WO2004085946A1 - Plattenwärmetauscher - Google Patents
Plattenwärmetauscher Download PDFInfo
- Publication number
- WO2004085946A1 WO2004085946A1 PCT/CH2004/000173 CH2004000173W WO2004085946A1 WO 2004085946 A1 WO2004085946 A1 WO 2004085946A1 CH 2004000173 W CH2004000173 W CH 2004000173W WO 2004085946 A1 WO2004085946 A1 WO 2004085946A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat exchanger
- air
- plate heat
- water
- plates
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
-
- 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]
- Y02B30/54—Free-cooling systems
-
- 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]
- Y02B30/56—Heat recovery units
Definitions
- the invention relates to a plate heat exchanger for exchanging heat between a first and a second air flow, with a plurality of plates which delimit exchange spaces lying next to one another in the transverse direction to the plates, a part of the exchange spaces from the first air flow and the rest of the exchange spaces from that second air stream can be flowed through, the second air stream consisting of the exhaust air originating from the rooms to be ventilated, which is passed through the .exchange rooms of the heat exchanger as exhaust air to be discharged outside the rooms to be ventilated.
- Plate heat exchangers with which thermal energy is exchanged in ventilation systems are known from the prior art. It is disadvantageous that energy-intensive systems have to be provided for cooling fresh air supplied or circulating room air, usually in the context of an air conditioning system or the like.
- the invention is based on the object of specifying a plate heat exchanger of the type mentioned at the outset, which allows the supplied air to be cooled in a very simple manner and also very cheaply for the energy balance.
- the water distribution system advantageously has a large number of nozzles with which the water is sprayed as a fine mist and thus reaches the exchange space.
- Such an embodiment is preferably at the same time as a cleaning system for the supplied air, at least of particle parts.
- At least parts of the plates belonging to each exchange space of the first air stream can be designed to be conductive.
- an ionization device is provided, with which particles carried in the air stream are ionized, so that they are deposited on the conductive plates in the exchange spaces of the first air stream and are intermittently washed out by flushing through the water distribution system.
- FIG. 1 shows a perspective illustration of a heat exchanger according to an exemplary embodiment of the invention
- FIG. 2 shows a schematic plan view of the heat exchanger according to FIG. 1, and
- FIG. 3 shows a schematic, sectional side view of a heat exchanger according to FIG. 1.
- the plate heat exchanger roughly consists of a plurality of plates 1 which are arranged parallel to one another.
- the plates 1 form a hexagon in the outer shape, but it can also be another form can be chosen.
- the cavities resulting from the plates are shown in FIG. 2, with the reference symbol 2 denoting the opposing final side walls.
- FIG. 2 shows a schematic partial view of the principle of the plate heat exchanger according to FIG. 1 with a smaller number of plates 1 than is shown in FIG. 1.
- two pairs of plates 1 are welded together at their lateral end regions 3 and fastened to the outer walls 2.
- Other constructions e.g. gluing
- cavities are formed between the respective pairs of plates 1, which are hatched in the drawing in FIG. 2.
- These cavities designated by reference numeral 4, can, for example, identify the air path which then leads the outside air 11 into the building as supply air 12.
- the remaining cavities predetermined by the outer walls and side walls 2 are designated by the reference number 5 in FIG. 2 and are therefore three in number in the drawing.
- Reference number 6 denotes a meandering electrode device, which is arranged above the heat exchanger in the area outside air 11. The specific arrangement and function of the same can be better seen from the overview image in FIG. 1 and the schematic detailed sketch in FIG. 3.
- the arrow 11 indicates the path of the incoming outside air, which in the upper right part of the image enters and between the plates, with the plates 1 being welded at the top on this right side of the device, so that this air enters the cavities 5 from FIG. 2 and at the bottom on the left side of the image corresponding to the Arrow 12 is passed as supply air into the rooms to be ventilated.
- the exhaust air coming from the ventilated rooms is supplied according to the arrow marked with the reference number 13 through duct systems on the lower right side of the heat exchanger and emerges from the heat exchanger on the upper left side.
- the plate pairs 1 are designed such that the air can emerge in the area hatched in FIG. 2 with the reference number 4, while the cavities are closed there with the reference number 5, because these Area on the top right outside air 11.
- Said exhaust air 14 is then led away from the upper left part of the heat exchanger into the surroundings in accordance with the arrow through an exhaust pipe system.
- the electrode system 6 is arranged as a meander in the fresh air stream 11 above the plates 1, so that these electrodes, which are charged, for example, with a direct or alternating voltage of 10 kV with respect to the plates lying on earth, ionize particles which adhere Cause dust particles on the metallic heat exchanger so that the air in the flow of the supply air 12 is cleaned.
- a meander any other arrangement of electrodes can also be provided, which allows complete coverage of the cross section of the supplied outside air 11 for its ionization.
- a spray nozzle system 7 or 17 is arranged on one or on both sides of the device, which in the case presented is fed from a central water supply 8, which is controlled, for example, by separate valves, not shown in the figures is before the water enters the fork-shaped water distributors 7 and 17, respectively.
- the shape of the water distributors 7 and 17 can also be configured differently than fork-shaped. It is essential that a sufficient number of water dispensers 9 is arranged over the entire air flow area either 11 or 14, so that water discharged through the nozzles 9 basically fills the entire air space 11 or 14 and in particular in the area of the air flow 11 between the plates, ie in the hatched area 4 between the heat exchanger plate pairs 1 also acts on the walls.
- a cool box 20 is connected upstream in the ventilation duct system. This takes up the original exhaust air flow 23 and, after flowing through the cool box 20, guides it as treated exhaust air flow 13 into the plate heat exchanger.
- the cool box has a number of nebulizing nozzles 21 which are fed from a water inflow, not shown, in particular also connected to the feed line 8. A fine water mist can be sprayed out of the atomizing nozzles 21 and evaporates essentially in the volume of the cool box 20.
- the free diameter of the cool box 20 can be designed in accordance with the flow diameter of the line system, the atomizing nozzles 21 being aligned laterally outside the line system diameter or correspondingly aligned in the line system to avoid turbulent flow components.
- the heat exchangers operate as known from the prior art, which means that the mostly colder outside air flow 11, the heat emitted by the exhaust air flow 13 via the contact with the plates 1 picks up and is discharged as heated supply air 12 into the room to be ventilated.
- the additional cooling according to the invention can now be switched on. This is done by periodically or continuously spraying water from the supply line and the atomizing nozzles 21 into and the exhaust air flow 23. This water flow is cooled beforehand by the water which is colder than the exhaust air flow 23. Furthermore, the atomized water results in the function of an evaporative cooler, which once again lowers the temperature of the exhaust air flow 13 emerging from the cooler box 20. After passing through the plate heat exchanger, this is then released into the outside air as a very moist exhaust air flow 14.
- the water supply line 8 is distributed on both sides of the heat exchanger, so that nozzles 9 are present on both sides in the outside air area 11 and in the exhaust air area 14. It is then possible to rinse the cavities 4 and 5 with water in the periods of rest when the ionization electrode 6 is turned off, so that particles and other residues deposited on the walls are washed out.
- the corresponding water collects in the lower area of the heat exchanger and is discharged there, for example, via one or more siphons.
- the plates of the plate heat exchanger 1 from a chromium-nickel-steel alloy, which, in combination with a rinsing with water, enables odor filtering.
- the plate heat exchanger can be cleaned of the ionized particles of the electrode filter and, at the same time, the surface provided with the relevant alloy can be freed of odor deposits.
- at least parts of the said conductive plates 1 of the first air stream 11, 12 can have a cleaning-active area, which preferably consists of stainless steel with the material numbers 1.4571 or 1.4301 according to the teaching of WO 01/52711. A final machining of the surface would also be possible.
- the electrode surface that is to say the plates 1
- the electrode surface can also be cleaned by an air jet or by a manual brush.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Electrostatic Separation (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004223811A AU2004223811B2 (en) | 2003-03-26 | 2004-03-22 | Plate heat exchanger |
EP04722211A EP1608927A1 (de) | 2003-03-26 | 2004-03-22 | Plattenw rmetauscher |
US10/550,233 US7273516B2 (en) | 2003-03-26 | 2004-03-22 | Plate heat exchanger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH5212003 | 2003-03-26 | ||
CH521/03 | 2003-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004085946A1 true WO2004085946A1 (de) | 2004-10-07 |
Family
ID=33035106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2004/000173 WO2004085946A1 (de) | 2003-03-26 | 2004-03-22 | Plattenwärmetauscher |
Country Status (5)
Country | Link |
---|---|
US (1) | US7273516B2 (de) |
EP (1) | EP1608927A1 (de) |
CN (2) | CN1759289A (de) |
AU (1) | AU2004223811B2 (de) |
WO (1) | WO2004085946A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748260A1 (de) | 2005-07-25 | 2007-01-31 | Imes Management AG | Verfahren zur Kühlung eines Luftstromes |
WO2007015281A2 (en) * | 2005-08-03 | 2007-02-08 | Frigel Firenze S.P.A. | A convector for cooling of a fluid circulating in a pipe |
ITUA20162214A1 (it) * | 2016-04-01 | 2017-10-01 | Emerson Network Power Srl | Dispositivo evaporativo di scambio termico per il raffreddamento aria per impianti di condizionamento e climatizzazione per sale server e simili |
WO2017167729A1 (de) * | 2016-03-31 | 2017-10-05 | Gerhard Kunze | Klimatisierung durch mehrphasen-plattenwärmetauscher |
IT201900003345A1 (it) * | 2019-03-07 | 2020-09-07 | Paolo Vidal | Apparato e metodo di raffreddamento per uno scambiatore di calore e scambiatore di calore |
WO2022243713A1 (en) | 2021-05-18 | 2022-11-24 | Poly-Rek D.O.O. | Climate control systems with indirect and direct adiabatic cooling |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7780761B2 (en) * | 2007-11-06 | 2010-08-24 | Honeywell International Inc. | Adsorptive gas sampler using ionic nano-droplets |
JPWO2009104411A1 (ja) * | 2008-02-20 | 2011-06-23 | ダイキン工業株式会社 | 集塵装置 |
CH699192A1 (de) * | 2008-07-18 | 2010-01-29 | Mentus Holding Ag | Verfahren und Vorrichtung für die Aufbereitung der einem Raum zuzuführenden Luft auf eine gewünschte Temperatur und eine gewünschte Feuchtigkeit. |
US8852523B1 (en) * | 2009-03-17 | 2014-10-07 | Hrl Laboratories, Llc | Ordered open-cellular materials for mass transfer and/or phase separation applications |
WO2015067305A1 (en) | 2013-11-06 | 2015-05-14 | Alfa Laval Corporate Ab | Apparatus and method for cleaning heat transfer plates |
US10168061B2 (en) | 2014-11-11 | 2019-01-01 | Emerson Network Power S.R.L. | Conditioning system of the free cooling type for environments, method of operation of a said conditioning system, and apparatus for carrying out such method |
CN106524800A (zh) * | 2016-12-23 | 2017-03-22 | 洛阳瑞昌石油化工设备有限公司 | 一种用于回收废烟气余热的气相和液相热交换板式换热器 |
CZ201873A3 (cs) * | 2018-02-14 | 2019-05-15 | Farmet A.S. | Ohřívač sypkých materiálů |
CN114719366B (zh) * | 2022-03-17 | 2024-04-05 | 北京热博仕数据科技发展有限公司 | 一种低温等离子热回收净化器 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US2825210A (en) * | 1954-07-19 | 1958-03-04 | Clifford H Carr | Heat exchange apparatus |
WO1992004589A1 (de) * | 1990-08-31 | 1992-03-19 | Emil Bader | Waschvorrichtung für querstrom-plattenwärmeaustauscher |
WO1996022497A1 (de) * | 1995-01-20 | 1996-07-25 | Polybloc Ag | Plattenwärmeaustauscher mit benetzungseinrichtung |
EP0959307A1 (de) * | 1998-05-20 | 1999-11-24 | Polybloc Ag | Sorptions- Plattenwärmeaustauscher |
DE19904607C1 (de) * | 1999-02-05 | 2000-04-06 | Heinz Hoelter | Denaturierendes Kaskaden-Elektrofiltersystem mit mindestens zwei Filterstufen |
DE19848740A1 (de) * | 1998-10-22 | 2000-04-27 | Heinz Hoelter | Kombination aus Plattenwärmetauscher mit integriertem denaturierenden Elektrofilter |
EP1001228A2 (de) * | 1998-11-09 | 2000-05-17 | Building Performance Equipment Inc. | Belüftungsanlage und Verfahren dazu |
WO2001052711A2 (de) | 2000-01-17 | 2001-07-26 | Dirk Zielonka | Reinigungskörper aus edelstahl |
DE10059804A1 (de) | 2000-12-01 | 2002-06-13 | Heinz Hoelter | System zur Luftreinigung für Rotationswärmetauscher |
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US3745751A (en) * | 1970-10-26 | 1973-07-17 | American Standard Inc | Sulfur dioxide collection system |
US3800505A (en) * | 1972-10-11 | 1974-04-02 | Air Pollution Specialties Inc | Method and apparatus for removing oil from effluent gas |
SE462421B (sv) * | 1988-11-04 | 1990-06-25 | Boliden Contech Ab | Anordning vid vaatelektrofilter |
US5296019A (en) * | 1990-06-19 | 1994-03-22 | Neg-Ions (North America) Inc. | Dust precipitation from air by negative ionization |
GB9013621D0 (en) * | 1990-06-19 | 1990-08-08 | Neg Ions Limited | Dust extraction from air by negative ionization |
KR940001414B1 (ko) * | 1991-12-31 | 1994-02-23 | 삼성전자 주식회사 | 전기집진기 |
US6221136B1 (en) * | 1998-11-25 | 2001-04-24 | Msp Corporation | Compact electrostatic precipitator for droplet aerosol collection |
US6193782B1 (en) * | 1999-03-30 | 2001-02-27 | Croll Reynolds Clean Air Technologies, Inc. | Modular condensing wet electrostatic precipitators and method |
-
2004
- 2004-03-22 US US10/550,233 patent/US7273516B2/en not_active Expired - Fee Related
- 2004-03-22 AU AU2004223811A patent/AU2004223811B2/en not_active Ceased
- 2004-03-22 WO PCT/CH2004/000173 patent/WO2004085946A1/de active Application Filing
- 2004-03-22 EP EP04722211A patent/EP1608927A1/de not_active Withdrawn
- 2004-03-22 CN CNA2004800065994A patent/CN1759289A/zh active Pending
- 2004-03-22 CN CNA2008100976757A patent/CN101303203A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825210A (en) * | 1954-07-19 | 1958-03-04 | Clifford H Carr | Heat exchange apparatus |
WO1992004589A1 (de) * | 1990-08-31 | 1992-03-19 | Emil Bader | Waschvorrichtung für querstrom-plattenwärmeaustauscher |
WO1996022497A1 (de) * | 1995-01-20 | 1996-07-25 | Polybloc Ag | Plattenwärmeaustauscher mit benetzungseinrichtung |
EP0959307A1 (de) * | 1998-05-20 | 1999-11-24 | Polybloc Ag | Sorptions- Plattenwärmeaustauscher |
DE19848740A1 (de) * | 1998-10-22 | 2000-04-27 | Heinz Hoelter | Kombination aus Plattenwärmetauscher mit integriertem denaturierenden Elektrofilter |
EP1001228A2 (de) * | 1998-11-09 | 2000-05-17 | Building Performance Equipment Inc. | Belüftungsanlage und Verfahren dazu |
DE19904607C1 (de) * | 1999-02-05 | 2000-04-06 | Heinz Hoelter | Denaturierendes Kaskaden-Elektrofiltersystem mit mindestens zwei Filterstufen |
WO2001052711A2 (de) | 2000-01-17 | 2001-07-26 | Dirk Zielonka | Reinigungskörper aus edelstahl |
DE10059804A1 (de) | 2000-12-01 | 2002-06-13 | Heinz Hoelter | System zur Luftreinigung für Rotationswärmetauscher |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748260A1 (de) | 2005-07-25 | 2007-01-31 | Imes Management AG | Verfahren zur Kühlung eines Luftstromes |
WO2007012213A1 (de) | 2005-07-25 | 2007-02-01 | Imes Management Ag | Verfahren zur kühlung eines luftstromes |
WO2007015281A2 (en) * | 2005-08-03 | 2007-02-08 | Frigel Firenze S.P.A. | A convector for cooling of a fluid circulating in a pipe |
WO2007015281A3 (en) * | 2005-08-03 | 2008-03-13 | Frigel Firenze S P A | A convector for cooling of a fluid circulating in a pipe |
US7600743B2 (en) | 2005-08-03 | 2009-10-13 | Frigel Firenze S.P.A. | Convector for cooling of a fluid circulating in a pipe |
AU2006276679B2 (en) * | 2005-08-03 | 2010-06-10 | Frigel Firenze S.P.A. | A convector for cooling of a fluid circulating in a pipe |
WO2017167729A1 (de) * | 2016-03-31 | 2017-10-05 | Gerhard Kunze | Klimatisierung durch mehrphasen-plattenwärmetauscher |
ITUA20162214A1 (it) * | 2016-04-01 | 2017-10-01 | Emerson Network Power Srl | Dispositivo evaporativo di scambio termico per il raffreddamento aria per impianti di condizionamento e climatizzazione per sale server e simili |
EP3225926A1 (de) * | 2016-04-01 | 2017-10-04 | Emerson Network Power S.R.L. | Verdampfungs-wärmetauschvorrichtung zur luftkühlung für konditionierungs- und klimakontrollsysteme für serverräume und dergleichen |
IT201900003345A1 (it) * | 2019-03-07 | 2020-09-07 | Paolo Vidal | Apparato e metodo di raffreddamento per uno scambiatore di calore e scambiatore di calore |
WO2020178874A1 (en) * | 2019-03-07 | 2020-09-10 | Vidal Paolo | Apparatus and method for cooling a heat exchanger |
WO2022243713A1 (en) | 2021-05-18 | 2022-11-24 | Poly-Rek D.O.O. | Climate control systems with indirect and direct adiabatic cooling |
Also Published As
Publication number | Publication date |
---|---|
CN1759289A (zh) | 2006-04-12 |
US7273516B2 (en) | 2007-09-25 |
AU2004223811A1 (en) | 2004-10-07 |
AU2004223811B2 (en) | 2009-07-30 |
AU2004223811A2 (en) | 2004-10-07 |
EP1608927A1 (de) | 2005-12-28 |
CN101303203A (zh) | 2008-11-12 |
US20060191413A1 (en) | 2006-08-31 |
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