CA983283A - Freeze protection device in heat pump system - Google Patents

Freeze protection device in heat pump system

Info

Publication number
CA983283A
CA983283A CA185,386A CA185386A CA983283A CA 983283 A CA983283 A CA 983283A CA 185386 A CA185386 A CA 185386A CA 983283 A CA983283 A CA 983283A
Authority
CA
Canada
Prior art keywords
heat pump
protection device
pump system
freeze protection
freeze
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
CA185,386A
Other versions
CA185386S (en
Inventor
Stephen W. Trelease
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.)
American Air Filter Co Inc
Original Assignee
American Air Filter Co Inc
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 American Air Filter Co Inc filed Critical American Air Filter Co Inc
Application granted granted Critical
Publication of CA983283A publication Critical patent/CA983283A/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
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Air Conditioning Control Device (AREA)
CA185,386A 1973-03-21 1973-11-08 Freeze protection device in heat pump system Expired CA983283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34352173A 1973-03-21 1973-03-21

Publications (1)

Publication Number Publication Date
CA983283A true CA983283A (en) 1976-02-10

Family

ID=23346451

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,386A Expired CA983283A (en) 1973-03-21 1973-11-08 Freeze protection device in heat pump system

Country Status (6)

Country Link
CA (1) CA983283A (en)
DE (1) DE2402678A1 (en)
ES (1) ES420810A1 (en)
FR (1) FR2222613B1 (en)
GB (1) GB1457433A (en)
IT (1) IT999048B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7735739U1 (en) * 1977-11-19 1983-03-03 Joh. Vaillant Gmbh U. Co, 5630 Remscheid EVAPORATOR
FR2432685A1 (en) * 1978-07-31 1980-02-29 Accumulateurs Fixes METHOD FOR REGULATING THE TEMPERATURE OF A PREMISES HEATED BY A HEAT PUMP
DE3407453A1 (en) * 1984-02-29 1985-09-12 Hans-Jürgen 8391 Tittling Dietrich Heat pump with multiple utilisation
US8833384B2 (en) * 2012-08-06 2014-09-16 Schneider Electric Buildings, Llc Advanced valve actuation system with integral freeze protection
US9383142B2 (en) 2012-12-26 2016-07-05 Umm Al-Qura University Evaporation cooler and pad
CN104344597A (en) * 2013-07-26 2015-02-11 中科美菱低温科技有限责任公司 Medicine refrigerated container with dual-refrigeration control system
CN109876519B (en) * 2019-02-22 2021-11-30 高云芝 Freezing filter unit without filter aid medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481469A (en) * 1947-07-31 1949-09-06 Gen Electric Refrigerating system
US3404728A (en) * 1966-04-08 1968-10-08 Singer Co Air conditioning system
GB1307604A (en) * 1970-03-05 1973-02-21 Temperature Ltd Heat pumps units

Also Published As

Publication number Publication date
ES420810A1 (en) 1976-04-16
DE2402678A1 (en) 1974-10-03
FR2222613A1 (en) 1974-10-18
GB1457433A (en) 1976-12-01
FR2222613B1 (en) 1977-06-10
IT999048B (en) 1976-02-20

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