GB1554522A - Method of controlling a refrigerating freezing of heat-pump system - Google Patents

Method of controlling a refrigerating freezing of heat-pump system

Info

Publication number
GB1554522A
GB1554522A GB1862/77A GB186277A GB1554522A GB 1554522 A GB1554522 A GB 1554522A GB 1862/77 A GB1862/77 A GB 1862/77A GB 186277 A GB186277 A GB 186277A GB 1554522 A GB1554522 A GB 1554522A
Authority
GB
United Kingdom
Prior art keywords
controlling
heat
pump system
refrigerating
freezing
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
GB1862/77A
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.)
TEKNOTERM SYSTEMS AB
Original Assignee
TEKNOTERM SYSTEMS AB
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 TEKNOTERM SYSTEMS AB filed Critical TEKNOTERM SYSTEMS AB
Publication of GB1554522A publication Critical patent/GB1554522A/en
Expired legal-status Critical Current

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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/345—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
    • F25B41/347—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids with the valve member being opened and closed cyclically, e.g. with pulse width modulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
GB1862/77A 1976-01-19 1977-01-18 Method of controlling a refrigerating freezing of heat-pump system Expired GB1554522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7600460A SE396468B (en) 1976-01-19 1976-01-19 WAY TO REGULATE A COOL, FREEZER OR HEAT PUMP SYSTEM

Publications (1)

Publication Number Publication Date
GB1554522A true GB1554522A (en) 1979-10-24

Family

ID=20326750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1862/77A Expired GB1554522A (en) 1976-01-19 1977-01-18 Method of controlling a refrigerating freezing of heat-pump system

Country Status (5)

Country Link
DE (1) DE2702036A1 (en)
DK (1) DK18377A (en)
FR (1) FR2338466A1 (en)
GB (1) GB1554522A (en)
SE (1) SE396468B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU551118B2 (en) * 1983-12-19 1986-04-17 Carrier Corp. Control of expansion valve in a refrigeration system
DE102014100093A1 (en) * 2014-01-07 2015-07-09 Kriwan Industrie-Elektronik Gmbh Refrigeration system and method for controlling the overheating of a refrigerant of a refrigeration system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2215057A (en) * 1938-11-03 1940-09-17 Penn Electric Switch Co Refrigerant system controller
US2415338A (en) * 1945-04-20 1947-02-04 Detroit Lubricator Co Refrigeration system and expansion valve therefor
US2453439A (en) * 1946-11-20 1948-11-09 Gen Electric Refrigeration control system
GB1154588A (en) * 1965-10-07 1969-06-11 Westland Aircraft Ltd Improvements in or relating to Refrigeration Systems.
US3324674A (en) * 1966-01-03 1967-06-13 Texas Instruments Inc Refrigeration control apparatus
US3537272A (en) * 1968-08-22 1970-11-03 Hall Thermotank Intern Ltd Expansion valve control including plural sensors

Also Published As

Publication number Publication date
SE396468B (en) 1977-09-19
DE2702036A1 (en) 1977-07-28
SE7600460L (en) 1977-07-20
FR2338466A1 (en) 1977-08-12
DK18377A (en) 1977-07-20

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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