EP0127791A2 - Refrigerator having a recess for a motor-compressor unit - Google Patents

Refrigerator having a recess for a motor-compressor unit Download PDF

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Publication number
EP0127791A2
EP0127791A2 EP84105191A EP84105191A EP0127791A2 EP 0127791 A2 EP0127791 A2 EP 0127791A2 EP 84105191 A EP84105191 A EP 84105191A EP 84105191 A EP84105191 A EP 84105191A EP 0127791 A2 EP0127791 A2 EP 0127791A2
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EP
European Patent Office
Prior art keywords
niche
rear wall
cooling device
pipes
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84105191A
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German (de)
French (fr)
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EP0127791B1 (en
EP0127791A3 (en
EP0127791B2 (en
Inventor
Werner Kerpers
Werner Dipl.-Ing. Bonk
Dieter Röser
Hans-Jürgen Führer
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.)
AEG Hausgeraete GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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Publication date
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Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0127791A2 publication Critical patent/EP0127791A2/en
Publication of EP0127791A3 publication Critical patent/EP0127791A3/en
Publication of EP0127791B1 publication Critical patent/EP0127791B1/en
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Publication of EP0127791B2 publication Critical patent/EP0127791B2/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components

Definitions

  • the invention relates to a cooling device according to the preamble of the first claim.
  • a niche is formed in a one-piece device rear wall, the opening edge of which lies all around in the plane of the device rear wall.
  • the rear wall of the device is surmounted by tabs which are provided for fastening add-on parts, for example a condenser, below a freely projecting part of the cover plate.
  • the connecting lines coming from the motor compressor for the refrigerant circuit also receiving the condenser are led through the opening of the recess to the condenser or the other parts of the refrigerant circuit beyond their opening edge.
  • the invention has for its object to take measures in a cooling device according to the preamble of the first claim, through which connecting lines from the engine com pressor to the rest of the refrigerant circuit can be guided freely within the housing contour over a length sufficient for assembly purposes, without having to significantly limit the usable volume of the inner container that is to be cooled.
  • the dimensions of the niche for the compressor need only be matched to the volume of the motor compressor.
  • the niche part next to it then only needs to be dimensioned in depth according to the dimensions of the pipelines.
  • the space of the inner container projecting next to the niche part for the motor compressor therefore only needs to be made shorter by the amount by which the flat niche part is drawn into the rear wall, while the heat insulation remains unchanged.
  • the pipes can then be passed through a wall of the flat niche part, in particular through the horizontal upper wall. If the condenser is arranged on the side of the remaining rear wall of the device facing the inner container, none of the pipelines need to be led beyond the level of the rear wall of the device. The back of the refrigerator is then completely smooth.
  • a cooling device schematically indicated at 1 has a lower section 2 and an upper section 3 of a rear wall of the device.
  • the lower section 2 is with a Provide niche part 4, the dimensions of which are adapted to the outer contours of a motor compressor 5 with its electrical connection box 6 and the refrigerant line connections 7.
  • the section 2 is also equipped with a flat niche part 8, which is much smaller in depth than the niche part 4 and is dimensioned for receiving pipes 9 of the refrigerant circuit.
  • the pipes 9 are connected to the connections 7 of the motor compressor 5.
  • the niche parts 4, 8 merge into one another at their common recessed vertical edge 10.
  • the free length of the pipelines 9 required for the connection to the connections 7 can thereby be guided within the contour of the device 1; they do not have to overlap the opening edge 11 of the niche parts 4, 8. Therefore, the pipes 9 are passed through a wall, in particular through the horizontal upper wall 12 of the flat niche part.
  • the niche parts 4, 8 are formed in one piece with the lower section 2 of the rear wall of the device and in particular drawn or injection-molded from plastic.
  • the lower section 2 receiving the niche parts 4, 8 lies with its opening edge 11 in one plane with the remaining section 3 of the rear wall of the device. Sections 2 and 3 are close together at their common edge. sets, so that when foaming the space between the inner container of the refrigerator 1, not shown, and the rear wall 2, 3 no insulating foam emerges. This also ensures a continuous, smooth rear wall of the housing.
  • the upper section 3 is designed as a sheet metal wall, which is covered with a condenser coil 13 on its side facing the inner container or the foam insulation. The pipes 9 can therefore be led through the insulating foam not only to the evaporator but also to the condenser 13.

Abstract

1. A compressor refrigeration device, particularly a domestic refrigerator or upright freezer, having an inner container and an outer housing, in the divided rear wall (2, 3) of which are integrally formed a deep recess (4) receiving the motor compressor (5) and, at the side thereof, a shallow recess (8), the motor compressor (5) being located between an evaporator and a condenser (13) and connected thereto through pipelines (9), characterised in that the pipelines (9) are laid inside the shallow recess portion (8) and are taken through a wall of the recess portions (4, 8).

Description

Die Erfindung betrifft ein Kühlgerät gemäß dem Oberbegriff des ersten Anspruchs.The invention relates to a cooling device according to the preamble of the first claim.

Bei einem bekannten Kühlgerät dieser Art (DE-OS 20 34 596) ist in eine einstückige Geräterückwand eine Nische einge- formt, deren öffnungsrand rundum in der Ebene der Geräterückwand liegt. Die Geräterückwand ist dabei von Laschen überragt, die zum Befestigen von Anbauteilen, beispielsweise eines Verflüssigers unterhalb eines frei überstehenden Teils der Abdeckplatte vorgesehen sind. Die vom Motorkompressor abgehenden Verbindungsleitungen für den auch den Verflüssiger aufnehmenden Kältemittelkreislauf werden durch die Öffnung der Nische nach außer über ihren öffnungsrand zum Verflüssiger bzw. den übrigen Teilen des Kältemittelkreislaufes geführt.In a known cooling device of this type (DE-OS 20 34 596), a niche is formed in a one-piece device rear wall, the opening edge of which lies all around in the plane of the device rear wall. The rear wall of the device is surmounted by tabs which are provided for fastening add-on parts, for example a condenser, below a freely projecting part of the cover plate. The connecting lines coming from the motor compressor for the refrigerant circuit also receiving the condenser are led through the opening of the recess to the condenser or the other parts of the refrigerant circuit beyond their opening edge.

Der Erfindung liegt die Aufgabe zugrunde, bei einem Kühlgerät gemäß dem Oberbegriff des ersten Anspruchs Maßnahmen zu treffen, durch welche Verbindungsleitungen vom Motorkompressor zum übrigen Kältemittelkreislauf über eine für Montagezwecke ausreichende Länge frei innerhalb der Gehäusekontur geführt werden können, ohne das nutzbare Volumen des das zu kühlende Gut aufnehmenden Innenbehälters wesentlich beschränken zu müssen.The invention has for its object to take measures in a cooling device according to the preamble of the first claim, through which connecting lines from the engine com pressor to the rest of the refrigerant circuit can be guided freely within the housing contour over a length sufficient for assembly purposes, without having to significantly limit the usable volume of the inner container that is to be cooled.

Die Lösung dieser Aufgabe erfolgt gemäß der Erfindung durch die kennzeichnenden Merkmale des ersten Anspruchs.This object is achieved according to the invention by the characterizing features of the first claim.

Bei einem Aufbau gemäß der Erfindung braucht die Nische für den Kompressor in ihren Abmessungen nur auf das Volumen des Motorkompressors abgestimmt zu sein. Der daneben angeordnete Nischenteil braucht dann in seiner Tiefe nur den Abmessungen der Rohrleitungen entsprechend bemessen zu werden. Der neben den Nischenteil für den Motorkompressor ragende Raum des Innenbehälters braucht daher bei unveränderter Stärke der Wärmeisolierung lediglich um den Betrag kürzer ausgebildet zu werden, um den der flache Nischenteil in die Rückwand eingezogen ist. Die Rohrleitungen können dann durch eine Wand des flachen Nischenteils, insbesondere durch die waagerechte obere Wand hindurchgeführt werden. Wenn dabei der Verflüssiger auf der dem Innenbehälter zugewandten Seite der übrigen Geräterückwand angeordnet ist, braucht keine der Rohrleitungen über die Ebene der Geräterückwand hinausgeführt zu werden. Es ergibt sich dann ein vollkommen glatter Abschluß der Rückseite des Kühlgerätes.In a construction according to the invention, the dimensions of the niche for the compressor need only be matched to the volume of the motor compressor. The niche part next to it then only needs to be dimensioned in depth according to the dimensions of the pipelines. The space of the inner container projecting next to the niche part for the motor compressor therefore only needs to be made shorter by the amount by which the flat niche part is drawn into the rear wall, while the heat insulation remains unchanged. The pipes can then be passed through a wall of the flat niche part, in particular through the horizontal upper wall. If the condenser is arranged on the side of the remaining rear wall of the device facing the inner container, none of the pipelines need to be led beyond the level of the rear wall of the device. The back of the refrigerator is then completely smooth.

Die Erfindung ist nachfolgend anhand der Zeichnung eines Ausführungsbeispiels näher erläutert.The invention is explained below with reference to the drawing of an embodiment.

Ein bei 1 schematisch angedeutetes Kühlgerät weist einen unteren Abschnitt 2 und einen oberen Abschnitt 3 einer - Geräterückwand auf. Der untere Abschnitt 2 ist mit einem Nischenteil 4 versehen, der in seinen Abmessungen den Außenkonturen eines Motorkompressors 5 mit seinem elektrischen Anschlußkasten 6 und den Kältemittelleitungsanschlüssen 7 angepaßt ist. Im seitlich neben dem Nischenteil 4 liegenden Bereich ist der Abschnitt 2 noch mit einem flachen Nischenteil 8 ausgestattet, der in seiner Tiefe wesentlich kleiner ist als der Nischenteil 4 und für die Aufnahme von Rohrleitungen 9 des Kältemittelkreislaufes bemessen ist. Die Rohrleitungen 9 sind mit den Anschlüssen 7 des Motorkompressors 5 verbunden. Die Nischenteile 4, 8 gehen an ihrer gemeinsamen zurückgesetzten senkrechten Kante 10 ineinander über. Die für die Verbindung mit den Anschlüssen 7 erforderliche freie Länge der Rohrleitungen 9 kann dadurch innerhalb der Kontur des Gerätes 1 geführt werden; sie müssen nicht den öffnungsrand 11 der Nischenteile 4, 8 übergreifen. Daher sind die Rohrleitungen 9 durch eine Wand, insbesondere durch die waagerechte obere Wand 12 des flachen Nischenteils hindurchgeführt. Die Nischenteile 4, 8 sind einstückig mit dem unteren Abschnitt 2 der Geräterückwand ausgebildet und insbesondere aus Kunststoff gezogen oder gespritzt.A cooling device schematically indicated at 1 has a lower section 2 and an upper section 3 of a rear wall of the device. The lower section 2 is with a Provide niche part 4, the dimensions of which are adapted to the outer contours of a motor compressor 5 with its electrical connection box 6 and the refrigerant line connections 7. In the area lying to the side of the niche part 4, the section 2 is also equipped with a flat niche part 8, which is much smaller in depth than the niche part 4 and is dimensioned for receiving pipes 9 of the refrigerant circuit. The pipes 9 are connected to the connections 7 of the motor compressor 5. The niche parts 4, 8 merge into one another at their common recessed vertical edge 10. The free length of the pipelines 9 required for the connection to the connections 7 can thereby be guided within the contour of the device 1; they do not have to overlap the opening edge 11 of the niche parts 4, 8. Therefore, the pipes 9 are passed through a wall, in particular through the horizontal upper wall 12 of the flat niche part. The niche parts 4, 8 are formed in one piece with the lower section 2 of the rear wall of the device and in particular drawn or injection-molded from plastic.

Der untere, die Nischenteile 4, 8 aufnehmende Abschnitt 2 liegt mit seinem öffnungsrand 11 mit dem übrigen Abschnitt 3 der Geräterückwand in einer Ebene. Dabei sind die Abschnitte 2 und 3 an ihrer.gemeinsamen Kante dicht aneinander ange- . legt, so daß beim Ausschäumen des Raumes zwischen dem nicht dargestellten Innenbehälter des Kühlgerätes 1 und der Rückwwand 2, 3 kein Isolierschaum austritt. Auch ist dadurch eine durchgehende, glatte Gehäuserückwand sichergestellt. Dazu ist der obere Abschnitt 3 als Blechwand ausgebildet, die an ihrer dem Innenbehälter bzw. der Schaumstoffisolierung zugewandten Seite mit einer Verflüssigerrohrschlange 13 belegt ist. Die Rohrleitungen 9 können daher durch den Isolierschaum nicht nur zum Verdampfer sondern auch zum Verflüssiger 13 geführt werden.The lower section 2 receiving the niche parts 4, 8 lies with its opening edge 11 in one plane with the remaining section 3 of the rear wall of the device. Sections 2 and 3 are close together at their common edge. sets, so that when foaming the space between the inner container of the refrigerator 1, not shown, and the rear wall 2, 3 no insulating foam emerges. This also ensures a continuous, smooth rear wall of the housing. For this purpose, the upper section 3 is designed as a sheet metal wall, which is covered with a condenser coil 13 on its side facing the inner container or the foam insulation. The pipes 9 can therefore be led through the insulating foam not only to the evaporator but also to the condenser 13.

Claims (9)

.1. Kühlgerät, insbesondere Haushaltkühl- oder Gefrierschrank, mit einer Nische in der Gerätewückwand für einen Motorkompressor, der über Rohrleitungen mit einem Kältemittelkreislauf verbunden ist, dadurch gekennzeichnet, daß die Nische außer einem den Motor-kompressor (5) aufnehmenden tiefen Nischenteil (4) einen demgegenüber flachen Nischenteil (8) aufweist, durch den die Rohrleitungen (9) geführt sind..1. Cooling device, in particular a household refrigerator or freezer, with a niche in the rear wall of the device for a motor compressor, which is connected to a refrigerant circuit via pipes, characterized in that the niche, in addition to a deep niche part (4) receiving the motor compressor (5), has a opposite Has flat niche part (8) through which the pipes (9) are guided. 2. Kühlgeräte, insbesondere Haushaltkühl- oder Gefrierschrank nach Anspruch 1, dadurch gekennzeichnet, daß die Nischenteile (4, 8), in einem Abschnitt (2) der Geräterückwand nebeneinander angeordnet sind.2. Refrigerators, in particular domestic refrigerator or freezer according to claim 1, characterized in that the niche parts (4, 8), in a section (2) of the rear wall of the device are arranged side by side. 3. Kühlgeräte, insbesondere Haushaltkühl- oder Gefrierschrank nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Nischenteile (4, 8) einstückig mit dem Abschnitt (2) der Geräterückwand verbunden sind.3. Refrigerators, in particular a domestic refrigerator or freezer according to claim 1 or 2, characterized in that the niche parts (4, 8) are integrally connected to the section (2) of the rear wall of the device. 4. Kühlgerät nach Anspruch 1 oder einen der folgenden, dadurch gekennzeichnet, daß die Nischenteile (4, 8) seitlich nebeneinander angeordnet sind.4. Cooling device according to claim 1 or one of the following, characterized in that the niche parts (4, 8) are arranged side by side. 5. Kühlgerät nach Anspruch 1 oder einen der folgenden, dadurch gekennzeichnet, daß die Rohrleitungen (9) durch eine Wand der Nischenteile (4, 8) hindurchgeführt sind.5. Cooling device according to claim 1 or one of the following, characterized in that the pipes (9) through a wall of the niche parts (4, 8) are passed. 6. Kühlgerät nach Anspruch 5, dadurch gekennzeichnet, daß die Rohrleitungen (9) durch die waagerechte obere Wand (12) des flachen Nischenteils (8) hindurchgeführt sind.6. Cooling device according to claim 5, characterized in that the pipes (9) through the horizontal upper wall (12) of the flat niche part (8) are passed. 7. Kühlgerät nach Anspruch 1 oder einen der folgenden, dadurch gekennzeichnet, daß der die Nischenteile (4, 8) aufnehmende Abschnitt (2) mit dem übrigen Abschnitt (3) der Geräterückwand in einer Ebene liegt.7. Cooling device according to claim 1 or one of the following, characterized in that the niche parts (4, 8) receiving section (2) with the remaining section (3) of the rear wall of the device lies in one plane. 8. Kühlgerät nach Anspruch 1 oder einen der folgenden, dadurch gekennzeichnet, daß die Abschnitte (2, 3) getrennt sind und dicht aneinander anstoßen.8. Cooling device according to claim 1 or one of the following, characterized in that the sections (2, 3) are separated and abut tightly against each other. 9. Kühlgeräte nach Anspruch 1 oder einen der folgenden, dadurch gekennzeichnet, daß der Abschnitt (3) der Geräterückwand an seiner dem Innenbehälter zugewandten Seite mit einem Verflüssiger (13) versehen ist, der über eine der Rohrleitungen (9) mit dem Kompressor (5) verbunden ist.9. Cooling device according to claim 1 or one of the following, characterized in that the section (3) of the rear wall of the device on its side facing the inner container is provided with a condenser (13) which via one of the pipes (9) with the compressor (5th ) connected is.
EP84105191A 1983-06-01 1984-05-08 Refrigerator having a recess for a motor-compressor unit Expired - Lifetime EP0127791B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833319865 DE3319865A1 (en) 1983-06-01 1983-06-01 COOLING UNIT WITH A NICHE FOR A MOTOR COMPRESSOR
DE3319865 1983-06-01

Publications (4)

Publication Number Publication Date
EP0127791A2 true EP0127791A2 (en) 1984-12-12
EP0127791A3 EP0127791A3 (en) 1985-10-16
EP0127791B1 EP0127791B1 (en) 1988-04-13
EP0127791B2 EP0127791B2 (en) 1990-11-22

Family

ID=6200421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105191A Expired - Lifetime EP0127791B2 (en) 1983-06-01 1984-05-08 Refrigerator having a recess for a motor-compressor unit

Country Status (4)

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EP (1) EP0127791B2 (en)
DE (2) DE3319865A1 (en)
DK (1) DK158021C (en)
ES (1) ES288298Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603752A2 (en) * 1992-12-21 1994-06-29 Illbruck GmbH Refrigerated cabinet
EP0992750A1 (en) * 1998-10-05 2000-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating device
EP1498674A1 (en) * 2003-07-18 2005-01-19 Forster Küchen- und Kühltechnik AG Refrigerator
DE102013003965A1 (en) * 2013-03-07 2014-09-11 Liebherr-Hausgeräte Lienz Gmbh Cooling and / or freezer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524939A1 (en) * 1985-07-12 1987-01-15 Licentia Gmbh Cooling device
DE29617921U1 (en) 1996-10-15 1996-11-28 Liebherr Hausgeraete Fridge and / or freezer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838917A (en) * 1955-05-03 1958-06-17 Esco Cabinet Company Refrigeration cabinet
FR2373761A1 (en) * 1976-12-09 1978-07-07 Gen Electric REFRIGERATOR CABINET AND MANUFACTURING PROCESS
EP0015206A1 (en) * 1979-02-27 1980-09-03 Thomson-Brandt Refrigerator with moulded base

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1192166B (en) * 1977-01-14 1988-03-31 Eurodomestici Ind Riunite REFRIGERANT CIRCUIT FOR A REFRIGERATOR WITH 2 COMPARTMENTS AT DIFFERENT OPERATING TEMPERATURES AS WELL AS REFRIGERATOR PROVIDED WITH SUCH CIRCUIT
DE3318448A1 (en) * 1983-05-20 1984-11-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt METHOD AND WORK EQUIPMENT FOR INSTALLING A MOTOR COMPRESSOR IN A NICHE OF A REFRIGERATOR

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838917A (en) * 1955-05-03 1958-06-17 Esco Cabinet Company Refrigeration cabinet
FR2373761A1 (en) * 1976-12-09 1978-07-07 Gen Electric REFRIGERATOR CABINET AND MANUFACTURING PROCESS
EP0015206A1 (en) * 1979-02-27 1980-09-03 Thomson-Brandt Refrigerator with moulded base

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603752A2 (en) * 1992-12-21 1994-06-29 Illbruck GmbH Refrigerated cabinet
EP0603752A3 (en) * 1992-12-21 1994-11-09 Illbruck Gmbh Refrigerated cabinet.
EP0992750A1 (en) * 1998-10-05 2000-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating device
EP1498674A1 (en) * 2003-07-18 2005-01-19 Forster Küchen- und Kühltechnik AG Refrigerator
DE102013003965A1 (en) * 2013-03-07 2014-09-11 Liebherr-Hausgeräte Lienz Gmbh Cooling and / or freezer

Also Published As

Publication number Publication date
DK233684A (en) 1984-12-02
DK233684D0 (en) 1984-05-11
DK158021B (en) 1990-03-12
EP0127791B1 (en) 1988-04-13
ES288298Y (en) 1986-10-01
ES288298U (en) 1986-03-01
DE3319865C2 (en) 1991-01-24
EP0127791A3 (en) 1985-10-16
DE3470431D1 (en) 1988-05-19
EP0127791B2 (en) 1990-11-22
DK158021C (en) 1990-08-27
DE3319865A1 (en) 1984-12-06

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