EP1040302B1 - Kältegerät - Google Patents
Kältegerät Download PDFInfo
- Publication number
- EP1040302B1 EP1040302B1 EP98965289A EP98965289A EP1040302B1 EP 1040302 B1 EP1040302 B1 EP 1040302B1 EP 98965289 A EP98965289 A EP 98965289A EP 98965289 A EP98965289 A EP 98965289A EP 1040302 B1 EP1040302 B1 EP 1040302B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- refrigerant
- injection points
- refrigerating
- compartments
- 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
Links
Images
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
- 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
- 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
- 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
- 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
- This object is achieved according to the invention in that on the evaporator for generation the lower temperature at least two injection points are provided, of which each upstream of a throttle device with a different flow resistance and each of which can be controlled by a deflecting member.
- control range of the in the series circuit of the Increase the size of the evaporator at the end of the evaporator if there is an alternative Embodiment of the subject of the invention is provided that the injection points are spaced apart on the evaporator to generate the lower temperature and a portion of the refrigerant channel arrangement of this evaporator between them take up.
- the normal refrigerator compartment 15 Above the normal refrigerator compartment 15 is one Temperature of -18 ° C lying freezer 17 provided for cooling it in cross section essentially ⁇ -shaped (in the form of a lying U) evaporator 18 provided with a ceiling section, a rear wall and a floor section is.
- the evaporator 18 is provided with a continuous over its ceiling section, its rear wall and its bottom portion extending refrigerant channel arrangement 19 equipped, which on their inflow side lying in the ceiling section Provide the end with two immediately adjacent refrigerant injection points 20 and 21 is, the refrigerant injection point 21 is followed by a channel section 21.1, which in an opening 21.2 lying after the injection point 20 in the Refrigerant arrangement 19 opens.
- the refrigerant After flowing through the evaporator 14, the refrigerant is in the series circuit the evaporator is in the last position for cooling the normal cooling compartment serving evaporator 16, from where it is then in the gaseous state is sucked in on the refrigerant compressor 26 via the refrigerant line 27. Because of the low Spacing of the two injection points 20 and 21 in the ceiling section of the Evaporator 18 is an optimal degree of filling of the series connected in series Evaporator 14, 16 and 17 reached because of the in both modes of liquid refrigerant flow channel length is at least largely the same length.
Landscapes
- 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)
Description
- Fig. 1
- in vereinfachter schematischer Darstellung ein drei Kältefächer aufweisendes Kältegerät, dessen Gefrierfachverdampfer zwei benachbart zueinander angeordnete, mit je einer Drosseleinrichtung unterschiedlichen Durchflußwiderstandes versehene Einspritzstellen aufweist, von denen in einer ersten Betriebsweise die Drosseleinrichtung mit dem höheren Durchflußwiderstand angesteuert ist und
- Fig. 2
- das Kältegerät gemäß Fig.1, betrieben in seiner zweiten Betriebsart, in welcher die Einspritzstelle mit der ihr vorgeschalteten Drosseleinrichtung geringeren Strömungswiderstandes angesteuert ist.
Claims (6)
- Kältegerät mit einem wärmeisolierenden Gehäuse, innerhalb welchem wenigstens zwei thermisch voneinander getrennte Kältefächer unterschiedlicher Temperatur angeordnet sind, von denen jedes von einem mit entsprechender Kälteleistung ausgestatteten Verdampfer gekühlt ist, wobei die zur Kühlung der Fächer dienenden Verdampfer zusammen in einem Kältekreislauf in Reihenschaltung hintereinander angeordnet und von einem im Kältekreislauf befindlichen Verdichter mit Kältemittel beaufschlagt sind, dadurch gekennzeichnet, daß am Verdampfer (18) zur Erzeugung der tieferen Temperatur wenigstens zwei Einspritzstellen (20, 21) vorgesehen sind, von denen jeder eine Drosseleinrichtung (22, 23) mit einem unterschiedlichen Durchflußwiderstand vorgeschaltet ist und von denen jede durch ein Umlenkorgan (24) ansteuerbar ist.
- Kältegerät nach Anspruch 1, dadurch gekennzeichnet, daß die Einspritzstellen (20, 21) benachbart zueinander am zuflußseitigen Ende der Kanalanordnung (19) des Verdampfers (18) zur Erzeugung der tieferen Temperatur angeordnet sind.
- Kältegerät nach Anspruch 1, dadurch gekennzeichnet, daß die Einspritzstellen am Verdampfer (18) zur Erzeugung der tieferen Temperatur zueinander beabstandet sind und einen Abschnitt der Kältemittelkanalanordnung (19) dieses Verdampfers (18) zwischen sich aufnehmen.
- Kältegerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Verdampfer (18) zur Erzeugung der tieferen Temperatur als ⊂-förmiger d.h. in Form eines liegenden U, Gefrierfachverdampfers ausgebildet ist, in dessen Decke die beiden Einspritzstellen (20, 21) benachbart zueinander angeordnet sind.
- Kältegerät nach Anspruch 1, dadurch gekennzeichnet, daß das Umlenkorgan zur Anstellung der beiden Einspritzstellen (20, 21) als elektrisch betriebenes 3/2-Wegemagnetventil (24) ausgebildet ist.
- Kältegerät nach Anspruch 1, dadurch gekennzeichnet, daß die Drosseleinrichtung (22, 23) als Drosselrohre mit unterschiedlichem Durchflußquerschnitt ausgebildet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756861A DE19756861A1 (de) | 1997-12-19 | 1997-12-19 | Kältegerät |
DE19756861 | 1997-12-19 | ||
PCT/EP1998/008358 WO1999032836A1 (de) | 1997-12-19 | 1998-12-18 | Kältegerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1040302A1 EP1040302A1 (de) | 2000-10-04 |
EP1040302B1 true EP1040302B1 (de) | 2002-03-27 |
Family
ID=7852736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98965289A Expired - Lifetime EP1040302B1 (de) | 1997-12-19 | 1998-12-18 | Kältegerät |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1040302B1 (de) |
CN (1) | CN1155787C (de) |
DE (2) | DE19756861A1 (de) |
ES (1) | ES2175846T3 (de) |
TR (1) | TR200001667T2 (de) |
WO (1) | WO1999032836A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6931870B2 (en) * | 2002-12-04 | 2005-08-23 | Samsung Electronics Co., Ltd. | Time division multi-cycle type cooling apparatus and method for controlling the same |
CN1779394B (zh) * | 2004-11-18 | 2010-04-28 | 泰州乐金电子冷机有限公司 | 冰箱及其操作控制方法 |
DE102007016849A1 (de) | 2007-04-10 | 2008-10-16 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit drei Temperaturzonen |
DE202008009956U1 (de) | 2008-04-15 | 2009-08-20 | Liebherr-Hausgeräte Lienz Gmbh | Kühl- und/oder Gefriergerät |
DE102011006856A1 (de) | 2011-04-06 | 2012-10-11 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltskältegerät mit Kältemittelrohrleitungen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB910070A (en) * | 1961-05-10 | 1962-11-07 | Standard Pressed Steel Co | Improvements in and relating to refrigerators of the vapour-compression type |
US3977205A (en) * | 1975-03-07 | 1976-08-31 | Dravo Corporation | Refrigerant mass flow control at low ambient temperatures |
JPS59164860A (ja) * | 1983-03-09 | 1984-09-18 | 株式会社東芝 | 冷蔵庫の冷凍サイクル |
DE3508805A1 (de) | 1985-03-12 | 1986-09-18 | Bosch Siemens Hausgeraete | Kuehlmoebel, insbesondere zweitemperaturen-kuehlschrank |
IT1192083B (it) * | 1986-05-20 | 1988-03-31 | Zanussi Elettrodomestici | Circuito frigorifero con compressore rotativo |
DE4020537A1 (de) | 1990-06-28 | 1992-01-02 | Bauknecht Hausgeraete | Mehrtemperaturen-kuehlmoebel, z.b. kuehl-gefrierkombination |
US5209073A (en) * | 1990-11-01 | 1993-05-11 | Fisher & Paykel Limited | Cooling device and method with multiple cooled chambers and multiple expansion means |
-
1997
- 1997-12-19 DE DE19756861A patent/DE19756861A1/de not_active Withdrawn
-
1998
- 1998-12-18 CN CNB988123584A patent/CN1155787C/zh not_active Expired - Lifetime
- 1998-12-18 ES ES98965289T patent/ES2175846T3/es not_active Expired - Lifetime
- 1998-12-18 EP EP98965289A patent/EP1040302B1/de not_active Expired - Lifetime
- 1998-12-18 WO PCT/EP1998/008358 patent/WO1999032836A1/de active IP Right Grant
- 1998-12-18 TR TR2000/01667T patent/TR200001667T2/xx unknown
- 1998-12-18 DE DE59803571T patent/DE59803571D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59803571D1 (de) | 2002-05-02 |
TR200001667T2 (tr) | 2000-10-23 |
WO1999032836A1 (de) | 1999-07-01 |
CN1282410A (zh) | 2001-01-31 |
DE19756861A1 (de) | 1999-06-24 |
ES2175846T3 (es) | 2002-11-16 |
CN1155787C (zh) | 2004-06-30 |
EP1040302A1 (de) | 2000-10-04 |
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