CN201202381Y - Bidirectional ventilated energy-saving window - Google Patents
Bidirectional ventilated energy-saving window Download PDFInfo
- Publication number
- CN201202381Y CN201202381Y CNU2008200902725U CN200820090272U CN201202381Y CN 201202381 Y CN201202381 Y CN 201202381Y CN U2008200902725 U CNU2008200902725 U CN U2008200902725U CN 200820090272 U CN200820090272 U CN 200820090272U CN 201202381 Y CN201202381 Y CN 201202381Y
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- China
- Prior art keywords
- air
- window frame
- flow fan
- cross flow
- air outlet
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- Expired - Lifetime
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A bidirectional ventilating energy-saving window relates to a ventilating energy-saving window. The utility model solves the problems existing in a current airflow window of uneven airflow, insufficient cross countercurrent flow, large work noise, difficult adjustment of flow capacity and large motor power and the like. The first technical scheme of the utility model is that an air supply box (9) and a ventilating box (10) are respectively installed on the upper end surface and the lower end surface of a window frame (4), an outdoor air outlet (12) is opened on a lower edge (4-1) on the outer side of the window frame (4), and an indoor air outlet (11) is opened on the upper edge (4-2) on the inner side of the window frame (4). The second technical scheme of the utility model is that the air supply box (9) and the ventilating box (10) are parallel installed on the upper end surface of the window frame (4), and an outdoor exhaust outlet (14) and the outdoor air outlet (12) are opened on the lower edge (4-1) on the outer side of the window frame (4) from top to bottom in turn, and the indoor air inlet (11) is opened on the inner side wall of the air supply box (9). The first technical scheme and the second technical scheme of the utility model both have the advantages of even air flow, sufficient heat exchange, small work noise, easy adjustment of flow capacity and small motor power and the like.
Description
Technical field
The utility model relates to a kind of ventilated energy-saving window.
Background technology
Builing industry is consuming the huge natural resource and the wealth of society, the total amount of Chinese architecture energy consumption rises year by year, in energy aggregate consumption shared ratio from last century late nineteen seventies 10% rise in recent years 27.45%, and the energy consumption of heating and air-conditioning accounts for 55% of building total energy consumption.Indoor environment is that people contact one of frequent, the closest external environment, and people have the time more than 80% to spend indoor approximately, so the quality of room air is very important to health effects.Yet, often need to consume a large amount of energy when improving indoor air quality.
Energy-conservation and improve under the background of indoor air quality in current promotion, building circle a lot of correlation techniques of having arisen at the historic moment, but these technology all exist different limitation and problem demanding prompt solution.Such as the window type that heat-insulating property is good, the ventilation of must windowing, the natural ventilation big energy-consuming has weakened the advantage of itself seal strong low heat transfer coefficient; Double-deck hot channel glass curtain wall, the cost height requires building for multilayer or highrise building again, can't be widely applied in the housing construction; Air-flowing type window technology, this technology can improve indoor air quality or realize heat recovery and cut down the consumption of energy, or have concurrently and ventilate and the advantage of heat exchange.But there is limitation in this technology, and a part is a single channel air-flow window, only possess to indoor send into outdoor new wind or with room air row to outdoor simple function, energy-saving effect is undesirable; A part is a binary channels air-flow window, possesses the dual-use function that send new wind and get rid of indoor foul atmosphere to indoor, air-supply and air draft can be carried out heat exchange by the intermediate layer, has energy-saving effect preferably, but there is following problem in this air-flow window setting technique: adopting electric fan is that axial fan provides ventilation power, is subjected to the axial flow blower performance limitations.As axial air draught of axial flow blower or blowing, air flow chamber can not be directly aimed in the air port, and the size of blower fan can not match with the vented cavity size, and influence is sent, the uniformity of air distribution in the air draft process; After the axial flow aircraft was installed, what form in forms was the cross-counterflow heat exchange, and heat exchange area is little, easily formed the air-flow dead angle in the air channel, and exchange heat is abundant inadequately, and heat exchange efficiency is low; Noise of axial flow fan is big, has weakened the performance of air-flow window sound insulation and noise reduction; The axial flow blower flow is difficult for regulating, and working head is violent with changes in flow rate, and starting power is big, therefore needs to be equipped with the bigger motor of power.
The utility model content
The purpose of this utility model is for problem such as solve that the air current flow that existing air-flow window exists is inhomogeneous, the cross-counterflow heat exchange is insufficient, work noise is big, flow is difficult for regulating and power of motor is big, and then a kind of bidirectional ventilated energy-saving window is provided.
The technical solution of the utility model one is: bidirectional ventilated energy-saving window comprises glass outer sheet, intermediate layer transparent material body, inner layer glass sheet, window frame, air-supply cross flow fan, air draft cross flow fan, wind pushing box, air draft case and pin hand; Described pin hand is installed in the right side of inboard of window frame along last, described glass outer sheet, intermediate layer transparent material body and inner layer glass sheet are installed in the mounting groove of window frame from outside to inside successively, and form air-supply passage between described glass outer sheet and the intermediate layer transparent material body, form air exhaust passage between described intermediate layer transparent material body and the inner layer glass sheet, described wind pushing box and air draft case are installed in respectively on the upper surface and lower surface of window frame, have outdoor air outlet on the lower edge in the outside of described window frame, have indoor air outlet on the upper edge of the inboard of described window frame, have indoor air outlet on the inside wall of described wind pushing box, have outdoor air outlet on the lateral wall of described air draft case, described air-supply cross flow fan is installed in the wind pushing box, and the air draught end of air-supply cross flow fan is corresponding with air-supply passage, the air outlet of air-supply cross flow fan is corresponding with air outlet, described air draft cross flow fan is installed in the air draft case, and the air draught end of air draft cross flow fan is corresponding with air exhaust passage, and the air outlet of air draft cross flow fan is corresponding with air outlet.
The technical solution of the utility model two is: bidirectional ventilated energy-saving window comprises glass outer sheet, intermediate layer transparent material body, inner layer glass sheet, window frame, air-supply cross flow fan, air draft cross flow fan, wind pushing box, air draft case and pin hand; Described pin hand is installed in the right side of inboard of window frame along last, described glass outer sheet, intermediate layer transparent material body and inner layer glass sheet are installed in the mounting groove of window frame from outside to inside successively, and form air-supply passage between described glass outer sheet and the intermediate layer transparent material body, form air exhaust passage between described intermediate layer transparent material body and the inner layer glass sheet, described wind pushing box and air draft case are installed on the upper surface of window frame side by side, have outdoor air outlet and outdoor air outlet on the lower edge in the outside of described window frame from down to up successively, have indoor air outlet on the inside wall of described wind pushing box, have the indoor exhaust wind mouth on the inside wall of described air draft case, described air-supply cross flow fan is installed in the wind pushing box, and the air draught end of air-supply cross flow fan is corresponding with air-supply passage, the air outlet of air-supply cross flow fan is corresponding with indoor air outlet, described air draft cross flow fan is installed in the air draft case, and the air draught end of air draft cross flow fan is corresponding with air exhaust passage, and the air outlet of air draft cross flow fan is corresponding with the indoor exhaust wind mouth.
The utility model compared with prior art has following beneficial effect: the utility model is to pass through forced ventilation in the glass gap that forms between every layer glass, form air-supply and air exhaust passage respectively, in the ventilation process, heat transfer by intermediate layer glass realizes the adjusting of air draft to air-supply, reduces the new wind load of being sent into; Utilize air-supply to absorb solar radiation on daytime or long-wave radiation at night simultaneously, improve wind pushing temperature, further reduce the air-supply heat requirement; The cross flow fan noise is little, can improve the sound insulation and noise reduction performance of vent window; The cross flow fan flow is easily regulated, and the different demands of user to air quantity are content with very little; The width of cross flow fan and the length of window can be near equating, make novel bidirectional ventilated energy-saving window can form straight up and down vertical countercurrent heat exchange, thus the raising heat exchange efficiency; Cross flow fan starts steadily, and wasted work is little; The utility model has also been installed air filtration pieces, has avoided passage inner accumulated dust, is convenient to cleaning.The utlity model has to sum up that air current flow is even, heat exchange is abundant, work noise is little, flow is easily regulated, power of motor is little, be convenient to clean, sunshade in summer and improve the advantages such as accumulation of heat of window winter.
Description of drawings
Fig. 1 is that the overall structure master of first kind of scheme of the utility model looks schematic diagram, Fig. 2 is the A-A sectional view of Fig. 1, Fig. 3 is the B-B sectional view of Fig. 1, Fig. 4 is that the overall structure master of second kind of scheme of the utility model looks schematic diagram, Fig. 5 is the C-C sectional view of Fig. 4, Fig. 6 is the D-D sectional view of Fig. 4, and Fig. 7 is the structural representation that first kind of scheme of the utility model combines with common forms, and Fig. 8 is the structural representation that second kind of scheme of the utility model combines with common forms.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 3 present embodiment is described, present embodiment comprises glass outer sheet 1, intermediate layer transparent material body 2, inner layer glass sheet 3, window frame 4, air-supply cross flow fan 7, air draft cross flow fan 8, wind pushing box 9, air draft case 10 and pin hand 17; Described pin hand 17 is installed in the right side of inboard of window frame 4 along on the 4-3, described glass outer sheet 1, intermediate layer transparent material body 2 and inner layer glass sheet 3 are installed in the mounting groove of window frame 4 from outside to inside successively, and form air-supply passage 5 between described glass outer sheet 1 and the intermediate layer transparent material body 2, form air exhaust passage 6 between described intermediate layer transparent material body 2 and the inner layer glass sheet 3, described wind pushing box 9 and air draft case 10 are installed in respectively on the upper surface and lower surface of window frame 4, have outdoor air outlet 12 on the lower edge 4-1 in the outside of described window frame 4, have indoor air outlet 11 on the upper edge 4-2 of the inboard of described window frame 4, have indoor air outlet 13 on the inside wall of described wind pushing box 9, have outdoor air outlet 14 on the lateral wall of described air draft case, described air-supply cross flow fan 7 is installed in the wind pushing box 9, and the air draught end of air-supply cross flow fan 7 is corresponding with air-supply passage 5, the air outlet of air-supply cross flow fan 7 is corresponding with air outlet 13, described air draft cross flow fan 8 is installed in the air draft case 10, and the air draught end of air draft cross flow fan 8 is corresponding with air exhaust passage 6, and the air outlet of air draft cross flow fan 8 is corresponding with air outlet 14.
The specific embodiment two: present embodiment is described in conjunction with Fig. 2, the difference of the present embodiment and the specific embodiment one is, it also increases two air filtration pieces 16, the upper edge 4-2 that described two air filtration pieces 16 are separately positioned on the inboard of window frame 4 go up and the lower edge 4-1 in the outside of window frame 4 on, and the installation site of two air filtration pieces 16 is corresponding with indoor air outlet 11 and outdoor air outlet 12 respectively.So be provided with, be convenient to cleaning.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment three: in conjunction with Fig. 2 present embodiment is described, the difference of the present embodiment and the specific embodiment one is that it also increases roller shutter 18, and described roller shutter 18 is installed in the air exhaust passage 6.So be provided with, thereby the accumulation of heat that is used for sunshade summer and can improves window winter strengthens the heat exchange effect.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment four: in conjunction with Fig. 4～Fig. 6 present embodiment is described, present embodiment comprises glass outer sheet 1, intermediate layer transparent material body 2, inner layer glass sheet 3, window frame 4, air-supply cross flow fan 7, air draft cross flow fan 8, wind pushing box 9, air draft case 10 and pin hand 17; Described pin hand 17 is installed in the right side of inboard of window frame 4 along on the 4-3, described glass outer sheet 1, intermediate layer transparent material body 2 and inner layer glass sheet 3 are installed in the mounting groove of window frame 4 from outside to inside successively, and form air-supply passage 5 between described glass outer sheet 1 and the intermediate layer transparent material body 2, form air exhaust passage 6 between described intermediate layer transparent material body 2 and the inner layer glass sheet 3, described wind pushing box 9 and air draft case 10 are installed on the upper surface of window frame 4 side by side, have outdoor air outlet 14 and outdoor air outlet 12 on the lower edge 4-1 in the outside of described window frame 4 from down to up successively, have indoor air outlet 11 on the inside wall of described wind pushing box 9, have indoor exhaust wind mouth 13 on the inside wall of described air draft case 10, described air-supply cross flow fan 7 is installed in the wind pushing box 9, and the air draught end of air-supply cross flow fan 7 is corresponding with air-supply passage 5, the air outlet of air-supply cross flow fan 7 is corresponding with indoor air outlet 11, described air draft cross flow fan 8 is installed in the air draft case 10, and the air draught end of air draft cross flow fan 8 is corresponding with air exhaust passage 6, and the air outlet of air draft cross flow fan 8 is corresponding with indoor exhaust wind mouth 13.
The specific embodiment five: present embodiment is described in conjunction with Fig. 5, the difference of the present embodiment and the specific embodiment four is, it also increases two air filtration pieces 16, the lower edge 4-1 that described two air filtration pieces 16 are separately positioned on the outside of window frame 4 go up and the inside wall of air draft case 10 on, and the installation site of two air filtration pieces 16 is corresponding with outdoor air outlet 12 and indoor exhaust wind mouth 13 respectively.So be provided with, be convenient to cleaning.Other composition is identical with the specific embodiment four with annexation.
The specific embodiment six: in conjunction with Fig. 5 present embodiment is described, the difference of the present embodiment and the specific embodiment four is that it also increases roller shutter 18, and described roller shutter 18 is installed in the air exhaust passage 6.So be provided with, heat exchange is more abundant.Other composition is identical with the specific embodiment four with annexation.
Operating principle is (referring to Fig. 1～Fig. 8), the operating principle of technical solutions of the utility model one: the utility model is made up of indoor air-supply path and indoor exhaust wind path.Air-supply cross flow fan 7 is positioned at the wind pushing box 9 that is installed in the window frame upper end, with outdoor fresh air by in the outdoor air outlet 12 suction draft passages 5 that are arranged on the outer window frame lower edge, make the air-supply environment that forms negative pressure in the air-supply passage 5, fresh air is sent into indoor by the indoor air outlet 11 on the sidewall that is arranged on wind pushing box 9 indoor sides again, for avoiding air-supply passage 5 inner accumulated dusts, at first through the filtration of the wind pushing air filter 16 of the entrance that being installed in outdoor air outlet 12 before the outer air outlet 12 of outdoor air inlet chamber.Air draft cross flow fan 8 is positioned at the air draft case 10 that is installed in the window frame lower end, the indoor exhaust wind mouth 13 of room air by window frame upper edge in being arranged on sucked in the air exhaust passage 6, make the air draft environment that forms negative pressure in the air exhaust passage 6, discharge indoor foul atmosphere indoor by the outdoor air outlet 14 on the sidewall that is arranged on air draft case 10 outdoor sides again, for avoiding air exhaust passage 6 inner accumulated dusts, at first through the filtration of the air draft air filtration pieces 16 of the entrance that being installed in indoor exhaust wind mouth 13 in the room air inlet chamber before the air outlet 13, pin hand 17 is used to open intermediate layer sheet glass 2 and inner layer glass sheet 3 place sash, so that clean.The operating principle of technical solutions of the utility model two: the utility model is made up of air-supply path and air draft path, air-supply cross flow fan 7 is positioned at the wind pushing box 9 that is installed in the window frame upper end, in air-supply passage 5, take out outdoor fresh air by the outdoor air outlet 12 that is arranged on the outer window frame lower edge, make the air-supply environment that forms negative pressure in the air-supply passage 5, be close to the indoor air outlet 11 of air-supply cross flow fan 7 ports of export and fresh air sent into indoor by being arranged on wind pushing box 9 indoor sides again, for avoiding air-supply passage 5 inner accumulated dusts, at first through the filtration of the wind pushing air filter 16 of the entrance that being installed in outdoor air outlet 12 before the outer air outlet 1 of outdoor air inlet chamber.Air draft cross flow fan 8 is positioned at the air draft case 10 that is installed in the window frame upper end, be close to the indoor exhaust wind mouth 11 of exhaust blower 7 ports of export indoor foul atmosphere is blowed in the air exhaust passage 6 by being arranged on air draft case 10 indoor sides, make the air draft environment that forms malleation in the air exhaust passage 6, discharge indoor foul atmosphere indoor by the outdoor air outlet 14 that is arranged on the outer window frame lower edge again, for avoiding air exhaust passage 6 inner accumulated dusts, at first through the filtration of the air draft air filtration pieces 16 of the entrance that being installed in indoor exhaust wind mouth 13 in the room air inlet chamber before the air outlet 13.Pin hand 17 is used to open intermediate layer sheet glass 2 and inner layer glass sheet 3 place sash, so that clean.Bidirectional ventilated air-flow window in technical solutions of the utility model one and the technical solutions of the utility model two and common window make up respectively, form composite window.As long as in the window frame profile of window size and selection and novel bidirectional ventilated air-flow window coupling, when practical application according to the needs flexible combination of constructing.Composite window had both possessed the advantage of novel bidirectional ventilated air-flow window, possessed the good advantage of seal heat-insulating property of common convection current window again, simultaneously Combined window body can be opened or close more neatly, to satisfy the specific requirement of user under different condition.
Claims (6)
1, a kind of bidirectional ventilated energy-saving window, it comprises glass outer sheet (1), intermediate layer transparent material body (2), inner layer glass sheet (3), window frame (4), air-supply cross flow fan (7), air draft cross flow fan (8), wind pushing box (9), air draft case (10) and pin hand (17); Described pin hand (17) is installed in the right side of inboard of window frame (4) on (4-3), it is characterized in that described glass outer sheet (1), intermediate layer transparent material body (2) and inner layer glass sheet (3) are installed in the mounting groove of window frame (4) from outside to inside successively, and form air-supply passage (5) between described glass outer sheet (1) and the intermediate layer transparent material body (2), form air exhaust passage (6) between described intermediate layer transparent material body (2) and the inner layer glass sheet (3), described wind pushing box (9) and air draft case (10) are installed in respectively on the upper surface and lower surface of window frame (4), have outdoor air outlet (12) on the lower edge (4-1) in the outside of described window frame (4), have indoor air outlet (11) on the upper edge (4-2) of the inboard of described window frame (4), have indoor air outlet (13) on the inside wall of described wind pushing box (9), have outdoor air outlet (14) on the lateral wall of described air draft case, described air-supply cross flow fan (7) is installed in the wind pushing box (9), and the air draught end of air-supply cross flow fan (7) is corresponding with air-supply passage (5), the air outlet of air-supply cross flow fan (7) is corresponding with air outlet (13), described air draft cross flow fan (8) is installed in the air draft case (10), and the air draught end of air draft cross flow fan (8) is corresponding with air exhaust passage (6), and the air outlet of air draft cross flow fan (8) is corresponding with air outlet (14).
2, according to the described bidirectional ventilated energy-saving window of claim 1, it is characterized in that it also comprises two air filtration pieces (16), the upper edge (4-2) that described two air filtration pieces (16) are separately positioned on the inboard of window frame (4) go up and the lower edge (4-1) in the outside of window frame (4) on, and the installation site of two air filtration pieces (16) is corresponding with indoor air outlet (11) and outdoor air outlet (12) respectively.
3, according to claim 1 or 2 described bidirectional ventilated energy-saving windows, it is characterized in that it also comprises roller shutter (18), described roller shutter (18) is installed in the air exhaust passage (6).
4, a kind of bidirectional ventilated energy-saving window, it comprises glass outer sheet (1), intermediate layer transparent material body (2), inner layer glass sheet (3), window frame (4), air-supply cross flow fan (7), air draft cross flow fan (8), wind pushing box (9), air draft case (10) and pin hand (17); Described pin hand (17) is installed in the right side of inboard of window frame (4) on (4-3), it is characterized in that described glass outer sheet (1), intermediate layer transparent material body (2) and inner layer glass sheet (3) are installed in the mounting groove of window frame (4) from outside to inside successively, and form air-supply passage (5) between described glass outer sheet (1) and the intermediate layer transparent material body (2), form air exhaust passage (6) between described intermediate layer transparent material body (2) and the inner layer glass sheet (3), described wind pushing box (9) and air draft case (10) are installed on the upper surface of window frame (4) side by side, have outdoor air outlet (14) and outdoor air outlet (12) on the lower edge (4-1) in the outside of described window frame (4) from down to up successively, have indoor air outlet (11) on the inside wall of described wind pushing box (9), have indoor exhaust wind mouth (13) on the inside wall of described air draft case (10), described air-supply cross flow fan (7) is installed in the wind pushing box (9), and the air draught end of air-supply cross flow fan (7) is corresponding with air-supply passage (5), the air outlet of air-supply cross flow fan (7) is corresponding with indoor air outlet (11), described air draft cross flow fan (8) is installed in the air draft case (10), and the air draught end of air draft cross flow fan (8) is corresponding with air exhaust passage (6), and the air outlet of air draft cross flow fan (8) is corresponding with indoor exhaust wind mouth (13).
5, according to the described bidirectional ventilated energy-saving window of claim 4, it is characterized in that it also comprises two air filtration pieces (16), the lower edge (4-1) that described two air filtration pieces (16) are separately positioned on the outside of window frame (4) go up and the inside wall of air draft case (10) on, and the installation site of two air filtration pieces (16) is corresponding with outdoor air outlet (12) and indoor exhaust wind mouth (13) respectively.
6, according to claim 4 or 5 described bidirectional ventilated energy-saving windows, it is characterized in that it also comprises roller shutter (18), described roller shutter (18) is installed in the air exhaust passage (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200902725U CN201202381Y (en) | 2008-06-20 | 2008-06-20 | Bidirectional ventilated energy-saving window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200902725U CN201202381Y (en) | 2008-06-20 | 2008-06-20 | Bidirectional ventilated energy-saving window |
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| Publication Number | Publication Date |
|---|---|
| CN201202381Y true CN201202381Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200902725U Expired - Lifetime CN201202381Y (en) | 2008-06-20 | 2008-06-20 | Bidirectional ventilated energy-saving window |
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| Country | Link |
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| CN (1) | CN201202381Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328781B (en) * | 2008-06-20 | 2011-08-17 | 哈尔滨工业大学 | Bidirectional ventilated energy-saving window |
| EP2412915A3 (en) * | 2010-07-27 | 2013-01-23 | IFN-Holding AG | Pivoting window |
| JP2020106185A (en) * | 2018-12-27 | 2020-07-09 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| JP2020122598A (en) * | 2019-01-29 | 2020-08-13 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| JP2020122599A (en) * | 2019-01-29 | 2020-08-13 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| CN113251539A (en) * | 2021-06-02 | 2021-08-13 | 上海怀善智能工程有限公司 | Indoor fresh air circulating system and working method |
-
2008
- 2008-06-20 CN CNU2008200902725U patent/CN201202381Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328781B (en) * | 2008-06-20 | 2011-08-17 | 哈尔滨工业大学 | Bidirectional ventilated energy-saving window |
| EP2412915A3 (en) * | 2010-07-27 | 2013-01-23 | IFN-Holding AG | Pivoting window |
| JP2020106185A (en) * | 2018-12-27 | 2020-07-09 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| JP2020122598A (en) * | 2019-01-29 | 2020-08-13 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| JP2020122599A (en) * | 2019-01-29 | 2020-08-13 | パナソニックＩｐマネジメント株式会社 | Heat exchange type ventilation device |
| CN113251539A (en) * | 2021-06-02 | 2021-08-13 | 上海怀善智能工程有限公司 | Indoor fresh air circulating system and working method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090304 Effective date of abandoning: 20080620 |