EP2198225B1 - Refrigeration module and refrigeration system - Google Patents
Refrigeration module and refrigeration system Download PDFInfo
- Publication number
- EP2198225B1 EP2198225B1 EP08800209A EP08800209A EP2198225B1 EP 2198225 B1 EP2198225 B1 EP 2198225B1 EP 08800209 A EP08800209 A EP 08800209A EP 08800209 A EP08800209 A EP 08800209A EP 2198225 B1 EP2198225 B1 EP 2198225B1
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- EP
- European Patent Office
- Prior art keywords
- housing
- refrigeration
- refrigeration module
- module
- refrigeratable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 174
- 239000003570 air Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 241000237519 Bivalvia Species 0.000 claims 1
- 235000020639 clam Nutrition 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 13
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- 238000012423 maintenance Methods 0.000 description 8
- 230000008439 repair process Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
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- 238000009833 condensation Methods 0.000 description 1
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Images
Classifications
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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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/02—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors plug-in type
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
Definitions
- the present invention relates to a portable refrigeration module. More particularly, the invention relates to a self-contained mobile refrigeration unit having a construction arrangement which enables it to be effectively compatible with several models, types and variations of refrigeratable compartments.
- the present invention further relates to a refrigeration system comprising the abovementioned portable refrigeration module.
- Refrigeration equipments such as refrigerators, freezers and air conditioners comprise a refrigeration circuit having at least one condenser, one evaporator, one compressor and tubes, as well as other elements that help in the refrigeration process.
- the refrigeration circuit is mounted / installed in a fixed manner and inside a refrigeratable compartment.
- the refrigerating and the refrigerated portions of a kitchen refrigerator are associated in such a way that only a trained technician or a skilled artisan is capable of disassembling or dismounting said portions.
- the conventional refrigeration apparatuses lack mobility, because after installation it is difficult to move and/or transport them to other areas or rooms, forcing the user to go to the site where the refrigeration equipment is installed.
- Even refrigeration appliances considered to be portable are difficult to move because of their fixed and limited shape, which prevent them from being adapted to different types of environments.
- European document EP 1691152 discloses a modular refrigeration unit usable in a refrigeration cabinet. This unit comprises the condensing assembly and the evaporating assembly operatively connected.
- the condensing assembly is open, not being safe for the transportation of the unit, because the pieces and parts are exposed and unprotected from accidental shocks and foreign objects.
- its construction makes handling difficult, affecting its portability.
- the vertical configuration disclosed limits its adaptability, because only certain specific types of cabinets can be used together with this refrigeration unit.
- the refrigeration units described in the documents cited above have the disadvantage of only working satisfactorily in specific cabinet models, which are especially configured to receive only certain types of refrigeration units (modules) and, therefore, are not flexible and easily adaptable, and they have a component distribution system that facilitates the undesired heat transfer between them, adversely affecting the performance of the module.
- the construction arrangements of said units there is no optimization of the storage capacity of the cabinet to be refrigerated, and the portability of said units is questionable, because in addition to the apparent lack of practical transportation, the pieces and parts are not duly protected so as to prevent damage risks.
- WO 01/25703 A discloses a sealed unit of refrigerant fluid for a refrigeration appliance, comprising a hermetic compressor, a condenser, an evaporator, an expanding device, and conducting tube of refrigerant fluid, at least one of the parts consisting of the condenser and the evaporator being defined as a prismatic body which is at least partially tubular, the component parts of the sealed unit being relatively displaced from an inoperative position of transportation, in which the hermetic compressor and the conducting tubes remain contained within a contour defined by the contour of at least one of the parts consisting of the condenser and the evaporator, to a mounting operative position in a refrigeration appliance.
- WO 2007/063078 A (TECUMSEH EUROP SA) published 7 June 2007 discloses refrigeration device comprises a condensing stage and an evaporating stage, with a refrigerant circulating through them and confined within a circuit.
- the device is designed to refrigerate the interior of a heat-insulated cupboard.
- the device comprises a heat insulator to separate the evaporating and condensing stages.
- the heat insulation is produced in one piece and forms a load bearing structure for the evaporating stage (7), and the circuit consists of rigid channels, at least one of which is deformable to permit installation of the circuit containing the refrigerant and sealed within the heat insulation (33).
- a method of assembling a device consists in performing the following operations in sequence: filling the fluid circuit, sealing the circuit, testing the circuit, and installing the heat insulation (33).
- a first objective of the present invention is to provide a portable and self-contained refrigeration unit, being simple and easy to install and maintain as well as effectively compatible with several types, models and variations of refrigeratable compartments (optimized power consumption and occupied volume).
- the present invention aims at filling a gap existing in the field of refrigeration equipment through the development of a portable and self-contained refrigeration unit or module with good efficiency levels (high yield and power savings) and that can be installed in, and removed from, various types and models of compartments, cabinets and/or spaces in a simple and fast way without the need for adaptations and/or modifications that are difficult to implement.
- it should enable flexibility in the positioning of the module as well as in the division of the refrigerated space and also the optimization of said space.
- a means to achieve the first objective of the present invention is by providing a refrigeration module capable of being removably fitted into a refrigeratable compartment, comprising a first housing and a second housing associated with each other, the first housing being in contact with the inside of the refrigeratable compartment, the second housing being In contact with the outside of the refrigeratable compartment, the first housing having an evaporator, the second housing having a condenser and a compressor pneumatically connected with each other, the compressor being pneumatically associated with the evaporator through at least one suction line, the first housing and the second housing being mechanically connected with each other, the first housing being capable of angularly moving in relation to the second housing in a pivotable way through an articulation mechanism.
- the refrigerated space can be optimized with the use of the first portion at horizontal position (90 degrees between portions), serving as a compartment divider.
- This construction arrangement also enables height variation of the position of the module in the refrigerated space, consequently rendering the division of said space flexible.
- the volumes resulting from this division can be kept at different temperatures and said temperatures can be reverted without affecting the position of the module.
- Cabinets with varied refrigeration capacities can be served keeping the external dimensions of the module and changing only the internal components.
- a second objective of the present invention is to provide a refrigeration system comprising the refrigeration unit mentioned above, In the means indicated above.
- the second objective of the present invention is achieved by a refrigeration system having at least one refrigeration cabinet to accommodate refrigeratable items, the refrigeration system comprising at least one refrigeration module, the refrigeration module according to the means as mentioned above.
- Figures 1 , 9 , 12 and 16 represent types of preferred embodiments of a refrigeration module 1, which is the object of the present invention.
- the refrigeration module 1 can be used in any refrigeratable compartment, such as various types and models of household / commercial / industrial / transportation refrigerator and freezer cabinets, air conditioner cabinets, cupboards, rooms, boxes, spaces, among others.
- the refrigeratable compartment needs only to have a recess, a hollow portion or any support base.
- figures 11 , 14 and 17 show refrigeration cabinets 2 which are able to accommodate refrigeratable items used in household refrigerators.
- the ability to remove the refrigeration module 1 allows for easiness of repair and/or preventive maintenance, because the user needs only to remove the refrigeration module 1 from the refrigeratable compartment and take it to a technical support center. Therefore, there is no need for a technician to visit the site where the refrigeration equipment (i.e., household refrigerator) is installed. Furthermore, during the time needed for repair/maintenance, the damaged refrigeration module 1 can be replaced with another functioning module, and said functioning module can be provided by technical support itself.
- refrigeratable compartment types that can be used represents an evident advantage in relation to refrigeration modules known in the art, wherein only some specific refrigeratable compartment models can be used so that said refrigeration modules can be fitted.
- adaptations are often needed which are complex and difficult to implement, increasing production costs.
- Figure 4 depicts the main elements arranged in the internal parts of said refrigeration module. Such elements form a conventional refrigeration circuit, which is well-known and normally used in household air conditioners, refrigerators and freezers.
- Figure 6 shows the refrigeration circuit comprising an evaporator 104, an accumulator 105, a compressor 204, a filter drier 205, a condenser 206, and an expansion device 11 associated with one another by tubes, in which a cooling fluid circulates, which cooling fluid, in turn, is responsible for heat (energy) exchange and transportation.
- the expansion device 11 is represented by a capillary tube, associated with a suction line 12, which in turn associates the compressor 204 with the accumulator 105.
- the expansion device is a valve (which is not depicted in the drawings), it would be arranged next to the evaporator inlet 104 and connected to the filter drier 205 by a tube.
- the condenser 206 is known as the hot heat exchanger of a refrigeration apparatus while the evaporator 104 is known as the cold heat exchanger.
- These heat exchangers can assume different construction arrangements, such as microchannels, finned tube, wire wound tube, roll-bond, among others, some of which enable more compact refrigeration modules.
- the evaporator 104, the accumulator 105 and the expansion device 11 (integrally in the case of a valve and partially in the case of a capillary tube) connected to one another constitute a first housing 100 that represents the "cold portion” of the refrigeration module.
- the first housing 100 is totally (integrally) accommodated inside the refrigeratable compartment and the second housing 200 is totally accommodated outside the refrigeratable compartment, for maximum performance and greater energy efficiency to be obtained.
- this configuration is not mandatory, and it is possible that the first housing 100 and/or the second housing 200 is accommodated only partially inside and outside the refrigeratable compartment, respectively.
- the first housing 100 and the second housing 200 are associated with each other through the suction line 12 and the expansion device 11 (or tubes, connecting the evaporator 104 and the filter drier 205, if the expansion device 11 is a valve), whose function is to enable the exchange of heat (energy) between the elements comprised by the first housing 100 and by the second housing 200, especially the condenser 206 and the evaporator 104.
- the first housing 100 externally involves the evaporator 104, the accumulator 105 and the expansion device 11 (integrally, in the case of a valve and partially in the case of a capillary tube).
- the first housing 100 comprises at least a first lid 102 removably fitted into a first base 103, and the evaporator 104, the accumulator 105 and the expansion device 11 are arranged in the first base.
- the first housing 100 further comprises at least one outlet 107 which enables the refrigerated air to flow to the environment.
- This outlet can be controlled by a damper for better air distribution inside the cabinet.
- at least a first fan 106 is fixed / installed in the first housing 100 next to said outlet 107.
- variable rotation fans and two-coil fans can be used also enabling better air flow rate control inside the cabinet and even temperature reversal between compartments.
- This housing can also comprise air filters and/or odorizers (not depicted in the drawings) to improve the quality of the refrigerated air.
- the first housing 100 has inlet slots 108 which enable ambient air to flow into the first housing 100. Therefore, the first housing 100 is the interface between the refrigeration module 1 and the inside of the refrigeratable compartment.
- the second housing 200 externally involves the condenser 206, the compressor 204 and the filter drier 205.
- the second housing 200 comprises at least a second lid 202 removably fitted to a second base 203, and the condenser 206, the compressor 204 and the filter drier 205 are arranged in the second base 203.
- the second housing 200 has cooling slots 207 that enable heat dispersion to the environment with the help of at least a second fan 210. Therefore, the second housing 200 is the interface between the refrigeration module 1 and the outside of the refrigeratable compartment.
- the first housing 100 and the second housing 200 should be totally or partially made of thermal insulating material to minimize undesired heat transfer between the refrigeration module (especially the hot portion) and the cabinet.
- Insulation materials such as polyurethane, polystyrene or vacuum panels can be used, the latter enabling thinner walls and consequently a slimmer refrigeration module.
- Other materials, such as plastic and stainless steel can be part of said structures for weight reduction or corrosion protection.
- sealing and vibration insulating materials can be employed to for noise reduction purposes.
- the possibility of closing the first housing 100 and the second housing 200 facilitates the transportation of the refrigeration module 1 and also provides the mechanical protection of all pieces and parts that form the refrigeration circuit, such as, for instance, when the user takes the refrigeration module 1 for repair/maintenance to a technical support center.
- the risks of damaging the pieces and parts are prevented by closing said housings, avoiding said pieces and parts to be exposed and unprotected from accidental shocks and foreign objects.
- the refrigeration module 1 enables it to be moved along the extension of the refrigeratable compartment.
- the refrigeratable compartment is a household refrigerator cabinet
- the refrigeration module 1 can be positioned from its base to the top, depending on the required application.
- two refrigeratable compartments for instance, can be kept at different temperatures, regardless of the volumes of these compartments. Therefore, as previously mentioned, temperature reversal or change between refrigeratable compartments is also possible.
- the external dimensions of the first housing 100 and the second housing 200 can be kept, and different types of refrigeration modules 1 can be implemented having varied refrigeration capacities through the use of variable capacity compressors and/or only replacing the internal components.
- the dimensions and the shape of the refrigeratable compartment can remain unchanged.
- Control lights, electronic circuits which currently are part of the cabinet could also be coupled to the refrigeration module, as well as specific component controls, such as compressor and expansion device, enabling an increase in their efficiency.
- the electric supply to or energization of the refrigeration module 1, which is not depicted in the drawings, is preferably provided by a conventional electric cable to be connected to an alternating current (AC) power socket.
- AC alternating current
- batteries, a DC power supply or any other type of power supply may be used, as long as it is compatible with the operation of the refrigeration module 1.
- the refrigeration module 1 is self-contained because, in addition to comprising all of the elements, pieces and parts required to provide refrigeration, its electric supply is not provided by / dependent on the refrigeratable compartment, as is the case of a conventional household refrigerator.
- FIGS. 1 and 8 illustrate details of a first embodiment of the refrigeration module 1 of the present invention.
- the first housing 100 is capable of angularly moving in relation to the second housing 200.
- the refrigeration module 1 is configured in "L”, that is, the first housing 100 is angularly positioned in a stabilized way at 90 degrees from the second housing 200.
- the refrigeration module 1 is configured in "I”, that is, the first housing 100 is angularly positioned in a stabilized way at 180 degrees from the second housing 200.
- the angular movement between the first housing 100 and the second housing 200 enables flexibility and the simple and easy adaptation of the refrigeration module 1 to several types of compartments, including those that were not specially designed to receive the refrigeration module 1. Therefore, this construction arrangement, which enables the freedom of angular movement between the first housing 100, comprising the evaporator 104, and the second housing 200, comprising the condenser 206, was never exploited before in self-contained modular refrigeration equipment.
- Said angular movement between the first housing 100 and the second housing 200 is enabled by means of an articulation mechanism 300, which preferably comprises pivoting pins 301 mounted on first fitting holes 110 and on second fitting holes 209 comprised by the first housing 100 and by the second housing, respectively.
- the first housing 100 and the second housing 200 slide over the pivoting pins 301 so as to enable the angular movement between the first housing 100 and the second housing 200.
- the pivoting pins 301 and/or the first and second fitting holes 110, 209 should provide sufficient friction to enable angular movement and also to enable that the first housing 100 stabilizes in relation to the second housing 200 in any angular position.
- Another type of articulation mechanism 300 could be used provided it is suitable for this application. For instance, a pivoting axis could be used associating the holes of said housings instead of the pivoting pin 301, or else, some type of spring/lock mechanism.
- the suction line 12 and the expansion device 11, which associate a first housing 100 with a second housing 200 are flexible.
- a passage groove 208 from the second housing 200 and a passage hole 109 from the first housing 100 aligned to each other enable the passage of the suction line 12 and the expansion device 11 from the first housing 100 to the housing 200.
- the suction line 12 and the expansion device 11 can be rigid, if they are not subject to any force that might damage them.
- Figures 9 and 10 illustrate a second embodiment of the refrigeration module 1 of the present invention.
- FIG. 9 illustrates the closed or the 0 (zero) degree configuration, which facilitates the transportation of the refrigeration module 1, because the space occupied by it is reduced. This configuration can also be used in the functioning mode of the refrigeration module 1.
- the other differences in relation to the first embodiment represent only design and shape variations of the first housing 100 and the second housing 200.
- Figures 12 and 13 illustrate a third embodiment of the refrigeration module 1 which is not part of the present invention.
- the first housing 100 is capable of axially moving in relation to the second housing 200 through a sliding mechanism 400.
- a first housing 100 has a slit 401 through which the edges of the second housing 200 slide.
- This sliding mechanism 400 enables the first housing 100 to stabilize in relation to the second housing 200 at any axial position through a conventional mechanic lock (not depicted in the drawing) capable of fixing the first housing 100 to the second housing 200 so as not to allow any relative movement between them.
- the closed configuration (or 0 degree) illustrated In Figure 12 is preferably used for the transportation of the refrigeration module 1.
- FIGS 15 and 16 illustrate a forth embodiment of the refrigeration module 1 of the present invention.
- This embodiment is very similar to the second embodiment, and the differences represent only design and shape variations of the first housing 100 and the second housing 200.
- the closed configuration (or 0 degree) illustrated in Figure 15 is preferably used for the transportation of the refrigeration module 1.
- FIGS 11 , 14 and 17 show refrigeration systems 500 which respectively comprise the second to forth embodiments of the refrigeration module 1 and a refrigeration cabinet 2,
- This refrigeration system 500 is represented by a household refrigerator with a freezer; however, as already mentioned, other types of refrigeratable compartments can be used.
- the refrigeration module 1 is Integrally accommodated on the back wall 501 of the refrigeration cabinet 2 so as not to functionally and esthetically interfere with the front part of the refrigerator-freezer.
- Figures 11 and 17 depict some configurations showing how the refrigeration module 1 can be moved along the back wall 501 of the refrigeration cabinet 2.
- Figure 11A illustrates a configuration in which only the freezer is refrigerated by the refrigeration module 1.
- Figure 11B the refrigeration module 1 second embodiment
- Figures 17A and 17B illustrate the same configurations shown in Figures 11A and 11B , respectively, using the fourth embodiment of the refrigeration module 1.
- Figures 17C and 17D illustrate alternative configurations enabled by the flexibility and adaptability of the fourth embodiment of the refrigeration module 1.
- the first housing 100 of the refrigeration module 1 is partially or totally accommodated inside the refrigeration cabinet 2 and the second housing 200 of the refrigeration module 1 is partially or totally accommodated outside the refrigeration cabinet 2 to provide optimized performance and power efficiency.
- this configuration is not mandatory, as illustrated in Figure 17D (180 degree configuration), wherein the first housing 100 is accommodated outside the refrigeration cabinet 2.
Abstract
Description
- The present invention relates to a portable refrigeration module. More particularly, the invention relates to a self-contained mobile refrigeration unit having a construction arrangement which enables it to be effectively compatible with several models, types and variations of refrigeratable compartments.
- The present invention further relates to a refrigeration system comprising the abovementioned portable refrigeration module.
- Refrigeration equipments such as refrigerators, freezers and air conditioners comprise a refrigeration circuit having at least one condenser, one evaporator, one compressor and tubes, as well as other elements that help in the refrigeration process. Normally, in this type of refrigeration equipment, the refrigeration circuit is mounted / installed in a fixed manner and inside a refrigeratable compartment. In other words, the refrigerating and the refrigerated portions of a kitchen refrigerator, for instance, are associated in such a way that only a trained technician or a skilled artisan is capable of disassembling or dismounting said portions.
- Thus, if a piece or a part of the refrigeration circuit has an operating problem and needs maintenance, a technician is needed to repair the equipment. Furthermore, depending on the time required for repairing the equipment, the unavailability of an essential piece of equipment such as the refrigerator, the function of which is to preserve food, causes problems for users. In this sense, the preventive maintenance of household refrigerators rarely is done because of the difficulties involved. Often, the only solution for the user is to buy a new refrigerator because of the impossibility / difficulty of repairing and maintaining the existing equipment and/or the lack of replacement parts from the technical support.
- To avoid such problems, a solution would be to buy a backup refrigerator; however, the costs and the space requirements involved are disadvantageous. Currently, there are smaller portable refrigerators that can ease the problem, but their storage capacity is considerably lower in relation to the normal size refrigerators and it will probably not be sufficient to accommodate all refrigeration items.
- In addition to the repair and maintenance issue, in this type of construction arrangement, practicality is also affected, since the dimensions of the refrigeration equipment, such as a refrigerator or air conditioner, do not enable it to be easily installed in every place. The user should adapt the site to accommodate the refrigeration equipment; thus, if there is a need to change this piece of equipment, another one with similar dimensions should be found or the site has to be readapted in order to meet the spatial needs.
- Moreover, the conventional refrigeration apparatuses lack mobility, because after installation it is difficult to move and/or transport them to other areas or rooms, forcing the user to go to the site where the refrigeration equipment is installed. Even refrigeration appliances considered to be portable are difficult to move because of their fixed and limited shape, which prevent them from being adapted to different types of environments.
- Document
US 3,712,078 relates to a removable refrigeration unit that can be adapted for mounting on several types of refrigeration cabinets. In spite of the advantages provided by this adaptability, the proximity with the condenser, compressor and evaporator without proper insulation is a construction arrangement that facilitates undesired heat transfer through the air, adversely affecting the performance of the module. European documentEP 1547492 also relates to a similar modular refrigeration unit. - Document
US 5,417,081 relates to a modular refrigeration apparatus divided into two portions: a lower and an upper portion; the storage compartments/units are positioned in the upper portion and a removable refrigeration unit is positioned in the lower portion. The apparatus disclosed in this document enables the insulation of the evaporator and condenser to obtain greater energy efficiency, only when the refrigeration unit is used together with a specially adapted cabinet having a construction arrangement capable of providing said insulation. Thus, the refrigeration unit alone does not provide this insulation feature, because it depends on the shape of the cabinet or compartment in which the unit is fitted / installed. Another prior-art document,US 5,458,407 , discloses a similar apparatus, wherein the refrigeration unit is removably fitted to facilitate repair and maintenance, and in this case also the refrigeration unit's efficiency directly depends on the insulation provided by the arrangement of the adapted cabinet. - Document
US2007044498 describes a refrigeration apparatus comprising two evaporators capable of refrigerating a plurality of shelves of the cabinet of the refrigeration equipment, connected to each other by pipes. The air outlet ducts are directed to each shelve and said ducts enable the provision of different intensity levels of refrigeration to each shelf of the cabinet. Although this US document describes a very useful configuration, it does not disclose a portable refrigeration unit, that is, an apparatus that is easily removed from the refrigeration cabinet and safely transported by an ordinary user, without special tools and technical skills in refrigeration equipment. - European document
EP 1691152 discloses a modular refrigeration unit usable in a refrigeration cabinet. This unit comprises the condensing assembly and the evaporating assembly operatively connected. One of the disadvantages of the invention described in this European document is that the condensing assembly is open, not being safe for the transportation of the unit, because the pieces and parts are exposed and unprotected from accidental shocks and foreign objects. In addition, its construction makes handling difficult, affecting its portability. Furthermore, the vertical configuration disclosed limits its adaptability, because only certain specific types of cabinets can be used together with this refrigeration unit. - Thus, the refrigeration units described in the documents cited above have the disadvantage of only working satisfactorily in specific cabinet models, which are especially configured to receive only certain types of refrigeration units (modules) and, therefore, are not flexible and easily adaptable, and they have a component distribution system that facilitates the undesired heat transfer between them, adversely affecting the performance of the module. Moreover, given the construction arrangements of said units, there is no optimization of the storage capacity of the cabinet to be refrigerated, and the portability of said units is questionable, because in addition to the apparent lack of practical transportation, the pieces and parts are not duly protected so as to prevent damage risks.
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WO 01/25703 A -
WO 2007/063078 A (TECUMSEH EUROP SA) published 7 June 2007 discloses refrigeration device comprises a condensing stage and an evaporating stage, with a refrigerant circulating through them and confined within a circuit. The device is designed to refrigerate the interior of a heat-insulated cupboard. The device comprises a heat insulator to separate the evaporating and condensing stages. The heat insulation is produced in one piece and forms a load bearing structure for the evaporating stage (7), and the circuit consists of rigid channels, at least one of which is deformable to permit installation of the circuit containing the refrigerant and sealed within the heat insulation (33). A method of assembling a device consists in performing the following operations in sequence: filling the fluid circuit, sealing the circuit, testing the circuit, and installing the heat insulation (33). - A first objective of the present invention is to provide a portable and self-contained refrigeration unit, being simple and easy to install and maintain as well as effectively compatible with several types, models and variations of refrigeratable compartments (optimized power consumption and occupied volume).
- In this context, the present invention aims at filling a gap existing in the field of refrigeration equipment through the development of a portable and self-contained refrigeration unit or module with good efficiency levels (high yield and power savings) and that can be installed in, and removed from, various types and models of compartments, cabinets and/or spaces in a simple and fast way without the need for adaptations and/or modifications that are difficult to implement. In addition, it should enable flexibility in the positioning of the module as well as in the division of the refrigerated space and also the optimization of said space.
- A means to achieve the first objective of the present invention is by providing a refrigeration module capable of being removably fitted into a refrigeratable compartment, comprising a first housing and a second housing associated with each other, the first housing being in contact with the inside of the refrigeratable compartment, the second housing being In contact with the outside of the refrigeratable compartment, the first housing having an evaporator, the second housing having a condenser and a compressor pneumatically connected with each other, the compressor being pneumatically associated with the evaporator through at least one suction line, the first housing and the second housing being mechanically connected with each other, the first housing being capable of angularly moving in relation to the second housing in a pivotable way through an articulation mechanism.
- Thus, a good power efficiency is achieved due to the separation of the components (evaporator, compressor and condenser) respectively located in the first and second portions, which prevents undesired heat transfer among them. The portability and ease of transportation of the module result from the possibility of relative movement between the portions. The refrigerated space can be optimized with the use of the first portion at horizontal position (90 degrees between portions), serving as a compartment divider. This construction arrangement also enables height variation of the position of the module in the refrigerated space, consequently rendering the division of said space flexible. In addition, the volumes resulting from this division can be kept at different temperatures and said temperatures can be reverted without affecting the position of the module. Cabinets with varied refrigeration capacities can be served keeping the external dimensions of the module and changing only the internal components.
- A second objective of the present invention is to provide a refrigeration system comprising the refrigeration unit mentioned above, In the means indicated above.
- The second objective of the present invention is achieved by a refrigeration system having at least one refrigeration cabinet to accommodate refrigeratable items, the refrigeration system comprising at least one refrigeration module, the refrigeration module according to the means as mentioned above.
- The present invention will be described below in more details with reference to the attached drawings, in which:
-
Figure 1 - represents a view in perspective of a first preferred embodiment of the refrigeration module of the present invention, in an "L" configuration (90 degrees); -
Figure 2 - represents a view in perspective of the upper part of the refrigeration module illustrated inFigure 1 in an "I" configuration (180 degrees); -
Figure 3 - represents a view in perspective of the lower part of the refrigeration module illustrated inFigure 1 in an "I" configuration (180 degrees); -
Figure 4 - represents a view in perspective of the refrigeration module illustrated inFigure 1 in an "L" configuration (90 degrees), showing the inner part of said module; -
Figure 5 - represents a view in perspective of the refrigeration module illustrated inFigure 1 in an "I" configuration (180 degrees), showing the inner part of said module; -
Figure 6 - represents a view in perspective of the refrigeration circuit of the refrigeration module illustrated inFigure 1 in an "L" configuration (90 degrees); -
Figure 7 - represents an exploded view of the first housing of the refrigeration module as illustrated inFigure 1 ; -
Figure 8 - represents an exploded view of the second housing of the refrigeration module as illustrated inFigure 1 ; -
Figure 9 - represents a view in perspective of a second preferred embodiment of the refrigeration module of the present invention, in a closed configuration (0 degree), -
Figure 10 - represents a view in perspective of the refrigeration module illustrated inFigure 10 in an "L" configuration (90 degrees); -
Figure 11 (11A and 11B) - represents a view in perspective of two possible modes (A and B) of a refrigeration system, comprising the refrigeration module of the present invention illustrated inFigure 9 . -
Figure 12 represents a view in perspective of a third preferred embodiment of the refrigeration module of the present invention, in a closed configuration; -
Figure 13 represents a view in perspective of the refrigeration module illustrated inFigure 12 , in an open configuration; -
Figure 14 - represents a view in perspective of a possible configuration of a refrigeration system, comprising the refrigeration module of the present invention illustrated inFigure 12 -
Figure 15 - represents a view in perspective of a forth preferred embodiment of the refrigeration module of the present invention, in a closed configuration; -
Figure 16 - represents a view in perspective of the refrigeration module illustrated inFigure 15 showing the opening process to obtain the "L" configuration (90 degrees), -
Figure 17 (17A, 17B, 17C and 17D) - represents a view in perspective of four possible modes of refrigeration system, comprising the refrigeration module of the present invention illustrated inFigure 15 -
Figures 1 ,9 ,12 and16 represent types of preferred embodiments of arefrigeration module 1, which is the object of the present invention. Therefrigeration module 1 can be used in any refrigeratable compartment, such as various types and models of household / commercial / industrial / transportation refrigerator and freezer cabinets, air conditioner cabinets, cupboards, rooms, boxes, spaces, among others. Thus, in order to enable therefrigeration module 1 to be removably fitted, the refrigeratable compartment needs only to have a recess, a hollow portion or any support base. As an example of a refrigeratable compartment,figures 11 ,14 and17 show refrigeration cabinets 2 which are able to accommodate refrigeratable items used in household refrigerators. The ability to remove therefrigeration module 1 allows for easiness of repair and/or preventive maintenance, because the user needs only to remove therefrigeration module 1 from the refrigeratable compartment and take it to a technical support center. Therefore, there is no need for a technician to visit the site where the refrigeration equipment (i.e., household refrigerator) is installed. Furthermore, during the time needed for repair/maintenance, the damagedrefrigeration module 1 can be replaced with another functioning module, and said functioning module can be provided by technical support itself. - The wide variety of refrigeratable compartment types that can be used represents an evident advantage in relation to refrigeration modules known in the art, wherein only some specific refrigeratable compartment models can be used so that said refrigeration modules can be fitted. In many refrigeratable compartment models, adaptations are often needed which are complex and difficult to implement, increasing production costs.
-
Figure 4 depicts the main elements arranged in the internal parts of said refrigeration module. Such elements form a conventional refrigeration circuit, which is well-known and normally used in household air conditioners, refrigerators and freezers.Figure 6 shows the refrigeration circuit comprising anevaporator 104, anaccumulator 105, acompressor 204, a filter drier 205, acondenser 206, and anexpansion device 11 associated with one another by tubes, in which a cooling fluid circulates, which cooling fluid, in turn, is responsible for heat (energy) exchange and transportation. In this case, theexpansion device 11 is represented by a capillary tube, associated with asuction line 12, which in turn associates thecompressor 204 with theaccumulator 105. If the expansion device is a valve (which is not depicted in the drawings), it would be arranged next to theevaporator inlet 104 and connected to the filter drier 205 by a tube. Generally speaking, heat is removed from the hot air present inside the refrigeratable compartment by theevaporator 104 and is transported to thecondenser 206, which releases said heat outside the refrigeratable compartment. Therefore, thecondenser 206 is known as the hot heat exchanger of a refrigeration apparatus while theevaporator 104 is known as the cold heat exchanger. These heat exchangers can assume different construction arrangements, such as microchannels, finned tube, wire wound tube, roll-bond, among others, some of which enable more compact refrigeration modules. - The
evaporator 104, theaccumulator 105 and the expansion device 11 (integrally in the case of a valve and partially in the case of a capillary tube) connected to one another constitute afirst housing 100 that represents the "cold portion" of the refrigeration module. Thecompressor 204, the filter drier 205 and thecondenser 206 connected to one another constitute thesecond housing 200 that represents the "hot portion" of the refrigeration module. Therefore, the first housing 100 ("cold portion") is in contact with the inside of the refrigeratable compartment to provide refrigeration and the second housing 200 ("hot portion") is in contact with the outside of the refrigeratable compartment to enable heat dispersion. - Preferably, the
first housing 100 is totally (integrally) accommodated inside the refrigeratable compartment and thesecond housing 200 is totally accommodated outside the refrigeratable compartment, for maximum performance and greater energy efficiency to be obtained. However, this configuration is not mandatory, and it is possible that thefirst housing 100 and/or thesecond housing 200 is accommodated only partially inside and outside the refrigeratable compartment, respectively. - The
first housing 100 and thesecond housing 200 are associated with each other through thesuction line 12 and the expansion device 11 (or tubes, connecting theevaporator 104 and the filter drier 205, if theexpansion device 11 is a valve), whose function is to enable the exchange of heat (energy) between the elements comprised by thefirst housing 100 and by thesecond housing 200, especially thecondenser 206 and theevaporator 104. - The
first housing 100 externally involves theevaporator 104, theaccumulator 105 and the expansion device 11 (integrally, in the case of a valve and partially in the case of a capillary tube). Thefirst housing 100 comprises at least afirst lid 102 removably fitted into afirst base 103, and theevaporator 104, theaccumulator 105 and theexpansion device 11 are arranged in the first base. - The
first housing 100 further comprises at least oneoutlet 107 which enables the refrigerated air to flow to the environment. This outlet can be controlled by a damper for better air distribution inside the cabinet. In order to help and facilitate the air flow, at least afirst fan 106 is fixed / installed in thefirst housing 100 next to saidoutlet 107. Among others, variable rotation fans and two-coil fans can be used also enabling better air flow rate control inside the cabinet and even temperature reversal between compartments. This housing can also comprise air filters and/or odorizers (not depicted in the drawings) to improve the quality of the refrigerated air. On the other hand, thefirst housing 100 hasinlet slots 108 which enable ambient air to flow into thefirst housing 100. Therefore, thefirst housing 100 is the interface between therefrigeration module 1 and the inside of the refrigeratable compartment. - The
second housing 200 externally involves thecondenser 206, thecompressor 204 and the filter drier 205. Thesecond housing 200 comprises at least asecond lid 202 removably fitted to asecond base 203, and thecondenser 206, thecompressor 204 and the filter drier 205 are arranged in thesecond base 203. Thesecond housing 200 has coolingslots 207 that enable heat dispersion to the environment with the help of at least asecond fan 210. Therefore, thesecond housing 200 is the interface between therefrigeration module 1 and the outside of the refrigeratable compartment. - The
first housing 100 and thesecond housing 200 should be totally or partially made of thermal insulating material to minimize undesired heat transfer between the refrigeration module (especially the hot portion) and the cabinet. Insulation materials such as polyurethane, polystyrene or vacuum panels can be used, the latter enabling thinner walls and consequently a slimmer refrigeration module. Other materials, such as plastic and stainless steel can be part of said structures for weight reduction or corrosion protection. In addition to these devices, sealing and vibration insulating materials can be employed to for noise reduction purposes. - The possibility of closing the
first housing 100 and thesecond housing 200 facilitates the transportation of therefrigeration module 1 and also provides the mechanical protection of all pieces and parts that form the refrigeration circuit, such as, for instance, when the user takes therefrigeration module 1 for repair/maintenance to a technical support center. Thus, the risks of damaging the pieces and parts are prevented by closing said housings, avoiding said pieces and parts to be exposed and unprotected from accidental shocks and foreign objects. - The above described construction arrangement and the flexibility/adaptability of the
refrigeration module 1 enables it to be moved along the extension of the refrigeratable compartment. For instance, if the refrigeratable compartment is a household refrigerator cabinet, therefrigeration module 1 can be positioned from its base to the top, depending on the required application. In addition, by controlling the cold air flow rate that exits the evaporator, using thefirst fans 106, two refrigeratable compartments, for instance, can be kept at different temperatures, regardless of the volumes of these compartments. Therefore, as previously mentioned, temperature reversal or change between refrigeratable compartments is also possible. - The distance of the first housing 100 ("cold portion") and second housing 200 ("hot portion"), provided by the construction arrangement of the present invention, enables the reduction of the undesired heat transfer from the
compressor 204 and thecondenser 206 to theevaporator 104 by means other than through the cooling fluid, such as, for instance, through the air or through the structure of therefrigeration module 1 itself. - Additionally, the external dimensions of the
first housing 100 and thesecond housing 200 can be kept, and different types ofrefrigeration modules 1 can be implemented having varied refrigeration capacities through the use of variable capacity compressors and/or only replacing the internal components. Thus, the dimensions and the shape of the refrigeratable compartment can remain unchanged. - Control, lights, electronic circuits which currently are part of the cabinet could also be coupled to the refrigeration module, as well as specific component controls, such as compressor and expansion device, enabling an increase in their efficiency.
- The electric supply to or energization of the
refrigeration module 1, which is not depicted in the drawings, is preferably provided by a conventional electric cable to be connected to an alternating current (AC) power socket. However, batteries, a DC power supply or any other type of power supply may be used, as long as it is compatible with the operation of therefrigeration module 1. - Therefore, it can be said that the
refrigeration module 1 is self-contained because, in addition to comprising all of the elements, pieces and parts required to provide refrigeration, its electric supply is not provided by / dependent on the refrigeratable compartment, as is the case of a conventional household refrigerator. - Although the present invention relates to a refrigeration module, it should be understood that the construction arrangements described in this document are applicable to other types of climatization equipment, such as, for example, equipment intended for heating in general.
-
Figures 1 and8 illustrate details of a first embodiment of therefrigeration module 1 of the present invention. - In this first embodiment, the
first housing 100 is capable of angularly moving in relation to thesecond housing 200. - In
Figure 1 , therefrigeration module 1 is configured in "L", that is, thefirst housing 100 is angularly positioned in a stabilized way at 90 degrees from thesecond housing 200. InFigures 2 and 3 , therefrigeration module 1 is configured in "I", that is, thefirst housing 100 is angularly positioned in a stabilized way at 180 degrees from thesecond housing 200. These two configurations, in "L" and "I", are preferably used; however, any other angle value can be adopted depending on the construction configuration (arrangement) of the refrigeratable compartment to be used. - The angular movement between the
first housing 100 and thesecond housing 200 enables flexibility and the simple and easy adaptation of therefrigeration module 1 to several types of compartments, including those that were not specially designed to receive therefrigeration module 1. Therefore, this construction arrangement, which enables the freedom of angular movement between thefirst housing 100, comprising theevaporator 104, and thesecond housing 200, comprising thecondenser 206, was never exploited before in self-contained modular refrigeration equipment. - Said angular movement between the
first housing 100 and thesecond housing 200 is enabled by means of anarticulation mechanism 300, which preferably comprises pivotingpins 301 mounted on firstfitting holes 110 and on secondfitting holes 209 comprised by thefirst housing 100 and by the second housing, respectively. Thus, thefirst housing 100 and thesecond housing 200 slide over the pivoting pins 301 so as to enable the angular movement between thefirst housing 100 and thesecond housing 200. The pivoting pins 301 and/or the first and second fitting holes 110, 209 should provide sufficient friction to enable angular movement and also to enable that thefirst housing 100 stabilizes in relation to thesecond housing 200 in any angular position. Another type ofarticulation mechanism 300 could be used provided it is suitable for this application. For instance, a pivoting axis could be used associating the holes of said housings instead of the pivotingpin 301, or else, some type of spring/lock mechanism. - Preferably, in this first embodiment, the
suction line 12 and theexpansion device 11, which associate afirst housing 100 with asecond housing 200, are flexible. Apassage groove 208 from thesecond housing 200 and apassage hole 109 from thefirst housing 100 aligned to each other enable the passage of thesuction line 12 and theexpansion device 11 from thefirst housing 100 to thehousing 200. However, depending on how thearticulation mechanism 300 is implemented, thesuction line 12 and theexpansion device 11 can be rigid, if they are not subject to any force that might damage them. - In
Figures 2, 3 and5 , it is noted that there twofirst fans 106 installed in thefirst housing 100, directed to ends (sides or faces) opposite to saidfirst housing 100. Therefore, therefrigeration module 1 is capable of dividing the refrigeratable compartment in at least two different spaces, enabling the separate refrigeration of each environment. Thus, large savings are obtained because with only onerefrigeration module 1 it is possible to refrigerate two environments at the same time and, in addition, it is not necessary to implement ducts or tubes that hamper installation and/or maintenance. It is also possible to use another number offirst fans 106, or add ducts to the structure, depending on the application. -
Figures 9 and 10 illustrate a second embodiment of therefrigeration module 1 of the present invention. - This embodiment is quite similar to the first embodiment, and the main difference lies in the
articulation mechanism 300, which comprises a pivotingaxis 302, instead of apivoting pin 301. Thefirst housing 100 and thesecond housing 200 are adapted to enable the fitting of the pivotingaxis 302. Particularly,Figure 9 illustrates the closed or the 0 (zero) degree configuration, which facilitates the transportation of therefrigeration module 1, because the space occupied by it is reduced. This configuration can also be used in the functioning mode of therefrigeration module 1. - The other differences in relation to the first embodiment represent only design and shape variations of the
first housing 100 and thesecond housing 200. -
Figures 12 and 13 illustrate a third embodiment of therefrigeration module 1 which is not part of the present invention. - In this third embodiment, the
first housing 100 is capable of axially moving in relation to thesecond housing 200 through a slidingmechanism 400. - Preferably, a
first housing 100 has aslit 401 through which the edges of thesecond housing 200 slide. - This sliding
mechanism 400 enables thefirst housing 100 to stabilize in relation to thesecond housing 200 at any axial position through a conventional mechanic lock (not depicted in the drawing) capable of fixing thefirst housing 100 to thesecond housing 200 so as not to allow any relative movement between them. - The closed configuration (or 0 degree) illustrated In
Figure 12 is preferably used for the transportation of therefrigeration module 1. -
Figures 15 and 16 illustrate a forth embodiment of therefrigeration module 1 of the present invention. - This embodiment is very similar to the second embodiment, and the differences represent only design and shape variations of the
first housing 100 and thesecond housing 200. - The closed configuration (or 0 degree) illustrated in
Figure 15 is preferably used for the transportation of therefrigeration module 1. -
Figures 11 ,14 and17 show refrigeration systems 500 which respectively comprise the second to forth embodiments of therefrigeration module 1 and arefrigeration cabinet 2, Thisrefrigeration system 500 is represented by a household refrigerator with a freezer; however, as already mentioned, other types of refrigeratable compartments can be used. - Preferably, the
refrigeration module 1 is Integrally accommodated on theback wall 501 of therefrigeration cabinet 2 so as not to functionally and esthetically interfere with the front part of the refrigerator-freezer. -
Figures 11 and17 depict some configurations showing how therefrigeration module 1 can be moved along theback wall 501 of therefrigeration cabinet 2. -
Figure 11A illustrates a configuration in which only the freezer is refrigerated by therefrigeration module 1. On the other hand, inFigure 11B , therefrigeration module 1 second embodiment) is positioned exactly at the division between the refrigerator and the freezer so that a specific refrigeration intensity is provided for each of these parts. Similarly,Figures 17A and 17B illustrate the same configurations shown inFigures 11A and 11B , respectively, using the fourth embodiment of therefrigeration module 1.Figures 17C and 17D illustrate alternative configurations enabled by the flexibility and adaptability of the fourth embodiment of therefrigeration module 1. - As already mentioned, preferably the
first housing 100 of therefrigeration module 1 is partially or totally accommodated inside therefrigeration cabinet 2 and thesecond housing 200 of therefrigeration module 1 is partially or totally accommodated outside therefrigeration cabinet 2 to provide optimized performance and power efficiency. However, this configuration is not mandatory, as illustrated inFigure 17D (180 degree configuration), wherein thefirst housing 100 is accommodated outside therefrigeration cabinet 2. - It is possible to note that there are no ducts inside the cabinet for distributing the cold air due to its flexible positioning. Ducts can be coupled or not, according to one's needs. These ducts cause problems related to wall condensation and load loss, the latter being one of the sources of refrigeration system inefficiency.
- The examples described above represent preferred embodiments; however, it should be understood that the scope of the present invention encompasses other possible variations, and is limited only by the content of the appended claims, which include all possible equivalents.
Claims (14)
- A refrigeration module (1) capable of being removably fitted into a refrigeratable compartment, comprising a first housing (100) and a second housing (200) associated with each other, the first housing (100) being in contact with the inside of the refrigeratable compartment, the second housing (200) being in contact with the outside of the refrigeratable compartment, the first housing (100) having an evaporator (104), the second housing (200) having a condenser (206) and a compressor (204) connected with each other, the compressor (204) being associated with the evaporator (104) through at least one suction line (12), the refrigeration module (1) being characterized in that the first housing (100) and the second housing (200) are mechanically connected with each other, the first housing (100) being capable of angularly moving in relation to the second housing (200) in a pivotable way through an articulation mechanism (300), the first housing (100) comprising first fitting holes (110), the second housing (200) comprising second fitting holes (209), the articulation mechanism (300) comprising pivoting pins (301) or pivoting axis (302) mounted on the first fitting holes (110) and on the second fitting holes (209), the articulation mechanism (300) being capable of stabilizing the first housing (100) In relation to the second housing (200) In any angular position.
- The refrigeration module (1) according to any of the preceding claims, characterized in that the first housing (100) comprises at least a first lied (102) removably fitted into a first base (103).
- The refrigeration module (1) according to any of the preceding claims, characterized in that the seconds housing (200) comprises at least a second lid (202) removably fitted into a second base (203).
- The refrigeration module (1) according to any of the preceding claims, characterized in that it comprises an expansion device (11) which enables the heat exchange between the condenser (206) and the evaporator (104).
- The refrigeration module (1) according to any of the preceding claims, characterized in that the suction line (12) and the expansion device (11) are flexible.
- The refrigeration module (1) according to any of the preceding claims, characterized in that the first housing (100) comprises at least one outlet (107) which enables the refrigerated air to flow to the environment.
- The refrigeration module (1) according to claim 6, characterized in that the first housing (100) comprises at least a first fan (108) associated with the outlet (107).
- The refrigeration module (1) according to any of the preceding claims, characterized in that the first housing (100) comprises inlet slots (108) which enable the ambient air to flow into the first housing (100).
- The refrigeration module (1) according to any of the preceding clams, characterized in that the second housing (200) comprises cooling slots (207) which enable heat dispersion to the environment.
- The refrigeration module (1) according to any of the preceding claims, characterized in that it is capable of being moved along the refrigeratable compartment.
- Refrigeration module (1) according to any of the preceding claims characterized in that it is capable of dividing the refrigeratable compartment Into at least two different spaces, the refrigeration module (1) being capable of refrigerating each space separately, keeping said compartments at different temperatures and enabling temperature reversal or change between the refrigerated volumes through the flow rate control of the first fans (106).
- A refrigeration system (500) having at least one refrigeration cabinet (2) to accommodate refrigeratable items, the refrigeration system (500) characterized by comprising at least one refrigeration module (1), the refrigeration module (1) as defined In claim 1.
- The refrigeration system (500) according to claim 12. characterized in that the refrigeration module (1) Is partially accommodated in a back: wall (501) of the refrigeration cabinet (2).
- The refrigeration system (500) aooording to claim 13, characterized in that the refrigeration module (1) is capable of being moved along the back wall (501) of the refrigeration cabinet (2).
Priority Applications (1)
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EP11188339A EP2447636A1 (en) | 2007-09-12 | 2008-09-11 | Refrigeration module and refrigeration system |
Applications Claiming Priority (2)
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BRPI0703622-1A BRPI0703622A2 (en) | 2007-09-12 | 2007-09-12 | cooling module and cooling system |
PCT/BR2008/000277 WO2009033243A2 (en) | 2007-09-12 | 2008-09-11 | Refrigeration module and refrigeration system |
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EP11188339A Withdrawn EP2447636A1 (en) | 2007-09-12 | 2008-09-11 | Refrigeration module and refrigeration system |
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CN2643686Y (en) * | 2003-06-04 | 2004-09-29 | 高飞 | Portable cold-storage air-condition |
US20050126196A1 (en) | 2003-12-15 | 2005-06-16 | Hussmann Corporation | Modular refrigeration system |
BRPI0401193A (en) * | 2004-04-01 | 2005-11-22 | Multibras Eletrodomesticos Sa | Cooling appliance |
JP4190461B2 (en) * | 2004-05-27 | 2008-12-03 | 三洋電機株式会社 | Cooling storage |
US7216492B2 (en) * | 2004-10-26 | 2007-05-15 | Gerald Sellers | Portable refrigeration unit |
EP1691152A1 (en) | 2005-01-14 | 2006-08-16 | Electrolux Home Products Corporation N.V. | Modular refrigeration unit and process for assembling a modular refrigeration unit to a cabinet of a refrigeration appliance |
KR20070023154A (en) | 2005-08-23 | 2007-02-28 | 삼성전자주식회사 | Refrigerator |
EP1780485A1 (en) * | 2005-10-18 | 2007-05-02 | Enjoy Sales AB | Refrigerator |
FR2894019B1 (en) * | 2005-11-29 | 2014-08-15 | Tecumseh Europe Sa | REFRIGERATION DEVICE AND METHOD FOR ASSEMBLING THE DEVICE |
-
2007
- 2007-09-12 BR BRPI0703622-1A patent/BRPI0703622A2/en not_active IP Right Cessation
-
2008
- 2008-09-11 US US12/678,095 patent/US20120085123A1/en not_active Abandoned
- 2008-09-11 CN CN2008801156128A patent/CN101981391B/en not_active Expired - Fee Related
- 2008-09-11 EP EP08800209A patent/EP2198225B1/en not_active Not-in-force
- 2008-09-11 KR KR1020107007613A patent/KR20100087088A/en not_active Application Discontinuation
- 2008-09-11 EP EP11188339A patent/EP2447636A1/en not_active Withdrawn
- 2008-09-11 JP JP2010524311A patent/JP2010539430A/en active Pending
- 2008-09-11 AT AT08800209T patent/ATE533015T1/en active
- 2008-09-11 WO PCT/BR2008/000277 patent/WO2009033243A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2009033243A3 (en) | 2009-06-25 |
JP2010539430A (en) | 2010-12-16 |
BRPI0703622A2 (en) | 2009-04-28 |
WO2009033243A2 (en) | 2009-03-19 |
ATE533015T1 (en) | 2011-11-15 |
KR20100087088A (en) | 2010-08-03 |
CN101981391B (en) | 2012-11-28 |
CN101981391A (en) | 2011-02-23 |
EP2447636A1 (en) | 2012-05-02 |
EP2198225A2 (en) | 2010-06-23 |
US20120085123A1 (en) | 2012-04-12 |
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