FR3087001B1 - REFRIGERANT FLUID CIRCUIT FOR VEHICLE - Google Patents

REFRIGERANT FLUID CIRCUIT FOR VEHICLE Download PDF

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Publication number
FR3087001B1
FR3087001B1 FR1859210A FR1859210A FR3087001B1 FR 3087001 B1 FR3087001 B1 FR 3087001B1 FR 1859210 A FR1859210 A FR 1859210A FR 1859210 A FR1859210 A FR 1859210A FR 3087001 B1 FR3087001 B1 FR 3087001B1
Authority
FR
France
Prior art keywords
refrigerant fluid
fluid circuit
carbon dioxide
vehicle
determined
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
FR1859210A
Other languages
French (fr)
Other versions
FR3087001A1 (en
Inventor
Pelsemaeker Georges De
Karla Reinhold-Lopez
Ishan Gaur
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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 Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Priority to FR1859210A priority Critical patent/FR3087001B1/en
Publication of FR3087001A1 publication Critical patent/FR3087001A1/en
Application granted granted Critical
Publication of FR3087001B1 publication Critical patent/FR3087001B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B60H1/3214—Control means therefor for improving the lubrication of a refrigerant compressor in a vehicle
    • 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
    • F25B45/00—Arrangements for charging or discharging 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant 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
    • F25B2500/00—Problems to be solved
    • F25B2500/16—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
    • F25B2600/00—Control issues
    • F25B2600/05—Refrigerant levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubricants (AREA)

Abstract

L'invention concerne un circuit de fluide réfrigérant (1) pour véhicule, le circuit de fluide réfrigérant (1) comprenant au moins une conduite (2) reliant au moins un premier échangeur thermique (3), un deuxième échangeur thermique (4), un dispositif de compression (5) et un organe de détente (6), le fluide réfrigérant étant du dioxyde de carbone (9), le circuit de fluide réfrigérant (1) définissant un volume interne V (10) déterminé à température ambiante, caractérisé en ce que le circuit de fluide réfrigérant (1) loge une charge C (13) en dioxyde de carbone (9), la charge C (13) étant la somme d'une première masse de dioxyde de carbone Mv (26) déterminée par le volume interne V (10) et par une deuxième masse de dioxyde de carbone MMISC (27) déterminée par un niveau de miscibilité (28) avec un lubrifiant (7) ajouté à la charge C (13).The invention relates to a refrigerant fluid circuit (1) for a vehicle, the refrigerant fluid circuit (1) comprising at least one pipe (2) connecting at least a first heat exchanger (3), a second heat exchanger (4), a compression device (5) and an expansion member (6), the refrigerant fluid being carbon dioxide (9), the refrigerant fluid circuit (1) defining an internal volume V (10) determined at ambient temperature, characterized in that the refrigerant circuit (1) accommodates a charge C (13) of carbon dioxide (9), the charge C (13) being the sum of a first mass of carbon dioxide Mv (26) determined by the internal volume V (10) and by a second mass of carbon dioxide MMISC (27) determined by a level of miscibility (28) with a lubricant (7) added to the feed C (13).

FR1859210A 2018-10-04 2018-10-04 REFRIGERANT FLUID CIRCUIT FOR VEHICLE Expired - Fee Related FR3087001B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1859210A FR3087001B1 (en) 2018-10-04 2018-10-04 REFRIGERANT FLUID CIRCUIT FOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859210A FR3087001B1 (en) 2018-10-04 2018-10-04 REFRIGERANT FLUID CIRCUIT FOR VEHICLE

Publications (2)

Publication Number Publication Date
FR3087001A1 FR3087001A1 (en) 2020-04-10
FR3087001B1 true FR3087001B1 (en) 2020-12-11

Family

ID=65244124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1859210A Expired - Fee Related FR3087001B1 (en) 2018-10-04 2018-10-04 REFRIGERANT FLUID CIRCUIT FOR VEHICLE

Country Status (1)

Country Link
FR (1) FR3087001B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2504280A (en) * 2012-07-23 2014-01-29 Imi Cornelius Uk Ltd Discharging refrigerant from a refrigeration system by means of a capillary tube
ITTV20120169A1 (en) * 2012-08-22 2014-02-23 Enex Srl REFRIGERANT CIRCUIT
ITUA20163839A1 (en) * 2016-05-26 2017-11-26 Texa Spa MAINTENANCE EQUIPMENT OF A CARBON DIOXIDE AIR CONDITIONING SYSTEM FOR A MOTOR VEHICLE AND ITS OPERATING METHOD

Also Published As

Publication number Publication date
FR3087001A1 (en) 2020-04-10

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