CN201904687U - Generator integrally connected with engine - Google Patents
Generator integrally connected with engine Download PDFInfo
- Publication number
- CN201904687U CN201904687U CN2010201052585U CN201020105258U CN201904687U CN 201904687 U CN201904687 U CN 201904687U CN 2010201052585 U CN2010201052585 U CN 2010201052585U CN 201020105258 U CN201020105258 U CN 201020105258U CN 201904687 U CN201904687 U CN 201904687U
- Authority
- CN
- China
- Prior art keywords
- stator winding
- engine
- winding
- generator
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a generator integrally connected with an engine, which comprises an outer stator, a rotor and an inner stator, wherein the inner stator comprises an inner stator winding; the outer stator comprises an outer stator winding; the shell of the outer stator is fixed on a flywheel cover of the engine; a bracket of the inner stator is fixed on a shaft; the shaft is fixed on a connection plate; the rotor is fixed on the flywheel of the engine; a permanent magnet is arranged on the rotor; by using a radial exciting structure, the permanent magnet and the inner and outer stators form a main magnetic field closed loop through inner and outer clearances; and the rotor rotates along the flywheel so as to drive the permanent magnet to rotate. The rotating magnetic field generates induction potential in the inner stator winding and the outer stator winding, so as to supply power to the outside. The generator has compact structure, has high space use ratio, is small in volume and good in radiating effect, and has high output electric power in unit volume. Along with the increasing of the rotate speed, the capability of power output is increased, so as to be matched with the output characteristic of the engine; therefore, the generator is especially suitable for serial hybrid electric bus.
Description
Technical field
The utility model relates to a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) that is applied to vehicular field, especially a kind ofly be applied to hybrid vehicle and directly link into an integrated entity with engine, have the fixedly permanent magnet generator of winding output electric energy of two covers, the utility model also can be applied to other similar field.
Background technology
Engine is by power transmission shaft (or connector) and generator mechanical connection, be fixed on the same base, engine drives the generator rotation, the mechanical energy of engine converts the electric energy of generator to, externally power supply, this class generating set has a lot of products on present market, capacity is from 1000VA to 1000kVA.Diesel generating set commonly used generally adopts electric excitation generator, and fixed voltage and fixed frequency output electric energy are aspect emergency power supply, as being widely used in field construction and the mobile operating.In the serial mixed power passenger vehicle, be subjected to the restriction of installing space, alternative electric excitation generator is single tacho generator, volume is bigger, single and the rotating speed of output characteristic is restricted, the energy of conversion engine fully, particularly can not improve electric energy output by the rotating speed that improves engine, power supply in the passenger vehicle is subject to many limitations, when car load designs, pass through jumbo electrokinetic cell is installed, and solve the electricity needs of power drive system based on the strategy of electrokinetic cell power supply, generator auxiliary power supply.The generating set volume of existing serial mixed power passenger vehicle is bigger, connector takes up room also bigger, Performance Match is poor, especially the rotating speed adaptation is poor, generator capacity is on the low side, efficient is higher during rated speed, and other rotating speed fan-out capability reduces, efficient is also lower, this unfavorable electric motor coach energy-saving and cost-reducing.Though with permanent magnet generator can improve unit electric fan-out capability and and the matching performance of engine, but the traditional structure of generator makes volume still bigger, limited installing space makes the output of permanent magnet generator not finish to satisfy the power supply capacity demand of car load to generator, especially load when big, it is a lot of that the generator armature reaction makes that fan-out capability descends, and efficient also declines to a great extent; The generator own loss strengthened when rotating speed raise, and decrease in efficiency is a lot, and is poor for applicability.
Generating set on the serial mixed power passenger vehicle takes up room bigger at present, the traditional connected mode axial length that mainly is generator and engine is long, the range of speeds is very narrow efficiently, other rotary speed area efficient is generally on the low side: output voltage is lower during low speed, output voltage is higher during high speed, and the output voltage range of decrease is bigger when exporting big electric current, greatly influence and electrokinetic cell collaborative power supply the in parallel, the speed of service of limiting engine, thus the passenger vehicle energy-saving effect influenced.
Therefore the present as can be seen and supporting generator of engine remains in some shortcomings, especially big, the performance of taking up room can not be finished the demand that satisfies the serial mixed power passenger vehicle, therefore be necessary further the structure of permanent magnet generator to be improved, the Performance Match of fundamental sum engine, improve its applicability and fan-out capability, in the effective range of speeds, efficient output.
The utility model content
Shortcomings such as the generator fan-out capability that the purpose of this utility model is to overcome traditional structure is little, and is relatively poor with the engine matching, that efficient is low, the permanent magnet generator that fuses with engine that a kind of new structure is provided shortens the installation length of generating set.This generator has that space utilization is good, and volume is less, the advantage that capacity is bigger, and the characteristic of generator can be well and the engine coupling, thus make " improve engine speed and increase electrical power output " become possibility.
According to the utility model, above-mentioned technical problem realizes by following technical proposals:
A kind of generator that links into an integrated entity with engine, comprise external stator, rotor and internal stator, internal stator comprises the internal stator winding, and external stator comprises the external stator winding, the casing of external stator is fixed on the engine flywheel cover, the support of internal stator is fixed on the axle, and axle is fixed on the terminal pad, and rotor is fixed on the engine flywheel, arrange permanent magnet on the rotor, adopt radially excitatory structure, permanent magnet forms the closed-loop path, magnetic field by inside and outside air gap and inside and outside stator core.Rotor rotates with flywheel, drives the permanent magnet rotation, and the magnetic field of rotation produces induced potential in internal stator winding and external stator winding, electric energy externally is provided.
As the further execution mode of the utility model, described rotor adopts the horizontal type cup body structure, the cup of rotor is by magnetic conduction and non electrically conductive material are not made, the air channel is left at two ends, the cup base fabric is equipped with radial reinforcement, be furnished with fan blade on the reinforcement, between the internal stator of motor internal and external stator, form circulated air during rotor rotation.
As the further execution mode of the utility model, described internal stator and external stator all adopt water-cooling structure, and water channel is interconnected.
As the further execution mode of the utility model, described internal stator winding and external stator winding externally provide electric energy separately; Perhaps the internal stator winding is used for motor-field, and the external stator winding externally provides electric energy separately.
As another kind of execution mode of the present utility model, described internal stator winding becomes series system that electric energy externally is provided together with the external stator winding by aerial lug, can greatly improve output voltage like this.
As another kind of execution mode of the present utility model, described internal stator winding becomes parallel way that electric energy externally is provided together with the external stator winding by aerial lug, can greatly improve output current like this.
As the further execution mode of the utility model, described internal stator winding and external stator winding all adopt distributed winding construction.
As another kind of execution mode of the present utility model, described external stator winding adopts distributed winding construction, and the internal stator winding adopts concentrates winding construction.
As another kind of execution mode of the present utility model, described external stator winding adopts concentrates winding construction, and the internal stator winding adopts distributed winding construction.
As another kind of execution mode of the present utility model, described external stator winding and internal stator winding all adopt concentrated winding construction.
Because generator directly links to each other with engine, no longer needs the power transmission shaft connector, makes the generating set contraction in length.Adopt the mode of arranging fixed permanent magnet on coil, the rotor on the stator, by promoting the fan-out capability of generator, make hybrid power passenger car become possibility based on the strategy of " generator powered; the electrokinetic cell power supply is auxilliary ", reduce the outfit and the capacity of electrokinetic cell, effectively improve the passenger vehicle oil-saving effect.Be characterized in that stator is divided into external stator and internal stator, all be furnished with fixedly winding, rotor is by the flywheel driven rotary of engine, and epitrochanterian permanent magnet produces rotating magnetic field respectively in the inside and outside stator of motor internal, in its winding, produce induced potential, externally power supply.By using the described device of this kind execution mode, this electric generator structure compactness, space utilization is good, and volume is less, good heat dissipation effect, the electrical power of unit volume output is bigger, along with the raising of rotating speed, output voltage raises, and power supply capacity increases, substantially mate with the output characteristic of engine, be specially adapted to the serial mixed power passenger vehicle.
Description of drawings
Fig. 1 is the generator general structure schematic diagram of the utility model example;
Fig. 2 is the embodiment one magnetic structure schematic diagram of generator of the present utility model;
Fig. 3 is the embodiment two magnetic structure schematic diagrames of generator of the present utility model;
Fig. 4 is the embodiment three magnetic structure schematic diagrames of generator of the present utility model;
Fig. 5 executes four magnetic structure schematic diagrames for the example of generator of the present utility model;
Among the figure: 1-flywheel guard, 2-flywheel, 3-casing, 4-external stator, 5-permanent magnet, 6-rotor, 7-internal stator, 8-support, 9-axle, 10-terminal pad.
Embodiment:
Accompanying drawing has provided specific embodiment of the utility model, below will the utility model will be further described by drawings and Examples.
As this a kind of a kind of preferred implementation of generator that links into an integrated entity with engine, as shown in Figure 1, generator has internal stator 7 and external stator 4, and its winding adopts distributed winding, also can adopt concentrated winding.By the winding type of combination internal stator 7 and external stator 4, generator has different outer output characteristic.External stator 4 is fixed on by casing 3 on the flywheel guard 1 of engine, casing 3 inner water flowing coolings, and the water route that casing 3 is provided with entery and delivery port and outside cooling system links to each other; The iron core of internal stator 7 is fixed on the support 8, adopts support 8 inner water flowing coolings, and support 8 is fixed on the axle 9, and leaves axial ventilation hole; Axle 9 does not rotate, and an end is by flywheel 2 endoporus of Bearing Installation at engine, and an end is fixed on the terminal pad 10, and bearing is installed on it, is used for support rotor 6, leaves water channel and lead-out wire hole in the axle 9.Wherein, external stator is made up of shell, external stator core and external stator winding, and internal stator is made up of internal stator support, inner-stator iron core, internal stator winding and axle.
Rotor 6 adopts cup accumbency structures, does not have rotating shaft, and cup is not magnetic conduction, electrically non-conductive material, fixed permanent magnet 5 and stay ventilation hole on it at cup-mouth end, the flange of rim of a cup is fixed on the flywheel 2 of engine, and rotor 6 and flywheel 2 are rotated together, forms rotating magnetic field at motor internal.Cup end perforate, radial reinforcement of layout on it and air duct, be furnished with fan blade on the part muscle, when rotor 6 rotations, form the wind circulation between the inside and outside stator of motor internal, help motor and form isothermal body fast, the cup base fabric is equipped with the oil enveloping structure coupling of labyrinth class oil enveloping structure and terminal pad 10, is used for bearing protection.
Embodiment one as shown in Figure 2 is the magnetic structure that inside and outside stator is distributed stator winding, and this generator comprises external stator 4, rotor 6, internal stator 7 and terminal pad 10, and external stator 4 is fixed on the engine flywheel cover 1 by casing 3; Internal stator 7 holds in the endoporus that is placed on engine flywheel 2 by axle 9, one end installation shaft, and the other end is fixed on the terminal pad 10, and the outside bearing of installing is used for support rotor.Terminal pad 10 is fixed on the casing 3.Inside and outside stator adopts water-cooled, and pipeline is interconnected, and its winding all adopts distributed winding.
Rotor 6 is accumbency cup type structure, the rim of a cup ring flange is fixed on the engine flywheel 2, arrange on the cup that permanent magnet 5 also leaves air duct in two ends, cup end perforate, radial reinforcement on it is furnished with fan blade, when rotor 6 and flywheel 2 rotate together, between the inside and outside stator of motor internal, form circulated air, rotor 6 other ends by Bearing Installation on the axle 9 of internal stator.
Embodiment two as shown in Figure 3 is that external stator is that distributed winding, internal stator are the magnetic structure of centralized winding, and this generator comprises external stator 4, rotor 6, internal stator 7 and terminal pad 10, and external stator 4 is fixed on the engine flywheel cover 1 by casing 3; Internal stator 7 holds in the endoporus that is placed on engine flywheel 2 by axle 9, one end installation shaft, and the other end is fixed on the terminal pad 10, and the outside bearing of installing is used for support rotor.Terminal pad 10 is fixed on the casing 3.Inside and outside stator adopts water-cooled, and pipeline is interconnected, and external stator adopts distributed winding, and internal stator adopts centralized winding.
Rotor 6 is accumbency cup type structure, the rim of a cup ring flange is fixed on the engine flywheel 2, arrange on the cup that permanent magnet 5 also leaves air duct in two ends, cup end perforate, radial reinforcement on it is furnished with fan blade, when rotor 6 and flywheel 2 rotate together, between the inside and outside stator of motor internal, form circulated air, rotor 6 other ends by Bearing Installation on the axle 9 of internal stator.
Embodiment three as shown in Figure 4 is that external stator is that centralized winding, internal stator are the magnetic structure of distributed winding, and this generator comprises external stator 4, rotor 6, internal stator 7 and terminal pad 10, and external stator 4 is fixed on the engine flywheel cover 1 by casing 3; Internal stator 7 holds in the endoporus that is placed on engine flywheel 2 by axle 9, one end installation shaft, and the other end is fixed on the terminal pad 10, and the outside bearing of installing is used for support rotor.Terminal pad 10 is fixed on the casing 3.Inside and outside stator adopts water-cooled, and pipeline is interconnected, and external stator adopts centralized winding, and internal stator adopts distributed winding.
Rotor 6 is accumbency cup type structure, the rim of a cup ring flange is fixed on the engine flywheel 2, arrange on the cup that permanent magnet 5 also leaves air duct in two ends, cup end perforate, radial reinforcement on it is furnished with fan blade, when rotor 6 and flywheel 2 rotate together, between the inside and outside stator of motor internal, form circulated air, rotor 6 other ends by Bearing Installation on the axle 9 of internal stator.
Embodiment four as shown in Figure 5 is magnetic structures that inside and outside stator is centralized winding, and this generator comprises external stator 4, rotor 6, internal stator 7 and terminal pad 10, and external stator 4 is fixed on the engine flywheel cover 1 by casing 3; Internal stator 7 holds in the endoporus that is placed on engine flywheel 2 by axle 9, one end installation shaft, and the other end is fixed on the terminal pad 10, and the outside bearing of installing is used for support rotor.Terminal pad 10 is fixed on the casing 3.Inside and outside stator adopts water-cooled, and pipeline is interconnected, and inside and outside stator adopts centralized winding.
Rotor 6 is accumbency cup type structure, the rim of a cup ring flange is fixed on the engine flywheel 2, arrange on the cup that permanent magnet 5 also leaves air duct in two ends, cup end perforate, radial reinforcement on it is furnished with fan blade, when rotor 6 and flywheel 2 rotate together, between the inside and outside stator of motor internal, form circulated air, rotor 6 other ends by Bearing Installation on the axle 9 of internal stator.
Generator of the present utility model adopts and directly is connected with flywheel with the flywheel guard of engine, and space utilization is good, compact conformation.Rotor is a cup accumbency structure, does not have rotating shaft, and cup is not magnetic conduction, electrically non-conductive material, and the electromagnetic consumable of rotor is very little, near 0.Generator adopts radially excitatory structure, and externally the electromotive power output ability is strong, and the capacitance of unit volume is big.The various combination of inside and outside stator winding has different output characteristic.Inside and outside stator winding can independently simultaneously be exported; By aerial lug, can realize the series connection of inside and outside stator winding very easily, greatly improved output voltage; Also can realize simultaneously the parallel connection of inside and outside stator winding very easily, greatly improve output current.By to rotor position detection, the main field of available internal stator winding regulating generator realizes increasing magnetic or weak magnetic function, and single channel output makes the output of generator satisfy specific (special) requirements, improves voltage during as low speed, reduces voltage and the output of electrokinetic cell coupling during high speed.Generator can also improve output voltage by promoting rotating speed, increases external electromotive power output ability.
Though described execution mode of the present utility model in conjunction with the accompanying drawings, those of ordinary skill in the art can make various distortion or modification within the scope of the appended claims.
Claims (10)
1. generator that links into an integrated entity with engine, comprise external stator (4), rotor (6) and internal stator (7), internal stator comprises the internal stator winding, external stator comprises the external stator winding, it is characterized in that: the casing (3) of external stator (4) is fixed on the engine flywheel cover (1), the support (8) of internal stator (7) is fixed on the axle (9), axle (9) is fixed on the terminal pad (10), rotor (6) is fixed on the engine flywheel (2), rotor (6) is gone up and is arranged permanent magnet (5), adopt radially excitatory structure, in permanent magnet (5) passes through, outer air gap and in, external stator core forms the closed-loop path, magnetic field.
2. a kind of generator that links into an integrated entity with engine according to claim 1, it is characterized in that: described rotor (6) adopts the horizontal type cup body structure, the cup of rotor is by magnetic conduction and non electrically conductive material are not made, the air channel is left at two ends, the cup base fabric is equipped with radial reinforcement, is furnished with fan blade on the reinforcement.
3. a kind of generator that links into an integrated entity with engine according to claim 1, it is characterized in that: described internal stator and external stator all adopt water-cooling structure, are interconnected between the water channel.
4. a kind of generator that links into an integrated entity with engine according to claim 3, it is characterized in that: described internal stator winding and external stator winding externally provide electric energy separately.
5. a kind of generator that links into an integrated entity with engine according to claim 3, it is characterized in that: described internal stator winding becomes series system that electric energy externally is provided together with the external stator winding by aerial lug.
6. a kind of generator that links into an integrated entity with engine according to claim 3, it is characterized in that: described internal stator winding becomes parallel way that electric energy externally is provided together with the external stator winding by aerial lug.
7. as claim 4 or 5 or 6 described a kind of generators that link into an integrated entity with engine, it is characterized in that: described internal stator winding and external stator winding all adopt distributed winding construction.
8. as claim 4 or 5 or 6 described a kind of generators that link into an integrated entity with engine, it is characterized in that: described external stator winding adopts distributed winding construction, and the internal stator winding adopts concentrates winding construction.
9. as claim 4 or 5 or 6 described a kind of generators that link into an integrated entity with engine, it is characterized in that: described external stator winding adopts concentrates winding construction, and the internal stator winding adopts distributed winding construction.
10. as claim 4 or 5 or 6 described a kind of generators that link into an integrated entity with engine, it is characterized in that: described external stator winding and internal stator winding all adopt concentrated winding construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052585U CN201904687U (en) | 2010-02-02 | 2010-02-02 | Generator integrally connected with engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052585U CN201904687U (en) | 2010-02-02 | 2010-02-02 | Generator integrally connected with engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904687U true CN201904687U (en) | 2011-07-20 |
Family
ID=44275279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201052585U Expired - Lifetime CN201904687U (en) | 2010-02-02 | 2010-02-02 | Generator integrally connected with engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904687U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407764A (en) * | 2011-11-09 | 2012-04-11 | 天津清源电动车辆有限责任公司 | Integrated hybrid power electric car drive unit |
| CN102501753A (en) * | 2011-11-09 | 2012-06-20 | 天津清源电动车辆有限责任公司 | Integrated extended range type electric vehicle drive assembly |
| CN103138670A (en) * | 2013-03-07 | 2013-06-05 | 成都南玉电力设备有限公司 | High-power-generation-efficiency diesel generating set |
| CN104265449A (en) * | 2014-08-29 | 2015-01-07 | 长城汽车股份有限公司 | Engine system and car |
| CN104779740A (en) * | 2015-05-06 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Engine and motor integrated device |
| CN109625146A (en) * | 2019-01-11 | 2019-04-16 | 苏州盛亿电机有限公司 | The compact built-in motor being driven using primary gear speed reducing |
| CN110429727A (en) * | 2019-07-31 | 2019-11-08 | 江苏大学 | A kind of hub motor for electric automobile stator water-cooling structure |
| CN113193719A (en) * | 2021-05-25 | 2021-07-30 | 付玉信 | Electric generator set |
| CN113612349A (en) * | 2021-09-07 | 2021-11-05 | 北京航空航天大学 | Direct-drive inner rotor starting generator system of aircraft engine |
-
2010
- 2010-02-02 CN CN2010201052585U patent/CN201904687U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407764A (en) * | 2011-11-09 | 2012-04-11 | 天津清源电动车辆有限责任公司 | Integrated hybrid power electric car drive unit |
| CN102501753A (en) * | 2011-11-09 | 2012-06-20 | 天津清源电动车辆有限责任公司 | Integrated extended range type electric vehicle drive assembly |
| CN103138670A (en) * | 2013-03-07 | 2013-06-05 | 成都南玉电力设备有限公司 | High-power-generation-efficiency diesel generating set |
| CN104265449A (en) * | 2014-08-29 | 2015-01-07 | 长城汽车股份有限公司 | Engine system and car |
| CN104265449B (en) * | 2014-08-29 | 2017-02-01 | 长城汽车股份有限公司 | Engine system and car |
| CN104779740A (en) * | 2015-05-06 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Engine and motor integrated device |
| CN104779740B (en) * | 2015-05-06 | 2018-05-01 | 南车株洲电力机车研究所有限公司 | Motor of engine integrated apparatus |
| CN109625146A (en) * | 2019-01-11 | 2019-04-16 | 苏州盛亿电机有限公司 | The compact built-in motor being driven using primary gear speed reducing |
| CN109625146B (en) * | 2019-01-11 | 2024-03-15 | 苏州盛亿电机有限公司 | Compact central motor adopting primary gear reduction transmission |
| CN110429727A (en) * | 2019-07-31 | 2019-11-08 | 江苏大学 | A kind of hub motor for electric automobile stator water-cooling structure |
| CN113193719A (en) * | 2021-05-25 | 2021-07-30 | 付玉信 | Electric generator set |
| CN113612349A (en) * | 2021-09-07 | 2021-11-05 | 北京航空航天大学 | Direct-drive inner rotor starting generator system of aircraft engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201629633U (en) | Permanent magnet generator connected together with engine | |
| CN201904687U (en) | Generator integrally connected with engine | |
| CN101951074B (en) | Shaft driven variable-speed constant-voltage brushless generator | |
| CN103904826B (en) | Motor cooling structure | |
| CN106385203B (en) | A kind of axial phase inner stator permanent magnetism off-set magnetic suspension switching magnetic-resistance fly-wheel motor | |
| CN202034877U (en) | Built-in permanent-magnetic rotor high-speed motor | |
| CN102570753B (en) | Permanent magnet harmonic motor | |
| CN101162859A (en) | Double feed-through asynchronous wind power generator more than megawatt level | |
| CN104969453A (en) | Electrical machine with direct stator cooling | |
| CN201956845U (en) | AC synchronous PMG with novel structure | |
| CN101110544A (en) | Brushless synchronous traction generator | |
| CN201956814U (en) | Shaft driven variable speed constant voltage brushless generator | |
| CN103051086A (en) | Hybrid excitation type high-efficiency energy-saving automotive alternating current generator | |
| CN201956846U (en) | Composite excited brushless single phase synchronous generator with novel structure | |
| CN101630886B (en) | Double-stator and double-rotor welding generator | |
| CN207612148U (en) | A kind of efficiently mute vehicle alternator | |
| CN102480199A (en) | Hybrid excitation brushless single phase synchronous generator with novel structure | |
| CN103023243A (en) | Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof | |
| CN201629634U (en) | Vibration-resistant variable-frequency speed regulating motor with forced cooling system | |
| CN208767947U (en) | 12/8 pole switching reluctance motor | |
| CN114056103A (en) | Self-excitation slow braking axle | |
| CN103023245A (en) | Double-bearing support double-stator switch magnetic-resistance wind power generator and unit system thereof | |
| CN209389828U (en) | A kind of external rotor brushless hollow-cup motor | |
| CN2578571Y (en) | Water pump-generator | |
| CN107465322B (en) | Range extender of electric vehicle grid shape rotor electric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |
|
| CX01 | Expiry of patent term |