EP4217673A1 - Système de conduite de fluide frigorigène pour un appareil de froid et appareil de froid - Google Patents

Système de conduite de fluide frigorigène pour un appareil de froid et appareil de froid

Info

Publication number
EP4217673A1
EP4217673A1 EP21777429.8A EP21777429A EP4217673A1 EP 4217673 A1 EP4217673 A1 EP 4217673A1 EP 21777429 A EP21777429 A EP 21777429A EP 4217673 A1 EP4217673 A1 EP 4217673A1
Authority
EP
European Patent Office
Prior art keywords
evaporator
pipe
line arrangement
refrigerant line
compartment
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.)
Pending
Application number
EP21777429.8A
Other languages
German (de)
English (en)
Inventor
Edit Strass
Andreas Vogl
Ming Zhang
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP4217673A1 publication Critical patent/EP4217673A1/fr
Pending legal-status Critical Current

Links

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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution valves
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
    • 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
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerant line arrangement for a refrigeration appliance and a refrigeration appliance, in particular a household refrigeration appliance such as a fridge-freezer combination.
  • Refrigeration appliances in particular household refrigeration appliances with more than one fridge compartment, for example a fridge-freezer combination with a fridge compartment and a freezer compartment, often have a fridge compartment evaporator for cooling the fridge compartment and a freezer compartment evaporator for cooling the freezer compartment.
  • a fridge compartment evaporator for cooling the fridge compartment and a freezer compartment evaporator for cooling the freezer compartment.
  • An outlet of the refrigerator compartment evaporator and an inlet of the freezer compartment evaporator are connected by means of a connecting pipe, with an outlet of the freezer compartment evaporator being connected by means of a suction pipe to a suction-side inlet of a compressor.
  • a refrigerant can be supplied to the evaporators by the compressor via one or more supply lines.
  • the evaporators and a refrigerant line assembly which includes the suction tube, the connecting tube and the supply lines, are mounted separately from each other.
  • the refrigerant line arrangement can be installed as a preassembled assembly on the freezer compartment and the refrigerator compartment. In this case, quick and simple assembly is desirable, without the refrigerant line arrangement being damaged.
  • DE 10 2016 208 494 A1 discloses a refrigeration appliance with two evaporators, a capillary tube being provided as the supply line, which is attached to a suction tube to protect against kinking when the refrigerated compartment container and freezer compartment container are being handled.
  • this object is achieved by a refrigerant line arrangement having the features of claim 1 and by a refrigeration device having the features of claim 11 .
  • a refrigerant line arrangement for a refrigeration device comprises an intake pipe with a first end area provided for connection to an outlet of a first evaporator, which has a curved first pipe connection section, and a second end area provided for connection to an inlet of a compressor and a connecting pipe with a connection to an outlet of a second evaporator and a first end area provided for connection to an inlet of the first evaporator, which second end area has a curved second pipe connection section, wherein the first pipe connection section and the second pipe connection section each run parallel to one another and are fastened to one another.
  • a refrigeration device in particular a household refrigeration device, is provided.
  • the refrigeration device comprises a first container, which defines a first refrigerated compartment for accommodating refrigerated goods, e.g Evaporator, which is thermally coupled to the second refrigeration compartment, a compressor for compressing refrigerant and a refrigerant line arrangement according to the first aspect of the invention.
  • the first end area of the suction pipe is connected to an outlet of the first evaporator and the second end area of the suction pipe is connected to an inlet of the compressor.
  • the first end area of the connecting pipe is connected to an outlet of a second evaporator and the second end area of the connecting pipe is connected to an inlet of the first evaporator.
  • the refrigeration device has a condenser which is connected to an outlet of the compressor and at least to an inlet of the second evaporator
  • An idea underlying the invention is to connect the connection pipe and the suction pipe to each other in respective pipe connection sections.
  • the pipe connection sections of the suction pipe and the connecting pipe are curved or curved sections.
  • a curved area of the suction pipe and a similarly curved area of the connecting pipe run over one another or overlap, and the connecting pipe and suction pipe are fastened to one another in this overlying area.
  • the intake manifold and the connecting manifold can be fixed in a simple manner in relation to at least two degrees of freedom.
  • the first evaporator can be a freezer compartment evaporator for cooling a freezer compartment, for example.
  • the second evaporator can be, for example, a refrigerator compartment evaporator for cooling a refrigerator compartment.
  • the first evaporator is provided for cooling or dissipating heat from a first refrigeration compartment and the second evaporator is provided for cooling or dissipating heat from a second refrigeration compartment, with the second refrigeration compartment preferably being cooled to a temperature is, which is greater than a temperature in the first cold compartment.
  • the refrigerant line arrangement has a first supply line for connecting a condenser, which is connected to an outlet of the compressor, to an inlet of the second evaporator.
  • the first supply line can be designed as a capillary which extends at least in sections in contact with the suction tube.
  • the first supply line is also fastened to the connecting pipe.
  • the first supply line can be arranged at least in sections in contact with the connecting pipe.
  • the refrigerant line arrangement has a second feed line for connecting the outlet of the compressor to the inlet of the first evaporator, with one end of the second feed line opening into the connecting pipe.
  • the connecting pipe can have a branch piece between its first and its second end area, in particular between the second pipe connecting section and the first end area, to which the second connecting pipe is connected.
  • the second supply line is connected in a fluid-conducting manner to the connecting pipe in a region lying outside the first refrigerating compartment and outside the second refrigerating compartment, or the branch piece lies outside the first and second refrigerating compartment. This allows the optional second supply line to be fitted and connected very easily.
  • the second supply line is designed as a capillary which extends at least in sections in contact with the suction pipe.
  • the refrigerant line arrangement can fulfill the function of an intake manifold throttle heat exchanger, as a result of which high energy efficiency is achieved with a compact design.
  • each pipe connection section is designed as elbows.
  • each pipe connection section can have two pipe sections running parallel to one another, which are connected to one another by an arcuate pipe section.
  • each pipe connection section are designed as bends.
  • each pipe connection section have a circularly curved section as an arc, which connects two straight pipe sections extending transversely to one another.
  • the pipe connection sections are designed as a loop. It can be provided here, for example, that the respective pipe connection section extends spirally with at least one winding or over at least 360 degrees.
  • the pipe connection sections each have at least one bend and/or at least one bend.
  • stepped configurations can be provided. It is also conceivable that a bend or a bend extends in a first plane and a further bend or bend extends in a second plane.
  • the pipe connection sections are attached to one another by means of one or more fixing devices, which each enclose the first and the second pipe connection section.
  • fixing devices which each enclose the first and the second pipe connection section.
  • Such a connection that encloses or clamps the pipe connection sections offers the advantage that it can be installed easily and without great effort.
  • the pipe connection sections can be reliably fixed to one another. Cable ties, clamps or sections of adhesive tape can optionally be provided as fixing devices.
  • the refrigerant line arrangement has a first supply line, which can be designed as a capillary, for example, which extends at least in sections in contact with the suction pipe.
  • the outlet of the condenser is connected to the inlet of the second evaporator by means of the first supply line.
  • This can include both a direct connection and a variant in which additional hydraulic elements are arranged between an inlet of the supply line and the outlet of the condenser, such as a piece of line, a dryer, one or more valves or the like.
  • the second evaporator can be implemented as a finned evaporator and arranged inside the second refrigeration compartment, the second container having a recess through which the first end region of the connecting pipe and the first supply line are guided.
  • the finned evaporator can have, for example, a multiplicity of fins which are connected to a refrigerant line pipe.
  • a fan can be provided which is designed to convey air over the cooling fins.
  • the finned evaporator can be arranged in the second refrigeration compartment behind a cover. The installation of the cooling device is further facilitated by the passage of the first supply line and connecting pipe through a common recess.
  • the refrigerant line arrangement has a second supply line, which opens into the connecting pipe.
  • the second supply line can be designed as a capillary which extends at least in sections in contact with the suction pipe.
  • the inlet of the first evaporator is connected to the outlet of the condenser by means of the second feed line.
  • a direct connection can be provided or additional hydraulic elements can be arranged between an inlet of the supply line and the outlet of the condenser, such as a line piece, a dryer, one or more valves or the like.
  • a solenoid valve can be provided, to which a line coming from the condenser is connected on the input side and the first and the second supply line are connected on the output side.
  • the solenoid valve can be set up to vary an amount of refrigerant that is supplied to the first or the second supply line.
  • the first evaporator can be realized as a finned evaporator and arranged within the first refrigeration compartment, the first container having a first recess through which the second end region of the connecting pipe is passed and a second recess through which the first end region of the suction pipe is passed is. Since the connecting pipe and the suction pipe are fixed to each other in their pipe connecting portions, a stationary arrangement of the first end portion of the suction pipe relative to the first end portion of the connecting pipe can be reliably achieved, which facilitates the insertion into the first and second recesses. tion advantageously facilitated.
  • the finned evaporator can be implemented as described above.
  • FIG. 1 shows a schematic view of a cooling circuit of a refrigeration device according to an exemplary embodiment of the invention
  • FIG. 2 shows a schematic view of a refrigeration device according to an exemplary embodiment of the invention
  • FIG. 3 shows a schematic view of a coolant line arrangement according to an exemplary embodiment of the invention.
  • FIG. 4 shows a schematic view of a coolant line arrangement according to a further exemplary embodiment of the invention.
  • FIG. 5 shows a schematic view of a coolant line arrangement according to a further exemplary embodiment of the invention.
  • FIG. 6 shows a schematic view of a coolant line arrangement according to a further exemplary embodiment of the invention.
  • FIG. 1 shows, by way of example and in a schematic manner, a hydraulic circuit diagram of a refrigeration device 100, which in particular can be a household refrigeration device.
  • the refrigerator 100 has a first container 130, a first evaporator 140, a second tank 110, a second evaporator 120, a compressor 150 and a condenser 160.
  • the refrigeration device 100 comprises a coolant line arrangement 1 for the hydraulically conductive connection of the compressor 150 or the condenser 160 to the second evaporator 120 and the first evaporator 140 and of the evaporators 120, 140 to one another.
  • the refrigeration device 100 can have an optional dryer 170 and a likewise optional valve arrangement 180 .
  • FIG. 2 shows a schematic view of the structure of the refrigeration device 100, only the second container 110, the first container 130 and the refrigerant line arrangement 1 being shown for reasons of clarity.
  • the second container 110 can, for example, have a substantially cuboid shape, as shown by way of example in FIG.
  • the second container 110 can have a recess or through-opening 113 for the passage of one or more pipelines.
  • the recess 113 can be formed on a rear wall 115 of the second container 110 , for example.
  • the first container 130 can, for example, be essentially cuboid with an optional step, as is shown in FIG. 2 by way of example.
  • the first container 130 defines an interior space, which forms a first refrigeration compartment 131 for accommodating refrigerated goods, such as food, beverages, etc.
  • the first container 130 may have a first recess or port 133 and a second port 134 .
  • the through openings 133, 134 are used for the passage of pipelines and can, for example, be arranged one above the other in relation to a vertical direction V, as is shown in FIG. 2 by way of example. As is further shown by way of example in FIG.
  • the second container 110 can be arranged above the first container 130 with respect to the vertical direction V.
  • the second container 110 and the first container 130 are surrounded by insulation (not shown).
  • the hydraulic circuit of the refrigeration device 100 is explained below with reference to FIG. 1 .
  • the refrigerant line arrangement 1 is shown only symbolically to identify the hydraulic connections. Exemplary designs of the refrigerant line arrangement 1 are shown in Figs. 2 to 6 and will be explained in more detail below.
  • the refrigerant line arrangement 1 comprises an intake pipe 2, a connecting pipe 3, an optional first supply line 4 and a likewise optional second supply line 5.
  • the second evaporator 120 is thermally coupled to the second refrigeration compartment 111 to extract heat from the second refrigeration compartment 111 .
  • the second refrigeration compartment 111 can be a refrigeration compartment and the second evaporator 120 can be set up to cool the refrigeration compartment 111 to a temperature between 0.5° C. and 15° C.
  • a refrigerator compartment evaporator 120 as the first evaporator and a refrigerator compartment 131 as the first refrigeration compartment are referred to below purely by way of example without restricting the generality of the invention.
  • the second container 110 is also referred to below as the refrigerated compartment container 110 without restricting the generality of the invention.
  • the cooling compartment evaporator 120 can be arranged, for example, inside the cooling compartment 111 or in the interior space defined by the cooling compartment container or the second container 110 .
  • the cooling compartment evaporator 120 can optionally be implemented as a finned evaporator. As shown symbolically in FIG. 1 , the cooling compartment evaporator 120 implemented as a finned evaporator can be assigned a fan 123 with which air can be circulated within the cooling compartment 111 and guided over cooling fins of the cooling compartment evaporator 120 .
  • the first evaporator 140 is thermally coupled to the first refrigeration compartment 131 to extract heat therefrom.
  • the first cold compartment 131 can be a freezer compartment and the first evaporator 140 can be set up to cool the freezer compartment 131 to a temperature of less than 0°C.
  • the first refrigeration compartment 131 can also be a refrigeration compartment, which is heated by the first evaporator 140 to a temperature of greater than 0 °C, for example in a range between 0.5 °C and 15 °C.
  • a freezer compartment evaporator 140 as the first evaporator and a freezer compartment 131 as the first refrigeration compartment are referred to below purely by way of example without restricting the generality of the invention.
  • the first container 130 is also referred to below as the freezer compartment container 130 without restricting the generality of the invention.
  • the freezer compartment evaporator 140 can be arranged, for example, inside the freezer compartment 131 or in the interior space defined by the freezer compartment container 130 .
  • the freezer compartment evaporator 140 can optionally be implemented as a finned evaporator. As shown symbolically in FIG. 1 , the freezer compartment evaporator 140 implemented as a finned evaporator can be assigned a fan 133 with which air can be circulated within the freezer compartment 131 and guided over the cooling fins of the freezer compartment evaporator 140 .
  • an outlet 122 of the refrigerator compartment evaporator 120 is connected to an inlet 141 of the freezer compartment evaporator 140 by the connecting pipe 3 of the coolant line arrangement 1, so that refrigerant can be introduced from the refrigerator compartment evaporator 120 into the freezer compartment evaporator 140.
  • the compressor 150 is set up for compressing refrigerant, in particular gaseous refrigerant.
  • An input 151 of the compressor 150 is connected via the suction pipe 2 of the coolant line arrangement 1 to an output 142 of the freezer compartment evaporator 140, as is shown schematically in FIG.
  • An outlet of the compressor 152 is connected to an inlet 161 of the condenser 160 .
  • the compressor 150 thus sucks refrigerant from the freezer compartment evaporator 140, compresses the refrigerant and supplies it to the condenser 160, in which heat from the refrigerant is dissipated to the environment.
  • an outlet 162 of the condenser 160 can optionally be connected to a dryer 170 which is set up to separate gaseous and liquid components of the refrigerant from one another.
  • the optional valve assembly 180 which as shown in FIG. 1 may be located downstream of the optional dryer 170, may include a shut-off valve 181 for shutting off coolant circulation.
  • the valve assembly 180 can be a control valve 182, to which the optional first supply line 4 and the optional second supply line 5 are connected.
  • the control valve 182 can be embodied, for example, as a solenoid valve and set up to selectively feed coolant into the first supply line 4 or the second supply line 5 or generally to vary a distribution of the mass flow of coolant between the first and the second supply line 4, 5.
  • the outlet 162 of the condenser 160 is connected to an inlet 121 of the refrigerator compartment evaporator 120, e.g. as shown in Fig. 1 via the optional first feed line 4, and to the inlet 141 of the freezer compartment evaporator 140, e.g. via the optional second feed line 5, as in 1 shown by way of example.
  • coolant can thus be circulated through the condenser 160 and the evaporators 120, 140.
  • the connection of compressor 150, condenser 160, refrigerator compartment evaporator 120 and freezer compartment evaporator 140 shown as an example in FIG. 1 is also referred to as a “double serial connection”.
  • FIG. 1 shows the suction pipe 2 in an enlarged view.
  • the suction pipe 2 is fluidically conductively connected at a first end to the outlet 142 of the freezer compartment evaporator 140 and at a second end to the inlet 151 of the compressor 150.
  • a first end region 21 of the suction pipe adjoining the first end 2 is guided through the second recess 134 of the freezer compartment container 130, as shown in FIG.
  • the first end section 21 of the suction pipe 2 has a first pipe connection section 25 in an area located outside the freezer compartment 131 .
  • FIG. 3 shows the coolant line arrangement 1 shown in FIG. 2 in an enlarged view.
  • the first pipe connection section 25 can be designed, for example, as an elbow, which has a straight first pipe section 25A, a second pipe section 25B running parallel thereto, and an arcuate pipe section 25C connecting the first and second pipe sections 25A, 25B.
  • the first pipe connection section 25 has a curved course or at least one curved section, for example the third pipe section 25C, as shown in FIGS. 2 and 3 as an example.
  • the connecting pipe 3 is connected at a first end to the outlet 122 of the refrigerator compartment evaporator 120 and at a second end to the inlet 141 of the freezer compartment evaporator 140 . As shown in Fig.
  • a first end region 31 of the connecting pipe 3 adjoining the first end is through the recess 113 of the refrigerator compartment container 110 and a second end region of the connecting pipe 3 adjoining the second end is through the first recess 133 of the freezer compartment container 130 accomplished.
  • the connecting pipe 3 has a second pipe connecting section 35 in its second end area 32, in an area located outside the freezer compartment 131.
  • the second pipe connection section 35 is designed as an elbow, which has a straight first pipe section 35A, a second pipe section 35B running parallel thereto and an arcuate pipe section 35C connecting the first and second pipe sections 35A, 35B.
  • the second pipe connection section 35 is generally shaped in the same way as the first pipe connection section 25 and thus has a curved course or at least one curved section.
  • the first pipe joint portion 25 and the second pipe joint portion 35 are arranged parallel to each other and fixed to each other. That is, in their pipe connection sections 25, 35, the suction pipe 2 and the connecting pipe 3 run parallel to one another or overlap one another and are fastened to one another, e.g. by means of one or more fixing devices 6, which each enclose the first and the second pipe connection section 25, 35.
  • the fixing devices 6 can be, for example, cable ties, clamps or sections of adhesive tape.
  • the suction pipe 2 and the connecting pipe 3 are fixed relative to each other in a stable manner.
  • at least the suction pipe 2 and the connecting pipe 3 can be mounted in a simple manner as a prefabricated assembly on the refrigerated compartment container 110 and the freezer compartment container 130 .
  • the first supply line 4 can be designed, for example, as a capillary which extends at least in sections in contact with the suction pipe 2 . As shown in Fig.
  • a first section of the first supply line 4 can be in contact between the first and second end regions 21, 22 of the intake manifold 2 and a second section of the first supply line 4 can be between the first and second End portion 31, 32 of the connecting tube 3 are in contact with this.
  • the first feed line 4 can be routed together with the connecting pipe 3 through the recess 113 of the refrigerated compartment container 110 .
  • the second supply line 5 can optionally also be designed as a capillary which extends at least in sections in contact with the suction pipe 2 .
  • the second supply line 5 can extend, for example, over the entire length of the intake manifold 2 between its first and second end regions 21, 22 in contact therewith.
  • one end of the second supply line 5 can be inserted into the connecting pipe 3 .
  • the connecting pipe 3 can have a lateral branch portion 34 to which the end of the second supply line 5 is connected, as is shown in FIG. 2 by way of example. Since the suction pipe 2 and the connection pipe 3 are stably fixed to each other in their pipe connection portions 25, 35, buckling or other damage of the second supply pipe 5 during handling and transportation of the refrigerant pipe assembly 1 can be prevented.
  • FIG. 4 shows a refrigerant line arrangement 1 in which the pipe connection sections 25, 35 each have at least one bend K and a bend B. As shown by way of example in FIG. 4, it can be provided that knee K and arch B each extend in different planes.
  • a refrigerant line arrangement 1 is shown as an example, in which the pipe connection sections 25, 35 are designed as a loop.
  • the suction pipe 2 and the connecting pipe 3 can here in their binding sections 25, 35 be circular, similar to a spiral spring, bent into a spiral with at least one winding.
  • the pipe connection sections 25, 35 are therefore of curved design or have at least one curved section.
  • the pipe connection sections 25, 35 can thus be designed as a bend, for example.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un système de conduite de fluide frigorigène pour un appareil de froid, comprenant un tuyau d'aspiration pourvu d'une première zone d'extrémité destinée à être reliée à une sortie d'un premier évaporateur, qui présente une première partie de liaison de tuyau courbe, et d'une deuxième zone d'extrémité destinée à être reliée à une entrée d'un compresseur et un tuyau de liaison pourvu d'une première zone d'extrémité destinée à être reliée à une sortie d'un deuxième évaporateur et d'une deuxième zone d'extrémité destinée à être reliée à une entrée du premier évaporateur, qui présente une seconde partie de liaison de tuyau courbe, la première partie de liaison de tuyau et la seconde partie de liaison de tuyau (35) étant respectivement parallèles l'une à l'autre et fixées l'une à l'autre.
EP21777429.8A 2020-09-22 2021-09-09 Système de conduite de fluide frigorigène pour un appareil de froid et appareil de froid Pending EP4217673A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020211804.3A DE102020211804A1 (de) 2020-09-22 2020-09-22 Kältemittelleitungsanordnung für ein Kältegerät und Kältegerät
PCT/EP2021/074792 WO2022063590A1 (fr) 2020-09-22 2021-09-09 Système de conduite de fluide frigorigène pour un appareil de froid et appareil de froid

Publications (1)

Publication Number Publication Date
EP4217673A1 true EP4217673A1 (fr) 2023-08-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21777429.8A Pending EP4217673A1 (fr) 2020-09-22 2021-09-09 Système de conduite de fluide frigorigène pour un appareil de froid et appareil de froid

Country Status (3)

Country Link
EP (1) EP4217673A1 (fr)
DE (1) DE102020211804A1 (fr)
WO (1) WO2022063590A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2329139A (en) * 1940-08-08 1943-09-07 Nash Kelvinator Corp Refrigerating apparatus
US2434118A (en) * 1945-07-18 1948-01-06 Gen Electric Restrictor tube for refrigerating systems
GB2418478A (en) * 2004-09-24 2006-03-29 Ti Group Automotive Sys Ltd A heat exchanger
DE102015215491A1 (de) * 2015-08-13 2017-02-16 BSH Hausgeräte GmbH Einkreis-Kältegerät
DE102016208494A1 (de) * 2016-05-18 2017-11-23 BSH Hausgeräte GmbH Kältegerät und Verfahren zu dessen Fertigung
DE102018202008A1 (de) * 2018-02-08 2019-08-08 BSH Hausgeräte GmbH Kombinationskältegerät

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WO2022063590A1 (fr) 2022-03-31
DE102020211804A1 (de) 2022-03-24

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