EP0868638B1 - Appareil frigorifique, en particulier appareil frigorifique domestique - Google Patents

Appareil frigorifique, en particulier appareil frigorifique domestique Download PDF

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Publication number
EP0868638B1
EP0868638B1 EP96934756A EP96934756A EP0868638B1 EP 0868638 B1 EP0868638 B1 EP 0868638B1 EP 96934756 A EP96934756 A EP 96934756A EP 96934756 A EP96934756 A EP 96934756A EP 0868638 B1 EP0868638 B1 EP 0868638B1
Authority
EP
European Patent Office
Prior art keywords
sieve
cooling appliance
appliance according
surround
receiving sleeve
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.)
Expired - Lifetime
Application number
EP96934756A
Other languages
German (de)
English (en)
Other versions
EP0868638A1 (fr
Inventor
Alexander Rupp
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0868638A1 publication Critical patent/EP0868638A1/fr
Application granted granted Critical
Publication of EP0868638B1 publication Critical patent/EP0868638B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • 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
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion

Definitions

  • the invention relates to a refrigerator, in particular a household refrigerator, such as a refrigerator or Freezers, with at least one refrigeration cycle, within which one Dryer cartridge is arranged, in the cartridge housing one made of sintered materials formed, through which refrigerant flows, which is arranged on its Peripheral edges are surrounded by a frame-like border with which the sieve is fixed in the flow cross section of the dryer housing.
  • a household refrigerator such as a refrigerator or Freezers
  • the wire screens have been changed to screens made of sintered materials, to replace so-called sintered sieves. These are within the range of refrigerant flowed cross section of the dryer housing through at least approximately Sieving thickness corresponding beads formed in the housing wall without cutting fixed.
  • special attention should be paid to the fact that the sieve with a certain installation air in the flow cross section of the dryer housing is inserted and that the introduction of the beads is controlled so that the sintered sieve is not damaged during its fixing process.
  • To meet these demands is both a complicated and therefore costly assembly - as well Fixing tool necessary.
  • a refrigerator according to the features of the preamble of Claim 1 known from EP-A-0 594 431. That in this publication
  • the refrigeration device disclosed includes a dryer cartridge in its refrigeration cycle a housing in which a filter is held.
  • a cup-shaped holding element provided, in the cup space of the filter body is inserted.
  • the holder of the filter inside the cup-like holder is on this integrally formed tab-like projections, which after the insertion of the Filter body in the receiving space of the cup-like receptacle against the filter body are bent.
  • this type of mounting means that the Resiliently spring back protrusions after bending, which ensures a liquid-tight contact of the filter on the bottom of the cup-like receptacle is not guaranteed and therefore the filter effect due to the non-installation created by-pass is inadequate.
  • a bracket brings for a filter body that a significant part due to the bending of the projections the effective filter area is covered and therefore cannot be flowed through. The covered part of the filter surface is therefore ineffective.
  • By covering certain Filter sections of the active filter area there is a risk that the around the accumulated cover area reduces the active filter area prematurely Clogged dirt particles and thus the dryer and thus the entire refrigeration cycle becomes inoperable prematurely.
  • the partial flat coverage of the Filter body the danger in it, due to the covers and the resulting resulting reduced active filter area in the refrigerant circuit of a cooling device an undesirable back pressure arises.
  • the invention is based on the object of having a sieve formed from sintered materials to improve simple constructive measures in such a way that the disadvantages of the State of the art in its assembly and fixations in the dryer housing are avoided.
  • the inventive sintered sieve does not experience any of this Impairment caused by flat coverings available standing active filter area.
  • the enclosure as a provided with the stop collar Receiving sleeve is formed.
  • Such an enclosure means that the sieve is prone to brittle fracture at its edges can be provided with a bezel particularly easily and quickly without applying force, in which it already largely through the stop collar without additional measures is precisely positioned and thus functionally reliable.
  • the holder for the sieve is particularly secure if after a next one preferred embodiment of the object of the invention is provided, which Holder for the sieve in the receiving sleeve through the retaining collar arranged thereon is effected.
  • the retaining collar for holding the screen with a the holding sleeve connected to the holding sleeve is produced.
  • the manufacture of an enclosure for mass production is particularly inexpensive, if provided according to an alternative embodiment of the object of the invention is that the border for the sieve is embedded by embedding its contour edges in injection or materials that can be processed by casting.
  • a frame for a sieve is particularly easy to produce, if after another preferred embodiment of the object of the invention is provided that the Sieve has a circular cross-section, on the contour of the border encloses form-fitting and force-fitting.
  • a particularly high filter effect through the sieve is achieved if after a last one preferred embodiment of the object of the invention is provided that the Sieve is enclosed in a liquid-tight manner on its peripheral edges by the border.
  • a household refrigerator 10 is shown, the heat insulating Housing 11 with two attached and separately opening doors 12 and 13 is provided.
  • the doors 12 and 13 are not thermally separated specified storage compartments of different temperatures accessible, their Fan temperature is maintained with the help of a refrigeration system 14.
  • the refrigeration system 14 has two Refrigerant circuits I and II, which are controlled by an electrically controllable 3/2-way solenoid valve 15 can be acted upon with refrigerant.
  • the electric controllable solenoid valve 15 is one at each of its outputs Refrigerant lines, not specified, with the solenoid valve 15 downstream flow restrictor 16 or 17, both in the form of a spirally wound capillary tube are trained.
  • Each of the throttle devices 16 and 17 is on the output side with an injection point (not shown in detail) of a refrigerant evaporator 18 or 19 fluidically connected, which in parallel to each other lie.
  • the outputs of the two evaporators 18 and 19 are through a Refrigerant line 20 merged, and to a common suction line 21 connected, which is connected to the suction side of a refrigerant compressor 22 is fluidly connected. This is on the output side to one Condenser 23 connected, which in turn with a Drying device in the form of a dryer cartridge 24 is connected.
  • a Refrigerant line 20 merged, and to a common suction line 21 connected, which is connected to the suction side of a refrigerant compressor 22 is fluidly connected.
  • This is on the output side to one Condenser 23 connected, which in turn with a Drying device in the form of a dryer cartridge 24 is connected.
  • the Dryer cartridge 24, which is connected on the output side to the solenoid valve 15 is having a substantially tubular housing circular cylindrical cross-section, the tube wall 25 on its two End faces through non-cutting shaping, for example in the form of a Hammering down is formed into a connecting piece 26 or 27 Adjacent to the connecting piece 27 is an opposite of that indicated by the arrow symbolically indicated direction of refrigerant flow through the dryer cartridge 24 in the tube space 28 enclosed by its tube wall 25 as Dirt filter serving screen body 30 is provided, which on the inner tube surface the dryer cartridge 24 fluid-tightly fixed is.
  • the screen body 30 comprises a sintered bronze, such as Sica grade, B100 formed sieve 31, which on its peripheral edges of a surrounds these contours following the contour 32, which the Sieve 31 encloses and fixed like a frame.
  • the bezel 32 is in the present Embodiment generated by a receiving sleeve 33, which from a one-piece, plastically deformable metallic circular hollow cylinder is formed, which with its inner surface surrounds the surface of the sieve and which on one of its faces has a pre-shaped bend its lateral surface produced stop collar 34 towards its center axis having. This is essentially force-free in the hollow cylinder inserted sieve 31 with one of its end faces for fixing its correct mounting position.
  • Fixing the sieve 31 within the Pipe space of the receiving sleeve 33 is the projecting over the height of the screen Non-cutting tube wall deformed such that a retaining collar 35 is formed which is together with the stop collar 34 and the pipe jacket wall of the receiving sleeve form the border 32, which the sieve 31 both form and non-positively engages so that it also encloses liquid-tight.
  • the border 32 are suitable in addition to plastically deformable metals also high temperature resistant, plastically deformable plastics as well as cast and sprayable metals.
  • the sieve 41 is of two parts assembled bezel 42, frame-like positively and non-positively enclosed.
  • the border 42 which is liquid-tight on the inner tube wall Dryer cartridge is held by means of a frictional connection, has a first, in Form of a circular hollow cylinder formed receiving sleeve 43, which like the receiving sleeve 33 on one of its end faces with one to its center axis Executed bend 44 is provided, the inner surface as a contact surface serves for the screen body 41.
  • Holding sleeve 45 is provided, which like the receiving sleeve 43 in the manner of a Circular hollow cylinder is formed and in which the tube wall one to her Has center axis directed bend 46.
  • the holding sleeve 45 is dimensioned in terms of their diameter such that they fit into the receiving sleeve 43 is insertable and in the inserted state with its outer lateral surface abuts the inner tubular surface of the receiving sleeve 43.
  • the holding sleeve 45 within the Receiving sleeve 43 is arranged, wherein the outer surface of the holding sleeve 45 arranged bend serves as a support surface for the sieve 41.
  • the receiving sleeve 43 and the holding sleeve 45 are the receiving sleeve 43 and the holding sleeve 45 in the area their interacting tubular jacket wall with each other form and / or non-positively, for example by welding or by crimping, by connecting the two sleeves 43 and 45 which the sieve 41 at its contour enclosing form and force fit 42 is generated, which surrounds the sieve 41 in a liquid-tight manner.
  • Border 32 are for border 42 in addition to plastically deformable metals, plastically deformable, heat-resistant plastics also conceivable metals, which have a lower plastic deformability, but are easily machinable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtering Materials (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (8)

  1. Appareil frigorifique, en particulier appareil frigorifique domestique (10) tel qu'un réfrigérateur ou congélateur, comprenant au moins un cycle frigorifique (I, II) dans lequel est placée une cartouche dessiccative (24), dans le boítier de cartouche étant placé un tamis (31, 41) constitué de matériaux frittés et parcouru par un réfrigérant et dont les bords extérieurs sont entourés d'une bordure (32, 42) de type cadre, laquelle assure la fixation du tamis (31, 41) dans la section de passage du boítier de cartouche, caractérisé en ce que la bordure (32, 42) comporte un collet de butée (34, 44) et un collet de maintien (35, 46) entre lesquels le tamis (31, 41) est maintenu par adhérence et concordance des formes.
  2. Appareil frigorifique selon la revendication 1, caractérisé en ce que la bordure (32, 42) est réalisée sous la forme d'une douille de positionnement (43) munie du collet de butée (34, 44).
  3. Appareil frigorifique selon la revendication 2, caractérisé en ce que la fixation du tamis (31, 41) dans la douille de positionnement (33, 43) est obtenue par le collet de maintien (35, 46) disposé sur celle-ci.
  4. Appareil frigorifique selon la revendication 3, caractérisé en ce que le collet de maintien (46) pour la fixation du tamis (41) est obtenu par une douille de maintien (45) reliée à la douille de positionnement (43).
  5. Appareil frigorifique selon la revendication 3, caractérisé en ce que le collet de maintien (35) pour la fixation du tamis (31) est obtenu par formage sans enlèvement de matière de la face frontale opposée au collet de butée (34) de la douille de positionnement (33).
  6. Appareil frigorifique selon la revendication 1, caractérisé en ce que la bordure (32, 42) du tamis (31, 41) est réalisée par immersion de ses bords extérieurs dans des matériaux aptes à être mis en oeuvre par des techniques d'injection ou de coulée.
  7. Appareil frigorifique selon l'une des revendications 1 à 6, caractérisé en ce que le tamis (31, 41) présente une section circulaire dont le contour entoure la bordure (32, 42) par concordance des formes et adhérence, de manière à épouser sa forme au moins en très grande partie.
  8. Appareil frigorifique selon l'une des revendications 1 à 7, caractérisé en ce que le tamis (31, 41), au niveau de ses bords extérieurs, est entouré par la bordure (32, 42) de manière étanche au liquide.
EP96934756A 1995-12-20 1996-10-18 Appareil frigorifique, en particulier appareil frigorifique domestique Expired - Lifetime EP0868638B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19547744 1995-12-20
DE19547744A DE19547744A1 (de) 1995-12-20 1995-12-20 Kältegerät
PCT/EP1996/004547 WO1997022841A1 (fr) 1995-12-20 1996-10-18 Appareil frigorifique, en particulier appareil frigorifique domestique

Publications (2)

Publication Number Publication Date
EP0868638A1 EP0868638A1 (fr) 1998-10-07
EP0868638B1 true EP0868638B1 (fr) 2001-07-11

Family

ID=7780767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96934756A Expired - Lifetime EP0868638B1 (fr) 1995-12-20 1996-10-18 Appareil frigorifique, en particulier appareil frigorifique domestique

Country Status (6)

Country Link
EP (1) EP0868638B1 (fr)
CN (1) CN1153031C (fr)
BR (1) BR9612139A (fr)
DE (2) DE19547744A1 (fr)
TR (1) TR199800993T2 (fr)
WO (1) WO1997022841A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20023972U1 (de) * 2000-12-15 2008-04-10 BSH Bosch und Siemens Hausgeräte GmbH Magnetventil für einen Kältemittelkreislauf
DE10062666A1 (de) * 2000-12-15 2002-06-20 Bsh Bosch Siemens Hausgeraete Magnetventil
DE102004053272B3 (de) 2004-10-26 2006-04-27 Visteon Global Technologies, Inc. Intellectual Property Department, Van Buren Township Baugruppe für Kältemittel-Kreisläufe
DE102006006731A1 (de) 2006-02-13 2007-08-16 Danfoss A/S Kühlanlage
JP5238022B2 (ja) 2007-06-12 2013-07-17 ダンフォス・アクチ−セルスカブ 冷媒配分を制御する方法
DE102007028562B4 (de) 2007-06-19 2009-03-19 Danfoss A/S Kühlanlage
DE102007028563A1 (de) 2007-06-19 2008-12-24 Danfoss A/S Kühlanlage
DE102007028564A1 (de) 2007-06-19 2008-12-24 Danfoss A/S Kühlanlage
DE102007028565A1 (de) 2007-06-19 2008-12-24 Danfoss A/S Kühlanlage
DE102010018543A1 (de) * 2010-03-01 2011-09-01 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
FR3116598A1 (fr) * 2020-11-24 2022-05-27 Valeo Systemes Thermiques Circuit de fluide réfrigérant comprenant un filtre à particules

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE820133C (de) * 1943-06-01 1951-11-08 Gen Motors Corp Trockenmittel
US4078036A (en) * 1975-07-24 1978-03-07 Pittsfield Products, Inc. Cartridge filter construction
EP0594431B1 (fr) * 1992-10-23 1998-01-07 Matsushita Refrigeration Company Compresseur de réfrigérant et système de réfrigération avec ce compresseur
DE4242776A1 (de) * 1992-12-17 1994-06-23 Bosch Siemens Hausgeraete Kühlgerät, insbesondere Mehrtemperaturen-Kühlgerät
EP0666456B1 (fr) * 1994-02-04 1999-05-19 Eaton Corporation Accumulateur/sécheur pour fluide frigorigène
US5522204A (en) * 1994-04-29 1996-06-04 Stanhope Products Company Desiccant container

Also Published As

Publication number Publication date
CN1205767A (zh) 1999-01-20
CN1153031C (zh) 2004-06-09
DE59607284D1 (de) 2001-08-16
EP0868638A1 (fr) 1998-10-07
DE19547744A1 (de) 1997-06-26
WO1997022841A1 (fr) 1997-06-26
BR9612139A (pt) 1999-10-13
TR199800993T2 (xx) 1998-08-21

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