FR2256380B1 - - Google Patents
Info
- Publication number
- FR2256380B1 FR2256380B1 FR7346822A FR7346822A FR2256380B1 FR 2256380 B1 FR2256380 B1 FR 2256380B1 FR 7346822 A FR7346822 A FR 7346822A FR 7346822 A FR7346822 A FR 7346822A FR 2256380 B1 FR2256380 B1 FR 2256380B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- 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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7346822A FR2256380A1 (en) | 1973-12-28 | 1973-12-28 | Building heating system using heat pump - has two separate circuits working within separate temp. limits |
IT3026174A IT1049331B (en) | 1973-12-28 | 1974-12-06 | THERMODYNAMIC HEATING ACCORDING TO THE HEAT PUMP PRINCIPLE |
ES433394A ES433394A1 (en) | 1973-12-28 | 1974-12-27 | Perfections contributed to the manufacture of thermodynamic heating devices according to the principle of the heat pump. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7346822A FR2256380A1 (en) | 1973-12-28 | 1973-12-28 | Building heating system using heat pump - has two separate circuits working within separate temp. limits |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2256380A1 FR2256380A1 (en) | 1975-07-25 |
FR2256380B1 true FR2256380B1 (en) | 1977-01-07 |
Family
ID=9129888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7346822A Granted FR2256380A1 (en) | 1973-12-28 | 1973-12-28 | Building heating system using heat pump - has two separate circuits working within separate temp. limits |
Country Status (3)
Country | Link |
---|---|
ES (1) | ES433394A1 (en) |
FR (1) | FR2256380A1 (en) |
IT (1) | IT1049331B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155505A (en) * | 1977-08-15 | 1979-05-22 | Young Donavin G | Space heater utilizing source of waste heat |
US5263892A (en) * | 1991-07-03 | 1993-11-23 | Kool-Fire Research & Development | High efficiency heat exchanger system with glycol and refrigerant loops |
US5992160A (en) * | 1998-05-11 | 1999-11-30 | Carrier Corporation | Make-up air energy recovery ventilator |
-
1973
- 1973-12-28 FR FR7346822A patent/FR2256380A1/en active Granted
-
1974
- 1974-12-06 IT IT3026174A patent/IT1049331B/en active
- 1974-12-27 ES ES433394A patent/ES433394A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2256380A1 (en) | 1975-07-25 |
ES433394A1 (en) | 1977-02-16 |
IT1049331B (en) | 1981-01-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |