CN104995410A - Centrifugal electric pump for suction of aeriform fluids - Google Patents
Centrifugal electric pump for suction of aeriform fluids Download PDFInfo
- Publication number
- CN104995410A CN104995410A CN201480006080.XA CN201480006080A CN104995410A CN 104995410 A CN104995410 A CN 104995410A CN 201480006080 A CN201480006080 A CN 201480006080A CN 104995410 A CN104995410 A CN 104995410A
- Authority
- CN
- China
- Prior art keywords
- electric pump
- rotor
- stator
- centrifugal electric
- motor
- 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
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
- H02K23/04—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/40—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the arrangement of the magnet circuits
- H02K23/44—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the arrangement of the magnet circuits having movable, e.g. turnable, iron parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- External Artificial Organs (AREA)
- Centrifugal Separators (AREA)
Abstract
The present invention relates to the field of fluid machines. In particular, the present invention concerns a centrifugal electric pump (1) for suction of aeriform fluids comprising: - an electric motor (2) provided with a rotating shaft (3); - a suction body (4) provided with an intake (5) for the aeriform fluid and with at least one exhaust port (6); - at least one fan (8), fitted onto said shaft (3) and driven in movement by said motor (2), adapted to draw in a flow of air from said intake (5), spin it and discharge it outside said suction body (4) through said at least one exhaust port (6), wherein said electric motor (2) comprises: - a rotor with windings (9); - a stator (10) adapted to create a magnetic field inside which said rotor (9) rotates, and wherein said stator (10) is of the type with permanent magnets and said rotor (9) rotates at a high number of revolutions.
Description
Technical field
The present invention relates to fluid-working machine field.
Especially, the present invention relates to the centrifugal electric pump of draw gas jet, be particularly suitable for for the vacuum pump in vacuum dust collector and floor cleaning machine, for coming clean surface by drawing the air comprising dust or liquid, for family and industrial and professional environment.
Background technique
Because the rotating speed of these electric pumps is very high, they are commercial is defined as " turbo machine ", although in fact they are Work machines.In fact, revolution is considerably beyond 3, and 000 rpm (rpm), reaches 7,000-8,000rpm and more than.
The centrifugal electric pump for draw gas jet of traditional type mainly comprises the motor and suction pump with high revolution, and this suction pump provides the suction port for imbitition and the floss hole for the identical liquid that discharges the pump housing belonging to identical.In internal chamber in described suction body, the flowing of liquid is contained in impeller wherein by least one or fan causes.
In simpler and cheap vacuum cleaner, usually use direct current (through-flow) motor, after filtering in motor, the hot gas carrying full fine dust is blown motor with cooled.
Also be used as in the vacuum cleaner of wet vacuum cleaner and floor cleaning machine, the motor of the technology that is necessary that use has " bypass ", wherein aspirates the pump housing and is separated completely with this motor.In this latter event, carry and completely suck the air of dust or any liquid for cleaning, do not contact with between motor.Motor can by direct current or Alternating Current Power Supply, and this motor is primarily of stator and outermost and fixing part and the rotor composition that rotates wherein.
Stator is suitable for producing magnetic field in the application of turbo machine and electric pump, and it is made up of copper coil usually, and electric current flows through this copper coil.
Especially, traditional stator is formed by lamination, and this lamination is formed by si fe alloy or solid steel, and construct to limit groove, copper coil is wrapped in around groove.By covering special insulating paper, laminated core and the described coil insulation of groove.
Equally, the rotor of usual type has winding (windings), and this winding cylindrically to be formed by ferromagnetic, thus has a series of groove axially arranged, and places the winding limiting magnetic circuit or coil in groove.Described winding utilizes and is called that the equipment of commutator or slip ring (or Pacinotti ring) is interconnected.
Described commutator also as the rotary switch with sliding contact, and is suitable for the electric current between switching coil, thus changes the interaction in the magnetic field produced with stator.
During rotor rotates, described winding contacts with brush, provides current to motor by brush, and rotates the torque produced and the current in proportion flowing through rotor windings.
Structure needs these motors for centrifugal electric pump and turbo machine of high power and high rotor revolution very complicated, and it needs a lot of work, therefore very expensive.
In addition, the requirement of machine that the motor of these types is installed to according to them is designed to special: each model is custom design and manufacture, limits accurate groove number and coil, and coordinates the number of turn of rotor and the corresponding number of turn of stator.
Summary of the invention
The object of the invention is to overcome these restrictions, produce the centrifugal electric pump for draw gas jet with bypass type motor, this motor has high revolution, and this electric pump efficiency is very high and can easily, rapidly and at low cost produce simultaneously.
Another object of the present invention is to produce the electric pump being equipped with the motor easily changing power, thus guarantees that electric pump has performance widely.
Utilize the centrifugal electric pump being used for draw gas jet to realize these objects, this centrifugal electric pump being used for draw gas jet comprises:
-provide the bypass motor of rotating shaft;
-provide for gas jet suction port and belong at least one floss hole of identical suction body;
-at least one fan, installs on the shaft, and is driven by described motor movement, is suitable for sucking air stream by suction port, makes sky flow rotation and is given off described suction body outside by least one floss hole described.
Wherein said motor comprises:
-there is the rotor of winding;
-being suitable for the stator producing magnetic field, described rotor rotates in magnetic field,
It is characterized in that described stator is permanent magnetism type, and described rotor rotates with high revolution.
Especially, described rotor rotates with the revolution higher than 7,000-8,000rpm.
According to first embodiment of the invention, described stator comprises the hollow cylinder be fabricated from iron, and arranges two permanent magnets with opposite polarity, be suitable for producing magnetic field in described hollow cylinder in this hollow cylinder inside.
Advantageously, described permanent magnet is semi-cylindrical form haply, and described stator comprises spring sheet, is arranged on described hollow cylinder inner, is suitable for described permanent magnet to be limited to appropriate location.
According to another embodiment of the invention, the described rotor with winding comprises can the in parallel or interconnective multiple winding of serial fashion.
In certain preferred embodiment of the present invention, described stator comprises the 3rd permanent magnet, is arranged on described hollow cylinder external body, and its magnetic field is suitable for the magnetic field interaction produced with two internal magnets, thus changes the revolution of described rotor.
Especially, relative to the setting of two internal magnets, the position of described 3rd magnet on described hollow cylinder external surface is suitable for revising the magnetic field that stator produces, thus revises the interaction in the magnetic field that itself and rotor produce, and determines higher or lower rotational speed.
Advantageously, described motor comprises the device of the position for adjusting described 3rd magnet around described hollow cylinder.
In preferred embodiment of the present invention, described regulating device can be accessed from described outside motor.
Advantage of the present invention is as follows:
Major advantage is the miniaturization of simple structure and motor, and especially, the stator of electric pump: a lot of element need design, manufacturing and install and copper cash winding no longer need.The magnet placing two opposite polarities simply in hollow cylinder inside forms stator, and then rotor freely can be placed in hollow cylinder.
For electric pump MANUFACTURER, this simple structure can be regarded as the significantly saving of cost, and utilizes specific fan to promote cooling motor, and this is common on these bypass motor types.
Due to the flexibility that the existence of the 3rd magnet provides, can meet wide in range power requirements according to the present invention, the motor with stator is assembled on electric pump, and do not need the change making essence to guarantee the high revolution required for application-specific, wherein this stator has permanent magnet.
Accompanying drawing explanation
Under providing the description of the preferred embodiments of the present invention and the help of accompanying drawing by the example of indefiniteness hereinafter, these and other advantage will clearly, wherein:
Fig. 1 shows the viewgraph of cross-section according to the centrifugal electric pump for draw gas jet of the present invention;
Fig. 2-4 respectively illustrates for the integral shaft side view with the motor of permanent magnet of centrifugal electric pump according to the present invention, the axis side view in longitudinal section and top view direction.
The integral shaft that Fig. 5 and Fig. 6 respectively illustrates motor stator in Fig. 2 surveys view and axial axis side view;
Fig. 7 shows the axis side view with the motor of permanent magnet according to possible embodiment of the present invention;
Fig. 8 shows the top view of the magnetic intensity produced about the stator in Fig. 7.
Embodiment
With reference to figure 1, show the centrifugal electric pump 1 for draw gas jet, it is assembled with the bypass type motor 2 with permanent magnet according to a preferred embodiment of the invention.
Described electric pump 1 is formed by the motor 2 providing live axle 3, suction body 4 and one or more fans 8 of being suitable for moving air stream in fact.
In the illustrated embodiment, described suction body 4 is cylindrical, and comprises the circular base of the suction port 5 providing the center of being placed on, and provides the side surface of multiple floss hole 6, is suitable for discharging the air stream sucked, and does not need by described motor 2.
In fact described body 4 is closed by covering 7 at top, and lid 7 is also used as the pedestal of described motor 2.
Described fan 8 is assemblied on described live axle 3 and by the motion of described motor 2 and drives.
With particular reference to Fig. 2-4, there is illustrated the details of the motor 2 with permanent magnet be assembled to according to the electric pump 1 in figure of the present invention.
Described motor 2 mainly comprises:
-there is the rotor of winding 9, be suitable for running with high revolution, at least 7,000-8,000rpm;
-there is the stator 10 of permanent magnet type, be suitable for producing magnetic field, described rotor 9 rotates in this magnetic field.
The air gap of a few tenths of millimeter is had to rotate freely to allow rotor 9 between stator 10 and rotor 9.
Rotor 9 is formed by the laminated core 16 being in fact annular, has the endoporus passed through for live axle 3, and is called the outer channel 17 of rotor, for accommodating rotor windings.
In the illustrated embodiment, wherein motor 2 can open hourly velocity at pump intake can up to 15,300rpm, and close hourly velocity at pump intake can up to 18,000rpm, rotor windings is formed by 24 copper inductor coils 14.
The curretn sink utilizing the stator 9 with permanent magnet to replace the increase that traditional stator causes compensates advantageous by the number of turn of each coil 14 of amendment rotor 9 inside.
Such as, in the above example, each coil 14 comprises 6 circles.
With particular reference to Fig. 5 and Fig. 6, there is illustrated the stator 10 with permanent magnet be included in according in the motor 2 of electric pump 1 of the present invention.
Said stator 10 comprises the hollow cylinder 11 be fabricated from iron, and carries two permanent magnet 12a and 12b that assembling has opposite polarity therein, is suitable for producing magnetic field in described hollow cylinder 11 inside.
Described permanent magnet 12a and 12b is in fact semi-cylindrical, and is supported by the inwall of described hollow cylinder 11 and be squeezed on this inwall by the spring sheet 13 be fixed on identical cylindrical body.
As shown in Figure 7 and Figure 8, in order to advantageously change the magnetic field produced by stator 10, thus change revolution and the power of motor 2, the 3rd permanent magnet 15 can be provided on described stator 10.
It is outside that described 3rd magnet 15 is arranged on hollow cylinder 11, but its magnetic field is suitable for the magnetic field interaction that produces with two magnet 12a and 12b of hollow cylinder 11 inside, thus change the revolution of described rotor 9.
Especially, the position of described 3rd magnet 15 residing for described hollow cylinder 11 outer surface, relative to setting and the polarity of two internal magnets 12a and 12b, have modified the interaction between magnetic field and the magnetic field of described cylindrical body 11 inside produced by described 3rd magnet 15.
Such as, as what can see in schematic diagram in fig. 8, if the 3rd magnet 15 is arranged on the outside of cylindrical body 11, so the surface with negative polarity of the 3rd magnet 15 is in the face of having the surface of the internal magnets 12b of positive polarity, and the total magnetic intensity of stator 10 will increase.Vice versa, if be arranged on the negative surface of negative surface in the face of internal magnets 12a of the 3rd magnet 15 of the outside of cylindrical body 11, so the total magnetic intensity of stator 10 will reduce.
Therefore, the described position of 3rd magnet 15 on the outer surface of cylindrical body 11 is important, and advantageously can easily regulate with the power requirements of motor 2 and change as required.
In this respect, (not shown) in possible embodiment of the present invention, described motor 2 can comprise can from the specific controlling device of motor 2 external reference, arrange with the position changed around the 3rd magnet 15 of described cylindrical body 11, thus allow to regulate the rotational speed of rotor 9 and the power of motor 2, and do not need the action taking replacement element.
The operation according to motor 2 of the present invention being positioned at centrifugal electric pump 1 inside is below described.
Electric current is by being positioned at the winding 14 on the circle on rotor 9.This winding be made up of copper cash generates an electromagnetic field.
Therefore the electromagnetic field produced is immersed in another magnetic field, the feature in the magnetic field produced by stator 10 be two extremely to the existence of i.e. permanent magnet 12a and 12b.
Along with the magnetic field of the magnetic field trend alignment stator 10 of rotor 9, rotor 9 starts to rotate by electromagnetic induction.
During rotation, the electric current between the coil 14 of sliding contact switch Switch Rotor 9, makes the magnetic field of stator 10 and the magnetic field complete matching never of rotor 9, thus obtains continuous print rotation.
In the embodiment that Fig. 7 and Fig. 8 illustrates, the position of the 3rd magnet 15 may be revised continuously according to the decision of user, thus easily regulate the rotational speed of rotor 9.
Naturally, when not deviating from scope of the present invention, the personnel that related domain has an ordinary skill can change the number of turn of the permanent magnet quantity of stator, the quantity of groove and the quantity of rotor coil and each coil, and also can utilize the fluid-working machine of other type of motor operation, and multistage fluid-working machine.
Claims (10)
1., for the centrifugal electric pump (1) of draw gas jet, comprising:
-bypass type motor (2), provides rotating shaft (3);
-suction body (4), provide for gas jet suction port (5) and belong at least one floss hole (6) of identical suction body (4);
-at least one fan (8), be arranged on described axle (3) go up and driven by the motion of described motor (2), described fan (8) is suitable for sucking air stream from described suction port (5), empty flow rotation is also given off described suction body (4) outside by described at least one floss hole (6)
Wherein, described motor (2) comprising:
-there is the rotor of winding (9);
-stator (10), is suitable for the magnetic field that generation makes described rotor (9) rotate therein,
It is characterized in that, described stator (10) is the type of permanent magnet, and described rotor (9) rotates with high rotating speed.
2. centrifugal electric pump according to claim 1 (1), is characterized in that, described rotor (9) rotates with the revolution higher than 7,000-8,000rpm.
3. centrifugal electric pump according to claim 1 (1), it is characterized in that, described stator (10) comprises the hollow cylinder (11) be fabricated from iron, be equipped with two permanent magnet (12a of opposite polarity therein, 12b), be suitable for producing magnetic field in described hollow cylinder (11) inside.
4. centrifugal electric pump according to claim 3 (1), is characterized in that, described permanent magnet (12a, 12b) is roughly semi-cylindrical.
5. centrifugal electric pump according to claim 4 (1), it is characterized in that, described stator (10) comprises spring sheet (13), is assemblied in described hollow cylinder (11) inner, be suitable for described permanent magnet (12a, 12b) maintenance.
6. centrifugal electric pump according to claim 1 (1), is characterized in that, the described rotor (9) with winding comprise multiple can the in parallel or interconnective coil of serial fashion (14).
7. centrifugal electric pump according to claim 1 (1), it is characterized in that, described stator (10) comprises the 3rd permanent magnet (15), be arranged on described hollow cylinder (11) outside, the magnetic field of described 3rd permanent magnet (15) is suitable for and two internal magnets (12a, magnetic field interaction 12b) produced, thus the revolution changing described rotor (9).
8. centrifugal electric pump according to claim 7 (1), it is characterized in that, described 3rd position of magnet (15) on described hollow cylinder (11) is relative to two internal magnets (12a, setting 12b) is suitable for changing the magnetic field produced by stator (10), thus change the interaction in the magnetic field that itself and rotor (9) produce, to determine higher or lower rotating speed.
9. centrifugal electric pump according to claim 8 (1), it is characterized in that, described motor (2) comprises for the device of adjustment in described 3rd magnet (15) position of the external surface peripheral of described hollow cylinder (11).
10. centrifugal electric pump according to claim 9 (1), is characterized in that, can from the device for adjusting described in described motor (2) external reference.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000007A ITCR20130007A1 (en) | 2013-02-21 | 2013-02-21 | CENTRIFUGAL PUMP FOR ASPIRATION OF AERIFORMS FLUIDS |
| ITCR2013A000007 | 2013-02-21 | ||
| PCT/IT2014/000044 WO2014128740A2 (en) | 2013-02-21 | 2014-02-20 | Centrifugal electric pump for suction of aeriform fluids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104995410A true CN104995410A (en) | 2015-10-21 |
Family
ID=48048142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480006080.XA Pending CN104995410A (en) | 2013-02-21 | 2014-02-20 | Centrifugal electric pump for suction of aeriform fluids |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150361986A1 (en) |
| EP (1) | EP2959168A2 (en) |
| CN (1) | CN104995410A (en) |
| IT (1) | ITCR20130007A1 (en) |
| WO (1) | WO2014128740A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811605A (en) * | 2016-05-13 | 2016-07-27 | 东莞国亮电机有限公司 | Locating spring plate and stator magnetic steel fixing structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096167A (en) * | 1983-10-28 | 1985-05-29 | Matsushita Electric Works Ltd | Dc motor with speed regulating mechanism |
| US4574214A (en) * | 1981-09-24 | 1986-03-04 | Fujisaki Kyonori | Electric rotary device of permanent magnet type |
| US4636107A (en) * | 1982-03-30 | 1987-01-13 | Plus Manufacturing Co., Inc. | Reformed in place resilient retention springs |
| US4669952A (en) * | 1985-05-17 | 1987-06-02 | Ametek, Inc. | Quiet by-pass vacuum motor |
| CN1271061A (en) * | 1999-04-20 | 2000-10-25 | 三洋电机株式会社 | Motor wind blower and motor dust cleaner thereof |
| JP2002027707A (en) * | 2000-07-03 | 2002-01-25 | Mitsubishi Electric Corp | Electric blower |
| JP2002064950A (en) * | 2000-08-18 | 2002-02-28 | Mitsubishi Electric Corp | Motor, manufacturing method therefor, and electric vacuum cleaner |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995691A (en) * | 1963-07-10 | 1965-06-23 | Smith & Sons Ltd S | Improvements in or relating to permanent magnet stator direct current motors |
| DE2834099C2 (en) * | 1978-08-03 | 1987-03-19 | Siemens AG, 1000 Berlin und 8000 München | Permanently magnetically excited DC micromotor for driving a connectable dental hand instrument |
| JPS56159598A (en) * | 1980-05-14 | 1981-12-08 | Hitachi Ltd | Brushless motor fan |
| US4845398A (en) * | 1988-03-25 | 1989-07-04 | Cesare Dominic V De | Armature stator configuration for compound interaction/induction electric rotating machine |
| US7186101B2 (en) * | 1998-07-31 | 2007-03-06 | The Texas A&M University System | Gerotor apparatus for a quasi-isothermal Brayton cycle Engine |
| US6951147B2 (en) * | 1999-03-10 | 2005-10-04 | Mesosystems Technology, Inc. | Optimizing rotary impact collectors |
| JP2001280249A (en) * | 2000-03-31 | 2001-10-10 | Matsushita Electric Ind Co Ltd | Compressor and motor |
| JP2002371992A (en) * | 2000-12-20 | 2002-12-26 | Denso Corp | Fluid pump |
| US7687953B2 (en) * | 2005-04-21 | 2010-03-30 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Totally integrated engine cooling module for D.C. motors employing fan hub and shroud hub as motor covers |
| DE102005046715B4 (en) * | 2005-09-29 | 2007-04-26 | J. Eberspächer GmbH & Co. KG | Side channel blower, especially for a vehicle heater |
| JP4604064B2 (en) * | 2007-06-19 | 2010-12-22 | 日立オートモティブシステムズ株式会社 | Vehicle alternator and rotating electrical machine |
| EP2061141B1 (en) * | 2007-11-19 | 2010-05-12 | Siemens Aktiengesellschaft | Electric machine with magnetic brake attached to the rotor |
| US8432074B2 (en) * | 2010-08-23 | 2013-04-30 | Remy Technologies, L.L.C. | Disk style centrifugal pump |
-
2013
- 2013-02-21 IT IT000007A patent/ITCR20130007A1/en unknown
-
2014
- 2014-02-20 US US14/762,870 patent/US20150361986A1/en not_active Abandoned
- 2014-02-20 WO PCT/IT2014/000044 patent/WO2014128740A2/en active Application Filing
- 2014-02-20 EP EP14723499.1A patent/EP2959168A2/en not_active Withdrawn
- 2014-02-20 CN CN201480006080.XA patent/CN104995410A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574214A (en) * | 1981-09-24 | 1986-03-04 | Fujisaki Kyonori | Electric rotary device of permanent magnet type |
| US4636107A (en) * | 1982-03-30 | 1987-01-13 | Plus Manufacturing Co., Inc. | Reformed in place resilient retention springs |
| JPS6096167A (en) * | 1983-10-28 | 1985-05-29 | Matsushita Electric Works Ltd | Dc motor with speed regulating mechanism |
| US4669952A (en) * | 1985-05-17 | 1987-06-02 | Ametek, Inc. | Quiet by-pass vacuum motor |
| CN1271061A (en) * | 1999-04-20 | 2000-10-25 | 三洋电机株式会社 | Motor wind blower and motor dust cleaner thereof |
| JP2002027707A (en) * | 2000-07-03 | 2002-01-25 | Mitsubishi Electric Corp | Electric blower |
| JP2002064950A (en) * | 2000-08-18 | 2002-02-28 | Mitsubishi Electric Corp | Motor, manufacturing method therefor, and electric vacuum cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811605A (en) * | 2016-05-13 | 2016-07-27 | 东莞国亮电机有限公司 | Locating spring plate and stator magnetic steel fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2959168A2 (en) | 2015-12-30 |
| US20150361986A1 (en) | 2015-12-17 |
| WO2014128740A2 (en) | 2014-08-28 |
| WO2014128740A3 (en) | 2014-10-30 |
| ITCR20130007A1 (en) | 2014-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6343313B2 (en) | Peripheral drive centrifugal blower | |
| US7834501B2 (en) | Bearing assembly | |
| US7157872B1 (en) | Ceiling fan with outer-rotor DC brushless motor | |
| US20170353095A1 (en) | Driving Device And Bladeless Fan Utilizing the Same | |
| CN106208582B (en) | Motor, pump and cleaning device | |
| KR20170048414A (en) | Coreless rotating electric machine provided with stator including cylindrical coil and cooling method for same | |
| CN1466427A (en) | unpowered compressor | |
| JP2017169439A (en) | Medical pump | |
| JP2013241907A (en) | Vacuum pump | |
| US5288216A (en) | Fan unit for generating gas streams | |
| CN103248186A (en) | Power generating motor | |
| JP2018046721A (en) | Electric blower | |
| US3231176A (en) | Centrifugal blower assembly with combined rotor and blower wheel | |
| KR20130034267A (en) | Switched reluctance motor | |
| JP2008245362A (en) | Permanent magnet motor and washer | |
| CN104995410A (en) | Centrifugal electric pump for suction of aeriform fluids | |
| EP2814142A3 (en) | Electric motor apparatus and vacuum cleaner having the same | |
| US20170016449A1 (en) | Axial-flux induction motor pump | |
| CN105703591B (en) | Single-phase motor and pump using same | |
| CN102654128B (en) | Magnetic-suspension underwater electric pump | |
| WO2019037266A1 (en) | Hair dryer motor and hair dryer | |
| CN106921227A (en) | A kind of absence of commutator permanent magnet DC motor | |
| CN205622447U (en) | Adopt axial flux brushless motor's dust collector fan | |
| CN104467339B (en) | Linear vibration motor with gravity compensation function | |
| JPH04265493A (en) | Fan device for generating gas flow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |
|
| WD01 | Invention patent application deemed withdrawn after publication |