CN106515408B - A kind of super more motors series connection stepless variable engines - Google Patents
A kind of super more motors series connection stepless variable engines Download PDFInfo
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- CN106515408B CN106515408B CN201611083787.8A CN201611083787A CN106515408B CN 106515408 B CN106515408 B CN 106515408B CN 201611083787 A CN201611083787 A CN 201611083787A CN 106515408 B CN106515408 B CN 106515408B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
The invention discloses a kind of more motors series connection stepless variable engines, it is characterized by comprising pedestal, upper cover plate, outer shields, the both ends three that pedestal and cover board are separately mounted to outer shield forms accommodating cavity, it is provided with the output shaft as output end on upper cover plate, the main axis system and no less than one collateral line planetary drive system for driving the output shaft are provided in accommodating cavity；This speed change main tank uses planetary structure, increase outer ring structure tooth and concentric bearings, central motor is coupled on an output shaft with the strength of partially outer motor and speed by special construction, it is multistage again to be coupled layer by layer in proportion, specific structure guarantees that tooth does not have to separation mutually and two motors can be separately worked independently, can also smooth joint get up to work, this technology is coupled available to one or more motors, realize a variety of steer modes of speed change, reach high speed, the smooth and super engine calls of energy-efficient three keys in conjunction with hollow-cup motor characteristic.
Description
Technical field
The present invention relates to a kind of super more motors series connection stepless variable engines.
Technical background
What automotive engineering was most difficult to is the engine of automobile, and the engine technology for the compatriots that are all right is not chase after foreign countries, now
The development of electric vehicle engineering has the chance overtaken other vehicles to China in development of automobile, surmounts key in engine.Engine it is good
The bad performance issue for determining automobile.The efficiency operation area of general motor is all narrow, and many energy do not maximally utilize,
Motor can solve the problems, such as this in conjunction with super generating speed changer, and the efficient operation of motor is exactly recycled by gear ratio
Area.Motor is in high efficient district competence exertion maximum efficiency.
Prior art advantage and disadvantage:
1, vapour/diesel vehicle, technology maturation, high speed is also strong, but low speed excessive fuel consumption, and engine manufacture is complicated, noise and vibration
It is all big, do not meet new energy demand for development yet；
2, current pure electric vehicle, engine technology are high-power single motor or more motor parallel technologies, energy conservation consumption mostly
Height, the vehicle for doing complicated point is too expensive, and the continuation of the journey of middle-grade vehicle is very little, and low-grade vehicle speed is slow；Single motor characteristic is that low speed is strong, high
Speed there just is not power, and motor and motor are all too heavy, and universal requirement is all not achieved in this way；
3, hybrid power, low speed have electricity, have oil, relatively good combination at a high speed, but gear shift still has pause and transition in rhythm or melody sense, a vehicle two
Control system is covered, cost is too high, excessive scheme, also difficult a large amount of universal.
Development goal of the present invention
Wan Weibo new energy technology Co., Ltd, Shenzhen sets up 2016, and company formation personnel predecessor is to be engaged in robot
It is developed with automated machine, my company is applied to Robot Control Technology on automobile, designs and can answer up in 2 years
Infinitely variable speed structure is used, discovery new construction not only realizes the function of stepless shift after the investment successively of team, and there are also big
The effect of energy-efficient function and hoisting power, is applied to numerous bottles that current automobile industry engine is solved on new-energy automobile
Neck problem；New company is just resolved Chinese electric vehicle engine skill upgrading at the beginning of setting up to new high degree, and target is in new energy
Prior art bottleneck is broken through in the automotive engineering of source, significant contribution is made in the new energy technology economic development for China.
Technical advantage of the invention
Regarding to the issue above: the technology of the present invention is exactly to solve whole electric vehicle weight loss of weight problem；New-energy automobile is first
Solve the problems, such as energy consumption and own wt, single group motor changes after multiple groups motor battery must can be with loss of weight；
The energy conservation that the present invention plays low-power machine can advantage；Small-power can be manufactured in high volume, and versatility is good, manufacturing cost
Low, inertia is small, and efficiency is higher；
The technology of the present invention is to improve the key configuration of the above problem；Development of automobile will be to intelligence, networking, complete automatically controlled essence
Development is really controlled, technology development must satisfy the linear acceleration bodies of manipulation and test, and acceleration and grade climbing performance take into account energy conservation and economy
The requirement of property, for the upgrade application for cooperating these technologies.
Summary of the invention
It is low that a kind of manufacturing cost is provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art, structure letter
It is single, a kind of small in size, energy-efficient more motors series connection stepless variable engines.
To achieve the goals above, the super more motors series connection stepless variable engines of one kind designed by the present invention, it is special
Sign is: including pedestal, upper cover plate, outer shield, the both ends three that pedestal is separately mounted to outer shield with upper cover plate, which is formed, to be accommodated
Chamber is provided with the output shaft as output end on upper cover plate, the main axis system for driving the output shaft is provided in accommodating cavity
And no less than one collateral line planetary drive system, the motor cabinet for installing motor, motor cabinet are provided with below pedestal
The collateral line motor of main motor, driving collateral line planetary drive system operation including driving spindle rotation system；The main motor, side
It is that motor is one of using drag cup motor or switched reluctance machines or permanent magnetism amorphous synchronous motor；
Be equipped in accommodating cavity the downlink carrier of coaxial arrangement, the uplink carrier for being fixed with above-mentioned output shaft, gear ring flange,
First sun gear, the first sun gear have the rotation axis that base intracavity is arranged in, and the first sun gear is arranged under downlink carrier
At end, and the lower side end of downlink carrier is fixed with and the intermeshing first sun gear gear ring of the first sun gear, the first sun gear
It is provided on the face of gear ring outer ring and is mounted on gear ring flange with its intermeshing lower ring gear with outer gear ring, the lower ring gear
It is additionally provided between downlink carrier, on pedestal and the intermeshing first motor axis of the outer gear ring of lower ring gear, first motor
Axis is arranged in the accommodating cavity between pedestal and upper cover plate, the first sun gear, the first sun gear gear ring, lower ring gear, the first electricity
Arbor successively engages the lower collateral line planetary drive system of formation, and the upper end of the downlink carrier is equipped under uplink carrier
End the second sun gear, uplink carrier side end be fixed with the intermeshing second sun gear gear ring of the second sun gear, second too
Sun wheel gear ring outer end be provided with its intermeshing upper ring gear with outer gear ring, be additionally provided with and upper ring gear on pedestal
Intermeshing second motor shaft of outer gear ring, upper ring gear upper end is installed rack gear flange, is installed at outer gear ring flange middle-end
There is bearing, which is fixedly connected with output shaft, and it is provided with output rotation axis on cover board and holds, the lower end surface cover of outer gear ring flange sleeve
On output rotation axis is held, the second sun gear, the second sun gear gear ring, upper ring gear, the second motor shaft are successively engaged in formation
Collateral line planetary drive system.
Further, concentric different size of bearing is installed, which, which is located at, sets between upper ring gear and lower ring gear
Set the inner end of the gear ring flange between upper ring gear and lower ring gear.
Further, which is equipped with no less than one, and each collateral line motor corresponding add is equipped with a collateral line
Planetary drive system.
Further, output shaft and uplink carrier are integrally machined molding.
Further, integrally formed upper planet is machined on the lower end of the uplink carrier and both downlink carrier
Frame fixed link, downlink carrier fixed link are cased with the first solar wheeling tooth in uplink carrier fixed link, downlink carrier fixed link respectively
Circle, the second sun gear gear ring.
Further, gear ring flange is mounted between upper ring gear and lower ring gear, between lower ring gear and pedestal.
A kind of more motors series connection stepless variable engines disclosed by the invention, have the advantages that general single motor
Efficiency operation area it is all narrow, diameter large inertia is just big, starts and stops that there are many waste, and many energy do not maximize benefit
With more motor gear box can solve the problems, such as this；Two or more energy conservation small machines are integrated into a gearbox, using every
The most efficient velocity shooting of a motor recycles the efficacious workaround of more motors by gear ratio, plays motor energy efficiency ratio most
Good characteristic realizes maximally utilizing for energy, finally by advanced intelligence software can arbitrarily control one group of motor of start and stop or
Several motors, realization need to be controlled efficiently using energy saving purpose by dividing, and finally realize energy conservation and environmental protection purpose.
The technical feature is to use linear irregularity acceleration, and pause and transition in rhythm or melody of not shifting gears, energy-saving environmental protection is particularly adapted to
Smart new energy automobile；It is to be mounted side by side that motor, which installs and designs mode, can also be changed according to automobile installation dimension and be combined into three
Angle, spiral, with one heart the forms installation such as opposed；Need to design 2 motors of combination, 3 motors, 4 motors, 5 motors or more according to vehicle
Motor；2 motors have 3 kinds of start and stop combinations, and 3 motors have 9 kinds of start and stop combinations, and 4 motors have 16 kinds of start and stop combinations, 5 electricity
Machine has 25 kinds of start and stop combinations；It controls with control software realization, is controlled one by one counterclockwise one by one clockwise, centre is to two sections or two sections
It is controlled one by one to the sequence such as centre, can realize that racing car mode, economic model are relaxed according to control different characteristics coding use
Suitable mode, the switching such as intelligent mode.
The present invention develops combination
1, energy-efficient hollow-cup motor+series coupled infinitely variable transmission+control card and driving driving+automatically controlled software=more
Motor series connection stepless variable engine, DC driven is main to consider underloading, and comfort requires height, application to volume and weight
2.5 tons of high-performance cars below, SUV, MPV etc.；
2, energy-efficient switch magnetic group motor+series coupled infinitely variable transmission+control card and driving+automatically controlled software=mostly electric
Machine is connected stepless variable engine, and exchange driving, main to consider that power is big, load-carrying is more, is climbed stronger, small using 2.5 tons or more
Lorry, truck, long trailer, car and military armor vehicle etc..
Detailed description of the invention
Fig. 1 is full perspective view of the explosion of the invention.
Fig. 2 is overall structure diagram of the invention.
Fig. 3 is the structural schematic diagram that Fig. 2 removes outer shield.
Fig. 4 is that schematic diagram is sat in the internal structure connection of Fig. 3.
Fig. 5 is the structural schematic diagram of gear ring flange.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:
As shown in Fig. 1 to 5, a kind of more motors series connection stepless variable engines provided by the invention, including pedestal 1, upper cover
The both ends three that plate 11, outer shield 10, pedestal 1 and upper cover plate 11 are separately mounted to outer shield 10 forms accommodating cavity, upper cover plate 11
On be provided with output shaft 2 as output end, the main axis system for driving the output shaft and many is provided in accommodating cavity
In two collateral line planetary drive systems；
Main axis system includes the downlink carrier 13 being coaxially disposed, the uplink carrier 14 for being fixed with above-mentioned output shaft, position
The first sun gear 3 below downlink carrier and the second sun gear 4 being mounted at downlink carrier upper end, the first sun gear 3
Lower end is provided with rotation axis, which is arranged in 1 inner cavity of pedestal, and the collateral line planetary drive system includes upper collateral line row
Star system and lower collateral line planetary system, lower collateral line planetary system include being mounted at the lower side end of downlink carrier and the first sun gear
Intermeshing first sun gear gear ring 41, with the intermeshing lower ring gear 5 in 41 outer ring of the first sun gear gear ring and under
The intermeshing first motor axis 7 of ring gear 5 is provided with the first bearing 71, first for being mounted on upper cover plate on first motor axis 7
Gear 72, lower 5 appearance end of ring gear are also equipped with the external tooth 51 being meshed with first gear 72, which is mounted on tooth
It encloses between flange 12 and downlink carrier 13, first motor axis 7 is fixed on the base.Upper collateral line planetary system includes being mounted on uplink
14 side end of carrier and the intermeshing second sun gear gear ring of the second sun gear, with the second sun gear gear ring is intermeshing has
The upper ring gear 6 of outer gear ring 61 and with intermeshing second motor shaft 8 of outer gear ring 61, the second motor shaft 8 include be mounted on
Second bearing 82 at upper cover plate, the second gear 81 being meshed with upper ring gear 6, the second motor shaft are mounted on the base.On
Rack gear flange is installed, title is gear ring flange seat 12, upper ring gear and lower ring gear on Fig. 5 between ring gear and lower ring gear
Between, between lower ring gear and pedestal be mounted on gear ring flange, this is one of key Design technology, wherein uplink carrier with
Gear ring flange 12 is fixed on upper ring gear 6, lower ring gear 5 on concentric circles by it between upper cover plate, can be sun gear
Power and speed are added on planet carrier with outer gear ring；As soon as each seat matches inside and outside bearing 120, every two motor has a pair of of external tooth
Enclose flange seat.120 overall diameter of outer gear ring flange is covered to be held above 9 in quick-fried output rotation axis, and output rotation axis holds 9 and covered again in upper cover plate
In 11.
Title on Fig. 4: outer gear ring flange seat, this is one of key Design technology, and outer gear ring is fixed on together by him
On heart circle, sun gear and outer gear ring can be added to power and speed on planet carrier；Each seat matches an inside and outside bearing 345, often
Two motors just have a pair of of outer gear ring method.
In order to reinforce fastness and practicability, it is respectively mounted between downlink carrier and pedestal, between uplink carrier and upper cover plate
There is flange.Further, it is machined on integrally formed on the lower end of 13 the two of the uplink carrier 14 and downlink carrier
Planet carrier fixed link 140, downlink carrier fixed link 130 are covered respectively in uplink carrier fixed link 140,130 fixed link of downlink carrier
There are the first sun gear gear ring 41, the second sun gear gear ring.
The motor cabinet for installing motor is provided with below pedestal, motor cabinet includes the main electricity of driving spindle rotation system
The collateral line motor that machine, driving collateral line planetary drive system are run, the collateral line motor are equipped with no less than one, and each collateral line motor is equal
It is correspondingly arranged on a collateral line planetary drive system, in order to provide accuracy rate, output shaft and uplink carrier are integrally machined molding.
Further, concentric different size bearing is installed, which is located between upper ring gear and lower ring gear
The inner end of flange between upper ring gear and lower ring gear is set.
Type selecting motor technology explanation of the present invention
More motors series connection stepless variable engine that the present invention designs is further described: selecting drag cup motor
Advantage: first is that energy-efficient.Motor power factor is high, no iron loss, without magnetic damping, and efficiency is greatly improved:
1, drag cup motor low pressure can start: small drag cup motor 1V just starts, and 3-5V voltage and current reaches
0.5mA；
2, it high-low temperature resistant: can all be worked normally under the low temperature condition of 40 degrees below zero；
3, energy conversion efficiency is very high: for its maximal efficiency generally 80% or more, portioned product can reach 95% or more (iron core
Motor is generally in 50-80%) the same iron core motor ratio of this parameter just can save energy 10% -30%；
4, control sensitive: start, braking rapidly, response is exceedingly fast, and for mechanical time constant less than 28 milliseconds, portioned product can be with
Reach within 10 milliseconds (iron core motors are generally at 100 milliseconds or more) easily sensitively to adjust revolving speed；
5, dragging is stable, and very reliably, the fluctuation very little of revolving speed, as micromotor, its fluctuation of speed can be light
Easy control is within 2%；
6, small in size, the energy density of drag cup motor significantly improves, compared with the iron core motors of Same Efficieney,
Iron-core-free, weight, volume mitigate half.80% steel, 100% silicon steel sheet, 50% copper material can be saved；
7, energy efficiency is improved, in the application with storage battery power supply, hollow-cup motor design can also extend equipment
Service life is by about one time；
8, the two type selecting parameter of electric machine compares:
A, efficient core motor, 10KW, 6000 revs/min, specified torsion 16.99Nm output, diameter 110MM, length
220MM, 10 KG of volume weight, the 3 motors total weight after assembly that is together in series maintain an equal level compared with petrol engine weight；
B, efficient switch magnetic group motor, 10KW are 6000 revs/min, specified torsion 31Nm, volume diameter 220MM, long
331MM, volume weight 40KG；
9 but drag cup motor it is defective, be exactly difficult to do bigger power requirements, it is generally outer straight at 10 to 110 millimeters
Diameter, power is not big enough, and middle low speed does not have advantage, is presently used only on unmanned plane and Medical Devices, too small to be applied to automobile
On equal large-sized powers equipment.
This variable speed box technology solves the problems, such as that high-performance small machine is applied to automobile power, and hollow-cup motor is had
There is the advantages that efficient, low noise, sensitivity are good, the service life is long, small in size, equipped planetary structure series connection case is coupled, realizes true
More motors series connection stepless variable engine of positive meaning.
Energy saving condition of the present invention:
1,10% -30% energy is saved than iron core motor known to the performance data of hollow motor；
2, such as remove efficiency not using the most efficient part of more motor overall travel speeds with 3 motors coupling variable speed box technology
High velocity shooting, then 15% -20% energy can be saved；
3, motor branch condition, point sequence divide power, and isloation state start and stop use and save 10% or so energy again；
If 4, also to count the reduction of volume and weight after engine and battery pack diminution in, then save 2% or so energy；
5, the big data operation of advanced software, vehicle external circumstances, there are also save 5% again with interior situation together operation control
Left and right energy.
Comprehensive this several key technologies can realize made in China automobile as combined domestic Electronic Manufacturing complete sets of Techniques
Technology can be social creativity enormous benefits and wide influence power in the advantage in the whole world.
Although the present invention has been illustrated and described with reference to preferred embodiments, ordinary skill
Personnel are it is to be appreciated that the description that can be not limited to the present embodiment can be made in form and details within the scope of the claims
Various change.
Claims (6)
- The stepless variable engine 1. a kind of super more motors are connected, it is characterised in that: including pedestal, upper cover plate, outer shield, pedestal The both ends three for being separately mounted to outer shield with upper cover plate forms accommodating cavity, and the output as output end is provided on upper cover plate Axis is provided with the main axis system and no less than one collateral line planetary drive system for driving the output shaft in accommodating cavity, The motor cabinet for installing motor is provided with below pedestal, motor cabinet includes the main motor of driving spindle rotation system, driving The collateral line motor of collateral line planetary drive system operation；The main motor, collateral line motor are using drag cup motor or switching magnetic-resistance electricity Machine or permanent magnetism amorphous synchronous motor are one of；The downlink carrier of coaxial arrangement, the uplink carrier for being fixed with above-mentioned output shaft, gear ring flange, first are installed in accommodating cavity Sun gear, the first sun gear have the rotation axis that base intracavity is arranged in, and the first sun gear is arranged at the lower end of downlink carrier, And the lower side end of downlink carrier be fixed with the intermeshing first sun gear gear ring of the first sun gear, outside the first sun gear gear ring It is provided on circle face and is mounted on gear ring flange and downlink with its intermeshing lower ring gear with outer gear ring, the lower ring gear It is additionally provided between carrier, on pedestal and the intermeshing first motor axis of the outer gear ring of lower ring gear, the setting of first motor axis In accommodating cavity between pedestal and upper cover plate, the first sun gear, the first sun gear gear ring, lower ring gear, first motor axis according to Secondary engagement forms lower collateral line planetary drive system, and the upper end of the downlink carrier is equipped with the positioned at uplink carrier lower end Two sun gears, uplink carrier side end are fixed with and the intermeshing second sun gear gear ring of the second sun gear, the second solar wheeling tooth Circle outer end be provided with its intermeshing upper ring gear with outer gear ring, the external tooth with upper ring gear is additionally provided on pedestal Intermeshing second motor shaft is enclosed, upper ring gear upper end installs rack gear flange, is equipped with bearing at gear ring flange middle-end, should Bearing is fixedly connected with output shaft, and output rotation axis is provided on upper cover plate and is held, and the lower end surface of gear ring flange sleeve is placed on output and turns On dynamic bearing, the second sun gear, the second sun gear gear ring, upper ring gear, the second motor shaft successively engage the upper collateral line planet of formation Drive system.
- The stepless variable engine 2. the super more motors of one kind according to claim 1 are connected, it is characterised in that: upper ring gear Concentric different size of bearing is installed between lower ring gear, which, which is located at, is arranged between upper ring gear and lower ring gear Gear ring flange inner end.
- The stepless variable engine 3. the super more motors of one kind according to claim 1 or 2 are connected, it is characterised in that: by this It is that motor is equipped with no less than one, each collateral line motor corresponding add is equipped with a collateral line planetary drive system.
- The stepless variable engines 4. the super more motors of one kind according to claim 3 are connected, it is characterised in that: output shaft with Uplink carrier is integrally machined molding.
- The stepless variable engine 5. the super more motors of one kind according to claim 4 are connected, it is characterised in that: described is upper It is machined with integrally formed uplink carrier fixed link, downlink carrier fixed link on the lower end of both planet carrier and downlink carrier, The first sun gear gear ring, the second sun gear gear ring are cased in uplink carrier fixed link, downlink carrier fixed link respectively.
- The stepless variable engine 6. the super more motors of one kind according to claim 5 are connected, it is characterised in that: upper ring gear Gear ring flange is mounted between lower ring gear, between lower ring gear and pedestal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610661942 | 2016-08-15 | ||
| CN2016106619423 | 2016-08-15 |
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| Publication Number | Publication Date |
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| CN106515408A CN106515408A (en) | 2017-03-22 |
| CN106515408B true CN106515408B (en) | 2019-03-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250132A (en) * | 2017-07-13 | 2019-01-22 | 潘素云 | A kind of speed change gear for unmanned plane propeller |
| CN107685828B (en) * | 2017-09-19 | 2023-03-24 | 八方电气(苏州)股份有限公司 | Stepless speed change transmission device for electric bicycle |
| CN107769411B (en) * | 2017-10-10 | 2019-12-13 | 抚顺三平科技开发有限公司 | High-power-density reluctance motor |
| CN110775880B (en) * | 2019-10-30 | 2020-11-27 | 常州优尔佳业包装有限公司 | Clamping and transporting mechanism based on packaging carton |
| CN111409837A (en) * | 2020-04-28 | 2020-07-14 | 深圳市三庆新能源科技有限公司 | Hybrid power driving device and unmanned aerial vehicle |
| CN111490631B (en) * | 2020-04-29 | 2022-01-04 | 浙江中车尚驰电气有限公司 | Flat type new energy automobile efficient motor |
| CN113757317A (en) * | 2021-10-25 | 2021-12-07 | 索特传动设备有限公司 | Speed reducer, electric drive assembly and trucd mixer |
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| US7070530B2 (en) * | 2003-08-26 | 2006-07-04 | The Timken Company | Method and apparatus for power flow management in electro-mechanical transmissions |
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|---|---|---|---|---|
| CN203442054U (en) * | 2013-07-11 | 2014-02-19 | 中信重工机械股份有限公司 | Multi-motor-driven planet gear speed reducer for large-scale hoister |
| CN104417340A (en) * | 2013-08-27 | 2015-03-18 | 山推工程机械股份有限公司 | Hybrid power vehicle and drive motor system thereof |
| CN103481774A (en) * | 2013-10-21 | 2014-01-01 | 哈尔滨工业大学 | Radial parallel type multi-motor driving device |
| CN206344673U (en) * | 2016-08-15 | 2017-07-21 | 深圳市万维博新能源技术有限公司 | A kind of super many motor series connection stepless variable engines |
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