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FR2977657B1 - METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD - Google Patents

METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD Download PDF

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Publication number
FR2977657B1
FR2977657B1 FR1156120A FR1156120A FR2977657B1 FR 2977657 B1 FR2977657 B1 FR 2977657B1 FR 1156120 A FR1156120 A FR 1156120A FR 1156120 A FR1156120 A FR 1156120A FR 2977657 B1 FR2977657 B1 FR 2977657B1
Authority
FR
France
Prior art keywords
exchange system
thermal exchange
balancing
compression unit
stage compression
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 - Fee Related
Application number
FR1156120A
Other languages
French (fr)
Other versions
FR2977657A1 (en
Inventor
Francois Courtot
Bernard Horber
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR1156120A priority Critical patent/FR2977657B1/en
Priority to EP12738564.9A priority patent/EP2729744B1/en
Priority to PCT/FR2012/051564 priority patent/WO2013004974A1/en
Publication of FR2977657A1 publication Critical patent/FR2977657A1/en
Application granted granted Critical
Publication of FR2977657B1 publication Critical patent/FR2977657B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F25B31/004—Lubrication oil recirculating 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
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/16—Lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
FR1156120A 2011-07-06 2011-07-06 METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD Expired - Fee Related FR2977657B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1156120A FR2977657B1 (en) 2011-07-06 2011-07-06 METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD
EP12738564.9A EP2729744B1 (en) 2011-07-06 2012-07-04 Method for balancing lubricant levels in a multi-stage compression unit of a heat exchange system, and heat exchange system implementing such a method
PCT/FR2012/051564 WO2013004974A1 (en) 2011-07-06 2012-07-04 Method for balancing lubricant levels in a multi-stage compression unit of a heat exchange system, and heat exchange system implementing such a method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1156120A FR2977657B1 (en) 2011-07-06 2011-07-06 METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD
FR1156120 2011-07-06

Publications (2)

Publication Number Publication Date
FR2977657A1 FR2977657A1 (en) 2013-01-11
FR2977657B1 true FR2977657B1 (en) 2018-05-04

Family

ID=46579225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156120A Expired - Fee Related FR2977657B1 (en) 2011-07-06 2011-07-06 METHOD FOR BALANCING THE LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A THERMAL EXCHANGE SYSTEM AND THERMAL EXCHANGE SYSTEM USING SUCH A METHOD

Country Status (3)

Country Link
EP (1) EP2729744B1 (en)
FR (1) FR2977657B1 (en)
WO (1) WO2013004974A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080098760A1 (en) * 2006-10-30 2008-05-01 Electro Industries, Inc. Heat pump system and controls
US20060073026A1 (en) * 2004-10-06 2006-04-06 Shaw David N Oil balance system and method for compressors connected in series
KR101387478B1 (en) * 2007-03-13 2014-04-24 엘지전자 주식회사 Compression system and Air-conditioning system using the same
FR2920838B1 (en) * 2007-09-07 2009-11-27 Electricite De France DEVICE AND METHOD FOR BALANCING OIL BETWEEN COMPRESSORS
ES2600474T3 (en) * 2009-02-19 2017-02-09 Systemair Ac S.A.S Thermodynamic installation with improved lubrication

Also Published As

Publication number Publication date
WO2013004974A1 (en) 2013-01-10
EP2729744B1 (en) 2017-11-22
FR2977657A1 (en) 2013-01-11
EP2729744A1 (en) 2014-05-14

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