BE827216A - FROST PROTECTION DEVICE FOR A WATER CIRCULATING AIR CONDITIONING SYSTEM - Google Patents

FROST PROTECTION DEVICE FOR A WATER CIRCULATING AIR CONDITIONING SYSTEM

Info

Publication number: BE827216A
Authority: BE; Belgium
Prior art keywords: air conditioning; protection device; conditioning system; water circulating; circulating air
Prior art date: 1974-06-12

Application number

BE154799A

Other languages

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.)

1974-06-12

Filing date

1975-03-26

Publication date

1975-07-16

1974-06-12 Priority claimed from US05/478,530 external-priority patent/US4171621A/en

1975-03-26 Application filed filed Critical

1975-07-16 Publication of BE827216A publication Critical patent/BE827216A/en

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)

BE154799A 1974-06-12 1975-03-26 FROST PROTECTION DEVICE FOR A WATER CIRCULATING AIR CONDITIONING SYSTEM BE827216A (en)

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 (1)

Publication Number	Publication Date
BE827216A true BE827216A (en)	1975-07-16

Family

ID=23900313

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE154799A BE827216A (en)	1974-06-12	1975-03-26	FROST PROTECTION DEVICE FOR A WATER CIRCULATING AIR CONDITIONING SYSTEM

Country Status (11)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1214855B (en) *	1984-03-13	1990-01-18	Raif Spa	REFRIGERANT CIRCUIT FOR THE TREATMENT OF LIQUIDS, USING A CONCENTRIC ELEMENT EVAPORATOR-EXCHANGER WITHIN WHICH THE FLUID RESPECTIVES MOVE IN THE OPPOSITE SENSE TO THE OTHER, IN THE ABOVE-CURRENT WAY.

Family Cites Families (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

1975
- 1975-02-24 CA CA220,934A patent/CA998251A/en not_active Expired
- 1975-02-25 IT IT20658/75A patent/IT1033195B/en active
- 1975-03-17 ES ES435692A patent/ES435692A1/en not_active Expired
- 1975-03-26 BE BE154799A patent/BE827216A/en unknown
- 1975-03-26 DE DE19752513455 patent/DE2513455A1/en active Pending
- 1975-04-02 FR FR7510335A patent/FR2280032A2/en active Granted
- 1975-04-10 SE SE7504113A patent/SE7504113L/en 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/en unknown
- 1975-06-11 DK DK263475A patent/DK263475A/en unknown

Also Published As

Publication number	Publication date
FR2280032A2 (en)	1976-02-20
FR2280032B2 (en)	1979-01-19
DK263475A (en)	1975-12-13
CA998251A (en)	1976-10-12
DE2513455A1 (en)	1976-01-02
IT1033195B (en)	1979-07-10
GB1457732A (en)	1976-12-08
DD118167A5 (en)	1976-02-12
ES435692A1 (en)	1976-12-01
SE7504113L (en)	1975-12-15
BR7503691A (en)	1976-06-29

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