FI750123A - - Google Patents
Info
- Publication number
- FI750123A FI750123A FI750123A FI750123A FI750123A FI 750123 A FI750123 A FI 750123A FI 750123 A FI750123 A FI 750123A FI 750123 A FI750123 A FI 750123A FI 750123 A FI750123 A FI 750123A
- Authority
- FI
- Finland
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
- 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
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Central Air Conditioning (AREA)
- Air Conditioning Control Device (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Central Heating Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7400767 | 1974-01-21 | ||
SE7400767A SE390209C (sv) | 1974-01-21 | 1974-01-21 | Anordning vid luftbehandling av en eller flera lokaler |
Publications (3)
Publication Number | Publication Date |
---|---|
FI750123A true FI750123A (sv) | 1975-07-22 |
FI57657B FI57657B (fi) | 1980-05-30 |
FI57657C FI57657C (fi) | 1980-09-10 |
Family
ID=20319968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI750123A FI57657C (fi) | 1974-01-21 | 1975-01-20 | Anordning vid luftbehandling av en eller flera lokaler |
Country Status (13)
Country | Link |
---|---|
US (1) | US3995809A (sv) |
JP (1) | JPS589344B2 (sv) |
BE (1) | BE824568A (sv) |
CH (1) | CH594178A5 (sv) |
DE (1) | DE2502072C3 (sv) |
DK (1) | DK15175A (sv) |
FI (1) | FI57657C (sv) |
FR (1) | FR2258604B1 (sv) |
GB (1) | GB1500212A (sv) |
IT (1) | IT1028430B (sv) |
NL (1) | NL7500642A (sv) |
NO (1) | NO142491C (sv) |
SE (1) | SE390209C (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055965A (en) * | 1976-09-08 | 1977-11-01 | Society Messier | Heat pump installation |
DE2748415C2 (de) * | 1977-10-28 | 1986-10-09 | Naamloze Vennootschap Nederlandse Gasunie, Groningen | Heizverfahren und bimodales Heizsystem zum Heizen von Gebäuden |
US4254822A (en) * | 1978-11-27 | 1981-03-10 | Illinois Power Company | Building heating system, particularly utilizing solar and waste heat recovery |
US4332137A (en) * | 1979-10-22 | 1982-06-01 | Carrier Corporation | Heat exchange apparatus and method having two refrigeration circuits |
JPS6058042A (ja) * | 1983-09-12 | 1985-04-04 | Takeo Nishimura | 家畜飼料の製造方法及びその装置 |
US5992160A (en) * | 1998-05-11 | 1999-11-30 | Carrier Corporation | Make-up air energy recovery ventilator |
FR2825143B1 (fr) * | 2001-05-28 | 2003-09-19 | Energie Transfert Thermique | Systeme monobloc et installation de production alternative ou simultanee d'eau chaude ou d'eau glacee par transfert thermique |
WO2007073379A1 (en) * | 2005-12-21 | 2007-06-28 | Carrier Corporation | Variable capacity multiple circuit air conditioning system |
US20220397312A1 (en) * | 2021-06-09 | 2022-12-15 | LGL France S.A.S. | Counter-current flow in both ac and hp modes for part load optimization |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2241060A (en) * | 1939-08-24 | 1941-05-06 | Gen Electric | Heat pump system |
US2221688A (en) * | 1939-11-18 | 1940-11-12 | Gen Electric | Air conditioning apparatus |
US2769314A (en) * | 1955-04-01 | 1956-11-06 | Gen Motors Corp | Window mounted refrigerating apparatus |
US2935857A (en) * | 1957-02-19 | 1960-05-10 | Alden I Mcfarlan | Air conditioning |
US3103793A (en) * | 1962-11-20 | 1963-09-17 | Westinghouse Electric Corp | Defrost controls for heat pumps |
US3392541A (en) * | 1967-02-06 | 1968-07-16 | Larkin Coils Inc | Plural compressor reverse cycle refrigeration or heat pump system |
JPS4868248U (sv) * | 1971-11-29 | 1973-08-30 |
-
1974
- 1974-01-21 SE SE7400767A patent/SE390209C/sv unknown
-
1975
- 1975-01-17 IT IT19356/75A patent/IT1028430B/it active
- 1975-01-20 CH CH63075A patent/CH594178A5/xx not_active IP Right Cessation
- 1975-01-20 DE DE2502072A patent/DE2502072C3/de not_active Expired
- 1975-01-20 DK DK15175*#A patent/DK15175A/da not_active Application Discontinuation
- 1975-01-20 NL NL7500642A patent/NL7500642A/xx not_active Application Discontinuation
- 1975-01-20 FR FR7501646A patent/FR2258604B1/fr not_active Expired
- 1975-01-20 GB GB2435/75A patent/GB1500212A/en not_active Expired
- 1975-01-20 NO NO750151A patent/NO142491C/no unknown
- 1975-01-20 FI FI750123A patent/FI57657C/fi not_active IP Right Cessation
- 1975-01-20 BE BE152527A patent/BE824568A/xx unknown
- 1975-01-21 JP JP50009202A patent/JPS589344B2/ja not_active Expired
- 1975-01-21 US US05/542,828 patent/US3995809A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2502072A1 (de) | 1975-07-31 |
FI57657B (fi) | 1980-05-30 |
JPS589344B2 (ja) | 1983-02-21 |
NO750151L (sv) | 1975-08-18 |
FR2258604B1 (sv) | 1979-08-17 |
SE390209B (sv) | 1976-12-06 |
DE2502072B2 (de) | 1978-07-27 |
IT1028430B (it) | 1979-01-30 |
BE824568A (fr) | 1975-05-15 |
CH594178A5 (sv) | 1977-12-30 |
GB1500212A (en) | 1978-02-08 |
FI57657C (fi) | 1980-09-10 |
NO142491B (no) | 1980-05-19 |
JPS50107547A (sv) | 1975-08-25 |
SE390209C (sv) | 1979-01-15 |
US3995809A (en) | 1976-12-07 |
FR2258604A1 (sv) | 1975-08-18 |
DE2502072C3 (de) | 1979-03-29 |
NO142491C (no) | 1980-08-27 |
NL7500642A (nl) | 1975-07-23 |
DK15175A (sv) | 1975-10-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: AB SVENSKA FLAEKTFABRIKEN |