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'eauInfo
- 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
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)
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 (fr) | 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 (fr) |
BR (1) | BR7503691A (fr) |
CA (1) | CA998251A (fr) |
DD (1) | DD118167A5 (fr) |
DE (1) | DE2513455A1 (fr) |
DK (1) | DK263475A (fr) |
ES (1) | ES435692A1 (fr) |
FR (1) | FR2280032A2 (fr) |
GB (1) | GB1457732A (fr) |
IT (1) | IT1033195B (fr) |
SE (1) | SE7504113L (fr) |
Families Citing this family (1)
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)
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 |
-
1975
- 1975-02-24 CA CA220,934A patent/CA998251A/en not_active Expired
- 1975-02-25 IT IT20658/75A patent/IT1033195B/it active
- 1975-03-17 ES ES435692A patent/ES435692A1/es not_active Expired
- 1975-03-26 BE BE154799A patent/BE827216A/fr unknown
- 1975-03-26 DE DE19752513455 patent/DE2513455A1/de active Pending
- 1975-04-02 FR FR7510335A patent/FR2280032A2/fr active Granted
- 1975-04-10 SE SE7504113A patent/SE7504113L/ not_active Application Discontinuation
- 1975-05-16 GB GB2095375A patent/GB1457732A/en not_active Expired
- 1975-06-10 DD DD186556A patent/DD118167A5/xx unknown
- 1975-06-11 BR BR4740/75D patent/BR7503691A/pt unknown
- 1975-06-11 DK DK263475A patent/DK263475A/da unknown
Patent Citations (3)
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 |
---|---|
BR7503691A (pt) | 1976-06-29 |
DD118167A5 (fr) | 1976-02-12 |
IT1033195B (it) | 1979-07-10 |
DK263475A (da) | 1975-12-13 |
BE827216A (fr) | 1975-07-16 |
ES435692A1 (es) | 1976-12-01 |
DE2513455A1 (de) | 1976-01-02 |
FR2280032B2 (fr) | 1979-01-19 |
GB1457732A (en) | 1976-12-08 |
SE7504113L (sv) | 1975-12-15 |
CA998251A (en) | 1976-10-12 |
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