CN108180165A - High-speed blower and its magnet rotor - Google Patents
High-speed blower and its magnet rotor Download PDFInfo
- Publication number
- CN108180165A CN108180165A CN201711432531.8A CN201711432531A CN108180165A CN 108180165 A CN108180165 A CN 108180165A CN 201711432531 A CN201711432531 A CN 201711432531A CN 108180165 A CN108180165 A CN 108180165A
- Authority
- CN
- China
- Prior art keywords
- shaft
- rotary shaft
- front rotary
- permanent magnet
- magnet rotor
- 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
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of magnet rotors of high-speed blower, including the front rotary shaft, permanent magnet and rear shaft for being coaxially disposed and rotating synchronously, permanent magnet includes multiple tile type magnets, the peripheral surface for being installed on forward shaft rear end is arranged in order along the axial and circumferential direction of front rotary shaft, bearing is set with outside front rotary shaft and rear shaft, the front end of front rotary shaft is equipped with receded disk impeller, and the rear end of rear shaft is equipped with cooling fan.It is simple and light, and satisfied the use demand with enough rigidity, shaft rotation drives cooling fan synchronous rotary, and to permanent magnet pectinid, the cooling to permanent magnet is realized by cooling fan, reduces the risk of permanent magnet high temperature demagnetization.Moreover, cooling fan is split from receded disk impeller in different projecting ends, it is distributed rotor quality more reasonable, static balance is easier to ensure, optimizes the kinetic characteristics of magnet rotor, reduces permanent magnet eddy-current loss.The invention also discloses a kind of high-speed blowers for including above-mentioned magnet rotor.
Description
Technical field
The present invention relates to air blower field, more particularly to a kind of magnet rotor of high-speed blower.In addition, the present invention is also
It is related to a kind of high-speed blower for including above-mentioned magnet rotor.
Background technology
High-speed blower is the core apparatus that the multiple fields such as chemical industry, food and sewage disposal are used for blast aeration.In height
On fast air blower, advantageously, rolling bearing is because there are be difficult to reality during contact wear for than other kind class bearing of foil air bearing
Existing high rotating speed, long-lived operation.Magnetic suspension bearing is suitable for high-speed overload field, but control system is complicated, at high price.Liquid
Sliding bearing needs additional oil supply system, oil feed line complicated and easily leakage, high speed down cut friction power loss lead to greatly Wen Sheng
It is high.So foil air bearing application advantage on the air blower of high speed light loading is huge.
However, the characteristics of foil air bearing bearing capacity is weak, rigidity is low brings many technical barriers to rotor structure
Because the bearing capacity of foil air bearing is weaker, rotor structure needs loss of weight as possible to optimize.Because permanent magnet tensile strength is low in height
It is easy to destroy under speed centrifugation action of pulling stress, so as to limit rotor diameter size, reduces the rigidity of shaft.Relatively low bearing
Rigidity and shaft stiffness make rotor dynamics design become extremely difficult, and increase the difficulty of matching between shaft and impeller.
Meanwhile under the conditions of high-speed high frequency, the heat that permanent magnet eddy-current loss generates constantly is accumulated, and increases the wind of permanent magnet loss of excitation
Danger, strict demand is proposed to base inner ventilating and cooling.
Therefore, it is simple and light how to provide one kind, and rigidity satisfies the use demand, and the magnet rotor that can be radiated
It is the current technical issues that need to address of those skilled in the art.
Invention content
It is simple and light the object of the present invention is to provide a kind of magnet rotor of high-speed blower, and rigidity satisfaction makes
With demand, and can radiate.It is a further object of the present invention to provide a kind of high-speed blower for including above-mentioned magnet rotor, structures
It is simple light, and rigidity satisfies the use demand, and can radiate.
In order to solve the above technical problems, the present invention provides a kind of magnet rotor of high-speed blower, including coaxial arrangement and
Front rotary shaft, permanent magnet and the rear shaft of synchronous rotation, the permanent magnet includes multiple tile type magnets, along the axis of the front rotary shaft
To being arranged in order the peripheral surface that is installed on the forward shaft rear end with circumferential direction, the front rotary shaft and it is described after cover outside shaft
Equipped with bearing, the front end of the front rotary shaft is equipped with receded disk impeller, and the rear end of the rear shaft is equipped with cooling fan.
Preferably, protection axle sleeve is set with outside the permanent magnet, and the both ends of the protection axle sleeve are set in described
The rear end of front rotary shaft and it is described after shaft front end, and it is described protection axle sleeve respectively with the permanent magnet, the front rotary shaft and institute
State rear shaft interference fit.
Preferably, the forward shaft rear end is provided with the annular mounting groove around the front rotary shaft axis, the permanent magnet
It is installed in the annular mounting groove.
Preferably, the axial and circumferential direction of multiple the tile type magnet along the front rotary shafts, which is arranged in order, is installed on institute
It states in mounting groove.
Preferably, the first limited step is provided in the middle part of the front rotary shaft, the front end of the rear shaft is provided with second
Limited step, the both ends of the protection axle sleeve offset, and pacify with first limited step and second limited step respectively
The periphery of the front rotary shaft, the rear shaft and the protection axle sleeve, which is located at, after the completion of dress is same as periphery.
Preferably, the front rotary shaft periphery is set with preceding foil air bearing, and the preceding foil air bearing is located at described
Between receded disk impeller and the protection axle sleeve.
Preferably, the rear shaft periphery is provided with baffle, and the installed in front of the baffle has radical-thrust to combine paillon
Air bearing is equipped with thrust foil air bearing on rear side of the baffle.
Preferably, the bearing is pressure-feed air bearing, foil dynamical pressure air axis or rigid bearing shell self-acting air bearing.
Preferably, the hollow setting of the front rotary shaft, and the front rotary shaft is internally provided with front mounting plate, the centrifugal leaf
Wheel is installed on the front mounting plate by impeller pull bar and impeller locking nut；Rotary shaft hollow setting after described, and described rear turn
Axis is internally provided with rear installing plate, and the cooling fan is installed on the rear installation by fan pull rod and fan locking nut
Plate.
The present invention provides a kind of high-speed blower, including rack and is installed on the magnet rotor of the rack, the magnetic
Property rotor is specially the magnet rotor described in above-mentioned any one.
The present invention provides a kind of magnet rotor of high-speed blower, including the front rotary shaft, forever for being coaxially disposed and rotating synchronously
Magnet and rear shaft, permanent magnet include multiple tile type magnets, are arranged in order and are installed on along the axial and circumferential direction of front rotary shaft
Bearing is set with outside the peripheral surface of forward shaft rear end, front rotary shaft and rear shaft, the front end of front rotary shaft is equipped with receded disk impeller,
The rear end of shaft is equipped with cooling fan afterwards.It is simple and light, and satisfied the use demand with enough rigidity, shaft rotation
Cooling fan synchronous rotary is driven, to permanent magnet pectinid, the cooling to permanent magnet is realized by cooling fan, reduces permanent magnetism
The risk of body high temperature demagnetization.Moreover, cooling fan is split from receded disk impeller in different projecting ends, make rotor quality distribution more
To be reasonable, static balance is easier to ensure, optimizes the kinetic characteristics of magnet rotor, reduces permanent magnet eddy-current loss.
The present invention also provides a kind of high-speed blower for including above-mentioned magnet rotor, since above-mentioned magnetic turn with above-mentioned skill
Art effect, above-mentioned high-speed blower should also have same technique effect, no longer be discussed in detail herein.
Description of the drawings
Fig. 1 is a kind of structure diagram of specific embodiment of magnet rotor provided by the present invention；
Section views of the Fig. 2 for permanent magnet installation site in a kind of specific embodiment of magnet rotor provided by the present invention
Figure.
Specific embodiment
The core of the present invention is to provide a kind of magnet rotor of high-speed blower, simple and light, and rigidity satisfaction makes
With demand, and can radiate.Another core of the present invention is to provide a kind of high-speed blower for including above-mentioned magnet rotor, structure
It is simple light, and rigidity satisfies the use demand, and can radiate.
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
It please refers to Fig.1 and Fig. 2, Fig. 1 shows for a kind of structure of specific embodiment of magnet rotor provided by the present invention
It is intended to；Sectional views of the Fig. 2 for permanent magnet installation site in a kind of specific embodiment of magnet rotor provided by the present invention.
The specific embodiment of the invention provides a kind of magnet rotor of high-speed blower, including being coaxially disposed and rotating synchronously
Front rotary shaft 5, permanent magnet 7 and rear shaft 8, permanent magnet 7 is between front rotary shaft 5 and rear shaft 8, outside front rotary shaft 5 and rear shaft 8
Bearing is set with, the front end of front rotary shaft 5 is equipped with receded disk impeller 3, and the rear end of rear shaft 8 is equipped with cooling fan 11.I.e.
Front rotary shaft 5, permanent magnet 7 and rear shaft 8 are joined together to form a shaft, and receded disk impeller 3 and cooling fan 11 are set respectively
It is placed in the both ends of this shaft.It is front end that each component, which is defined, close to one end of receded disk impeller 3, close to one end of cooling fan 11
For rear end.
It is simple and light, and satisfied the use demand with enough rigidity, shaft rotation drives cooling fan 11 to synchronize
Rotation, to 7 pectinid of permanent magnet, the cooling to permanent magnet 7 is realized by cooling fan 11, reduces the demagnetization of 7 high temperature of permanent magnet
Risk.Moreover, cooling fan 11 is split from receded disk impeller 3 in different projecting ends, make rotor quality distribution more reasonable,
Static balance is easier to ensure, optimizes the kinetic characteristics of magnet rotor, reduce by 7 eddy-current loss of permanent magnet.
Being stably connected with for shaft 5, permanent magnet 7 and rear shaft 8 can be accomplished in several ways, it can be outside permanent magnet 7
Suit protection axle sleeve 6, and the both ends of protection axle sleeve 6 are set with the front end in the rear end of front rotary shaft 5 and rear shaft 8, and protect
Axle sleeve 6 is interference fitted respectively with permanent magnet 7, front rotary shaft 5 and rear shaft 8, that is, protects the front end tight front rotary shaft 5 of axle sleeve 6
Rear end, protect axle sleeve 6 rear end tight after shaft 8 front end, protect axle sleeve 6 middle part tight permanent magnet 7.It borrows
Help protection axle sleeve 6 couple with the interference fit between front rotary shaft 4, permanent magnet 7, rear shaft 8 realization torque forward, back kick
It passs, while interference fit avoids destruction of the permanent magnet 7 under high speed centrifugation action of pulling stress.Axle sleeve 6 is protected to may be used not
Become rusty the materials such as steel, titanium alloy or carbon fiber, has enough intensity, can also be used and the modes such as is bolted or is threadedly coupled and carry out
Connection, within protection scope of the present invention.
In the magnet rotor provided in the specific embodiment of the invention, 5 rear end of front rotary shaft is provided with around 5 axis of front rotary shaft
Annular mounting groove, permanent magnet 7 is installed in annular mounting groove, and annular mounting groove is provided with end face along the axial both sides of front rotary shaft 5,
It offsets with permanent magnet 7, permanent magnet is limited, while permanent magnet 7 is made to be embedded in front rotary shaft 5, make the two upper surface concordant.
Permanent magnet 7 is multiple tile type magnets, is arranged in order along the axial and circumferential direction of front rotary shaft 5 and is installed on mounting groove
Interior, i.e., permanent magnet 7 is polylith split-type design, is arranged in order and is installed tightly in mounting groove, can be glued by High-strength glue
The bottom surface of annular mounting groove is attached to, reduces the eddy-current loss of the generation of permanent magnet 7.Such as use the side of magnetizing first magnetized and spliced again
Case can also avoid whole the magnetize technology difficulty brought and high cost.
In the magnet rotor provided in the specific embodiment of the invention, the middle part of front rotary shaft 5 is provided with the first limited step,
The diameter of 5 front end of front rotary shaft is made to be more than the diameter of rear end, the front end of rear shaft 8 is provided with the second limited step, after making rear shaft 8
The diameter at end is more than the diameter of front end, and the both ends of protection axle sleeve 6 offset respectively with the first limited step and the second limited step, and
The periphery of front rotary shaft 5, rear shaft 8 and protection axle sleeve 6, which is located at, after installation is complete is same as periphery, i.e., by each part dimension
It limits, makes to form a wheel chair access shaft in surface after installing.
Bearing can be pressure-feed air bearing or rigid bearing shell self-acting air bearing, and foil air axis can also be used certainly
It holds, 5 periphery of front rotary shaft is set with preceding foil air bearing 4, and preceding foil air bearing 4 is located at receded disk impeller 3 and protection axle sleeve 6
Between.8 periphery of shaft is provided with baffle afterwards, and the installed in front of baffle has radical-thrust to combine foil air bearing 9, after baffle
Side is equipped with thrust foil air bearing 10.Also the installation site of bearing, the protection model in the present invention can according to circumstances be adjusted
Within enclosing.
The carrying of radial load is realized by preceding foil air bearing 4 and radical-thrust joint foil air bearing 9, it is rear to turn
The baffle of axis 8 combines the synergy of foil air bearing 9 and thrust foil air bearing 10 as thrust face in radical-thrust
Carrying of the lower realization to axial load.Devise thrust face structure, axial load can be born, can also reduce thrust face relative to
The processing technology difficulty of shaft centerline verticality.
5 hollow setting of front rotary shaft on the basis of the magnet rotor provided in above-mentioned each specific embodiment, and in front rotary shaft 5
Portion is provided with front mounting plate, and receded disk impeller 3 is installed on front mounting plate by impeller pull bar 1 and impeller locking nut 2；Shaft afterwards
8 hollow settings, and rear shaft 8 is internally provided with rear installing plate, cooling fan 11 passes through fan pull rod 12 and fan locking nut
13 are installed on rear installing plate.Installing plate in front rotary shaft 5 connect receded disk impeller by impeller pull bar 1 with impeller locking nut 2
3, i.e. impeller pull bar 1 is located at the front end inside front rotary shaft 5, and one end connects the installing plate in front rotary shaft 5, other end connection centrifugation
Formula impeller 3 is locked by impeller locking nut 2, and delivers torque to receded disk impeller by the end face friction between them
3, it does work so as to fulfill receded disk impeller 3 to air.Thread rotary orientation between receded disk impeller 3 and impeller pull bar 1 should be able to be kept away
The wriggling for exempting to generate in the case where high speed inertia force acts on loosens, and cooling fan 11 is similarly.Front rotary shaft 5, rear shaft 8 use as much as possible
Hollow-type structure compensates for the low deficiency of air bearing bearing capacity to mitigate shaft quality.Shaft 8 is using forging after simultaneously
Technique, to improve stock utilization.
Specifically manufacturing process is：
Step 1：
Prepare and make each parts, wherein, the permanent magnet 7 of piecemeal is pasted onto in the mounting groove of front rotary shaft 5；Front rotary shaft 5
Hollow-type structure is fabricated to rear shaft 8；It processes each component and meets installation requirement, make leaf can be installed successively on front rotary shaft 5
Wheel lock strains at bar 2, receded disk impeller 3 and impeller locking nut 1；Make to be mounted with cooling fan 11, wind in rear shaft 8 successively
Fan pull rod 12 and fan locking nut 13.
Step 2：
Protection axle sleeve 6 is sleeved in front rotary shaft 4, permanent magnet 7 and rear shaft 8；Protect axle sleeve 6 and permanent magnet 7, front rotary shaft
Connection mode between 5 and rear shaft 8 is interference fit；
Preceding foil air bearing 4 is mounted on 5 front end of front rotary shaft；Radical-thrust is combined into foil air bearing 9 and thrust
Foil air bearing 10 is mounted on rear 8 rear end of shaft；
Cooling fan 11, fan pull rod 12 and fan locking nut 13 are sequentially arranged to the rear end of rear shaft 8, make cooling
Fan 11 is connected as a single entity by fan pull rod 12 and rear shaft 8, and is passed through fan locking nut 13 and locked；
Impeller lock is strained at into the front end that bar 2, receded disk impeller 3 and impeller locking nut 1 be sequentially arranged at front rotary shaft 5, is made
Receded disk impeller 3 is connected as a single entity by impeller pull bar 2 and front rotary shaft 5, and is passed through impeller locking nut 1 and locked.
In addition to above-mentioned magnet rotor, specific embodiment of the invention also provides a kind of high speed for including above-mentioned magnet rotor
Air blower, refer to the prior art for the structure of other each sections of the high-speed blower, repeats no more herein.
Specifically, above-mentioned magnet rotor is suitable for the direct-driven high-speed motor of horizontal air blower.
High-speed blower provided by the present invention and its magnet rotor are described in detail above.It is used herein
Specific case is expounded the principle of the present invention and embodiment, and the explanation of above example is only intended to help to understand this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, this hair is not being departed from
Under the premise of bright principle, can also to the present invention some improvement and modification can also be carried out, these improvement and modification also fall into power of the present invention
In the protection domain of profit requirement.
Claims (10)
1. a kind of magnet rotor of high-speed blower, which is characterized in that including be coaxially disposed and rotate synchronously front rotary shaft (5),
Permanent magnet (7) and rear shaft (8), the permanent magnet (7) include multiple tile type magnets, along the front rotary shaft (5) axial direction and
Circumferential direction is arranged in order the peripheral surface for being installed on the front rotary shaft (5) rear end, the front rotary shaft (5) and the rear shaft (8)
Outer to be set with bearing, the front end of the front rotary shaft (5) is equipped with receded disk impeller (3), the rear end installation of the rear shaft (8)
There is cooling fan (11).
2. magnet rotor according to claim 1, which is characterized in that be set with protection axle sleeve outside the permanent magnet (7)
(6), and the both ends of the protection axle sleeve (6) are set with before the rear end of the front rotary shaft (5) and the rear shaft (8)
End, and the protection axle sleeve (6) is interference fitted respectively with the permanent magnet (7), the front rotary shaft (5) and the rear shaft (8).
3. magnet rotor according to claim 2, which is characterized in that front rotary shaft (5) rear end is provided with around described
The annular mounting groove of front rotary shaft (5) axis, the permanent magnet (7) are installed in the annular mounting groove.
4. magnet rotor according to claim 3, which is characterized in that multiple tile type magnets are along the front rotary shaft
(5) axial and circumferential direction, which is arranged in order, to be installed in the mounting groove.
5. magnet rotor according to claim 4, which is characterized in that be provided with the first limit in the middle part of the front rotary shaft (5)
Position step, it is described after the front end of shaft (8) be provided with the second limited step, the both ends of the protection axle sleeve (6) respectively with it is described
First limited step and second limited step offset, and the front rotary shaft (5) after installation is complete, it is described after shaft (8) and
The periphery of the protection axle sleeve (6), which is located at, is same as periphery.
6. magnet rotor according to claim 5, which is characterized in that paillon is empty before front rotary shaft (5) periphery is set with
Gas bearing (4), the preceding foil air bearing (4) is between the receded disk impeller (3) and the protection axle sleeve (6).
7. magnet rotor according to claim 6, which is characterized in that shaft (8) periphery is provided with baffle after described, described
The installed in front of baffle has radical-thrust to combine foil air bearing (9), and thrust foil air is equipped on rear side of the baffle
Bearing (10).
8. magnet rotor according to claim 1, which is characterized in that the bearing is pressure-feed air bearing, foil dynamical pressure
Air axis or rigid bearing shell self-acting air bearing.
9. according to the magnet rotor described in claim 1 to 8 any one, which is characterized in that the front rotary shaft (5) is hollow to be set
It puts, and the front rotary shaft (5) is internally provided with front mounting plate, the receded disk impeller (3) passes through impeller pull bar (1) and impeller lock
Tight nut (2) is installed on the front mounting plate；Shaft (8) hollow setting after described, and it is described after after shaft (8) is internally provided with
Installing plate, the cooling fan (11) are installed on the rear installing plate by fan pull rod (12) and fan locking nut (13).
10. a kind of high-speed blower, including rack and it is installed on the magnet rotor of the rack, which is characterized in that the magnetic
Property rotor is specially the magnet rotor described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432531.8A CN108180165A (en) | 2017-12-26 | 2017-12-26 | High-speed blower and its magnet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432531.8A CN108180165A (en) | 2017-12-26 | 2017-12-26 | High-speed blower and its magnet rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180165A true CN108180165A (en) | 2018-06-19 |
Family
ID=62547127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711432531.8A Pending CN108180165A (en) | 2017-12-26 | 2017-12-26 | High-speed blower and its magnet rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180165A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439847A (en) * | 2019-08-30 | 2019-11-12 | 广州市昊志机电股份有限公司 | Centrifugal compressor shafting structure and centrifugal compressor |
| WO2023273065A1 (en) * | 2021-06-28 | 2023-01-05 | 鑫磊压缩机股份有限公司 | Air suspension blower having rear-mounted thrust bearing |
| RU222591U1 (en) * | 2021-06-28 | 2024-01-11 | Синлэй Компрессор Ко., Лтд | AIR SUSPENSION FAN WITH REAR-MOUNTED THRUST BEARING |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040005228A1 (en) * | 2002-07-02 | 2004-01-08 | R & D Dynamics Corporation | Motor driven centrifugal compressor/blower |
| CN106300737A (en) * | 2016-09-22 | 2017-01-04 | 北京航空航天大学 | A kind of magnetic-suspension high-speed rotor structure for permanent magnet motor |
| CN206487650U (en) * | 2017-01-22 | 2017-09-12 | 中国工程物理研究院机械制造工艺研究所 | The cfentrifugal blower of inner air cooling is realized using direct-connected high-speed permanent magnet motor |
-
2017
- 2017-12-26 CN CN201711432531.8A patent/CN108180165A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040005228A1 (en) * | 2002-07-02 | 2004-01-08 | R & D Dynamics Corporation | Motor driven centrifugal compressor/blower |
| CN106300737A (en) * | 2016-09-22 | 2017-01-04 | 北京航空航天大学 | A kind of magnetic-suspension high-speed rotor structure for permanent magnet motor |
| CN206487650U (en) * | 2017-01-22 | 2017-09-12 | 中国工程物理研究院机械制造工艺研究所 | The cfentrifugal blower of inner air cooling is realized using direct-connected high-speed permanent magnet motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439847A (en) * | 2019-08-30 | 2019-11-12 | 广州市昊志机电股份有限公司 | Centrifugal compressor shafting structure and centrifugal compressor |
| WO2023273065A1 (en) * | 2021-06-28 | 2023-01-05 | 鑫磊压缩机股份有限公司 | Air suspension blower having rear-mounted thrust bearing |
| RU222591U1 (en) * | 2021-06-28 | 2024-01-11 | Синлэй Компрессор Ко., Лтд | AIR SUSPENSION FAN WITH REAR-MOUNTED THRUST BEARING |
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Application publication date: 20180619 |