EP1139038A1 - Installation frigorifique - Google Patents

Installation frigorifique Download PDF

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Publication number
EP1139038A1
EP1139038A1 EP01107908A EP01107908A EP1139038A1 EP 1139038 A1 EP1139038 A1 EP 1139038A1 EP 01107908 A EP01107908 A EP 01107908A EP 01107908 A EP01107908 A EP 01107908A EP 1139038 A1 EP1139038 A1 EP 1139038A1
Authority
EP
European Patent Office
Prior art keywords
suction
compressors
suction manifold
lines
refrigeration system
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
Application number
EP01107908A
Other languages
German (de)
English (en)
Other versions
EP1139038B1 (fr
Inventor
Klaus Koch
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.)
Carrier Kaeltetechnik Deutschland GmbH
Original Assignee
Linde 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7636829&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1139038(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP1139038A1 publication Critical patent/EP1139038A1/fr
Application granted granted Critical
Publication of EP1139038B1 publication Critical patent/EP1139038B1/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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • 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
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • 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

Definitions

  • the invention relates to a refrigeration system with at least two connected in parallel Compressors, each via a suction line from at least one of the compressors upstream suction manifold suck the medium to be compressed.
  • From DE-OS 198 23 525 is a composite (cold) system with at least two compressors known in which an oil compensation line between the compressor housings is arranged that the lower edge of the provided on the compressor housings Connections of the oil compensation line above the minimum oil level of the Compressor lies.
  • the disadvantage here is that at different pressures in the compressors due to the resulting flows between the Compressed gas and oil exchange takes place. This has the consequence that in Depends on the operating time or the downtimes of the compressors can form different oil levels in the compressors.
  • the object of the present invention is to provide a refrigeration system in which the disadvantages mentioned can be avoided.
  • a refrigeration system which is thereby is distinguished by the fact that the compressor housing has at least one U-shaped tube Oil compensation line with each other and via at least one additional line with the Suction manifold are connected.
  • the compressor housings and the suction manifold are advantageously connecting lines at the lowest point of the suction manifold.
  • the refrigeration system according to the invention is further developed that the Inlet openings of those leading from the suction manifold to the compressors Suction lines are arranged in the upper area of the suction manifold.
  • This design of the refrigeration system according to the invention achieves an intake of oil through the suction lines into the compressor can be largely avoided.
  • Another advantageous embodiment of the refrigeration system according to the invention is distinguished is characterized in that in the lines between the compressor housing and the Suction manifold a filter device is arranged.
  • the figure shows three compressors V1 to V3 and a suction manifold S. Das zu compressing medium is divided over line 1, which is divided into two lines 2 and 2 ' is fed to the suction manifold S. From the suction manifold S that becomes compressing medium via the suction lines 3, 3 'and 3 "the compressors V1 to V3 fed. Oil entrained via lines 1, 2 and 2 'collects at the bottom of the Suction manifold S on. The compressed medium becomes the compressors V1 to V3 via the pressure lines 4, 4 'and 4 "into a pressure manifold 5 and via this for example one or more cooling points, not shown in the figure fed.
  • the compressors V1 to V3, which are arranged on one level, or their housing are now according to the invention via a U-tube-shaped compensating line 7, the via lines 8, 8 'and 8 "with the compressor housings V1 to V3 in Operational connection is established, interconnected. Between the compressor housings and the suction manifold S connecting lines 6, 6 'and 6 "are also provided.
  • This connecting lines 6, 6 'and 6 "and the suction manifold S takes place according to the invention the pressure equalization between the compressor housings V1 to V3. Furthermore, these connecting lines 6, 6 'and 6 "each have a filter device F1 to F3, which serve to remove dirt particles.
  • the refrigeration system according to the invention enables the implementation of a reliable one Oil supply to all compressors, since the oil compensation always involves pressure compensation connected is. Regardless of the current operating states of the compressors and the refrigeration system (full or partial load operation), can therefore be reliable at any time Oil supply to all compressors can be guaranteed.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP01107908A 2000-03-29 2001-03-28 Installation frigorifique Expired - Lifetime EP1139038B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10015603 2000-03-29
DE10015603A DE10015603A1 (de) 2000-03-29 2000-03-29 Kälteanlage

Publications (2)

Publication Number Publication Date
EP1139038A1 true EP1139038A1 (fr) 2001-10-04
EP1139038B1 EP1139038B1 (fr) 2006-07-12

Family

ID=7636829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01107908A Expired - Lifetime EP1139038B1 (fr) 2000-03-29 2001-03-28 Installation frigorifique

Country Status (4)

Country Link
EP (1) EP1139038B1 (fr)
AT (1) ATE333077T1 (fr)
DE (2) DE10015603A1 (fr)
ES (1) ES2269246T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1418389A1 (fr) * 2002-11-08 2004-05-12 Linde Kältetechnik GmbH & Co.KG Système frigorifique
EP1510693A2 (fr) * 2003-08-29 2005-03-02 Samsung Electronics Co., Ltd. Système d'équilibrage du niveau d'huile pour plusieurs compresseurs
WO2005103492A1 (fr) * 2004-04-20 2005-11-03 Danfoss Commercial Compressors Dispositif de distribution de gaz
WO2009012795A1 (fr) * 2007-07-24 2009-01-29 Carrier Corrporation Collecteur pour système de réfrigération à plusieurs compresseurs
US20150184906A1 (en) * 2012-08-09 2015-07-02 Thermo King Corporation Methods and devices to prevent fluid migration in a refrigeration system during an off cycle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567147B (zh) * 2013-10-23 2017-02-15 珠海格力电器股份有限公司 气液分离装置和制冷机组

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140415A (en) * 1937-05-03 1938-12-13 Frick Co Refrigeration system
US3581519A (en) * 1969-07-18 1971-06-01 Emhart Corp Oil equalization system
US3633377A (en) * 1969-04-11 1972-01-11 Lester K Quick Refrigeration system oil separator
EP0094590A2 (fr) * 1982-05-19 1983-11-23 Linde Aktiengesellschaft Installation dans laquelle un réfrigérant est circulé
US5327997A (en) * 1993-01-22 1994-07-12 Temprite, Inc. Lubrication management system
JPH07247961A (ja) * 1994-03-10 1995-09-26 Mitsubishi Heavy Ind Ltd 冷凍空調装置
EP0838640A2 (fr) * 1996-10-28 1998-04-29 Matsushita Refrigeration Company Système d'équilibrage du niveau d'huile pour plusieurs compresseurs
US5911289A (en) * 1994-06-17 1999-06-15 Waller; Clive Gregory Oil level control apparatus
DE19823525A1 (de) 1998-05-26 1999-12-02 Linde Ag Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383802A (en) * 1981-07-06 1983-05-17 Dunham-Bush, Inc. Oil equalization system for parallel connected compressors
JPS61143659A (ja) * 1984-12-18 1986-07-01 三菱電機株式会社 冷凍サイクル装置
US4750337A (en) * 1987-10-13 1988-06-14 American Standard Inc. Oil management in a parallel compressor arrangement
IT1238597B (it) * 1990-01-24 1993-08-18 Arneg Centrale frigorifera
DE19823524A1 (de) * 1998-05-26 1999-12-02 Linde Ag Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140415A (en) * 1937-05-03 1938-12-13 Frick Co Refrigeration system
US3633377A (en) * 1969-04-11 1972-01-11 Lester K Quick Refrigeration system oil separator
US3581519A (en) * 1969-07-18 1971-06-01 Emhart Corp Oil equalization system
EP0094590A2 (fr) * 1982-05-19 1983-11-23 Linde Aktiengesellschaft Installation dans laquelle un réfrigérant est circulé
US5327997A (en) * 1993-01-22 1994-07-12 Temprite, Inc. Lubrication management system
JPH07247961A (ja) * 1994-03-10 1995-09-26 Mitsubishi Heavy Ind Ltd 冷凍空調装置
US5911289A (en) * 1994-06-17 1999-06-15 Waller; Clive Gregory Oil level control apparatus
EP0838640A2 (fr) * 1996-10-28 1998-04-29 Matsushita Refrigeration Company Système d'équilibrage du niveau d'huile pour plusieurs compresseurs
DE19823525A1 (de) 1998-05-26 1999-12-02 Linde Ag Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 01 31 January 1996 (1996-01-31) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1418389A1 (fr) * 2002-11-08 2004-05-12 Linde Kältetechnik GmbH & Co.KG Système frigorifique
EP1510693A2 (fr) * 2003-08-29 2005-03-02 Samsung Electronics Co., Ltd. Système d'équilibrage du niveau d'huile pour plusieurs compresseurs
EP1510693A3 (fr) * 2003-08-29 2009-09-23 Samsung Electronics Co., Ltd. Système d'équilibrage du niveau d'huile pour plusieurs compresseurs
WO2005103492A1 (fr) * 2004-04-20 2005-11-03 Danfoss Commercial Compressors Dispositif de distribution de gaz
WO2009012795A1 (fr) * 2007-07-24 2009-01-29 Carrier Corrporation Collecteur pour système de réfrigération à plusieurs compresseurs
US20150184906A1 (en) * 2012-08-09 2015-07-02 Thermo King Corporation Methods and devices to prevent fluid migration in a refrigeration system during an off cycle

Also Published As

Publication number Publication date
EP1139038B1 (fr) 2006-07-12
DE10015603A1 (de) 2001-10-04
ATE333077T1 (de) 2006-08-15
ES2269246T3 (es) 2007-04-01
DE50110427D1 (de) 2006-08-24

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