US20070158049A1 - Ventilation system - Google Patents
Ventilation system Download PDFInfo
- Publication number
- US20070158049A1 US20070158049A1 US11/464,682 US46468206A US2007158049A1 US 20070158049 A1 US20070158049 A1 US 20070158049A1 US 46468206 A US46468206 A US 46468206A US 2007158049 A1 US2007158049 A1 US 2007158049A1
- Authority
- US
- United States
- Prior art keywords
- air
- heat
- exchanger
- exchange element
- channel
- 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.)
- Abandoned
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Classifications
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- 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
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- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- 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
-
- 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
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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]
- Y02B30/56—Heat recovery units
Definitions
- the present invention relates to a ventilation system, more particularly, to a ventilation system which improves heat-exchanging efficiency in a heat-exchanger.
- ventilation means to make room air pleasant. More specifically, ventilation means to discharge and remove polluted room air outside to supply fresh outside air to a room, thereby making pleasant indoor circumstances maintained.
- Air within an airtight space may contain more carbon dioxide due to human perspiration as time goes by.
- the high carbon dioxide content in a room may affect the human perspiration.
- a ventilation system is commonly used at that time.
- the heat-exchanging type ventilation system includes a heat-exchanger 1 having a box shape, an air-supply channel in communication with an outside and an air-exhaust channel in communication with an inside of a room.
- the heat-exchanger 1 is generally box-shaped and has an air-supply fan 15 , an air-exhaust fan 25 and a heat-exchange element 5 provided therein.
- the air-supply channel and the air-exhaust channel pass through the heat-exchanger 1 .
- the air-supply channel passes an air-supply inlet 11 , the inside of the heat-exchanger 1 and an air-supply outlet 13 .
- the air-exhaust channel passes through an air-exhaust inlet 21 , the inside of the heat-exchanger 1 and an air-exhaust outlet 23 .
- a first end of the internal air-exhaustion duct is in communication with a room and a second end thereof is connected to the air-exhaustion inlet 21 of the heat-exchanger 1 .
- a first end of the external air-exhaustion duct is connected to the air-exhaust outlet 23 of the heat-exchanger 1 and a second end thereof is in communication with an outside.
- a first end of the external air-supply duct is in communication with an outside and a second thereof is connected to the air-supply inlet 11 of the heat-exchanger 1 .
- a first end of the internal air-supply duct is connected to the air-supply outlet 13 of the heat-exchanger 1 and a second end thereof is in communication with a room.
- the air-supply fan 15 is operated to generate absorption force for absorbing outside air (OA).
- OA outside air
- SA supply air
- the air-exhaust fan 25 is operated to generate absorption force for absorbing room air (RA).
- RA room air
- EA exhaust air
- room air (RA) is drawn to a first lower portion of the heat-exchange element 5 from the inside of the heat-exchanger 1 and discharged to a first upper portion of the heat-exchange element 5 , and then the room air (RA) is out of the heat-exchanger 1 .
- outside air (OA) is drawn to a second lower portion of the heat-exchange element 5 from the inside of the heat-exchanger 1 and discharged to a second upper portion of the heat-exchange element 5 , and then the outside air (OA) is out of the heat-exchanger 1 .
- a heat-exchange element in which heat is exchanged by only temperature difference between the room air (RA) and the outside air (OA) is called as ‘sensible-heat-exchange element’.
- a heat-exchange element in which heat is exchanged by humidity difference between RA and OA rather than the temperature difference is called as ‘total-heat-exchange element’.
- the size of the heat-exchange element 5 should be large to enhance heat-exchanging efficiency, thereby causing a problem that the height of the heat-exchanger 1 should be high.
- the volume of the heat-exchange element 5 should be large.
- the heat-exchanger 1 generally, is installed on a ceiling of a room, the height of the heat-exchanger 1 is getting high to enlarge the volume of the heat-exchange element 5 . Thereby, to compensate that, there may be a problem that the height between each floor of a building should be higher.
- the height of the heat-exchanger 1 is not more than a predetermined height and there have been demands for a heat-exchanger 1 which can enhance heat-exchanging efficiency without enlarging the height of the heat-exchanger 1 .
- the conventional heat-exchanger 1 has a problem of high production cost, because the heat-exchange element 5 should be changed according to the size of the heat-exchanger 1 .
- the present invention is directed to a ventilation system.
- An object of the present invention is to provide a ventilation system which can maintain height of a heat-exchanger uniformly with high heat-exchange efficiency.
- a ventilation system includes a heat-exchanger having at least two unit heat-exchange elements arranged in parallel for heat exchange between supplied outside air and exhausted room air; an air-supply duct having one side for making an outdoors be in communication with an inside of the heat-exchanger and the other side for making an indoor space be in communication with the inside of the heat-exchanger to supply outside air into the indoor space; an air-exhaust duct having one side for making the indoor space be in communication with the inside of the heat-exchanger and the other side for making the outdoors be in communication with the inside of the heat-exchanger to exhaust room air outdoors, wherein an air-supply channel is formed for making one side of the air-supply duct be in communication with the other side of the air-supply duct, and an air-exhaust channel is formed in a diagonal direction of the air-supply channel for making one side of the air-exhaust duct be in
- the ventilation system of present invention may further includes an air-supply fan scroll having an air-supply fan for supplying outside air into the indoor space in the air-supply channel and a motor for operating the air-supply fan, and an air-exhaust fan scroll having an air-exhaust fan for exhausting room air outdoor in the air-exhaust channel and a motor for operating the air-exhaust fan.
- the air-supply fan scroll and the air-exhaust fan scroll may be provided in the same portion of the heat-exchanger with respect to the heat-exchange element.
- the air-supply channel and the air-exhaust channel may be in right/left and upward/downward symmetry.
- the ventilation system further comprises a guide for partitioning off the air-supply channel and the air-exhaust channel.
- the heat-exchanger further includes a bypass channel for supplying outside air into the indoor space without outside air passing the unit heat-exchange element, and a bypass damper for selectively shutting off the bypass channel.
- the air-supply fan and the air-exhaust fan may be double suction fans, respectively.
- the unit heat-exchange element is a total-heat-exchange element. More specifically, the unit heat-exchange element may be a hexagonal parallel type heat-exchange element.
- the air passing through the unit heat-exchange element is drawn from an air drawing surface of the unit heat-exchange element in a diagonal direction with respect to a center of the unit heat-exchange element and discharged from an air discharging surface of the unit heat-exchanging surface in a diagonal direction with respect to a center of the unit heat-exchange element.
- the ventilation system according to the present invention may further include a channel guide casing formed on an air drawing surface and an air discharging surface of the unit heat-exchange element to drawn/discharge air in a diagonal direction with respect to the center of the unit heat-exchange element.
- the air-supply channel and the air-exhaust channel are partitioned by a guide within the heat-exchanger, the air-supply channel and the air-exhaust channel are in a right/left and upward/downward symmetry within the heat-exchanger.
- the ventilation system of the present invention has following advantageous effects.
- the ventilation system of the present invention has an advantageous effect of less pressure loss, because an air path within the heat-exchanger, especially within the heat-exchange element, is improved into a right/left and upward/downward air path.
- the ventilation system of the present invention has another advantageous effect of high heat-exchange efficiency, because the volume of the heat-exchange element is enlarged without increasing the height of the heat-exchanger.
- the ventilation system of the present invention has still another advantageous effect that capacity change of a ventilation system may be appropriately dealt with, because the heat-exchange element has a configuration in which the unit heat-exchange elements are connected in parallel.
- the ventilation system of the present invention has still another advantageous effect of reduced pressure loss, because the air channel drawn/discharged into/from the unit heat-exchange element is improved more smoothly by the channel guide casing.
- FIG. 1 is a perspective view illustrating key parts of a conventional ventilation system according to the related art
- FIG. 2 is a perspective view illustrating a ventilation system according to an embodiment of the present invention
- FIG. 3 is perspective view illustrating a path within a heat-exchange element of a ventilation system according to the embodiment of the present invention.
- FIG. 4 is a perspective view schematically illustrating a configuration of a heat-exchanger of a ventilation system according to another embodiment of the present invention.
- a ventilation system includes a heat-exchanger 100 , an air-supply duct (not shown), an air-exhaust duct (not shown), an air-supply channel 120 and air-exhaust channel 130 .
- a heat-exchange element 140 is provided in the heat-exchanger 100 to allow supplied outside air (OA) and exhausted room air (RA) heat-exchanged.
- the heat-exchange element 140 has at least two unit heat-exchange elements 141 connected each other in parallel. In FIG. 2 , six unit heat-exchange elements 141 are connected in parallel.
- the unit heat-exchange element 141 may be a sensible-heat-exchange element which exchanges heat-exchanges by using temperature difference between the outside air (OA) and the room air (RA).
- the unit heat-exchange element 141 is a total-heat-exchange element which heat-exchanges by using humidity difference as well as temperature difference to enhance heat-exchanging efficiency.
- An air-supply duct has one side for making an outdoors be in communication with an inside of the heat-exchanger 100 and the other side for making an indoor space be in communication with the inside of the heat-exchanger 100 to supply outside air (OA) into the indoor space.
- OA outside air
- an air-exhaust duct has one side for making the indoor space be in communication with the inside of the heat-exchanger 100 and the other side for making the outdoors be in communication with the inside of the heat-exchanger 100 to exhaust room air (RA) into the room.
- RA room air
- An air-supply channel 120 is formed for making one side of the air-supply duct be in communication with the other side of the air-supply duct and an air-exhaust channel 130 is formed for making one side of the air-exhaust duct be in communication with the other side of the air-exhaust duct within the heat-exchanger.
- the air-supply channel 120 and the air-exhaust channel 130 pass through the heat-exchanger 100 and cross each other in a diagonal direction within the heat-exchanger 100 .
- an air-exhaust channel ( 130 , illustrated as dotted line arrows in the drawings) is formed within the heat-exchanger 100 so that room air (RA) is drawn into the heat-exchange element 140 through an air-exhaust inlet 131 and drawn from a first lower portion of the heat-exchanger 100 into the heat-exchange element 140 to be discharged from a second upper portion of the heat-exchanger 100 to the outdoors through an air-exhaust outlet 132 .
- an air-supply channel 120 , illustrated as solid line arrows in the drawings is formed so that outside air (OA) is drawn into the heat-exchanger 100 through an air-supply inlet 121 and drawn from a first upper portion of the heat-exchanger 100 into the heat-exchange element 140 to be drawn from a second lower portion of the heat-exchanger 100 into the indoor space through an air-supply outlet 122 .
- the air-supply channel 120 and air-exhaust channel 130 within the heat-exchanger 100 are diagonally formed.
- the heat-exchanger 100 of the present invention has less air inflow resistance than the heat-exchanger of the related art illustrated in FIG. 1 .
- Two chambers are formed in both opposite sides within the heat-exchanger 100 with respect to the heat-exchange element 140 to divide a case 110 of the heat-exchanger 100 into an upper/lower chamber, and the upper and lower chamber are partitioned by a guide 146 .
- the air-supply channel 120 and the air-exhaust channel 130 formed within the heat-exchanger 100 which has had one case 110 are in right/left and upward/downward symmetry.
- an air-supply fan scroll 125 and an air-exhaust fan scroll 135 are provided within the heat-exchanger 100 .
- the air-supply fan scroll 125 includes an air-supply fan for supplying outside air (OA) into the indoor space in the air-supply channel 120 and a motor for operating the air-supply fan.
- the air-exhaust fan scroll 135 includes an air-supply fan for exhausting room air (RA) outdoors in the air-exhaust channel 130 and a motor for operating the air-exhaust fan. That is for enabling a compact configuration of the heat-exchanger 100 and for facilitating the installment of the entire ventilation system without any difficulties.
- the air-supply fan scroll 125 and the air-exhaust fan scroll 135 are provided in the same portion of the heat-exchanger 100 with respect to the heat-exchange element 140 so that the air-exhaust channel 130 and the air-supply channel 120 may be formed in a diagonal direction and air may be drawn without being pushed to uniformly distribute air inflow into each unit heat-exchange element 141 connected in parallel.
- the air-supply fan and the air-exhaust fan are double suction fans.
- a reference number of 145 which is not described is a bypass channel and the bypass channel will be described in another embodiment of the present invention later.
- the heat-exchange element 141 of the heat-exchanger 100 includes at least two unit heat-exchange elements 141 connected each other in parallel.
- FIG. 2 Although a hexagonal unit heat-exchange element 141 is illustrated in FIG. 2 , it is also possible that a conventional tetragonal heat-exchange element, which makes an air path therein a cross flow type, may be used as a unit heat-exchange element.
- hexagonal unit heat-exchange element 141 which makes an air path a parallel flow type is preferred to enhance heat-exchanging efficiency.
- the parallel flow type is similar to a counter flow type of a conventional hexagonal heat-exchange element.
- An air path of the conventional counter flow type is in parallel each other and the direction of air flow is opposite.
- the air path of the parallel flow type is in parallel each other and the direction of air flow is also the same.
- FIG. 3 schematically illustrates an air path within the unit heat-exchange element 141 and FIG. 3 illustrates the unit heat-exchange element 141 of FIG. 2 which is laid down on description's sake.
- an air path layer 148 where room air (RA) is drawn and exhausted outdoors and an air path layer 149 where outside air (OA) is drawn and exhausted into the indoor space are overlapped in the unit heat-exchange element 141 .
- a heat-exchange film (not shown) is provided between the air path layers to allow heat between both layers exchanged.
- a rear right surface of the unit heat-exchange element 141 with respect to the unit heat-exchange element 141 is an air drawing surface where room air (RA) is drawn, and a front left surface thereof with respect to the unit heat-exchange element 141 is an air discharging surface where heat-exchanged room air (RA) is exhausted.
- a front right surface of the unit heat-exchange element 141 with respect to the unit heat-exchange element 141 is an air drawing surface where outside air (OA) is drawn, and a rear left surface thereof with respect to the unit heat-exchange element 141 is an air discharging surface where outside air (OA) is exhausted.
- Heat-exchanging within the unit heat-exchange element 141 is performed in a cross flow type, after air is drawn into the unit heat-exchange element 141 and before air is discharged. Hence, an air path is formed in parallel in a center of the unit heat-exchange element 141 to perform heat-exchanging in a parallel flow type.
- heat-exchange ratio is higher in a counter flow type or a parallel flow type (the parallel flow type according to the present invention) than in the cross flow type.
- the volume of the heat-exchange element 140 may be enlarged by parallel connection of the unit heat-exchange element 141 as required in a ventilation system with a high air force. Thereby, heat-exchanging efficiency may be enhanced by enlarging the number of the unit heat-exchange element 141 . At that time, it is preferred that the unit heat-exchange element 141 is attachable/detachable in a vertical direction of the heat-exchanger 100 .
- the number of the unit heat-exchange element 141 is adjusted without changing the entire heat-exchanger 100 or the heat-exchange element 140 even in case that the capacity of the ventilation system is changed. Thereby, capacity variation may be appropriately dealt with.
- FIG. 4 another embodiment of the present invention will be described and the same description as the embodiment will be omitted.
- FIG. 4 is a perspective view illustrating a heat-exchanger of a ventilation system according to another embodiment of the present invention.
- the same unit heat-exchange element as the embodiment is provided. But, it is different that a predetermined guide casing is further provided on an air inlet surface and an air outlet surface of the unit heat-exchange element and the other configurations are the same.
- a channel guide casing 242 and 243 is further provided on an upper portion of the each unit heat-exchange element 241 .
- drawn outside air is not perpendicularly drawn toward a center of unit heat-exchange element 241 , but diagonally drawn into an air drawn surface by the channel guide casing 242 and 243 .
- a left portion of the channel guide 243 forms a channel for allowing air drawn therein in a predetermined direction of the air drawn surface of the unit heat-exchange element 241 .
- an air path drawn into the unit heat-exchange element 241 is formed narrowly by the left portion of the channel guide casing 242 and 243 . Thereby, the channel may be formed smoothly to reduce pressure loss.
- outside air (OA) drawn in a diagonal direction is heat-exchanged within the heat-exchange element 240 and discharged outside by the channel guide casing 242 and 243 formed in a lower portion of the each unit heat-exchange element 241 .
- outside air (OA) is diagonally discharged from the air discharging surface of the unit heat-exchange element 241 .
- the channel guide casing 242 and 243 is provided on the air drawing surface and the air discharging surface of the unit heat-exchange element 241 to form a channel drawing/discharging air in a diagonal direction with respect to the center of the unit heat-exchange element 241 , not in a perpendicular direction.
- Room air (RA) drawn through an air-exhaust inlet 221 is diagonally drawn in a lower left direction of the unit heat-exchange element 241 and diagonally discharged in an upper right direction of the unit heat-exchange element 241 .
- the channel of the unit heat-exchange element 241 is formed in a right/left and upward/downward direction, the shape of the channel drawn/discharged into/from each unit heat-exchange element 241 may be formed smoothly.
- the air-supply channel and the air-exhaust channel are formed in an S-shape from a view of the entire heat-exchanger 200 .
- the ventilation system according to the present invention has an advantageous effect that pressure loss may be reduced.
- the heat-exchanger 100 and 200 of the ventilation system according to the present invention further includes a bypass channel 145 and 245 for supplying outside air into the indoor space without outside air passing the unit heat-exchange element, and a bypass damper (not shown) for selectively shutting off the bypass channel.
- a bypass channel 145 and 245 for supplying outside air into the indoor space without outside air passing the unit heat-exchange element, and a bypass damper (not shown) for selectively shutting off the bypass channel.
- bypass channel 145 and 245 connected to the air-exhaust fan scroll 135 and 235 is opened without room air (RA) exhausted outdoors passing the heat-exchange element 140 and 240 .
- the bypass damper (not shown) selectively opens the bypass channel.
- the bypass channel 145 and 245 and the bypass damper may be provided in the channel supplied into a room or both channels supplied/exhausted into/to a(n) room/outside.
- the heat-exchanger 100 and 200 of the ventilation system according to the present invention may perform air cleansing as well as heat-exchange, because a filter (not shown) is further provided for filtering foreign substances of air before air is drawn into the heat-exchange element 140 and 240 .
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Central Air Conditioning (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2005-0074693 | 2005-08-16 | ||
KR1020050074693A KR100651879B1 (ko) | 2005-08-16 | 2005-08-16 | 환기시스템 |
Publications (1)
Publication Number | Publication Date |
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US20070158049A1 true US20070158049A1 (en) | 2007-07-12 |
Family
ID=37731532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/464,682 Abandoned US20070158049A1 (en) | 2005-08-16 | 2006-08-15 | Ventilation system |
Country Status (4)
Country | Link |
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US (1) | US20070158049A1 (zh) |
JP (1) | JP2007051864A (zh) |
KR (1) | KR100651879B1 (zh) |
CN (1) | CN100441969C (zh) |
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EP2314941A1 (en) * | 2008-08-22 | 2011-04-27 | Mitsubishi Electric Corporation | Heat exchanging ventilation equipment |
DE102010045381A1 (de) * | 2010-09-14 | 2012-03-15 | Gea Heat Exchangers Gmbh | Wärmeaustauscher |
BE1019835A3 (nl) * | 2011-02-22 | 2013-01-08 | Aeropulmo Bv Met Beperkte Aansprakelijkheid | Ventilatie-eenheid. |
US20130059523A1 (en) * | 2011-09-01 | 2013-03-07 | Jeongtae RYU | Ventilation apparatus |
FR2995064A1 (fr) * | 2012-09-06 | 2014-03-07 | Systel | Dispositif de ventilation d'une construction, notamment d'un batiment d'elevage, du type positionnable sous toiture |
FR2995387A1 (fr) * | 2012-09-12 | 2014-03-14 | Aldes Aeraulique | Caisson pour groupe de ventilation mecanique controlee a double flux d'un local |
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US20170045257A1 (en) * | 2015-08-14 | 2017-02-16 | Trane International Inc. | Heat exchange assembly in an air to air heat exchanger |
DE102015013641A1 (de) * | 2015-10-21 | 2017-04-27 | Howatherm Klimatechnik Gmbh | Rekuparatives Verfahren zur Wärmerückgewinnung mit festen Austauschflächen sowie raumlufttechnische Anlage mit zumindest einem Trennflächen-Wärmeübertrager |
EP2366961A3 (de) * | 2010-03-08 | 2017-08-16 | Kampmann GmbH | Verfahren und Vorrichtung zum Lüften eines Objekts |
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US11035586B2 (en) | 2012-02-02 | 2021-06-15 | Carrier Corporation | Energy recovery ventilator |
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US11435109B2 (en) * | 2017-03-24 | 2022-09-06 | Mitsubishi Electric Corporation | Ventilator |
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EP2314941A4 (en) * | 2008-08-22 | 2012-03-14 | Mitsubishi Electric Corp | HEAT EXCHANGE VENTILATION DEVICE |
EP2314941A1 (en) * | 2008-08-22 | 2011-04-27 | Mitsubishi Electric Corporation | Heat exchanging ventilation equipment |
EP2366961A3 (de) * | 2010-03-08 | 2017-08-16 | Kampmann GmbH | Verfahren und Vorrichtung zum Lüften eines Objekts |
DE102010045381A1 (de) * | 2010-09-14 | 2012-03-15 | Gea Heat Exchangers Gmbh | Wärmeaustauscher |
BE1019835A3 (nl) * | 2011-02-22 | 2013-01-08 | Aeropulmo Bv Met Beperkte Aansprakelijkheid | Ventilatie-eenheid. |
US20130059523A1 (en) * | 2011-09-01 | 2013-03-07 | Jeongtae RYU | Ventilation apparatus |
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US11035586B2 (en) | 2012-02-02 | 2021-06-15 | Carrier Corporation | Energy recovery ventilator |
EP2815186B1 (de) * | 2012-02-17 | 2022-12-21 | Kampmann GmbH & Co. KG | Vorrichtung zur kühlung und/oder wärmerückgewinnung |
EP2815186A2 (de) * | 2012-02-17 | 2014-12-24 | Kampmann GmbH | Vorrichtung zur kühlung und/oder wärmerückgewinnung |
FR2995064A1 (fr) * | 2012-09-06 | 2014-03-07 | Systel | Dispositif de ventilation d'une construction, notamment d'un batiment d'elevage, du type positionnable sous toiture |
FR2995387A1 (fr) * | 2012-09-12 | 2014-03-14 | Aldes Aeraulique | Caisson pour groupe de ventilation mecanique controlee a double flux d'un local |
WO2014041309A1 (fr) * | 2012-09-12 | 2014-03-20 | Aldes Aeraulique | Caisson pour groupe de ventilation mecanique contrôlee a double flux d'un local |
US10335726B2 (en) * | 2014-08-29 | 2019-07-02 | Fuji Xerox Co., Ltd. | Gas purification device and image forming apparatus |
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US20170045257A1 (en) * | 2015-08-14 | 2017-02-16 | Trane International Inc. | Heat exchange assembly in an air to air heat exchanger |
DE102015013641A9 (de) * | 2015-10-21 | 2017-06-22 | Howatherm Klimatechnik Gmbh | Rekuparatives Verfahren zur Wärmerückgewinnung mit festen Austauschflächen sowie raumlufttechnische Anlage mit zumindest einem Trennflächen-Wärmeübertrager |
DE102015013641A1 (de) * | 2015-10-21 | 2017-04-27 | Howatherm Klimatechnik Gmbh | Rekuparatives Verfahren zur Wärmerückgewinnung mit festen Austauschflächen sowie raumlufttechnische Anlage mit zumindest einem Trennflächen-Wärmeübertrager |
US20190285308A1 (en) * | 2016-02-19 | 2019-09-19 | Mitsubishi Electric Corporation | Heat-exchanging ventilation device, method for attaching heat exchanger, and method for detaching heat exchanger |
US11002462B2 (en) * | 2016-02-19 | 2021-05-11 | Mitsubishi Electric Corporation | Heat-exchanging ventilation device, method for attaching heat exchanger, and method for detaching heat exchanger |
US11435109B2 (en) * | 2017-03-24 | 2022-09-06 | Mitsubishi Electric Corporation | Ventilator |
US11988460B2 (en) * | 2017-05-30 | 2024-05-21 | Shell Usa, Inc. | Method of using an indirect heat exchanger and facility for processing liquefied natural gas comprising such heat exchanger |
EP3988854A1 (de) | 2020-10-21 | 2022-04-27 | Viessmann Climate Solutions SE | Verschlusseinheit einer lüftungsvorrichtung |
WO2022084156A1 (de) | 2020-10-21 | 2022-04-28 | Viessmann Climate Solutions Se | Verschlusseinheit einer lüftungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
CN100441969C (zh) | 2008-12-10 |
KR100651879B1 (ko) | 2006-12-01 |
JP2007051864A (ja) | 2007-03-01 |
CN1916517A (zh) | 2007-02-21 |
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