CN105846625B - A kind of blood pump dual redundant motor - Google Patents
A kind of blood pump dual redundant motor Download PDFInfo
- Publication number
- CN105846625B CN105846625B CN201610323592.XA CN201610323592A CN105846625B CN 105846625 B CN105846625 B CN 105846625B CN 201610323592 A CN201610323592 A CN 201610323592A CN 105846625 B CN105846625 B CN 105846625B
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- Prior art keywords
- blood pump
- dual redundant
- stator
- rotor
- spacer
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/182—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to stators axially facing the rotor, i.e. with axial or conical air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blood pump dual redundant motors, belong to motor field, blood pump dual redundant motor includes pump case, end cap positioned at the pump case both sides, it is fixed on the stator of the cover internal, central shaft inside pump case, and it is set in the rotor on the central shaft, two stators are symmetric about the rotor, the stator includes shell holder, spacer, iron core and multiple windings, multiple windings are embedded in the shell holder, the spacer is located at the side of multiple windings, it is handled the shell holder by embedding, the spacer and multiple windings are solidified as a whole, form flat structure, the iron core is detachably connected with the flat structure, the rotor is located between two spacers.Blood pump provided by the invention dual redundant motor, not only compact-sized, occupancy is small, and its stator winding fixation, is unlikely to deform, and has higher stability.
Description
Technical field
The present invention relates to motor field more particularly to a kind of blood pump dual redundant motors.
Background technology
A few days ago, some beneficial trials, larger raising have been done to the Multiple coil redundancy design aspect of brushless motor both at home and abroad
The stability and reliability of brushless motor.But the design of double remaining motors of certain fields is not yet ripe, such as：The human assistance heart
Dirty field.Human assistance heart is risen to the size of motor, weight, temperature and the performance indicators such as reliability of operation have stringent want
It asks, therefore to realize the Redundancy Design of the blood electric motor for pump in human assistance heart, and do not increase its volume, it is very difficult.
Chinese patent literature publication number CN102247628A discloses a kind of embedded type magnetic liquid suspension type centrifugal blood pump,
Including upper housing component, lower housing component and impeller assembly, impeller assembly is between upper housing component and lower housing component, institute
It includes upper shell, coil, stator core and upper end cover to state upper housing component, and coil and stator core are mounted in upper shell, on
Shell is fixedly connected with upper end cover, and lower housing component includes lower housing, coil, stator core, upper end cover, center shaft housing, the heart
Axis, the magnetostatic ring of magnetic suspension, gasket and pedestal, coil and stator core are mounted in lower housing, and lower housing is fixed with bottom end cover to be connected
It connects, center shaft housing and lower housing structure are integral.Coil in the motor of this structure due to not apparent support construction,
Under the magnetic force, it is vulnerable to stator core or other component is squeezed and deformed, so that centrifugal blood pump is steady
Qualitative and reliability is had a greatly reduced quality.Additionally it has been disclosed that magnet steel is sector structure on the outside of impeller in patent, occupied space is larger, makes
Obtain the low space utilization of impeller.
Invention content
In order to overcome the deficiencies of existing technologies, technical problem to be solved by the present invention lies in propose that it is double superfluous that a kind of blood pump is used
Remaining motor, not only compact-sized, occupancy is small, and its stator winding fixation, is unlikely to deform, and has higher stabilization
Property.
For this purpose, the present invention uses following technical scheme：
The present invention provides a kind of blood pump dual redundant motor, including pump case, positioned at the pump case both sides end cap,
It is fixed on the stator, the central shaft inside pump case and the rotor being set on the central shaft of the cover internal,
Two stators are symmetric about the rotor, the stator include shell holder, spacer, iron core and it is multiple around
Group, multiple windings are embedded in the shell holder, and the spacer is located at the side of multiple windings, at embedding
The shell holder, the spacer and multiple windings are solidified as a whole by reason, form flat structure, the iron core and institute
It states flat structure to be detachably connected, the rotor is located between two spacers.
In preferably technical solution of the invention, it is provided on the shell holder multiple compatible with the winding shape
Cavity, the winding are embedded in the cavity.
In preferably technical solution of the invention, the spacer is configured to the structure made of zirconia ceramics material.
In preferably technical solution of the invention, the central shaft includes axis pedestal, magnetostatic ring assemblies and nut, described
Screw rod is provided on axis pedestal, the screw rod is integrally formed with the axis pedestal, and the magnetostatic ring assemblies are fixed on screw rod, institute
The side that nut is located at the magnetostatic ring assemblies is stated, and is coordinated with the screw flight.
In preferably technical solution of the invention, the central shaft further includes shaft housing, and the axis pedestal includes the first knot
Conjunction portion and the second engaging portion, the screw rod are fixed on first engaging portion, and the shaft housing is socketed in first engaging portion
On, and with first engaging portion screw-thread fit, second engaging portion and the shell holder screw-thread fit.
In preferably technical solution of the invention, tapered shunting cap is provided at the top of the shaft housing.
In preferably technical solution of the invention, the rotor includes impeller, the dynamic magnet ring group on the inside of the impeller
Part, the magnet steel on the outside of the impeller and the sealing cover for being sealed to the dynamic magnetic ring component, the magnet steel.
In preferably technical solution of the invention, it is provided with annular protrusion on the sealing cover, is provided on the impeller
Annular groove, the annular protrusion are adapted with the annular groove.
In preferably technical solution of the invention, the blood pump dual redundant motor uses pitch to be arranged for 1 fractional-slot.
In preferably technical solution of the invention, the magnet steel is configured to special-shaped magnet steel, the abnormity magnet steel and the leaf
Wheel inner space is adapted.
In preferably technical solution of the invention, it is provided with pump intake in the middle part of the end cap above the pump case, institute
It states pump intake and the inner chamber body of the pump case is conducted.
Beneficial effects of the present invention are：
Blood pump provided by the invention dual redundant motor, two stator are symmetric about rotor, constitute dual redundant
Structure can effectively improve the stability of motor entirety, and when a stator breaks down, another stator can also continue work
Make.Stator is made of shell holder, spacer, iron core and multiple windings, and multiple windings are embedded in shell holder, by shell holder
Protection, be not susceptible to deform, and handle by embedding and shell holder, spacer and multiple windings be solidified as a whole, be formed flat
Flat-shaped structure so that the structural strength of stator entirety greatly improves, and this flat structure, the space occupied are smaller.Screw rod
It is integrally formed with axis pedestal, magnetostatic ring assemblies are fixed on screw rod, can effectively ensure the concentricity of screw rod and axis pedestal, indirectly
Ensure the concentricity of magnetostatic ring assemblies installation.
Description of the drawings
Fig. 1 is the sectional view for the blood pump dual redundant motor that the specific embodiment of the invention provides；
Fig. 2 is the structure chart for the first stator that the specific embodiment of the invention provides；
Fig. 3 is the structure chart for the second stator that the specific embodiment of the invention provides；
Fig. 4 is the structure chart for the central shaft that the specific embodiment of the invention provides；
Fig. 5 is the structure chart for the rotor that the specific embodiment of the invention provides；
Fig. 6 is the layout for the stator winding that the specific embodiment of the invention provides；
Fig. 7 is the layout for the rotor magnetic steel that the specific embodiment of the invention provides；
Fig. 8 is the Permanent-magnet bearing structural schematic diagram that the specific embodiment of the invention provides.
In figure：
1, pump case；21, first end cover；22, second end cover；31, the first stator；32, the second stator 32；4, central shaft；
5, rotor；6, pump intake；311, first shell holder；312, the first spacer；313, the first iron core；314, the first winding；321、
Second shell holder；322, the second spacer；323, the second iron core；324, the second winding；41, axis pedestal；42, magnetostatic ring assemblies；
43, nut；44, shaft housing；411, the first engaging portion；412, the second engaging portion；413, screw rod；441, tapered shunting cap；51, leaf
Wheel；52, magnetic ring component is moved；53, magnet steel；54, sealing cover；511, annular groove；541, annular protrusion.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As shown in Figure 1, a kind of blood pump dual redundant motor provided in the present embodiment one, is suitable for human assistance heart,
Blood pump dual redundant motor includes pump case 1, end cap, stator, central shaft 4 and rotor 5.End cap includes first end cover 21 and
Two end caps 22, first end cover 21, second end cover 22 are located at the both sides of pump case 1, are symmetric about pump case 1, and pass through
Laser welding process is fixedly connected with pump case 1.Stator includes the first stator 31 and the second stator 32, the first stator 31 and second
Stator 32 is fixed on the both sides of pump case 1 using screw threads for fastening mode.First stator 31 and the second stator 32 about rotor 5 in pair
Claim distribution, constitutes redundancy structure, when a stator in the first stator 31, the second stator 32 breaks down, another stator
It can also continue normal use, to ensure the work of blood pump dual redundant motor persistently, stable.Central shaft 4 is located at pump case 1
Middle part, rotor 5 are set on central shaft 4, and between central shaft 4 and rotor 5 there is certain gap namely central shaft 4 to be located at
The inside of rotor 5, but be not in contact with rotor 5, while there is repulsive force between central shaft 4 and rotor 5, to which rotor 5 is realized
Radial equilibrium.It is provided with pump intake 6,11 phase of inner chamber body of pump intake 6 and pump case 1 in the middle part of end cap above pump case 1
Conducting, rotor 5 integrates the function of rotation and impeller, the blood flowed into from pump intake 6 by rotor 5 effect, then from pump
Pump discharge outflow on shell 1, it can be seen that, blood pump provided by the invention is tied motor and blood pump with dual redundant motor well
It is combined, effectively reduces the volume of blood pump, be suitable for human assistance heart.
As shown in Fig. 2, the first stator 31 is fixed by screws in the side of pump case 1,31 stator of the first stator includes the
One shell holder 311, the first spacer 312, the first iron core 313 and multiple first windings 314.As shown in fig. 6, multiple first around
Group 314 is embedded in first shell holder 311, circular array distribution, and the shape of the first winding 314 is substantially in what tip was truncated
Sector is formed using self-adhesive enameled wire coiling, and the first spacer 312 is located at the side of multiple first windings 314, at embedding
First shell holder 311, the first spacer 312 and multiple first windings 314 are solidified as a whole by reason, form flat structure, the
One iron core 313 is detachably connected by screw and flat structure.As shown in figure 3, the second stator 32 is fixed by screws in pump
The other side of shell 1, the second stator 32 include second shell holder 321, the second spacer 322, the second iron core 323 and multiple the
Two windings 324.The connection relation of each building block in second stator 32 and the first stator 31 are substantially similar.Therefore, first is fixed
Son 31 is symmetrical about rotor 5 with the second stator 32, constitutes dual redundant structure, ensures the work that motor is permanent, stablizes.First
The shape of stator 31 and the second stator 32 is substantially also flat so that above-mentioned blood pump is very tight with the structure of dual redundant motor
It gathers, occupy little space.
First stator 31 and the second stator 32 the difference is that：The middle part of first shell holder 311 and second shell holder 321
Middle part shape, structure it is different, the middle through-hole of first shell holder 311 is adapted with the shape in 6 channel of pump intake, first shell
Holder 311 is socketed on pump intake 6.The middle through-hole of second shell holder 321 is adapted with the shape of central shaft 4, and and center
4 screw-thread fit of axis.
First stator 31 and the second stator 32 are placed in " mirror image ", when being passed through three in the first stator 31 and the/the second stator 32
When phase current, rotating excitation field is will produce, driving rotor 5 is rotated.First stator 31 is arranged in parallel with the second stator 32, composition
Redundancy structure ensures the stability of motor.First iron core 313, the second iron core 323 are a part for magnetic circuit, and effect is to carry
For magnetic field path.
Rotor 5 is between the first spacer 312 and the second spacer 322, in order to reduce the friction torque and electricity of rotor 5
Dash current when machine starts, the first spacer 312 are preferably made of zirconia ceramics material with the second spacer 322, oxygen
Changing zircon ceramic material has hardness high, is not susceptible to deform, friction coefficient it is small the features such as.
As shown in figure 4, further, central shaft 4 includes shaft housing 44, axis pedestal 41, magnetostatic ring assemblies 42 and nut
43, axis pedestal 41 includes the first engaging portion 411 and the second engaging portion 412, and the diameter of the first engaging portion 411 is less than the second engaging portion
412 diameter is provided with screw rod 413 on the first engaging portion 411, and magnetostatic ring assemblies 42 are made of multigroup magnetostatic ring, are socketed in
On screw rod 413, and magnetostatic ring assemblies 42, in the gap between shaft housing 44 and screw rod 413, the lower end of shaft housing 44 is socketed
On the first engaging portion 411, and with 411 screw-thread fit of the first engaging portion, the second engaging portion 412 and 321 screw thread of second shell holder
Cooperation.413 top of screw rod is provided with screw thread, with 43 screw-thread fit of nut, after nut 43 screws, plays and limits magnetostatic ring assemblies 42
Axial displacement effect, and ensure being detachably fixed for magnetostatic ring assemblies 42.It is further preferred that the first engaging portion 411,
Second engaging portion 412 and screw rod 413 are integrally formed, and integrated molding ensure that screw rod 413, the first engaging portion 411, second combine
412 three of portion has preferable concentricity, to indirectly so that the magnetostatic ring assemblies 42 on screw rod 413 are with preferable
Concentricity.
For the ease of being shunted to the blood flowed into from pump intake 6,44 top of shaft housing is provided with tapered shunting cap
441, the conical surface has certain radian.
As shown in figure 5, further, rotor 5 is for generating multipole axial magnetic field, with the first stator 31 and/second stator
The 32 rotating excitation field interactions generated, so as to cause the rotation of rotor 5.Rotor 5 includes impeller 51, dynamic magnetic ring component 52, magnetic
Steel 53 and sealing cover 54, impeller 51 are substantially in circular ring shape, and centre is equipped with through-hole, so that rotor 5 is socketed on central shaft 4, are moved
Magnetic ring component 52 is set to the inside of impeller 51, i.e., close to the side of through-hole, magnet steel 53 is set to 51 outside of impeller, i.e., far from through-hole
Side, sealing cover 54 are set to the bottom of impeller 51, for being sealed to dynamic magnetic ring component 52, magnet steel 53, prevent blood from flowing into
Into rotor 5, the normal use of dynamic magnetic ring component 52 and magnet steel 53 is influenced.
In order to enable sealing cover 54 is in assembling process, and it is easier for installation, it is further preferred that being set on sealing cover 54
Annular protrusion 541 is set, and annular groove 511 is set on impeller 51, annular protrusion 541 is adapted with annular groove 511, annular
Protrusion 541 can be plugged into annular groove 511, so that being positioned when the installation of sealing cover 54 more convenient.
As shown in Figure 6 and Figure 7, further, the first stator 31, be both provided with six groups of windings inside the second stator 32, be in
60 ° of circular array distribution, rotor 5 are internally provided with four groups of interlaced magnet steel of magnetic pole 53, are distributed in 90 ° of round permutations.
First stator 31, the second stator 32 the number of phases be 3, the first stator 31, the second stator 32 pitch be 1, pitch is that 1 can make
Winding is uniformly stacked without intersection, further to reduce the occupied space of stator, improves the space profit of blood pump dual redundant motor
With rate.In addition, due to magnet steel 53 quantity be four, the quantity of winding be six it is found that stator and rotor 5 be fractional-slot setting, this
Kind set-up mode can effectively weaken the loss of tooth-harmonic emf, improve the waveform of electromotive force.
As shown in fig. 7, in order to enable motor obtains maximum torque, it is further preferred that magnet steel 53 is configured to special-shaped magnetic
Steel, special-shaped magnet steel are adapted with 5 inner space of impeller, can make full use of the inner space of impeller 5, to not increase blood pump use
In the case of dual redundant motor overall dimensions so that motor torque is as big as possible.The cross section of special-shaped magnet steel by two sections of circular arcs and
Two sections of rectilinear(-al)s, using unsymmetric structure, why asymmetric substantially asymmetric sector is, is due to this structure energy
The inner space of impeller 5 is utilized well.
As shown in figure 8, the magnet ring that be provided with multigroup magnetic pole inside magnetostatic ring assemblies 42 and dynamic magnetic ring component 52 opposite, tool
Body, magnetostatic ring assemblies 42 include three groups of magnet rings, and upper and lower directions respectively has the magnet ring of a pair of of poles N upward, centre to have a pair of of poles S upward
Magnet ring, it includes three groups of magnet rings to move magnetic ring component 52 also, and upper and lower directions respectively has the magnet ring of a pair of of poles N upward, centre to have a pair of of poles S
Magnet ring upward.Above-mentioned magnet ring collectively constitutes repulsion type passive type magnetic suspension central shaft 4, when radial offset occurs for rotor 5,
Central shaft 4 will generate restoring force so that rotor 5 tends to balance in radial direction.And in the axial direction, during rotor 5 then passes through
The magnetic force, rotor gravity, liquid flow movable property of magnetic force, the magnet steel 53 in rotor 5 and stator that mandrel 4 is generated with rotor 5 are given birth to dynamic
Pressure collective effect, and rotor 5 is made to be in dynamic balancing in the axial direction.
In addition, blood pump provided by the invention is designed with dual redundant motor using position-sensor-free, it only need to be by detecting electricity
The physical quantitys such as voltage, electric current, the magnetic linkage of machine can calculate the location information of rotor, avoid using mechanical position sensing
Device is detected the position signal of motor.Occupy motor space since mechanical position sensor has, need lead-out wire etc.
Drawback, the blood pump designed using position-sensor-free is simpler with dual redundant electric machine structure, and repair is more convenient.
The present invention is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from the present invention's
In the case of spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.The present invention is not by this
The limitation of specific embodiment disclosed in place, other embodiments fallen into claims hereof belong to protection of the present invention
Range.
Claims (7)
1. a kind of blood pump dual redundant motor, including pump case (1), be located at the pump case (1) both sides end cap, be fixed on institute
The rotor for stating the stator of cover internal, being located at the internal central shaft (4) of pump case (1) and being set on the central shaft (4)
(5), it is characterised in that：
Two stators are symmetric about the rotor (5)；
The stator includes shell holder, spacer, iron core and multiple windings, and multiple windings are embedded in the shell holder
Interior, the spacer is located at the side of multiple windings, by embedding processing by the shell holder, the spacer and more
A winding is solidified as a whole, and forms flat structure, and the iron core is detachably connected with the flat structure；
The rotor (5) is located between two spacers；
Wherein, the spacer is configured to the structure made of zirconia ceramics material；
Further, the central shaft (4) includes axis pedestal (41), magnetostatic ring assemblies (42) and nut (43)；
Screw rod (413) is provided on the axis pedestal (41), the screw rod (413) is integrally formed with the axis pedestal (41)；
The magnetostatic ring assemblies (42) are fixed on screw rod (413)；
The nut (43) is located at the side of the magnetostatic ring assemblies (42), and with the screw rod (413) screw-thread fit；
Further, the central shaft (4) further includes shaft housing (44)；
The axis pedestal (41) includes the first engaging portion (411) and the second engaging portion (412)；
The screw rod (413) is fixed on first engaging portion (411)；
The shaft housing (44) is socketed on first engaging portion (411), and matches with the first engaging portion (411) screw thread
It closes；
Second engaging portion (412) and the shell holder screw-thread fit.
2. blood pump according to claim 1 dual redundant motor, it is characterised in that：
Multiple cavities compatible with the winding shape are provided on the shell holder, the winding is embedded in the cavity
It is interior.
3. blood pump according to claim 1 dual redundant motor, it is characterised in that：
It is provided with tapered shunting cap (441) at the top of the shaft housing (44).
4. blood pump according to claim 1 dual redundant motor, it is characterised in that：
The rotor (5) includes impeller (51), the dynamic magnetic ring component (52) being set on the inside of the impeller (51), is set to the impeller
(51) magnet steel (53) on the outside of and the sealing cover for being sealed to the dynamic magnetic ring component (52), the magnet steel (53)
(54)。
5. blood pump according to claim 4 dual redundant motor, it is characterised in that：
It is provided with annular protrusion (541) on the sealing cover (54)；
It is provided with annular groove (511) on the impeller (51)；
The annular protrusion (541) is adapted with the annular groove (511).
6. blood pump according to claim 4 dual redundant motor, it is characterised in that：
The magnet steel (53) is configured to special-shaped magnet steel, and the abnormity magnet steel is adapted with the impeller (5) inner space.
7. blood pump according to claim 1 dual redundant motor, it is characterised in that：
The blood pump dual redundant motor uses pitch to be arranged for 1 fractional-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323592.XA CN105846625B (en) | 2016-06-29 | 2016-06-29 | A kind of blood pump dual redundant motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323592.XA CN105846625B (en) | 2016-06-29 | 2016-06-29 | A kind of blood pump dual redundant motor |
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| Publication Number | Publication Date |
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| CN105846625A CN105846625A (en) | 2016-08-10 |
| CN105846625B true CN105846625B (en) | 2018-08-21 |
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| CN201610323592.XA Active CN105846625B (en) | 2016-06-29 | 2016-06-29 | A kind of blood pump dual redundant motor |
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| CN108667247A (en) * | 2018-06-06 | 2018-10-16 | 林峭 | A kind of bi-motor stacking motor and its cooking machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10191603A (en) * | 1996-12-25 | 1998-07-21 | Namiki Precision Jewel Co Ltd | Flat induction motor |
| CN102255463A (en) * | 2010-05-17 | 2011-11-23 | 北京天高智机技术开发公司 | Double-stator disc type brushless DC motor with permanent magnet bearing for artificial heart |
| CN102694444B (en) * | 2012-06-05 | 2014-02-12 | 江苏大学 | Positioning force complementary double-stator cylindrical linear motor |
| CN105245073B (en) * | 2015-11-16 | 2017-11-14 | 南京理工大学 | Stator permanent magnetic type double-salient-pole disc type electric machine |
| CN205792106U (en) * | 2016-06-29 | 2016-12-07 | 北京精密机电控制设备研究所 | A kind of blood pump dual redundant motor |
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Effective date of registration: 20200106 Address after: 300457 workshop b3-04, b3-05 and b3-06, No. 17, No. 80, Haiyun street, Binhai New Area, Tianjin Patentee after: Aerospace Tai Xin Technology Co., Ltd. Address before: 100076 Beijing City, Fengtai District Dahongmen South East Highland Road No. 1 Patentee before: Beijing Research Institute of Precise Mechatronic Controls |