GB969804A - Improvements in and relating to closed liquid-circulating cooling systems - Google Patents
Improvements in and relating to closed liquid-circulating cooling systemsInfo
- Publication number
- GB969804A GB969804A GB1641262A GB1641262A GB969804A GB 969804 A GB969804 A GB 969804A GB 1641262 A GB1641262 A GB 1641262A GB 1641262 A GB1641262 A GB 1641262A GB 969804 A GB969804 A GB 969804A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- heat exchanger
- evaporators
- temperature
- cooling
- 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.)
- Expired
Links
- 238000001816 cooling Methods 0.000 title abstract 5
- 239000007788 liquid Substances 0.000 abstract 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 9
- 239000002826 coolant Substances 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D13/08—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned the air being heated or cooled
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0614—Environmental Control Systems with subsystems for cooling avionics
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
969,804. Closed liquid coolant circulation systems. G. BAYARD. April 30, 1962 [May 13, 1961], No. 16412/62. Heading F4U. Apparatus for cooling the liquid coolant, e.g. of electronic equipment in an aircraft, comprises an air cooled heat exchanger 11, means 7 capable of causing the liquid to bypass the heat exchanger when the temperature of the cooling air rises above a predetermined value, means leading from the heat exchanger and from the by-pass to convey the liquid to a pair of evaporators 16, 17 arranged in series, the evaporators containing a second liquid, e.g. methyl alcohol, and means capable of controlling the boiling temperature of said second liquid. As shown, liquid to be cooled enters distribution cock 7 which is controlled by a heat sensitive probe 9 which records the temperature of the air-cooling heat exchanger 11. If the temperature sensed is below e.g. 50‹ C. then cock 7 diverts the liquid through the heat exchanger 11, if above, then the heat exchanger is by-passed. Both by-pass and heat exchanger liquid enters evaporators 16 and 17 before finally flowing back to the equipment to be cooled via pipe 5. The required amount of cooling of the liquid in the evaporators is obtained when the methyl alcohol is subjected to a pressure of 700 gm. per sq. cm. equivalent to an altitude of 3000 metres. When the aircraft rises above this altitude regulator 32 acts as an exhaust valve for both evaporators and restores the pressure in the evaporators to 700 gm. per sq. cm. via stacks 26 and 27 and valve 31. When the aircraft descends below 3000 metres the regulator 32 is set directly in communication with the atmosphere and the methyl alcohol in evaporator 16 boils off at a higher temperature and does not sufficiently cool the liquid. The evaporator 17 however is subjected to a depression through regulator 33 which communicates with extractor 35 which restores inside evaporator 17 a pressure of 700 gm. per sq. cm. Valve 31 remains closed while extractor 35 is in operation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR861862A FR1297204A (en) | 1961-05-13 | 1961-05-13 | Conditioning unit for cooling equipment subject to heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB969804A true GB969804A (en) | 1964-09-16 |
Family
ID=8755214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1641262A Expired GB969804A (en) | 1961-05-13 | 1962-04-30 | Improvements in and relating to closed liquid-circulating cooling systems |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH399500A (en) |
| DE (1) | DE1406521A1 (en) |
| FR (1) | FR1297204A (en) |
| GB (1) | GB969804A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2081185B1 (en) * | 1970-03-16 | 1974-05-24 | Etud Const Aero Naval S |
-
1961
- 1961-05-13 FR FR861862A patent/FR1297204A/en not_active Expired
-
1962
- 1962-04-30 GB GB1641262A patent/GB969804A/en not_active Expired
- 1962-05-08 DE DE19621406521 patent/DE1406521A1/en active Pending
- 1962-05-09 CH CH559162A patent/CH399500A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1406521A1 (en) | 1968-10-31 |
| CH399500A (en) | 1965-09-30 |
| FR1297204A (en) | 1962-06-29 |
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