TWI599723B - A fan - Google Patents

A fan Download PDF

Info

Publication number
TWI599723B
TWI599723B TW105125894A TW105125894A TWI599723B TW I599723 B TWI599723 B TW I599723B TW 105125894 A TW105125894 A TW 105125894A TW 105125894 A TW105125894 A TW 105125894A TW I599723 B TWI599723 B TW I599723B
Authority
TW
Taiwan
Prior art keywords
wall
airflow
nozzle
folded
edge
Prior art date
Application number
TW105125894A
Other languages
Chinese (zh)
Other versions
TW201809475A (en
Inventor
楊家寧
Original Assignee
楊家寧
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.)
Filing date
Publication date
Application filed by 楊家寧 filed Critical 楊家寧
Priority to TW105125894A priority Critical patent/TWI599723B/en
Priority to CN201720765630.7U priority patent/CN207064346U/en
Priority to JP2017003560U priority patent/JP3213021U/en
Priority to US15/670,723 priority patent/US20180045203A1/en
Priority to US15/676,450 priority patent/US20180066677A1/en
Application granted granted Critical
Publication of TWI599723B publication Critical patent/TWI599723B/en
Publication of TW201809475A publication Critical patent/TW201809475A/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Jet Pumps And Other Pumps (AREA)

Description

風扇 fan

本案關於一種風扇,尤指體積小之無葉片風扇,無葉片干擾光線,易清潔,能牽引環境氣流,增加最後輸出氣流整體流量,亦能導引氣流於其指引方向。 In this case, a fan, especially a small bladeless fan, has no blade interference light, is easy to clean, can draw ambient airflow, increases the overall flow of the final output airflow, and can also guide the airflow in its guiding direction.

一般風扇有葉片會有干擾光線、不易清潔、不易攜帶,車上使用太佔空間問題。 Generally, the fan has blades that interfere with light, are not easy to clean, and are not easy to carry. The use of the car is too space-consuming.

美國專利US2488467中描述已知無葉風扇,無康達面(Coanda surface),無法產生康達效應(Coanda effect),不易牽引環境氣流,增加最後輸出氣流整體流量;已知無葉風扇無擴散面,無法導引氣流於其指引方向,有無法導引出風效果問題。 U.S. Patent No. 2,488,467 describes a leafless fan, without a Coanda surface, which does not produce a Coanda effect, is less prone to draw ambient airflow, and increases the overall flow of the final output airflow; it is known that the bladeless fan has no diffusing surface. It is impossible to guide the airflow in its guiding direction, and there is a problem that the wind effect cannot be guided.

請參閱第1圖,第1圖係為簡易結合噴嘴實施例之簡易結合噴嘴之部份示意圖,由第1圖可知,簡易結合噴嘴1由一簡易結合噴嘴氣流入口8;一簡易結合噴嘴內部氣流通道3;一簡易結合第一面牆壁4;以及一簡易結合第二與面牆壁5,形成一簡易結合噴嘴氣流出口2,其中簡易結合第二面牆壁5直接延伸成一簡易結合康達面(Coanda surface)6以及一簡易結合擴散面7。簡易結合噴嘴,會增加噴嘴整體體積,有整體體積過大問題。 Please refer to FIG. 1 , which is a partial schematic view of a simple coupling nozzle of the embodiment of the simple coupling nozzle. As can be seen from FIG. 1 , the simple coupling nozzle 1 is composed of a simple combined nozzle air inlet 8 ; Channel 3; a simple combination of the first wall 4; and a simple combination of the second and the wall 5, forming a simple combined nozzle air outlet 2, wherein the simple combination of the second wall 5 directly extends into a simple combination of Kangda (Coanda Surface) 6 and a simple combined diffusion surface 7. The simple combination of the nozzles increases the overall volume of the nozzle and has an overall bulk problem.

已知無葉風扇非扁平式規劃,亦不易攜帶,有車上使用太佔 空間問題。 It is known that the leafless fan is not flat-planned, and it is not easy to carry. Space problem.

為達上述目的,本案一較廣義實施樣態,其包括:一基座其具有:一內部風扇,用以吸入氣流以及噴出氣流;一基座氣流入口,用以作為吸入氣流之入口;以及一基座氣流出口,用以作為噴出氣流之出口;以及一噴嘴,噴嘴裝在基座上,用以放大輸入氣流範圍,噴嘴中央大部份面積為空心,其具有:一噴嘴氣流入口,位於噴嘴,為一開口,用以接收基座之噴出氣流;一第一面牆壁,用以並列組合;一第二面牆壁,用以並列組合;一第一牆壁端,位於第一面牆壁與第二面牆壁並列組合之端點;一第二牆壁端,位於第一面牆壁與第二面牆壁並列組合之端點,第二牆壁端以環狀或折疊狀結合第一牆壁端,用以氣流流通,亦形成噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通,或各自閉合以阻止氣流由第一牆壁端或第二牆壁端流出;一噴嘴內部氣流通道,位於第一面牆壁與第二面牆壁並列組合之空隙,用以氣流流通;一第一牆壁邊緣,為第一面牆壁與第二面牆壁並列組合之牆壁邊緣;一噴嘴氣流出口,位於第一牆壁邊緣,為錐形區域之狹縫噴嘴氣流出口,用以噴出氣流;一第二牆壁邊緣,為第一面牆壁與第二面牆壁並列組合之牆壁邊緣,用以閉合,阻止氣流流出,第二牆壁邊緣以環狀或折疊狀,向噴嘴氣流出口折疊,隨同第二面牆壁以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向內折疊成封閉牆阻止氣流流入,第二面牆壁會折疊形成一康達面(Coanda surface),接近該噴嘴氣流出口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也可以縮小噴嘴整體體積; 一擴散面,由第二面牆壁形成,用以導引氣流於其指引方向;以及一密閉牆壁,由第一面牆壁以環狀或折疊狀,折疊成密閉牆壁,密閉牆壁在第二牆壁邊緣可黏著第二面牆壁,用以阻止氣流流出。 In order to achieve the above object, a broader embodiment of the present invention includes: a pedestal having: an internal fan for drawing in airflow and ejecting airflow; a pedestal airflow inlet for inlet as a suction airflow; and a a venting air outlet for the outlet of the blasting airflow; and a nozzle mounted on the pedestal for amplifying the input airflow range, the central portion of the nozzle is hollow, having a nozzle airflow inlet at the nozzle , an opening for receiving the jet airflow of the base; a first wall for juxtaposition; a second wall for juxtaposition; a first wall end, the first wall and the second The end of the wall is juxtaposed; a second wall end is located at the end of the first wall and the second wall juxtaposed, and the second wall end is combined with the first wall end in an annular or folded shape for air circulation The nozzle is also formed as an annular hollow, and most of the central area is hollow, which can be circulated by light and airflow, or each closed to prevent the airflow from flowing out from the first wall end or the second wall end; The internal air flow passage is located in a gap between the first wall and the second wall for airflow; a first wall edge is a wall edge of the first wall and the second wall side by side; a nozzle air outlet , located at the edge of the first wall, is a slit nozzle air outlet of the tapered area for ejecting air flow; and a second wall edge is a wall edge of the first wall and the second wall juxtaposed to close and block The airflow flows out, and the edge of the second wall is annular or folded, and is folded toward the air outlet of the nozzle, and is folded outward in the same direction as the airflow in the annular or folded shape, or flows toward the airflow in an annular or folded shape. The direction is folded inwardly into a closed wall to prevent airflow from flowing in, and the second wall is folded to form a Coanda surface, which is close to the nozzle airflow outlet for generating a Coanda effect, increasing the overall flow of the final output airflow. , can also reduce the overall volume of the nozzle; a diffusing surface formed by the second wall for guiding the airflow in the direction in which it is directed; and a closed wall which is folded or formed into a closed wall by the first wall, and the closed wall is at the edge of the second wall Can be attached to the second wall to prevent airflow.

為達上述目的,本案另一較廣義實施樣態,其包括:一基座其具有:一內部風扇,用以吸入氣流以及噴出氣流;一基座氣流入口,用以作為吸入氣流之入口;以及一基座氣流出口,用以作為噴出氣流之出口;以及一噴嘴,噴嘴裝在基座上,用以放大輸入氣流範圍,噴嘴中央大部份面積為空心,其具有:一噴嘴氣流入口,位於噴嘴,為一開口,用以接收基座之噴出氣流;一第一面牆壁,用以並列組合;一第二面牆壁,用以並列組合;一第一牆壁端,位於第一面牆壁與第二面牆壁並列組合之端點;一第二牆壁端,位於第一面牆壁與第二面牆壁並列組合之端點,第二牆壁端以環狀或折疊狀結合第一牆壁端,用以氣流流通,亦形成噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通,或各自閉合以阻止氣流由第一牆壁端或第二牆壁端流出;一噴嘴內部氣流通道,位於第一面牆壁與第二面牆壁並列組合之空隙,用以氣流流通;一第一牆壁邊緣,為第一面牆壁與第二面牆壁並列組合之牆壁邊緣;一噴嘴氣流出口,位於第一牆壁邊緣,為矩形區域之狹縫噴嘴氣流出口,用以噴出氣流;一第二牆壁邊緣,為第一面牆壁與第二面牆壁並列組合之牆壁邊緣,用以閉合,阻止氣流流出,在第二牆壁邊緣處,第一面牆壁與第二面牆壁等距平行向噴嘴氣流出口折疊,隨同第二面牆壁以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向內折疊成封閉牆阻止氣流流入,第二面牆壁會折疊形成一康達面(Coanda surface),接近該噴嘴氣流出 口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也用以縮小噴嘴整體體積;一擴散面,由第二面牆壁形成擴散面,用以導引氣流於其指引方向;以及一密閉牆壁,由第二面牆壁以環狀或折疊狀,折疊成一密閉牆壁,密閉牆壁在第二牆壁邊緣可黏著另一第一面牆壁,用以阻止氣流流出。 In order to achieve the above object, another broadly-implemented embodiment of the present invention includes: a pedestal having: an internal fan for drawing in the airflow and ejecting the airflow; and a pedestal airflow inlet for the inlet of the suction airflow; a pedestal air outlet for use as an outlet for the ejected air stream; and a nozzle mounted on the pedestal for amplifying the input airflow range, the central portion of the nozzle being substantially hollow, having a nozzle airflow inlet located at The nozzle is an opening for receiving the jet airflow of the base; a first wall for juxtaposition; a second wall for juxtaposition; a first wall end, the first wall and the first The end of the two sides of the wall is juxtaposed; a second wall end is located at the end of the first wall and the second wall juxtaposed, and the second wall end is combined with the first wall end in an annular or folded shape for airflow Circulating, the nozzle is also formed as an annular hollow, most of the central area is hollow, can be circulated by light and airflow, or each closed to prevent the airflow from flowing out from the first wall end or the second wall end; The internal airflow passage of the mouth is located in a gap of the first wall and the second wall in parallel, for airflow; a first wall edge is a wall edge of the first wall and the second wall juxtaposed; a nozzle airflow The outlet is located at the edge of the first wall and is a slit nozzle air outlet of the rectangular area for ejecting the air flow; and a second wall edge is a wall edge of the first wall and the second wall juxtaposed to close and block The airflow flows out, and at the edge of the second wall, the first wall and the second wall are equidistantly parallel to the nozzle airflow outlet, and are folded or looped in the same direction as the second wall in an annular or folded manner. The shape of the airflow or the fold is folded inwardly to the opposite direction to form a closed wall to prevent the airflow from flowing in. The second wall is folded to form a Coanda surface, and the airflow is close to the nozzle. Port for generating the Coanda effect, increasing the overall flow of the final output airflow, and also for reducing the overall volume of the nozzle; a diffusing surface that forms a diffusing surface from the second wall to direct the airflow in its direction And a closed wall, which is folded or folded into a closed wall by the second wall, and the sealed wall can be adhered to the other first wall at the edge of the second wall to prevent the airflow from flowing out.

1‧‧‧簡易結合噴嘴 1‧‧‧Simple combined nozzle

2‧‧‧簡易結合噴嘴氣流出口 2‧‧‧Easy combined nozzle airflow outlet

3‧‧‧簡易結合噴嘴內部氣流通道 3‧‧‧Easy combination of nozzle internal airflow passage

4‧‧‧簡易結合第一面牆壁 4‧‧‧Easy combination of the first wall

5‧‧‧簡易結合第二面牆壁 5‧‧‧Easy combination with the second wall

6‧‧‧簡易結合康達面(Coanda surface) 6‧‧‧Simplified combination of Coanda surface

7‧‧‧簡易結合擴散面 7‧‧‧Simplified combined diffusion surface

8‧‧‧簡易結合噴嘴氣流入口 8‧‧‧Easy combined nozzle airflow inlet

10、13‧‧‧風扇 10, 13‧‧‧ fans

11、14‧‧‧基座 11, 14‧‧‧ Pedestal

12、15‧‧‧噴嘴 12, 15‧‧‧ nozzle

110、140‧‧‧內部風扇 110, 140‧‧‧ internal fan

111、141‧‧‧基座氣流入口 111, 141‧‧ ‧ pedestal air inlet

112、142‧‧‧基座氣流出口 112, 142‧‧‧ pedestal air outlet

113‧‧‧鼓風扇 113‧‧‧Blowing fan

114‧‧‧鼓風扇氣流出口 114‧‧‧Blow fan air outlet

115‧‧‧鼓風扇氣流入口 115‧‧‧Blow fan air inlet

116‧‧‧鼓風扇葉片 116‧‧‧Blow fan blades

117‧‧‧鼓風扇馬達 117‧‧‧Blow fan motor

121、151‧‧‧噴嘴氣流入口 121, 151‧‧‧ nozzle air inlet

122、152‧‧‧噴嘴氣流出口 122, 152‧‧‧ nozzle air outlet

123、153‧‧‧噴嘴內部氣流通道 123, 153‧‧‧ nozzle internal air passage

124、154‧‧‧第一面牆壁 124, 154‧‧‧ first wall

125、155‧‧‧第二面牆壁 125, 155‧‧‧ second wall

126、156‧‧‧康達面(Coanda surface) 126, 156‧‧‧ Coanda surface

127、157‧‧‧擴散面 127, 157‧‧ ‧ diffusion surface

128、158‧‧‧密閉牆壁 128, 158‧‧‧ Closed walls

129、159‧‧‧第一牆壁邊緣 129, 159‧‧‧ first wall edge

130、160‧‧‧第二牆壁邊緣 130, 160‧‧‧ second wall edge

131、161‧‧‧第一牆壁端 131,161‧‧‧First wall end

132、162‧‧‧第二牆壁端 132, 162‧‧‧ second wall end

第1圖係為簡易結合噴嘴實施例之簡易結合噴嘴之部份示意圖。 Fig. 1 is a partial schematic view of a simple coupling nozzle of an embodiment of a simple coupling nozzle.

第2圖係為本案風扇實施例之正面示意圖。 Figure 2 is a front elevational view of the fan embodiment of the present invention.

第3圖係為本案風扇實施例之噴嘴之部份示意圖。 Figure 3 is a partial schematic view of the nozzle of the fan embodiment of the present invention.

第4圖係為本案另一風扇實施例之正面示意圖。 Figure 4 is a front elevational view of another fan embodiment of the present invention.

第5圖係為本案另一風扇實施例之噴嘴之部份示意圖。 Figure 5 is a partial schematic view of the nozzle of another fan embodiment of the present invention.

第6圖係為本案鼓風扇實施例示意圖。 Figure 6 is a schematic view of an embodiment of the blower fan of the present invention.

第7圖係為本案另二風扇實施例之正面示意圖。 Figure 7 is a front elevational view of another embodiment of the fan of the present invention.

在一態樣請參閱第2圖以及第3圖,第2圖係為本案風扇實施例之正面示意圖,由第2圖可知,一風扇10其包括:一基座11,其具有:一內部風扇110,用以吸入氣流以及噴出氣流;一基座氣流入口111,用以作為吸入氣流之入口;以及一基座氣流出口112,用以作為噴出氣流之出口;以及一噴嘴12,噴嘴12裝在基座11上,噴嘴12中央大部份面積為空心,可通過光線及氣流流通,用以放大輸入氣流範圍,其具有:一噴嘴氣流入口121,位於噴嘴12,為一開口,用以接收基座氣流出口112之噴出氣流;一噴嘴氣 流出口122,用以噴出氣流;一噴嘴內部氣流通道123,用以氣流流通;一第一面牆壁124,用以並列組合;一第二面牆壁125,用以第一面牆壁124與第二面牆壁125並列組合;一康達面(Coanda surface)126,其接近噴嘴氣流出口122,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量;以及一擴散面127,用以導引氣流於其指引方向。 Referring to FIG. 2 and FIG. 3, FIG. 2 is a front view of the fan embodiment of the present invention. As shown in FIG. 2, a fan 10 includes: a base 11 having an internal fan. 110, for inhaling the airflow and ejecting the airflow; a pedestal airflow inlet 111 for the inlet of the suction airflow; and a pedestal airflow outlet 112 for the outlet of the effluent airflow; and a nozzle 12, the nozzle 12 is mounted On the pedestal 11, the central portion of the nozzle 12 is hollow, and can be circulated by light and airflow for amplifying the input airflow range. The nozzle 12 has a nozzle airflow inlet 121 located at the nozzle 12 as an opening for receiving the base. a jet of air from the air outlet 112; a nozzle gas An outlet 122 for ejecting air; a nozzle internal air passage 123 for airflow; a first wall 124 for juxtaposition; a second wall 125 for a first wall 124 and a second The face walls 125 are juxtaposed; a Coanda surface 126 that is adjacent to the nozzle airflow outlet 122 for generating a Coanda effect, increasing the overall flow of the final output airflow; and a diffusing surface 127 for guiding The air flow is directed in its direction.

第3圖係為本案風扇實施例之噴嘴之部份示意圖。由第3圖可知一噴嘴12,噴嘴12裝在基座11上,用以放大輸入氣流範圍,噴嘴12中央大部份面積為空心,其具有:一噴嘴氣流入口121,位於噴嘴12,為一開口,用以接收基座11之噴出氣流;一第一面牆壁124,用以並列組合;一第二面牆壁125,用以並列組合;一第一牆壁端131,位於第一面牆壁124與第二面牆壁125並列組合之端點;一第二牆壁端132,位於第一面牆壁124與第二面牆壁125並列組合之端點,第二牆壁端132以環狀或折疊狀結合第一牆壁端131,用以氣流流通,亦形成噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通;一噴嘴內部氣流通道123,位於第一面牆壁124與第二面牆壁125並列組合之空隙,用以氣流流通;一第一牆壁邊緣129,為第一面牆壁124與第二面牆壁125並列組合之牆壁邊緣;一噴嘴氣流出口122,位於第一牆壁邊緣129,為錐形區域之狹縫噴嘴氣流出口,用以噴出氣流;一第二牆壁邊緣130,為第一面牆壁124與第二面牆壁125並列組合之牆壁邊緣,用以閉合,阻止氣流流出,第二牆壁邊緣130以環狀或折疊狀,向噴嘴氣流出口折疊,隨同第二面牆壁125以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向內折疊成封閉牆阻止氣流流入,第二面牆壁125會折疊形成一康達面(Coanda surface)126,接近該噴嘴氣 流出口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也可以縮小噴嘴整體體積;一擴散面127,由第二面牆壁125形成,用以導引氣流於其指引方向;以及一密閉牆壁128,由第一面牆壁124以環狀或折疊狀,折疊成密閉牆壁128,密閉牆壁128在第二牆壁邊緣130可黏著第二面牆壁125,用以阻止氣流流出。 Figure 3 is a partial schematic view of the nozzle of the fan embodiment of the present invention. A nozzle 12 is known from the third figure. The nozzle 12 is mounted on the base 11 for amplifying the input airflow range. The central portion of the nozzle 12 is hollow. The nozzle 12 has a nozzle airflow inlet 121 located at the nozzle 12. An opening for receiving the jet stream of the base 11; a first wall 124 for juxtaposition; a second wall 125 for juxtaposition; a first wall end 131 located at the first wall 124 The second wall 125 is juxtaposed to the end of the combination; a second wall end 132 is located at the end of the first wall 124 and the second wall 125 juxtaposed, and the second wall end 132 is combined in a ring or fold shape. The wall end 131 is used for airflow, and the nozzle is formed into an annular hollow. Most of the central portion is hollow and can be circulated by light and airflow. A nozzle internal airflow passage 123 is located at the first wall 124 and the second wall 125. The air gap is arranged in parallel; a first wall edge 129 is a wall edge in which the first wall 124 and the second wall 125 are juxtaposed; a nozzle air outlet 122 is located at the first wall edge 129 and is a cone Shaped area a slit nozzle air outlet for ejecting airflow; a second wall edge 130, a wall edge of the first wall 124 and the second wall 125 juxtaposed to close, preventing airflow, and the second wall edge 130 Annular or folded, folded toward the nozzle airflow outlet, and folded along the second wall 125 in an annular or folded shape toward the airflow in the same direction or folded in an annular or folded shape toward the airflow in the opposite direction to form a closed wall. Blocking the inflow of air, the second wall 125 will fold to form a Coanda surface 126, close to the nozzle gas The outflow port is used to generate a Coanda effect, increasing the overall flow of the final output airflow, and also reducing the overall volume of the nozzle; a diffusing surface 127 formed by the second wall 125 for guiding the airflow in its guiding direction And a sealed wall 128, which is folded or folded into a closed wall 128 by the first wall 124, and the sealed wall 128 can be adhered to the second wall 125 at the second wall edge 130 to prevent airflow.

在另一態樣請參閱第4圖、第5圖及第6圖,第4圖係為本案另一風扇實施例之正面示意圖,由第4圖可知,一風扇13其包括:一基座14,其具有:一內部風扇140,用以吸入氣流以及噴出氣流;一基座氣流入口141,用以作為吸入氣流之入口;以及一基座氣流出口142,用以作為噴出氣流之出口;以及一噴嘴15,噴嘴15裝在基座14上,噴嘴15中央大部份面積為空心,可通過光線及氣流流通,用以放大輸入氣流範圍,其具有:一噴嘴氣流入口151,為一開口,用以接收基座氣流出口142之噴出氣流;一噴嘴氣流出口152,用以噴出氣流;一噴嘴內部氣流通道153,用以氣流流通;一第一面牆壁154,用以並列組合;一第二面牆壁155,用以第一面牆壁154與第二面牆壁155並列組合;一康達面(Coanda surface)156,接近噴嘴氣流出口152,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量;以及一擴散面157,用以導引氣流於其指引方向。 In another aspect, please refer to FIG. 4, FIG. 5 and FIG. 6. FIG. 4 is a front view of another fan embodiment of the present invention. As can be seen from FIG. 4, a fan 13 includes: a base 14 The utility model has an internal fan 140 for taking in airflow and a jetted airflow, a pedestal airflow inlet 141 for inlet of the suction airflow, and a pedestal airflow outlet 142 for exiting the blasting airflow; The nozzle 15 is mounted on the base 14. The central portion of the nozzle 15 is hollow and can be circulated by light and airflow for amplifying the input airflow range. The nozzle 15 has a nozzle airflow inlet 151 and is an opening. The nozzle airflow outlet 152 is configured to discharge the airflow; a nozzle airflow passage 153 is used for airflow; a first wall 154 for juxtaposition; and a second side The wall 155 is configured to combine the first wall 154 and the second wall 155 in parallel; a Coanda surface 156 is adjacent to the nozzle air outlet 152 for generating a Coanda effect and increasing the final output airflow. whole Flow rate; and a diffusing surface 157, for guiding the airflow guide direction thereof.

第5圖係為本案另一風扇實施例之噴嘴之部份示意圖。由第5圖可知一噴嘴15,噴嘴15裝在基座14上,用以放大輸入氣流範圍,噴嘴15中央大部份面積為空心,其具有:一噴嘴氣流入口151,位於噴嘴15,為一開口,用以接收基座14之噴出氣流;一第一面牆壁154,用以並列組合;一第二面牆壁155,用以並列組合;一第一牆壁端161,位於第一面牆壁154與 第二面牆壁155並列組合之端點;一第二牆壁端162,位於第一面牆壁154與第二面牆壁155並列組合之端點,第二牆壁端162以環狀或折疊狀結合第一牆壁端161,用以氣流流通,亦形成噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通;一噴嘴內部氣流通道153,位於第一面牆壁與154第二面牆壁155並列組合之空隙,用以氣流流通;一第一牆壁邊緣159,為第一面牆壁154與第二面牆壁155並列組合之牆壁邊緣;一噴嘴氣流出口152,位於第一牆壁邊緣159,為矩形區域之狹縫噴嘴氣流出口152,用以噴出氣流;一第二牆壁邊緣160,為第一面牆壁154與第二面牆壁155並列組合之牆壁邊緣,用以閉合,阻止氣流流出,在第二牆壁邊緣160處,第一面牆壁154與第二面牆壁155等距平行向噴嘴氣流出口152折疊,隨同第二面牆壁155以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向內折疊成封閉牆阻止氣流流入,第二面牆壁155會折疊形成一康達面(Coanda surface)156,接近該噴嘴氣流出口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也用以縮小噴嘴整體體積;一擴散面157,由第二面牆壁155形成擴散面157,用以導引氣流於其指引方向;以及一密閉牆壁158,由第二面牆壁155以環狀或折疊狀,折疊成一密閉牆壁158,密閉牆壁158在第二牆壁邊緣160可黏著另一第一面牆壁154,用以阻止氣流流出。 Figure 5 is a partial schematic view of the nozzle of another fan embodiment of the present invention. A nozzle 15 is illustrated in FIG. 5, and the nozzle 15 is mounted on the base 14 for amplifying the input airflow range. The central portion of the nozzle 15 is hollow. The nozzle 15 has a nozzle airflow inlet 151 and is located at the nozzle 15. An opening for receiving the jet stream of the base 14; a first wall 154 for juxtaposition; a second wall 155 for juxtaposition; a first wall end 161 located at the first wall 154 The second wall 155 is juxtaposed to the end of the combination; a second wall end 162 is located at the end of the first wall 154 and the second wall 155 juxtaposed, and the second wall end 162 is combined in a ring or fold shape. The wall end 161 is used for airflow, and the nozzle is also formed as an annular hollow. Most of the central portion is hollow and can be circulated by light and airflow. A nozzle internal airflow passage 153 is located at the first wall and the 154 second wall 155. The air gaps are arranged in parallel; a first wall edge 159 is a wall edge in which the first wall 154 and the second wall 155 are juxtaposed; a nozzle air outlet 152 is located at the first wall edge 159 and is rectangular. a slit nozzle air outlet 152 for discharging airflow; a second wall edge 160 is a wall edge of the first wall 154 and the second wall 155 combined for closing to prevent airflow, in the second At the wall edge 160, the first wall 154 and the second wall 155 are folded equidistantly toward the nozzle air outlet 152, and are folded outwardly in the same direction as the second wall 155 in an annular or folded manner. The airflow flows in a ring or fold shape to the opposite direction and folds inwardly to form a closed wall to prevent the airflow from flowing in. The second wall 155 is folded to form a Coanda surface 156, which is close to the nozzle airflow outlet for generating the Kangda. Coanda effect, increasing the overall flow rate of the final output airflow, also used to reduce the overall volume of the nozzle; a diffusing surface 157, forming a diffusing surface 157 by the second wall 155 for guiding the airflow in its guiding direction; and a sealing The wall 158 is folded or folded into a closed wall 158 by the second wall 155. The sealed wall 158 can be adhered to the other first wall 154 at the second wall edge 160 to prevent the airflow from flowing out.

第6圖係為本案鼓風扇實施例示意圖,由第6圖可知一鼓風扇113代表第4圖中內部風扇140,用以吸入氣流以及噴出氣流其具有:一鼓風扇氣流出口114;一鼓風扇氣流入口115;一鼓風扇葉片116;以及一鼓風扇馬達117。 Figure 6 is a schematic view of an embodiment of a blower fan of the present invention. It can be seen from Fig. 6 that a blower fan 113 represents an internal fan 140 in Fig. 4 for drawing in airflow and ejecting airflow having: a blower fan air outlet 114; a blower fan An airflow inlet 115; a blower fan blade 116; and a blower fan motor 117.

在另二態樣請參閱第7圖,第7圖係為本案另二風扇實施例之正面示意圖,由第7圖可知,一風扇10其包括:一基座11,其具有:一內部風扇110,用以吸入氣流以及噴出氣流;一基座氣流入口111,用以作為吸入氣流之入口;以及一基座氣流出口112,用以作為噴出氣流之出口;以及一噴嘴12,噴嘴12裝在基座11上,噴嘴12中央大部份面積為空心,可通過光線及氣流流通,用以放大輸入氣流範圍,其具有:一噴嘴氣流入口121,位於噴嘴12,為一開口,用以接收基座氣流出口112之噴出氣流;一噴嘴氣流出口122,用以噴出氣流;一噴嘴內部氣流通道123,用以氣流流通;一第一面牆壁124,用以並列組合;一第二面牆壁125,用以第一面牆壁124與第二面牆壁125並列組合;一第一牆壁端131,位於第一面牆壁124與第二面牆壁125並列組合之端點,用以閉合,阻止氣流流出;一第二牆壁端132,位於第一面牆壁124與第二面牆壁125並列組合之端點,用以閉合,阻止氣流流出,亦形成噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通;一康達面(Coanda surface)126,其接近噴嘴氣流出口122,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量;以及一擴散面127,用以導引氣流於其指引方向。 In another aspect, please refer to FIG. 7. FIG. 7 is a front view of another embodiment of the fan of the present invention. As shown in FIG. 7, a fan 10 includes: a base 11 having an internal fan 110. a suction airflow and a discharge airflow; a pedestal airflow inlet 111 for the inlet of the suction airflow; and a pedestal airflow outlet 112 for the outlet of the effluent airflow; and a nozzle 12, the nozzle 12 being mounted on the base In the seat 11, the central portion of the nozzle 12 is hollow and can be circulated by light and airflow for amplifying the input airflow range. The nozzle 12 has a nozzle airflow inlet 121 located at the nozzle 12 as an opening for receiving the base. a jet stream of the air outlet 112; a nozzle air outlet 122 for ejecting air; a nozzle internal air passage 123 for airflow; a first wall 124 for juxtaposition; and a second wall 125 for The first wall 124 is juxtaposed with the second wall 125; a first wall end 131 is located at the end of the first wall 124 and the second wall 125 juxtaposed to close, preventing the airflow from flowing out; The wall end 132 is located at the end of the first wall 124 and the second wall 125 side by side for closing, preventing the airflow from flowing out, and forming the nozzle as an annular hollow, and most of the central area is hollow, which can pass light and airflow. Circulating; a Coanda surface 126 that is adjacent to the nozzle airflow outlet 122 for generating a Coanda effect, increasing the overall flow of the final output airflow; and a diffusing surface 127 for directing airflow over it give directions.

本案提供一種風扇解決一般風扇有葉片干擾光線及不易清潔問題;解決無康達效應(Coanda effect)之已知無葉片風扇,出風效果不佳問題;解決已知無葉片風扇無擴散面無法導引出風效果問題;解決簡易結合噴嘴整體體積過大問題。 The present invention provides a fan to solve the problem that the general fan has blade interference light and is not easy to clean; solves the problem of poor fan-out effect of the known bladeless fan without Coanda effect; solves the problem that the known bladeless fan has no diffusion surface The problem of the wind effect is solved; the problem of simply combining the overall volume of the nozzle is solved.

另外提供一種扁平風扇,使用鼓風扇,解決一般風扇及已知無葉風扇,不易攜帶,車上使用太佔空間問題。 In addition, a flat fan is provided, which uses a blower fan to solve a general fan and a known leafless fan, which is not easy to carry, and the use on the vehicle is too space-consuming.

是以本案之風扇極具產業之價值,依法提出申請。本案得由熟知此技術之人士任施匠思而為諸般修飾,然皆不脫如附申請專利範圍所欲保護者。 The fan of this case is of great industrial value and is submitted according to law. This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

10‧‧‧風扇 10‧‧‧fan

11‧‧‧基座 11‧‧‧Base

12‧‧‧噴嘴 12‧‧‧ nozzle

111‧‧‧基座氣流入口 111‧‧‧Base air inlet

112‧‧‧基座氣流出口 112‧‧‧Base air outlet

121‧‧‧噴嘴氣流入口 121‧‧‧Nozzle air inlet

122‧‧‧噴嘴氣流出口 122‧‧‧Nozzle air outlet

123‧‧‧噴嘴內部氣流通道 123‧‧‧Nozzle internal airflow passage

124‧‧‧第一面牆壁 124‧‧‧First wall

125‧‧‧第二面牆壁 125‧‧‧ second wall

126‧‧‧康達面(Coanda surface) 126‧‧‧Coanda surface

127‧‧‧擴散面 127‧‧‧Diffusion surface

Claims (15)

一種風扇,用以加速氣流流通,其包括:一基座,用以噴出氣流;以及一噴嘴,該噴嘴裝在該基座上,用以放大輸入氣流範圍,其具有:一噴嘴氣流入口,位於該噴嘴,為一開口,用以接收該基座之噴出氣流;一第一面牆壁,用以並列組合;一第二面牆壁,用以並列組合;一第一牆壁端,位於該第一面牆壁與該第二面牆壁並列組合之端點;一第二牆壁端,位於該第一面牆壁與該第二面牆壁並列組合之端點,該第二牆壁端結合該第一牆壁端,用以氣流流通;一噴嘴內部氣流通道,位於該第一面牆壁與該第二面牆壁並列組合之空隙,用以氣流流通;一第一牆壁邊緣,為該第一面牆壁與該第二面牆壁並列組合之牆壁邊緣;一噴嘴氣流出口,位於該第一牆壁邊緣,為一開口,用以噴出氣流;以及一第二牆壁邊緣,為該第一面牆壁與該第二面牆壁並列組合之牆壁邊緣,用以閉合,阻止氣流流出,該第二牆壁邊緣以環狀或折疊狀,向該噴嘴氣流出口折疊,隨同第二面牆壁以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向 內折疊成封閉牆阻止氣流流入,第二面牆壁會折疊形成一康達面(Coanda surface),接近該噴嘴氣流出口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也可以縮小該噴嘴整體體積。 A fan for accelerating airflow, comprising: a base for ejecting airflow; and a nozzle mounted on the base for amplifying an input airflow range, having: a nozzle airflow inlet, located at The nozzle is an opening for receiving the jet airflow of the base; a first wall for juxtaposition; a second wall for juxtaposition; a first wall end located at the first side An end of the wall and the second wall being juxtaposed; a second wall end located at an end of the first wall and the second wall being juxtaposed, the second wall end being coupled to the first wall end Circulating in the airflow; a nozzle internal airflow passage is located in a gap between the first wall and the second wall for airflow; a first wall edge is the first wall and the second wall a wall edge of the side-by-side combination; a nozzle air outlet at the edge of the first wall, being an opening for ejecting airflow; and a second wall edge for juxtaposing the first wall and the second wall a wall edge for closing to prevent the airflow from flowing out, the second wall edge being folded in an annular or folded shape, folded toward the nozzle airflow outlet, and being folded outward in the same direction as the second wall in an annular or folded manner Flowing in the opposite direction to the airflow in a ring or fold The inner wall is folded into a closed wall to prevent the airflow from flowing in, and the second wall is folded to form a Coanda surface, which is close to the air outlet of the nozzle for generating a Coanda effect and increasing the overall flow of the final output airflow. The overall volume of the nozzle can be reduced. 根據申請專利範圍第1項所述風扇,其中該第二牆壁端以環狀或折疊狀結合該第一牆壁端,用以氣流流通,亦形成該噴嘴為環形中空,中央大部份面積為空心,可通過光線及氣流流通。 According to the fan of claim 1, wherein the second wall end is coupled to the first wall end in an annular or folded shape for airflow, and the nozzle is formed as an annular hollow, and most of the central portion is hollow. It can be circulated through light and air. 根據申請專利範圍第1項所述風扇,其中該噴嘴氣流入口位於該第一面牆壁或位於該第二面牆壁,可以一個或複數個。 The fan according to claim 1, wherein the nozzle airflow inlet is located at the first wall or at the second wall, and may be one or plural. 根據申請專利範圍第1項所述風扇,其中該第一牆壁邊緣,形成錐形區域之狹縫該噴嘴氣流出口,用以噴出氣流。 The fan according to claim 1, wherein the first wall edge forms a slit of the tapered region and the nozzle airflow outlet is for ejecting the airflow. 根據申請專利範圍第1項所述風扇,其中該第一牆壁邊緣,形成矩形區域之狹縫該噴嘴氣流出口,用以噴出氣流。 The fan according to claim 1, wherein the first wall edge forms a slit of the rectangular area and the nozzle air flow outlet is for ejecting the air flow. 根據申請專利範圍第1項所述風扇,該噴嘴氣流出口,可以隔成複數個空間。 According to the fan of the first aspect of the patent application, the air outlet of the nozzle can be divided into a plurality of spaces. 根據申請專利範圍第1項所述風扇,其中在該第二牆壁邊緣處,該第一面牆壁與該第二面牆壁等距平行向該噴嘴氣流出口折疊,用以縮小該噴嘴整體體積。 The fan according to claim 1, wherein at the edge of the second wall, the first wall is folded equidistantly from the second wall toward the nozzle air outlet to reduce the overall volume of the nozzle. 根據申請專利範圍第1項所述風扇,其中包括一擴散面由該第二面牆壁形成該擴散面,用以導引氣流於其指引方向。 The fan according to claim 1, wherein a diffusing surface is formed by the second wall to guide the airflow in a guiding direction thereof. 根據申請專利範圍第1項所述風扇,其中由該第一面牆壁以環狀或折疊狀,折疊成一密閉牆壁,該密閉牆壁在該第二牆壁邊緣可黏著另一該二面牆壁牆壁,用以阻止氣流流出。 The fan according to claim 1, wherein the first wall is folded into a closed wall in a ring shape or a folded shape, and the sealed wall is adhered to the other wall wall at the edge of the second wall. To prevent the airflow from flowing out. 根據申請專利範圍第1項所述風扇,其中由該第二面牆壁以環狀或折疊狀,折疊成一密閉牆壁,該密閉牆壁在該第二牆壁邊緣可黏著另一該第一面牆壁,用以阻止氣流流出。 The fan according to claim 1, wherein the second wall is folded into a closed wall in a ring shape or a folded shape, and the sealed wall is adhered to the other wall at the edge of the second wall. To prevent the airflow from flowing out. 根據申請專利範圍第1項所述風扇,其中包括一密閉牆壁,可直接用一第三面牆壁當該密閉牆壁,該密閉牆壁在該第二牆壁邊緣黏著該第一面牆壁以及該第二面牆壁,用以阻止氣流流出。 The fan according to claim 1, wherein the fan includes a sealed wall directly facing the sealed wall, and the sealed wall adheres to the first wall and the second side at the edge of the second wall. Wall to prevent airflow. 根據申請專利範圍第1項所述風扇,其中該基座包含:一內部風扇,用以吸入氣流以及噴出氣流;一基座氣流入口,用以作為吸入氣流之入口;以及一基座氣流出口,用以作為噴出氣流之出口。 The fan according to claim 1, wherein the base comprises: an internal fan for drawing in the airflow and the jetted airflow; a base airflow inlet for the intake of the intake airflow; and a base airflow outlet, Used as an outlet for the jet stream. 根據申請專利範圍第12項所述風扇,其中該內部風扇為一鼓風扇,用以吸入氣流以及噴出氣流。 The fan of claim 12, wherein the internal fan is a blower fan for drawing in airflow and ejecting airflow. 一種風扇,用以加速氣流流通,其包括:一基座,用以噴出氣流;以及一噴嘴,該噴嘴裝在該基座上,用以放大輸入氣流範圍,其具有:一噴嘴氣流入口,位於該噴嘴,為一開口,用以接收該基座之噴出氣流;一第一面牆壁,用以並列組合;一第二面牆壁,用以並列組合;一第一牆壁端,位於該第一面牆壁與該第二面牆壁並列組合之端點,用 以閉合,阻止氣流流出;一第二牆壁端,位於該第一面牆壁與該第二面牆壁並列組合之端點,用以閉合,阻止氣流流出;一噴嘴內部氣流通道,位於該第一面牆壁與該第二面牆壁並列組合之空隙,用以氣流流通;一第一牆壁邊緣,為該第一面牆壁與該第二面牆壁並列組合之牆壁邊緣;一噴嘴氣流出口,位於該第一牆壁邊緣,為一開口,用以噴出氣流;以及一第二牆壁邊緣,為該第一面牆壁與該第二面牆壁並列組合之牆壁邊緣,用以閉合,阻止氣流流出,該第二牆壁邊緣以環狀或折疊狀,向該噴嘴氣流出口折疊,隨同第二面牆壁以環狀或折疊狀向氣流流向同方向向外折疊或以環狀或折疊狀向氣流流向反方向向內折疊成封閉牆阻止氣流流入,第二面牆壁會折疊形成一康達面(Coanda surface),接近該噴嘴氣流出口,用以產生康達效應(Coanda effect),增加最後輸出氣流整體流量,也可以縮小該噴嘴整體體積。 A fan for accelerating airflow, comprising: a base for ejecting airflow; and a nozzle mounted on the base for amplifying an input airflow range, having: a nozzle airflow inlet, located at The nozzle is an opening for receiving the jet airflow of the base; a first wall for juxtaposition; a second wall for juxtaposition; a first wall end located at the first side The end of the wall and the second wall are juxtaposed Closing to prevent airflow from flowing out; a second wall end located at an end of the first wall and the second wall juxtaposed to close to prevent airflow; a nozzle internal airflow passage is located at the first side a space in which the wall and the second wall are juxtaposed for airflow; a first wall edge is a wall edge of the first wall and the second wall juxtaposed; a nozzle air outlet is located at the first An edge of the wall is an opening for ejecting airflow; and a second wall edge is a wall edge of the first wall and the second wall juxtaposed to close to prevent airflow, the second wall edge In an annular or folded shape, the nozzle airflow outlet is folded, and the second wall is folded in an annular or folded shape toward the airflow direction in the same direction or folded in an annular or folded shape toward the airflow direction in the opposite direction to be closed. The wall prevents airflow from flowing in, and the second wall folds to form a Coanda surface, close to the nozzle airflow outlet, to create a Coanda effect, and increase the final loss. The overall flow rate of the airflow can also reduce the overall volume of the nozzle. 根據申請專利範圍第14項所述風扇,其中包括一擴散面由該第二面牆壁形成一擴散面,用以導引氣流於其指引方向。 The fan according to claim 14, wherein the diffusing surface comprises a diffusing surface formed by the second wall for guiding the airflow in the guiding direction thereof.
TW105125894A 2016-08-15 2016-08-15 A fan TWI599723B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
TW105125894A TWI599723B (en) 2016-08-15 2016-08-15 A fan
CN201720765630.7U CN207064346U (en) 2016-08-15 2017-06-28 Fan with cooling device
JP2017003560U JP3213021U (en) 2016-08-15 2017-08-02 Blower
US15/670,723 US20180045203A1 (en) 2016-08-15 2017-08-07 Fan
US15/676,450 US20180066677A1 (en) 2016-08-15 2017-08-14 Fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW105125894A TWI599723B (en) 2016-08-15 2016-08-15 A fan

Publications (2)

Publication Number Publication Date
TWI599723B true TWI599723B (en) 2017-09-21
TW201809475A TW201809475A (en) 2018-03-16

Family

ID=60719708

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105125894A TWI599723B (en) 2016-08-15 2016-08-15 A fan

Country Status (1)

Country Link
TW (1) TWI599723B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488467A (en) * 1947-09-12 1949-11-15 Lisio Salvatore De Motor-driven fan
US20100150699A1 (en) * 2008-12-11 2010-06-17 Dyson Technology Limited Fan
KR101469965B1 (en) * 2014-02-07 2014-12-08 이광식 Nozzle device for no blades fan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488467A (en) * 1947-09-12 1949-11-15 Lisio Salvatore De Motor-driven fan
US20100150699A1 (en) * 2008-12-11 2010-06-17 Dyson Technology Limited Fan
KR101469965B1 (en) * 2014-02-07 2014-12-08 이광식 Nozzle device for no blades fan

Also Published As

Publication number Publication date
TW201809475A (en) 2018-03-16

Similar Documents

Publication Publication Date Title
CN207064346U (en) Fan with cooling device
KR100985378B1 (en) A bladeless fan for air circulation
ES2353934T3 (en) EXCÉNTRICO CHAFLÁN IN THE FORK ENTRY IN A FLOW CHANNEL.
KR20180030620A (en) Nozzle
WO2018157337A1 (en) Fan head and bladeless fan
TWI599723B (en) A fan
CN105020757B (en) A kind of fan structure of smoke exhaust ventilator forming artificial spout
TWI599724B (en) A fan
TWM544572U (en) A fan
CN102996531B (en) The two angle jet pipe of band without blade fan
TWM536281U (en) A fan
TWM538088U (en) A fan
JP5379661B2 (en) Exhaust device with auxiliary jet port and exhaust unit using the exhaust device with auxiliary jet port
TWI621817B (en) An air purifier
TWM545226U (en) An air purifier
KR102096778B1 (en) Bladeless Fans With Front And Rear Double Air Vents
CN103867498A (en) Bladeless fan provided with independent spray holes
CN210153002U (en) Column flow back-spraying flow-expanding device
TW201821697A (en) A fan
CN104566890B (en) Air duct structure and air conditioner
CN202937525U (en) Vaneless fan provided with independent spraying holes
CN204421301U (en) Air duct structure and air conditioner
TWM538085U (en) A fan
TW201817972A (en) A fan
TW201816274A (en) A fan

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees