IT961579B - Impianto di refrigerazione con valvola di controllo a doppia soglia - Google Patents

Impianto di refrigerazione con valvola di controllo a doppia soglia

Info

Publication number
IT961579B
IT961579B IT68225/72A IT6822572A IT961579B IT 961579 B IT961579 B IT 961579B IT 68225/72 A IT68225/72 A IT 68225/72A IT 6822572 A IT6822572 A IT 6822572A IT 961579 B IT961579 B IT 961579B
Authority
IT
Italy
Prior art keywords
control valve
refrigeration system
threshold control
double threshold
double
Prior art date
Application number
IT68225/72A
Other languages
English (en)
Inventor
M Peruglia
Original Assignee
Fiat Spa
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 Fiat Spa filed Critical Fiat Spa
Priority to IT68225/72A priority Critical patent/IT961579B/it
Priority to US00340630A priority patent/US3818717A/en
Priority to DE2319539A priority patent/DE2319539A1/de
Priority to JP48043999A priority patent/JPS4916945A/ja
Application granted granted Critical
Publication of IT961579B publication Critical patent/IT961579B/it

Links

Classifications

    • 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
    • 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
    • B60H1/3208—Vehicle drive related control of the compressor drive means, e.g. for fuel saving purposes
    • 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
    • B60H1/3211—Control means therefor for increasing the efficiency of a vehicle refrigeration 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
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3239—Cooling devices information from a variable is obtained related to flow
    • B60H2001/3242—Cooling devices information from a variable is obtained related to flow of a refrigerant
    • 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
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3248—Cooling devices information from a variable is obtained related to pressure
    • B60H2001/3254—Cooling devices information from a variable is obtained related to pressure of the refrigerant at an expansion unit
    • 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
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/328—Cooling devices output of a control signal related to an evaporating unit
    • B60H2001/3283—Cooling devices output of a control signal related to an evaporating unit to control the refrigerant flow
    • 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
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/3285—Cooling devices output of a control signal related to an expansion unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
IT68225/72A 1972-04-19 1972-04-19 Impianto di refrigerazione con valvola di controllo a doppia soglia IT961579B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT68225/72A IT961579B (it) 1972-04-19 1972-04-19 Impianto di refrigerazione con valvola di controllo a doppia soglia
US00340630A US3818717A (en) 1972-04-19 1973-03-12 Refrigeration plant suitable for air conditioning systems
DE2319539A DE2319539A1 (de) 1972-04-19 1973-04-17 Kuehleinrichtung fuer klimaanlagen
JP48043999A JPS4916945A (it) 1972-04-19 1973-04-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68225/72A IT961579B (it) 1972-04-19 1972-04-19 Impianto di refrigerazione con valvola di controllo a doppia soglia

Publications (1)

Publication Number Publication Date
IT961579B true IT961579B (it) 1973-12-10

Family

ID=11308566

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68225/72A IT961579B (it) 1972-04-19 1972-04-19 Impianto di refrigerazione con valvola di controllo a doppia soglia

Country Status (4)

Country Link
US (1) US3818717A (it)
JP (1) JPS4916945A (it)
DE (1) DE2319539A1 (it)
IT (1) IT961579B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5885062A (ja) * 1981-11-16 1983-05-21 株式会社デンソー 自動車用空調装置
US4643002A (en) * 1985-09-26 1987-02-17 Carrier Corporation Continuous metered flow multizone air conditioning system
JPS63302257A (ja) * 1987-05-29 1988-12-09 株式会社デンソー 冷凍サイクル
AT397998B (de) * 1992-07-09 1994-08-25 Friedmann Kg Alex Kältemaschine
FR2859663B1 (fr) * 2003-09-12 2007-05-25 Hispacold France Dispositif de climatisation pilote et procede de pilotage d'une telle climatisation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766593A (en) * 1955-06-03 1956-10-16 Mitchell Co John E Automatic refrigeration system
US3688517A (en) * 1970-12-21 1972-09-05 Borg Warner Air conditioning control system

Also Published As

Publication number Publication date
JPS4916945A (it) 1974-02-14
US3818717A (en) 1974-06-25
DE2319539A1 (de) 1973-10-31

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