TWM446302U - Windbreak vent mask - Google Patents

Windbreak vent mask Download PDF

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Publication number
TWM446302U
TWM446302U TW101217618U TW101217618U TWM446302U TW M446302 U TWM446302 U TW M446302U TW 101217618 U TW101217618 U TW 101217618U TW 101217618 U TW101217618 U TW 101217618U TW M446302 U TWM446302 U TW M446302U
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TW
Taiwan
Prior art keywords
venting
air passage
groove
cover
communication
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Application number
TW101217618U
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Chinese (zh)
Inventor
Jin-Zhong Yan
Original Assignee
Bolin Corp Ltd Eric
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Bolin Corp Ltd Eric filed Critical Bolin Corp Ltd Eric
Priority to TW101217618U priority Critical patent/TWM446302U/en
Publication of TWM446302U publication Critical patent/TWM446302U/en
Priority to CN201310362214.9A priority patent/CN103453611B/en

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Description

防風型通氣罩Windproof hood

本創作是關於一種防風型通氣罩,特別是指一種能提供室內朝向室外排放廢棄氣流,並能適當阻絕外界上旋氣流進入室內,避免阻礙原有排放廢氣氣流,而成為一種實用性極佳之防風型通氣罩。The present invention relates to a windproof ventilating hood, in particular to a method capable of providing indoor exhaust airflow to the outside, and can appropriately block the external swirling airflow from entering the room to avoid obstructing the original exhaust gas flow, and is an excellent practicality. Windproof hood.

一般建築物結構上通常會預留有數個出風口,藉由該出風口得以供室內各空間或裝置使用,例如廚房的排油煙機出風口或浴室出風口等。如此得以讓室內外空氣相互循環流通,排出屋內穢氣至室外。Generally, a plurality of air outlets are usually reserved in the structure of the building, and the air outlets can be used for various spaces or devices in the room, such as a kitchen hood air outlet or a bathroom air outlet. In this way, the indoor and outdoor air can be circulated and circulated, and the indoor air can be exhausted to the outside.

然而若建築物外牆處若僅設有該出風口而無其他遮蔽裝置,將容易使得屋外的風雨因吹拂而倒灌入室內污染四周環境。因此在這些出風口的外牆處通常搭配有外氣罩,其結構大多為一肘形彎管,將其一端設於外牆的出風口內,另一端則外露於室外。However, if only the air outlet is provided at the outer wall of the building and there is no other shielding device, it will easily cause the wind and rain outside the house to be poured into the indoor environment. Therefore, the outer wall of these air outlets is usually equipped with an outer air hood, and the structure is mostly an elbow-shaped elbow, one end of which is disposed in the air outlet of the outer wall, and the other end is exposed outside.

然而,此種結構的外氣罩,由於外牆其風壓容易從外露於室外一端之彎管進入室內,導致室內欲排放油煙穢氣時阻力過大,而無法確實排放到室外,反而流竄至室內影響居家環境空氣品質。此外,對於狂風暴雨惡劣天氣下如颱風來襲時,經常伴隨非常態螺旋上升氣流,往往螺旋上升氣流夾帶雨水經彎管進入,而弄髒了室內環境。However, the external air hood of this structure is easy to leak from the elbow exposed to the outdoor end due to the wind pressure of the outer wall, which causes the resistance to be excessively discharged when the room is to be exhausted, and cannot be discharged to the outside, but instead flows to the interior. Air quality in the home environment. In addition, in the case of violent storms and severe weather, such as typhoons, often accompanied by an abnormal spiral upward airflow, often the spiral rising airflow entrains rainwater through the curved pipe, which dirty the indoor environment.

有鑑於此,本案創作人為了防範上升氣流夾帶雨水進入室內,進行相關產品的開發與設計,而終於創作出一種防風型通氣罩,得以適當防範上升氣流所夾帶的雨水,避免雨水倒灌至室內者。In view of this, the creator of this case, in order to prevent the updraft from entraining rainwater into the room, to develop and design related products, finally created a windproof ventilator to properly prevent the rainwater entrained by the updraft and prevent the rainwater from being poured into the room. .

本創作主要目的係提供一種防止上升氣流夾帶雨水倒灌至室內,且可有效排出穢氣於室外,並具有室內、外氣體循環流通等之防風型通氣罩,成為一種實用性極佳之創作者。The main purpose of this creation is to provide a windproof venting hood that prevents the updraft from impinging rainwater into the room and can effectively discharge helium outside, and has indoor and outdoor gas circulation, etc., and becomes a practical creator.

為了達成上述之目的與功效,本創作防風型通氣罩,包括一外罩體、一連接管及一底蓋,其中:該外罩體內設有一通氣道,該外罩體下端設有一與通氣道相通之通氣口,且該外罩體一側設有一連通端,並於連通端端面設有複數與通氣道相通之連通槽,該外罩體設有至少一與通氣道相通之透氣孔;該連接管係一端組設於連通端,而連接管另一端則連通室內;該底蓋係組設於該通氣口內緣,且該底蓋設有複數與通氣道相連通之通氣槽,各通氣槽一側槽壁具有一向外且向下延伸之斜片;據此,室內氣流得以從連接管、連通槽、通氣道至通氣槽或透氣孔向外排出,而室外上升氣流夾帶的雨水則受到底蓋其斜片的阻擋。In order to achieve the above-mentioned purpose and effect, the windproof ventilating cover comprises an outer cover body, a connecting tube and a bottom cover, wherein: the outer cover body is provided with an air passage, and the lower end of the outer cover body is provided with a vent opening communicating with the air passage. And a communication end is provided on one side of the outer cover body, and a plurality of communication grooves communicating with the air passage are disposed on the end surface of the communication end, and the outer cover body is provided with at least one venting hole communicating with the air passage; the connecting tube is one end group The bottom end of the connecting tube is disposed at the inner edge of the venting opening, and the bottom cover is provided with a plurality of venting grooves communicating with the air passage, and the groove wall of each venting groove There is a slanting piece extending outwardly and downwardly; accordingly, the indoor airflow can be discharged outward from the connecting pipe, the communication groove, the air passage to the venting groove or the vent hole, and the rainwater entrained by the outdoor updraft is subjected to the slanting piece of the bottom cover Blocking.

本創作「防風型通氣罩」進一步包括有下列技術特徵:The creation of the "windproof venting hood" further includes the following technical features:

*各連通槽下方槽壁具有一朝連通端外側方向且向上延伸之導片。* The groove wall below each communication groove has a guide piece extending outward in the direction of the communication end and extending upward.

*該外罩體於底端相對底蓋一側而向外延伸有一擋片,且該擋片係與連通端同一側方向。該斜片是由通氣槽槽壁朝擋片方向延伸,或該斜片是由通氣槽槽壁朝遠離擋片方向延伸。* The outer cover body has a baffle extending outward from the bottom end with respect to the side of the bottom cover, and the baffle is in the same side direction as the communicating end. The slanting piece extends from the vent groove wall toward the blocking piece, or the slanting piece extends from the venting groove wall toward the direction away from the blocking piece.

*該至少一透氣孔設置於該外罩體頂端,或該至少一透氣孔設置於該外罩體周側。該至少一透氣孔設置於外罩體頂端時,該至少一透氣孔一側 孔壁具有一朝通氣道內延伸之遮片。* The at least one venting hole is disposed at a top end of the outer cover body, or the at least one venting hole is disposed at a peripheral side of the outer cover body. The at least one venting hole is disposed at a top end of the outer cover body, and the at least one venting hole side The wall of the bore has a facing extending into the air passage.

因此本創作可說是一種相當具有實用性及進步性之創作,相當值得產業界來推廣,並公諸於社會大眾。Therefore, this creation can be said to be a kind of practical and progressive creation, which is worthy of promotion by the industry and publicized to the public.

為了清楚說明本創作所能達成上述之目的與功效,本創作於下列舉一實施例,而其各元件之間的組配關係,請見下列說明並一同配合參閱圖式中第一圖至第五圖所示,圖中顯示本創作防風型通氣罩包括有一外罩體1、一連接管2及一底蓋3,其中:該外罩體1內設有一通氣道11,該外罩體1下端設有一與通氣道11相通之通氣口12,且該外罩體1一側設有一連通端13,並於連通端13端面設有複數與通氣道11相通之連通槽14,各連通槽14下方槽壁具有一朝連通端13外側方向且向上延伸之導片15,該外罩體1設有至少一與通氣道11相通之透氣孔16;該連接管2係一端組設於連通端13,而連接管2另一端則連通室內;該底蓋3係組設於該通氣口12內緣,且該底蓋3設有複數與通氣道11相連通之通氣槽31,各通氣槽31一側槽壁具有一向外且向下延伸之斜片32;據此,室內氣流得以從連接管2、連通槽14、通氣道11至通氣槽31或透氣孔16向外排出,而室外上升氣流夾帶的雨水則受到底蓋3其斜片32的阻擋,如此達成本創作之目的與功效,前述為本創作之主實施例,其已具備可實施本創作申請專利範圍第1項的必要技術特徵,而其餘附屬申請專利範圍所述的技術特徵是為對申請專利範圍第1項內容的詳述或 附加技術特徵,而非用以限制申請專利範圍第1項的界定範圍,應知本案申請專利範圍不必要一定包含其餘附屬申請專利範圍所述的技術特徵。In order to clarify the purpose and effect of the above-mentioned creations, the present invention exemplifies the following examples, and the composition relationship between the components is as follows. The figure shows that the windproof ventilating cover includes an outer cover body 1, a connecting tube 2 and a bottom cover 3, wherein the outer cover body 1 is provided with an air passage 11 , and the lower end of the outer cover body 1 is provided with a a venting opening 12 communicating with the air passage 11 and having a communicating end 13 on one side of the outer cover body 1 and a plurality of communicating slots 14 communicating with the air passage 11 at the end surface of the communicating end 13 a guide piece 15 extending outwardly of the communication end 13 and extending upwardly, the outer cover body 1 is provided with at least one venting hole 16 communicating with the air passage 11; the connecting tube 2 is one end set at the communication end 13 and the connecting tube 2 The other end is connected to the room; the bottom cover 3 is disposed at the inner edge of the vent 12, and the bottom cover 3 is provided with a plurality of venting grooves 31 communicating with the air passage 11, and the groove wall of each venting groove 31 has a direction a slanting piece 32 extending outwardly and downwardly; accordingly, the indoor airflow is connected 2. The communication slot 14, the air passage 11 to the venting groove 31 or the venting hole 16 are discharged outward, and the rainwater entrained by the outdoor updraft is blocked by the slanting piece 32 of the bottom cover 3, thus achieving the purpose and effect of the present invention. As an embodiment of the present invention, it has the necessary technical features to implement the first item of the patent application scope of the present invention, and the technical features described in the remaining scope of the patent application are the details of the first item of the patent application scope. or The additional technical features, rather than limiting the scope of the scope of claim 1 of the patent application, should be understood that the scope of the patent application in this application does not necessarily include the technical features described in the remaining scope of the appended claims.

值得一提的是,於該外罩體1上端設有複數與通氣道11相通之透氣孔16,該透氣孔16係呈長條狀橫向設置型態;該外罩體1於底端相對底蓋3一側而向外延伸有一擋片17,且該擋片17係與連通端13同一側方向,而該斜片32是由通氣槽31槽壁朝擋片17方向延伸。It is worth mentioning that a plurality of venting holes 16 communicating with the air passage 11 are provided at the upper end of the outer cover body 1, and the venting holes 16 are in a long transversely disposed configuration; the outer cover body 1 is opposite to the bottom cover 3 at the bottom end. A blocking piece 17 extends outwardly from one side, and the blocking piece 17 is in the same side direction as the communicating end 13, and the inclined piece 32 extends from the groove wall of the venting groove 31 toward the blocking piece 17.

關於本創作防風型通氣罩使用方式請見下列說明,並請一同參閱圖式第五至六圖所示:Please refer to the following instructions for the use of the windproof ventilator. Please refer to Figures 5 to 6 together:

*穢氣朝室外排放:由室內排放穢氣(如廚房油煙)於室外,穢氣主要係通過連接管2、連通槽14、通氣道11至通氣槽31(或透氣孔16)等路徑向外排出。* Xenon discharges to the outside: The indoor exhaust helium (such as kitchen fumes) is discharged outdoors, and the helium is mainly discharged through the connecting pipe 2, the communicating groove 14, the air passage 11 to the venting groove 31 (or the venting hole 16).

*室外氣流流動至室內:於室外的氣流則是由通氣槽31(或透氣孔16)、通氣道11、連通槽14及通過連接管2等路徑流動至室內。* The outdoor airflow flows into the room: the outdoor airflow flows into the room through the venting groove 31 (or the venting hole 16), the air passage 11, the communication groove 14, and the path through the connecting pipe 2.

*於風雨狀態:室外的大雨於下落時得以經由透氣孔16、通氣道11而從通氣槽31向下排落,由於導片15係朝向連接管2且向上延伸,就算部分雨水於通氣道11內滴落至連通端13時仍會受到導片15阻擋無法進入室內,使得該部分雨水順著連通端13端面向下滑落,而由通氣槽31向外排出;而遇到夾帶雨水之上升氣流時,首先由擋片17阻擋夾帶雨水的上升氣流(第一重防護),避免直接沿室外牆面向上且進入通氣槽31,而成為斜向外側且夾帶帶雨水之氣流,並利用通氣槽31設有向下且朝擋片17方向延伸之斜片32(第二重防護),阻擋斜向夾帶雨水的氣流,無法直 接進入通氣槽31。* In the wind and rain state: the outdoor heavy rain can be drained downward from the venting groove 31 through the vent hole 16 and the air passage 11 when it is falling. Since the guide piece 15 is oriented toward the connecting pipe 2 and extends upward, part of the rainwater is in the air passage 11 When it is dripped into the communication end 13, it will still be blocked by the guide piece 15 and cannot enter the room, so that the part of the rainwater slides down along the end of the communication end 13 and is discharged outward by the venting groove 31; and encounters an upward flow of entrained rainwater. First, the upward flow of the rainwater (the first heavy protection) is blocked by the blocking piece 17 to avoid directly entering the venting groove 31 along the outdoor wall, and the airflow is obliquely outward and entrained with rainwater, and the ventilating groove 31 is utilized. A slanting piece 32 (second weight protection) extending downward and facing the flap 17 is provided to block the air flow obliquely entraining the rainwater, and is not straight It is connected to the venting groove 31.

據此,經由上述說明後可明白,本創作確實可提供室內、外氣流交換,並防止上升氣流夾帶雨水倒灌至室內,如此達本創作之目的與功效,而成為一種實用性極佳之創作。Accordingly, it can be understood from the above description that the creation can provide indoor and outdoor airflow exchange, and prevent the updraft from impinging rainwater into the room, thus achieving the purpose and effect of the creation, and becoming a practically excellent creation.

請參閱圖式第七圖所示,其為本創作底蓋3的斜片32另一種實施型態,其不同於上述實施例在於,該斜片32係由通氣槽31一側槽壁朝向擋片17遠離方向延伸型態。Referring to the seventh embodiment of the drawing, which is another embodiment of the inclined piece 32 of the bottom cover 3, which is different from the above embodiment, the inclined piece 32 is oriented by the groove wall on the side of the venting groove 31. The sheet 17 extends away from the direction.

值得一提的是,本創作外罩體1其透氣孔16尚具有其它實施型態,如圖式第八圖所示,該透氣孔16係以一呈矩形型態設置於外罩體1頂端位置,該透氣孔16一側孔壁具有一朝通氣道11內延伸之遮片161,且該遮片161係呈彎曲狀,如此由上而下的氣流或大雨得以透過遮片161形成第一道遮蔽防護,使得氣流及大雨僅能由遮片161周側流動,無法直接穿越透氣孔16,平時透氣孔16仍可提供室內外氣流交換、流通。It is worth mentioning that the venting hole 16 of the present invention has other venting patterns. As shown in the eighth figure, the venting hole 16 is disposed at a top end of the outer cover 1 in a rectangular shape. The hole wall on one side of the vent hole 16 has a cover 161 extending toward the inside of the air passage 11, and the cover 161 is curved, so that the upper and lower airflow or heavy rain can form the first shield through the cover 161. The protection makes the airflow and heavy rain flow only from the circumferential side of the shielding piece 161, and cannot directly pass through the venting hole 16. The venting hole 16 can still provide indoor and outdoor airflow exchange and circulation.

另外,請參閱圖式第九圖所示,該透氣孔16係以長條狀縱向型態設置於外罩體1相對兩側,每側以兩個透氣孔16為例,如此由上而下的氣流或大雨無法直接進入通氣道11內,平時透氣孔16仍可提供室內外氣流交換、流通。In addition, as shown in the ninth figure of the drawing, the venting holes 16 are disposed on opposite sides of the outer cover body 1 in an elongated longitudinal shape, and each side is exemplified by two venting holes 16 so as to be top-down. Airflow or heavy rain cannot directly enter the air passage 11, and the venting hole 16 can still provide indoor and outdoor airflow exchange and circulation.

由上所述者僅為用以解釋本創作之較佳實施例,並非企圖具以對本創作做任何形式上之限制,是以,凡有在相同之創作精神下所做有關本創作之任何修飾或變更者,為其他可據以實施之態樣且具有相同效果者,皆仍應包括在本創作意圖保護之範疇內。The above description is only a preferred embodiment for explaining the present creation, and is not intended to impose any form limitation on the creation, so that any modification related to the creation in the same creative spirit is made. The changer, who is otherwise exemplified and has the same effect, should still be included in the scope of this creative intent.

綜上所述,本創作之「防風型通氣罩」,於結構設計及使用實用性上,確實符合實用性,且所揭露之結構創作,亦是具有前所未有之創新構造,所以其具有「新穎性」應無疑慮,又本創作可較之習用結構更具功效之增進,因此亦具有「進步性」,其完全符合我國專利法有關新型專利申請之規定,故,爰依法向 鈞局提出新型專利申請,懇請 鈞局能早日賜予本案專利權,至感德便。In summary, the "wind-proof venting hood" of this creation is indeed practical in terms of structural design and practical use, and the disclosed structural creation is also an unprecedented innovative structure, so it has "novelty". It should be undoubtedly considered that this creation can be more effective than the conventional structure. Therefore, it is also "progressive". It fully complies with the provisions of the new patent application in China's patent law. Therefore, it proposes a new type of patent to the bureau. To apply, I would like to ask the bureau to give the patent right in the case as soon as possible.

1‧‧‧外罩體1‧‧‧ outer cover

11‧‧‧通氣道11‧‧‧Airway

12‧‧‧通氣口12‧‧‧ vent

13‧‧‧連通端13‧‧‧Connected end

14‧‧‧連通槽14‧‧‧Connecting slot

15‧‧‧導片15‧‧‧ Guide

16‧‧‧透氣孔16‧‧‧ venting holes

161‧‧‧遮片161‧‧‧Mask

17‧‧‧擋片17‧‧‧Block

2‧‧‧連接管2‧‧‧Connecting tube

3‧‧‧底蓋3‧‧‧ bottom cover

31‧‧‧通氣槽31‧‧‧ Ventilation slot

32‧‧‧斜片32‧‧‧ oblique film

第一圖係本創作分解立體示意圖。The first figure is an exploded perspective view of the creation.

第二圖係本創作外罩體透視及其他元件分解立體示意圖。The second figure is a perspective view of the perspective of the outer cover of the present invention and other components.

第三圖係本創作組合立體示意圖。The third figure is a three-dimensional diagram of the creation combination.

第四圖係本創作組合狀態局部透視示意圖。The fourth picture is a partial perspective view of the state of the creative combination.

第五圖係本創作組合狀態剖視示意圖。The fifth figure is a schematic cross-sectional view of the state of the creation combination.

第六圖係本創作使用狀態示意圖。The sixth picture is a schematic diagram of the state of use of this creation.

第七圖係本創作底蓋其斜片另一種實施方向示意圖。The seventh picture is a schematic diagram of another implementation direction of the slanting piece of the bottom cover of the present invention.

第八圖係本創作外罩體其透氣孔另一種實施型態立體示意圖。The eighth figure is a three-dimensional schematic diagram of another embodiment of the venting hole of the outer cover body of the present invention.

第九圖係本創作外罩體其透氣孔又一種實施型態立體示意圖。The ninth figure is a three-dimensional schematic view of the vent hole of the present invention.

1‧‧‧外罩體1‧‧‧ outer cover

16‧‧‧透氣孔16‧‧‧ venting holes

17‧‧‧擋片17‧‧‧Block

2‧‧‧連接管2‧‧‧Connecting tube

3‧‧‧底蓋3‧‧‧ bottom cover

31‧‧‧通氣槽31‧‧‧ Ventilation slot

32‧‧‧斜片32‧‧‧ oblique film

Claims (8)

一種防風型通氣罩,包括一外罩體、一連接管及一底蓋,其中:該外罩體內設有一通氣道,該外罩體下端設有一與通氣道相通之通氣口,且該外罩體一側設有一連通端,並於連通端端面設有複數與通氣道相通之連通槽,該外罩體設有至少一與通氣道相通之透氣孔;該連接管係一端組設於連通端,而連接管另一端則連通室內;該底蓋係組設於該通氣口內緣,且該底蓋設有複數與通氣道相連通之通氣槽,各通氣槽一側槽壁具有一向外且向下延伸之斜片;據此,室內氣流得以從連接管、連通槽、通氣道至通氣槽或透氣孔向外排出,而室外上升氣流夾帶的雨水則受到底蓋其斜片的阻擋。The utility model relates to a windproof ventilating cover, which comprises an outer cover body, a connecting tube and a bottom cover. The outer cover body is provided with an air passage. The lower end of the outer cover body is provided with a venting opening communicating with the air passage, and the outer cover body is provided at one side. a communication end, and a plurality of communication grooves communicating with the air passage are disposed on the end surface of the communication end, the outer cover body is provided with at least one venting hole communicating with the air passage; the connecting tube is provided at one end at the communication end, and the connecting tube is another One end is connected to the indoor; the bottom cover is disposed at the inner edge of the vent, and the bottom cover is provided with a plurality of venting grooves communicating with the air passage, and the groove wall of each venting groove has an outward and downward extending slant According to this, the indoor airflow can be discharged from the connecting pipe, the communication groove, the air passage to the venting groove or the vent hole, and the rainwater entrained by the outdoor updraft is blocked by the slanting piece of the bottom cover. 如申請專利範圍第1項所述之防風型通氣罩,其中各連通槽下方槽壁具有一朝連通端外側方向且向上延伸之導片。The windproof ventilating cover of claim 1, wherein the groove wall below each communication groove has a guide piece extending outward in the direction of the communication end and extending upward. 如申請專利範圍第1項所述之防風型通氣罩,其中該外罩體於底端相對底蓋一側而向外延伸有一擋片,且該擋片係與連通端同一側方向。The windshield ventilating cover of claim 1, wherein the outer cover body has a baffle extending outwardly from a side of the bottom end opposite to the bottom cover, and the baffle is in the same side direction as the communicating end. 如申請專利範圍第3項所述之防風型通氣罩,其中該斜片是由通氣槽槽壁朝擋片方向延伸。The windproof ventilating cover of claim 3, wherein the slanting piece extends from the vent groove wall toward the flap. 如申請專利範圍第3項所述之防風型通氣罩,其中該斜片是由通氣槽槽壁朝遠離擋片方向延伸。The windproof ventilating cover of claim 3, wherein the slanting piece extends from the vent groove wall toward away from the flap. 如申請專利範圍第1項至第5項中任一項所述之防風型通氣罩,其中該至少一透氣孔設置於該外罩體頂端。The windproof ventilating cover according to any one of claims 1 to 5, wherein the at least one venting hole is disposed at a top end of the outer casing. 如申請專利範圍第1項至第5項中任一項所述之防風型通氣罩,其中該至少一透氣孔設置於該外罩體周側。The windproof ventilating cover according to any one of claims 1 to 5, wherein the at least one venting hole is provided on a circumference side of the outer casing. 如申請專利範圍第6項所述之防風型通氣罩,其中該至少一透氣孔一側孔壁具有一朝通氣道內延伸之遮片。The windproof ventilating cover of claim 6, wherein the at least one venting hole side wall has a facing extending toward the air passage.
TW101217618U 2012-09-12 2012-09-12 Windbreak vent mask TWM446302U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI575201B (en) * 2015-04-17 2017-03-21 佛山市建準電子有限公司 Air-exchanging device and indoor box thereof

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Publication number Priority date Publication date Assignee Title
CN107289571A (en) * 2016-04-05 2017-10-24 博麟水电材料有限公司 Vent hood wind volume control
CN112484104A (en) * 2019-09-12 2021-03-12 郑汉铭 Structure of wind-proof cover

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TWM245249U (en) * 2003-09-10 2004-10-01 Shiou-Lian Wu Improved structure of air exhaust cover
CN102293441A (en) * 2011-08-29 2011-12-28 兴化市联富食品有限公司 Dehydrated vegetable exhaust device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI575201B (en) * 2015-04-17 2017-03-21 佛山市建準電子有限公司 Air-exchanging device and indoor box thereof

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