GB1429872A - Refrigerating system - Google Patents

Refrigerating system

Info

Publication number
GB1429872A
GB1429872A GB2539273A GB2539273A GB1429872A GB 1429872 A GB1429872 A GB 1429872A GB 2539273 A GB2539273 A GB 2539273A GB 2539273 A GB2539273 A GB 2539273A GB 1429872 A GB1429872 A GB 1429872A
Authority
GB
United Kingdom
Prior art keywords
temperature
evaporator
pressure
compressor
superheat
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
Application number
GB2539273A
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.)
Borg Warner Corp
Original Assignee
Borg Warner Corp
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 Borg Warner Corp filed Critical Borg Warner Corp
Publication of GB1429872A publication Critical patent/GB1429872A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • 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
    • F25B41/31—Expansion valves
    • F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
    • F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via diaphragms
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2104—Temperatures of an indoor room or compartment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

1429872 Refrigerating BORG-WARNER CORP 29 May 1973 [7 July 1972] 25392/73 Heading F4H A refrigerating system comprises a compressor 10, a condenser 12, a constant pressure expansion device 14, an evaporator 16 with a fan 17 for blowing air into a space to be cooled and a superheat regulating valve 25. The valve 25 maintains a predetermined superheat of refrigerant flowing to the compressor. Means are provided for establishing a control signal which is a function of the temperature of air within the controlled space and for applying the signal to the device 14. As shown, the means comprises a thermal bulb 52 and a capillary 50. In use, for bringing down the temperature of a vehicle standing in the sun, diaphragm 40 will be pushed downwards allowing a high evaporator pressure and consequently a relatively quick drop in the car temperature. As the car reaches a normal temperature, the bulb pressure falls until a predetermined control point is reached and the evaporator pressure is at a point slightly above the temperature at which freezing may occur on the evaporator coils.
GB2539273A 1972-07-07 1973-05-29 Refrigerating system Expired GB1429872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00269637A US3803864A (en) 1972-07-07 1972-07-07 Air conditioning control system

Publications (1)

Publication Number Publication Date
GB1429872A true GB1429872A (en) 1976-03-31

Family

ID=23028068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2539273A Expired GB1429872A (en) 1972-07-07 1973-05-29 Refrigerating system

Country Status (4)

Country Link
US (1) US3803864A (en)
JP (1) JPS4951653A (en)
GB (1) GB1429872A (en)
IT (1) IT990886B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7508644A (en) * 1975-07-18 1977-01-20 Pakhoed Rotterdam Bv CLIMATE CONTROL, ESPECIALLY FOR INSTALLATION IN A CHEST.
US4236669A (en) * 1978-12-18 1980-12-02 Borg-Warner Corporation Thermostatic expansion valve with lead-lag compensation
US4742689A (en) * 1986-03-18 1988-05-10 Mydax, Inc. Constant temperature maintaining refrigeration system using proportional flow throttling valve and controlled bypass loop
US4788834A (en) * 1986-11-11 1988-12-06 Kabushiki Kaisha Toshiba Method and system for controlling magnetic field generating unit in magnetic resonance imaging apparatus
US4967830A (en) * 1988-05-02 1990-11-06 Eubank Manufacturing Enterprises, Inc. Arcuate tubular evaporator heat exchanger
CA2197572A1 (en) * 1994-08-25 1996-02-29 Richard H. Alsenz Self-adjusting superheat valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1408744A (en) * 1920-01-09 1922-03-07 Keen Harold Perot Thermostatically-operated ammonia expansion valve
US1618815A (en) * 1922-08-11 1927-02-22 Cash A W Co Refrigerating system and appliance
JPS5219433B2 (en) * 1971-08-16 1977-05-27

Also Published As

Publication number Publication date
JPS4951653A (en) 1974-05-20
IT990886B (en) 1975-07-10
US3803864A (en) 1974-04-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee