KR100589454B1 - 메탄 함량이 많은 스트림을 액화시키는 방법 - Google Patents
메탄 함량이 많은 스트림을 액화시키는 방법 Download PDFInfo
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- KR100589454B1 KR100589454B1 KR1020007013003A KR20007013003A KR100589454B1 KR 100589454 B1 KR100589454 B1 KR 100589454B1 KR 1020007013003 A KR1020007013003 A KR 1020007013003A KR 20007013003 A KR20007013003 A KR 20007013003A KR 100589454 B1 KR100589454 B1 KR 100589454B1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003507 refrigerant Substances 0.000 claims abstract description 97
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000003345 natural gas Substances 0.000 claims abstract description 21
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 230000008016 vaporization Effects 0.000 claims abstract description 10
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 6
- 239000003949 liquefied natural gas Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0262—Details of the cold heat exchange system
- F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
- F25J1/0265—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams comprising cores associated exclusively with the cooling of a refrigerant stream, e.g. for auto-refrigeration or economizer
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
- F25J1/0055—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream originating from an incorporated cascade
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0211—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
- F25J1/0214—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0235—Heat exchange integration
- F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
- F25J1/0238—Purification or treatment step is integrated within one refrigeration cycle only, i.e. the same or single refrigeration cycle provides feed gas cooling (if present) and overhead gas cooling
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0235—Heat exchange integration
- F25J1/0237—Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas
- F25J1/0239—Purification or treatment step being integrated between two refrigeration cycles of a refrigeration cascade, i.e. first cycle providing feed gas cooling and second cycle providing overhead gas cooling
- F25J1/0241—Purification or treatment step being integrated between two refrigeration cycles of a refrigeration cascade, i.e. first cycle providing feed gas cooling and second cycle providing overhead gas cooling wherein the overhead cooling comprises providing reflux for a fractionation step
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0244—Operation; Control and regulation; Instrumentation
- F25J1/0254—Operation; Control and regulation; Instrumentation controlling particular process parameter, e.g. pressure, temperature
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
- F25J1/0292—Refrigerant compression by cold or cryogenic suction of the refrigerant gas
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- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
- F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
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- Mechanical Engineering (AREA)
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Abstract
Description
Claims (4)
- 메탄 함량이 많은 스트림을 액화시키는 방법으로서,a) 높은 압력의 천연 가스 스트림을 세정탑으로 공급하고, 이 세정탑에서 중탄화수소를 상기 천연 가스 스트림으로부터 제거하고 상기 세정탑의 저부로부터 배출시켜 상기 세정탑의 상부로부터 배출되는 가스 상태의 오버헤드 스트림을 얻고, 이 가스 상태의 오버헤드 스트림을 부분적으로 응축시키고, 이 응축된 스트림으로부터 환류로서 세정탑의 상부로 되돌아가는 응축물 스트림을 제거하여 높은 압력에서 메탄 함량이 많은 스트림을 얻는 단계;b) 상기 메탄 함량이 많은 스트림을, 주 열교환기의 쉘측에서 낮은 냉매 압력하에 기화하는 혼합 냉매와의 간접 열교환을 통해, 상기 주 열교환기에 설치된 관에서 높은 압력하에 액화시키는 단계; 및c) 상기 주 열교환기의 쉘측으로부터 배출된 혼합 냉매를 압축시키고, 상기 냉매를, 보조 열교환기의 쉘측에서 낮은 보조 냉매 압력하에 기화하는 보조 혼합 냉매와의 간접 열교환을 통해, 보조 열교환기에 설치된 관에서 높은 냉매 압력하에부분적으로 응축시켜서 단계 b) 에서 사용되는 혼합 냉매를 얻는 단계를 포함하는 방법에 있어서,상기 가스 상태의 오버헤드 스트림의 부분적인 응축이 상기 보조 열교환기에 설치된 관에서 실행되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 혼합 냉매의 부분적인 응축이, 상기 혼합 냉매를, 제 1 보조 열교환기의 쉘측에서 중간의 보조 냉매 압력하에 기화하는 보조 혼합 냉매와의 간접 열교환을 통해, 상기 제 1 보조 열교환기에 설치된 관에서 높은 냉매 압력하에 냉각시키는 단계와, 이어서 제 2 보조 열교환기의 쉘측에서 낮은 보조 냉매 압력하에 기화하는 보조 혼합 냉매와의 간접 열교환을 통해, 상기 제 2 보조 열교환기에 설치된 관에서 높은 냉매 압력하에 냉각시키는 단계를 포함하고, 상기 가스 상태의 오버헤드 스트림의 부분적인 응축이 상기 제 1 보조 열교환기 및 제 2 보조 열교환기에 설치된 관에서 상기 가스 상태의 오버헤드 스트림을 냉각시킴으로써 실행되는 것을 특징으로 하는 방법.
- 제 2 항에 있어서, 상기 가스 상태의 오버헤드 스트림의 부분적인 응축이 상기 제 2 보조 열교환기에 설치된 관에서 실행되는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 보조 혼합 냉매의 추출 스트림과의 간접 열교환을 통해 천연 가스 스트림이 예비 냉각되는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98304072 | 1998-05-21 | ||
EP98304072.6 | 1998-05-21 |
Publications (2)
Publication Number | Publication Date |
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KR20010034874A KR20010034874A (ko) | 2001-04-25 |
KR100589454B1 true KR100589454B1 (ko) | 2006-06-13 |
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KR1020007013003A KR100589454B1 (ko) | 1998-05-21 | 1999-05-20 | 메탄 함량이 많은 스트림을 액화시키는 방법 |
Country Status (22)
Country | Link |
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US (1) | US6370910B1 (ko) |
EP (1) | EP1088192B1 (ko) |
JP (1) | JP4434490B2 (ko) |
KR (1) | KR100589454B1 (ko) |
CN (1) | CN1144999C (ko) |
AU (1) | AU743583B2 (ko) |
BR (1) | BR9910599A (ko) |
DE (1) | DE69900758T2 (ko) |
DK (1) | DK1088192T3 (ko) |
DZ (1) | DZ2795A1 (ko) |
EA (1) | EA002265B1 (ko) |
EG (1) | EG22433A (ko) |
ES (1) | ES2171087T3 (ko) |
GC (1) | GC0000016A (ko) |
ID (1) | ID27003A (ko) |
IL (1) | IL139514A (ko) |
MY (1) | MY119750A (ko) |
NO (1) | NO318874B1 (ko) |
PE (1) | PE20000397A1 (ko) |
TR (1) | TR200003425T2 (ko) |
TW (1) | TW477890B (ko) |
WO (1) | WO1999060316A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101620183B1 (ko) | 2014-08-01 | 2016-05-12 | 한국가스공사 | 천연가스 액화공정 |
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DE102005000647A1 (de) * | 2005-01-03 | 2006-07-13 | Linde Ag | Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes |
AU2006215630B2 (en) * | 2005-02-17 | 2009-04-23 | Shell Internationale Research Maatschappij B.V. | Plant and method for liquefying natural gas |
AU2006324122A1 (en) | 2005-11-04 | 2007-06-14 | Shell Internationale Research Maatschappij B.V. | Process for producing a purified gas stream |
US20070204649A1 (en) * | 2006-03-06 | 2007-09-06 | Sander Kaart | Refrigerant circuit |
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EP1088192A1 (en) | 2001-04-04 |
KR20010034874A (ko) | 2001-04-25 |
DK1088192T3 (da) | 2002-04-02 |
DE69900758D1 (de) | 2002-02-28 |
EA200001214A1 (ru) | 2001-06-25 |
AU743583B2 (en) | 2002-01-31 |
ID27003A (id) | 2001-02-22 |
US6370910B1 (en) | 2002-04-16 |
AU4367299A (en) | 1999-12-06 |
JP4434490B2 (ja) | 2010-03-17 |
NO20005862D0 (no) | 2000-11-20 |
NO20005862L (no) | 2000-11-20 |
NO318874B1 (no) | 2005-05-18 |
TR200003425T2 (tr) | 2001-04-20 |
BR9910599A (pt) | 2001-01-16 |
GC0000016A (en) | 2002-10-30 |
IL139514A0 (en) | 2001-11-25 |
MY119750A (en) | 2005-07-29 |
EP1088192B1 (en) | 2002-01-02 |
CN1302368A (zh) | 2001-07-04 |
WO1999060316A1 (en) | 1999-11-25 |
TW477890B (en) | 2002-03-01 |
EA002265B1 (ru) | 2002-02-28 |
DZ2795A1 (fr) | 2003-12-01 |
PE20000397A1 (es) | 2000-05-23 |
ES2171087T3 (es) | 2002-08-16 |
DE69900758T2 (de) | 2003-07-24 |
JP2002515584A (ja) | 2002-05-28 |
EG22433A (en) | 2003-01-29 |
CN1144999C (zh) | 2004-04-07 |
IL139514A (en) | 2003-10-31 |
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