CN113904499A - Novel magnetic suspension waste heat turbine generator - Google Patents

Novel magnetic suspension waste heat turbine generator Download PDF

Info

Publication number
CN113904499A
CN113904499A CN202111207211.9A CN202111207211A CN113904499A CN 113904499 A CN113904499 A CN 113904499A CN 202111207211 A CN202111207211 A CN 202111207211A CN 113904499 A CN113904499 A CN 113904499A
Authority
CN
China
Prior art keywords
magnetic suspension
stator
waste heat
rotor
turbine generator
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
Application number
CN202111207211.9A
Other languages
Chinese (zh)
Inventor
李静
陈军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xunzhijie Energy And Environmental Protection Co ltd
Original Assignee
Jiangsu Xunzhijie Energy And Environmental Protection Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Xunzhijie Energy And Environmental Protection Co ltd filed Critical Jiangsu Xunzhijie Energy And Environmental Protection Co ltd
Priority to CN202111207211.9A priority Critical patent/CN113904499A/en
Publication of CN113904499A publication Critical patent/CN113904499A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/09Structural association with bearings with magnetic bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24Casings; Casing parts, e.g. diaphragms, casing fastenings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for

Abstract

The invention discloses a novel magnetic suspension waste heat turbine generator which comprises a fan cover, a shell and an end cover and is characterized in that a turbine is arranged inside the fan cover, a permanent magnet motor ring, two magnetic suspension bearings and a rotating shaft are arranged inside the shell, a wiring end is arranged at the top of the end cover, each magnetic suspension bearing comprises a stator magnetic conduction ring, a rotor magnetic conduction ring, a permanent magnet ring, a stator lamination and a rotor lamination, each permanent magnet motor ring comprises a stator, a rotor and a coil, and the coil is wound on the inner wall of the stator. This kind of novel magnetic suspension waste heat turbine generator adopts magnetic suspension bearing to replace traditional bearing mode, and its characteristics lie in: the gearless direct drive is equivalent to gearless wear and bearing wear, has no coupling loss, no oil pump, no bearing lubricating system and other advantages, further improves the system efficiency, improves the practical life, reduces the maintenance cost, and has high cost performance in the life cycle.

Description

Novel magnetic suspension waste heat turbine generator
Technical Field
The invention relates to the technical field of waste heat power generation equipment, in particular to a novel magnetic suspension waste heat turbine generator.
Background
Every year 2000 hectares of forest worldwide disappear from the earth, and over 130 million tons of carbon dioxide are emitted to the atmosphere every year, and a large part belongs to industrial waste gas. The Organic working medium Rankine Cycle power generation technology (ORC) can efficiently recover medium-low temperature waste heat resources (below 350 ℃, low pressure or normal pressure) and has important significance for improving the energy utilization rate of China, saving energy, reducing emission and protecting the environment.
Traditional waste heat power generation adopts the form of expander and generator combination to generate electricity usually, and integrated degree is lower, and traditional expander passes through gear drive, can produce gear wearing and tearing and bearing wearing and tearing to carry out power transmission by the coupling to the generator, and have the oil pump, need use bearing lubrication system, system efficiency is lower, and the maintenance cost is high, and it is not very convenient to use.
Therefore, the novel magnetic suspension waste heat turbine generator is improved, and is provided.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a novel magnetic suspension waste heat turbine generator which comprises a fan cover, a shell and an end cover and is characterized in that a turbine is arranged inside the fan cover, a permanent magnet motor ring, two magnetic suspension bearings and a rotating shaft are arranged inside the shell, a wiring end is arranged at the top of the end cover, each magnetic suspension bearing comprises a stator magnetic conduction ring, a rotor magnetic conduction ring, a permanent magnet ring, a stator lamination and a rotor lamination, each permanent magnet motor ring comprises a stator, a rotor and a coil, the coil is wound on the inner wall of the stator, the periphery of the rotor is rotatably connected with the inner wall of the stator, and the central end of the periphery of the rotating shaft is fixedly connected with the inside of the rotor.
As a preferred technical scheme of the invention, one side of the fan housing is provided with an air inlet pipeline, one end of the air inlet pipeline is fixedly connected with a waste heat device, the top of the fan housing is provided with an air outlet pipeline, and one end of the air outlet pipeline is fixedly connected with a condensing device.
As a preferable technical scheme of the invention, a plurality of blades are arranged in the turbine, and the blades are arranged in a centripetal vortex type equidistant manner.
As a preferred technical scheme of the present invention, a plurality of mounting grooves are formed in the periphery of the stator magnetic conductive ring, and the plurality of permanent magnet rings are respectively clamped with the inside of the plurality of mounting grooves.
As a preferred technical solution of the present invention, the plurality of stator laminations are equidistantly distributed on the inner wall of the stator magnetic conductive ring, and one side of the plurality of stator laminations is fixedly connected to the inner wall of the stator magnetic conductive ring.
As a preferred technical solution of the present invention, the plurality of rotor laminations are respectively disposed between adjacent stator laminations, and one side of each of the plurality of rotor laminations is fixedly connected to an inner wall of the stator flux ring.
As a preferred technical solution of the present invention, the rotor magnetic conductive ring is rotatably connected to one side of the plurality of stator laminations and one side of the plurality of rotor laminations, and the inside of the rotor magnetic conductive ring is sleeved on the periphery of the rotating shaft.
As a preferred technical solution of the present invention, the two magnetic suspension bearings are respectively and fixedly connected to two ends of the inner wall of the housing, and two ends of the rotating shaft respectively extend to the inner central ends of the magnetic suspension bearings.
As a preferable technical solution of the present invention, one end of the rotating shaft located at one side of the fan housing is fixedly connected to a central end inside the turbine.
The invention has the beneficial effects that:
1. this kind of novel magnetic suspension waste heat turbine generator through adopting the magnetic suspension bearing to replace traditional bearing mode, its characteristics lie in: the system has the advantages of no gear direct drive, no gear abrasion and bearing abrasion, no coupling loss, no oil pump, no bearing lubricating system and the like, so that the system efficiency is improved, the practical service life is prolonged, the maintenance cost is reduced, and the high cost performance in the life cycle is realized;
2. the novel magnetic suspension waste heat turbine generator is free of a transmission and a coupling bearing, is free of contact and friction, is low in noise and improves transmission efficiency through the structural form of a direct-drive integrated machine;
3. this kind of novel magnetic suspension waste heat turbine generator adopts centripetal turbine speed formula technique through turbine blade, and enthalpy drop is big, and the rotational speed is high, and the expansion ratio is big, and is efficient, and turbine blade's intensity, pneumatics, technologies such as flow field optimization all have the improvement, improve waste heat conversion efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall schematic view of a novel magnetic levitation waste heat turbine generator of the present invention;
FIG. 2 is a schematic diagram of a novel magnetic levitation waste heat turbine generator according to the present invention;
FIG. 3 is an enlarged schematic view of a magnetic suspension bearing of the novel magnetic suspension waste heat turbine generator of the present invention;
FIG. 4 is an enlarged schematic view of a permanent magnet motor ring of the novel magnetic suspension waste heat turbine generator of the present invention;
fig. 5 is a schematic cross-sectional view of a magnetic suspension bearing of a novel magnetic suspension waste heat turbine generator.
In the figure: 1. a fan housing; 101. an air inlet pipeline; 102. an air outlet pipeline; 2. a housing; 3. an end cap; 301. a terminal; 4. a turbine; 5. a permanent magnet motor ring; 501. a stator; 502. a rotor; 503. a coil; 6. a magnetic suspension bearing; 601. a stator magnetic conductive ring; 602. a rotor magnetic conductive ring; 603. a permanent magnet ring; 604. laminating the stator; 605. laminating the rotor; 7. a rotating shaft.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-5, the novel magnetic suspension waste heat turbine generator of the present invention includes a fan housing 1, a housing 2, and an end cover 3, and is characterized in that a turbine 4 is disposed inside the fan housing 1, a permanent magnet motor ring 5, two magnetic suspension bearings 6, and a rotating shaft 7 are disposed inside the housing 3, a terminal 301 is disposed on the top of the end cover 3, each magnetic suspension bearing 6 includes a stator magnetic conductive ring 601, a rotor magnetic conductive ring 602, a permanent magnet ring 603, a stator lamination 604, and a rotor lamination 605, the permanent magnet motor ring 5 includes a stator 501, a rotor 502, and a coil 503, the coil 503 is wound around the inner wall of the stator 501, the outer periphery of the rotor 502 is rotatably connected to the inner wall of the stator 501, and the outer periphery center end of the rotating shaft 7 is fixedly connected to the inside of the rotor 502.
Wherein, fan housing 1 one side is provided with intake stack 101, intake stack 101 one end fixedly connected with waste heat equipment, fan housing 1 top is provided with air-out pipeline 102, air-out pipeline 102 one end fixedly connected with condensing equipment, can be smoothly with inside the waste heat is leading-in to fan housing 1 through the intake stack 101 that sets up, drive turbine 4 and rotate to drive pivot 7 and rotate, make things convenient for the inside waste heat of fan housing 1 to derive through the air-out pipeline 102 that sets up, and carry out follow-up cooling.
Wherein, turbine 4 is inside to be provided with a plurality of blades, and a plurality of blades are setting up to the vortex formula equidistance of entad, through 4 inside a plurality of blades that are provided with of turbine, and a plurality of blades are setting up to the vortex formula equidistance of entad, can improve the intensity, pneumatics, the flow field optimization technique of blade, make the rotation efficiency of turbine higher.
Wherein, a plurality of mounting grooves have been seted up to stator magnetic ring 601 periphery, and a plurality of permanent magnetism rings 603 respectively with the inside joint of a plurality of mounting grooves, can be inside the magnetic suspension bearing 6 at the inside magnetic force that produces of magnetic suspension bearing through the permanent magnetism ring 603 that sets up, make pivot 7 suspend inside magnetic suspension bearing 6, reduce the friction, reduce the wear rate, improve transmission efficiency.
The plurality of stator laminations 604 are distributed on the inner wall of the stator magnetic conductive ring 601 at equal intervals, one side of each stator lamination 604 is fixedly connected with the inner wall of the stator magnetic conductive ring 601, magnetic force can be generated through the arranged stator laminations 604, and the magnetic force is amplified, so that the magnetic field intensity inside the magnetic suspension bearing 6 is stronger.
The plurality of rotor laminations 605 are respectively arranged between the adjacent stator laminations 604, one side of each rotor lamination 605 is fixedly connected with the inner wall of the stator magnetic conductive ring 601, and the rotor magnetic conductive ring 602 can be suspended inside the magnetic suspension bearing 6 through the arranged rotor laminations 605, so that the rotor magnetic conductive ring 602 and the rotating shaft 7 smoothly rotate inside the magnetic suspension bearing 6, and the friction coefficient is reduced.
The rotor magnetic conductive ring 602 is rotatably connected to one side of the plurality of stator laminations 604 and the plurality of rotor laminations 605, the rotor magnetic conductive ring 602 is sleeved on the periphery of the rotating shaft 7, the driving force generated by the turbine 4 can be directly transmitted to the permanent magnet motor ring 5 through the rotating shaft 7, transmission of the driving force through a coupling is avoided, and the transmission efficiency of the driving force is improved.
Wherein, two magnetic suspension bearings 6 are respectively in 2 inner wall both ends fixed connection of shell, and 7 both ends of pivot extend to 6 inside central authorities of magnetic suspension bearing respectively and hold, through the shell 2 that sets up, both can set up permanent-magnet machine circle 5 inside shell 2, improve the intensity that integrates of this generator, can protect each subassembly inside shell 2 again.
Wherein, the one end of pivot 7 that is located fan housing 1 one side is fixed connection with the inside central point of turbine 4, can improve the circulation efficiency of waste heat in fan housing 1 inside through the fan housing 1 that sets up, makes turbine 4 rotation efficiency higher.
The working principle is as follows: when the wind cooling device works, firstly, the air inlet pipeline 101 can smoothly introduce the waste heat into the fan cover 1 to drive the turbine 4 to rotate, a plurality of blades are arranged in the turbine 4 and are arranged in a centripetal vortex type at equal intervals, the strength of the blades can be improved, the aerodynamics and flow field optimization technology is improved, the rotating efficiency of the turbine is higher, and the rotating shaft 7 is driven to rotate;
in the process of generating electric energy, the permanent magnet rings 603 inside the magnetic suspension bearing 6 generate magnetic force, and act on the stator lamination 604 and the rotor lamination 605, so that the rotor magnetic conductive ring 602 is suspended inside the magnetic suspension bearing 6, and the rotor magnetic conductive ring 602 and the rotating shaft 7 smoothly rotate inside the magnetic suspension bearing 6, thereby reducing the friction coefficient.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A novel magnetic suspension waste heat turbine generator comprises a fan cover (1), a shell (2) and an end cover (3), it is characterized in that a turbine (4) is arranged in the fan cover (1), a permanent magnet motor ring (5), two magnetic suspension bearings (6) and a rotating shaft (7) are arranged in the shell (3), the top of the end cover (3) is provided with a terminal (301), the magnetic suspension bearing (6) comprises a stator magnetic conductive ring (601), a rotor magnetic conductive ring (602), a permanent magnetic ring (603), a stator lamination (604) and a rotor lamination (605), the permanent magnet motor ring (5) comprises a stator (501), a rotor (502) and a coil (503), wherein the coil (503) is wound on the inner wall of the stator (501), the periphery of the rotor (502) is rotationally connected with the inner wall of the stator (501), the central end of the periphery of the rotating shaft (7) is fixedly connected with the inside of the rotor (502).
2. The novel magnetic suspension waste heat turbine generator is characterized in that an air inlet pipeline (101) is arranged on one side of the air hood (1), waste heat equipment is fixedly connected to one end of the air inlet pipeline (101), an air outlet pipeline (102) is arranged on the top of the air hood (1), and condensing equipment is fixedly connected to one end of the air outlet pipeline (102).
3. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein a plurality of blades are arranged inside the turbine (4), and the plurality of blades are arranged in a centripetal vortex type equidistant manner.
4. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein a plurality of mounting grooves are formed in the periphery of the stator magnetic conductive ring (601), and the plurality of permanent magnet rings (603) are respectively clamped with the inside of the mounting grooves.
5. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein a plurality of the stator laminations (604) are equidistantly distributed on the inner wall of the stator magnetic conductive ring (601), and one side of the plurality of the stator laminations (604) is fixedly connected with the inner wall of the stator magnetic conductive ring (601).
6. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein a plurality of the rotor lamination layers (605) are respectively arranged between the adjacent stator lamination layers (604), and one side of the plurality of the rotor lamination layers (605) is fixedly connected with the inner wall of the stator magnetic conductive ring (601).
7. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein the rotor magnetic conductive ring (602) is rotatably connected to one side of the plurality of stator laminations (604) and one side of the plurality of rotor laminations (605), and the inside of the rotor magnetic conductive ring (602) is sleeved on the periphery of the rotating shaft (7).
8. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein two magnetic suspension bearings (6) are fixedly connected to two ends of the inner wall of the housing (2), and two ends of the rotating shaft (7) extend to the inner central end of the magnetic suspension bearings (6).
9. The novel magnetic suspension waste heat turbine generator as claimed in claim 1, wherein one end of the rotating shaft (7) located on one side of the fan housing (1) is fixedly connected with the central end inside the turbine (4).
CN202111207211.9A 2021-10-18 2021-10-18 Novel magnetic suspension waste heat turbine generator Pending CN113904499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111207211.9A CN113904499A (en) 2021-10-18 2021-10-18 Novel magnetic suspension waste heat turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111207211.9A CN113904499A (en) 2021-10-18 2021-10-18 Novel magnetic suspension waste heat turbine generator

Publications (1)

Publication Number Publication Date
CN113904499A true CN113904499A (en) 2022-01-07

Family

ID=79192575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111207211.9A Pending CN113904499A (en) 2021-10-18 2021-10-18 Novel magnetic suspension waste heat turbine generator

Country Status (1)

Country Link
CN (1) CN113904499A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081365A (en) * 2000-07-07 2002-03-22 Masaharu Miyake Burnt waste gas flow passage provided with power generating device
US20030038553A1 (en) * 2001-08-24 2003-02-27 Smiths Aerospace, Inc,.Electronic Systems Rockford Permanent magnet turbo-generator having magnetic bearings
JP2003174742A (en) * 2001-12-06 2003-06-20 Ishikawajima Harima Heavy Ind Co Ltd Rotary machine and assembling method thereof
CN101219714A (en) * 2007-12-26 2008-07-16 北京航空航天大学 Double-frame magnetic suspension control moment gyro
CN101344036A (en) * 2007-07-14 2009-01-14 阿特拉斯·科普柯能源有限公司 Turbo engine
JP2013519044A (en) * 2010-02-08 2013-05-23 ナショナル ウィンド エナジー カンパニー リミテッド Magnetic Levitation Support Structure for Vertical Axis Generator and Vertical Axis Generator Using It
CN104838093A (en) * 2012-09-11 2015-08-12 康塞普斯Eti公司 Overhung turbine and generator system with turbine cartridge
CN107023328A (en) * 2017-03-09 2017-08-08 上海大学 Vertical permanent magnet suspension cogeneration machine
CN109707735A (en) * 2019-02-15 2019-05-03 广东美的暖通设备有限公司 Magnetic bearing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081365A (en) * 2000-07-07 2002-03-22 Masaharu Miyake Burnt waste gas flow passage provided with power generating device
US20030038553A1 (en) * 2001-08-24 2003-02-27 Smiths Aerospace, Inc,.Electronic Systems Rockford Permanent magnet turbo-generator having magnetic bearings
JP2003174742A (en) * 2001-12-06 2003-06-20 Ishikawajima Harima Heavy Ind Co Ltd Rotary machine and assembling method thereof
CN101344036A (en) * 2007-07-14 2009-01-14 阿特拉斯·科普柯能源有限公司 Turbo engine
CN101219714A (en) * 2007-12-26 2008-07-16 北京航空航天大学 Double-frame magnetic suspension control moment gyro
JP2013519044A (en) * 2010-02-08 2013-05-23 ナショナル ウィンド エナジー カンパニー リミテッド Magnetic Levitation Support Structure for Vertical Axis Generator and Vertical Axis Generator Using It
CN104838093A (en) * 2012-09-11 2015-08-12 康塞普斯Eti公司 Overhung turbine and generator system with turbine cartridge
CN107023328A (en) * 2017-03-09 2017-08-08 上海大学 Vertical permanent magnet suspension cogeneration machine
CN109707735A (en) * 2019-02-15 2019-05-03 广东美的暖通设备有限公司 Magnetic bearing

Similar Documents

Publication Publication Date Title
CN101888148B (en) Cooling system and wind turbine incorporating same
CN107503806B (en) Turbine engine
CN212479344U (en) Efficient backrest type double-turbine centripetal turbine expansion power generation device
CN102005860A (en) Heat abstractor for high-power vertical-axis wind generating set
CN102364094A (en) Bidirectional wind barrel type magnetic suspension wind power generation device
CN103944313A (en) Direct-coupled magnetic suspension fan
CN208252368U (en) Fuel cell air suspension centrifugal compressor
CN202326021U (en) Two-way air duct type magnetic suspension wind power generation device
CN107528423B (en) Closed permanent magnet generator for small wind power generation
CN113790089A (en) Low-temperature waste heat power generation system
CN204126815U (en) Bilobed wheel coreless wind driven generator
CN113904499A (en) Novel magnetic suspension waste heat turbine generator
CN206226187U (en) A kind of elevator motor with good heat radiating function
CN202017579U (en) Double disk type wind driven generator
CN102270900A (en) Megawatt direct drive type low-speed permanent magnet wind-driven generator
CN102122870A (en) 5 MW direct-driven permanent magnet wind generator with dual rotors, dual stators and dual air gaps
CN207583644U (en) A kind of air cooling blower fan
CN209982270U (en) Self-excited synchronous generator with radial-flow type heat-dissipation wind wheel
CN210092988U (en) Optimized heat dissipation type surface-mounted permanent magnet motor rotor and motor
CN207960970U (en) Electronic water pump with active cooling channel
CN202091211U (en) High-temperature-resistant rare-earth permanent-magnet brushless direct current self-priming pump
CN210111819U (en) Closed permanent magnet synchronous self-fan cooling generator
CN210405052U (en) Hollow cup type permanent magnet motor for large ceiling fan
CN215804757U (en) Magnetic suspension compression and expansion integrated equipment for low-temperature waste heat power generation system
CN219227374U (en) Heat dissipation mechanism of industrial fan motor

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