CN107795523A - Air deflector and the electric tool for including it - Google Patents
Air deflector and the electric tool for including it Download PDFInfo
- Publication number
- CN107795523A CN107795523A CN201610801247.2A CN201610801247A CN107795523A CN 107795523 A CN107795523 A CN 107795523A CN 201610801247 A CN201610801247 A CN 201610801247A CN 107795523 A CN107795523 A CN 107795523A
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- China
- Prior art keywords
- muscle
- angle
- air deflector
- axle
- air
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
Abstract
The invention discloses a kind of electric tool and its air deflector.The air deflector is located relative to the porch of fan for noise reduction, air-flow is brought into fan via the air deflector, the air deflector includes axle and multiple muscle, for the multiple muscle in the extension in the radial direction relative to the axle, the multiple muscle is each respectively provided with leading edge, the trailing edge that air-flow leaves and the transition face extended between the leading edge and the trailing edge of air-flow entrance.The present invention can comply with air flow swirl entrance, and the air flow rate of entrance increases and noise reduces.
Description
Technical field
It is used to reduce air deflector of the gas by noise the present invention relates to a kind of.
The invention further relates to a kind of electric tool for including above-mentioned air deflector.
Background technology
Use the mechanical device or instrument of fan --- such as air blower, vacuum cleaner or other electronic with fan
Instrument etc. --- air deflector is typically provided with air flow inlet.In fan（Or it is called impeller, rotor）High-speed rotation under,
External air flow is inhaled into the air compartment where fan.When air-flow passes through air deflector fan is then taken into through being oriented to.The air deflector
Design except to meet for safety purposes and work out specification in addition to, also to reduce as much as possible air-flow with a high speed by that time by
In the caused noise of the pressure loss.Current this air deflector is more to be existed in the form of barrier or grid, i.e., air deflector is by obstacle
Part or a plurality of muscle are formed with certain pattern, and the pattern lays space, and air-flow just passes through from these spaces.Designer is concerned about
Be how to arrange these barriers or grid, meet aerodynamic inlet air flow to obtain one.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of air deflector, air-flow steadily can be brought into wind by air deflector
Fan, so as to which noise reduces, lift air-flow performance.
Air deflector of the present invention is located relative to the porch of fan for noise reduction, and air-flow is via the air deflector
Be brought into fan, the air deflector includes axle and multiple muscle, the multiple muscle in the extension in the radial direction relative to the axle,
The multiple muscle be each respectively provided with the leading edge of air-flow entrance, the trailing edge that leaves of air-flow and the leading edge and the trailing edge it
Between the transition face that extends.
Alternatively, in above-mentioned air deflector, the multiple muscle has first jiao and the in the first end away from the axle
Two jiaos, wherein the described first jiao plane for the muscle is in the tangent line of front edge side and the angle of datum line；Described second jiao is institute
The plane of muscle is stated in the tangent line of rear side and the angle of the datum line；The datum line is parallel to the axle；First jiao
In second jiao.
Alternatively, in above-mentioned air deflector, the multiple muscle has the 3rd on the second end relative with the first end
Angle and fourth angle, wherein the third angle for the muscle plane in the tangent line of front edge side and the angle of the axle；Described 4th
Angle is the plane of the muscle in the tangent line of rear side and the angle of the axle；First jiao is not equal to the third angle, and second jiao is not equal to
Fourth angle.
Alternatively, in above-mentioned air deflector, the multiple muscle has the 3rd on the second end relative with the first end
Angle and fourth angle, wherein the third angle for the muscle transition face in the tangent line of front edge side and the angle of the axle；Described
Corner is the transition face of the muscle in the tangent line of rear side and the angle of the axle；First jiao is more than or equal to the third angle, and second
Angle is more than first jiao, and fourth angle is more than or equal to the third angle.
Alternatively, in above-mentioned air deflector, the cross section of one in the multiple muscle has air foil shape.
Alternatively, in the air deflector of the muscle with air foil shape, the multiple muscle is in the first end away from the axle
With the 5th jiao, there is hexagonal on the second end relative with the first end；Wherein described 5th jiao is institute in first end
The string of a musical instrument of the airfoil cross-section of muscle and the angle of datum line are stated, the hexagonal is the airfoil cross-section of the muscle on the second end
The angle of the string of a musical instrument and the axle；The datum line is parallel to the axle；Described 5th jiao is equal to or more than the hexagonal.
Alternatively, in above-mentioned air deflector, the leading edge and trailing edge of the multiple muscle are the curves of linear pattern or Curvature varying
Type.
Alternatively, in above-mentioned air deflector, each in the multiple muscle, which is respectively provided with, at least belongs to a kind of following situation
Shape：It is bent upwards along the side of the axle；Along the bending in the radial direction relative to the axle；And around phase
Reversed for the radial direction of the axle.
Another aspect of the present invention is to include the electric tool of above-mentioned air deflector, and the air deflector is integrated in the electricity
In the main structure of power driven tools, or the air deflector is installed on by outer shroud in the main structure of the electric tool, wherein described
Multiple muscle extend to the outer shroud from the axle.
Another further aspect of the present invention is a kind of electric tool with fan, and the electric tool includes air deflector,
The air deflector is located relative to the porch of fan for noise reduction, and air-flow is brought into fan via the air deflector, described
Air deflector includes axle and multiple muscle, and the multiple muscle is in the extension in the radial direction relative to the axle, and the multiple muscle is each
Leading edge, the trailing edge that air-flow leaves and the transition face extended between the leading edge and the trailing edge of air-flow entrance are respectively provided with,
Wherein the multiple muscle is respectively provided with the shape of the torsion or bending of complying with air-flow entrance.
Alternatively, in above-mentioned electric tool, the fan has at least two operating powers, and the electric tool includes
One air deflector, the muscle of the air deflector can adjust its torsion or degree of crook, Huo Zhesuo according to the operating power of fan
Stating electric tool includes being alternatively installed at least two air deflectors thereon, and the muscle of at least two air deflector has not
Same torsion or degree of crook.
The muscle of air deflector is arranged to the form for being more suitable for air-flow entrance by the present invention.It has been observed that noise is by fan inlet
Air deflector on muscle influence because having formed whirlpool when air-flow will enter fan inlet.When muscle has leading edge and trailing edge
When, air flow swirl entrance can be complied with.Therefore the flow into air-flow increases and noise reduces.
The muscle of the air deflector has streamline-shaped, and its multiple design parameter is to become in multiple dimensions in solid space
Change.The changes of these parameters occurs following but be not limited in these：In the inlet angle of front edge side and in rear side
Between exit angle, between the inlet angle at the inlet angle of the first end of muscle and the second end；The exit angle of the first end of muscle
Between the exit angle at the second end；And on leading edge, trailing edge.The section of the air deflector can approximate common gusset section
It can be aerofoil profile.
On installation, the air deflector can be assembled on the housing where the fan front entrance of electric tool, Huo Zheyu
The housing is integrally formed.
By the detailed description below with reference to accompanying drawing, other aspects and features of the present invention become obvious.But it should know
Road, the accompanying drawing is only the purpose design explained, not as the restriction of the scope of the present invention, because it should refer to
Appended claims.It should also be noted that accompanying drawing is merely intended to conceptually illustrate structure and flow described herein, unless in addition
Point out, it is not necessary to scale accompanying drawing.
Brief description of the drawings
The detailed description of detailed description below is referred to reference to accompanying drawing, present invention will become more fully understood, in accompanying drawing
Same reference numbers refer to element same in view all the time.Wherein：
Fig. 1 is a kind of structural representation of embodiment of air deflector of the present invention；
Fig. 2 is the structural representation of the first embodiment of the muscle of air deflector of the present invention；
Fig. 3 is the structural representation of second of embodiment of the muscle of air deflector of the present invention；
Fig. 4 is the structural representation of the third embodiment of the muscle of air deflector of the present invention；
Fig. 5 is the structural representation of the 4th kind of embodiment of the muscle of air deflector of the present invention；
Fig. 6 is the structural representation of the 5th kind of embodiment of the muscle of air deflector of the present invention；
Fig. 7 is the structural representation of the 6th kind of embodiment of the muscle of air deflector of the present invention；And
Fig. 8 is the structural representation that air deflector of the present invention is installed on a kind of air blower.
Embodiment
To help those skilled in the art definitely to understand claimed theme, below in conjunction with the accompanying drawings
The embodiment of the present invention is described in detail.
Referring to Fig. 1, the structural representation of one embodiment of air deflector 1 of the present invention is shown.Air deflector 1 includes
One axle 11 and the multiple muscle 12 extended from axle 11, outer shroud 13 is additionally provided with the radial outside of multiple muscle 12, muscle 12 extends to
Outer shroud 13 simultaneously links together outer shroud 13 and axle 11.Here outer shroud 13 is optional that is, this air deflector 1 can have outer shroud,
Can there is no outer shroud, the setting of outer shroud depends on the installation of air deflector 1, and this can be set forth below yet.
Muscle 12 from axle 11 in extending relative to axle 11, in the embodiment shown in fig. 1, the number of muscle 12 in the radial direction
Measure as six but not limited to this, this effect for depending on safety standard and reducing noise.With the air-flow shown in arrowfFrom muscle 12
Side flow to opposite side with through air deflector 1.Air-flowfThe side of entrance be muscle 12 leading edge 111, air-flowfThe muscle 12 left
Opposite side be muscle 12 trailing edge 112, the part extended between leading edge 111 and trailing edge 112 is referred to as the transition face 113 of muscle 12.
Along air-flowfFlow direction sees that the transition face 113 is windward side.In radial directions, muscle 12 has the first end away from axle 11
121 and relative to the second opposed end 122 of first end 121（Because sight is blocked, the second end 122 of the muscle 12 is invisible, can
See the mark of adjacent muscle）.The situation of outer shroud is set in air deflector 1, the first end 121 can be connected with outer shroud 13.Second end 122
The place that i.e. muscle 12 is connected with axle 11.Muscle 12 has cross section in first end 121, and muscle 12 has another on the second end 122
Individual cross section, therefore apart from the above parameters, the muscle 12 of this air deflector 1 it is also conceivable that the second ends of Cheng Youcong 122 to first end
The part that 121 multiple cross sections are continuously formed.
Referring to Fig. 2-4, for a series of structural representation of embodiments of the muscle 12 of this air deflector 1, arrow represents air-flow
Flow direction.In these embodiments, the shape of muscle 12 is developed by tabular, i.e., muscle 12 can be the plate of " bending ", thus
The shape of its cross section can be considered as the part from ring/arc interception.In fig. 2, muscle 12 has the in first end 121
One jiao of α1With second jiao of α2, wherein first jiao of α1Tangent line and a datum line for the front edge side of transition face 113l 1 Angle, the base
Directrixl 1 It is parallel with axle 11, second jiao of α2For the tangent line and datum line of the rear side of transition face 113l 2 Angle.First jiao of α1No
Equal to second jiao α2.Similarly, the third angle α also be present on the second end 1223With fourth angle α4, wherein the third angle α3For transition face
The tangent line of 113 front edge side and axle 11（Or its axis）Angle, fourth angle α4For the tangent line and axle of the rear side of transition face 113
11（Or its axis）Angle.The third angle α3Not equal to fourth angle α4。
In the embodiment shown in FIG., the air stream outlet angle of trailing edge side is more than the air flow inlet angle of leading edge side.I.e.
Two jiaos of α2More than first jiao α1, fourth angle α4More than the third angle α3.And first jiao of α1Equal to the third angle α3, second jiao of α2Equal to the 4th
Angle α4.Moreover, leading edge 111 and trailing edge 112 are linear pattern.As can be seen here, the muscle 12 can be considered as cutting on the second end 122
What face was formed from the second end 122 along the radial direction linear extension relative to axle 11 up to first end 121.
It is also contemplated that the muscle 12 can have the shape of following situations：Second jiao of α2More than first jiao α1, fourth angle α4It is equal to
The third angle α3, first jiao of α1Equal to the third angle α3。
Fig. 3 show the shape of the muscle 12 of another embodiment, wherein the first of muscle 12 jiao α1, second jiao of α2, the third angle α3
With fourth angle α4Definition it is constant.First jiao of α1Not equal to second jiao α2；The third angle α3Not equal to fourth angle α4.First jiao of α1Also not
Equal to the third angle α3, second jiao of α2Also it is not equal to fourth angle α4.Leading edge 111 and trailing edge 112 are linear pattern.As can be seen here, the muscle
12 sections that can be considered as on the second end 122 surround from the second end 122 relative to the radial direction of axle 11 reverse directly
Formed to first end 121, i.e. the section of first end 121 is around radially reversing certain angle by the section at the second end 122
Spend and obtain.
As can be seen from Figure 3, air stream outlet angle can be more than air flow inlet angle, i.e. second jiao of α2More than first jiao α1, fourth angle α4
More than the third angle α3, first jiao of α of the muscle 12 through torsion1Also greater than the third angle α3。
The muscle can also only change the third angle α on the basis of the shape shown in Fig. 33With fourth angle α4Relation so that
Triangle α3Equal to fourth angle α4。
Muscle 12 shown in Fig. 4 develops on the basis of can regarding muscle 12 as shown in Figure 3 as, i.e. the first of the muscle 12 jiao
α1, second jiao of α2, the third angle α3With fourth angle α4Definition and the magnitude relationship between them follow the reality of the muscle 12 shown in Fig. 3
Apply example.But its leading edge 111 and trailing edge 112 are shaped form.As can be seen here, the muscle 12 can be considered as on the second end 122
Section is surrounded while torsion relative to the radial direction of axle 11 also along deviation from the second end 122 relative to axle 11
The track of one bending of radial direction is until what first end 121 synthesized.
Referring back to Fig. 5-7, for the structural representation of the another a series of embodiment of the muscle 12 of this air deflector 1.In these realities
Apply in example, the shape of muscle 12 is similar to blade, and its cross section is shaped as aerofoil profile, such as NACA65 types or NACA4122 types.Should
The leading edge of aerofoil profile is also the side where the leading edge 211 of muscle 12, and the side is air-flow approaching side, and the trailing edge of the aerofoil profile is also muscle 12
Side where trailing edge 212, the side are that air-flow leaves side.Transition face 213 is that windward side is prolonged between leading edge 211 and trailing edge 212
Stretch.In Figure 5, muscle 12 has the 5th jiao of α in first end 2215, there is hexagonal α on the second end 2226, wherein the 5th jiao
α5For the string of a musical instrument of the airfoil cross-section of first end 221c 1 With datum linel 3 Angle, hexagonal α6For the string of a musical instrumentc 2 With axle 11（Or its axle
Line）Angle.Datum linel 3 Parallel to axle 11.The string of a musical instrumentc 1 、c 2 It is defined as connecting the leading edge of aerofoil profile and the straight line of trailing edge.In the reality
Apply in example, the 5th jiao of α5Equal to hexagonal α6.The leading edge 211 and trailing edge 212 of muscle 12 are linear pattern.Muscle 12 can be considered as second
The aerofoil profile at end 222 is formed along the radial direction linear extension relative to axle 11 up to first end 221.
In figure 6, the 5th jiao of α of muscle 125With hexagonal α6Definition it is identical with embodiment illustrated in fig. 5.The leading edge of muscle 12
211 and trailing edge 212 and linear.But the 5th jiao of α5Not equal to hexagonal α6.Specifically, the 5th jiao of α5The can be more than
Hexagonal α6.As can be seen here, muscle 12 can be considered as the aerofoil profile at the second end 222 and surround the radial direction relative to axle 11 from the second end
222 are carried out reversing what is formed up to first end 221, i.e. the aerofoil profile of first end 221 is surrounded by the aerofoil profile at the second end 222
Radially reverse certain angle and obtain.
Muscle shown in Fig. 7 is developed based on the muscle in Fig. 6.In this embodiment, the 5th jiao of α5, hexagonal
α6Definition and magnitude relationship between them it is identical with Fig. 6 embodiment.Unlike, the leading edge 211 of the muscle 12 is with after
Edge 212 is the shaped form of bending.Therefore, the aerofoil profile that the muscle 12 can be considered as on the second end 222 surrounds the footpath relative to axle 11
First end 221 is extended up to serpentine track while twisting along Off-Radial and is synthesized.
It has been observed that fan is inhaled into preferable state as the air deflector of the invention designed is more conducive to air-flow, because its muscle
12 shape can comply with formed the air-flow of pre- whirlpool by, therefore by air-flow because of the pressure loss and caused by noise obtain
Control.The design parameter of the shape of the muscle 12, including first jiao of α1, second jiao of α2, the third angle α3, fourth angle α4, the 5th jiao of α5,
Hexagonal α6, leading edge 111,211 and trailing edge 112,212 and transition face 113,213 etc., can in a plurality of directions change, cause muscle
12 can be along axle 11（Or its axis）Direction on be bending；Or it is being in the radial direction along relative to axle 11
Bending；Or around the radial direction relative to axle 11 be reverse.The design parameter of muscle 12 can meet one of the above feelings
Condition, or meet any combination of a variety of situations above.Such as the embodiment for foregoing muscle 12 as shown in Figure 2 and Figure 5,
It is the first above-mentioned situation corresponding to it.It it is above-mentioned second corresponding to it for foregoing embodiment as shown in Figure 3 and Figure 6
Situation.And for foregoing embodiment as shown in figs. 4 and 7, it is the superposition of above-mentioned second and the third situation corresponding to it.
This air deflector 1 can apply to a variety of mechanical devices or electric tool using fan/impeller/rotor.It is installed
In the porch relative to fan, to play a part of noise reduction.For example, as shown in figure 8, when it is applied to air blower 2, it can
It is placed at the entrance 3 on the housing of air blower 2（In this embodiment, fan blocking without being illustrated due to housing）.Drum
The housing of blower fan 2 can be both made into integration with air deflector 1, or reserved position and installed air deflector 1 with the later stage.In the situation of the latter
Under, air deflector 1 is installed on housing by outer shroud.When air deflector is applied to vacuum cleaner, above-mentioned principle is also based on, is inhaled
The entrance of dirt device can both be integrated with air deflector, or air deflector is installed on the entrance by outer shroud.
The muscle of the air deflector, which can have, to be reversed or the shape of bending, this shape can comply with air-flow largely by and energy
Enough it is optimized for matching the operating power of fan, makes air-flow that there is optimal noise reduction after being inhaled into.Air deflector can be according to wind
The torsion of the operating power of fan itself regulation muscle or degree of crook.Or can be that electric tool is equipped with multiple air deflectors, these
Air deflector has the muscle of different torsions or degree of crook, and is alternatively installed to air deflector according to the operating power of fan
On electric tool.
Although being illustrated in detail in and having described specific embodiment of the invention to illustrate the principle of the present invention, it should be understood that
, the present invention can be with embodied in other without departing from such principle.
Claims (11)
- A kind of 1. air deflector（1）, the air deflector（1）The porch of fan is located relative to for noise reduction, air-flow is via institute State air deflector（1）Fan is brought into, it is characterized in that：The air deflector（1）Including axle（11）With multiple muscle（12）, the multiple muscle （12）Relative to the axle（11）Extension in the radial direction, the multiple muscle（12）Each it is respectively provided with the leading edge of air-flow entrance （111、211）, the trailing edge that leaves of air-flow（112、212）And in the leading edge（111、211）With the trailing edge（112、212） Between the transition face that extends（113、213）.
- 2. air deflector according to claim 1（1）, it is characterized in that：The multiple muscle（12）Away from the axle（11）'s First end（121）It is upper that there is first jiao（α1）With second jiao（α2）, wherein described first jiao（α1）For the muscle（12）Transition face （113）In the tangent line and datum line of front edge side（l 1 、l 2 ）Angle；Described second jiao（α2）For the muscle（12）Transition face （113）Tangent line and the datum line in rear side（l 1 、l 2 ）Angle；The datum line（l 1 、l 2 ）Parallel to the axle （11）；First jiao（α1）Not equal to second jiao（α2）.
- 3. air deflector according to claim 2（1）, it is characterized in that：The multiple muscle（12）With the first end（121） The second relative end（122）It is upper that there is the third angle（α3）And fourth angle（α4）, wherein the third angle（α3）For the muscle（12）'s Transition face（113）Tangent line and the axle in front edge side（11）Angle；The fourth angle（α4）For the muscle（12）Transition Face（113）Tangent line and the axle in rear side（11）Angle；First jiao（α1）Not equal to the third angle（α3）, second jiao（α2） Not equal to fourth angle（α4）.
- 4. air deflector according to claim 2（1）, it is characterized in that：The multiple muscle（12）With the first end（121） The second relative end（122）It is upper that there is the third angle（α3）And fourth angle（α4）, wherein the third angle（α3）For the muscle（12）'s Transition face（113）Tangent line and the axle in front edge side（11）Angle；The fourth angle（α4）For the muscle（12）Transition Face（113）Tangent line and the axle in rear side（11）Angle；First jiao（α1）More than or equal to the third angle（α3）, second jiao （α2）More than first jiao（α1）, fourth angle（α4）More than or equal to the third angle（α3）.
- 5. air deflector according to claim 1（1）, it is characterized in that：The multiple muscle（12）In the transversal mask of one There is air foil shape.
- 6. air deflector according to claim 5（1）, it is characterized in that：The multiple muscle（12）Away from the axle（11）'s First end（221）It is upper that there is the 5th jiao（α5）, with the first end（221）The second relative end（222）It is upper that there is hexagonal （α6）；It is wherein described 5th jiao（α5）For first end（221）The upper muscle（12）Airfoil cross-section the string of a musical instrument（c 1 ）With datum line （l 3 ）Angle, the hexagonal（α6）For the second end（222）The upper muscle（12）Airfoil cross-section the string of a musical instrument（c 2 ）With it is described Axle（11）Angle；The datum line（l 3 ）Parallel to the axle（11）；Described 5th jiao（α5）Equal to or more than the hexagonal （α6）.
- 7. according to the air deflector any one of claim 1-6（1）, it is characterized in that：The multiple muscle（12）Leading edge （211）And trailing edge（212）It is linear pattern or shaped form.
- 8. according to the air deflector any one of claim 1-6（1）, it is characterized in that：The multiple muscle（12）In it is each It is individual to be respectively provided with the shape at least belonging to a kind of following situation：Along the axle（11）Side be bent upwards；Along relative to The axle（11）Bending in the radial direction；And around relative to the axle（11）Radial direction reverse.
- 9. a kind of electric tool with fan, it is characterized in that：Including the water conservancy diversion according to any one of claim 1-8 Device（1）, the air deflector（1）It is integrated in the main structure of the electric tool, or the air deflector（1）Pass through outer shroud（13） It is installed in the main structure of the electric tool, wherein the multiple muscle（12）From the axle（11）Extend to the outer shroud （13）.
- A kind of 10. electric tool with fan, it is characterized in that including the water conservancy diversion according to any one of claim 1-8 Device（1）, wherein the multiple muscle（12）It is respectively provided with the shape of the torsion or bending of complying with air-flow entrance.
- 11. the electric tool according to claim 10 with fan, it is characterized in that：The fan has at least two works The rate of doing work, the electric tool include an air deflector, and the muscle of the air deflector can be adjusted according to the operating power of fan It is reversed or degree of crook, or the electric tool includes being alternatively installed at least two air deflectors thereon, described The muscle of at least two air deflectors has different torsions or degree of crook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801247.2A CN107795523A (en) | 2016-09-05 | 2016-09-05 | Air deflector and the electric tool for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801247.2A CN107795523A (en) | 2016-09-05 | 2016-09-05 | Air deflector and the electric tool for including it |
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| Publication Number | Publication Date |
|---|---|
| CN107795523A true CN107795523A (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801247.2A Pending CN107795523A (en) | 2016-09-05 | 2016-09-05 | Air deflector and the electric tool for including it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043063A (en) * | 2018-10-15 | 2020-04-21 | 广东美的白色家电技术创新中心有限公司 | Counter-rotating fan |
| CN113944655A (en) * | 2020-07-17 | 2022-01-18 | 广东美的白色家电技术创新中心有限公司 | Guiding device of dust collector and dust collector |
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| CN102072172A (en) * | 2011-01-29 | 2011-05-25 | 林钧浩 | Cyclone air-inlet centrifugal synchronous backward flow fan |
| CN202718925U (en) * | 2012-06-28 | 2013-02-06 | 雅歌丹生化科技股份有限公司 | Improved structure of fan device with air flow guide effect |
| CN202867350U (en) * | 2012-09-06 | 2013-04-10 | 杭州高越科技有限公司 | Fixed type flow guiding device |
| CN203978930U (en) * | 2014-08-22 | 2014-12-03 | 广东海信家电有限公司 | A kind of multi-wing centrifugal fan |
| CN105041719A (en) * | 2015-06-26 | 2015-11-11 | 武汉大学 | Guide vane type opening ring of double-suction centrifugal pump |
| CN205533429U (en) * | 2016-04-16 | 2016-08-31 | 温州瓯科科技有限公司 | Multistage centrifugal pump circumference formula stator that crumples |
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| CN111043063A (en) * | 2018-10-15 | 2020-04-21 | 广东美的白色家电技术创新中心有限公司 | Counter-rotating fan |
| WO2020077814A1 (en) * | 2018-10-15 | 2020-04-23 | 广东美的白色家电技术创新中心有限公司 | Counter-rotating fan |
| KR20210046800A (en) * | 2018-10-15 | 2021-04-28 | 광둥 미디어 화이트 홈 어플라이언스 테크놀로지 이노베이션 센터 컴퍼니 리미티드 | Double inverted fan |
| US11506211B2 (en) | 2018-10-15 | 2022-11-22 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Counter-rotating fan |
| KR102518997B1 (en) | 2018-10-15 | 2023-04-05 | 광둥 미디어 화이트 홈 어플라이언스 테크놀로지 이노베이션 센터 컴퍼니 리미티드 | double inverted fan |
| CN113944655A (en) * | 2020-07-17 | 2022-01-18 | 广东美的白色家电技术创新中心有限公司 | Guiding device of dust collector and dust collector |
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