EP0520309B1 - Verdampfer für ein Kompressor-Kühlgerät - Google Patents

Verdampfer für ein Kompressor-Kühlgerät Download PDF

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Publication number
EP0520309B1
EP0520309B1 EP92110195A EP92110195A EP0520309B1 EP 0520309 B1 EP0520309 B1 EP 0520309B1 EP 92110195 A EP92110195 A EP 92110195A EP 92110195 A EP92110195 A EP 92110195A EP 0520309 B1 EP0520309 B1 EP 0520309B1
Authority
EP
European Patent Office
Prior art keywords
tube
evaporator
suction
guide tube
capillary
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
EP92110195A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0520309A1 (de
Inventor
Dieter Bitter
Eberhard Bornkessel
Helmut Gehrke
Herbert Stember
Horst Schnabel
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.)
Krupp VDM GmbH
Original Assignee
Krupp VDM 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 Krupp VDM GmbH filed Critical Krupp VDM GmbH
Priority to EP94113040A priority Critical patent/EP0629824B1/de
Publication of EP0520309A1 publication Critical patent/EP0520309A1/de
Application granted granted Critical
Publication of EP0520309B1 publication Critical patent/EP0520309B1/de
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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated elements
    • F25B39/024—Evaporators with plate-like or laminated elements with elements constructed in the shape of a hollow panel
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the cycle
    • 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
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters

Definitions

  • the invention relates to an evaporator for a compressor cooling device, which is made from a two-layer evaporator board, between which meandering refrigerant channels and an inlet and an outlet area for supplying and discharging the refrigerant are formed, with an intake pipe connected to the outlet area, which can be connected to a suction side of the compressor, and with a capillary tube for supplying liquid refrigerant into the inlet area, which passes through the suction tube outside the evaporator and can be connected to a condenser.
  • Evaporators designed in this way are known, for example, from DE-B-1 242 646 and are used in many domestic refrigerators.
  • the invention is now concerned with the refrigerant circuit, in particular with the refrigerant inlet into the evaporator, which takes place in the known cooling devices via a long throttle capillary tube corresponding to the required throttling effect, which according to the state of the art represents the refrigerant supply line.
  • This throttle capillary tube is routed regularly into the inlet area of the refrigerant channel through a corresponding inlet thrust and, in the case of the so-called single-tube connection, also lies in the outlet area of the refrigerant channel with a section of its length.
  • the refrigerant channel itself runs in a meandering manner in one of two aluminum sheets welded together, for example according to the so-called roll bonding process Manufactured, originally flat, then formed into the refrigerator compartment evaporator board and closes on the outlet side with an aluminum pipe socket, the so-called suction pipe, which is inserted pressure-tight into the channel end.
  • the throttle capillary tube is so long today in the majority of the refrigerator types manufactured that it can only be accommodated to a small extent in the inlet area of the refrigerant channel of the evaporator and is largely outside the evaporator, often with a partial length of several meters. This part length is regularly wound up in a ring bundle to form a so-called capillary curl.
  • a first production simplification could already be achieved by using throttle capillary tubes for evaporators of different types, all of which have an outer diameter of, for example, 1.9 mm, with inner diameters of, for example, 0.55 to 1.05 mm, which allow a type-dependent adaptation.
  • at least connections of the throttle capillary tube or openings for this can be designed uniformly.
  • the dragging of the capillary curl in the final stages of production continues to be a hindrance, just as the capillary curl unfavorably determines the packing density of the evaporators during transport to the cooling device manufacturers.
  • the object of the invention is to simplify the variety in the manufacture of the evaporators caused by the numerous types of cooling devices and to take into account the consequences of using new refrigerants of lower viscosity.
  • the generic evaporator is now characterized by the arrangement of a guide tube, the inner diameter of which is somewhat larger than the outer diameter of the capillary tube and the outer diameter of which is substantially smaller than the inner diameter of the suction tube, and the outer end of which opens into the inlet area, the inlet and outlet area being defined by the the outer tube wall of the guide tube and a constriction between the two evaporator boards are separated from one another, and the capillary tube is arranged in a first length section L1 of the guide tube, and ends therein, while the guide tube has a subsequent second length section L2 with a cross section which is wider than the capillary flow cross section, which is connected to the inlet area.
  • a gap the size of a soldering fit is regularly set, the filling of which connects the tubes during soldering.
  • the invention enables extensive standardization of the evaporator production and basically allows the separate production of the still throttle-capillary tube-free evaporator and the associated capillary tubes up to a final assembly in which the capillary tube is installed in the guide tube, that is, inserted as far as possible into or through this and finally being soldered to this
  • the length, type and installation of the guide tubes in the evaporator boards can be reduced to a small number of construction variants, thus simplifying the production process.
  • One embodiment of the invention provides that the guide tube has a constriction as a stop for the evaporator-side end of the throttle capillary tube.
  • a curved intermediate pipe is arranged between the suction pipe and a suction line to the compressor, which is penetrated by the capillary pipe and the guide pipe, that the constriction seen in the inflow direction behind the opening of the intermediate pipe and thus within the through the intermediate pipe, the suction pipe and the inlet area of the Refrigerant channel formed area is. It is also expedient to expand the end of the guide tube in a funnel shape in order to make it easier to insert the throttle capillary tube into the guide tube and to solder both parts.
  • the invention makes it possible to adapt easily to different design requirements of the cooling device manufacturers.
  • An arrow 5 indicates the inflow direction
  • another arrow 6 indicates the outflow direction.
  • FIG. 1 shows a flat evaporator, the refrigerant channel 2 of which is partially indicated by a broken line.
  • the suction tube 10 is held in the evaporator board via a soldered connection 16.
  • a solder joint 17 holds the throttle capillary tube 7 in the guide tube 8.
  • the constriction 19 in the inlet area 3 forms the inner fixation of the refrigerant supply line.
  • the external fixation takes place in an opening 20 in the tube wall of the intermediate tube 11, into which the guide tube 8 is soldered.
  • a suction tube 10 serves for the refrigerant outlet.
  • the guide tube 8 is expanded at its outer end to form a funnel 21 and has a constriction 22 as a stop for the throttle capillary tube 7.
  • a spike 23 is provided, into which the suction tube 10 is inserted with a solder fit. This enables a particularly reliable Cu / Al solder connection to be made.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Compressor (AREA)
EP92110195A 1991-06-22 1992-06-17 Verdampfer für ein Kompressor-Kühlgerät Expired - Lifetime EP0520309B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94113040A EP0629824B1 (de) 1991-06-22 1992-06-17 Verdampfer für ein Kompressor-Kühlgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4120651 1991-06-22
DE4120651A DE4120651A1 (de) 1991-06-22 1991-06-22 Verdampfer fuer ein kompressor-kuehlgeraet

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP94113040.3 Division-Into 1992-06-17

Publications (2)

Publication Number Publication Date
EP0520309A1 EP0520309A1 (de) 1992-12-30
EP0520309B1 true EP0520309B1 (de) 1996-01-10

Family

ID=6434526

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94113040A Expired - Lifetime EP0629824B1 (de) 1991-06-22 1992-06-17 Verdampfer für ein Kompressor-Kühlgerät
EP92110195A Expired - Lifetime EP0520309B1 (de) 1991-06-22 1992-06-17 Verdampfer für ein Kompressor-Kühlgerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94113040A Expired - Lifetime EP0629824B1 (de) 1991-06-22 1992-06-17 Verdampfer für ein Kompressor-Kühlgerät

Country Status (11)

Country Link
US (1) US5269158A (no)
EP (2) EP0629824B1 (no)
JP (1) JPH05180535A (no)
BR (1) BR9202354A (no)
CA (1) CA2071761A1 (no)
DE (4) DE4120651A1 (no)
DK (2) DK0629824T3 (no)
ES (2) ES2105444T3 (no)
FI (1) FI922881A (no)
NO (1) NO176456C (no)
TR (1) TR26063A (no)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6110168A (en) * 1993-02-10 2000-08-29 Radiant Medical, Inc. Method and apparatus for controlling a patient's body temperature by in situ blood temperature modifications
JP3540075B2 (ja) † 1995-12-11 2004-07-07 松下電器産業株式会社 空気調和機
IT1288846B1 (it) * 1996-02-07 1998-09-25 Cga Comp Gen Allumino Spa Assemblato per scambio calore e rispettivo processo ed impianto di produzione
SE506059C2 (sv) * 1996-02-28 1997-11-03 Electrolux Ab Anordning vid en förångare
US5765393A (en) * 1997-05-28 1998-06-16 White Consolidated Industries, Inc. Capillary tube incorporated into last pass of condenser
DE29716572U1 (de) * 1997-09-15 1997-12-04 Liebherr-Hausgeräte GmbH, 88416 Ochsenhausen Kühlgerät mit einem Normalkühlraum und einem Tiefkühlfach
US6338727B1 (en) 1998-08-13 2002-01-15 Alsius Corporation Indwelling heat exchange catheter and method of using same
DE19840412A1 (de) * 1998-09-04 2000-03-09 Bsh Bosch Siemens Hausgeraete Verdampferplatine
DE19900701A1 (de) * 1999-01-11 2000-07-13 Vdm Evidal Gmbh Kapillar-Saugrohrsystem für Verdampfersysteme bzw. Kältekreislaufsysteme
DE19907183A1 (de) * 1999-02-19 2000-08-24 Bsh Bosch Siemens Hausgeraete Verdampferplatine
DE10055915A1 (de) * 2000-11-10 2002-05-23 Bsh Bosch Siemens Hausgeraete Kältemittelkreislauf für eine Kältemaschine
DE10360899A1 (de) * 2003-12-23 2005-07-21 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit ultraschallverschweißtem Saug- und Drosselrohr
DE202004007836U1 (de) * 2004-05-14 2004-07-15 Dometic S.A.R.L. Kühlsystem
GB2418478A (en) * 2004-09-24 2006-03-29 Ti Group Automotive Sys Ltd A heat exchanger
DE102011006260A1 (de) * 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
DE102013021350A1 (de) * 2013-12-04 2015-06-11 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
CN109869973B (zh) * 2017-12-05 2022-03-29 松下电器产业株式会社 冷冻冷藏库
EP4343231A1 (en) * 2021-11-19 2024-03-27 Samsung Electronics Co., Ltd. Air conditioner

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776550A (en) * 1952-10-21 1957-01-08 Gen Electric Capillary adaptor
US2760346A (en) * 1953-10-01 1956-08-28 Gen Motors Corp Refrigerating apparatus of dissimilar metals
US2956421A (en) * 1957-04-04 1960-10-18 Borg Warner Capillary refrigerating systems
US2979924A (en) * 1958-03-17 1961-04-18 Gen Electric Refrigerating system composed of dissimilar metals
US2959027A (en) * 1958-11-28 1960-11-08 James O Ewing Combination evaporator-condenser assembly with concentric tubular construction
DE1242646B (de) * 1961-02-08 1967-06-22 Schmoele Metall R & G Kaelteeinrichtung fuer Kuehlschraenke
US3172272A (en) * 1962-06-19 1965-03-09 Westinghouse Electric Corp Air conditioning apparatus
US3531947A (en) * 1968-10-29 1970-10-06 Gen Electric Refrigeration system including refrigerant noise suppression
DE2231538A1 (de) * 1971-07-03 1973-01-11 Zanussi A Spa Industrie Verbesserung an kuehlmoebelverdampfern und herstellungsverfahren dazu
US4086782A (en) * 1975-04-16 1978-05-02 Aktiebolaget Electrolux Noise reduction arrangement for a compressor type refrigerator
US4449853A (en) * 1983-04-11 1984-05-22 Mennella Robert J Flexible sleeve elbow for gas service lines
JPS6016277A (ja) * 1984-06-13 1985-01-28 松下冷機株式会社 板状冷却器
US4715187A (en) * 1986-09-29 1987-12-29 Vacuum Barrier Corporation Controlled cryogenic liquid delivery

Also Published As

Publication number Publication date
ES2105444T3 (es) 1997-10-16
US5269158A (en) 1993-12-14
EP0520309A1 (de) 1992-12-30
EP0629824B1 (de) 1997-07-30
NO176456C (no) 1995-04-05
JPH05180535A (ja) 1993-07-23
NO176456B (no) 1994-12-27
FI922881A (fi) 1992-12-23
NO922427L (no) 1992-12-23
TR26063A (tr) 1994-12-15
DE9116265U1 (de) 1992-09-03
CA2071761A1 (en) 1992-12-23
BR9202354A (pt) 1993-01-26
DK0520309T3 (da) 1996-06-10
EP0629824A1 (de) 1994-12-21
DE59208763D1 (de) 1997-09-04
ES2084875T3 (es) 1996-05-16
DK0629824T3 (da) 1998-02-23
DE59204980D1 (de) 1996-02-22
DE4120651A1 (de) 1993-01-14
NO922427D0 (no) 1992-06-19
FI922881A0 (fi) 1992-06-18

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