance with the present invention.
  • the upper temperature compartment 11 is located at the bottom of the cabinet and the upper temperature compartment 13 is at the top.
  • Their relative arrangement can be modified, for ergonomic reasons in particular.
  • the refrigeration circuit 2 shown operates in normal injection, that is to say that the compressor 20 firstly supplies the evaporator 21 of the temperature compartment more high 11, before supplying the evaporator 23 of the lower temperature compartment 13.
  • the condenser 25 in heat exchange with the outside, then a expansion member such as a capillary 24.
  • a expansion capillary 22 which, in accordance with the present invention, is used as a cooling member of the compartment intermediate temperature 12.
  • the expansion capillary 22 between the two evaporators 21, 23 is, at least in part, inside said intermediate temperature compartment, so that a heat exchange is created during operation , between the capillary and the interior of the compartment.
  • the outlet of the evaporator 23 from the lower temperature compartment 13 is connected to the inlet of the compressor 20.
  • the refrigeration circuit can include other conventional elements such as a boiler, etc.
  • the thermal regulation circuit allowing the compressor 20 to start in this case is not shown, but it is possible to envisage placing a compressor starting thermostat 20 in any of the compartments, so as to give priority to the compartment considered. Preferably, however, the thermostat is placed in the lower temperature compartment or in the higher temperature compartment, rather than in the intermediate temperature compartment.
  • FIG. 2 shows the block diagram of an improved variant in which a fan 26 ventilates the capillary 22 for cooling the intermediate temperature compartment 22.
  • the fan 26 is in a duct 27, as is the part of the capillary 22 used for cooling.
  • the inlet of the duct 27 is close to the lower part of a vertical wall of the said compartment, and the outlet is opposite the upper wall of the compartment, in an area diagonally distant from the inlet of the said duct, so that the ventilated cold air is distributed throughout the compartment, as indicated by the double arrows, taking full advantage of the phenomena of natural convection.
  • the fan 26 is driven by an electric motor 28 supplied by the electrical circuit of the cabinet, not shown in this figure.
  • the thermal regulation can be independent or not of the refrigerating needs of the intermediate temperature compartment.
  • Figure 3 is an illustration.
  • the regulating thermostat 30 is in the higher temperature compartment, and the detection of a need for cold in this compartment causes the compressor 20 to start up and simultaneously that of the engine 28 of the fan.
  • the thermostat 30 is located in the lower temperature compartment.
  • the regulation can also be totally dependent on the intermediate temperature compartment.
  • the thermostat 30 for starting the compressor 20 and the fan motor 28 is located in said compartment.
  • thermostat 30 which can be located in either of the compartments.
  • This contact 29 is placed between the electrical power source and a common point of the supply of the compressor 20 and of the motor 28 of the fan 26. This contact is closed by the thermostat 30, as soon as a need for cold is felt. inside the compartment in which it is located.
  • FIG. 4 is an illustration of an improved variant of regulation in which the starting of the compressor is linked to the need for cooling in the higher temperature compartment 11 and in which the fan 26 is only started if a need for cooling is felt in the intermediate temperature compartment 12, and that simultaneously the compressor is running.
  • the compressor is started up by a thermostat 31 associated with a contact 32 placed in the common supply circuit of the compressor 20 and of the fan motor.
  • the thermostat 31 is inside the higher temperature compartment 11.
  • the supply circuit of the motor 28 of the fan 26 is in parallel on the terminals of the compressor 20, and comprises a contact 33 associated with a thermostat 34 placed inside the intermediate temperature compartment 12.
  • the contact 33 is closed when the compartment 12 requires a supply of cold, but the fan 26 can only start if simultaneously the contact 32 for starting the compressor is closed. This arrangement prevents the fan unnecessarily sucking relatively hot air while the compressor is stopped.
  • the thermostat 31 for starting the compressor 20 is in the lower temperature compartment.
  • said shaping is carried out by winding the capillary on a template which is removed afterwards, thus the capillary takes the form of a serpentine.
  • the invention is therefore particularly advantageous because of its low cost, its ease of production and its operation at a precise temperature, in particular in cases where the starting of the compressor is determined by the temperature of one of the compartments at higher temperature. or lower, and in which a fan distributes the cold, if necessary, in the intermediate temperature compartment.
  • the lower temperature compartment is a freezing compartment at approximately -18 ° C.
  • the higher temperature compartment is a refrigeration compartment at approximately + 5 ° C.
  • the intermediate temperature compartment is a compartment maintained in temperatures close to 0 ° C.

Abstract

The invention relates to a refrigerated cabinet comprising at least three compartments (11,12,13) at different temperatures, two (11, 13) of which are cooled by two separate evaporators (21, 23), one for each compartment, connected to a single refrigerant circuit with a compressor (20) and condenser (25), and comprising a pressure reduction member (22) between the two evaporators. It is characterised in that the pressure reduction member (22) is a capillary tube, at least one part of which is in heat exchange with a third compartment (12) and constitutes the refrigerating member of said third compartment. <IMAGE>

Description

L'invention concerne une armoire frigorifique possédant au moins trois compartiments à températures différentes refroidis par un circuit frigorifique unique alimenté par un seul motocompresseur.The invention relates to a refrigeration cabinet having at least three compartments at different temperatures cooled by a single refrigeration circuit supplied by a single compressor.

Elle s'applique tout particulièrement aux armoires frigorifiques possédant un compartiment de congélation ou de conservation à température très basse (de l'ordre de -18°C), un compartiment de réfrigération à température plus élevée (de l'ordre de +5°C) et un compartiment à température intermédiaire (de l'ordre de 0°C). D'une façon plus générale, elle s'applique à toutes les armoires frigorifiques nécessitant des températures différentes dans leurs différents compartiments.It is particularly applicable to refrigerated cabinets having a freezing or storage compartment at very low temperature (of the order of -18 ° C), a refrigeration compartment at a higher temperature (of the order of + 5 ° C) and an intermediate temperature compartment (of the order of 0 ° C). More generally, it applies to all refrigeration cabinets requiring different temperatures in their different compartments.

Parmi les types les plus répandus d'armoires frigorifiques multicompartiments, se trouvent des ensembles combinés réfrigérateur-congélateur, dont les évaporateurs sont reliés à un circuit frigorifique unique alimenté par un seul compresseur. Parfois, le compartiment de réfrigération est en liaison thermique avec un compartiment à température supérieure appelé compartiment de cave, et le froid est transféré par convection thermique de l'un à l'autre, grâce à des ouvertures pouvant dans certains cas être obstruées plus ou moins partiellement par des volets.Among the most common types of multi-compartment refrigeration cabinets are combined fridge-freezer assemblies, the evaporators of which are connected to a single refrigeration circuit supplied by a single compressor. Sometimes, the refrigeration compartment is in thermal connection with a higher temperature compartment called cellar compartment, and the cold is transferred by thermal convection from one to the other, thanks to openings which can in some cases be more or less obstructed. less partially by shutters.

Normalement, le fluide frigorigène après compression passe dans un condenseur, avant d'être détendu et d'être dirigé vers l'évaporateur du compartiment de réfrigération, puis vers l'évaporateur du compartiment de congélation, en ayant subi ou non une détente complémentaire entre les deux évaporateurs, avant de revenir au compresseur. Dans ce cas, l'injection du fluide est dite normale, et à double ou simple détente.Normally, the refrigerant after compression passes through a condenser, before being expanded and directed to the evaporator of the refrigeration compartment, then to the evaporator of the freezing compartment, having undergone or not an additional expansion between the two evaporators, before returning to the compressor. In this case, the injection of the fluid is said to be normal, and to double or simple expansion.

Dans d'autres cas, le fluide traverse d'abord l'évaporateur du compartiment de congélation avant celui du compartiment de réfrigération. L'injection est alors dite inversée. Dans ce cas la mise au point du circuit frigorifique en vue d'un bon rendement est plus difficile à réaliser.In other cases, the fluid first passes through the evaporator of the freezing compartment before that of the refrigeration compartment. The injection is then said to be reversed. In this case, the development of the refrigeration circuit for good efficiency is more difficult.

On connaît, depuis peu, des armoires frigorifiques comportant un compartiment de taille réduite à température intermédiaire, qui dans les applications connues est de l'ordre de 0°C. Cette température permet une conservation plus longue des aliments.Recently, refrigerated cabinets have been known comprising a reduced size compartment at intermediate temperature, which in known applications is of the order of 0 ° C. This temperature allows longer storage of food.

On obtient cette température, dans les armoires connues, de diverses manières qui présentent chacune des inconvénients. Dans un premier type d'armoire, le compartiment à température intermédiaire est en échange thermique par l'intermédiaire d'un canal de liaison avec le compartiment à température plus basse, c'est-à-dire le compartiment de congélation ou de conservation, de sorte qu'un transfert de froid peut avoir lieu de l'un à l'autre par convection. Dans ce but, le compartiment à température intermédiaire est normalement situé sous le compartiment à température plus basse, et l'apport de froid se fait par une turbine ou un ventilateur, commandé par un thermostat situé dans le compartiment à température intermédiaire, et générant un flux d'air pulsé dans ledit compartiment. De l'air froid est aspiré dans le compartiment à température plus basse et réinjecté dans l'autre. L'air pulsé a l'avantage d'éviter la formation de givre, mais présente l'inconvénient d'entraîner une dessication des aliments et un mélange d'odeurs qui impose un emballage préalable des denrées. De plus, la réalisation du canal complique quelque peu la réalisation de la cuve de l'armoire, de sorte que le prix de revient est notablement augmenté. Enfin, l'échange thermique existant entre ces deux compartiments peut être préjudiciable au bon rendement frigorifique dans le compartiment à température plus basse.This temperature is obtained in known cabinets in various ways which each have drawbacks. In a first type of cabinet, the intermediate temperature compartment is in heat exchange via a connecting channel with the lower temperature compartment, that is to say the freezing or preservation compartment, so that a transfer of cold can take place from one to the other by convection. For this purpose, the intermediate temperature compartment is normally located under the lower temperature compartment, and the supply of cold is made by a turbine or a fan, controlled by a thermostat located in the intermediate temperature compartment, and generating a forced air flow in said compartment. Cold air is drawn into the lower temperature compartment and fed back into the other. Forced air has the advantage of avoiding the formation of frost, but has the disadvantage of causing food to dry out and a mixture of odors which requires prior packaging of the foodstuffs. In addition, the realization of the channel somewhat complicates the realization of the cabinet tank, so that the cost is significantly increased. Finally, the heat exchange existing between these two compartments can be detrimental to the good refrigeration efficiency in the lower temperature compartment.

Dans un second type d'armoire, le froid s'obtient dans le compartiment à température intermédiaire, à l'aide d'un évaporateur placé dans ce compartiment et relié à un circuit frigorifique. Ledit évaporateur peut être un élément du même circuit frigorifique que celui des évaporateurs des autres compartiments, l'armoire comportant alors un circuit frigorifique unique alimenté par un seul motocompresseur, ou bien encore ledit évaporateur peut être en série avec un seul des évaporateurs, par exemple celui relié au compartiment de congélation, cette série étant alimentée par un premier motocompresseur, et l'évaporateur du compartiment de réfrigération appartient dans ce cas à un autre circuit frigorifique alimenté par un second motocompresseur.In a second type of cabinet, the cold is obtained in the intermediate temperature compartment, using an evaporator placed in this compartment and connected to a circuit refrigerated. Said evaporator can be an element of the same refrigeration circuit as that of the evaporators of the other compartments, the cabinet then comprising a single refrigeration circuit supplied by a single motor-compressor, or alternatively said evaporator can be in series with only one of the evaporators, for example that connected to the freezing compartment, this series being supplied by a first motor-compressor, and the evaporator of the refrigeration compartment in this case belongs to another refrigeration circuit supplied by a second motor-compressor.

La solution du circuit frigorifique unique avec un seul compresseur alimentant trois évaporateurs est difficile à mettre en oeuvre, car elle pose de gros problèmes de régulation, et impose de réaliser une détente supplémentaire du fluide à proximité de l'évaporateur du compartiment intermédiaire.The solution of the single refrigeration circuit with a single compressor supplying three evaporators is difficult to implement, because it poses major problems of regulation, and requires carrying out an additional expansion of the fluid near the evaporator of the intermediate compartment.

La solution mettant en oeuvre deux circuits alimentés chacun par un motocompresseur est coûteuse.The solution using two circuits each supplied by a motor-compressor is expensive.

L'invention a pour objet de remédier à ces inconvénients de coût et de rendement.The object of the invention is to remedy these drawbacks of cost and yield.

Selon l'invention, une armoire frigorifique comportant au moins trois compartiments à températures différentes, dont deux sont refroidis par deux évaporateurs distincts, un pour chaque compartiment, reliés à un circuit frigorifique unique à compresseur et condenseur, et comportant un organe de détente entre lesdits évaporateurs, est caractérisée en ce que l'organe de détente entre les deux évaporateurs est un capillaire, et en ce qu'une partie au moins dudit capillaire est placée en échange thermique avec un troisième compartiment, et constitue l'organe de refroidissement dudit compartiment.According to the invention, a refrigeration cabinet comprising at least three compartments at different temperatures, two of which are cooled by two separate evaporators, one for each compartment, connected to a single refrigeration circuit with compressor and condenser, and comprising an expansion member between said evaporators, is characterized in that the expansion member between the two evaporators is a capillary, and in that at least part of said capillary is placed in heat exchange with a third compartment, and constitutes the cooling member of said compartment .

Il est clair que le pouvoir frigorifique du capillaire est relativement faible, et c'est pourquoi, dans un mode de réalisation préféré, le capillaire est utilisé dans un compartiment à température intermédiaire à celles des compartiments refroidis par les évaporateurs, et/ou de taille inférieure auxdits compartiments.It is clear that the refrigeration capacity of the capillary is relatively low, and that is why, in a preferred embodiment, the capillary is used in a compartment at a temperature intermediate to those of the compartments cooled by the evaporators, and / or of size. lower than said compartments.

Un tel agencement réduit considérablement les problèmes de rendement, par rapport à ceux mettant en oeuvre plus de deux évaporateurs en série, et est nettement moins coûteux que celui qui nécessite deux circuits frigorifiques indépendants alimentés chacun par un compresseur.Such an arrangement considerably reduces the efficiency problems, compared to those using more than two evaporators in series, and is considerably less expensive than that which requires two independent refrigeration circuits each supplied by a compressor.

Par ailleurs, le montage d'une telle armoire ne nécessite pas plus de tube qu'une armoire classique à deux compartiments refroidis par un circuit frigorifique unique à un seul compresseur, car le capillaire intermédiaire n'y est pas plus long.Furthermore, the assembly of such a cabinet does not require more tube than a conventional cabinet with two compartments cooled by a single refrigeration circuit with a single compressor, because the intermediate capillary is not longer there.

D'autres caractéristiques et avantages de l'invention apparaîtront avec la description ci-après, faite en regard des figures annexées sur lesquelles :

  • - La figure 1 est un schéma de principe d'une armoire frigorifique conforme à l'invention ;
  • - La figure 2 schématise une variante perfectionnée de réalisation du troisième compartiment ;
  • - Les figures 3 et 4 sont des illustrations de variantes de circuits de régulation pour la présente armoire.
Other characteristics and advantages of the invention will become apparent with the description below, made with reference to the appended figures in which:
  • - Figure 1 is a block diagram of a refrigeration cabinet according to the invention;
  • - Figure 2 shows schematically an improved embodiment of the third compartment;
  • - Figures 3 and 4 are illustrations of alternative control circuits for this cabinet.

Sur la figure 1 est représentée une armoire frigorifique 1 à trois compartiments 11,12,13, en regard du circuit frigorifique 2 à compresseur unique 20 nécessaire à son refroidissement, conformément à la présente invention.In FIG. 1 is shown a refrigeration cabinet 1 with three compartments 11, 12, 13, facing the refrigeration circuit 2 with a single compressor 20 necessary for its cooling, in accordance with the present invention.

L'exemple décrit s'applique, dans le cas où le troisième compartiment 12 est à température intermédiaire et est intercalé entre les deux autres 11,13, à températures supérieure et inférieure.The example described applies, in the case where the third compartment 12 is at intermediate temperature and is interposed between the other two 11,13, at upper and lower temperatures.

Dans l'exemple représenté, le compartiment à température supérieure 11 est situé en bas de l'armoire et le compartiment à température supérieure 13 est en haut. Leur disposition relative peut être modifiée, pour des raisons ergonomiques notamment.In the example shown, the upper temperature compartment 11 is located at the bottom of the cabinet and the upper temperature compartment 13 is at the top. Their relative arrangement can be modified, for ergonomic reasons in particular.

Le circuit frigorifique 2 représenté fonctionne en injection normale, c'est-à-dire que le compresseur 20 alimente tout d'abord l'évaporateur 21 du compartiment à température plus haute 11, avant d'alimenter l'évaporateur 23 du compartiment à température plus basse 13.The refrigeration circuit 2 shown operates in normal injection, that is to say that the compressor 20 firstly supplies the evaporator 21 of the temperature compartment more high 11, before supplying the evaporator 23 of the lower temperature compartment 13.

Entre la sortie du compresseur et l'évaporateur 21 du compartiment à température plus haute 11, se trouve le condenseur 25, en échange thermique avec l'extérieur, puis un organe de détente tel qu'un capillaire 24. Entre la sortie de l'évaporateur 21 du compartiment à température plus haute 11 et l'entrée de l'évaporateur 23 du compartiment à température plus basse 13, se trouve un capillaire 22 de détente qui, conformément à la présente invention, est utilisé comme organe de refroidissement du compartiment à température intermédiaire 12. A cet effet, le capillaire 22 de détente entre les deux évaporateurs 21,23 est, au moins en partie, à l'intérieur dudit compartiment à température intermédiaire, de sorte qu'un échange thermique se crée, lors du fonctionnement, entre le capillaire et l'intérieur du compartiment.Between the outlet of the compressor and the evaporator 21 of the higher temperature compartment 11, is the condenser 25, in heat exchange with the outside, then a expansion member such as a capillary 24. Between the outlet of the evaporator 21 of the higher temperature compartment 11 and the inlet of the evaporator 23 of the lower temperature compartment 13, there is an expansion capillary 22 which, in accordance with the present invention, is used as a cooling member of the compartment intermediate temperature 12. For this purpose, the expansion capillary 22 between the two evaporators 21, 23 is, at least in part, inside said intermediate temperature compartment, so that a heat exchange is created during operation , between the capillary and the interior of the compartment.

La sortie de l'évaporateur 23 du compartiment à température plus basse 13 est reliée à l'entrée du compresseur 20.The outlet of the evaporator 23 from the lower temperature compartment 13 is connected to the inlet of the compressor 20.

Bien entendu, le circuit frigorifique peut comporter d'autres éléments classiques tels que bouilleur,etc.Of course, the refrigeration circuit can include other conventional elements such as a boiler, etc.

Le circuit de régulation thermique permettant le démarrage du compresseur 20 dans ce cas de figure n'est pas représenté, mais on peut envisager de placer un thermostat de démarrage du compresseur 20 dans n'importe lequel des compartiments, de façon à donner une priorité au compartiment considéré. De préférence, cependant, le thermostat est placé dans le compartiment à température plus basse ou dans celui à température plus haute, plutôt que dans celui à température intermédiaire.The thermal regulation circuit allowing the compressor 20 to start in this case is not shown, but it is possible to envisage placing a compressor starting thermostat 20 in any of the compartments, so as to give priority to the compartment considered. Preferably, however, the thermostat is placed in the lower temperature compartment or in the higher temperature compartment, rather than in the intermediate temperature compartment.

La figure 2 montre le schéma de principe d'une variante perfectionnée dans laquelle un ventilateur 26 ventile le capillaire 22 de refroidissement du compartiment à température intermédiaire 22.FIG. 2 shows the block diagram of an improved variant in which a fan 26 ventilates the capillary 22 for cooling the intermediate temperature compartment 22.

Afin d'éviter un brassage d'air dans ce compartiment qui serait préjudiciable au rendement frigorifique et risquerait d'entraîner une dessication, de préférence, le ventilateur 26 est dans un conduit 27, de même que la partie du capillaire 22 utilisée pour le refroidissement.To avoid air circulation in this compartment which would be detrimental to the refrigerating efficiency and would risk causing drying, preferably the fan 26 is in a duct 27, as is the part of the capillary 22 used for cooling.

De préférence, l'entrée du conduit 27 est à proximité de la partie basse d'une paroi verticale dudit compartiment, et la sortie est en regard de la paroi supérieure du compartiment, dans une zone diagonalement éloignée de l'entrée dudit conduit, de sorte que l'air froid ventilé se répartit dans tout le compartiment, comme l'indiquent les double flèches, en profitant au maximum des phénomènes de convection naturelle.Preferably, the inlet of the duct 27 is close to the lower part of a vertical wall of the said compartment, and the outlet is opposite the upper wall of the compartment, in an area diagonally distant from the inlet of the said duct, so that the ventilated cold air is distributed throughout the compartment, as indicated by the double arrows, taking full advantage of the phenomena of natural convection.

Ainsi si, comme le montre la figure 2, l'entrée du conduit 27 est près de la paroi arrière du compartiment, la sortie est à proximité de la face avant de l'armoire en haut du compartiment.So if, as shown in Figure 2, the inlet of the conduit 27 is near the rear wall of the compartment, the outlet is near the front of the cabinet at the top of the compartment.

Le ventilateur 26 est entraîné par un moteur 28 électrique alimenté par le circuit électrique de l'armoire, non représenté sur cette figure.The fan 26 is driven by an electric motor 28 supplied by the electrical circuit of the cabinet, not shown in this figure.

La régulation thermique peut être indépendante ou non des besoins frigorifiques du compartiment à température intermédiaire. La figure 3 en est une illustration.The thermal regulation can be independent or not of the refrigerating needs of the intermediate temperature compartment. Figure 3 is an illustration.

Ainsi, dans un exemple d'indépendance, le thermostat 30 de régulation est dans le compartiment à température plus haute, et la détection d'un besoin de froid dans ce compartiment entraîne la mise en route du compresseur 20 et simultanément celle du moteur 28 du ventilateur. Dans une variante semblable, le thermostat 30 est situé dans le compartiment à température plus basse.Thus, in an example of independence, the regulating thermostat 30 is in the higher temperature compartment, and the detection of a need for cold in this compartment causes the compressor 20 to start up and simultaneously that of the engine 28 of the fan. In a similar variant, the thermostat 30 is located in the lower temperature compartment.

La régulation peut être aussi totalement dépendante du compartiment à température intermédiaire. Dans ce cas, le thermostat 30 de démarrage du compresseur 20 et du moteur 28 de ventilateur est situé dans ledit compartiment.The regulation can also be totally dependent on the intermediate temperature compartment. In this case, the thermostat 30 for starting the compressor 20 and the fan motor 28 is located in said compartment.

Dans les trois exemples qui viennent d'être évoqués , le moteur 28 du ventilateur 26 et le moteur du compresseur 20 sont en parallèle, comme le montre la figure 3, et un contact 29 électrique est associé au thermostat 30 qui peut être situé indifféremment dans l'un ou l'autre des compartiments.In the three examples which have just been mentioned, the motor 28 of the fan 26 and the motor of the compressor 20 are in parallel, as shown in FIG. 3, and a contact 29 electric is associated with thermostat 30 which can be located in either of the compartments.

Ce contact 29 est placé entre la source d'alimentation électrique et un point commun de l'alimentation du compresseur 20 et du moteur 28 du ventilateur 26. Ce contact est fermé par le thermostat 30, dès qu'un besoin de froid se fait sentir à l'intérieur du compartiment dans lequel il se trouve.This contact 29 is placed between the electrical power source and a common point of the supply of the compressor 20 and of the motor 28 of the fan 26. This contact is closed by the thermostat 30, as soon as a need for cold is felt. inside the compartment in which it is located.

La figure 4 est une illustration d'une variante perfectionnée de régulation dans laquelle la mise en route du compresseur est liée au besoin en froid dans le compartiment à température plus haute 11 et dans laquelle le ventilateur 26 n'est mis en route que si un besoin d'apport de froid se fait sentir dans le compartiment à température intermédiaire 12, et que simultanément le compresseur fonctionne.FIG. 4 is an illustration of an improved variant of regulation in which the starting of the compressor is linked to the need for cooling in the higher temperature compartment 11 and in which the fan 26 is only started if a need for cooling is felt in the intermediate temperature compartment 12, and that simultaneously the compressor is running.

Pour cela, la mise en route du compresseur est obtenue par un thermostat 31 associé à un contact 32 placé dans le circuit commun d'alimentation du compresseur 20 et du moteur du ventilateur. Le thermostat 31 est à l'intérieur du compartiment à température plus haute 11.For this, the compressor is started up by a thermostat 31 associated with a contact 32 placed in the common supply circuit of the compressor 20 and of the fan motor. The thermostat 31 is inside the higher temperature compartment 11.

Le circuit d'alimentation du moteur 28 du ventilateur 26 est en parallèle sur les bornes du compresseur 20, et comporte un contact 33 associé à un thermostat 34 placé à l'intérieur du compartiment à température intermédiaire 12. Le contact 33 est fermé lorsque le compartiment 12 nécessite un apport de froid, mais le ventilateur 26 ne peut démarrer que si simultanément le contact 32 de mise en route du compresseur est fermé. Cet agencement évite que le ventilateur aspire inutilement de l'air relativement chaud alors que le compresseur est à l'arrêt.The supply circuit of the motor 28 of the fan 26 is in parallel on the terminals of the compressor 20, and comprises a contact 33 associated with a thermostat 34 placed inside the intermediate temperature compartment 12. The contact 33 is closed when the compartment 12 requires a supply of cold, but the fan 26 can only start if simultaneously the contact 32 for starting the compressor is closed. This arrangement prevents the fan unnecessarily sucking relatively hot air while the compressor is stopped.

Dans une variante non représentée, le thermostat 31 de mise en route du compresseur 20 est dans le compartiment à température plus basse.In a variant not shown, the thermostat 31 for starting the compressor 20 is in the lower temperature compartment.

Il est bien entendu que la réalisation des dispositifs de régulation n'est pas limitée aux seules variantes décrites, et que d'autres variantes autorisant des fonctions identiques sont possibles.It is understood that the production of the regulation devices is not limited to the variants described, and that other variants authorizing identical functions are possible.

La réalisation du circuit frigorifique d'une telle armoire est particulièrement aisée car elle ne nécessite pas plus de tube que les armoires classiques à deux compartiments et à un seul compresseur pour réaliser la jonction entre le compartiment à température plus haute et le compartiment à température plus basse. En effet, dans les armoires classiques, cette jonction nécessite la sortie d'une longueur suffisante de capillaire entre les deux compartiments. Lors de la réalisation de la présente armoire, il n'est pas nécessaire de sortir plus de tube. Il suffit de faire passer le capillaire de jonction à l'intérieur du compartiment à température intermédiaire, puis de le mettre en forme pour constituer l'organe de refroidissement du compartiment à température intermédiaire.The realization of the refrigeration circuit of such a cabinet is particularly easy because it does not require more tube than conventional cabinets with two compartments and a single compressor to achieve the junction between the higher temperature compartment and the higher temperature compartment low. Indeed, in conventional cabinets, this junction requires the exit of a sufficient length of capillary between the two compartments. When making this cabinet, it is not necessary to take out more tube. It suffices to pass the junction capillary inside the intermediate temperature compartment, then to shape it to constitute the cooling member of the intermediate temperature compartment.

De préférence, ladite mise en forme est réalisée en enroulant le capillaire sur un gabarit qui est retiré après, ainsi le capillaire prend la forme d'un serpentin.Preferably, said shaping is carried out by winding the capillary on a template which is removed afterwards, thus the capillary takes the form of a serpentine.

L'invention est donc particulièrement avantageuse en raison de son faible coût, de sa facilité de réalisation et de son fonctionnement à température précise, notamment dans les cas où le démarrage du compresseur est déterminé par la température de l'un des compartiments à température supérieure ou inférieure, et dans lesquels un ventilateur répartit le froid, si nécessaire, dans le compartiment à température intermédiaire.The invention is therefore particularly advantageous because of its low cost, its ease of production and its operation at a precise temperature, in particular in cases where the starting of the compressor is determined by the temperature of one of the compartments at higher temperature. or lower, and in which a fan distributes the cold, if necessary, in the intermediate temperature compartment.

Dans un mode de réalisation, le compartiment à température inférieure est un compartiment de congélation à -18°C environ, le compartiment à température supérieure est un compartiment de réfrigération à +5°C environ et le compartiment à température intermédiaire est un compartiment maintenu dans des températures proches de 0°C.In one embodiment, the lower temperature compartment is a freezing compartment at approximately -18 ° C., the higher temperature compartment is a refrigeration compartment at approximately + 5 ° C. and the intermediate temperature compartment is a compartment maintained in temperatures close to 0 ° C.

Claims (12)

1. Armoire frigorifique comportant au moins trois compartiments (11,12,13) à températures différentes, dont deux (11,13) sont refroidis par deux évaporateurs (21,23) distincts, un pour chaque compartiment, reliés à un circuit frigorifique unique à compresseur (20) et condenseur (25), et comportant un organe de détente (22) entre les deux évaporateurs, caractérisée en ce que l'organe de détente (22) est un capillaire dont une partie au moins est en échange thermique avec un troisième compartiment (12) et constitue l'organe de refroidissement dudit troisième compartiment.1. Refrigeration cabinet comprising at least three compartments (11,12,13) at different temperatures, two of which (11,13) are cooled by two separate evaporators (21,23), one for each compartment, connected to a single refrigeration circuit with compressor (20) and condenser (25), and comprising an expansion member (22) between the two evaporators, characterized in that the expansion member (22) is a capillary at least part of which is in heat exchange with a third compartment (12) and constitutes the cooling member of said third compartment. 2. Armoire frigorifique selon la revendication 1, caractérisée en ce que le troisième compartiment (12) est à une température intermédiaire aux deux autres (11,13).2. Refrigeration cabinet according to claim 1, characterized in that the third compartment (12) is at an intermediate temperature to the other two (11,13). 3. Armoire frigorifique selon la revendication 1, caractérisée en ce que le troisième compartiment (12) possède un volume inférieur à chacun des deux autres.3. Refrigeration cabinet according to claim 1, characterized in that the third compartment (12) has a volume less than each of the other two. 4. Armoire frigorifique selon l'une quelconque des revendications 1 à 3 précédentes, caractérisée en ce que le capillaire (22) de refroidissement du troisième compartiment (12) possède la forme d'un serpentin.4. Refrigeration cabinet according to any one of the preceding claims 1 to 3, characterized in that the capillary (22) for cooling the third compartment (12) has the shape of a coil. 5. Armoire frigorifique selon l'une des revendications 1 à 4, caractérisée en ce qu'elle comporte un unique thermostat de démarrage du compresseur placé dans l'un quelconque de ses compartiments (11,12 ou 13).5. Refrigeration cabinet according to one of claims 1 to 4, characterized in that it comprises a single compressor start thermostat placed in any one of its compartments (11, 12 or 13). 6. Armoire frigorifique selon l'une des revendications 1 à 4 précédentes, caractérisée en ce que le capillaire (22) est dans un conduit (27) ménagé dans le troisième compartiment (12), et possédant une entrée et une sortie d'air à l'intérieur dudit compartiment, et en ce qu'un ventilateur (26) est intercalé entre l'entrée et le capillaire (22).6. Refrigeration cabinet according to one of the preceding claims 1 to 4, characterized in that the capillary (22) is in a duct (27) formed in the third compartment (12), and having an air inlet and outlet inside said compartment, and in that a fan (26) is interposed between the inlet and the capillary (22). 7. Armoire frigorifique selon la revendication 6, caractérisée en ce que l'entrée du conduit (27) est à proximité d'une paroi verticale dudit troisième compartiment (12), et en ce que la sortie du conduit est à proximité de la paroi supérieure, dans une zone diagonalement opposée à ladite entrée.7. Refrigeration cabinet according to claim 6, characterized in that the inlet of the conduit (27) is near a vertical wall of said third compartment (12), and in that the outlet of the conduit is near the upper wall, in an area diagonally opposite to said Entrance. 8. Armoire frigorifique selon la revendication 6, caractérisée en ce que le ventilateur (26) est entraîné par un moteur électrique (28) dont le circuit d'alimentation électrique est en parallèle sur les bornes du moteur du compresseur (20), et en ce qu'elle comporte des moyens pour permettre le démarrage du moteur (28) du ventilateur (26) exclusivement lorsque le moteur du compresseur (20) fonctionne.8. Refrigeration cabinet according to claim 6, characterized in that the fan (26) is driven by an electric motor (28) whose electric supply circuit is in parallel on the terminals of the compressor motor (20), and in which it includes means for allowing the motor (28) of the fan (26) to start exclusively when the motor of the compressor (20) is operating. 9. Armoire frigorifique selon la revendication 8, caractérisée en ce que lesdits moyens pour permettre le démarrage du moteur du ventilateur lorsque le moteur du compresseur fonctionne sont constitués par un premier contact (29,32) électrique, qui est placé entre la source d'alimentation électrique et le point commun aux circuits électriques du moteur (28) du ventilateur (26) et du moteur du compresseur, et qui est associé à un premier thermostat (30,31) placé dans l'un des trois compartiments et qui ferme ledit contact lorsqu'un apport de froid est nécessaire.9. Refrigeration cabinet according to claim 8, characterized in that said means for allowing the starting of the fan motor when the compressor motor is operating consist of a first electrical contact (29,32), which is placed between the source of electrical supply and the point common to the electrical circuits of the motor (28) of the fan (26) and of the compressor motor, and which is associated with a first thermostat (30, 31) placed in one of the three compartments and which closes said contact when a cold supply is necessary. 10. Armoire frigorifique selon la revendication 9, caractérisée en ce qu'elle comporte un seul thermostat (30) placé dans l'un quelconque des compartiments, et en ce que ledit thermostat (30) est associé à au moins un contact (29) situé entre la source d'alimentation et les circuits des moteurs du ventilateur et du compresseur.10. Refrigeration cabinet according to claim 9, characterized in that it comprises a single thermostat (30) placed in any one of the compartments, and in that said thermostat (30) is associated with at least one contact (29) located between the power source and the fan and compressor motor circuits. 11. Armoire frigorifique selon la revendication 9, caractérisé en ce que ledit premier thermostat (31) est placé dans l'un des compartiments (11,13) refroidis par un évaporateur (21,23) et en ce que le circuit électrique du moteur (28) du ventilateur comporte un second contact (33) associé à un second thermostat (34), placé dans le troisième compartiment (12) comprenant le ventilateur (26) et le capillaire (22), et en ce que ledit second contact (33) est fermé par le second thermostat (34) lorsqu'un apport de froid est nécessaire dans le troisième compartiment (12).11. Refrigeration cabinet according to claim 9, characterized in that said first thermostat (31) is placed in one of the compartments (11,13) cooled by an evaporator (21,23) and in that the electric circuit of the engine (28) of the fan has a second contact (33) associated with a second thermostat (34), placed in the third compartment (12) comprising the fan (26) and the capillary (22), and in that said second contact ( 33) is closed by the second thermostat (34) when a supply of cold is necessary in the third compartment (12). 12. Armoire frigorifique selon l'une quelconque des revendications 1 à 11, caractérisée en ce que les premier et second compartiments (11,13) sont un compartiment de réfrigération maintenu à une température de l'ordre de +5°C et un compartiment de congélation maintenu à une température de l'ordre de -18°C, et en ce que le troisième compartiment (12) est un compartiment de conservation maintenu à une température proche de 0°C.12. Refrigeration cabinet according to any one of claims 1 to 11, characterized in that the first and second compartments (11,13) are a refrigeration compartment maintained at a temperature of the order of + 5 ° C and a compartment freezing compartment maintained at a temperature of the order of -18 ° C, and in that the third compartment (12) is a storage compartment maintained at a temperature close to 0 ° C.
EP19880400994 1987-04-29 1988-04-22 Refrigerated cabinet having three compartments with differing temperatures Expired - Lifetime EP0289408B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8706103 1987-04-29
FR8706103A FR2614681B1 (en) 1987-04-29 1987-04-29 REFRIGERATOR CABINET WITH THREE COMPARTMENTS AT DIFFERENT TEMPERATURES

Publications (2)

Publication Number Publication Date
EP0289408A1 true EP0289408A1 (en) 1988-11-02
EP0289408B1 EP0289408B1 (en) 1991-12-27

Family

ID=9350640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880400994 Expired - Lifetime EP0289408B1 (en) 1987-04-29 1988-04-22 Refrigerated cabinet having three compartments with differing temperatures

Country Status (5)

Country Link
EP (1) EP0289408B1 (en)
DE (1) DE3867118D1 (en)
DK (1) DK166296C (en)
ES (1) ES2027774T3 (en)
FR (1) FR2614681B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665754A1 (en) * 1990-08-13 1992-02-14 Rohner Peter Moderate-temperature compartment for refrigerator
ES2060493A2 (en) * 1992-01-23 1994-11-16 Arevalo Construcciones Metalic Improvement to cooling systems for combined refrigeration cabinets

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2065604A (en) * 1934-03-26 1936-12-29 Gen Motors Corp Refrigerating apparatus
US2089608A (en) * 1934-01-30 1937-08-10 Gen Motors Corp Refrigerating apparatus
US2539105A (en) * 1943-01-15 1951-01-23 Gibson Refrigerator Co Two-temperature refrigerator
FR1152052A (en) * 1951-04-28 1958-02-11 Gen Motors Corp Advanced refrigerator appliance
GB2017889A (en) * 1978-03-29 1979-10-10 Tokyo Shibaura Electric Co Refrigerating apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089608A (en) * 1934-01-30 1937-08-10 Gen Motors Corp Refrigerating apparatus
US2065604A (en) * 1934-03-26 1936-12-29 Gen Motors Corp Refrigerating apparatus
US2539105A (en) * 1943-01-15 1951-01-23 Gibson Refrigerator Co Two-temperature refrigerator
FR1152052A (en) * 1951-04-28 1958-02-11 Gen Motors Corp Advanced refrigerator appliance
GB2017889A (en) * 1978-03-29 1979-10-10 Tokyo Shibaura Electric Co Refrigerating apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665754A1 (en) * 1990-08-13 1992-02-14 Rohner Peter Moderate-temperature compartment for refrigerator
BE1004258A5 (en) * 1990-08-13 1992-10-20 Peter Rohner Refrigerator compartment tempere.
WO1993003316A1 (en) * 1990-08-13 1993-02-18 Peter Rohner Warm section for a refrigerator
ES2060493A2 (en) * 1992-01-23 1994-11-16 Arevalo Construcciones Metalic Improvement to cooling systems for combined refrigeration cabinets

Also Published As

Publication number Publication date
DK228788A (en) 1988-10-30
DE3867118D1 (en) 1992-02-06
DK166296C (en) 1993-08-30
ES2027774T3 (en) 1992-06-16
FR2614681B1 (en) 1989-06-09
EP0289408B1 (en) 1991-12-27
DK166296B (en) 1993-03-29
DK228788D0 (en) 1988-04-27
FR2614681A1 (en) 1988-11-04

Similar Documents

Publication Publication Date Title
FR2611383A1 (en) REFRIGERATION APPARATUSES USING COLD BUILDING MATERIAL
FR2689064A1 (en) Operating method for operating a compartmentalized means of transport refrigeration system.
EP1857363A1 (en) Temperature regulating device
US2487182A (en) Two-temperature refrigerator having means for defrosting
FR2611385A1 (en) COLD-ACCUMULATING REFRIGERATOR
FR2529652A1 (en) REFRIGERATOR CONTROL DEVICE
EP0289408B1 (en) Refrigerated cabinet having three compartments with differing temperatures
FR2576676A1 (en) REFRIGERATED CABINET WITH THREE COMPARTMENTS
FR2625299A1 (en) AIR CONDITIONING SYSTEM IN WHICH REFRIGERATOR OR HEATING CABINET IS INTEGRATED, AND CORRESPONDING ENERGY SOURCE CIRCUIT
FR2507295A1 (en) GRAVITY DEFROSTING SYSTEM
WO1999056071A1 (en) Refrigerating drawer for storage column
FR2569470A1 (en) CIRCULATION ARRANGEMENT OF AIR AND EVAPORATOR IN A REFRIGERATOR
FR2570810A3 (en) FOOD CABINET COMPRISING A HOT COMPARTMENT AND A COLD COMPARTMENT AIR CONDITIONED BY A SINGLE REFRIGERATION UNIT
FR2875894A1 (en) COMBINED INTERNAL HEAT EXCHANGER AND ACCUMULATOR DEVICE FOR AIR CONDITIONING CIRCUIT
FR2562218A1 (en) Solar-powered refrigerator
FR2689220A1 (en) Absorption refrigerator using microwaves as heat source - uses sliding control facing magnetron to direct microwaves to either absorption refrigerator or microwave oven.
FR2465446A1 (en) Top open refrigerated display container - has air conduits round display chamber, with refrigerator unit and reversible fan
FR2524060A1 (en) Cooling system for motor vehicle heat engine - uses main and auxiliary radiator, latter having enclosure permitting air to be directed to vehicle heating or cooling
JP2002195729A (en) Refrigerator
EP0178226B1 (en) Two-compartment refrigerated cabinet
EP0546931B1 (en) Freeze drying apparatus
EP0229410A1 (en) Refrigeration machine
CH518508A (en) Evaporator defrost device of a refrigeration machine
WO2005025959A2 (en) Method for cooling tube railway cars without releasing heat in the underground and capable of cooling even the stations
JP3819644B2 (en) refrigerator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES FR GB IT NL SE

17P Request for examination filed

Effective date: 19890410

17Q First examination report despatched

Effective date: 19900322

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES FR GB IT NL SE

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REF Corresponds to:

Ref document number: 3867118

Country of ref document: DE

Date of ref document: 19920206

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19920430

Year of fee payment: 5

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2027774

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19931101

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19940321

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940326

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19940328

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19940406

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19940411

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19940419

Year of fee payment: 7

EAL Se: european patent in force in sweden

Ref document number: 88400994.5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950422

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19950423

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19950424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19950430

BERE Be: lapsed

Owner name: SOC. D'ELECTROMENAGER DU NORD SELNOR

Effective date: 19950430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950422

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19951229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960103

EUG Se: european patent has lapsed

Ref document number: 88400994.5

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19990405

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050422