DE102005035712A1 - Method and/or construction for manufacture of ventilation unit with heat recuperation has passage of heat exchanger arranged between inner wall of outer tube and outer wall of inner tube, with fans and motors in inner tube - Google Patents
Method and/or construction for manufacture of ventilation unit with heat recuperation has passage of heat exchanger arranged between inner wall of outer tube and outer wall of inner tube, with fans and motors in inner tube Download PDFInfo
- Publication number
- DE102005035712A1 DE102005035712A1 DE102005035712A DE102005035712A DE102005035712A1 DE 102005035712 A1 DE102005035712 A1 DE 102005035712A1 DE 102005035712 A DE102005035712 A DE 102005035712A DE 102005035712 A DE102005035712 A DE 102005035712A DE 102005035712 A1 DE102005035712 A1 DE 102005035712A1
- Authority
- DE
- Germany
- Prior art keywords
- heat recovery
- fan unit
- fan
- inner tube
- wall
- 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.)
- Ceased
Links
Classifications
-
- 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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- 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
- F24F2012/007—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using a by-pass for bypassing the heat-exchanger
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Anwendungsgebiet:Field of use:
Die Erfindung betrifft ein kompaktes Lüftungsgerät mit Wärmerückgewinnung im Gegenstromtauschverfahren zum Einsatz, z.B. als dezentrales Lüftungsgerät in der Außenwand von Räumen, bzw. Containern oder in größeren Ausführungsformen auch als zentrale Lüftungsanlage, also überall, wo sehr kompakte Geräte benötigt werden, vor allem zum Nachrüsten in Altbauten.The The invention relates to a compact ventilation unit with heat recovery in the countercurrent exchange method for use, e.g. as a decentralized ventilation device in the outer wall of rooms, or Containers or in larger embodiments also as a central ventilation system, So everywhere, where very compact devices needed be, especially for retrofitting in old buildings.
Stand der Technik und Nachteile des Stands der Technik:State of the art and Disadvantages of the prior art:
Beispiel 1:Example 1:
Vorhandene Lüftungsgeräte benötigen in der Regel einen Wanddurchbruch für die Zuluft und einen 2. Wanddurchbruch für die Abluft oder ein Doppelrohr für Zu- und Abluft, wobei diese Kanäle mit einem davon getrennt gehaltenem Wärmetauscher, meist Plattenwärmetauscher, verbunden sind.Existing Air handling units require in usually a wall opening for the supply air and a second wall opening for the exhaust air or a double pipe for supply and Exhaust air, these channels with a separate heat exchanger, usually plate heat exchanger, are connected.
Die Ventilatoren liegen also neben dem Wärmetauscher.The Fans are thus located next to the heat exchanger.
Nachteile:Disadvantage:
- 1. Dadurch das die Ventilatoren neben dem Wärmetauscher liegen und Verbindungskanäle benötigt werden, können die luftführenden Kanäle keine konstante Luftvolumenführung der einzelnen Platten des Gegenstromwärmetauschers gewährleisten.1. This causes the fans next to the heat exchanger lie and connection channels needed can, can the air-carrying channels no constant air volume control ensure the individual plates of the countercurrent heat exchanger.
- 2. Höherer Montageaufwand2nd higher installation effort
- 3. Größerer Platzbedarf im Raum oder im Container3. Larger space requirement in the room or in the container
- 4. Die Wärmetauscher werden bei dieser Ausführungsform meist im Innenraum liegend angebracht, so dass die Kälte durch die Wand hindurch nach innen gebracht wird und zu hohe Kälteabstrahlung im Innenraum stattfindet oder extrem teure Isoliermaßnahmen notwendig sind4. The heat exchangers be in this embodiment Usually mounted in the interior, so that the cold through the wall is brought inside and too high cold radiation takes place in the interior or extremely expensive insulation necessary
- 5. Zwei Wanddurchbrüche oder Ausführung mit teurem Doppelrohr und Anschlusselementen5. Two wall breakthroughs or execution with expensive double pipe and connecting elements
- 6. Eine Entwässerung nach außen muss vorgesehen werden, da der Wärmetauscher innen im Raum liegt6. A drainage outward must be provided as the heat exchanger inside is in the room
Beispiel 2:Example 2:
Bei dieser Ausführungsform liegt das Gerät viereckig in der Wand, d.h. man muss vor dem Einbau ein Loch bohren und nachstemmen. Die Wärmetauscher und Ventilatoren liegen ebenfalls getrennt voneinander und sind durch Kanäle verbundenat this embodiment The device is square in the wall, i. you have to drill a hole before mounting and nachstemmen. The heat exchangers and fans are also separate from each other and are through channels connected
Nachteile:Disadvantage:
Für dieses Gerät gelten in etwa die gleichen Nachteile wie für Beispiel 1.For this Appliance about the same disadvantages as for example 1.
Vorbemerkungen zum Stand der Technik:Preliminary remarks on the stand of the technique:
Die bisher bekannten Verfahren sind Varianten der Beispiele 1 und 2 und dadurch,
- – in der Anwendung zu teuer
- – nicht platzsparend genug
- – und bringen zuviel Kälte durch die Wand in den Innenraum
- – in der Regel wird bei solchen Geräten die Wärmerückgewinnung auf 70 % gekürzt, damit man keine Frostprobleme bekommt, obwohl man bei Frost volle Rückgewinnung benötigen würde
- - too expensive in the application
- - not enough space
- - and bring too much cold through the wall into the interior
- - As a rule, the heat recovery is reduced to 70% in such devices, so you get no frost problems, although you would need full recovery in frost
Aufgabe der Erfindung:Object of the invention:
Rohrleitung, Wärmetauscher und Ventilatoren sollen so kompakt zusammengefasst werden, dass dieses kompakte zylindrische Aggregat in einer Wandbohrung durch einfaches Einschieben untergebracht werden kann.Pipeline heat exchangers and fans should be summarized so compactly that this compact cylindrical aggregate in a wall bore through easy insertion can be accommodated.
Die Amortisation dieses Geräts soll durch Energieeinsparungen erfolgen.The Amortization of this device should be done through energy savings.
Die Ventilatoren müssen den Winddruckeinfluss ausgleichen.The Fans need compensate for the wind pressure influence.
Die Ventilatoren-Anordnung soll so erfolgen, dass die einzelnen Kanäle gleich gut beaufschlagt werden.The Fan arrangement should be such that the individual channels are the same be well acted upon.
Das Gerät sollte auch zur Entfeuchtung, bzw. zur Vermeidung von Schimmelbildung geeignet sein.The Device should Also suitable for dehumidification, or to prevent mold growth be.
Lösung der Aufgabe:Solution of the task:
Das Lüfteraggregat gemäß der Erfindung besteht aus einem Außen- und einem Innenrohr, sowie zwischen Innenwand des Außenrohrs und Außenwand des Innenrohrs liegenden Wärmetauscherlamellen, die einzelne Kanäle bilden.The fan unit according to the invention consists of an external and an inner tube, as well as between the inner wall of the outer tube and outer wall the inner tube lying heat exchanger fins, the single channels form.
Im Innenrohr liegen mind. ein Ventilator mit 2 Schaufelkränzen oder 2 Ventilatoren, von denen ein außenliegender Ventilator für die Zuluftansaugung und der 2. innenliegende Ventilator für die Abluftansaugung dienen.in the Inner tube are at least one fan with 2 blade rings or 2 fans, one of which is an external fan for supply air intake and the 2nd internal fan is used for exhaust air intake.
Die Ventilatoren laufen um die Innenachse der beiden Rohre, saugen in das innenliegende Rohr an und drücken die angesaugte Luft durch Schlitze des Innenrohrs in die einzelnen Zuluft- oder Abluftkanäle. Der Innenventilator beaufschlagt also jeden 2. Kanal A von innen nach außen und der Außenventilator jeden 2. Kanal B von außen nach innen.The fans run around the inner axis of the two tubes, suck into the inner tube and press the sucked air through slots of the inner tube in the individual Zuluft- or exhaust air ducts. The indoor fan acts so every 2. Channel A from the inside out and the outside fan every 2nd channel B from outside to inside.
Bei einigen Sonderformen, bzw. Varianten, liegen die Schaufelkränze der Radialventilatoren dicht beieinander, so dass sie von einem einzigen Motor angetrieben werden können. Man ordnet sie vorzugsweise innen an, so dass der Zuluftventilator die Außenluft über einen längere Strecke ansaugt, also schon erwärmte Luft bewegt.at some special forms, or variants, are the blade rings of Centrifugal fans close together, giving them a single motor can be driven. It is preferably arranged inside, so that the supply air fan the Outside air over one longer Suction of the track, that is already warmed up Air moves.
Bei einer anderen Sonderform, können die beiden Ventilatoren von einem dazwischenliegenden Motor über lange Antriebswellen angetrieben werden.at another special form, can the two fans from an intermediate engine for a long time Drive shafts are driven.
Vorteile der Erfindung:Advantages of the invention:
- 1. Das Aggregat wird sehr kompakt und platzsparend1. The unit is very compact and space-saving
- 2. Das Aggregat erfordert sowohl bei der Herstellung, als auch beim Einbau geringen Montageaufwand2. The unit requires both in the production, as well during installation low installation costs
- 3. Man arbeitet mit einem vollen klassischen Gegenstromkanal Wärmetauscher3. It works with a full classical counterflow channel heat exchangers
- 4. Die Gegenstromkanäle werden in voller Länge genutzt4. The countercurrent channels are used in full length
- 5. Der Einbau in kreisrunde Wandbohrungen ist äußerst wirtschaftlich5. Installation in circular wall bores is extremely economical
- 6. gleichverteilte, bzw. gleichwertige Luftströmung in allen Kanälen6. equally distributed or equivalent air flow in all channels
- 7. Strömungsgünstige Anordnung der Ventilatoren zu den Einlassschlitzen und Kanälen7. Streamlined arrangement the fans to the inlet slots and channels
- 8. Es besteht die Möglichkeit einen Bypass zu integrieren8. There is a possibility to integrate a bypass
- 9. Wirtschaftlicher Konstruktionsaufbau, da der Wärmetauscher gleichzeitig einen Großteil des Gehäuses darstellt9. Economic construction structure, since the heat exchanger at the same time a large part of the housing represents
Beschreibung der Erfindung:Description of the invention:
Mehrere Ausführungsbeispiele sind als Skizzen dargestellt und werden im folgenden näher beschriebenSeveral embodiments are shown as sketches and are described in more detail below
Skizze 1:Sketch 1:
Bei
diesem Ausführungsbeispiel
sieht man in einem Längsschnitt
(Skizze 1a) das innenliegende Rohr (
Eine
außenliegende
Abdeckung (
Die
Lüftungsanlage
funktioniert so, dass der innenliegende Ventilator (
In Skizze 1b sieht man, dass die Trennwände zwischen den Kanälen A und B der Wärmeübertragung der warmen ausströmende Innenluft, auf die kalte hereinströmende Außenluft dienen. Diese Trennwände zwischen den einzelnen Kanälen können vorzugsweise als transparente Membranen ausgeführt werden, so dass die Feuchtigkeit der ausströmenden Luft von B nach A diffundiert und in den Kanälen A einströmende Luft übertragen wird.In Sketch 1b shows that the partitions between the channels A and B of heat transfer the warm outflowing Indoor air, to serve the cold incoming outside air. These partitions between the individual channels can preferably be designed as transparent membranes, so that the moisture the outflowing Air diffused from B to A and transferred in the channels A incoming air becomes.
Das
Rohr
Skizze 2:Sketch 2:
Dieses
Ausführungsbeispiel
entspricht im wesentlichen der Ausführung gemäß Skizze 1a und 1b, wobei die
beiden Motoren (
Skizze 3:Sketch 3:
Auch
diese Ausführungsbeispiel
im wesentlichen den vorangegangenen Beispielen, wobei bei dieser
Ausführungsform
die Befestigungsscheiben (
In
Bezug auf den innenliegenden Ventilator (
Dies
hat den Vorteil, dass der außenliegende Ventilator
(
Im
Innenrohr ist in einer geeigneten Entfernung vom außenliegenden
Ventilator eine Scheibe (
Skizze 4:Sketch 4:
Skizze zeigt eine Ausführungsform, die sich weitgehend an die Ausführungsform von Skizze 3 anlehnt, aber durch die Schlitzanordnung und Luftführung das Anbringen von Filtern im innenliegenden Rohr außerordentlich stark begünstigt.sketch shows an embodiment, which largely depends on the embodiment inspired by sketch 3, but through the slot arrangement and air duct the Attaching filters in the inner tube extremely favored.
Claims (24)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005035712A DE102005035712A1 (en) | 2005-07-27 | 2005-07-27 | Method and/or construction for manufacture of ventilation unit with heat recuperation has passage of heat exchanger arranged between inner wall of outer tube and outer wall of inner tube, with fans and motors in inner tube |
DE102006035531A DE102006035531A1 (en) | 2005-07-27 | 2006-07-27 | Modular compact ventilation unit with heat recovery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005035712A DE102005035712A1 (en) | 2005-07-27 | 2005-07-27 | Method and/or construction for manufacture of ventilation unit with heat recuperation has passage of heat exchanger arranged between inner wall of outer tube and outer wall of inner tube, with fans and motors in inner tube |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005035712A1 true DE102005035712A1 (en) | 2007-02-01 |
Family
ID=37650353
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005035712A Ceased DE102005035712A1 (en) | 2005-07-27 | 2005-07-27 | Method and/or construction for manufacture of ventilation unit with heat recuperation has passage of heat exchanger arranged between inner wall of outer tube and outer wall of inner tube, with fans and motors in inner tube |
DE102006035531A Ceased DE102006035531A1 (en) | 2005-07-27 | 2006-07-27 | Modular compact ventilation unit with heat recovery |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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DE102006035531A Ceased DE102006035531A1 (en) | 2005-07-27 | 2006-07-27 | Modular compact ventilation unit with heat recovery |
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DE (2) | DE102005035712A1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1962031A2 (en) * | 2007-02-21 | 2008-08-27 | Robert Bosch GmbH | Heat recovery module |
EP2077428A3 (en) * | 2007-09-18 | 2010-02-03 | Vent-Axia Group Limited | A heat exchanger a heat exchanger element therefor and a method of assembling a heat exchanger element |
DE102005045734B4 (en) * | 2004-09-23 | 2010-04-29 | Josef Bachmaier | Heat exchanger with arranged on this conveyor |
GB2474529A (en) * | 2010-03-10 | 2011-04-20 | Green Structures Ltd | Heat recovery ventilation system |
DE102008058817B4 (en) * | 2008-11-25 | 2013-07-04 | Horst Hinterneder | Air-air heat exchanger |
WO2013041066A3 (en) * | 2011-09-20 | 2013-08-22 | 2Vv S.R.O. | Counterflow cylindrical recuperative heat exchanger with multi-thread screw-like coiled heat exchanger surfaces, designed for ventilating devices |
CN103486888A (en) * | 2013-09-24 | 2014-01-01 | 无锡市威海达机械制造有限公司 | Depth heat exchanger |
DE102013111290B3 (en) | 2013-10-14 | 2014-08-21 | ROOS GmbH | Air-to-air heat exchanger for ventilating system, has ventilator arranged at end of cylindrical case and plastic insulation sleeve covering inside wall of case in center sections region and constricting case inner diameter |
WO2016096965A1 (en) * | 2014-12-18 | 2016-06-23 | Maico Elektroapparate-Fabrik Gmbh | Heat exchanger and air device having said heat exchanger |
WO2019017831A1 (en) * | 2017-07-21 | 2019-01-24 | Air To Air Sweden Ab | Coaxial flow distribution device |
CN109373493A (en) * | 2018-10-17 | 2019-02-22 | 苏群健 | A kind of balcony indoor and outdoor air interchanger |
WO2020161578A1 (en) * | 2019-02-05 | 2020-08-13 | Zehnder Group International Ag | Heat transfer system and ventilating system |
NO20190522A1 (en) * | 2019-02-22 | 2020-08-24 | Peakvent As | Ventilation unit |
EP3910257A1 (en) * | 2020-04-24 | 2021-11-17 | NEOKLIMA Sp. z o.o. | Wireless ventilation system supplied from integrated wind-photovoltaic panel |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009017053A1 (en) * | 2009-04-09 | 2010-10-14 | Reinhart, Anton | Heat exchanger device for use in e.g. home, has heat exchanger accommodated in heat exchanger module, and operating components that are active, during device operation, held in component modules and assigned to one of air streams |
EP2325573B1 (en) | 2009-11-19 | 2015-09-09 | Poloplast GmbH & Co. KG | Building ventilation device |
CN105737314A (en) * | 2016-02-29 | 2016-07-06 | 青岛海尔空调器有限总公司 | Fresh air exchange device and air conditioner |
CN114183830B (en) * | 2021-12-03 | 2023-11-03 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
Citations (6)
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---|---|---|---|---|
GB685396A (en) * | 1950-10-10 | 1953-01-07 | Maurice Vane | Improvements in means for heating and ventilating buildings |
DE2720569A1 (en) * | 1977-05-07 | 1978-11-09 | Pollrich Paul Gmbh & Co | Heat recovery room air ventilator - has concentric tubes enclosed with radial sector channels with connections |
DE4202970A1 (en) * | 1992-02-03 | 1993-08-05 | Klingenburg Gmbh | Ventilation for inner rooms - comprises heat storage unit through which air flows from outside to in and inside to out by ventilator |
DE69016674T2 (en) * | 1989-12-06 | 1995-10-19 | Turbovent As | HEAT RECOVERY FAN. |
JP2002039605A (en) * | 2000-07-24 | 2002-02-06 | Ichimon Kiko Kk | Double pipe ventilation duct |
DE19903280C2 (en) * | 1999-01-28 | 2002-05-16 | Theodor Blum | Ventilation unit |
-
2005
- 2005-07-27 DE DE102005035712A patent/DE102005035712A1/en not_active Ceased
-
2006
- 2006-07-27 DE DE102006035531A patent/DE102006035531A1/en not_active Ceased
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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GB685396A (en) * | 1950-10-10 | 1953-01-07 | Maurice Vane | Improvements in means for heating and ventilating buildings |
DE2720569A1 (en) * | 1977-05-07 | 1978-11-09 | Pollrich Paul Gmbh & Co | Heat recovery room air ventilator - has concentric tubes enclosed with radial sector channels with connections |
DE69016674T2 (en) * | 1989-12-06 | 1995-10-19 | Turbovent As | HEAT RECOVERY FAN. |
DE4202970A1 (en) * | 1992-02-03 | 1993-08-05 | Klingenburg Gmbh | Ventilation for inner rooms - comprises heat storage unit through which air flows from outside to in and inside to out by ventilator |
DE19903280C2 (en) * | 1999-01-28 | 2002-05-16 | Theodor Blum | Ventilation unit |
JP2002039605A (en) * | 2000-07-24 | 2002-02-06 | Ichimon Kiko Kk | Double pipe ventilation duct |
Non-Patent Citations (2)
Title |
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PAJ & JP 2002039605 A * |
PAJ-JP 2002039605 A |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005045734B4 (en) * | 2004-09-23 | 2010-04-29 | Josef Bachmaier | Heat exchanger with arranged on this conveyor |
EP1962031A3 (en) * | 2007-02-21 | 2009-03-18 | Robert Bosch GmbH | Heat recovery module |
EP1962031A2 (en) * | 2007-02-21 | 2008-08-27 | Robert Bosch GmbH | Heat recovery module |
GB2452927B (en) * | 2007-09-18 | 2012-09-19 | Vent Axia Group Ltd | A heat recovery ventilation device |
EP2077428A3 (en) * | 2007-09-18 | 2010-02-03 | Vent-Axia Group Limited | A heat exchanger a heat exchanger element therefor and a method of assembling a heat exchanger element |
DE102008058817B4 (en) * | 2008-11-25 | 2013-07-04 | Horst Hinterneder | Air-air heat exchanger |
US9151512B2 (en) | 2010-03-10 | 2015-10-06 | Ventive Limited | Ventilation system |
GB2474529A (en) * | 2010-03-10 | 2011-04-20 | Green Structures Ltd | Heat recovery ventilation system |
GB2474529B (en) * | 2010-03-10 | 2011-09-21 | Green Structures Ltd | Ventilation system |
WO2013041066A3 (en) * | 2011-09-20 | 2013-08-22 | 2Vv S.R.O. | Counterflow cylindrical recuperative heat exchanger with multi-thread screw-like coiled heat exchanger surfaces, designed for ventilating devices |
CN103486888A (en) * | 2013-09-24 | 2014-01-01 | 无锡市威海达机械制造有限公司 | Depth heat exchanger |
DE102013111290B3 (en) | 2013-10-14 | 2014-08-21 | ROOS GmbH | Air-to-air heat exchanger for ventilating system, has ventilator arranged at end of cylindrical case and plastic insulation sleeve covering inside wall of case in center sections region and constricting case inner diameter |
WO2015055435A1 (en) | 2013-10-14 | 2015-04-23 | ROOS GmbH | Air-air heat exchanger |
US9976767B2 (en) | 2013-10-14 | 2018-05-22 | ROOS GmbH | Air-to-air heat exchanger |
EA037122B1 (en) * | 2014-12-18 | 2021-02-09 | Майко Электроаппарате-Фабрик Гмбх | Heat exchanger and air device provided therewith |
WO2016096965A1 (en) * | 2014-12-18 | 2016-06-23 | Maico Elektroapparate-Fabrik Gmbh | Heat exchanger and air device having said heat exchanger |
US11486649B2 (en) | 2014-12-18 | 2022-11-01 | Maico Elektroapparate-Fabrik Gmbh | Cylindrical air to air heat exchanger |
WO2019017831A1 (en) * | 2017-07-21 | 2019-01-24 | Air To Air Sweden Ab | Coaxial flow distribution device |
CN109373493B (en) * | 2018-10-17 | 2020-12-04 | 杭州迪喾软件科技有限公司 | Indoor and outdoor air interchanger for balcony |
CN109373493A (en) * | 2018-10-17 | 2019-02-22 | 苏群健 | A kind of balcony indoor and outdoor air interchanger |
WO2020161578A1 (en) * | 2019-02-05 | 2020-08-13 | Zehnder Group International Ag | Heat transfer system and ventilating system |
NO20190522A1 (en) * | 2019-02-22 | 2020-08-24 | Peakvent As | Ventilation unit |
NO345384B1 (en) * | 2019-02-22 | 2021-01-11 | Peakvent As | Ventilation unit |
EP3910257A1 (en) * | 2020-04-24 | 2021-11-17 | NEOKLIMA Sp. z o.o. | Wireless ventilation system supplied from integrated wind-photovoltaic panel |
Also Published As
Publication number | Publication date |
---|---|
DE102006035531A1 (en) | 2008-01-31 |
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