EP1789732A1 - Kältekreislauf und verfahren zum betreiben eines kältekreislaufes - Google Patents
Kältekreislauf und verfahren zum betreiben eines kältekreislaufesInfo
- Publication number
- EP1789732A1 EP1789732A1 EP05775838A EP05775838A EP1789732A1 EP 1789732 A1 EP1789732 A1 EP 1789732A1 EP 05775838 A EP05775838 A EP 05775838A EP 05775838 A EP05775838 A EP 05775838A EP 1789732 A1 EP1789732 A1 EP 1789732A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerant
- collecting container
- refrigeration circuit
- connectable
- circuit according
- 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
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 22
- 239000003507 refrigerant Substances 0.000 claims abstract description 69
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 abstract 2
- 238000011017 operating method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 238000007710 freezing Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B40/06—Superheaters
-
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- F25B2400/13—Economisers
-
- 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
- F25B2400/22—Refrigeration systems for supermarkets
-
- 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
- F25B2400/23—Separators
-
- 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
- F25B40/02—Subcoolers
-
- 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
- F25B40/04—Desuperheaters
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
Definitions
- the invention relates to a refrigeration cycle in which a one- or multi-component refrigerant! circulating, comprising a condenser in the flow direction, a collecting container, a, an evaporator upstream expansion device, an evaporator and a single-stage compressor unit.
- the invention relates to a method for operating a Käiteniklaufes.
- liquefier should be understood to mean both liquefier and gas cooler.
- Composite refrigerators generally supply a variety of refrigerants, such as refrigerators, refrigerators and freezers. For this purpose circulates in them a one- or multi-component refrigerant or refrigerant mixture.
- the circulating in the refrigeration cycle one- or multi-component refrigerant is in a condenser or gas cooler A - hereinafter referred to only as a condenser - which is usually outside the supermarket, for example, on the roof, arranged by heat exchange, preferably against outside air, condensed.
- the refrigerant passes through the liquid line D to the cold consumers of the so-called Normalalkühlnikiilleres.
- the consumers F and F ' shown in the figure 1 for any number of consumers of Normalalkühlnikiilleres.
- Each of the aforementioned refrigeration consumers is preceded by an expansion valve E or E ', in which the refrigerant flowing into the refrigeration appliance or the evaporator (s) of the refrigeration consumer is depressurized.
- the so-relaxed refrigerant is evaporated in the evaporators of the refrigerant consumers F and F and thus cools the corresponding refrigerated cabinets and rooms.
- Refrigerant is then fed via the suction line G of the compressor unit H and compressed in this to the desired pressure between 10 and 25 bar
- the compressor unit H is formed only one stage and has a plurality of parallel connected compressors.
- the compressed in the compressor unit H refrigerant is then fed via the pressure line I in turn to the aforementioned condenser A.
- a second liquid line D ' is the condenser C refrigerant supplied to the condenser K and evaporated in this heat exchange with the refrigerant of the still to be explained Tiefkühlniklaufes before it is fed via the line G' of the compressor unit H.
- the liquefied in the condenser K refrigerant of the freezing circuit is supplied via line L to the collector M of the freezing circuit.
- the refrigerant to the consumer P - this is for any number of consumers -, which is preceded by a relaxation device O, supplied and evaporated in this.
- the suction line Q the vaporized refrigerant is fed to the single-stage or multi-stage compressor unit R, in this pressure compressed between 25 and 40 bar and then fed via the pressure line S to the aforementioned capacitor K.
- R 404A As a refrigerant of the normal refrigeration cycle, for example, R 404A is used, while for the freezing cycle carbon dioxide is used.
- the compressor units H and R shown in Figure 1, the collector C and M and the capacitor K are usually arranged in a separate machine room. However, about 80 to 90% of the entire pipeline network is located in the sales rooms, the storage areas or other areas of a supermarket accessible to employees and customers. As long as this line network operates at pressures of no more than 35 to 40 bar, this is acceptable to the supermarket operators both from a psychological point of view and for cost reasons.
- Object of the present invention is to provide a generic refrigeration cycle and a method for operating a refrigeration cycle, which avoids the disadvantages mentioned.
- a refrigeration cycle which is characterized in that between the condenser and the collecting container, an intermediate-expansion device is arranged.
- HFC (s) HFC (s) or CO 2
- the compressed in the compressor unit 6 to a pressure between 10 and 120 bar refrigerant is supplied via the pressure line 7 to the condenser or gas cooler 1 and condensed in this against outside air or deprived.
- the refrigerant is supplied to the refrigerant collector 3, but now it is relaxed according to the invention in the intermediate expansion device a to an intermediate pressure of 5 to 40.
- This intermediate relaxation offers the advantage that the downstream line network and the collector 3 only to a lower Pressure must be designed.
- the pressure to which the refrigerant is expanded in the mentioned intermediate expansion device a is preferably chosen so that it is still below the lowest expected condensing pressure
- the pressure line 7 is connected or connectable to the line or line sections 2 or 2 ', 2 "connecting the condenser 1 and the collecting container 3.
- This connection between the collecting container 3 and the input of the compressor unit 6 can take place, for example, via a connecting line 12, which, as shown in FIG. 2, opens into the suction line 11.
- the selected intermediate pressure can now be kept constant for all operating conditions.
- a scheme such that a As a result, it is achieved that the proportion of throttle steam at the evaporators is comparatively small, with the result that the liquid and suction lines can be dimensioned correspondingly smaller. This also applies to the condensate line, since now no gaseous components have to flow through them back into the condenser 1.
- the invention is thus also achieved that the required refrigerant charge can be reduced by up to about 30%.
- refrigerant is withdrawn from the collector 3 and the refrigerant consumers or their heat exchangers E2 and E3 supplied. This is preceded by a respective expansion valve b and c, in which the refrigerant flowing into the refrigeration consumer is expanded.
- the refrigerant evaporated in the refrigeration consumers E2 and E3 is then fed back to the compressor unit 6 via the suction line 5 or sucked out of the evaporators E2 and E3 by the latter.
- a portion of the withdrawn from the collector 3 via line 4 refrigerant is fed via line 8 to one or more frozen consumers - represented by the heat exchanger E4 -, which is also preceded by an expansion valve d supplied.
- this partial refrigerant flow is fed via the suction line 9 to the compressor unit 10 and compressed therein to the inlet pressure of the compressor unit 6.
- the thus compressed refrigerant partial stream is then fed via line 11 to the input side of the compressor unit 6.
- the heat exchanger E1 is preferably connected on the input side to the output of the condenser 1 or connectable.
- a partial flow of the liquefied or desuperheated refrigerant can now be withdrawn from the condenser or gas cooler 1 or the line 2 via line 13, in which an expansion valve f is provided, and withdrawn in the heat exchanger Ei against the water enthitze ⁇ de, the heat exchanger E1 via line 2 'supplied refrigerant to be evaporated.
- the vaporized refrigerant partial stream is then fed via line 14 to a compressor 6 ', which is associated with the above-described compressor unit 6 and which preferably sucks at a higher Druck ⁇ iveau, and are compressed in this to the desired final pressure of the compressor unit 6.
- the refrigerant stream to be expanded in the intermediate expansion device a is preferably cooled to such an extent that the throttled vapor portion of the expanded refrigerant is minimized.
- the resulting in the collector 3 throttle steam fractions can be sucked off via the line 12 and the dashed line 15 by means of the compressor 6 'at a higher pressure level.
- FIG. 3 Shown in FIG. 3 is an embodiment of the invention
- Refrigeration circuit or the inventive method for operating a refrigeration cycle in which the withdrawn from the reservoir 3 via the line 4 refrigerant is subjected in the heat exchanger E5 a subcooling.
- the supercooling - according to an advantageous embodiment of the invention - in heat exchange with the withdrawn from the reservoir 3 via line 12 flash gas.
- Liquid lines such as line 4 shown in FIGS. 2 and 3, with a temperature level below the ambient temperature are exposed to heat radiation. This has the consequence that the refrigerant flowing inside the liquid line partially evaporates, thus resulting in the formation of undesirable vapor contents. To prevent this, refrigerant so far either by an expansion of a partial flow of the refrigerant and subsequent evaporation or by an internal heat transfer against a suction gas stream, which is thereby overheated, subcooled.
- the temperature interval between the suction and liquid line or the circulating refrigerant therein may be too low to realize an internal heat transfer for the required supercooling of the refrigerant flowing in the liquid line.
- the invention further developing is therefore - as already mentioned - proposed to cool the withdrawn from the sump 3 via line 4 refrigerant in the heat exchanger and subcooler E5 against the relaxed from the sump 3 via line 12 and in the valve e flash gas. After passing through the heat exchanger or subcooler E5, the expanded and overheated in the heat exchanger E5 refrigerant via the line sections 12 'and 11 to the input of
- Compressor unit 6 supplied. Due to the overheating of the withdrawn from the reservoir 3 via line 12 Flashgasstromes a sufficient subcooling of the refrigerant flowing in it is achieved in the liquid line 4; This supercooling of the refrigerant improves the regular operation of the expansion or injection valves b, c and d, which are upstream of the evaporators E2, E3 and E4.
- the procedure described thus has the additional advantage that the reliability of the compressor or compressor unit 6 is increased due to a safe overheating of the flash gas stream.
- FIGS. 4 and 5 show two further, mutually alternative embodiments of the refrigeration cycle of the invention and the inventive method for operating a refrigeration cycle.
- FIGS. 2 and 3 show sections of the refrigeration circuit according to the invention shown in FIGS. 4 and 5.
- the erfindu ⁇ gshacke further development of operating a refrigeration cycle is proposed that at least a partial flow of the flash gas withdrawn from the reservoir is at least temporarily overheated against at least a partial flow of the compressed refrigerant.
- FIG 4 shows a possible embodiment of the method according to the invention, in which at least temporarily a partial flow of the withdrawn from the reservoir 3 via line 12 flash gas via line 16 to a heat exchanger E6 and overheated in this against the compressed in the compressor unit 6 refrigerant.
- the flash gas stream to be overheated is overheated in the heat exchanger E6 against the entire refrigerant stream compressed in the compressor unit 6, which is supplied via line 7 to the condenser or desuperheater (not shown in FIG. 4).
- the flash gas stream After passing through the heat exchanger / superheater E6, the flash gas stream is supplied via line 16 'to the inlet of the compressor 6 ' of the compressor unit 6.
- the open valve g and the line 16 withdrawn flash gas stream is overheated in the heat exchanger E7 against the compressed refrigerant flow in the conduit 7.
- the flash gas stream after passing through the heat exchanger E7, may be supplied to the compressor unit 6 in the form that one or more cylinders of the multi-cylinder compressors scavenge the flash gas at a higher pressure level.
- the Ventii g valves x, y, and z can be provided
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Transmitters (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10167202.0A EP2244040B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
DK10167202T DK2244040T3 (da) | 2004-08-09 | 2005-07-29 | Kølekredsløb og fremgangsmåde til drift af et kølekredsløb |
EP10181303.8A EP2264385B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
DK10181303.8T DK2264385T3 (en) | 2004-08-09 | 2005-07-29 | Cooling circuits and method for operating a cooling circuit. |
EP07020311.2A EP1895246B3 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufs |
DK07020311.2T DK1895246T6 (da) | 2004-08-09 | 2005-07-29 | Kølekredsløb og fremgangsmåde til drift af et kølekredsløb |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004038640A DE102004038640A1 (de) | 2004-08-09 | 2004-08-09 | Kältekreislauf und Verfahen zum Betreiben eines Kältekreislaufes |
PCT/EP2005/008255 WO2006015741A1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und verfahren zum betreiben eines kältekreislaufes |
Related Child Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10167202.0A Division EP2244040B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
EP07020311.2A Division EP1895246B3 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufs |
EP10181303.8A Division EP2264385B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
EP07020311.2 Division-Into | 2007-10-17 | ||
EP10167202.0 Division-Into | 2010-06-24 | ||
EP10181303.8 Division-Into | 2010-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1789732A1 true EP1789732A1 (de) | 2007-05-30 |
EP1789732B1 EP1789732B1 (de) | 2011-03-23 |
Family
ID=34961069
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05715407.2A Active EP1782001B1 (de) | 2004-08-09 | 2005-02-18 | Flashgas-entfernung aus einem sammler in einem kältekreislauf |
EP05723393A Not-in-force EP1794510B1 (de) | 2004-08-09 | 2005-02-18 | Co2-kühlkreislauf mit unterkühlung des flüssigkältemittels gegen das sammelbehälter-flashgas und verfahren zum betrieb desselben |
EP07020311.2A Active EP1895246B3 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufs |
EP10167202.0A Active EP2244040B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
EP05775838A Active EP1789732B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und verfahren zum betreiben eines kältekreislaufes |
EP10181303.8A Active EP2264385B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05715407.2A Active EP1782001B1 (de) | 2004-08-09 | 2005-02-18 | Flashgas-entfernung aus einem sammler in einem kältekreislauf |
EP05723393A Not-in-force EP1794510B1 (de) | 2004-08-09 | 2005-02-18 | Co2-kühlkreislauf mit unterkühlung des flüssigkältemittels gegen das sammelbehälter-flashgas und verfahren zum betrieb desselben |
EP07020311.2A Active EP1895246B3 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufs |
EP10167202.0A Active EP2244040B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10181303.8A Active EP2264385B1 (de) | 2004-08-09 | 2005-07-29 | Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes |
Country Status (11)
Country | Link |
---|---|
US (2) | US7644593B2 (de) |
EP (6) | EP1782001B1 (de) |
KR (2) | KR20070050046A (de) |
CN (3) | CN100507402C (de) |
AT (1) | ATE544992T1 (de) |
AU (2) | AU2005278162A1 (de) |
DK (4) | DK1794510T3 (de) |
HK (2) | HK1101199A1 (de) |
NO (1) | NO343330B1 (de) |
RU (1) | RU2362096C2 (de) |
WO (1) | WO2006022829A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012176072A2 (en) | 2011-06-16 | 2012-12-27 | Advansor A/S | Refrigeration system |
US10663201B2 (en) | 2018-10-23 | 2020-05-26 | Hill Phoenix, Inc. | CO2 refrigeration system with supercritical subcooling control |
US11029068B2 (en) | 2013-05-03 | 2021-06-08 | Hill Phoenix, Inc. | Systems and methods for pressure control in a CO2 refrigeration system |
US11125483B2 (en) | 2016-06-21 | 2021-09-21 | Hill Phoenix, Inc. | Refrigeration system with condenser temperature differential setpoint control |
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- 2005-02-18 AT AT05723393T patent/ATE544992T1/de active
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- 2005-02-18 WO PCT/US2005/005413 patent/WO2006022829A1/en active Application Filing
- 2005-07-29 CN CN2009102463806A patent/CN101713596B/zh active Active
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WO2012176072A2 (en) | 2011-06-16 | 2012-12-27 | Advansor A/S | Refrigeration system |
US11029068B2 (en) | 2013-05-03 | 2021-06-08 | Hill Phoenix, Inc. | Systems and methods for pressure control in a CO2 refrigeration system |
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US10663201B2 (en) | 2018-10-23 | 2020-05-26 | Hill Phoenix, Inc. | CO2 refrigeration system with supercritical subcooling control |
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