CN107542863A - Three planet row hybrid power two-shift automatic speed variator assemblies - Google Patents
Three planet row hybrid power two-shift automatic speed variator assemblies Download PDFInfo
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- CN107542863A CN107542863A CN201710768552.0A CN201710768552A CN107542863A CN 107542863 A CN107542863 A CN 107542863A CN 201710768552 A CN201710768552 A CN 201710768552A CN 107542863 A CN107542863 A CN 107542863A
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- gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The present invention relates to a kind of three planet row hybrid power two-shift automatic speed variator assemblies, including housing, input shaft, output shaft, input shaft is used for connecting power device, the rotating shaft of output shaft and auxiliary drive motor is circumferentially fixed, first gear ring, the second gear ring, the 3rd gear ring are set in housing, the first sun gear is connected firmly on input shaft, the first sun gear engages with the first planetary gear, and the first planetary gear engages with the first gear ring；The second sun gear is connected firmly on output shaft, second sun gear engages with the second planetary gear, second planetary gear and the first planetary gear are supported on the first revolving planet frame, second planetary gear engages with the internal tooth of the second gear ring, the external tooth of second gear ring engages with the first shifting element set on housing, and the second gear ring is movable gear ring；The 3rd sun gear is fixedly connected with output shaft, the 3rd sun gear engages with the third line star-wheel, and the third line star-wheel engages with the internal tooth of the 3rd gear ring, and the external tooth of the 3rd gear ring engages with the second shifting element set on housing.
Description
Technical field
The present invention relates to a kind of automotive transmission, and in particular to a kind of three planet row hybrid power two-shift automatic speed variators are total
Into.
Background technology
New energy vehicle technology mainly has two kinds of pure electric automobile and hybrid vehicle in the market.Hybrid power electricity
Driven by power is combined by electrical automobile with traditional internal combustion engine driving, i.e., using generator, motor and engine driving, power
Driving wheel of vehicle is passed to through speed changer.Mixed power electric car generally uses multiaxial type ordinary gear gearbox, traditional
Power transmission is engaged by multipair gear in ordinary gear speed changer, force unbalance, and the amount of deflection of gear and gear shaft is big,
Noise is big, and is not suitable with the rotation of high speed, and otherwise unstable, noise is big.The battery of new energy vehicle account for sizable space,
So as to cause the space very little that dynamical system is installed, because traditional ordinary gear speed changer is using multiaxial type arrangement, pacify on axle
Equipped with the shifting element for transverse shifting gear, therefore the volume of traditional ordinary gear speed changer is larger, with new energy vehicle compared with
Hardly possible adaptation, the slippage of speed changer is excessive, influences the layout and performance of vehicle.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of three planet row hybrid power two-gear automatic speed changings
Device assembly, it is simple and reliable for structure, small volume, and stable movement, shock resistance and vibration ability are strong, long lifespan, moreover it is possible to reduce vehicle
The energy consumption of dynamical system.
The object of the present invention is achieved like this：A kind of three planet row hybrid power two-shift automatic speed variator assemblies, including
Housing, input shaft, output shaft, the input shaft are located on same axial line with output shaft, and two axles are not attached to, and the input shaft is used
In connecting power device, the rotating shaft of the output shaft and auxiliary drive motor is circumferentially fixed, the housing interior edge output shaft axis
Direction sets gradually the first gear ring, the second gear ring, the 3rd gear ring, and the axis of three gear rings overlaps with the axis of output shaft, described
The first sun gear is connected firmly on input shaft, the first sun gear engages with the first planetary gear, and first planetary gear passes through pin bearing
In on the first revolving planet frame, first planetary gear engages with the first gear ring fixed in housing；
The second sun gear is connected firmly on the output shaft, the second sun gear engages with the second planetary gear, second planetary gear and
With pin bearing on the first revolving planet frame, second planetary gear engages one planetary gear with the internal tooth of the second gear ring, described
The external tooth of second gear ring engages with the first shifting element set on housing, and second gear ring is movable gear ring；
The 3rd sun gear is fixedly connected with the output shaft, the 3rd sun gear engages with the third line star-wheel, and the third line star-wheel leads to
Pin bearing is crossed on the second revolving planet frame, the third line star-wheel engages with the internal tooth of the 3rd gear ring, second rotation
Planet carrier is provided with external tooth, and the external tooth engages with internal tooth on the second gear ring, is set on the external tooth and housing of the 3rd gear ring
Second shifting element engages, and the 3rd gear ring is movable gear ring.
The first revolving planet frame is supported in the axle sleeve set in housing by bearing, the second revolving planet frame
It is supported on by bearing in the axle sleeve set in housing, the first revolving planet frame and the second revolving planet frame pass through the second axle
Hold rotatable docking.
The first revolving planet frame is supported on input shaft by clutch shaft bearing, and the first revolving planet frame passes through
Three bearings are supported on output shaft, and the first revolving planet frame is rotatably right by second bearing with the second revolving planet frame
Connect.
First planetary gear, the second planetary gear, the third line star-wheel are respectively provided with three, and respectively 360 degree.
First shifting element, the second shifting element are friction clutch.
First shifting element, the second shifting element are brake.
The power set are engine.
The power set are motor.
Using such scheme, the input shaft is located on same axial line with output shaft, and two axles are not attached to, the input shaft
For connecting power device, the rotating shaft of the output shaft and auxiliary drive motor is circumferentially fixed, the housing interior edge output shaft axle
Line direction sets gradually the first gear ring, the second gear ring, the 3rd gear ring, and the axis of three gear rings overlaps with the axis of output shaft, institute
State and the first sun gear is connected firmly on input shaft, the first sun gear engages with the first planetary gear, and first planetary gear passes through bearing pin branch
Hold on the first revolving planet frame, first planetary gear engages with the first gear ring fixed in housing；It is solid on the output shaft
Join the second sun gear, the second sun gear engages with the second planetary gear, the same pin bearing of second planetary gear and the first planetary gear
In on the first revolving planet frame, second planetary gear engages with the internal tooth of the second gear ring, the external tooth and shell of second gear ring
The the first shifting element engagement set on body, second gear ring is movable gear ring；The 3rd sun is fixedly connected with the output shaft
Wheel, the 3rd sun gear engages with the third line star-wheel, the third line star-wheel by pin bearing on the second revolving planet frame, institute
The internal tooth that the third line star-wheel is stated with the 3rd gear ring engages, and the second revolving planet frame is provided with external tooth, the external tooth and the second tooth
Internal tooth engages on circle, and the external tooth of the 3rd gear ring engages with the second shifting element set on housing, and the 3rd gear ring is
Movable gear ring.First sun gear, the first planetary gear, the first revolving planet frame, the first gear ring composition first order planet row, institute
State the second sun gear, the second planetary gear, the first revolving planet frame, the second gear ring composition second level planet row, the 3rd sun
Wheel, the third line star-wheel, the second revolving planet frame, the 3rd gear ring composition third level planet row, third-level planetary row's one planet of composition become
Fast mechanism, power is realized by first order planet row to slow down, and power realizes speedup by second level planet row, and power passes through the 3rd
Level planet row realizes speedup.Power realizes primary speed-down by first order planet row first, when shifting element is to the second gear ring system
When dynamic, the input of the first revolving planet frame, the output of the second sun gear, form one group of speed increasing mechanism, power leads in the planet row of the second level
Cross first order planet row, second level planet row realizes that a gear is driven.When the external tooth of the second gear ring separates with the first shifting element,
One shifting element can not fix the second gear ring, because the internal tooth of the second gear ring engages with the external tooth of the second planet carrier, the second tooth
Circle drives the second planet carrier to rotate, and when the second shifting element engages to the 3rd gear ring, power passes through first order planet row, the second level
Planet row, third level planet row realize that two gears are driven.When the external tooth of the second gear ring separates with the first shifting element, the 3rd gear ring
External tooth separates with the second shifting element, the whole unpowered output of planet speed change mechanism.Three planet row hybrid powers two keep off automatic change
Auxiliary drive motor can be combined by fast device assembly with the driving of power set, you can using power set and process auxiliary drive electricity
Two kinds of drive patterns of machine or power set, the power of power set ensure basic motive required during automobile normal running,
The being short of power when starting of auxiliary drive motor compensation power, idling, due to there is the auxiliary of auxiliary drive motor, it is possible to drop
Low dynamics plant energy consumption, compare conventional engine, and energy consumption is lower.During full speed work simultaneously to improve power output, so as to reaching
To high power, and energy-saving purpose.Planetary Gear Transmission is a kind of normal engaged transmission, and its shift transformation is not to pass through shifting
Moving gear feeds them into engagement or separation engagement, and its gear ratio change can separate or engage and easily real by shifting element
It is existing, it is particularly conducive to realize power shifting or self shifter.Two gearshift executive components are by certain rule to planetary gear machine
The gear ring braking of structure, it is not necessary to carry out transverse shifting gear, planetary gears can be allowed to obtain different gearratios, so as to realize
The conversion of each gear, speed changer axial length can be shortened while meet the needs of vehicle is to more gear speed transmissions.Three planet rows mix
It is close coupled type drive mechanism to close power two-shift automatic speed variator assembly, compared with conventional multi-axis formula speed changer, can be obviously reduced change
The size of fast device.Because Planetary Gear Transmission is using multi point engagement transmission, therefore small gear die can be used when transmitting same torque
Number, so as to which size is small, in light weight.In addition, the symmetry of multi point engagement, not only makes balanced radial force, and make stable movement, anti-impact
Hit and vibration ability is strong, long lifespan.Using said structure, gearratio can be changed, meet need of the different driving conditions to tractive force
Will, power set is operated in as far as possible under favourable operating mode, meet possible travel speed requirement.In interior change vapour in a big way
The size of moment of torsion in the size and automobile driving wheel of car travel speed.Realize that interrupting power passes when shifting element is separated or engaged
Pass, started in engine, idle running, power transmission can be interrupted during automobile gear shift.
First planetary gear, the second planetary gear, the third line star-wheel are respectively provided with three, and respectively 360 degree.Planetary gear is consolidated
Determine structure and form triangle, each tooth uniform stressed simultaneously, transmission balance, noise is small, because transmission power it is scattered, avoid defeated
Enter the stress deformation of axle, output shaft in transmission process.
First shifting element, the second shifting element are friction clutch, are realized by the engagement and disengaging of clutch
The fixation and rotation of second gear ring, the 3rd gear ring.
First shifting element, the second shifting element are brake, and second is realized by the braking and disengaging of brake
The fixation and rotation of gear ring, the 3rd gear ring.
The power set are motor, and the small volume of motor, rotating speed is high, power is small, and the power of high-speed electric expreess locomotive output is through three
Big output torque is obtained after planet row hybrid power two-shift automatic speed variator assembly, automobile is obtained required power and speed
Degree.
Using foregoing invention, it is simple and reliable for structure, small volume, and stable movement, shock resistance and vibration ability are strong, the life-span
It is long, moreover it is possible to reduce the energy consumption of automotive power.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In accompanying drawing, 1 is input shaft, and 2 be clutch shaft bearing, and 3 be the first sun gear, and 4 be clutch shaft bearing, and 5 be the second sun gear,
6 be second bearing, and 7 be the 3rd sun gear, and 8 be 3rd bearing, and 9 be output shaft, and 10 be the second shifting element, and 11 be third planet
Wheel, 17 be the first gear ring, and 13 be the second revolving planet frame, and 14 be the first shifting element, and 15 be the second gear ring, and 16 be the second planet
Wheel, 12 be the 3rd gear ring, and 18 be the first planetary gear, and 19 be the first revolving planet frame, and 20 be power set, and 21 be process auxiliary drive electricity
Machine.
Embodiment
Referring to the drawings, specific embodiments of the present invention be will be described in.
Referring to Fig. 1, a kind of embodiment of three planet row hybrid power two-shift automatic speed variator assemblies, three planet rows mixing is moved
Power two-shift automatic speed variator assembly, including housing, input shaft 1, output shaft 9, the input shaft 1 are located at same axle with output shaft 9
On heart line, two axles are not attached to, and the input shaft 1 is used for connecting power device 20, and the power set 20 can be engine, are used
Engine is as power set, engine and auxiliary drive motor composition dynamical system, the dynamical system, fuel-economy performance
Height, and driving performance is superior, in starting, acceleration, due to there is the auxiliary of auxiliary drive motor 21, it is possible to reduce oil
Consumption, compared with the power set of alone engine, fuel cost is lower.The power set 20 or motor, the body of motor
Product is small, rotating speed is high, power is small, and the power of high-speed electric expreess locomotive output obtains after three planet row hybrid power two-shift automatic speed variator assemblies
Output torque greatly is obtained, automobile is obtained required power and speed.The rotating shaft week of the output shaft 9 and auxiliary drive motor 21
To fixation, the axis direction of housing interior edge output shaft 9 sets gradually the first gear ring 17, the second gear ring 15, the 3rd gear ring 12, and three
The axis of individual gear ring is overlapped with the axis of output shaft 9, and the first sun gear 3, the first sun gear 3 and are connected firmly on the input shaft 1
One planetary gear 18 engages, and by pin bearing on the first revolving planet frame 19, described first rotates first planetary gear 18
Planet carrier 19 can be supported in the axle sleeve set in housing by bearing.The first revolving planet frame 19 can also pass through first axle
2 are held to be supported on input shaft 1.First planetary gear 18 engages with the first gear ring 17 fixed in housing.
The second sun gear 5 is connected firmly on the output shaft 9, the second sun gear 5 engages with the second planetary gear 16, second row
The planetary gear 18 of star-wheel 16 and first with pin bearing on the first revolving planet frame 19, the gear ring of the second planetary gear 16 and second
15 internal tooth engagement, the external tooth of second gear ring 15 engage with the first shifting element 14 set on housing, and described first changes
It can be friction clutch to keep off element 14, and the fixation of the second gear ring 15, the 3rd gear ring 12 is realized by the engagement and disengaging of clutch
And rotation.First shifting element 14 or brake, the second gear ring 15 is realized by the braking and disengaging of brake
Fixed and rotation.It is movable gear ring when the disengaging brake of the second gear ring 15 or clutch.
The 3rd sun gear 7 is fixedly connected with the output shaft 9, the 3rd sun gear 7 engages with the third line star-wheel 11, and the described 3rd
For planetary gear 11 by pin bearing on the second revolving planet frame 13, the second revolving planet frame 13 is supported on shell by bearing
In the axle sleeve set in vivo, the first revolving planet frame 19 and the second revolving planet frame 13 are rotatable by second bearing 6
Docking.The second revolving planet frame 13 can be also supported on output shaft 9 by 3rd bearing 8, the first revolving planet frame
19 are rotatably docked with the second revolving planet frame 13 by second bearing 6.The second revolving planet frame 13 is provided with external tooth,
The external tooth engages with internal tooth on the second gear ring 15.The third line star-wheel 11 engages with the internal tooth of the 3rd gear ring 12, and described second
Shifting element 10 can be friction clutch, realize that the second gear ring 15, the 3rd gear ring 12 are consolidated by the engagement and disengaging of clutch
Fixed and rotation.Second shifting element 10 or brake, by the braking and disengaging of brake realize the second gear ring 15,
The fixation and rotation of 3rd gear ring 12.The external tooth of 3rd gear ring 12 engages with the second shifting element 10 set on housing,
It is movable gear ring when the 3rd gear ring 12 disengaging brake or clutch.First planetary gear 18, the second planetary gear 16,
The third line star-wheel 11 is respectively provided with three, and respectively 360 degree, and the fixed structure of planetary gear forms triangle, each tooth simultaneously uniformly by
Power, transmission balance, noise is small, because transmission power it is scattered, avoid stress deformation of the input shaft 1 in transmission process.
When entering action edge transmission using such scheme, first sun gear 3, the first planetary gear 18, the first revolving planet
Frame 19, the first gear ring 17 composition first order planet row, second sun gear 5, the second planetary gear 16, the first revolving planet frame
19th, the second gear ring 15 composition second level planet row, the 3rd sun gear 7, the third line star-wheel 11, the second revolving planet frame 13,
3rd gear ring 12 forms third level planet row, and three planet rows form a planet speed change mechanism, and power is real by first order planet row
Now slow down, power realizes speedup by second level planet row, and power realizes speedup by third level planet row.Power passes through first
First order planet row realizes primary speed-down, when the second shifting element 14 is braked to the second gear ring 15, in the planet row of the second level
One revolving planet frame 19 inputs, the second sun gear 5 exports, and forms one group of speed increasing mechanism, and power passes through first order planet row, second
Level planet row realizes that a gear is driven.When the external tooth of the second gear ring 15 separates with the first shifting element 14, the first shifting element 14 is not
Second gear ring 15 can be fixed, because the external tooth that the second revolving planet frame 13 is provided with and internal tooth on the second gear ring 15 are nibbled
Close, the second gear ring 15 drives the second revolving planet frame 13 to rotate, and when the second shifting element engages to the 3rd gear ring 12, power passes through
First order planet row, second level planet row, third level planet row realize that two gears are driven.When the external tooth of the second gear ring 15 changes with first
Element 14 separates gear, the external tooth of the 3rd gear ring 12 separates with the second shifting element 10, the whole unpowered output of planet speed change mechanism,
For neutral position state.
Claims (8)
1. a kind of three planet row hybrid power two-shift automatic speed variator assemblies, including housing, input shaft（1）, output shaft（9）, its
It is characterised by：The input shaft（1）With output shaft（9）On same axial line, two axles are not attached to, the input shaft（1）With
In connecting power device, the output shaft（9）With auxiliary drive motor（21）Rotating shaft it is circumferentially fixed, housing interior edge output
Axle（9）Axis direction sets gradually the first gear ring（17）, the second gear ring（15）, the 3rd gear ring（12）, the axis of three gear rings with
Output shaft（9）Axis overlap, the input shaft（1）On connect firmly the first sun gear（3）, the first sun gear（3）With the first planet
Wheel（18）Engagement, first planetary gear（18）By pin bearing in the first revolving planet frame（19）On, first planet
Wheel（18）With the first gear ring fixed in housing（17）Engagement；
The output shaft（9）On connect firmly the second sun gear（5）, the second sun gear（5）With the second planetary gear（16）Engagement, described the
Two planetary gears（16）With the first planetary gear（18）With pin bearing in the first revolving planet frame（19）On, second planetary gear
（16）With the second gear ring（15）Internal tooth engagement, second gear ring（15）External tooth and housing on the first shifting element for setting
（14）Engagement, second gear ring（15）For movable gear ring；
The output shaft（9）On be fixedly connected with the 3rd sun gear（7）, the 3rd sun gear（7）With the third line star-wheel（11）Engagement, it is described
The third line star-wheel（11）By pin bearing in the second revolving planet frame（13）On, the third line star-wheel（11）With the 3rd gear ring
（12）Internal tooth engagement, the second revolving planet frame（13）It is provided with external tooth, the external tooth and the second gear ring（15）Upper internal tooth is nibbled
Close, the 3rd gear ring（12）External tooth and housing on the second shifting element for setting（10）Engagement, the 3rd gear ring（12）
For movable gear ring.
2. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：Described
One revolving planet frame（19）It is supported on by bearing in the axle sleeve set in housing, the second revolving planet frame（13）Pass through axle
Hold in the axle sleeve for being supported on and being set in housing, the first revolving planet frame（19）With the second revolving planet frame（13）Pass through second
Bearing（6）Rotatable docking.
3. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：Described
One revolving planet frame（19）Pass through clutch shaft bearing（2）It is supported on input shaft（1）On, the second revolving planet frame（13）Pass through
Three bearings（8）It is supported on output shaft（9）On, the first revolving planet frame（19）With the second revolving planet frame（13）Pass through second
Bearing（6）Rotatable docking.
4. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：Described
One planetary gear（18）, the second planetary gear（16）, the third line star-wheel（11）It is respectively provided with three, and respectively 360 degree.
5. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：Described
One shifting element（14）, the second shifting element（10）For friction clutch.
6. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：Described
One shifting element（14）, the second shifting element（10）For brake.
7. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：It is described dynamic
Power apparatus（20）For engine.
8. three planet rows hybrid power two-shift automatic speed variator assembly according to claim 1, it is characterised in that：It is described dynamic
Power apparatus（20）For motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768552.0A CN107542863B (en) | 2017-08-31 | 2017-08-31 | Three-planetary-row hybrid power two-gear automatic transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768552.0A CN107542863B (en) | 2017-08-31 | 2017-08-31 | Three-planetary-row hybrid power two-gear automatic transmission assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107542863A true CN107542863A (en) | 2018-01-05 |
| CN107542863B CN107542863B (en) | 2023-06-30 |
Family
ID=60959053
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710768552.0A Active CN107542863B (en) | 2017-08-31 | 2017-08-31 | Three-planetary-row hybrid power two-gear automatic transmission assembly |
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| CN (1) | CN107542863B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071757A (en) * | 2018-01-26 | 2018-05-25 | 施照军 | A kind of six fast gear-boxes of electric drill |
| CN109185402A (en) * | 2018-09-28 | 2019-01-11 | 江苏荣圣汽车零部件有限公司 | One shaft type two-stage multi gear planetary transmission |
| CN110667367A (en) * | 2018-07-02 | 2020-01-10 | 上海汽车集团股份有限公司 | Vehicle and power transmission system thereof |
| CN114909444A (en) * | 2021-10-19 | 2022-08-16 | 天津旗领机电科技有限公司 | Planetary transmission for electric automobile |
| CN118499423A (en) * | 2024-06-11 | 2024-08-16 | 广西大学 | A planetary gear type three-speed transmission for new energy vehicles |
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| JPH01320355A (en) * | 1988-06-18 | 1989-12-26 | Toyota Motor Corp | Speed changer of planetary gear type for vehicle |
| DE10162873A1 (en) * | 2001-12-20 | 2003-07-24 | Zahnradfabrik Friedrichshafen | Multi-step automatic planetary reduction gearbox for a motor vehicle has drive and driven shafts, single-link planet sets, rotary shafts and gearshift devices. |
| US20070054772A1 (en) * | 2005-09-07 | 2007-03-08 | Hyu Tae Shim | Seven-speed powertrain of an automatic transmission for a vehicle |
| CN102767595A (en) * | 2011-05-04 | 2012-11-07 | 汤科儿 | Three-way direct-driving planetary gear continuously variable transmission |
| CN105351462A (en) * | 2015-11-24 | 2016-02-24 | 山推工程机械股份有限公司 | Transmission for bulldozer |
| CN105546073A (en) * | 2016-01-22 | 2016-05-04 | 吉林大学 | Electric drive system based on two-stage planetary line two-shift transmission |
| DE102015209144A1 (en) * | 2015-05-19 | 2016-11-24 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| CN207364199U (en) * | 2017-08-31 | 2018-05-15 | 綦江齿轮传动有限公司 | Three planet row hybrid power two-speed automatic transmission assemblies |
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| JPH01320355A (en) * | 1988-06-18 | 1989-12-26 | Toyota Motor Corp | Speed changer of planetary gear type for vehicle |
| DE10162873A1 (en) * | 2001-12-20 | 2003-07-24 | Zahnradfabrik Friedrichshafen | Multi-step automatic planetary reduction gearbox for a motor vehicle has drive and driven shafts, single-link planet sets, rotary shafts and gearshift devices. |
| US20070054772A1 (en) * | 2005-09-07 | 2007-03-08 | Hyu Tae Shim | Seven-speed powertrain of an automatic transmission for a vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071757A (en) * | 2018-01-26 | 2018-05-25 | 施照军 | A kind of six fast gear-boxes of electric drill |
| CN108071757B (en) * | 2018-01-26 | 2023-12-19 | 施照军 | Six-speed gear box for electric drill |
| CN110667367A (en) * | 2018-07-02 | 2020-01-10 | 上海汽车集团股份有限公司 | Vehicle and power transmission system thereof |
| CN110667367B (en) * | 2018-07-02 | 2021-02-02 | 上海汽车集团股份有限公司 | Vehicle and power transmission system thereof |
| CN109185402A (en) * | 2018-09-28 | 2019-01-11 | 江苏荣圣汽车零部件有限公司 | One shaft type two-stage multi gear planetary transmission |
| CN114909444A (en) * | 2021-10-19 | 2022-08-16 | 天津旗领机电科技有限公司 | Planetary transmission for electric automobile |
| CN118499423A (en) * | 2024-06-11 | 2024-08-16 | 广西大学 | A planetary gear type three-speed transmission for new energy vehicles |
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|---|---|
| CN107542863B (en) | 2023-06-30 |
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