TWM287387U - Fan and fan housing with air-guiding static blades - Google Patents

Fan and fan housing with air-guiding static blades Download PDF

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Publication number
TWM287387U
TWM287387U TW94214471U TW94214471U TWM287387U TW M287387 U TWM287387 U TW M287387U TW 94214471 U TW94214471 U TW 94214471U TW 94214471 U TW94214471 U TW 94214471U TW M287387 U TWM287387 U TW M287387U
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Taiwan
Prior art keywords
fan
flow
frame
fan frame
item
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TW94214471U
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Chinese (zh)
Inventor
Pei-Yu Chang
Tsu-Liang Lin
Wen-Shi Huang
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Delta Electronics Inc
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Application filed by Delta Electronics Inc filed Critical Delta Electronics Inc
Priority to TW94214471U priority Critical patent/TWM287387U/en
Publication of TWM287387U publication Critical patent/TWM287387U/en

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M287387M287387

修正/年ii A 八、新型說明: 補^_____ 【新型所屬之技術領域】 本創作係關於一種具導流靜葉之扇框及風扇,特別係關於一種 在翼形靜葉上延伸出導流件的扇框及風扇。 【先前技術】 習知軸流式風扇扇框如第1圖所示,包括一外框(1〇)、一在該 =框(10)内之底座(Π)以及複數個連接該外框(10)與該底座(u)之 靜葉(12)。請同時參閱第2圖,該習知風扇扇框(1)搭配扇葉(2)運作 時,因轉動慣性的關係,該扇葉(2)所帶動之氣流會在該扇框(1)之 出風口處產生紊流,且風量無法集中,導致氣流無法有效針對熱源 來散熱;特別係在高背壓下運作時,扇葉所產生的氣流會在靜葉(12) 曲面上產生紊流(如第3圖所示),容易導致扇葉(2)失速,氣流也 無法有效作功’並會產生較大的β喿音。 本創作即針對上述之缺失而提出一種具導流靜葉之風扇扇 框,可有效導引氣流流向,使氣流不致產生紊流的、情況。以下為本 創作之簡要說明。 【新型内容】 本創作之主要目的係在於提供一種具導流靜葉之扇框及風 扇,其係在每一靜葉曲面上沿圓周方向延伸出至少一導流件,該導 肌件之側壁可以改變氣流流場方向’而讓出風口之氣流集中針對熱 源來散熱;此外,該導流件亦具有整流之效果,可減少出風口與^ 葉曲面上之紊流流場的產生,可減少紊流所產生之噪音。 為達到上述目的,本創作之風扇包括一扇框及一設置於該扇框 内部之葉輪組。扇框包括一外框、一在該外框内之底座、複數個連 妾該外框與該底座之靜葉以及複數個在該等靜葉上沿圓周方向延 伸出至少一導流件。該靜葉係呈一翼形,包含一上曲面以及一下曲 :,該導流件可以係從該上曲面延伸而出,亦可從該下曲面延伸而 而不與相鄰之靜葉接觸。該導流件係利用其側壁來改變由扇葉 M287387 ▼之氣流流向,而能使氣流集中針對熱源來散熱一厂夏^^亥扇框 2風口與靜葉曲面上之紊流流場的產生,而能減少紊流所產生之噪 音。此外該等導流件之設計還可阻止外界異物從該扇框之出風口進 入’能保護扇框内部元件之安全。 ^為讓本創作之上述和其他目的、特徵、和優點能更明顯易 懂,下文特舉一較佳實施例,並配合所附圖式,作詳細說明如 下: 【實施方式】 凊參閱第4和5圖,本創作之具導流靜葉之風扇扇框包括一概 略呈方形之外框(30)、一在該外框内之圓形底座(3丨)、複數個連接 該外框與該底座之靜葉(32)以及複數個在該等靜葉上沿圓周方向 延伸出至少一導流件(33),本實施係在每一靜葉(32)上延伸出二個 導流件(33)做說明。 该靜葉(32)係呈一翼形,包含一上曲面(321)以及一下曲面 (322) ’該導流件(33)主要係從該下曲面(322)之頂部延伸而出;此 外,該導流件(33)係不與相鄰之靜葉(32)做實質接觸,以避免佔據 太多空間而不利氣流之流動。 請參閱第6和7圖,當一扇葉(4)轉動而產生氣流時,氣流可 藉由該導流件(33)側壁之導引而改變原來的流動方向,進而集中流 出該扇框(3)之出風口,可減少該扇框(3)出風口與該靜葉(32)曲面: 之紊流流場的產生,並減少紊流所產生之噪音。另外,該等導流件 (33)的設計還可阻止外界異物從該扇框(3)之出風口進入,能保護扇 框(3)内部元件之安全。 〃 + 請參閱第8、9圖,本創作之另一實施例為該導流件(33)包括 一強化部(331)與一導流部(332),該強化部(331)係與該從該靜葉(32) 之下曲面(322)做連接,而該導流部(332)係從該強化部(331)之底部 延伸而出。該強化部(331)除了可強化該導流件(33)之整體強度外, 並加大了導流件(33)之側壁面積,可增加整流的效果,氣流^藉由 該導流件(33)之側壁導引而集中流出該扇框(3)。 6 M287387 由於氣流會沿該靜葉(32)之上曲面(321)與下流動,該 導流件(33)亦可設計從該上曲面(32丨)延伸而出。請參閱第1〇和^ 圖’其繪示出該導流件(33)係從該靜葉(32)之上曲面(321)之底部延 伸而出,其整流原理與前述相同,在此不再贅述。當然此實施例之 導流件(33)亦可從該上曲面(321)之頂部延伸而出。' 本創作之重點在於在靜葉之表面延伸出至少一導流件,該導流 =之側壁可有效地引導氣流流向,因此,該導流件之形狀大小並無 舄特別限制如第I2和13圖所示,該導流件(33)係從該靜葉(32) ,上=面(321)延伸而出,為增加導流效果而加大側壁面積;其中 ί =机^ (33)之迎風頂面為一順著氣流流動方向之傾斜面,可減少 篁之損失。為因應不同尺寸、大小與形狀之扇葉,以及其所 I風與方向’導流件的大小與形狀也各異’以不影響輸 說明述僅為本創作之較佳實施例而已’上述實施例僅係用來 之申社專定本創作之申請專利範圍,本創作之⑽係由以下 與修飾,皆應屬本創作之涵蓋範圍。 別化 【圖式簡單說明】 第1圖為習知轴流式風扇扇框之立體剖面圖。 第2圖為習知轴流式風扇之氣流方向示意圖。 ^圖為習知轴流式風扇氣流在靜葉曲面上之流場示意圖。 件係從靜乍之風扇扇框一實施例的立體剖面圖,其中導流 靜葉的下曲面頂部延伸而出。 =5圖為第4圖之靜葉與導流件之剖面示意圖。 =6圖為氣流經過第4圖之靜葉與導流件的示意圖。 7圖為本創作之風扇扇框之氣流方向示意圖。 第8圖為本創作之風扇扇框另一眘 流件係從靜葉的下曲面延伸而出。·的立體剖面圖,其中導 M287387 f 修 I補充 第9圖為第8圖之靜葉與導流件之剖面示意圖。 第10圖為本創作之風扇扇框再—實施例的立體剖面圖,其中 導流件係從靜葉的上曲面底部延伸而出。 第11圖為第10圖之靜葉與導流件之剖面示意圖。 第12圖為本創作之風扇扇框再一實施例的立體剖面圖,其中 導流件係從靜葉的上曲面延伸而出。 第13圖為第12圖之靜葉與導流件之剖面示意圖。 【主要元件符號說明】 1、3 :扇框 10、3 0 :外框 11、31 :底座 2、4 :扇葉 321 :上曲面 331 :強化部 12、32 :靜葉 33 :導流件 322 :下曲面 332 :導流部Amendment/year ii A VIII. New description: Supplement ^_____ [New technical field] This creation is about a fan frame with a guide vane and a fan, especially for a kind of guide flow extending on the wing vane Fan frame and fan. [Prior Art] As shown in Fig. 1, the conventional axial fan fan frame includes an outer frame (1〇), a base (Π) in the = frame (10), and a plurality of connections to the outer frame ( 10) The vane (12) with the base (u). Please also refer to Fig. 2, when the fan frame (1) is operated with the fan blade (2), the airflow driven by the blade (2) will be in the fan frame (1) due to the rotational inertia. Turbulence is generated at the air outlet, and the air volume cannot be concentrated, which causes the airflow to be unable to effectively dissipate heat from the heat source; especially when operating under high back pressure, the airflow generated by the fan blades will generate turbulence on the surface of the vane (12) ( As shown in Figure 3, it is easy to cause the fan blade (2) to stall, and the airflow cannot work effectively' and produce a large β-sound. This creation proposes a fan fan frame with a guide vane for the above-mentioned lack, which can effectively guide the flow of airflow so that the airflow does not cause turbulence. The following is a brief description of the creation. [New content] The main purpose of the present invention is to provide a fan frame and a fan with a guide vane, which extends at least one flow guide in a circumferential direction on each vane surface, the side wall of the guide member The flow direction of the airflow can be changed, and the airflow of the air outlet is concentrated to dissipate heat for the heat source; in addition, the flow guide has a rectifying effect, which can reduce the generation of the turbulent flow field on the air outlet and the curved surface, and can reduce The noise generated by turbulence. To achieve the above object, the fan of the present invention includes a frame and an impeller set disposed inside the frame. The fan frame includes an outer frame, a base in the outer frame, a plurality of vanes connecting the outer frame and the base, and a plurality of at least one flow guiding member extending circumferentially on the vanes. The vane system has a wing shape and includes an upper curved surface and a curved surface. The flow guiding member may extend from the upper curved surface or may extend from the lower curved surface without contacting adjacent vanes. The flow guiding member uses its side wall to change the flow direction of the airflow by the fan blade M287387, and can concentrate the airflow on the heat source to dissipate the turbulent flow field on the wind tunnel and the vane surface of the factory. It can reduce the noise generated by turbulence. In addition, the design of the flow guiding members can also prevent external foreign matter from entering the air outlet of the fan frame to protect the internal components of the fan frame. The above and other objects, features, and advantages of the present invention will become more apparent and obvious. The following detailed description of the preferred embodiments, together with the accompanying drawings, will be described in detail as follows: [Embodiment] 第And in the figure 5, the fan frame of the present invention has a square-shaped outer frame (30), a circular base (3丨) in the outer frame, and a plurality of connecting the outer frame and The stationary vane (32) of the base and the plurality of at least one flow guiding member (33) extending circumferentially on the vanes, the present embodiment extends two guiding members on each vane (32) (33) To explain. The vane (32) is in the shape of a wing, and includes an upper curved surface (321) and a lower curved surface (322). The flow guiding member (33) mainly extends from the top of the lower curved surface (322); The deflector (33) does not make substantial contact with the adjacent vanes (32) to avoid occupying too much space and not facilitating the flow of the airflow. Referring to Figures 6 and 7, when a leaf (4) is rotated to generate an air flow, the air flow can be redirected by the side wall of the flow guide (33) to change the original flow direction, thereby concentrating out of the frame ( 3) The air outlet can reduce the generation of the turbulent flow field of the fan frame (3) and the surface of the vane (32), and reduce the noise generated by the turbulence. In addition, the design of the flow guiding members (33) can also prevent foreign matter from entering from the air outlet of the fan frame (3), and can protect the internal components of the fan frame (3). 〃 + Please refer to Figures 8 and 9. Another embodiment of the present invention is that the flow guiding member (33) includes a reinforcing portion (331) and a flow guiding portion (332), and the reinforcing portion (331) is coupled thereto. The curved surface (322) is connected from the vane (32), and the flow guiding portion (332) extends from the bottom of the reinforcing portion (331). The reinforcing portion (331) not only strengthens the overall strength of the flow guiding member (33), but also increases the sidewall area of the flow guiding member (33), thereby increasing the effect of rectification, and the air flow is by the flow guiding member ( 33) The side walls are guided to concentrate out of the fan frame (3). 6 M287387 The flow guide (33) can also be designed to extend from the upper curved surface (32丨) because the airflow will flow along the curved surface (321) of the vane (32). Please refer to FIG. 1 and FIG. 2, which shows that the flow guiding member (33) extends from the bottom of the curved surface (321) of the vane (32), and the rectification principle is the same as the foregoing, and Let me repeat. Of course, the flow guiding member (33) of this embodiment can also extend from the top of the upper curved surface (321). The focus of this creation is to extend at least one flow guide on the surface of the stationary vane. The side wall of the flow guide can effectively guide the flow of the airflow. Therefore, the shape and size of the flow guide are not particularly limited as in the case of I2 and As shown in Fig. 13, the flow guiding member (33) extends from the vane (32) and the upper surface (321) to increase the sidewall area for increasing the flow guiding effect; wherein ί = machine ^ (33) The top surface of the windward is an inclined surface along the flow direction of the airflow, which can reduce the loss of the raft. In order to respond to the fan blades of different sizes, sizes and shapes, and the wind and direction of the wind deflector, the size and shape of the deflector are also different, so that the description is only a preferred embodiment of the present invention. The examples are only for the scope of the patent application for the exclusive application of the Shenshe. The (10) of this creation is the following and the modifications, which should be covered by this creation. Differentiation [Simple description of the drawing] Fig. 1 is a perspective sectional view of a conventional axial fan fan frame. Figure 2 is a schematic view of the flow direction of a conventional axial flow fan. ^The figure shows the flow field of the conventional axial flow fan flow on the surface of the stationary blade. The article is a perspective cross-sectional view of an embodiment of a fan frame that is quiet, with the top of the lower curved surface of the flow vane extending out. The figure of Fig. 5 is a schematic cross-sectional view of the vane and the deflector of Fig. 4. Figure 6 is a schematic diagram of the airflow through the vanes and guides of Figure 4. Figure 7 is a schematic diagram of the airflow direction of the fan frame of the creation. Figure 8 is a fan fan frame of the creation of another fan flow from the lower surface of the vane. · The three-dimensional cross-sectional view, in which the guide M287387 f repair I supplement Figure 9 is a cross-sectional view of the vane and the flow guide of Figure 8. Figure 10 is a perspective, cross-sectional view of the fan frame of the present invention, in which the deflector extends from the bottom of the upper curved surface of the vane. Figure 11 is a schematic cross-sectional view of the vane and the flow guide of Fig. 10. Figure 12 is a perspective cross-sectional view showing still another embodiment of the fan frame of the present invention, wherein the flow guiding member extends from the upper curved surface of the stationary blade. Figure 13 is a schematic cross-sectional view of the vane and the deflector of Fig. 12. [Description of main component symbols] 1, 3: fan frame 10, 3 0: outer frame 11, 31: base 2, 4: fan blade 321 : upper curved surface 331 : reinforcing portion 12, 32 : stationary blade 33 : flow guiding member 322 : Lower surface 332 : Diversion

Claims (1)

M287387 九、申請專利範圍: 1 · 一種風扇扇框,包括 及 外框; 複數個靜葉,該些靜葉之一端係從該外框内側延伸而出;以 一底座,該底座之外側係與該等靜葉之另一端相連結; 其中该靜葉係呈一翼形’其表面具有至少一沿 而出之導流件。 』乃Π1甲 ’其中該外框概略呈 其中該底座係呈一 其中該靜葉包含一 其中該至少一導流 其中該至少一導流 其中該導流件包括 其中該強化部係與 2·如申請專利範圍第1項所述之風扇扇框 一方形。 3·如申請專利範圍第1項所述之風扇扇框 圓形。 4·如申請專利範圍第1項所述之風扇扇框 上曲面以及一下曲面。 5 ·如申印專利範圍第4項所述之風扇扇框 件係從該下曲面延伸而出。 6.如申請專利範圍第4項所述之風扇扇框 件係從該上曲面延伸而出。, 7·如申請專利範圍第1項所述之風扇扇框 一強化部與一導流部。 嗲申請專利範圍第7項所述之風扇扇框,其' ^ 、目連接,該導流部係從該強化部延伸而出者 風頂9面如專^範圍第1項所述之風扇餘,其中該導流件之迎 其中該傾斜面係配 其中該導流件係不 合項所述之風扇扇框 愈:鄰::請專利範圍第1項所述之風扇扇框 與相鄰之該靜葉做實質接觸。 其中該導流件之 12·如申請專㈣圍第1項所述之風扇扇框, M287387 側壁係與氣流接觸而導5丨該氣流流向。 其中該靜葉之表 面 且有二利範圍第1項所述之風扇扇框 义向延伸而出之該導流件。 μ•—種風扇扇框,包括·· 一外框; / 一底座,設於該外框内; =個連接該外框與該底座之支撐件;以及 流件係於該等支撐件表面延伸而出; 15 士由往宙支件表面延伸出至少一該導流件。 係為靜葉。胃心圍第14項所述之風扇扇框,其中該等支樓件 沿二:2 圍第14項所述之風扇扇框1中該導流件係 不與相鄰:二:所述之風扇扇框’其中該導流件係 呈一翼形 流:係範圍第18項所述之風扇扇框,其中該至少-導 /爪忏係從该下曲面延伸而出。 守 流:係利範圍第18項所述之風扇扇框,其中該至少-導 /瓜仵係從该上曲面延伸而出。 守 21·如中請專利範圍帛14項所述 括-強化部與—導流部。 /、中。亥導机件包 斑』2支利範圍第21項所述之風扇扇框,其中該強化部係 牙牛相連接,該導流部係從該強化部延伸而出者。 迎二=!=圍…所述之風扇扇框,其中該導流件之 25·如申請專利範圍第14項所述之風扇扇框,其中該導流件之 M287387 一側壁係與氣流接觸而導引該氣流流向。 26·如申請專利範圍第14項所述之風扇扇框, 之表面延伸出二個該導流件^ 八中^每一靜葉 27· —種風扇,包括·· 一扇框,其包括 一外框; 底座’設於該外框内; 複數個連接該外框與該底座之支擇件;以及 出;以及複數個導流件’該等導流件係於該等支撑件表面延伸而 一葉輪組,容置於該扇框内; 其中母一该支撐件之表面延伸出至少一义 靜葉。女申π專利範圍第27項所述之風扇,其中該等支撐件係為 ’其中該導流件係沿圓 其中該導流件係不與 其中該支撐件係呈一 其中該至少一導流件 其中該至少一導流件 其中該導流件包括一 其中該強化部係與該 二如申請專利範圍第27項所述之風扇 周方向延伸而出。 相』0如申請專利範圍第27項所述之風扇 相鄰之該支撐件做實質接觸。 請專利_第27項所述之 翼形,包含-上曲面以及—下曲面。 俜】請專利範圍第31項所述之風扇 係從5亥下曲面延伸而出。 俜二如/請專利範圍第31項所述之風扇 係從该上曲面延伸而出。 強二·=申請專利範圍第27項所述之風扇: 強化部與一導流部。 支二=請專利範圍第34項所述之風扇,其" :目連接’該導流部係從該強化部延伸而出者。 頂面為-I貝^利範圍第27項所述之風扇,其中該導流件之迎風 M287387 37.如申請專利範圍述 氣流流動方向。 哨W述之風屬 38·如申請專利範圍第27 壁t9與f:,而導引該氣流流向。 面延袖專利範圍帛27項所k之風扇 面延伸出二個該導流件。 4〇·如申凊專利範圍帛27項所述之風扇 數個呈上揚性之葉片。 其中該傾斜面係配合 其中該導流件之一側 其中該每一靜葉之表 其中該葉輪組具有複M287387 IX. Patent application scope: 1 · A fan fan frame, including and outer frame; a plurality of vanes, one end of the vanes extending from the inner side of the outer frame; and a base, the outer side of the base The other ends of the vanes are joined; wherein the vane is in the shape of a wing having at least one flow guiding member along its surface. Wherein the outer frame is substantially in which the base is in a middle, wherein the stationary blade comprises a middle of the at least one flow, wherein the at least one flow guide comprises the flow guide member, wherein the reinforcement portion is The fan frame described in claim 1 is square. 3. The fan frame as described in claim 1 is round. 4. The upper surface of the fan frame and the lower surface as described in item 1 of the patent application. 5. The fan fan frame as described in the fourth paragraph of the patent application is extended from the lower curved surface. 6. The fan fan frame of claim 4, wherein the fan frame member extends from the upper curved surface. 7. The fan frame as described in claim 1 is a reinforcing portion and a flow guiding portion.风扇The fan frame described in item 7 of the patent application scope has a '^, a mesh connection, and the flow guiding portion extends from the reinforcing portion and the wind top 9 surface is as described in the first item. Wherein the guide member of the flow guide member is equipped with a fan frame in which the guide member is not suitable: the adjacent:: the fan frame described in the first item of the patent scope and adjacent thereto The leaves are in physical contact. Wherein the flow guiding member 12 · as claimed in the (4) surrounding the fan frame described in item 1, the side wall of the M287387 is in contact with the air flow to guide the flow of the air. Wherein the surface of the vane and the fan frame of the first item mentioned in the second item are extended in the sense direction. ••-type fan fan frame, including · an outer frame; / a base, disposed in the outer frame; = a support member connecting the outer frame and the base; and the flow member is extended on the surface of the support member And 15; at least one of the deflectors extends from the surface of the rib support. It is a stationary leaf. The fan fan frame according to item 14 of the stomach circumference, wherein the guide member is not adjacent to the fan frame 1 of the fan frame 1 according to item 14 of the second: 2 circumference: 2: The fan fan frame, wherein the flow guiding member is in a wing-shaped flow: the fan frame according to item 18, wherein the at least-guide/claw system extends from the lower curved surface.守流: The fan fan frame of claim 18, wherein the at least-guide/melon system extends from the upper curved surface.守 21· The patent scope is as described in item 14 - Strengthening and - Diversion. /,in. The fan frame of the second aspect of the invention, wherein the reinforcing portion is connected to the calf, and the flow guiding portion extends from the reinforcing portion. The fan fan frame of the present invention, wherein the fan frame of the M287387 of the flow guide is in contact with the air flow. Guide the flow of the airflow. 26. The fan fan frame according to claim 14 of the patent application, wherein the surface of the fan frame extends two of the flow guides, each of the vanes 27, a fan, including a frame, including a An outer frame; a base 'located in the outer frame; a plurality of supporting members connecting the outer frame and the base; and a plurality of flow guiding members 'the flow guiding members extending on the surface of the supporting members An impeller assembly is received in the fan frame; wherein the surface of the support member extends at least one of the stator blades. The fan of claim 27, wherein the support member is 'where the flow guide member is along a circle, wherein the flow guide member is not in contact with the support member, wherein the at least one flow guide The at least one flow guiding member, wherein the flow guiding member comprises a portion in which the reinforcing portion extends in a circumferential direction of the fan as described in claim 27 of the patent application scope. The phase of the fan as described in claim 27 of the patent application is in substantial contact with the support member adjacent thereto. The wing shape described in the patent _27, including the upper surface and the lower surface.俜] Please refer to the fan section mentioned in the 31st patent range to extend from the lower surface of the 5th.风扇二如/Please ask the fan described in item 31 of the patent range to extend from the upper curved surface. Strong two · = the fan described in the scope of claim 27: the reinforcement and a flow guide.支二=Please refer to the fan described in item 34 of the patent scope, wherein the flow guiding portion extends from the reinforcing portion. The top surface is a fan according to item 27 of the above-mentioned range, wherein the wind deflector of the flow guide is M287387 37. The flow direction of the air flow is as described in the patent application. The whistle of the whistle is 38. If the wall of the application is the 27th wall t9 and f:, the flow direction of the airflow is guided. The face of the face-sleeve patent 帛 27 items of the fan face extends two of the flow guides. 4〇·For example, the fan mentioned in the scope of patent application 帛27 is a number of upwardly rising blades. Wherein the inclined surface is matched with one side of the flow guiding member, wherein each of the static vanes has a table in which the impeller group has a complex 1212
TW94214471U 2005-08-24 2005-08-24 Fan and fan housing with air-guiding static blades TWM287387U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644804B2 (en) 2002-01-03 2010-01-12 Pax Streamline, Inc. Sound attenuator
US7673834B2 (en) 2002-01-03 2010-03-09 Pax Streamline, Inc. Vortex ring generator
US7802583B2 (en) 2003-07-02 2010-09-28 New Pax, Inc. Fluid flow control device
US7814967B2 (en) 2002-01-03 2010-10-19 New Pax, Inc. Heat exchanger
US7832984B2 (en) 2004-01-30 2010-11-16 Caitin, Inc. Housing for a centrifugal fan, pump, or turbine
US7862302B2 (en) 2003-11-04 2011-01-04 Pax Scientific, Inc. Fluid circulation system
US8328522B2 (en) 2006-09-29 2012-12-11 Pax Scientific, Inc. Axial flow fan

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8381870B2 (en) 2002-01-03 2013-02-26 Pax Scientific, Inc. Fluid flow controller
US7673834B2 (en) 2002-01-03 2010-03-09 Pax Streamline, Inc. Vortex ring generator
US7766279B2 (en) 2002-01-03 2010-08-03 NewPax, Inc. Vortex ring generator
US7814967B2 (en) 2002-01-03 2010-10-19 New Pax, Inc. Heat exchanger
US8733497B2 (en) 2002-01-03 2014-05-27 Pax Scientific, Inc. Fluid flow controller
US7644804B2 (en) 2002-01-03 2010-01-12 Pax Streamline, Inc. Sound attenuator
US7934686B2 (en) 2002-01-03 2011-05-03 Caitin, Inc. Reducing drag on a mobile body
US7980271B2 (en) 2002-01-03 2011-07-19 Caitin, Inc. Fluid flow controller
US7802583B2 (en) 2003-07-02 2010-09-28 New Pax, Inc. Fluid flow control device
US8631827B2 (en) 2003-07-02 2014-01-21 Pax Scientific, Inc. Fluid flow control device
US7862302B2 (en) 2003-11-04 2011-01-04 Pax Scientific, Inc. Fluid circulation system
US7832984B2 (en) 2004-01-30 2010-11-16 Caitin, Inc. Housing for a centrifugal fan, pump, or turbine
US8328522B2 (en) 2006-09-29 2012-12-11 Pax Scientific, Inc. Axial flow fan

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