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ITUB20153199A1 - DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES - Google Patents

DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES

Info

Publication number
ITUB20153199A1
ITUB20153199A1 ITUB2015A003199A ITUB20153199A ITUB20153199A1 IT UB20153199 A1 ITUB20153199 A1 IT UB20153199A1 IT UB2015A003199 A ITUB2015A003199 A IT UB2015A003199A IT UB20153199 A ITUB20153199 A IT UB20153199A IT UB20153199 A1 ITUB20153199 A1 IT UB20153199A1
Authority
IT
Italy
Prior art keywords
heat pump
defrosting system
refrigerated heat
pump machines
machines
Prior art date
Application number
ITUB2015A003199A
Other languages
Italian (it)
Inventor
Raffaello Graziotto
Original Assignee
Hidros S P A
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 Hidros S P A filed Critical Hidros S P A
Priority to ITUB2015A003199A priority Critical patent/ITUB20153199A1/en
Priority to EP16183976.6A priority patent/EP3139112A1/en
Publication of ITUB20153199A1 publication Critical patent/ITUB20153199A1/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
    • F25B13/00—Compression machines, plants or systems, with reversible 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
    • 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
    • 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
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube

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)
ITUB2015A003199A 2015-08-24 2015-08-24 DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES ITUB20153199A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITUB2015A003199A ITUB20153199A1 (en) 2015-08-24 2015-08-24 DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES
EP16183976.6A EP3139112A1 (en) 2015-08-24 2016-08-12 De-icing system for heat pump refrigeration machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A003199A ITUB20153199A1 (en) 2015-08-24 2015-08-24 DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES

Publications (1)

Publication Number Publication Date
ITUB20153199A1 true ITUB20153199A1 (en) 2017-02-24

Family

ID=55069944

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2015A003199A ITUB20153199A1 (en) 2015-08-24 2015-08-24 DEFROSTING SYSTEM FOR REFRIGERATED HEAT PUMP MACHINES

Country Status (2)

Country Link
EP (1) EP3139112A1 (en)
IT (1) ITUB20153199A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486915B (en) * 2019-09-06 2021-02-26 珠海格力电器股份有限公司 Refrigerant circulating system, control method thereof and air conditioning unit
CN217876524U (en) * 2022-03-02 2022-11-22 广州瑞姆节能设备有限公司 Air source heat pump unit with deicing structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449641A2 (en) * 1990-03-30 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Air conditioning system
EP1118823A1 (en) * 1998-09-30 2001-07-25 Daikin Industries, Ltd. Two-refrigerant refrigerating device
US20040000399A1 (en) * 2002-06-26 2004-01-01 Patrick Gavula Air-to-air heat pump defrost bypass loop

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449641A2 (en) * 1990-03-30 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Air conditioning system
EP1118823A1 (en) * 1998-09-30 2001-07-25 Daikin Industries, Ltd. Two-refrigerant refrigerating device
US20040000399A1 (en) * 2002-06-26 2004-01-01 Patrick Gavula Air-to-air heat pump defrost bypass loop

Also Published As

Publication number Publication date
EP3139112A1 (en) 2017-03-08

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