PL2754980T3 - Refrigerating circuit - Google Patents

Refrigerating circuit

Info

Publication number
PL2754980T3
PL2754980T3 PL13425114T PL13425114T PL2754980T3 PL 2754980 T3 PL2754980 T3 PL 2754980T3 PL 13425114 T PL13425114 T PL 13425114T PL 13425114 T PL13425114 T PL 13425114T PL 2754980 T3 PL2754980 T3 PL 2754980T3
Authority
PL
Poland
Prior art keywords
refrigerating circuit
refrigerating
circuit
Prior art date
Application number
PL13425114T
Other languages
Polish (pl)
Inventor
Girotto Sergio
Original Assignee
Enex S R L
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 Enex S R L filed Critical Enex S R L
Publication of PL2754980T3 publication Critical patent/PL2754980T3/en

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
    • F25B40/00—Subcoolers, desuperheaters or 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
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0016—Ejectors for creating an oil recirculation
    • 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—Component parts or details not otherwise provided for in this subclass
    • 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—Component parts or details not otherwise provided for in this subclass
    • 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—Component parts or details not otherwise provided for in this subclass
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubricants (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
PL13425114T 2012-08-22 2013-08-09 Refrigerating circuit PL2754980T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000169A ITTV20120169A1 (en) 2012-08-22 2012-08-22 REFRIGERANT CIRCUIT
EP13425114.9A EP2754980B1 (en) 2012-08-22 2013-08-09 Refrigerating circuit

Publications (1)

Publication Number Publication Date
PL2754980T3 true PL2754980T3 (en) 2016-08-31

Family

ID=46939884

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13425114T PL2754980T3 (en) 2012-08-22 2013-08-09 Refrigerating circuit

Country Status (4)

Country Link
EP (1) EP2754980B1 (en)
ES (1) ES2574432T3 (en)
IT (1) ITTV20120169A1 (en)
PL (1) PL2754980T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042953B (en) * 2015-05-25 2017-11-07 珠海格力电器股份有限公司 Air supplementing and enthalpy increasing method of economizer and air conditioning system
CN105157270A (en) * 2015-09-24 2015-12-16 无锡同方人工环境有限公司 Low-environment-temperature air source heat pump system with undercooling loop
US11435116B2 (en) 2017-09-25 2022-09-06 Johnson Controls Tyco IP Holdings LLP Two step oil motive eductor system
CN107795973A (en) * 2017-11-29 2018-03-13 中国科学院理化技术研究所 A steam generating device
US11421681B2 (en) * 2018-04-19 2022-08-23 Emerson Climate Technologies, Inc. Multiple-compressor system with suction valve and method of controlling suction valve
FR3087001B1 (en) * 2018-10-04 2020-12-11 Valeo Systemes Thermiques REFRIGERANT FLUID CIRCUIT FOR VEHICLE
US11085681B2 (en) 2019-02-07 2021-08-10 Heatcraft Refrigeration Products Llc Cooling system
CN112611121B (en) * 2020-12-23 2023-09-05 青岛海信日立空调系统有限公司 Control method of a refrigeration system and a two-stage throttling valve
US12422173B2 (en) 2022-08-19 2025-09-23 Copeland Lp Multiple-compressor system with oil balance control
CN117232160A (en) * 2023-08-30 2023-12-15 青岛海尔空调器有限总公司 Refrigeration system and control method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD123967A1 (en) * 1976-04-14 1977-01-26
DE19747985A1 (en) * 1997-10-30 1999-05-27 Univ Dresden Tech Cooling method for cooling by a modified Joule-Thomson effect using an oil lubricated compressor
DE602007001038D1 (en) * 2006-01-31 2009-06-18 Sanyo Electric Co air conditioning
JP5084950B2 (en) * 2009-03-31 2012-11-28 三菱電機株式会社 Refrigeration equipment
US9200820B2 (en) * 2009-10-20 2015-12-01 Mitsubishi Electric Corporation Heat pump apparatus with ejector cycle

Also Published As

Publication number Publication date
EP2754980B1 (en) 2016-03-09
ES2574432T3 (en) 2016-06-17
EP2754980A1 (en) 2014-07-16
ITTV20120169A1 (en) 2014-02-23

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