CN101576092B - Multifunctional gas circulation improving system - Google Patents

Multifunctional gas circulation improving system Download PDF

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Publication number
CN101576092B
CN101576092B CN200810097241A CN200810097241A CN101576092B CN 101576092 B CN101576092 B CN 101576092B CN 200810097241 A CN200810097241 A CN 200810097241A CN 200810097241 A CN200810097241 A CN 200810097241A CN 101576092 B CN101576092 B CN 101576092B
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China
Prior art keywords
base
established
filter screen
groove
guide face
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Expired - Fee Related
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CN200810097241A
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Chinese (zh)
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CN101576092A (en
Inventor
欧日益
黄清树
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HENGTA CO Ltd
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HENGTA CO Ltd
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Priority to CN200810097241A priority Critical patent/CN101576092B/en
Publication of CN101576092A publication Critical patent/CN101576092A/en
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Publication of CN101576092B publication Critical patent/CN101576092B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a multifunctional gas circulation improving system which comprises a base, a distribution base and a host computer, wherein the base is provided with a lower guide surface, thelower guide surface is provided with a net base, and the base is internally provided with an accommodation space of various environment improving matters; the distribution base is arranged above the base, combined with the base, and provided with an inner guide surface, an outlet of the inner guide surface is provided with a filter screen consists of two filter screen bases, a space is arranged between the two filter screen bases and is internally provided with the environment improving matters; the host computer is provided with fan blades on a center shaft of a motor and controls the operation of the system, the motor is arranged at the inner part of a rear casing, the rear casing is combined with a front casing, when the fan blades rotate, the rear casing sucks gas flow in, the gas flow is conveyed to the distribution base through a casing decorating board and enters a room through the base, the host computer is combined with the bottom of the base so as to lead the host computer to independently work. The invention is fragrant, has the functions of disinsectizing, filtering impurities in air, humidifying or dehumidifying, and also has the function of a fan.

Description

Multifunctional gas circulation improving system
Technical field
The present invention relates to a kind of gas circulation improving system; Be specifically related to a kind of with being provided with multiple binding pattern between main frame and the base; And according to user's user demand; As impurity, humidification or dehumidification function in fragrance, deinsectization, the filtered air, or the simple multifunctional gas circulation improving system as indoor gas circulation instrument.
Background technique
No. 366963 multi-functional electric fan of the novel patent announcement of TaiWan, China is to establish left and right fixed base in the main body lower cover, and left fixed base is established motor, but the motor drive transmission device can make one group to drive the upper and lower motion of tooth bar; The connecting rod fixed base is established in main body lower cover bottom, and the connecting rod fixed base is pivoted on the connecting rod; Be covered on main body lower cover top on the main body, the crank-guide way that the motor cover groove is arranged in the main body loam cake and can supply connecting rod to put, and have one group and can supply to drive the rack bore that tooth bar passes through, other has the essence of putting groove; One group drives the tooth bar upper end and can be pivoted each other with one group of set lug on the grid behind the fan guard; The connecting rod front end is hubbed at the centre of grid below behind the fan guard; On grid behind the fan guard, be provided with the motor cover of an inner tool motor; Grid the place ahead then is provided with grid before the fan guard behind fan guard, behind fan guard, is provided with the fan that can supply dry before grid and the fan guard between grid, in putting the essence groove, can supply to be provided with essence box.
Though said structure possesses the essence groove, can be used for placing essence, it is provided with in the main body loam cake in addition, and, let the electric fan running must drive link could realize, the obvious unusual complicacy of its structure, cost is too high.
Summary of the invention
The object of the present invention is to provide a kind ofly to be used for fragrance, deinsectization, filtered air impurity, humidification or dehumidification function are provided, and have the multifunctional gas circulation improving system of fan functionality.
For reaching above-mentioned purpose, content of the present invention is:
A kind of multifunctional gas circulation improving system comprises the base, a distributary base and the main frame that are interconnected;
Said base is set guide face;
Said distributary base is located at the top of aforementioned base, and distributary base is established interior guide face; Ring wall at distributary base sets out mouth;
Said main frame is located at the distributary base top, and main frame is established motor, and at the axle installing flabellum of motor, motor is located in the housing, and housing is established the hole that air-flow gets into;
When flabellum rotated, the hole suction air-flow on the housing was through the interior guide face of aforementioned distributary base, then after the following guide face shunting through base, in inlet chamber after the outlet of distributary base of following guide face process.
Wherein the interior guide face of distributary base is last wide gradually narrow shape down.
A kind of multifunctional gas circulation improving system comprises:
One base, base is set guide face, and following guide face is established reticulum;
One distributary base, distributary base are located at aforementioned base top, and combine with aforementioned base, above distributary base, establish interior guide face, let air-flow get into base via the downward water conservancy diversion of interior guide face; Filter screen is established in interior guide face outlet, establishes the environmental improvement thing in the filter screen;
One main frame, main frame is established motor, on the axle of motor, installs flabellum; Motor is located in the back cover, and back cover combines with a fore shell; Suck air-flow by back cover when letting flabellum rotate, again through a housing plaque with gas delivery to aforementioned distributary base on, and through in the base inlet chamber.
The following guide face of wherein said base is established groove, and groove is installed with aromatizer; Groove is established loam cake, and loam cake is used to cover groove.
The wall upper limb of wherein said base is established the engagement groove of a plurality of distributions.
The reticulum of guide face is established the skew wall face under the wherein said base, and outward extending anchor ring is established in skew wall face below, and upper ring surface is established in the outside of anchor ring, and skew wall face, anchor ring and upper ring surface are installed with absorbent paper.
Wherein the wall of reticulum and base forms a space, to be installed with absorbent paper.
Wherein end groove is established in the base bottom, and end groove periphery is established sliding-proof pad.
Wherein the ring wall of distributary base is established the engaging post, utilizes the engaging post to engage with the engagement groove of the wall of base.
Wherein the interior guide face of distributary base is established grooving, and the suitable elasticity of guide face generation engages with filter screen in letting.
Wherein the interior guide face of distributary base is established protuberance; Wall is established long recess on the filter screen seat limit, utilizes long recess to engage with the protuberance of aforementioned interior guide face, can let reticulum be fixed in the outlet of aforementioned interior guide face.
The filter screen of wherein being located at diversion outlet in the distributary base is made up of two filter screen seats, and each filter screen seat is all established mesh.
Wherein establish protuberance at a filter screen seat limit wall, and establish little groove at another filter screen seat limit wall, the protuberance of filter screen seat engages with the little groove of another filter screen seat, and the space, center is provided with the environmental improvement thing.
Wherein the upper screen seat of filter screen is established shim, and two filter screen seats are established through hole.
Wherein the back cover of main frame is established bolt and is established post, cooperates the set bolt of fore shell to establish post, establishes assembly with bolt back cover and fore shell are combined into one.
Wherein fore shell and housing plaque are structure as a whole.
A kind of multifunctional gas circulation improving system comprises:
One base, base is established locating stud, and the location pin is established the bottom that assembly is fixedly arranged on base; End groove is established in the base bottom;
One main frame, main frame back cover are established long rail groove, and establish poroid groove in long rail groove head end;
The locating stud of said base is inserted from the poroid groove of said main frame, and in long rail groove, moves, and changes the combination of base and main frame.
Wherein establish locating stud at the filter screen seat of filter screen, cooperate the set long rail groove of back cover of main frame, the set locating stud of the filter screen seat of filter screen is inserted from the poroid groove of said main frame, and in long rail groove, moves, and changes the combination of base and main frame.
Multifunctional gas circulation improving system of the present invention wherein can combine main frame, distributary base with base, and utilizes and to be arranged at distributary base or inner aromatizer, active carbon or other the equivalent article of base, can let the pure and fresh and fragrant air of indoor generation; Also can directly main frame be combined with the bottom of base, the effect of air circulation in the generating chamber lets the present invention really possess multifunctional gas and improves the circuit effect.
Description of drawings
Fig. 1: the decomposition view that is first embodiment of the invention.
Fig. 2: be first embodiment of the invention part decomposition view.
Fig. 3: be first embodiment of the invention combination plan view.
Fig. 4: the A-A sectional view that is Fig. 3.
Fig. 5: be the first embodiment of the invention combination of side view.
Fig. 6: the B-B sectional view that is Fig. 5.
Fig. 7: the part decomposition view that is first embodiment of the invention independence utilization state.
Fig. 8: the assembled view that is first embodiment of the invention independence utilization state.
Fig. 9: the C-C sectional view that is Fig. 8.
Figure 10: the various varied figure that are first embodiment of the invention independence utilization state.
Figure 11: the decomposition view that is second embodiment of the invention.
Figure 12: the part decomposition view that is the embodiment of Figure 11.
Figure 13: be the assembled view that the embodiment of Figure 11 independently uses state.
Figure 14: the D-D sectional view that is Figure 13.
Embodiment
Below the structure of the multifunctional gas circulation improving system of the present invention effect forming and can produce just, conjunction with figs. with the preferred embodiment detailed description as follows:
Shown in Fig. 1~6, be first embodiment of multifunctional gas circulation improving system of the present invention, the present invention comprises a base 1, and base 1 is set guide face 10, and the central authorities of following guide face 10 establish groove 11, and groove 11 can be installed with environmental improvement things such as liquid or solid aromatizer; Groove 11 is provided with loam cake 12, and loam cake 12 is covered on the aforementioned grooves 11, and loam cake 12 is densely covered with numerous hole 120; Let air-flow get in the groove 11, and will be positioned over the smell of aromatizer in the groove 11, taken out of by air-flow via the hole 120 of loam cake 12; In the inlet chamber, let the indoor aromatic odor that is full of; Base 1 outer periphery wall 13, wall 13 upper ends are provided with ring and enclose 130, enclose 130 edge near last ring and establish engagement groove 131.
Shown in Fig. 4 and 6, establish reticulum 14 above the guide face 10 down aforementioned, reticulum 14 has very many mesh; Mesh can be identical shaped or difformity, and mesh quantity establishes according to user demand, is not one to be decided to be densely covered shape; Reticulum 14 is established skew wall face 140; Outward extending anchor ring 141 is established in skew wall face 140 belows, and anchor ring 142 is upwards established in the outside of anchor ring 141, utilizes aforementioned skew wall face 140, anchor ring 141 and upper ring surface 142 to be installed with absorbent paper.Shown in Fig. 4 and 6; This reticulum 14 is actually the top that directly is arranged at guide face 10 under the aforementioned base, utilizes the wall 13 formed spaces 15 of aforementioned reticulum 14 and base 1, can be installed with aforesaid absorbent paper; And let absorbent paper by suitable being fixed in this space 15; When air-flow behind absorbent paper 143, the moisture band that air-flow includes absorbent paper 143 from and in outlet 22 inlet chambers on the distributary base 2, and produce humidification function.
And for example Fig. 1, shown in 4 and 6, below base 1, establish locating stud 16, locating stud 16 bolts are established an assembly 160 and are fixedly arranged on the bottom of base.Establish end groove 17 at base 1, the periphery of groove 17 is established a plurality of sliding-proof pads 170 end of at, and sliding-proof pad 170 is being decided the present invention fully on the plane and reached the purpose (as shown in Figure 4) of anti-sliding stop.
Distributary base 2 is located at the top of aforementioned base 1, shown in Fig. 1 and 6; A plurality of engaging posts 200 are established in ring wall 20 belows of distributary base 2, utilize these engaging posts 200 to engage with the engagement groove 131 of the wall 13 of aforementioned base 1, but make distributary base 2 and base 1 quick-snap; Must not utilize any instrument; And like Fig. 2, shown in 4 and 5, can let distributary base 2 combined easily or take apart with aforementioned base 1, and when combining very closely.
Distributary base 2 is established interior guide face 21; Interior guide face 21 is last wide following gradually narrow shape, when the air-flow that flabellum produced of main frame, behind the interior guide face 21 of aforementioned wide following gradually narrow shape; Can be more concentrate and, get into the following guide face of aforementioned base 1 and produce the effect that shunting is flowed by water conservancy diversion downwards.
Like Fig. 1, shown in 4 and 6, on interior guide face 21, establish a plurality of groovings 210, the suitable elasticity of guide face 21 generations can combine with filter screen 3 in letting, and establishes a plurality of protuberances 211 in the inboard of interior guide face 21.On aforementioned ring wall 20, set out mouth 22.Establish filter screen 3 in the exit position of interior guide face 21, filter screen 3 is made up of two filter screen seats 30,31, and each filter screen seat 30,31 is all established mesh 32.
As shown in Figure 1, on the limit of filter screen seat 30 wall 300, establish a plurality of long recess 301, utilize these long recess 301 to engage with the protuberance 211 of aforementioned interior guide face 21, can let reticulum 3 be fixed in the exit position (shown in Fig. 4 and 6) of aforementioned interior guide face 21.And for example shown in Figure 1, on the limit of aforementioned filter screen seat 30 wall 300, also establish protuberance 302, and on the limit of another filter screen seat 31 wall 310, establish a plurality of little grooves 311; Utilize the protuberance 302 of aforementioned filter screen seat 30 to combine with the little groove 311 of filter screen seat 31; Therefore, shown in Fig. 4 and 6,, two filter screen seats 30,31 formed space 33 after combining; In this space 33 the environmental improvement thing is set, like volatile oil, aromatizer, dehumidizer piece or activated carbon block etc.
For another example Fig. 1, shown in 4 and 6, shim 303 is established in filter screen seat 30 tops of filter screen 3, and the central authorities of filter screen seat 30,31 and establish through hole 34; Be used for being installed with the loam cake 12 of aforementioned base 1, when letting air-flow, utilize shim 303 airflow diversion via the downward water conservancy diversion of interior guide face 21; And can let the aforementioned base of a large amount of process of air-flow place the groove 11 of aromatizer, airborne impurity is fully filtered, and bring into aromatizer indoor in a large number; Remove foreign flavor indoors, more pure and fresh air is provided.
Establish motor 40 in one main frame 4, installing flabellum 41 on the axle of motor 40, motor 40 driving control systems 42; Shown in Fig. 4 and 6, aforementioned motor 40 and flabellum 41 are fixedly arranged on back cover 43 inside of housing, and back cover 43 is established a plurality of bolts and established post 430; Housing is established fore shell 44, and fore shell 44 is established a plurality of bolts and established post 440, and establishes assembly with a plurality of bolts, and aforementioned back cover 43 is combined into one with fore shell 44; Can also be used as that the type technology processes forward and backward shell 43,44 form of one.Fore shell 44 also is structure as a whole with housing plaque 45; And on back cover 43 and housing plaque 45, be equipped with a plurality of holes; Aforementioned back cover 43 sucks air-flows when flabellum rotates, again through the housing plaque 45 of fore shell 44 with gas delivery to aforementioned distributary base 2, and get into the interior space through base 1.
As shown in Figure 4, the flabellum of main frame 4 41 sucks indoor air and produce air-flow through the hole, and this air current A is also set wide down gradually behind the interior guide face 21 of narrow shape through aforementioned main flow seat 2; Make air-flow more concentrate downward water conservancy diversion to get into aforementioned base 1 again; When base 1 is provided with the environmental improvement thing, can improves thing by hybird environment in the air-flow, and shunt through the following guide face 10 of base 1; In outlet 22 inlet chambers of distributary base 2, can reach the purpose of environmental improvement and gas circulation again.
Shown in Fig. 7~10, the another kind of independent utilization state for first embodiment of the invention comprises:
One base 1 is established locating stud 16, and locating stud 16 bolts are established assembly 160, and locating stud 16 is fixedly arranged on the bottom of base.Establish end groove 17 in the bottom of base 1.
One main frame 4 is established long rail groove 432 at the back cover 43 of main frame, and establishes larger-diameter poroid groove 433 at the head end of long rail groove 432.
The locating stud 16 of aforementioned base 1 is inserted from the poroid groove 433 of main frame 4; And can in long rail groove 432, move; Shown in Fig. 8~10, can change the combination of base 1 and main frame like this, utilize set motor of main frame itself and flabellum; As indoor air circulation instrument, can let main frame work alone like this.
Shown in Figure 11~14, be the second embodiment of the present invention, present embodiment is that the embodiment from aforementioned Fig. 1~10 derives and gets, the most structure of the present embodiment all example structure with earlier figures 1~10 is identical, just structure slight change:
Filter screen 3 is established in the outlet of the interior guide face 21 of distributary base 2, and filter screen 3 is made up of two filter screen seats 30,31, and each filter screen seat 30,31 is all established mesh 32.
Shown in figure 11, wall 300 is established snap rings and is enclosed 301A on the limit of filter screen seat 30, utilize snap rings enclose 301A with aforementioned in the protuberance 211 of guide face 21 combines, can let filter screen seat 3 be fixed in the outlet of aforementioned interior guide face 21.Shown in Figure 11 and 14, wall 300 inboards are established coupling collar and are enclosed 304 on the limit of aforementioned filter screen seat 30, and wall 310 outsides are established snap rings and enclosed 311A on the limit of another filter screen seat 31; Making the coupling collar of filter screen seat 30 enclose 304 encloses 311A with the snap rings of another filter screen seat 31 and combines; Therefore, shown in figure 14,, two filter screen seats 30,31 can form space 33 after combining; In this space 33 the environmental improvement thing is set, like volatile oil, aromatizer or dehumidizer piece or activated carbon block etc.
For another example Figure 11, shown in 12 and 14, the filter screen seat 30 of filter screen 3 is established locating stud 305, with the set long rail groove 432 of the back cover that cooperates main frame 4 43, and establishes larger-diameter poroid groove 433 at the head end of long rail groove 432.
Base 1 is established locating stud 16, and locating stud 16 bolts are established assembly 160 and are fixedly arranged on the bottom of base.Establish end groove 17 in the bottom of base 1.
Therefore; Can the locating stud 305 of the locating stud 16 of base 1 or the distributary base 2 poroid groove 433 from main frame 4 be passed, and in long rail groove 432, move, like Fig. 8~10 or shown in Figure 13 and 14; Can change the combination of base 1 and main frame; Utilize set motor of main frame itself and flabellum,, let main frame work alone as indoor air circulation instrument.
Though the present invention is described by previous embodiment, but still can change its form and details, make not breaking away under the spirit of the present invention.Aforementionedly be the present invention's method for using the most reasonably, be merely one of mode that the present invention can practical implementation, but not as limit.

Claims (18)

1. a multifunctional gas circulation improving system is characterized in that, comprises the base, a distributary base and the main frame that are interconnected;
Said base is set guide face, and following guide face is established groove, and groove can be installed with liquid or solid aromatizer;
Said distributary base is located at the top of aforementioned base, and distributary base is established the wide following gradually interior guide face of narrow shape; Ring wall at distributary base sets out mouth;
Said main frame is located at the distributary base top, and main frame is established motor, and at the axle installing flabellum of motor, motor is located in the housing, and housing is established the hole that air-flow gets into;
When flabellum rotated, the hole suction air-flow on the housing was through the interior guide face of aforementioned distributary base, then after the following guide face shunting through base, in inlet chamber after the outlet of distributary base of following guide face process.
2. multifunctional gas circulation improving system as claimed in claim 1 is characterized in that the groove of wherein said base is established loam cake, and loam cake is used to cover groove.
3. a multifunctional gas circulation improving system is characterized in that, comprises:
One base, base is set guide face, and reticulum is established in following guide face top;
One distributary base, distributary base are located at aforementioned base top, and combine with aforementioned base; Above distributary base, establish interior guide face; And on the ring wall of distributary base, set out mouth, let air-flow get into base via the downward water conservancy diversion of interior guide face after, again via in the outside water conservancy diversion inlet chamber of the outlet of ring wall; Filter screen is established in interior guide face outlet, establishes the environmental improvement thing in the filter screen;
One main frame, main frame is established motor, on the axle of motor, installs flabellum; Motor is located in the back cover, and back cover combines with a fore shell; Suck air-flow by back cover when letting flabellum rotate, again through a housing plaque with gas delivery to aforementioned distributary base on, and through in the base inlet chamber.
4. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that, the following guide face of wherein said base is established groove, and groove is installed with aromatizer; Groove is established loam cake, and loam cake is used to cover groove.
5. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that the wall upper limb of wherein said base is established the engagement groove of a plurality of distributions.
6. multifunctional gas circulation improving system as claimed in claim 3; It is characterized in that the reticulum of guide face is established the skew wall face under the wherein said base, outward extending anchor ring is established in skew wall face below; Upper ring surface is established in the outside of anchor ring, and skew wall face, anchor ring and upper ring surface are installed with absorbent paper.
7. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that wherein the wall of reticulum and base forms a space, to be installed with absorbent paper.
8. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that, wherein end groove is established in the base bottom, and end groove periphery is established sliding-proof pad.
9. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that wherein the ring wall of distributary base is established the engaging post, utilizes the engaging post to engage with the engagement groove of the wall of base.
10. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that, wherein the interior guide face of distributary base is established grooving, and the suitable elasticity of guide face generation engages with filter screen in letting.
11. multifunctional gas circulation improving system as claimed in claim 10 is characterized in that, wherein the interior guide face of distributary base is established protuberance; Wall is established long recess on the filter screen seat limit, utilizes long recess to engage with the protuberance of aforementioned interior guide face, can let filter screen seat be fixed in the outlet of aforementioned interior guide face.
12. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that, the filter screen of wherein being located at guide face outlet in the distributary base is made up of two filter screen seats, and each filter screen seat is all established mesh.
13. multifunctional gas circulation improving system as claimed in claim 12; It is characterized in that, wherein establish protuberance, and establish little groove at another filter screen seat limit wall at a filter screen seat limit wall; The protuberance of filter screen seat engages with the little groove of another filter screen seat, and the space, center is provided with the environmental improvement thing.
14. multifunctional gas circulation improving system as claimed in claim 12 is characterized in that, wherein the upper screen seat of filter screen is established shim, and two filter screen seats are established through hole.
15. multifunctional gas circulation improving system as claimed in claim 3 is characterized in that, wherein the back cover of main frame is established bolt and is established post, cooperates the set bolt of fore shell to establish post, establishes assembly with bolt back cover and fore shell are combined into one.
16. multifunctional gas circulation improving system as claimed in claim 15 is characterized in that, wherein fore shell and housing plaque are structure as a whole.
17. according to the said multifunctional gas circulation improving system of claim 3, it is characterized in that it establishes locating stud in base, the location pin is established the bottom that assembly is fixedly arranged on base; End groove is established in the base bottom; And establish long rail groove, and establish poroid groove in long rail groove head end in the main frame back cover; Must the locating stud of aforementioned base be inserted from the poroid groove of aforementioned main frame, and in long rail groove, move, change the combination of base and main frame.
18. multifunctional gas circulation improving system as claimed in claim 17; It is characterized in that; Wherein establish locating stud at the filter screen seat of filter screen, cooperate the set long rail groove of back cover of main frame, the set locating stud of the filter screen seat of filter screen is inserted from the poroid groove of said main frame; And in long rail groove, move, change the combination of base and main frame.
CN200810097241A 2008-05-07 2008-05-07 Multifunctional gas circulation improving system Expired - Fee Related CN101576092B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN200810097241A CN101576092B (en) 2008-05-07 2008-05-07 Multifunctional gas circulation improving system

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CN101576092B true CN101576092B (en) 2012-09-05

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103334949B (en) * 2013-07-09 2016-04-27 邢皓宇 A kind of micro fan
CN103452887B (en) * 2013-09-18 2016-03-02 常州快克锡焊股份有限公司 Flow detection sensor and the fume cleaning filtration system with this sensor
TWI650489B (en) * 2017-11-01 2019-02-11 建準電機工業股份有限公司 Fan with an air filter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2152925Y (en) * 1991-10-15 1994-01-12 黄登辉 Fan
CN2369019Y (en) * 1999-02-12 2000-03-15 廖金益 Multifunctional electric fan
CN2526562Y (en) * 2001-07-17 2002-12-18 曾寿塘 Multi-directional electric fan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2152925Y (en) * 1991-10-15 1994-01-12 黄登辉 Fan
CN2369019Y (en) * 1999-02-12 2000-03-15 廖金益 Multifunctional electric fan
CN2526562Y (en) * 2001-07-17 2002-12-18 曾寿塘 Multi-directional electric fan

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