CN110159354A - A kind of novel impeller device - Google Patents
A kind of novel impeller device Download PDFInfo
- Publication number
- CN110159354A CN110159354A CN201910507453.6A CN201910507453A CN110159354A CN 110159354 A CN110159354 A CN 110159354A CN 201910507453 A CN201910507453 A CN 201910507453A CN 110159354 A CN110159354 A CN 110159354A
- Authority
- CN
- China
- Prior art keywords
- spoke
- blade
- hole
- impeller device
- novel impeller
- 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
- 238000002788 crimping Methods 0.000 claims description 9
- 244000152100 Sorbus torminalis Species 0.000 claims description 7
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 244000269722 Thea sinensis Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/022—Blade-carrying members, e.g. rotors with concentric rows of axial blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
- F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of novel impeller devices, including the first spoke, the second spoke, axle sleeve, blade, curved plate and fan-shaped mounting plate, first spoke and the second spoke size are identical equipped with circular bulge in wafer architecture and middle part, first spoke along the circumferential direction equidistantly offers several first mounting holes close to edge, second spoke along the circumferential direction equidistantly offers several second mounting holes close to edge, the first circular hole is offered in the middle part of first spoke, offers the second circular hole in the middle part of second spoke.The utility model has the advantages that blade can be disassembled from the first spoke and the second spoke, convenient for being replaced to the blade of damage, reduce blade damage bring economic loss, and blade is circumferentially continuously arranged, the air quantity generated when can increase wheel rotation, and impeller total quality is smaller, to improve the rate of wind-producing.
Description
Technical field
The present invention relates to impeller fields, it particularly relates to a kind of novel impeller device.
Background technique
Impeller had both referred to the wheel disc equipped with movable vane, was the component part of impulse turbine rotor, and can be with finger wheel disk and peace
The general name of the moving blade of dress thereon, impeller includes circular ring shape tea residue plate, wheel hub, blade, and blade is fixed on circular ring shape tea residue plate
On, it is linked together on the inside of wheel hub and circular ring shape tea residue plate, wheel hub and circular ring shape tea residue plate are concentric, and axis is arranged at the center of wheel hub
Set, motor shaft passes through axle sleeve upper shaft hole and is fixed with screw to which impeller rotates when use.
The blade of existing impeller mostly uses greatly the mode of integrated molding or welding to be fixed on axle sleeve, leads to have part leaf
Piece is damaged, it is necessary to replace to entire impeller, bring economic loss is larger, and existing impeller blade and leaf
There are biggish distance between piece, and the larger heavier mass of wheel hub, cause the air quantity generated when wheel rotation smaller, produces wind efficiency
It is lower.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of novel impeller devices, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of novel impeller device includes the first spoke, the
Two spokes, axle sleeve, blade, curved plate and fan-shaped mounting plate, first spoke are identical in the second spoke size
Wafer architecture and middle part is equipped with circular bulge, if first spoke is along the circumferential direction equidistantly offered close to edge
Dry first mounting hole, second spoke along the circumferential direction equidistantly offers several second mounting holes close to edge, described
Offer the first circular hole in the middle part of first spoke, offer the second circular hole in the middle part of second spoke, first circular hole with it is described
Second circular hole size is identical, and the protrusion of first spoke and the protrusion of second spoke are welded and fixed, and described first
It is fixedly welded with axle sleeve in the middle part of spoke and second spoke, offers axis hole in the middle part of the axle sleeve, described axle sleeve one end is symmetrical
The threaded hole that quantity is two is offered, the blade lower end is fixed with curved plate, is fixed under the curved plate
Fan-shaped mounting plate offers third mounting hole in the middle part of the sector mounting plate, first mounting hole, second mounting hole and
The third mounting hole matches, and the sector mounting plate is arranged between first spoke and second spoke and passes through
Bolt, nut are fixed.
Further, first spoke and second spoke, which correspond to, offers several oval heat release holes, described
The quantity of heat release hole is for 11 and evenly distributed in the circumferential direction.
Further, triangle spacing block set is fixed in the axis hole.
Further, first mounting hole is identical as the quantity of second mounting hole.
Further, the two sides outer wall of the fan-shaped mounting plate is machined with anti-skid chequer.
Further, the blade is along first spoke and the circumferentially continuous arrangement of the second spoke.
Further, first spoke and second spoke border are equipped with outside crimping.
Further, the blade, the curved plate and the fan-shaped mounting plate fibreglass enhance nylon material
Material is made.
Compared with prior art, the invention has the following advantages:
(1), the present invention passes through the first spoke of setting, the second spoke, axle sleeve, blade, curved plate and fan-shaped mounting plate, energy
It is enough to disassemble blade from the first spoke and the second spoke, convenient for replacing to the blade of damage, reduce blade damage
Bring economic loss, and blade is circumferentially continuously arranged, the air quantity generated when can increase wheel rotation, and impeller
Total quality is smaller, to improve the rate of wind-producing.
(2), the present invention can be conducive to the heat dissipation of driving motor by setting heat release hole.
(3), the present invention can aid in reduce in threaded hole and be used for installing fixed motor shaft by setting spacing block set
Screw twisting resistance, to be protected to the screw thread of screw and threaded hole.
(4), the present invention can be increased between fan-shaped mounting plate and the first spoke, the second spoke by setting anti-skid chequer
Frictional force, so that blade is not susceptible to loosen.
(5), the present invention can be used in support curved plate by setting crimping.
(6), by the present invention in that blade, curved plate and fan-shaped mounting plate is made with glass fibre reinforced nylon material,
Enable to blade, curved plate and fan-shaped mounting plate that there is excellent heat resistance, dimensional stability, rigidity, mechanical performance (to draw
Stretch intensity and bending strength).
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of main view of novel impeller device according to an embodiment of the present invention；
Fig. 2 is a kind of sectional view of novel impeller device according to an embodiment of the present invention；
Fig. 3 is the main view that a kind of novel impeller device according to an embodiment of the present invention does not install blade；
Fig. 4 is the sectional view that a kind of novel impeller device according to an embodiment of the present invention does not install blade；
Fig. 5 is the sectional view of the first spoke in a kind of novel impeller device according to an embodiment of the present invention；
Fig. 6 is the sectional view of the second spoke in a kind of novel impeller device according to an embodiment of the present invention；
Fig. 7 is a kind of sectional view of novel impeller device bottom bracket axle according to an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of blade in a kind of novel impeller device according to an embodiment of the present invention；
Fig. 9 is blade in a kind of novel impeller device according to an embodiment of the present invention, curved plate and fan-shaped mounting plate
Main view；
Figure 10 is blade in a kind of novel impeller device according to an embodiment of the present invention, curved plate and fan-shaped mounting plate
Side view.
Appended drawing reference:
1, the first spoke；2, the second spoke；3, protrusion；4, the first mounting hole；5, the second mounting hole；6, the first circular hole；
7, the second circular hole；8, axle sleeve；9, axis hole；10, threaded hole；11, blade；12, curved plate；13, fan-shaped mounting plate；14, third
Mounting hole；15, bolt；16, nut；17, heat release hole；18, spacing block set；19, anti-skid chequer；20, crimping.
Specific embodiment
In the following, making further description to invention in conjunction with attached drawing and specific embodiment:
Embodiment one:
Please refer to Fig. 1-10, a kind of novel impeller device according to an embodiment of the present invention, including the first spoke 1, second wheel
Spoke 2, axle sleeve 8, blade 11, curved plate 12 and fan-shaped mounting plate 13,2 size phase of first spoke 1 and second spoke
With circular bulge 3 is equipped in wafer architecture and middle part, first spoke 1 is along the circumferential direction equidistant close to edge
Several first mounting holes 4 are offered, second spoke 2 along the circumferential direction equidistantly offers several second peaces close to edge
Hole 5 is filled, the first circular hole 6 is offered in the middle part of first spoke 1, the second circular hole 7 is offered in the middle part of second spoke 2, it is described
First circular hole 6 is identical as 7 size of the second circular hole, the protrusion of the protrusion 3 of first spoke 1 and second spoke 2
Portion 3 is welded and fixed, and axle sleeve 8 is fixedly welded in the middle part of first spoke 1 and second spoke 2, is opened up in the middle part of the axle sleeve 8
There is axis hole 9, described 8 one end of axle sleeve symmetrically offers the threaded hole 10 that quantity is two, and 11 lower end of blade is fixed with arc
Shape bottom plate 12 is fixed with fan-shaped mounting plate 13 under the curved plate 12, offers third in the middle part of the sector mounting plate 13
Mounting hole 14, first mounting hole 4, second mounting hole 5 and the third mounting hole 14 match, the fan-shaped installation
Plate 13 is arranged between first spoke 1 and second spoke 2 and is fixed by bolt 15, nut 16.
Above scheme through the invention can disassemble blade 11, just from the first spoke 1 and the second spoke 2
It is replaced in the blade 11 of damage, reduces blade 11 and damage bring economic loss, and blade 11 is circumferentially continuous
Arrangement, the air quantity generated when can increase wheel rotation, and impeller total quality is smaller, to improve the rate of wind-producing.
Embodiment two:
Fig. 1-3 is please referred to, for the first spoke 1 and the second spoke 2, first spoke 1 and second spoke 2
Corresponding to offer several oval heat release holes 17, the quantity of the heat release hole 17 is 11 and along the circumferential direction uniform cloth
It sets；For axis hole 9, triangle spacing block set 18 is fixed in the axis hole 9；It is described for the first mounting hole 4
First mounting hole 4 is identical as the quantity of second mounting hole 5.
Above scheme through the invention, heat release hole 17 can be conducive to the heat dissipation of driving motor, and spacing block set 18 can
Help to reduce for installing the twisting resistance of the screw of fixed motor shaft in threaded hole 10, thus to screw and threaded hole 10
Screw thread protected.
Embodiment three:
Fig. 1,4 and 9 are please referred to, for fan-shaped mounting plate 13, the two sides outer wall of the sector mounting plate 13 is processed
There is anti-skid chequer 19；For blade 11, the blade 11 connects along first spoke 1 and 2 circumferencial direction of the second spoke
Continuous arrangement；For the first spoke 1 and the second spoke 2, first spoke 1 and 2 edge of the second spoke are all provided with oriented
Outer crimping 20；For blade 11, curved plate 12 and fan-shaped mounting plate 13, the blade 11, the curved plate 12
It is made with fan-shaped 13 fibreglass of the mounting plate enhancing nylon material.
Above scheme through the invention, anti-skid chequer 19 can increase fan-shaped mounting plate 13 and the first spoke 1, the second spoke
Frictional force between 2, so that blade 11 is not susceptible to loosen, crimping 20 can be used in support curved plate 12, and glass fibre increases
Strong nylon enables to blade 11, curved plate 12 and fan-shaped mounting plate 13 to have excellent heat resistance, dimensional stability, just
Property, mechanical properties tensile strength and bending strength.
In order to facilitate above-mentioned technical proposal of the invention is understood, below just present invention working principle in the actual process or
Person's mode of operation is described in detail.
In practical application, the protrusion 3 of the first spoke 1 and the second spoke 2 is welded together first, then by axle sleeve
8 are welded on the middle part of the first spoke 1 and the second spoke 2, and fan-shaped mounting plate 13 is then sticked into the first spoke 1 and the second wheel one by one
In the gap at 2 edge of spoke, and the first mounting hole 4, the second mounting hole 5 and third mounting hole 14 are overlapped, are inserted into bolt 15
And top nut 16 is installed, the assembly of impeller can be completed, under capable of dismantling blade 11 from the first spoke 1 and the second spoke 2
Come, convenient for being replaced to the blade 11 of damage, reduces blade 11 and damage bring economic loss, and blade 11 is circumferentially
Continuous arrangement, the air quantity generated when can increase wheel rotation, and the first spoke 1 and the second spoke 2 in disc-shaped and are set
It is equipped with protrusion 3 and crimping 20, protrusion 3 and crimping 20 are process using cold pressing, hot pressing or integral molding techniques, so that the
One spoke 1 and the second spoke 2 are not susceptible to deform while having smaller quality, so that impeller total quality is smaller, to mention
The high rate of wind-producing, heat release hole 17 can be conducive to the heat dissipation of driving motor, and spacing block set 18 can aid in reduction screw thread
For installing the twisting resistance of the screw of fixed motor shaft in hole 10, to be protected to the screw thread of screw and threaded hole 10
Shield, anti-skid chequer 19 can increase the frictional force between fan-shaped mounting plate 13 and the first spoke 1, the second spoke 2, so that blade 11 is not
It easily loosens, crimping 20 can be used in support curved plate 12, and glass fibre reinforced nylon enables to blade 11, arcuate bottom
Plate 12 and fan-shaped mounting plate 13 have excellent heat resistance, dimensional stability, rigidity, mechanical performance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of novel impeller device, which is characterized in that including the first spoke (1), the second spoke (2), axle sleeve (8), blade
(11), curved plate (12) and fan-shaped mounting plate (13), first spoke (1) are identical with the second spoke (2) size
It is equipped with circular bulge (3) in wafer architecture and middle part, first spoke (1) is along the circumferential direction equidistant close to edge
Offer several first mounting holes (4), second spoke (2) along the circumferential direction equidistantly offers several the close to edge
Two mounting holes (5) offer the first circular hole (6) in the middle part of first spoke (1), and the is offered in the middle part of second spoke (2)
Two circular holes (7), first circular hole (6) is identical as the second circular hole (7) size, the protrusion (3) of first spoke (1)
It is welded and fixed with the protrusion (3) of second spoke (2), it is fixed in the middle part of first spoke (1) and second spoke (2)
It is welded with axle sleeve (8), is offered axis hole (9) in the middle part of the axle sleeve (8), it is two that described axle sleeve (8) one end, which symmetrically offers quantity,
A threaded hole (10), blade (11) lower end are fixed with curved plate (12), and fixation is set under the curved plate (12)
Have fan-shaped mounting plate (13), is offered third mounting hole (14) in the middle part of the sector mounting plate (13), first mounting hole
(4), second mounting hole (5) and the third mounting hole (14) match, and the sector mounting plate (13) is arranged described
It is between first spoke (1) and second spoke (2) and fixed by bolt (15), nut (16).
2. a kind of novel impeller device according to claim 1, which is characterized in that first spoke (1) and described
Two spokes (2) are corresponding to offer several oval heat release holes (17), and the quantity of the heat release hole (17) is 11 and along circle
Circumferential direction is evenly arranged.
3. a kind of novel impeller device according to claim 1, which is characterized in that be fixed with three in the axis hole (9)
Angular spacing block set (18).
4. a kind of novel impeller device according to claim 1, which is characterized in that first mounting hole (4) with it is described
The quantity of second mounting hole (5) is identical.
5. a kind of novel impeller device according to claim 1, which is characterized in that the two sides of the sector mounting plate (13)
Outer wall is machined with anti-skid chequer (19).
6. a kind of novel impeller device according to claim 2, which is characterized in that the blade (11) is along the first round
Spoke (1) and second spoke (2) circumferentially continuous arrangement.
7. a kind of novel impeller device according to claim 6, which is characterized in that first spoke (1) and described
Two spokes (2) edge is equipped with outside crimping (20).
8. a kind of novel impeller device according to claim 7, which is characterized in that the blade (11), the arcuate bottom
Plate (12) and fan-shaped mounting plate (13) the fibreglass enhancing nylon material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507453.6A CN110159354A (en) | 2019-06-12 | 2019-06-12 | A kind of novel impeller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507453.6A CN110159354A (en) | 2019-06-12 | 2019-06-12 | A kind of novel impeller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159354A true CN110159354A (en) | 2019-08-23 |
Family
ID=67628592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507453.6A Pending CN110159354A (en) | 2019-06-12 | 2019-06-12 | A kind of novel impeller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159354A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009403A (en) * | 1961-07-14 | 1965-11-10 | Dowty Rotol Ltd | Impellers and turbine wheels |
| CN1903494A (en) * | 2005-07-29 | 2007-01-31 | 斯奈克玛 | Method for repairing a blade of a one-piece bladed disc of aturbine engine and a test piece for implementing the method |
| CN201916247U (en) * | 2010-12-23 | 2011-08-03 | 西北工业大学 | Axial-flow blower impeller by utilizing assembly blade wheel disk |
| CN206111658U (en) * | 2016-08-08 | 2017-04-19 | 上海亨远船舶设备有限公司 | Impeller hub with adjustable |
| CN208220845U (en) * | 2018-05-29 | 2018-12-11 | 广东绿岛风空气***股份有限公司 | A kind of mixed flow impeller |
| CN208252426U (en) * | 2018-05-30 | 2018-12-18 | 青岛众力风机有限公司 | A kind of impeller |
| CN208650921U (en) * | 2018-08-01 | 2019-03-26 | 常州金坛环保设备有限公司 | A kind of blade that steam turbine use can be anti-loose |
| CN210087394U (en) * | 2019-06-12 | 2020-02-18 | 李忠奇 | Novel impeller |
-
2019
- 2019-06-12 CN CN201910507453.6A patent/CN110159354A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009403A (en) * | 1961-07-14 | 1965-11-10 | Dowty Rotol Ltd | Impellers and turbine wheels |
| CN1903494A (en) * | 2005-07-29 | 2007-01-31 | 斯奈克玛 | Method for repairing a blade of a one-piece bladed disc of aturbine engine and a test piece for implementing the method |
| CN201916247U (en) * | 2010-12-23 | 2011-08-03 | 西北工业大学 | Axial-flow blower impeller by utilizing assembly blade wheel disk |
| CN206111658U (en) * | 2016-08-08 | 2017-04-19 | 上海亨远船舶设备有限公司 | Impeller hub with adjustable |
| CN208220845U (en) * | 2018-05-29 | 2018-12-11 | 广东绿岛风空气***股份有限公司 | A kind of mixed flow impeller |
| CN208252426U (en) * | 2018-05-30 | 2018-12-18 | 青岛众力风机有限公司 | A kind of impeller |
| CN208650921U (en) * | 2018-08-01 | 2019-03-26 | 常州金坛环保设备有限公司 | A kind of blade that steam turbine use can be anti-loose |
| CN210087394U (en) * | 2019-06-12 | 2020-02-18 | 李忠奇 | Novel impeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205136122U (en) | Blade angle adjustable axial fan impeller | |
| CN109555564A (en) | The brush seal structure of brush wire bundle Yu rotor cover radial clearance is adjusted containing magnet | |
| CN208445370U (en) | Disc rotor motor and motor | |
| CN107461345A (en) | Aerofoil fan and electric fan | |
| CN110159354A (en) | A kind of novel impeller device | |
| CN205744542U (en) | A kind of low-noise axial flow fan for cooling air conditioner | |
| KR20150121213A (en) | Rotating blade of wind-driven generator | |
| CN102758793B (en) | Fan blade and axial flow fan with fan blade of air conditioner | |
| CN210087394U (en) | Novel impeller | |
| CN204474807U (en) | A kind of electrostatic spinning receiving system of replaceable multiple diameter collection cylinder | |
| CN201399723Y (en) | Double-disc impeller head | |
| CN207455672U (en) | Oil smoke purifier and lampblack absorber | |
| CN209604097U (en) | The brush seal structure of brush wire bundle Yu rotor cover radial clearance is adjusted containing magnet | |
| CN202152759U (en) | Electric generator fan | |
| CN202165308U (en) | Fan of generator | |
| CN210867467U (en) | Magnetic induction suspension motor with curved angle | |
| CN210033944U (en) | Conical shaft hole impeller of single-stage ultrahigh pressure special centrifugal fan | |
| CN100552235C (en) | Ring type cooling fan with enhanced type flow guiding ring | |
| CN203297153U (en) | Exhaust fan impeller | |
| CN202125461U (en) | Generator fan | |
| CN201401364Y (en) | Riveted fan impeller | |
| CN205895321U (en) | Pull rod connection structure of gas turbine rotor rim plate | |
| CN204783824U (en) | Blade is of drop shape for turning over, laying dust fan wheel is prevented for dish to backplate | |
| CN204783830U (en) | What blade was wedge, backplate for dish prevents laying dust fan | |
| CN202165309U (en) | Aluminum fan of generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |