CN105387590A - Air exchange air opening external element - Google Patents
Air exchange air opening external element Download PDFInfo
- Publication number
- CN105387590A CN105387590A CN201510700151.2A CN201510700151A CN105387590A CN 105387590 A CN105387590 A CN 105387590A CN 201510700151 A CN201510700151 A CN 201510700151A CN 105387590 A CN105387590 A CN 105387590A
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- CN
- China
- Prior art keywords
- air port
- exogenous wind
- wind mouthpiece
- elastomeric element
- mouthpiece
- 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.)
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Classifications
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/17—Details or features not otherwise provided for mounted in a wall
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention provides an air exchange air opening external element. The air exchange air opening external element comprises an inner air opening part, an outer air opening part and an elastic part. The outer side of the outer air opening part is provided with a clamping groove and a protrusion movably arranged in the clamping groove. The inner side of the outer air opening part is provided with an isolating net. The first end of the inner air opening part is detachably connected with the first end of the elastic part. The first end of the outer air opening part is detachably connected with the second end of the elastic part. The protrusion is used for being reset from the clamping groove to limit the outer air opening part to the outer wall when the outer air opening part sequentially penetrates an inner air outlet opening, a channel in the wall and an outer air outlet and stretches out of the outer wall. According to the air exchange air opening external element, installation personnel can install the outer air opening part from the inner wall side, so that safety of the outer air opening part is improved; and in addition, due to the fact that the outer air opening part is provided with the isolating net, foreign matter such as birds can be effectively prevented from entering the outer air opening part, so that ventilation efficiency is improved.
Description
Technical field
The present invention relates to aeration technology, particularly relate to a kind of ventilation air port external member
Background technology
In general family or office space, room air pure and fresh is kept to be an important standard.Usually, people use interior air port parts or exogenous wind mouthpiece, and coordinate the scavenge duct in ventilation fan and body of wall to have accelerated the convection current of room air, ensure the pure and fresh of room air.
Wherein, if user adopts the mode of ventilation fan and interior air port part fits to carry out indoor ventilation, then interior air port parts are arranged on air port place in interior wall; If the mode that user adopts ventilation fan and exogenous wind mouthpiece to coordinate carries out indoor ventilation, then exogenous wind mouthpiece is arranged on the outer air port place of exterior wall.
But carry out indoor ventilation according to the mode of ventilation fan and interior air port part fits, birds freely can enter the passage between body of wall, the ventilation that impact is indoor; If the mode that user adopts ventilation fan and exogenous wind mouthpiece to coordinate carries out indoor ventilation, although birds or other objects can be isolated enter passage between body of wall, at the wall of skyscraper, exogenous wind mouthpiece is installed outward and but there is very high potential safety hazard.Therefore, no matter take any air port parts in prior art, all cannot meet the demand of user.
Summary of the invention
The invention provides a kind of ventilation air port external member, the security requirement of the installation of exogenous wind mouthpiece cannot be met simultaneously in order to solve air port of the prior art parts and avoid birds to enter the technical problem of passage within the walls.
First aspect, the invention provides a kind of ventilation air port external member, comprising: interior air port parts, exogenous wind mouthpiece and elastomeric element; The arranged outside of described exogenous wind mouthpiece has draw-in groove and is movably arranged on the projection in described draw-in groove, and the inner side of described exogenous wind mouthpiece is provided with separation net;
The first end of described interior air port parts and the first end of described elastomeric element removably connect, and the first end of described exogenous wind mouthpiece and the second end of described elastomeric element removably connect;
Described projection is used for when stretching out exterior wall after described exogenous wind mouthpiece wears interior air outlet, within the walls passage, outer air outlet successively, resets described exogenous wind mouthpiece to be limited in exterior wall from described draw-in groove.
Further, the first end of described interior air port parts is threaded with the first end of described elastomeric element, and the first end of described exogenous wind mouthpiece is threaded with the second end of described elastomeric element.
Further, the first end of described interior air port parts is provided with the first internal thread or the first external screw thread, and described interior air port parts are connected with the first end of described elastomeric element by described first internal thread or described first external screw thread.
Further, the first end of described exogenous wind mouthpiece is provided with the second internal thread or the second external screw thread, and described exogenous wind mouthpiece is connected with the second end of described elastomeric element by described second internal thread or the second external screw thread.
Further, described elastomeric element is spring.
Further, described exogenous wind mouthpiece also comprises a rain cover, and described rain cover is connected with the second end of described exogenous wind mouthpiece.
Further, described draw-in groove is U-shaped draw-in groove, and described projection is the structure with described U-shaped draw-in groove adaptation.
Further, described draw-in groove is one or more, and described projection is one or more.
Further, the second end of described interior air port parts is provided with screw, and described interior air port parts are connected by described screw, screw fastening with interior wall, and the second end of described interior air port parts is connected with air regenerating device by air refreshing tube.
Ventilation air port provided by the invention external member, by interior air port parts and exogenous wind mouthpiece are removably connected by elastomeric element, make installation personnel from interior wall side, exogenous wind mouthpiece can be installed, improve the security of installing exogenous wind mouthpiece, easy for installation, solid and reliable; And because exogenous wind mouthpiece has separation net, therefore effectively can isolate entering of the foreign matters such as birds, improve the efficiency of ventilation; In addition, ventilation air port of the present invention external member, is not limited to the gauge of body of wall, and when the sample diversified in specifications of the specification of body of wall passage and exogenous wind mouthpiece, only needs to change exogenous wind mouthpiece, convenient disassembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of ventilation air port provided by the invention external member embodiment one;
Fig. 2 is the structural representation of ventilation air port provided by the invention external member embodiment two;
Fig. 3 is the side view of interior air port parts in the external member of ventilation air port provided by the invention;
Fig. 4 is the front view of interior air port provided by the invention parts;
Fig. 5 is the side view one of exogenous wind mouthpiece provided by the invention;
Fig. 6 is the structural representation of ventilation air port provided by the invention external member embodiment three;
Fig. 7 is the top view of exogenous wind mouthpiece provided by the invention;
Fig. 8 is the side view two of exogenous wind mouthpiece provided by the invention;
Fig. 9 is the perspective view of exogenous wind mouthpiece provided by the invention;
Figure 10 is the structural representation of ventilation air port provided by the invention external member embodiment four;
Reference numeral:
100: ventilation air port external member; 10: interior air port parts; 11: exogenous wind mouthpiece;
12: elastomeric element; 101: the first end of interior air port parts;
102: the second end of interior air port parts; 111: the first end of exogenous wind mouthpiece;
112: the second end of exogenous wind mouthpiece; 121: the first end of elastomeric element;
122: the second end of elastomeric element; 113: draw-in groove; 114: projection;
115: separation net; 20: interior air outlet; 21: passage within the walls;
22: outer air outlet; 23: interior wall; 24: exterior wall;
103: the first internal threads; 116: the second internal threads; 104: screw;
13: rain cover.
Detailed description of the invention
Ventilation air port provided by the invention external member, can cooperatively interact as ventilation is carried out in indoor with air regenerating device (such as ventilation fan or blower fan).Time in prior art for carrying out ventilation in indoor, generally on body of wall, determine tuyere position, with beating the suitable specification size of drilling machine choice, punch body of wall, in the inner side of body of wall, (namely body of wall is positioned at indoor side like this, be called for short interior wall) there is air outlet in, in the outside (namely body of wall is positioned at outdoor side, is called for short exterior wall) of body of wall, there is an outer air outlet.Common way, user can adopt air port parts in interior wall is installed, and is then coupled together by Fan pipeline and blower fan by these interior air port parts, thus realize ventilation, or user can adopt and install exogenous wind mouthpiece at exterior wall, then realize ventilation by coordinating with blower fan.But, if the mode that user adopts interior air port parts and blower fan to coordinate carries out ventilation, the outer air outlet of this kind of mode exterior wall is in the state of opening wide completely, and birds easily enter passage within the walls by outer air outlet and nest, and is that indoor ventilation brings impact to user; Ventilation (exogenous wind mouthpiece has can isolate the structure that other objects such as birds enter passage within the walls) is carried out if the mode that user adopts exogenous wind mouthpiece to coordinate with blower fan is indoor, although other foreign matters can be isolated enter passage within the walls, but for skyscraper, at exterior wall, exogenous wind mouthpiece is installed and easily brings potential safety hazard.Therefore, how to avoid the foreign matters such as birds to enter passage within the walls, and the potential safety hazard reducing installation exogenous wind mouthpiece is the technical problem that the present invention is intended to solve.
With embodiment particularly, technical scheme of the present invention is described in detail below.These specific embodiments can be combined with each other below, may repeat no more for same or analogous concept or process in some embodiment.
Fig. 1 is the structural representation of ventilation air port provided by the invention external member embodiment one.As shown in Figure 1, this ventilation air port external member 100 comprises: interior air port parts 10, exogenous wind mouthpiece 11 and elastomeric element 12; The arranged outside of described exogenous wind mouthpiece 11 has draw-in groove 113 and the projection 114 be movably arranged in described draw-in groove 113, and the inner side of described exogenous wind mouthpiece 11 is provided with separation net 115; The first end 101 of described interior air port parts 10 removably connects with the first end 121 of described elastomeric element 12, and the first end 111 of described exogenous wind mouthpiece 11 removably connects with the second end 122 of described elastomeric element 12; When described projection 114 for stretching out exterior wall 24 after described exogenous wind mouthpiece 11 wears interior air outlet 20, within the walls passage 21, outer air outlet 22 successively, resetting from described draw-in groove 113 is limited in exterior wall 24 by described exogenous wind mouthpiece 11.
Concrete, the draw-in groove 113 of the arranged outside of above-mentioned exogenous wind mouthpiece 11 can be U-shaped draw-in groove 113, it can be square card groove, can also be circular arc draw-in groove, the shape of the present invention to draw-in groove 113 limit, as long as the projection 114 be movably arranged in draw-in groove 113 can be adaptive with draw-in groove 113, optionally, " movable setting " mentioned here can comprise projection 114 and be absorbed in draw-in groove 113 under pressure, and when pressure event resolves, projection 114 automatically resets again from draw-in groove 113.In addition, the separation net 115 of the inner side setting of exogenous wind mouthpiece 11, may be used for other foreign matters such as isolation birds and enter body of wall passage, here separation net 115 can be network structure radially, it can also be the network state of transverse and longitudinal formula, the shape of the present invention to separation net 115 does not limit, as long as it can isolate the foreign matters such as birds and ventilated.
The first end 101 of above-mentioned interior air port parts 10 removably connects with the first end 121 of elastomeric element 12, the first end 111 of exogenous wind mouthpiece 11 removably connects with the second end 122 of above-mentioned elastomeric element 12, here connection can be threaded, can also be that buckle connects, can also be the connection of other removablies, the present invention limit the mode removably connected.This elastomeric element 12 can be spring, can be stage clip, can be skin spring, can also be bullet block, and what elastomeric material can also be adopted to make for other has elastically-deformable elastomeric element 12.Coupled together by elastomeric element 12 and exogenous wind mouthpiece 11 by interior air port parts 10, it not only can be isolated birds and enter passage 21 within the walls, and can also install exogenous wind mouthpiece 11 from this side of interior wall 23, concrete installation process is as follows:
First, determine tuyere position at body of wall, with beating the suitable specification size of drilling machine choice, punching body of wall, in body of wall, forming passage 21 within the walls.Secondly, the first end 111 of exogenous wind mouthpiece 11 is coupled together with the second end 122 of elastomeric element 12, and from this side of interior wall 23 by exogenous wind mouthpiece 11 and elastomeric element 12 from interior air outlet 20, passage 21 delivers to outer air outlet 22 within the walls, it is noted herein that, by exogenous wind mouthpiece 11 and elastomeric element 12 from interior air outlet 20, passage 21 is delivered in the process of outer air outlet 22 within the walls, projection 114 is because body of wall channel pressings is pressed in draw-in groove 113, make exogenous wind mouthpiece 11 can be sent to outer air outlet 22 (elastomeric element 12 smoothly like this, the specification of interior air outlet 20 and within the walls passage 21 is for seeking unity of standard), after exogenous wind mouthpiece 11 stretches out outer air outlet 22, projection in exogenous wind mouthpiece 11 114 is because extrude without passage 21 within the walls, because projection 114 can automatically reset or automatically upspring from draw-in groove 113, such installation personnel can back draw elastomeric element 12 (elastomeric element 12 now elastic deformation occurs) in this side of interior wall 23, therefore projection 114 in exogenous wind mouthpiece 11 is just buckled in exterior wall 24, thus exogenous wind mouthpiece 11 is limited in exterior wall 24.Afterwards, the first end 101 of the first end 121 of the elastomeric element 12 retracted with interior air port parts 10 is connected by installation personnel, thus make interior air port parts 10 be limited in interior wall 23, like this under the effect of elastomeric element 12 and above-mentioned projection 114, interior air port parts 10 are limited in interior wall 23, and exogenous wind mouthpiece 11 is limited in exterior wall 24.It can thus be appreciated that ventilation air port provided by the invention external member 100, can install exogenous wind mouthpiece 11 from this side of interior wall 23, improve the security of installing exogenous wind mouthpiece 11; And because exogenous wind mouthpiece 11 has separation net 115, therefore effectively can isolate entering of the foreign matters such as birds, improve the efficiency of ventilation.
Ventilation air port provided by the invention external member, by interior air port parts and exogenous wind mouthpiece are removably connected by elastomeric element, make installation personnel from interior wall side, exogenous wind mouthpiece can be installed, improve the security of installing exogenous wind mouthpiece, easy for installation, solid and reliable; And because exogenous wind mouthpiece has separation net, therefore effectively can isolate entering of the foreign matters such as birds, improve the efficiency of ventilation; In addition, ventilation air port of the present invention external member, is not limited to the gauge of body of wall, and when the sample diversified in specifications of the specification of body of wall passage and exogenous wind mouthpiece, only needs to change exogenous wind mouthpiece, convenient disassembly.
Further, the first end 101 of above-mentioned interior air port parts 10 can arrange the first internal thread 103, the first end 121 of elastomeric element 12 can arrange external screw thread, thus is threaded with the first end 121 of elastomeric element 12 by the first end 101 of above-mentioned interior air port parts 10; Can also for the first external screw thread can be arranged at the first end 101 of interior air port parts 10, the first end 121 of elastomeric element 12 can arrange internal thread, thus is threaded with the first end 121 of elastomeric element 12 by the first end 101 of above-mentioned interior air port parts 10.
Further, the first end 111 of above-mentioned exogenous wind mouthpiece 11 can arrange the second internal thread 116, second end 122 of elastomeric element 12 can arrange external screw thread, thus is threaded with the second end 122 of elastomeric element 12 by the first end 111 of above-mentioned exogenous wind mouthpiece 11; Can also can arrange the second external screw thread for the first end 111 of air port parts 11 outside, the second end 122 of elastomeric element 12 can arrange internal thread, thus has end to be threaded with the second end 122 of elastomeric element 12 by the of above-mentioned exogenous wind mouthpiece 11.
Preferably, above-mentioned elastomeric element 12 is spring, now the first end 101 of interior air port parts 10 arranges the first internal thread 103, the first end 111 of exogenous wind mouthpiece 11 arranges the second internal thread 116, the two ends of spring can in precession first internal thread 103 and the second internal thread 116, embodiment two shown in Figure 2, the side view of the interior air port parts shown in Fig. 3, the side view one of the front view of interior air port parts shown in Fig. 4 and the exogenous wind mouthpiece shown in Fig. 5, in Fig. 2, interior air port parts 10 are threaded by spring with exogenous wind mouthpiece 11, in addition, in Fig. 4, second end 102 of interior air port parts 10 is provided with screw 104, these interior air port parts 10 can pass through this screw 104 with interior wall 23, screw fastening connects, second end 102 of these interior air port parts 10 can be connected with air regenerating device by air refreshing tube, air refreshing tube can be PVC pipeline.Optionally, this air regenerating device can be ventilation fan, can also be VMC, and can also be other ventilation device, the form of the present invention to air regenerating device limit.
Fig. 6 is the structural representation of ventilation air port provided by the invention external member embodiment three, and Fig. 7 is the top view of exogenous wind mouthpiece provided by the invention, and Fig. 8 is the side view two of exogenous wind mouthpiece provided by the invention.On above-mentioned basis embodiment illustrated in fig. 2, further, as shown in Figure 6, above-mentioned exogenous wind mouthpiece 11 can also comprise a rain cover 13, and described rain cover 13 is connected with the second end 112 of described exogenous wind mouthpiece 11.Optionally, this rain cover 13 can removably connect with the second end 112 of exogenous wind mouthpiece 11, may be used for preventing rainwater from pouring in down a chimney and only enters passage 21 within the walls, affect drafting efficiency.
Further, the structural representation of the perspective view of exogenous wind mouthpiece shown in Figure 9 and the ventilation air port external member embodiment four shown in Figure 10, in Fig. 9, above-mentioned draw-in groove 113 is U-shaped draw-in groove, above-mentioned projection 114 is the structure with described U-shaped draw-in groove adaptation, and draw-in groove 113 can be one or more, above-mentioned projection 114 also can be one or more, by the cooperation of projection 114 and draw-in groove 113, by spacing for exogenous wind mouthpiece 11 with exterior wall 24, above-mentioned Figure 10 is shown in the structure of draw-in groove 113 in composition graphs 9 and projection 114.
Ventilation air port provided by the invention external member, by interior air port parts and exogenous wind mouthpiece being removably connected by elastomeric element, being made installation personnel can install exogenous wind mouthpiece from interior wall side, improving the security of installing exogenous wind mouthpiece; And because exogenous wind mouthpiece has separation net, therefore effectively can isolate entering of the foreign matters such as birds, improve the efficiency of ventilation.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a ventilation air port external member, is characterized in that, comprising: interior air port parts, exogenous wind mouthpiece and elastomeric element; The arranged outside of described exogenous wind mouthpiece has draw-in groove and is movably arranged on the projection in described draw-in groove, and the inner side of described exogenous wind mouthpiece is provided with separation net;
The first end of described interior air port parts and the first end of described elastomeric element removably connect, and the first end of described exogenous wind mouthpiece and the second end of described elastomeric element removably connect;
Described projection is used for when stretching out exterior wall after described exogenous wind mouthpiece wears interior air outlet, within the walls passage, outer air outlet successively, resets described exogenous wind mouthpiece to be limited in exterior wall from described draw-in groove.
2. ventilation air port according to claim 1 external member, is characterized in that, the first end of described interior air port parts is threaded with the first end of described elastomeric element, and the first end of described exogenous wind mouthpiece is threaded with the second end of described elastomeric element.
3. ventilation air port according to claim 2 external member, it is characterized in that, the first end of described interior air port parts is provided with the first internal thread or the first external screw thread, and described interior air port parts are connected with the first end of described elastomeric element by described first internal thread or described first external screw thread.
4. ventilation air port according to claim 2 external member, it is characterized in that, the first end of described exogenous wind mouthpiece is provided with the second internal thread or the second external screw thread, and described exogenous wind mouthpiece is connected with the second end of described elastomeric element by described second internal thread or the second external screw thread.
5. the ventilation air port external member according to any one of claim 1-4, is characterized in that, described elastomeric element is spring.
6. ventilation air port according to claim 5 external member, is characterized in that, described exogenous wind mouthpiece also comprises a rain cover, and described rain cover is connected with the second end of described exogenous wind mouthpiece.
7. ventilation air port according to claim 6 external member, is characterized in that, described draw-in groove is U-shaped draw-in groove, and described projection is the structure with described U-shaped draw-in groove adaptation.
8. ventilation air port according to claim 7 external member, is characterized in that, described draw-in groove is one or more, and described projection is one or more.
9. ventilation air port according to claim 1 external member, it is characterized in that, second end of described interior air port parts is provided with screw, and described interior air port parts are connected by described screw, screw fastening with interior wall, and the second end of described interior air port parts is connected with air regenerating device by air refreshing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700151.2A CN105387590B (en) | 2015-10-23 | 2015-10-23 | Ventilation air port external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700151.2A CN105387590B (en) | 2015-10-23 | 2015-10-23 | Ventilation air port external member |
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| Publication Number | Publication Date |
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| CN105387590A true CN105387590A (en) | 2016-03-09 |
| CN105387590B CN105387590B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510700151.2A Active CN105387590B (en) | 2015-10-23 | 2015-10-23 | Ventilation air port external member |
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| CN (1) | CN105387590B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367007A (en) * | 2017-07-18 | 2017-11-21 | 重庆松池科技有限公司 | One kind is without airduct VMC |
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| DE3415370A1 (en) * | 1984-04-25 | 1985-11-07 | Werner 2952 Weener Wildeboer | Air blow-out nozzle of an installation for room ventilation |
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| CN203132039U (en) * | 2013-03-22 | 2013-08-14 | 重庆东杰机电安装工程有限公司 | Novel wall-type ventilator |
| CN204438418U (en) * | 2015-01-26 | 2015-07-01 | 方存仁 | Respirator between a kind of single Ventilator Room realizing thoroughly ventilation |
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| DE1655181U (en) * | 1951-11-03 | 1953-05-07 | Zell J Krueckels K G Maschf | BRAKE DEVICE FOR SHEET AND SHEARING TUBES ON KETT FINISHING MACHINES. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1655181A1 (en) * | 1967-08-26 | 1971-07-01 | Joachim Schulz | Ventilation nozzle, especially for windshields |
| DE3415370A1 (en) * | 1984-04-25 | 1985-11-07 | Werner 2952 Weener Wildeboer | Air blow-out nozzle of an installation for room ventilation |
| CN201106573Y (en) * | 2007-05-14 | 2008-08-27 | 天津博楠珂节能环保科技有限公司 | Fresh air apparatus being convenient to maintain |
| KR20090002519U (en) * | 2007-09-08 | 2009-03-12 | 주식회사 선일엔지니어링 | Air conditioning Dphyu it comes air frame configured structure |
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| CN204438418U (en) * | 2015-01-26 | 2015-07-01 | 方存仁 | Respirator between a kind of single Ventilator Room realizing thoroughly ventilation |
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| CN107367007A (en) * | 2017-07-18 | 2017-11-21 | 重庆松池科技有限公司 | One kind is without airduct VMC |
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| CN105387590B (en) | 2018-04-24 |
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Address after: No. 1058, Xingle Road, Wang Dian Town, Xiuzhou District, Jiaxing, Zhejiang Patentee after: Zhejiang melkat intelligent kitchen and bathroom Co., Ltd. Address before: 314011, Zhejiang, Jiaxing province Xiuzhou District Wang Zhen East all the way north Patentee before: ZHEJIANG MELLKIT INTEGRATED CEILING CO., LTD. |