CA2509452A1 - Evaporator arrangement for an air conditioning system of an aircraft - Google Patents
Evaporator arrangement for an air conditioning system of an aircraft Download PDFInfo
- Publication number
- CA2509452A1 CA2509452A1 CA 2509452 CA2509452A CA2509452A1 CA 2509452 A1 CA2509452 A1 CA 2509452A1 CA 2509452 CA2509452 CA 2509452 CA 2509452 A CA2509452 A CA 2509452A CA 2509452 A1 CA2509452 A1 CA 2509452A1
- Authority
- CA
- Canada
- Prior art keywords
- evaporator
- airflow
- conduit
- main air
- arrangement
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract 8
- 230000002745 absorbent Effects 0.000 claims 10
- 239000002250 absorbent Substances 0.000 claims 10
- 238000011144 upstream manufacturing Methods 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 230000007257 malfunction Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
- F24F6/043—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements with self-sucking action, e.g. wicks
-
- 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
-
- 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
- B64D2013/0662—Environmental Control Systems with humidity control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air Humidification (AREA)
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application describes an evaporator arrangement for an air conditioning system of an aircraft, wherein a bypass conduit is provided which can be connected such that if required at least part of the airflow bypasses an evaporator. This may make it possible in the case of malfunction of the evaporator to maintain the functionality of the air conditioning system.
Claims (14)
1. An evaporator arrangement for an air conditioning system of an aircraft, comprising:
a main air conduit;
a bypass air conduit; and an evaporator;
wherein the evaporator is arranged in the main air conduit such that an airflow in the main air conduit flows through the evaporator;
wherein the bypass conduit is connectable to the main air conduit such that at least part of the airflow bypasses the evaporator.
a main air conduit;
a bypass air conduit; and an evaporator;
wherein the evaporator is arranged in the main air conduit such that an airflow in the main air conduit flows through the evaporator;
wherein the bypass conduit is connectable to the main air conduit such that at least part of the airflow bypasses the evaporator.
2. The evaporator arrangement of claim 1, further comprising:
a safety valve;
wherein the safety valve is arranged between the main air conduit and the bypass air conduit such that if a threshold pressure in the main air conduit upstream of the evaporator is exceeded, at least part of the airflow is fed to the bypass conduit through the safety valve.
a safety valve;
wherein the safety valve is arranged between the main air conduit and the bypass air conduit such that if a threshold pressure in the main air conduit upstream of the evaporator is exceeded, at least part of the airflow is fed to the bypass conduit through the safety valve.
3. The evaporator arrangement of claim 1 to 2, further comprising:
a diffuser;
wherein the diffuser is provided in the main air conduit upstream of the evaporator;
wherein the diffuser forms the airflow in such a way that the airflow consists of airflow lines of essentially identical speed.
a diffuser;
wherein the diffuser is provided in the main air conduit upstream of the evaporator;
wherein the diffuser forms the airflow in such a way that the airflow consists of airflow lines of essentially identical speed.
4. The evaporator arrangement of claim 3, further comprising:
a grid;
wherein the grid is provided between the diffuser and the evaporator is provided to further adjust the speed of the airflow lines.
a grid;
wherein the grid is provided between the diffuser and the evaporator is provided to further adjust the speed of the airflow lines.
5. The evaporator arrangement of any one of claims 1 to 4, further comprising:
a temperature sensor;
wherein the temperature sensor is arranged in a first flow direction of the airflow in the main air conduit upstream of the evaporator.
a temperature sensor;
wherein the temperature sensor is arranged in a first flow direction of the airflow in the main air conduit upstream of the evaporator.
6. The evaporator arrangement of any one of claims 1 to 5, wherein the airflow in the evaporator has a second airflow direction; and wherein the airflow has a third airflow direction when the airflow impinges on the evaporator;
wherein the second airflow direction is not orthogonal in relation to the third airflow direction.
wherein the second airflow direction is not orthogonal in relation to the third airflow direction.
7. The evaporator arrangement of claim 6, further comprising an air deflector;
wherein the air deflector includes a honeycomb structure;
wherein the air deflector is arranged on the evaporator in the third airflow direction to deflect flow lines of the airflow and feed them to the evaporator.
wherein the air deflector includes a honeycomb structure;
wherein the air deflector is arranged on the evaporator in the third airflow direction to deflect flow lines of the airflow and feed them to the evaporator.
8. The evaporator arrangement of any one of claims 1 to 7, further comprising:
a housing;
wherein the housing is sound absorbent.
a housing;
wherein the housing is sound absorbent.
9. The evaporator arrangement of any one of claims 1 to 8, wherein the evaporator is a direct evaporator comprising an absorbent porous, inorganic material.
10. An air conditioning system for an aircraft, comprising:
an evaporator arrangement of any one of claims 1 to 9.
an evaporator arrangement of any one of claims 1 to 9.
11. An evaporator pad for a direct evaporator in a main air conduit with an airflow in an air conditioning system of an aircraft, the main air conduit being provided with a bypass conduit, comprising:
an absorbent element with a flow-through direction;
wherein the absorbent element is adapted such that when the absorbent element is arranged in the direct evaporator, the airflow in the main air conduit flows through the absorbent element if the bypass conduit is not connected; and wherein the absorbent element is adapted such that the bypass conduit of the direct evaporator is connectable such that at least part of the airflow bypasses the absorbent element.
an absorbent element with a flow-through direction;
wherein the absorbent element is adapted such that when the absorbent element is arranged in the direct evaporator, the airflow in the main air conduit flows through the absorbent element if the bypass conduit is not connected; and wherein the absorbent element is adapted such that the bypass conduit of the direct evaporator is connectable such that at least part of the airflow bypasses the absorbent element.
12. The evaporator pad of claim 11, further comprising:
an air deflector;
wherein the air deflector includes a honeycomb structure;
wherein, in the flow-through direction, the air deflector is arranged on the absorbent element;
wherein the flow-through direction is not orthogonal to an airflow direction of the airflow impinging on the absorbent element.
an air deflector;
wherein the air deflector includes a honeycomb structure;
wherein, in the flow-through direction, the air deflector is arranged on the absorbent element;
wherein the flow-through direction is not orthogonal to an airflow direction of the airflow impinging on the absorbent element.
13. A method for operating an evaporator arrangement of an air conditioning system of an aircraft, wherein the evaporator arrangement comprises:
a main air conduit;
a bypass air conduit; and an evaporator;
wherein the method comprises the steps of:
operating the evaporator in the main air channel such that an airflow in the main air conduit flows through the evaporator; and connecting the bypass conduit so that at least part of the airflow bypasses the evaporator.
a main air conduit;
a bypass air conduit; and an evaporator;
wherein the method comprises the steps of:
operating the evaporator in the main air channel such that an airflow in the main air conduit flows through the evaporator; and connecting the bypass conduit so that at least part of the airflow bypasses the evaporator.
14. The method of claim 13, further comprising the step of:
measuring a temperature of the airflow upstream of the evaporator;
wherein the temperature is used for temperature control in the air conditioning system.
measuring a temperature of the airflow upstream of the evaporator;
wherein the temperature is used for temperature control in the air conditioning system.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57841904P | 2004-06-09 | 2004-06-09 | |
| DE102004028037A DE102004028037B4 (en) | 2004-06-09 | 2004-06-09 | Evaporator assembly for an air conditioning system of an aircraft |
| DE102004028037.1 | 2004-06-09 | ||
| US60/578,419 | 2004-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2509452A1 true CA2509452A1 (en) | 2005-12-09 |
| CA2509452C CA2509452C (en) | 2012-07-31 |
Family
ID=34979111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2509452A Expired - Fee Related CA2509452C (en) | 2004-06-09 | 2005-06-08 | Evaporator arrangement for an air conditioning system of an aircraft |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1604899B1 (en) |
| CA (1) | CA2509452C (en) |
| DE (1) | DE502005007261D1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008004695B4 (en) | 2008-01-16 | 2012-10-25 | Airbus Operations Gmbh | Individual tempering of aircraft cabin areas by heating and evaporative cooling |
| US9151539B2 (en) | 2011-04-07 | 2015-10-06 | Hamilton Sundstrand Corporation | Heat exchanger having a core angled between two headers |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB325515A (en) * | 1928-11-20 | 1930-02-20 | Auditorium Ventilating Corp | Improvements relating to air conditioning and ventilating systems |
| US2144693A (en) * | 1934-11-27 | 1939-01-24 | Carrier Corp | Method and means for controlling air conditioning systems |
| CH456894A (en) * | 1967-07-12 | 1968-05-31 | Turmix Ag | Humidifier with a heater |
| US3464400A (en) * | 1967-11-15 | 1969-09-02 | Carrier Corp | Humidifier |
| US4272014A (en) | 1978-12-26 | 1981-06-09 | Lockheed Corporation | Humidification system |
| JPS5689518A (en) | 1979-12-21 | 1981-07-20 | Toyo Ink Mfg Co Ltd | Production of laminate |
| FR2530968A3 (en) * | 1982-04-02 | 1984-02-03 | Sanber Plast Nidostrutture Srl | Apparatus for contact between a liquid and a gas which can be employed in particular as a humidifier-cooler for premises. |
| CH673519A5 (en) * | 1987-07-29 | 1990-03-15 | Schoenmann & Co Ag E | |
| US4803849A (en) * | 1988-05-31 | 1989-02-14 | Diaz Henry E | Refrigeration/evaporative cooler unit |
| EP0345190B1 (en) * | 1988-06-03 | 1992-09-02 | Industrielle Du Ponant Sa | Humidifier for an air conditioning system |
| FR2661233B1 (en) | 1990-04-18 | 1993-10-29 | Ponant Sa Industrielle | STEAM GENERATOR. |
| US5595690A (en) | 1995-12-11 | 1997-01-21 | Hamilton Standard | Method for improving water transport and reducing shrinkage stress in membrane humidifying devices and membrane humidifying devices |
| FR2742121B1 (en) | 1995-12-12 | 1998-02-13 | Intertechnique Sa | HUMIDIFIER DEVICE FOR AIRCRAFT CABIN |
| DE10000921B4 (en) * | 2000-01-12 | 2012-03-01 | Volkswagen Ag | Particulate filter system, in particular for diesel engines |
-
2005
- 2005-06-08 CA CA2509452A patent/CA2509452C/en not_active Expired - Fee Related
- 2005-06-08 EP EP05012370A patent/EP1604899B1/en not_active Not-in-force
- 2005-06-08 DE DE200550007261 patent/DE502005007261D1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1604899A2 (en) | 2005-12-14 |
| CA2509452C (en) | 2012-07-31 |
| EP1604899A3 (en) | 2007-03-07 |
| DE502005007261D1 (en) | 2009-06-25 |
| EP1604899B1 (en) | 2009-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20210608 |