FR2280032A2 - Dispositif de protection contre le gel d'une installation de climatisation a circulation d'eau - Google Patents

Dispositif de protection contre le gel d'une installation de climatisation a circulation d'eau

Info

Publication number
FR2280032A2
FR2280032A2 FR7510335A FR7510335A FR2280032A2 FR 2280032 A2 FR2280032 A2 FR 2280032A2 FR 7510335 A FR7510335 A FR 7510335A FR 7510335 A FR7510335 A FR 7510335A FR 2280032 A2 FR2280032 A2 FR 2280032A2
Authority
FR
France
Prior art keywords
air conditioning
protection device
conditioning system
water circulating
circulating air
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.)
Granted
Application number
FR7510335A
Other languages
English (en)
French (fr)
Other versions
FR2280032B2 (
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
Priority claimed from US05/478,530 external-priority patent/US4171621A/en
Application filed by American Air Filter Co Inc filed Critical American Air Filter Co Inc
Publication of FR2280032A2 publication Critical patent/FR2280032A2/fr
Application granted granted Critical
Publication of FR2280032B2 publication Critical patent/FR2280032B2/fr
Granted 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
    • F24F3/001—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 in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
FR7510335A 1974-06-12 1975-04-02 Dispositif de protection contre le gel d'une installation de climatisation a circulation d'eau Granted FR2280032A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/478,530 US4171621A (en) 1973-03-21 1974-06-12 Freeze protection device in heat pump system

Publications (2)

Publication Number Publication Date
FR2280032A2 true FR2280032A2 (fr) 1976-02-20
FR2280032B2 FR2280032B2 ( ) 1979-01-19

Family

ID=23900313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7510335A Granted FR2280032A2 (fr) 1974-06-12 1975-04-02 Dispositif de protection contre le gel d'une installation de climatisation a circulation d'eau

Country Status (11)

Country Link
BE (1) BE827216A ( )
BR (1) BR7503691A ( )
CA (1) CA998251A ( )
DD (1) DD118167A5 ( )
DE (1) DE2513455A1 ( )
DK (1) DK263475A ( )
ES (1) ES435692A1 ( )
FR (1) FR2280032A2 ( )
GB (1) GB1457732A ( )
IT (1) IT1033195B ( )
SE (1) SE7504113L ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1214855B (it) * 1984-03-13 1990-01-18 Raif Spa Circuito refrigerante per il trattamento di liquidi, utilizzante un evaporatore-scambiatore a elementi concentrici entro i quali i rispettivi fluidi si muovono in senso contrario uno all'altro, nel modo detto controcorrente.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136813A (en) * 1935-09-12 1938-11-15 Dewey H Dolison Liquid cooler control
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136813A (en) * 1935-09-12 1938-11-15 Dewey H Dolison Liquid cooler control
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
GB1457732A (en) 1976-12-08
CA998251A (en) 1976-10-12
DK263475A (da) 1975-12-13
BR7503691A (pt) 1976-06-29
IT1033195B (it) 1979-07-10
ES435692A1 (es) 1976-12-01
DD118167A5 ( ) 1976-02-12
BE827216A (fr) 1975-07-16
SE7504113L (sv) 1975-12-15
FR2280032B2 ( ) 1979-01-19
DE2513455A1 (de) 1976-01-02

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