FR2233573B3 - - Google Patents
Info
- Publication number
- FR2233573B3 FR2233573B3 FR7420992A FR7420992A FR2233573B3 FR 2233573 B3 FR2233573 B3 FR 2233573B3 FR 7420992 A FR7420992 A FR 7420992A FR 7420992 A FR7420992 A FR 7420992A FR 2233573 B3 FR2233573 B3 FR 2233573B3
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
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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
- F25B31/00—Compressor arrangements
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/025—Motor control arrangements
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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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4550573A IT984989B (it) | 1973-06-18 | 1973-06-18 | Frigorifero con compressore ermeti co alimentato in corrente continua |
IT4550973A IT1005558B (it) | 1973-10-19 | 1973-10-19 | Condizionatore d aria con compres sore ermetico alimentato in corren te continua e alternata |
IT4550674A IT1056244B (it) | 1974-05-13 | 1974-05-13 | Frigorifero con compressore ermetico alimentato in corpente continua |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2233573A1 FR2233573A1 (de) | 1975-01-10 |
FR2233573B3 true FR2233573B3 (de) | 1977-04-15 |
Family
ID=27273623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7420992A Expired FR2233573B3 (de) | 1973-06-18 | 1974-06-17 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2233573B3 (de) |
GB (1) | GB1477031A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4306419A (en) * | 1980-10-14 | 1981-12-22 | Aeroflex Laboratories Incorporated | Brushless DC motor driven cryogenic refrigeration system |
DE3139460C1 (de) * | 1981-10-03 | 1983-06-01 | Danfoss A/S, 6430 Nordborg | Kälte- oder Wärmepumpenanlage |
ES2137808B1 (es) * | 1996-05-03 | 2000-08-16 | Electrolux Espana S A | Sistema de refrigeracion mejorado. |
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1974
- 1974-06-17 FR FR7420992A patent/FR2233573B3/fr not_active Expired
- 1974-06-18 GB GB2698774A patent/GB1477031A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2233573A1 (de) | 1975-01-10 |
GB1477031A (en) | 1977-06-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |