CN107143524A - A kind of axial fan blade - Google Patents
A kind of axial fan blade Download PDFInfo
- Publication number
- CN107143524A CN107143524A CN201710543816.2A CN201710543816A CN107143524A CN 107143524 A CN107143524 A CN 107143524A CN 201710543816 A CN201710543816 A CN 201710543816A CN 107143524 A CN107143524 A CN 107143524A
- Authority
- CN
- China
- Prior art keywords
- petiole
- connecting portion
- blade
- wheel hub
- axial fan
- 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.)
- Pending
Links
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of axial fan blade, including blade face and petiole, the blade face is connected to form blade with the petiole, and the blade is connected by petiole with wheel hub；The petiole includes connecting portion and screens portion, and the connecting portion is used to connect the blade face and screens portion, and the screens portion is used to the petiole being stuck in the wheel hub.The present invention is simple in construction, facilitates the connection of blade and wheel hub, extends the service life of petiole.
Description
Technical field
Blade technology field is used the invention belongs to ventilation blower, and in particular to a kind of axial fan blade.
Background technology
Blade is as an important component of impeller assembly, its structure, size and with the setting angle of impeller etc., for
Rotating speed, ventilation and service efficiency of impeller etc., there is vital effect.In the prior art, blade is inserted by petiole
Enter or bolt is fixed in wheel hub, it has the disadvantages that
If 1) be inserted directly into wheel hub, blade is connected unstable with wheel hub, is easily dropped in use；And blade is in assembling
In, easy play reduces operating efficiency；Meanwhile, multiple removes and installs, and is easily caused petiole and easily weares and teares, and petiole and wheel
The junction of hub is easily skidded, and fixation is unstable；
2) it is attached if only by bolt, step is more complicated, inefficiency is, it is necessary to which multiple bolts are connected
Connect, and dismantled in whole process very inconvenient.
The content of the invention
The technical problem to be solved in the present invention is to adjust play problem produced during blade angle, this hair during impeller is assembled
A kind of bright axial fan blade, which has, make it that play error is smaller, and blade angle is easily adjusted, and improves work effect
The characteristics of rate.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of axial fan blade, including blade face and petiole, the blade face is connected to form leaf with the petiole
Piece, and the blade is connected by petiole with wheel hub；
The petiole includes connecting portion and screens portion, and the connecting portion is used to connect the blade face and screens portion, the card
Position portion is used to the petiole being stuck in the wheel hub, the structure that the screens portion becomes larger for width, and the screens portion
Position width close to the connecting portion is maximum.
In a preferred embodiment of the invention, the connecting portion is to be revolved round the sun around the wheel hub or around the connecting portion
The structure of rotation.
In a preferred embodiment of the invention, the connecting portion is the curved surface that outer surface is circular or arc structure
Structure.
In a preferred embodiment of the invention, the Breadth Maximum in the screens portion is more than the maximum width of the connecting portion
Degree, so that the petiole is stuck in the wheel hub by the screens portion.
In a preferred embodiment of the invention, the screens portion is polyhedral structure.
In a preferred embodiment of the invention, the polyhedral structure is projection, tetragonal body, round platform, cylinder or rib
One kind in post.
In a preferred embodiment of the invention, the blade face is tilling structure, and the tilling structure is provided with groove.
In a preferred embodiment of the invention, the width of the groove gradually increases, the tilling structure with it is described
The width of groove described in petiole junction is maximum.
In a preferred embodiment of the invention, the blade face is integrally formed with the petiole.
By above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The present invention by petiole by dividing into connecting portion and screens portion so that the annexation of petiole and wheel hub is being not spiral shell
Bolt is fixed or is inserted directly into, but by screens portion, facilitates the assembling of impeller.
In the present invention, by screens portion, facilitate adjustment of blade angle, by adjusting connecting portion, screens portion and blade face i.e.
The regulation of blade angle can be achieved, the angular adjustment of blade is realized specifically by measurement difference in height.
The present invention is reduced play of the petiole in wheel hub, is improved assembly precision due to the presence in screens portion.
In the present invention, due to the presence of screens portion and connecting portion so that the insertion site of petiole diminishes in wheel hub, and then subtracts
Lack hub weight, save material.
The propeller fan blade that the present invention is provided, when it is connected with wheel hub, locally goes wrong or breaks in petiole
Damage, it is only necessary to change part, without abandoning whole blade, greatly save cost, improve service efficiency.
In the present invention, operating rate when blade is connected with wheel hub is accelerated, operating efficiency is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The first embodiment Leaf and the mounting structure figure of wheel hub that Fig. 1 provides for the present invention；
Connecting portion and the state of screens portion same level use figure in the first embodiment that Fig. 2 provides for the present invention；
The state of connecting portion and screens portion different level uses figure in the first embodiment that Fig. 3 provides for the present invention；
The structural representation for second of embodiment Leaf that Fig. 4 provides for the present invention；
The explosive view for the third embodiment Leaf that Fig. 5 provides for the present invention；
The structural representation for the 4th kind of embodiment Leaf that Fig. 6 provides for the present invention；
Numeral and the corresponding component title represented by letter in figure：
1st, blade face；2nd, petiole；3rd, wheel hub；4th, connecting portion；5th, screens portion；6th, groove.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to the drawings shown in 1-6, a kind of axial fan blade disclosed by the invention, including blade face 1 and petiole
2, wherein, blade face 1 is connected to form above-mentioned blade with the petiole 2, and the blade is connected by petiole 2 with wheel hub 3；
The petiole 2 includes connecting portion 4 and screens portion 5, the connecting portion 4 as the term suggests being used to connect the He of blade face 1
Screens portion 5, the screens portion 5 is used to the petiole 2 being stuck in the wheel hub 3.
During being used cooperatively due to blade and wheel hub 3, blade is easily movable in wheel hub 3, is grown especially with wheel hub 3
The rotation of phase, installation of the blade in wheel hub 3 is not sufficiently stable, and is easily come off.By screens portion 5 by its clamping, it is to avoid activity.
Further, the screens portion 5 is the structure that width becomes larger, and the screens portion is close to the connecting portion
Position width maximum is due to the change of the width of screens portion 5 so that screens portion 5 and the connection of wheel hub 3 are more and more tighter, are difficult play.
Wherein, blade face 1 can be connected with petiole 2 by connector or various connected modes, may also pass through welding solid
Fixed connection, it might even be possible to be attached otherwise, its object is to form blade.And in the prior art, blade face 1 and leaf
Handle 2 is integrally formed substantially, although this structure stable connection, once blade face 1 can not be used with one in petiole 2, then all
Cancel, and total carries very inconvenient.
And for connecting portion 4 and screens portion 5, both junctions can be the structure matched each other, or directly
Integrally formed design, it is not unalterable, can accordingly be changed according to the change of use environment etc..
Embodiment 1
Referring to the drawings shown in 1, a kind of axial fan blade that the present embodiment is provided, including blade face 1 and petiole
2, further, blade face 1 is conventional common blade face, or the blade face with certain curved surface；
Wherein, blade face 1 is connected to form above-mentioned blade with the petiole 2, and the blade is connected by petiole 2 with wheel hub 3；
The petiole 2 is included in connecting portion 4 and screens portion 5, the present embodiment, and the connecting portion 4 can be in the wheel hub 3
Axis is revolved round the sun.
Specifically, connecting portion 4 is connected by petiole 2 with wheel hub 3, in the rotation process of wheel hub 3, blade face 1 is rotated and then band
Above-mentioned connecting portion 4 is moved to be revolved round the sun around the axis of the wheel hub 3.
, can be by connecting portion 4 and the Integral design of blade face 1, it is therefore intended that be easy to produce and process in the present embodiment.Meanwhile,
And connecting portion 4 can also protect blade face 1 and wheel hub 3, when the outer rim of blade face 1 has sharp corner angle or uneven section, if
The section of sharp corner angle or injustice directly contacts or collided with wheel hub 3 when wheel hub 3 is rotated, then corner angle or uneven
The easy scratching wheel hub 3 in section；And wheel hub 3 is repeatedly rotated in use, wheel hub 3 and the frequency of exposure on blade face 1 are frequent in rotation, rib
Angle or the section of injustice have not only scratched wheel hub 3, and wheel hub 3 can be also reacted at the section of corner angle or injustice, can be to blade face 1
Surface impact, the outward appearance on blade face 1 is have impact on incessantly, or even cause whole ventilation blower operating efficiency and using effect
Decline.
Blade in the present embodiment, compared with the existing, the service life on petiole 2 and blade face 1 are long, form the mistake of ventilation blower
Journey is simple, removes and installs conveniently.
Further, in the present embodiment, blade can be connected in wheel hub 3, it is to avoid blade by the screens portion 5 in petiole 2
Dropping in rotation.
Specifically, the screens portion 5 is the structure being rotatably connected in the one end of connecting portion 4, wherein, it is rotatably connected, than
Such as bolt connection or socket mode.
When inserting wheel hub 3, referring to the drawings shown in 2, first by screens portion 5 turn to in the same level of connecting portion 4；Insertion
After wheel hub 3, referring to the drawings shown in 3, screens portion 5 is rotated so that it is in different level with connecting portion 4, can make screens
Provided with vertical between angle or screens portion 5 and connecting portion 4 between portion 5 and connecting portion 4.Now, screens portion 5 can see
Part be a batten.
In the present embodiment, the mode of whole blade insertion wheel hub 3 is extremely simple, and connects also sufficiently stable.Further
Hole can be opened up on ground, wheel hub 3, facilitates human hand to rotate screens portion 5 by hole.
Further, fixed structure can be set in screens portion 5 and the junction of wheel hub 3, positioning is realized when rotating it
After spacing, can further it be fixed by bolt etc..
Compared with prior art, not only wheel hub 3 is connected simply technical scheme with blade, and petiole 2 makes
With long lifespan, convenient use.
In the prior art, there are the structure by the cutting progress screens on petiole, this structure so that petiole body construction
Become unstable, especially neck portion, because cutting causes whole petiole connection loosing, be easily broken off.And this structure, with
The increase of access times, neck portion structure becomes big, and play can be more and more severe, causes whole service efficiency to reduce.And the application
In, the screens portion 5 become larger using width, with the increase of access times, screens portion 5 is connected more compact with wheel hub 3, especially
It is hole on screens portion 5 and wheel hub 3 etc., due to repeatedly activity, relative usage structure is compacter between screens portion 5 and hole, drop
Low play.
Embodiment 2
Referring to the drawings shown in 4, as the further improvement of above-described embodiment, in the present embodiment, connecting portion 4 is set to can be around even
The body of socket part 4 carries out the structure of rotation, such as connecting portion 4 can be using structures such as spherical or prisms.If using spherical, ball
The two ends of shape connect screens portion 5 and blade face 1 respectively.Spherical connecting portion 4, not only appearance look attractive in appearance, sky can also be saved
Between.
If blade face 1 is connected with connecting portion 4, then during 4 rotation of connecting portion, blade face 1 can also turn under the drive of its rotation
It is dynamic.For the ventilation blower of some particular/special requirements, it is required during hub rotation, and blade is not only needed with hub rotation, and
And the body of blade face 1 is also required to rotate, and by setting and can realize the function of the rotation of blade face 1 with the connecting portion of rotation, meet special
The ventilation blower very required.
Further, the material of connecting portion 4 can select the material with blade face 1 and all same of screens portion 5, be easy to processing to give birth to
Production.
In the prior art, blade, which is generally only included, lacks connecting portion 4 in blade face 1 and petiole 2, and petiole 2, if blade face 1
Need to rotate, then petiole 2 is general is also required to unitary rotation, and petiole 2 is to connect blade face 1 and the important component of wheel hub, if
In hub rotation, petiole 2 is also rotated, and is easily caused petiole 2 and is come off, or even can accidentally injure staff.By the company for setting rotation
Socket part, adds the safety coefficient in construction.
Further, the screens portion 5 is polyhedral structure.Polyhedron refers to two-by-two be connected by multiple planes, composition one
The solid of individual closing, such as：The structures such as pyramid, terrace with edge, square, cuboid.Wherein, solid is also solid, is space
Finite part, is surrounded by plane and curved surface.Such as prism, square or cylinder.Also it is solid.During prism is polyhedron
Simplest one kind, the head of our common some objects, such as prism, square brick and screw rod, they are all in prism
Shape.
Further, the structure that being also provided with wheel hub 3 is used to insert connecting portion 4 and screens portion 5 makes it insert wheel together
In hub 3, i.e., set respectively in wheel hub 3 spherical hollow space and with the corresponding cavity in screens portion 5, now, polyhedral Breadth Maximum
Spherical diameter should be more than, like this, screens portion 5 is just difficult backing out from wheel hub 3.Now can be by screens portion 5
By being inserted in the middle of wheel hub, and connecting portion 4 is then inserted by hub periphery, is then connected connecting portion 4 with screens portion 5, finally
Screens portion 5 and the junction of wheel hub 3 is fixed by bolt etc..Wheel hub 3 can also be set to two, so facilitate connecting portion
4 and screens portion 5 be inserted directly into, then two wheel hubs are fastened to again and are used together.Certainly, the above method is Part Methods,
Those skilled in the art see such structure, it is known that how to connect, with more a variety of methods for achieving connection.
In the present embodiment, mainly facilitate the rotation of blade, its is simple in construction, easy for installation, it is adaptable to special ventilation
Machine is used.
In the present embodiment, connecting portion 4 and screens portion 5 can be wholely set, and can also be separated；When wheel hub 3 is split as two
During individual minute wheel hub, connecting portion 4 and screens portion 5 can be demountable structure, and now, both insert in minute wheel hub 3 respectively, then detain
Close；And if one, then wheel hub 3 need not be split as two minute wheel hubs, directly be wholely set, meanwhile, opened up in wheel hub 3
Hole for rotating screens portion 5.
Embodiment 3
Referring to the drawings shown in 5, as the further improvement of above-described embodiment, in the present embodiment, connecting portion 4 is cylindric knot
Structure, connecting portion 4 and the blade face 1 of the cylindrical-shaped structure are integrally formed.
Referring to the drawings shown in 5, in the present embodiment, blade face 1 is tilling structure, the similar shape with tiling, therefore is set on blade face 1
Fluted 6, by groove 6, it can make have certain intake on blade face 1.
Further, because every section on blade face 1 of intake is different, consistent to guarantee air intake, the width of groove 6 is gradually
Increase, the width of the tilling structure and groove 6 described in the junction of petiole 2 is maximum.
Specifically, due to the position away from petiole 2, the linear velocity on blade face 1 is maximum, and close to the position of petiole 2, linear velocity
Minimum, now, intake size are also inconsistent, in order to ensure that its intake is consistent, improve product quality, the width of groove 6
Degree should be reversed with linear velocity size, i.e. the maximum position of linear velocity, and the width of groove 6 is smaller, and the minimum position of linear velocity is recessed
The width of groove 6 is bigger.
In the prior art, partial blade although fluted 6, but its width difference is than larger, some width of vane groove 6
It is suddenly big or suddenly small so that when blade face 1 works, intake is suddenly big or suddenly small, uneven, reduces its service efficiency, reduces product matter
Amount.And the application is by setting the groove 6 that width is gradually changed, it is ensured that uniform intake during blower fan work, work is improved
Make efficiency.
Specifically, in order to more illustrate annexation, explosive view is employed described in 5 referring to the drawings, wherein, cylindric knot
The upper surface at the top of connecting portion 4 of structure is connected with the lower surface of the bottom of blade face 1, and after upper surface or lower surface distortion
It is connected with blade face 1 or connecting portion 4, wherein, the angle degree between upper surface and lower surface is distortion angle.
In the present embodiment, because connecting portion 4 employs cylindrical-shaped structure, therefore screens portion 5 can select similar to connecting portion 4
Round platform, cylinder or prism in one kind.Now, connecting portion 4 can also realize rotation.
Further, the screens portion 5 of round platform, cylinder or prism structure, the Breadth Maximum of its cross section is justified more than connecting portion
The diameter of a circle of the cross section of cylindricality.If connecting portion 4 is not inserted into wheel hub, then the cross section of screens portion 5 in insertion wheel hub is big
In connecting portion 4, be completely embedded, but if connecting portion 4 is also inserted into wheel hub, then it is transversal due to the screens portion 5 behind connecting portion 4
Face is bigger, and now screens portion 5, which is stuck in wheel hub, will more consolidate and firm.
Embodiment 4
Referring to the drawings shown in 6, as the further improvement of above-described embodiment, in the present embodiment, connecting portion 4 is set to outer surface
Curved-surface structure with arc structure.Described curved-surface structure can be uniform corrugated, or other uneven
Even shape.
Because either wheel hub turn or wheel hub and blade are all rotated, the effect of connecting portion 4 is most important, and is set to song
Face structure, facilitates the connection in connecting portion 4 and blade face and screens portion 5.Simultaneously during use, curved-surface structure with more attractive in appearance,
With more comfort.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of axial fan blade, including blade face and petiole, it is characterised in that：The blade face connects with the petiole
Connect to form blade, and the blade is connected by petiole with wheel hub；
The petiole includes connecting portion and screens portion, and the connecting portion is used to connect the blade face and screens portion, the screens portion
For the petiole to be stuck in the wheel hub, the screens portion is the structure that width becomes larger, and the screens portion is close
The position width of the connecting portion is maximum.
2. a kind of axial fan blade according to claim 1, it is characterised in that：The connecting portion is can be around
Revolved round the sun or carried out around the connecting portion structure of rotation for the axis of the wheel hub.
3. a kind of axial fan blade according to claim 1 or 2, it is characterised in that：The connecting portion is
Outer surface is circle or the curved-surface structure of arc structure.
4. a kind of axial fan blade according to claim 1, it is characterised in that：The maximum in the screens portion
Width is more than the Breadth Maximum of the connecting portion, so that the petiole is stuck in the wheel hub by the screens portion.
5. according to a kind of any described axial fan blades of claim 1-4, it is characterised in that：The screens portion
For polyhedral structure.
6. a kind of axial fan blade according to claim 5, it is characterised in that：The polyhedral structure is
One kind in projection, tetragonal body, round platform, cylinder or prism.
7. a kind of axial fan blade according to claim 1, it is characterised in that：The blade face is tiling knot
Structure, the tilling structure is provided with groove.
8. according to a kind of axial fan blade described in claim 7, it is characterised in that：The width of the groove is gradually
Increase, the width of the tilling structure and groove described in the petiole junction is maximum.
9. a kind of axial fan blade according to claim 1, it is characterised in that：The blade face and the leaf
Handle is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543816.2A CN107143524A (en) | 2017-07-05 | 2017-07-05 | A kind of axial fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543816.2A CN107143524A (en) | 2017-07-05 | 2017-07-05 | A kind of axial fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143524A true CN107143524A (en) | 2017-09-08 |
Family
ID=59785429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710543816.2A Pending CN107143524A (en) | 2017-07-05 | 2017-07-05 | A kind of axial fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143524A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1050683A2 (en) * | 1999-05-07 | 2000-11-08 | Soler Y Palau, S.A. | Fan hub |
| CN202971320U (en) * | 2012-12-20 | 2013-06-05 | 浙江亿利达风机股份有限公司 | Impeller |
| CN203926126U (en) * | 2014-06-05 | 2014-11-05 | 浙江上风实业股份有限公司 | Nuclear power fan impeller |
| CN104389817A (en) * | 2014-11-05 | 2015-03-04 | 广东佳科风机股份有限公司 | Surging-reduction low-noise blower impeller with adjustable blade angle |
| CN105637227A (en) * | 2014-06-24 | 2016-06-01 | Tlt-涡轮有限公司 | Impeller for axial fans |
| CN207004924U (en) * | 2017-07-05 | 2018-02-13 | 陕西金翼通风科技有限公司 | A kind of axial fan blade |
-
2017
- 2017-07-05 CN CN201710543816.2A patent/CN107143524A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1050683A2 (en) * | 1999-05-07 | 2000-11-08 | Soler Y Palau, S.A. | Fan hub |
| CN202971320U (en) * | 2012-12-20 | 2013-06-05 | 浙江亿利达风机股份有限公司 | Impeller |
| CN203926126U (en) * | 2014-06-05 | 2014-11-05 | 浙江上风实业股份有限公司 | Nuclear power fan impeller |
| CN105637227A (en) * | 2014-06-24 | 2016-06-01 | Tlt-涡轮有限公司 | Impeller for axial fans |
| CN104389817A (en) * | 2014-11-05 | 2015-03-04 | 广东佳科风机股份有限公司 | Surging-reduction low-noise blower impeller with adjustable blade angle |
| CN207004924U (en) * | 2017-07-05 | 2018-02-13 | 陕西金翼通风科技有限公司 | A kind of axial fan blade |
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