CN203756597U - Diffusion-blowing-type fan blade and fan blade support - Google Patents
Diffusion-blowing-type fan blade and fan blade support Download PDFInfo
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- CN203756597U CN203756597U CN201420079419.6U CN201420079419U CN203756597U CN 203756597 U CN203756597 U CN 203756597U CN 201420079419 U CN201420079419 U CN 201420079419U CN 203756597 U CN203756597 U CN 203756597U
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Abstract
The utility model provides a diffusion-blowing-type fan blade and a fan blade support. The diffusion-blowing-type fan blade is a five-blade-type fan blade and is designed according to a blade root curve, a blade tip curve, a leading edge curve, a trailing edge curve, a hub, a fan blade outer diameter and other data parameters. The fan blade outer diameter is small, the air volume is large, and produced noise is little; according to the designed blade curved face structure, the direction of air blown through the fan blade can be changed from a focusing type to a diffusion type; additionally, a blade with a uniform thickness is changed to the blade with gradually-changing thicknesses, and accordingly deformation of the blade can be reduced during work; moreover, when the fan blade rotates, air flows at blade tips are turbulent, and accordingly the noise of the fan blade can be reduced. The fan blade support can be matched with the diffusion-blowing-type fan blade in use, the exhaust air rate of the fan blade can be effectively increased, air exhausted through the fan blade can diffuse around better, and the radiating effect of electric appliance elements distributed horizontally and longitudinally is made to be better through the fan blade.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to a kind of blade rack that blowing type flabellum and a kind of and described diffusion blowing type flabellum are used in conjunction with that spreads.
Background technique
Along with people's living standard improves, the microwave oven of Wind Volume low noise is the current active demands of people.The design of the flabellum on microwave oven need to be in meeting heat sinking function, the standing in scope people by noise control.
As described in Figure 1, microwave oven comprises: magnetron 100 ', blade rack 101 ', motor 102 ', flabellum 103 ' (being the flabellum of 4 blade types or 5 blade types), electric capacity 104 ', transformer (or frequency variator) 105 ', waveguide 106 ', wind deflector 107 ', cavity 108 ', grilling component 109 ', appropriate inductor 110 '.Waveguide is welded on the outer side wall of cavity, and magnetron is fixed by screws on waveguide; Magnetron below is transformer (or frequency variator) and electric capacity, and the rear of magnetron is flabellum assembly (comprising blade rack, flabellum and motor), and wherein, frequency variator is provided with frequency variator IGBT.After energising, transformer (or frequency variator) provides 4000V high pressure to magnetron, and magnetron work produces microwave and imported and in cavity, carried out heat food by waveguide.Magnetron and transformer (or frequency variator) self can generate heat in the course of the work, and these heats dispel the heat by flabellum assembly.Fig. 2 is the structural representation of 4 blade type flabellums.
Magnetron and transformer (or frequency variator) that the wind direction of the wind that the flabellum of prior art blows out is difficult to realize to separating up and down setting simultaneously fully dispel the heat.And flabellum (flabellums of 4 blade types) easily causes resonance in the time rotating, cause flabellum to rock, produce noise, and cause wind direction unstable, reduce flabellum heat dispersion.Its concrete reason comprises: the flabellum of design selects the mode that increases external diameter to increase air quantity (external diameter is 124m), the curved design of blade is simple (leading edge curve, trailing edge curve, blade root curve and blade tip curve are the curve of single radian) comparatively, in addition, the thickness homogeneous (being 1mm) of the blade of design, the flabellum of this kind of structure can produce very large aerodynamic noise in the time of work, and microwave oven has a strong impact in use daily life and produces to use detests sense.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of diffusion blowing type flabellum, and the noise that its flabellum external diameter is little, air quantity large, produce is little; The spoon of blade structure of design, the wind direction of the wind that flabellum can be blown out changes diffused into by focus type; In addition, the blade that is progressive thickness by the blade design of uniform thickness, the amount of deformation can reduce blade working time; And when flabellum rotates, air-flow is turbulent flow at blade tip place, can reduce flabellum noise.
The embodiment of the utility model first aspect provides a kind of diffusion blowing type flabellum, described flabellum is the flabellum of 5 blade types, the blade root curve of described blade, its sweep is that 29.5a～30.5a mm, maximum camber are 1.8a～2.6a mm, being projected as 20.0a～21.0a mm, being projected as 18.5a～19.5a mm in the plane perpendicular to flabellum axis on flabellum axial direction, the blade tip curve of described blade, its sweep is that 109a～111a mm, maximum camber are 5.1a～5.9a mm, being projected as 58.5a～59.5a mm, being projected as 26.0a～28.0a mm in the plane perpendicular to flabellum axis on flabellum axial direction, the leading edge curve of described blade, its length is that 38.0a～39.0a mm, maximum camber are 2.2a～3.0a mm, the trailing edge curve of described blade, its length is that 36.5a～37.5a mm, maximum camber are 0.6a～1.0a mm, the projection of described flabellum in the plane perpendicular to flabellum axis, distance between the projection of its blade root curve of blade described in adjacent two is 4.0a～5.0a mm, distance between the projection of blade tip curve is 16.5a～17.5a mm, on the leading edge curve closing on, on the leading edge length of curve position of 0.9 times of blade tip side and trailing edge curve, the distance between the projection of the trailing edge length of curve position of 0.9 times of blade tip side is 5.5a～6.5a mm, and described in adjacent two, the distance between the leading edge curve of rear side and the projection at the trailing edge curve of front side of blade is increased to blade tip gradually by blade root, the thickness at the leading edge place of described blade is that the thickness at 2.0a～3.0a mm, trailing edge place is 0.4a～0.8a mm, the external diameter of the wheel hub of described flabellum is 0.3～0.33 with the external diameter of described flabellum ratio, wherein, a is greater than 0.
The flabellum that the utility model provides, the noise that its flabellum external diameter is little, air quantity large, produce is little; The spoon of blade structure of design, the wind direction of the wind that flabellum can be blown out changes diffused into by focus type; In addition, the blade that is progressive thickness by the blade design of uniform thickness, the amount of deformation can reduce blade working time; And when flabellum rotates, air-flow is turbulent flow at blade tip place, can reduce flabellum noise.
Diffusion blowing type flabellum other flabellums identical with the number of blade, that blade outside dimension is identical that the utility model provides are compared, can increase the air quantity of the wind that upper and lower (or left and right) direction is blown out, be more conducive to the electrical apparatus element of upper and lower (or left and right) direction setting to dispel the heat.
According to an embodiment of the present utility model, curve in the leaf of described flabellum, its sweep is that 69.5a～70.5a mm, camber are 3.4a～4.2a mm; Described hub height is 23.0a～24.0a mm, and described blade root curve is positioned in the outer wall of described wheel hub the one end near the inlet side of described flabellum; The wind that the wheel hub of this structure can blow out flabellum in the time that flabellum is dried plays leading role, accelerates flabellum the electrical apparatus element of upper and lower (or left and right) direction setting are dispelled the heat.
According to an embodiment of the present utility model, the thickness of described blade reduces to trailing edge place gradually from the leading edge place of described blade, can make the curved surface of blade more level and smooth, to reduce impact and the obstruction to air-flow, increases blowing amount.
According to an embodiment of the present utility model, the blade tip curve of described blade is positioned on the cylndrical surface with described flabellum axis coaxle, makes the surface area of blade larger, thereby increases the exhaust air rate of flabellum.
According to an embodiment of the present utility model, the maximum camber of described blade root curve, described blade tip curve, described leading edge curve and described trailing edge curve is all positioned at the middle part of curve.
According to an embodiment of the present utility model, the cross section of described wheel hub is circular, and the thickness of annulus is 1.5a～2.0a mm, and the Thickness Design of wheel hub is the requirement that 1.5a～2.0a mm can meet wheel hub intensity.
According to an embodiment of the present utility model, in the region that described wheel hub surrounds, be provided with axle bed, described axle bed is fixedly connected with by multiple ribs separately with described wheel hub, and the rotating shaft of the motor being used in conjunction with flabellum is connected with the axle bed on wheel hub.
According to an embodiment of the present utility model, a is 1 or 0.8, and the flabellum size of selecting above-mentioned two parameters to make is less, and meets the heat radiation requirement of microwave oven, can be applied to better on microwave oven.
The embodiment of the utility model second aspect provides a kind of blade rack, for being used in combination with the diffusion blowing type flabellum described in above-mentioned arbitrary embodiment, beeline between the air-ducting ring of described blade rack and the blade tip of described flabellum is 2.0a～4.0a mm, and wherein, a is greater than 0.
The support of the flabellum that the utility model provides, beeline between air-ducting ring and blade tip is designed to 2.0a～4.0a mm and is used in conjunction with diffusion blowing type, can effectively increase the exhaust air rate of flabellum, and the wind that flabellum is discharged is spread to surrounding better, can make the radiating effect of the electrical apparatus element of flabellum to upper and lower (or left and right) direction layout better.
According to an embodiment of the present utility model, on the top board of described blade rack, offer intake grill, described intake grill is positioned at the inlet side of described blade rack, to increase the air output of flabellum inlet side.
In sum, the flabellum that the utility model provides, the noise that its flabellum external diameter is little, air quantity large, produce is little; The spoon of blade structure of design, the wind direction of the wind that flabellum can be blown out changes diffused into by focus type; In addition, the blade that is progressive thickness by the blade design of uniform thickness, the amount of deformation can reduce blade working time; And when flabellum rotates, air-flow is turbulent flow at blade tip place, can reduce fan noise.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, wherein:
Fig. 1 is the structural representation of microwave oven one embodiment in correlation technique;
Fig. 2 is the structural representation of flabellum in Fig. 1;
Fig. 3 is the structural representation of diffusion blowing type flabellum described in the utility model;
Fig. 4 spreads the structural representation that blowing type flabellum Leaf is connected with wheel hub shown in Fig. 3;
Fig. 5 is the main TV structure schematic diagram that spreads blowing type flabellum shown in Fig. 3;
Shown in Fig. 6 Fig. 3, spread the worm's eye view of blowing type flabellum;
Fig. 7 is the decomposition texture schematic diagram of flabellum, blade rack and motor.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between reference character and component names is:
100 ' magnetron, 101 ' blade rack, 102 ' motor, 103 ' flabellum, 104 ' electric capacity, 105 ' transformer, 106 ' waveguide, 107 ' wind deflector, 108 ' cavity, 109 ' grilling component, the 110 ' appropriate inductor.
Corresponding relation in Fig. 3 to Fig. 7 between reference character and component names is:
1 blade, 11 blade root curves, 12 blade tip curves, 13 leading edge curves, 14 trailing edge curves, curve in 15 leaves, 2 wheel hubs, 21 axle beds, 22 ribs, 3 flabellum axis, 4 blade racks, 41 air-ducting ring, 42 top boards, 43 intake grills, 5 motors.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
The diffusion blowing type flabellum that the utility model provides, as shown in Fig. 3 to Fig. 7, described flabellum is the flabellum of 5 blade types, the blade root curve 11 of described blade 1, its sweep be 29.5a～30.5a mm, maximum camber be 1.8a～2.6a mm, in flabellum axis 3 directions be projected as 20.0a～21.0a mm, perpendicular to flabellum axis 3(as shown in the center line in Fig. 4) plane in be projected as 18.5a～19.5a mm, the blade tip curve 12 of described blade 1, its sweep is that 109a～111a mm, maximum camber are 5.1a～5.9a mm, being projected as 58.5a～59.5a mm, being projected as 26.0a～28.0a mm in the plane perpendicular to flabellum axis 3 in flabellum axis 3 directions, the leading edge curve 13 of described blade 1, its length is that 38.0a～39.0a mm, maximum camber are 2.2a～3.0a mm, the trailing edge curve 14 of described blade 1, its length is that 36.5a～37.5a mm, maximum camber are 0.6a～1.0a mm, the projection of described flabellum in the plane perpendicular to flabellum axis 3, distance between the projection of its blade root curve 11 of blade 1 described in adjacent two is 4.0a～5.0a mm, distance F between the projection of blade tip curve 12 is 16.5a～17.5a mm, on the leading edge curve 13 closing on, on the leading edge curve of the 0.9 times 13 extension position places of blade tip side and trailing edge curve 14, the distance C between the projection at the trailing edge curve 14 extension position places of 0.9 times of blade tip side is 5.5a～6.5a mm, and described in adjacent two, the distance between the leading edge curve 13 of rear side and the projection at the trailing edge curve 13 of front side of blade 1 is increased to blade tip gradually by blade root, the thickness D at the leading edge place of described blade 1 is that the thickness E at 2.0a～3.0a mm, trailing edge place is 0.4a～0.8a mm, the external diameter of wheel hub 2 of described flabellum and the external diameter of described flabellum ratio are 0.3～0.33, wherein, a is greater than 0.
The flabellum that the utility model provides, the noise that its flabellum external diameter is little, air quantity large, produce is little; Blade 1 curved-surface structure of design, the wind direction of the wind that flabellum can be blown out changes diffused into by focus type; In addition, the blade of uniform thickness 1 is designed to the blade 1 of progressive thickness, the amount of deformation can reduce blade 1 and work time; And when flabellum rotates, air-flow is turbulent flow at blade tip place, can reduce fan noise.
The diffusion blowing type flabellum that the utility model provides is compared with blade 1 number other flabellums identical, that blade 1 outside dimension is identical, can increase the air quantity of the wind that upper and lower (or left and right) direction is blown out, be more conducive to the electrical apparatus element of upper and lower (or left and right) direction setting to dispel the heat.
In an embodiment of the present utility model, as shown in Figure 4, in the leaf of described flabellum, curve 15(is as shown in the dotted line in Fig. 4), its sweep is that 69.5a～70.5a mm, camber are 3.4a～4.2a mm; Described wheel hub 2 is highly 23.0a～24.0a mm, and described blade root curve 11 is positioned in the outer wall of described wheel hub 2 one end near the inlet side of described flabellum; The wind that the wheel hub 2 of this structure can blow out flabellum in the time that flabellum is dried plays leading role, accelerates flabellum the electrical apparatus element of upper and lower (or left and right) direction setting are dispelled the heat.
Preferably, the thickness of described blade 1 reduces to trailing edge place gradually from the leading edge place of described blade 1, can make the curved surface of blade 1 more level and smooth, to reduce impact and the obstruction to air-flow, increases blowing amount.
Further, as shown in Figure 5, the blade tip curve 12 of described blade 1 be positioned at the coaxial cylndrical surface of described flabellum axis 3 on, make the surface area of blade 1 larger, thereby increase the exhaust air rate of flabellum.
Further again, the maximum camber of described blade root curve 11, described blade tip curve 12, described leading edge curve 13 and described trailing edge curve 13 is all positioned at the middle part of curve.
Wherein, the cross section of described wheel hub 2 is circular, and the thickness of annulus is 1.5a～2.0a mm, and the Thickness Design of wheel hub 2 is that 1.5a～2.0a mm can meet the requirement to wheel hub 2 intensity.
And, in the region that described wheel hub 2 surrounds, being provided with axle bed 21, described axle bed 21 is fixedly connected with by multiple ribs 22 separately with described wheel hub 2, and the rotating shaft of the motor 5 being used in conjunction with flabellum is connected with the axle bed 21 on wheel hub 2.
In an embodiment of the present utility model, a is 1 or 0.8, and the flabellum size of selecting above-mentioned two parameters to make is less, and meets the heat radiation requirement of microwave oven, can be applied to better on microwave oven.
The utility model also provides a kind of blade rack, as shown in Figure 7, for being used in combination with the diffusion blowing type flabellum described in above-mentioned arbitrary embodiment, the beeline between air-ducting ring 41 and the blade tip of described flabellum of described blade rack 4 is 2.0a～4.0a mm, wherein, a is greater than 0.
The support of the flabellum that the utility model provides, beeline between air-ducting ring 41 and blade tip is designed to 2.0a～4.0a mm and is used in conjunction with diffusion blowing type flabellum, can effectively increase the exhaust air rate of flabellum, and the wind that flabellum is discharged is spread to surrounding better, can make the radiating effect of the electrical apparatus element of flabellum to upper and lower (or left and right) direction layout better.
Preferably, on the top board 42 of described blade rack 4, offer intake grill 43, described intake grill 43 is positioned at the inlet side (that is: one side of air intake when flabellum turns round) of described blade rack 4, to increase the air output of flabellum inlet side.
In the time that a is 1, adopt the microwave oven and the correlation data that adopts traditional flabellum and blade rack to test following (wherein, choose the flabellum of identical blade quantity and external diameter specification and select the blade rack of identical air-ducting ring internal diameter) of diffusion blowing type flabellum of the present utility model and blade rack:
Wherein, in micro wave oven chamber, fill 1000ML water, microwave heating 30 minutes, to the magnetron leeward side center 1.7mm that holes, Usage data collection device and K type thermocouple carry out thermometry to transformer and anode of magnetron.
Transformer microwave oven temperature rise test comparison is as follows:
Frequency-conversion microwave oven temperature rise test comparison:
By above test result, carry out the analysis of temperature rise test comparison for transformation microwave oven and frequency-conversion microwave oven, can find out under same rotational speed, microwave oven radiating effect of the present utility model compared with prior art all has improvement in various degree.
In the time that a is 1, adopt the microwave oven and the correlation data that adopts traditional flabellum and blade rack to test following (wherein, choose the flabellum of identical blade quantity and external diameter specification and select the blade rack of identical air-ducting ring internal diameter) of diffusion blowing type flabellum of the present utility model and blade rack:
Wherein, in semi-anechoic room, fill 1000ML water in micro wave oven chamber, microwave heating, according to GB, adopts 5 points (front, back, left, right, up, 5 orientation) to carry out noise-measuring.
Frequency-conversion microwave oven noise test comparison
In the time that a is 0.8, adopt the microwave oven and the correlation data that adopts traditional flabellum and blade rack to test following (wherein, choose the flabellum of identical blade quantity and external diameter specification and select the blade rack of identical air-ducting ring internal diameter) of diffusion blowing type flabellum of the present utility model and blade rack:
Wherein, in micro wave oven chamber, fill 1000ML water, microwave heating 30 minutes, to the magnetron leeward side center 1.7mm that holes, Usage data collection device and K type thermocouple carry out thermometry to transformer and anode of magnetron.
Transformer microwave oven temperature rise test comparison is as follows:
Frequency-conversion microwave oven temperature rise test comparison:
By above test result, carry out the analysis of temperature rise test comparison for transformation microwave oven and frequency-conversion microwave oven, can find out under same rotational speed, microwave oven radiating effect of the present utility model compared with prior art all has improvement in various degree.
In the time that a is 0.8, adopt the microwave oven and the correlation data that adopts traditional flabellum and blade rack to test following (wherein, choose the flabellum of identical blade quantity and external diameter specification and select the blade rack of identical air-ducting ring internal diameter) of diffusion blowing type flabellum of the present utility model and blade rack:
Wherein, in semi-anechoic room, fill 1000ML water in micro wave oven chamber, microwave heating, according to GB, adopts 5 points (front, back, left, right, up, 5 orientation) to carry out noise-measuring.
Frequency-conversion microwave oven noise test comparison
In experiment, drive the motor of flabellum all to adopt identical AC motor.
In the time that a is other numerical value, the size of the air-ducting ring of flabellum of the present utility model and blade rack is proportional increase and dwindles, and the air-out mode of flabellum and blade rack can not change, therefore in the time that a gets other numerical value, blade rack that the flabellum identical with external diameter specification with prior art Leaf quantity and air-ducting ring internal diameter are identical is same possesses above-mentioned beneficial effect, does not repeat them here.
In sum, the flabellum that the utility model provides, the noise that its flabellum external diameter is little, air quantity large, produce is little; The spoon of blade structure of design, the wind direction of the wind that flabellum can be blown out changes diffused into by focus type; In addition, the blade that is progressive thickness by the blade design of uniform thickness, the amount of deformation can reduce blade working time; And when flabellum rotates, air-flow is turbulent flow at blade tip place, can reduce flabellum noise.
In the description of this specification, the description of term " embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a diffusion blowing type flabellum, described flabellum is the flabellum of 5 blade types, it is characterized in that,
The blade root curve of described blade, its sweep is that 29.5a～30.5a mm, maximum camber are 1.8a～2.6a mm, being projected as 20.0a～21.0a mm, being projected as 18.5a～19.5a mm in the plane perpendicular to flabellum axis on flabellum axial direction;
The blade tip curve of described blade, its sweep is that 109a～111a mm, maximum camber are 5.1a～5.9a mm, being projected as 58.5a～59.5a mm, being projected as 26.0a～28.0a mm in the plane perpendicular to flabellum axis on flabellum axial direction;
The leading edge curve of described blade, its length is that 38.0a～39.0a mm, maximum camber are 2.2a～3.0a mm;
The trailing edge curve of described blade, its length is that 36.5a～37.5a mm, maximum camber are 0.6a～1.0a mm;
The projection of described flabellum in the plane perpendicular to flabellum axis, distance between the projection of its blade root curve of blade described in adjacent two is 4.0a～5.0a mm, distance between the projection of blade tip curve is 16.5a～17.5a mm, on the leading edge curve closing on, on the leading edge length of curve position of 0.9 times of blade tip side and trailing edge curve, the distance between the projection of the trailing edge length of curve position of 0.9 times of blade tip side is 5.5a～6.5a mm, and described in adjacent two, the distance between the leading edge curve of rear side and the projection at the trailing edge curve of front side of blade is increased to blade tip gradually by blade root,
The thickness at the leading edge place of described blade is that the thickness at 2.0a～3.0a mm, trailing edge place is 0.4a～0.8amm;
The external diameter of the wheel hub of described flabellum is 0.3～0.33 with the external diameter of described flabellum ratio;
Wherein, a is greater than 0.
2. diffusion blowing type flabellum according to claim 1, is characterized in that,
Curve in the leaf of described flabellum, its sweep is that 69.5a～70.5a mm, camber are 3.4a～4.2a mm;
Described hub height is 23.0a～24.0a mm, and described blade root curve is positioned in the outer wall of described wheel hub the one end near the inlet side of described flabellum.
3. diffusion blowing type flabellum according to claim 2, is characterized in that,
The thickness of described blade reduces to trailing edge place gradually from the leading edge place of described blade.
4. diffusion blowing type flabellum according to claim 2, is characterized in that,
The blade tip curve of described blade is positioned on the cylndrical surface with described flabellum axis coaxle.
5. diffusion blowing type flabellum according to claim 2, is characterized in that,
The maximum camber of described blade root curve, described blade tip curve, described leading edge curve and described trailing edge curve is all positioned at the middle part of curve.
6. diffusion blowing type flabellum according to claim 2, is characterized in that,
The cross section of described wheel hub is circular, and the thickness of annulus is 1.5a～2.0a mm.
7. diffusion blowing type flabellum according to claim 6, is characterized in that,
In the region that described wheel hub surrounds, be provided with axle bed, described axle bed is fixedly connected with by multiple ribs separately with described wheel hub.
8. according to the diffusion blowing type flabellum described in any one in claim 1 to 7, it is characterized in that,
A is 1 or 0.8.
9. a blade rack, for being used in combination with the diffusion blowing type flabellum as described in claim 1 to 8 any one, is characterized in that,
Beeline between the air-ducting ring of described blade rack and the blade tip of described flabellum is 2.0a～4.0amm, and wherein, a is greater than 0.
10. blade rack according to claim 9, is characterized in that,
On the top board of described blade rack, offer intake grill, described intake grill is positioned at the inlet side of described blade rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079419.6U CN203756597U (en) | 2014-02-24 | 2014-02-24 | Diffusion-blowing-type fan blade and fan blade support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420079419.6U CN203756597U (en) | 2014-02-24 | 2014-02-24 | Diffusion-blowing-type fan blade and fan blade support |
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| Publication Number | Publication Date |
|---|---|
| CN203756597U true CN203756597U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420079419.6U Withdrawn - After Issue CN203756597U (en) | 2014-02-24 | 2014-02-24 | Diffusion-blowing-type fan blade and fan blade support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835993A (en) * | 2014-02-24 | 2014-06-04 | 广东美的厨房电器制造有限公司 | Fan blade capable of blowing air in diffused mode and fan blade support |
-
2014
- 2014-02-24 CN CN201420079419.6U patent/CN203756597U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835993A (en) * | 2014-02-24 | 2014-06-04 | 广东美的厨房电器制造有限公司 | Fan blade capable of blowing air in diffused mode and fan blade support |
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