CN109424717A - Two-gear transmission, electric transmission system and electric vehicle - Google Patents
Two-gear transmission, electric transmission system and electric vehicle Download PDFInfo
- Publication number
- CN109424717A CN109424717A CN201810973685.6A CN201810973685A CN109424717A CN 109424717 A CN109424717 A CN 109424717A CN 201810973685 A CN201810973685 A CN 201810973685A CN 109424717 A CN109424717 A CN 109424717A
- Authority
- CN
- China
- Prior art keywords
- gear
- spur gear
- grade
- input shaft
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
-
- 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
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
-
- 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
-
- 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
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
- Power Engineering (AREA)
Abstract
The present invention relates to a kind of two-gear transmissions for electric transmission system, double clutch with input side, the double clutch has first clutch and second clutch, wherein the first clutch is configured for that the first input shaft is made to couple and decouple with electric motor, and wherein the second clutch is configured for that the second input shaft is made to couple and decouple with the electric motor, wherein first input shaft and second input shaft coaxially arrange, wherein second input shaft is hollow shaft, and at least one section for being assigned to the double clutch of first input shaft is comprehensively surrounded by second input shaft；With lucky two gear, wherein the first gear in this two gear has the transmission ratio bigger than the second gear in this two gear, wherein first input shaft is coupled by the first spur gear grade with drive shaft, wherein second input shaft is coupled by the second spur gear grade with the drive shaft, and wherein the drive shaft is coupled by third spur gear grade with the differential mechanism of outlet side.
Description
Technical field
The present invention relates to a kind of two-gear transmission, a kind of electric transmission system and a kind of electric vehicles.
Background technique
Compared with power train traditional, by combustion engine driving, the vehicle of pure electric vehicle driving needs less gear,
Because torque has been provided from stationary state and has the broader range of speeds compared with combustion engine for electric motor.
However, single shift transmission is all inadequate anyway for the vehicle of electric drive.Therefore for example known such pure
The haulage vehicle of electric drive, maximum speed are limited in only 80km/h.
Multi-shifting speed variator has the advantages that bigger vehicle final speed with electric motor collective effect
And the more frequent driving within the scope of the characteristic high efficiency of electric motor.Driving of the electrically powered machine within the scope of high efficiency
So that reaching bigger VMT Vehicle-Miles of Travel in the case where available accumulator capacity is constant.Increasing mileage travelled is pure electric vehicle
One of most important challenge faced in the exploitation of vehicle.
Another challenge is the load shift property of speed changer, because in torque when shifting gears in the vehicle of pure electric vehicle driving
It is disconnected to reduce driver comfort and while this is not desired by end user.
Summary of the invention
In this context, basic technique problems of the invention are: providing a kind of two-gear transmission, a kind of electric transmission
System and a kind of electric vehicle, they at least have been partially solved above-mentioned challenge and especially may be implemented to drive pure electric vehicle
Bigger mileage travelled for dynamic vehicle, higher final speed, the acceleration substantially interrupted without tractive force and in addition to remaining
Operation is also slided except heat utilization.
Above-mentioned technical problem is accordingly by two-gear transmission according to the present invention, electric transmission system, electric vehicle
To solve.Other configurations of the invention are obtained by the following description.
According in a first aspect, the present invention relates to a kind of two-gear transmission for electric transmission system, the two speed transmission band
There is the double clutch of input side, which has first clutch and second clutch, and wherein the first clutch is matched
It is set to for making the first input shaft couple and decouple with electric motor, and wherein the second clutch is configured for making
Two input shafts are coupled and are decoupled with the electric motor, and wherein first input shaft and second input shaft coaxially arrange, wherein
Second input shaft is hollow shaft, and the section for being assigned to the double clutch of at least first input shaft is second defeated by this
Enter axis comprehensively to surround；The two speed transmission is with lucky two gear, and wherein the first gear in this two gear has than in this two gear
The bigger transmission ratio of second gear, wherein first input shaft is coupled with drive shaft by the first spur gear grade, and wherein this is second defeated
Enter axis and coupled with the drive shaft by the second spur gear grade, and wherein the drive shaft passes through third spur gear grade and outlet side
Differential mechanism coupling.
Therefore, two-gear transmission according to the present invention is two gears-double-clutch speed changer, and be can be realized substantially to lead
Mode of the gravitation without interruption come provide by electric motor provide driving power.It can also be real by opening simultaneously two clutches
Now slide operation (Segelbetrieb).In this case, electric motor and drive shaft disconnect.
The compact knot of speed changer may be implemented according to the configuration according to the present invention of the input shaft of jackshaft principle interconnection
Structure mode and the higher flexibility in terms of selecting transmission ratio compared with planetary transmission.
Since speed changer according to the present invention has lucky two gear, the compact and light and handy structure of speed changer can be realized
Mode, to influence the row of the electric vehicle configured with speed changer according to the present invention because of the weight of speed changer as few as possible
Sail mileage.
Therefore, bigger traveling for the vehicle that pure electric vehicle drives may be implemented in two-gear transmission according to the present invention
Mileage, higher final speed and the acceleration substantially interrupted without tractive force.
It is proposed according to another configuration of two-gear transmission, the spur gear of first gear, especially driving wheel are located at the first input
On axis, and the spur gear of second gear, especially driving wheel are located on the second input shaft.
It can alternatively propose, the spur gear of first gear, especially driving wheel are located on the second input shaft, and second
The spur gear of gear, especially driving wheel are located on the first input shaft.
The two-gear transmission can have 1.6 gear speed ratio rank (Stufensprung).1.6 gear speed ratio rank is generally corresponding to
Gear speed ratio rank in the power train of combustion engine between the first gear and second gear of passenger vehicle (Pkw) speed changer.Ying Li
Solution, according to requiring, other gear speed ratio ranks are equally possible.
It is proposed according to another configuration of two-gear transmission, arranges have parking lock in the drive shaft or the differential mechanism
Wheel.It can be realized in this way and compactly integrate parking lock wheel in the transmission.
Can propose, the spur gear of third spur gear grade, especially driving wheel be located at drive shaft away from double clutch
End section on, wherein the first spur gear grade and the second spur gear grade be arranged in third spur gear grade spur gear and double clutches
Between device.It can realize biasing of the differential mechanism relative to vehicle central axes in a state where mounting is completed in this way.
It is proposed according to another configuration of two-gear transmission, which is arranged in the drive shaft, wherein parking
Locking wheel is arranged in the spur gear of the drive shaft side of third spur gear grade and the commutating tooth of the first spur gear grade or the second spur gear grade
Between wheel.It can be realized in this way and compactly integrate parking lock wheel in the transmission.It is desirable that in the state for completing installation
Under, differential mechanism is arranged on vehicle central axes.
It can propose, the spur gear of third spur gear grade is located in the end section towards double clutch of drive shaft,
In between the spur gear and double clutch of third spur gear grade both without arranging the first spur gear grade or without arranging second just
Gear stage.It can be realized in this way, in a state where mounting is completed, differential mechanism is arranged near vehicle central axes.
According to another configuration of two-gear transmission, parking lock wheel is arranged on the driving shaft, and wherein parking lock wheel is pacified
It comes between the spur gear of the drive shaft side of third spur gear grade and the first spur gear grade or the spur gear of the second spur gear grade.This
Sample, which can be realized, compactly integrates parking lock wheel in the transmission.
It can propose, the differential carrier of differential mechanism is arranged on the side towards double clutch of differential mechanism, to realize
Differential mechanism is compactly connected in two-gear transmission.
According to second aspect, the present invention relates to a kind of electric transmission systems, have electric motor and two-gear transmission, wherein
Two-gear transmission be designed in a manner of according to the present invention, and wherein electric motor in input side and two-gear transmission phase
Even.Electric transmission system according to the present invention can be realized for the vehicle of pure electric vehicle driving bigger mileage travelled, higher
Final speed and, substantially without tractive force interrupt acceleration.It can also be realized by opening simultaneously two clutches and be slided
It runs (Segelbetrieb).In this case, electric motor and drive shaft disconnect.
According to second aspect, the present invention relates to a kind of electric vehicles, have electric transmission system according to the present invention, wherein
Additional combustion engine is not provided.The vehicle of pure electric vehicle according to the present invention driving can be realized bigger mileage travelled, more
High final speed and the acceleration substantially interrupted without tractive force.
Detailed description of the invention
Below will by illustrate embodiment attached drawing come the present invention will be described in detail.It is respectively schematically shown in figure:
Fig. 1 shows a kind of electric transmission system according to the present invention with two-gear transmission according to the present invention；
Fig. 2 shows another electric transmissions according to the present invention with another two-gear transmission according to the present invention
System.
Specific embodiment
Fig. 1 shows a kind of electric transmission system 2.Electric transmission system 2 has electric motor 4 and two-gear transmission 6.Two gears become
Fast device 6 is connected in input side with electric motor 4.Wheel 8,10 of the two-gear transmission 6 in outlet side and electric vehicle to be driven
It is connected.Electric motor 4 and wheel 8,10 not according to two-gear transmission 6 of the invention a part.
Two-gear transmission 6 have input side double clutch 12, the double clutch have first clutch 14 and second from
Clutch 16.
First clutch 14 is configured for that the first input shaft 20 is made to couple and decouple with electric motor 4.Second clutch
Device 16 is configured for that the second input shaft 22 is made to couple and decouple with electric motor 4.First input shaft 20 and the second input shaft
22 coaxially arrange.Second input shaft 22 is hollow shaft 22.The section 24 for being assigned to double clutch 12 of first input shaft 20
It is comprehensively surrounded by the second input shaft 22.Therefore, the first input shaft 20 and the second input shaft 22 are to be nested among each other
Mode arranges.
Two-gear transmission 6 has lucky two gears G1, G2, wherein the first gear G1 in this two gear G1, G2 has than this two gear
Second gear G2 in G1, G2 bigger transmission ratio.
First input shaft 20 is coupled by the first spur gear grade 26 with drive shaft 28.Second input shaft 22 passes through the second commutating tooth
Wheel grade 30 is coupled with drive shaft 28.Drive shaft 28 is coupled by third spur gear grade 32 with the differential mechanism 34 of outlet side.
The driving spur gear 36 of first gear G1 is located on the first input shaft 20.The driving spur gear 38 of second gear G2 is located at the
On two input shafts 22.
According to alternative embodiment, two-gear transmission according to the present invention can be configured to: the driving of first gear is just
Gear is located on the second input shaft, and the driving spur gear of second gear is located on the first input shaft.
Arrange have parking lock wheel 40 in drive shaft 28.
The driving spur gear 42 of third spur gear grade 32 is arranged in the end section away from double clutch 12 of drive shaft 28
On 44.The driven gear 46,48 of first spur gear grade 26 and the second spur gear grade 30 is arranged in the driving of third spur gear grade 32
Between spur gear 42 and double clutch 12.In addition, parking lock wheel 40 is arranged in the driving spur gear 42 of third spur gear grade 32
Between double clutch 12.
The parking lock wheel 40 being arranged in drive shaft 28 be arranged in the driving spur gear 42 of third spur gear grade 32 with just
Between the driven gear 48 of gear stage 26.
The differential carrier 50 of differential mechanism 34 be arranged in differential mechanism 34 towards the side of double clutch 52.
Fig. 2 shows another configurations of power train 54, wherein in order to avoid repeat, will only discuss below with above with reference to
The difference of the embodiment of Fig. 1 description.Here, identical feature is assigned with identical appended drawing reference.
Electric transmission system 54 has speed changer 56, the speed changer and above-mentioned speed changer 6 the difference is that: third commutating tooth
The driving spur gear 42 for taking turns grade 32 is located at herein in the end section 58 towards double clutch 12 of drive shaft 28.
Both without arranging the first spur gear grade between the driving spur gear 42 and double clutch 12 of third spur gear grade 32
26, also without arranging the second spur gear grade 30.Parking lock wheel 40 is arranged in the drive shaft side of third spur gear grade 32 herein
Between spur gear 42 and the driven spur gear 46 of the second spur gear grade 30.
It should be understood that according to other according to an embodiment of the invention, hollow shaft can be assigned to by this first grade.
List of numerals
2 electric transmission systems
4 electric motors
6 two-gear transmissions
8 wheels
10 wheels
12 double clutches
14 first clutches
16 second clutches
20 first input shafts
22 second input shafts
The section of 24 first input shafts
G1 first gear
G2 second gear
26 first spur gear grades
28 drive shafts
30 second spur gear grades
32 third spur gear grades
34 differential mechanisms
The driving spur gear of 36 first spur gear grades
The driving spur gear of 38 second spur gear grades
40 parking lock wheels
The driving spur gear of 42 third spur gear grades
The end section of 44 drive shafts 28
The driven gear of 46 second spur gear grades
The driven gear of 48 first spur gear grades
50 differential carriers
52 double clutch sides
54 electric transmission systems
56 two-gear transmissions
58 end sections
Claims (10)
1. a kind of two-gear transmission for electric transmission system,
The double clutch (12) of input side is had, which has first clutch (14) and second clutch (16),
Wherein the first clutch (14) is configured for that the first input shaft (20) is made to couple and decouple with electric motor (4),
And
Wherein the second clutch (16) is configured for that the second input shaft (22) is made to couple reconciliation with the electric motor (4)
Coupling,
Wherein first input shaft (20) and second input shaft (22) coaxially arrange,
Wherein second input shaft (22) is hollow shaft (22), and first input shaft (20) is assigned to double clutches
At least one section (24) of device (12) is comprehensively surrounded by second input shaft (22)；
With lucky two gear (G1, G2), wherein the first gear (G1) in this two gear (G1, G2) has than in this two gear (G1, G2)
The bigger transmission ratio of second gear (G2),
Wherein first input shaft (20) is coupled by the first spur gear grade (26) with drive shaft (28),
Wherein second input shaft (22) is coupled by the second spur gear grade (30) with the drive shaft (28), and
Wherein the drive shaft (28) is coupled by third spur gear grade (32) with the differential mechanism (34) of outlet side.
2. two-gear transmission according to claim 1,
Wherein the spur gear (36) of the first gear (G1) is located on first input shaft (20), and the commutating tooth of the second gear (G2)
Wheel (38) is located on second input shaft (22),
Or
Wherein the spur gear of the first gear is located on second input shaft, and the spur gear of the second gear is located at first input
On axis.
3. according to claim 1 or two-gear transmission as claimed in claim 2,
Wherein arrange there are parking lock wheel (40) in the drive shaft (28) or the differential mechanism (34).
4. the two-gear transmission according to one of the claims 1 to 3,
Wherein the spur gear (42) of the third spur gear grade (32) be located at the drive shaft (28) away from the double clutch (12)
In end section (44), wherein the first spur gear grade (26) and the second spur gear grade (30) are arranged in the third spur gear grade
(32) between spur gear (42) and the double clutch (12).
5. according to claim 3 and two-gear transmission as claimed in claim 4,
Wherein the parking lock wheel (40) is arranged in the drive shaft (28), and
Wherein the parking lock wheel (40) be arranged in the drive shaft side of the third spur gear grade (32) spur gear (42) and this
Between the spur gear (46,48) of one spur gear grade or the second spur gear grade (26,30).
6. the two-gear transmission according to one of the claims 1 to 3,
Wherein the spur gear (42) of the third spur gear grade is located at the end towards the double clutch (12) of the drive shaft (28)
On section (58), wherein both not pacified between spur gear (42) and the double clutch (12) of the third spur gear grade (32)
It arranges the first spur gear grade (26), also arrange the second spur gear grade (30).
7. according to claim 3 and two-gear transmission as claimed in claim 6,
Wherein the parking lock wheel (40) is arranged in the drive shaft (28), and
Wherein the parking lock wheel (40) be arranged in the drive shaft side of the third spur gear grade (32) spur gear (42) and this
Between the spur gear (46,48) of one spur gear grade or the second spur gear grade (26,30).
8. the two-gear transmission according to one of the claims 1 to 7,
Wherein the differential carrier (50) of the differential mechanism (34) be arranged in the differential mechanism (34) towards the one of the double clutch (12)
Side (52).
9. a kind of electric transmission system,
It has electric motor (4), and
It has two-gear transmission (6,56),
Wherein the two-gear transmission (6,56) be according to one of the claims 1 to 8 design, and
Wherein the electric motor (4) is connected in input side and the two-gear transmission (6,56).
10. a kind of electric vehicle,
Electric transmission system (2,54) according to claim 9 is had,
Additional combustion engine is not provided wherein.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017119752.4 | 2017-08-29 | ||
| DE102017119752.4A DE102017119752A1 (en) | 2017-08-29 | 2017-08-29 | Two-speed transmission, electric motor powertrain and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109424717A true CN109424717A (en) | 2019-03-05 |
Family
ID=60081456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810973685.6A Pending CN109424717A (en) | 2017-08-29 | 2018-08-24 | Two-gear transmission, electric transmission system and electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109424717A (en) |
| DE (2) | DE102017119752A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525585A (en) * | 2020-04-17 | 2021-10-22 | 宏佳腾动力科技股份有限公司 | Transmission system of three-wheeled electric vehicle |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018113173A1 (en) | 2018-06-04 | 2019-12-05 | Schaeffler Technologies AG & Co. KG | Transmission assembly for an electric vehicle and method of operating a transmission assembly |
| DE102018221693A1 (en) * | 2018-12-13 | 2020-06-18 | Zf Friedrichshafen Ag | Gearbox and drive train of an electrically driven axle |
| CN110030356B (en) * | 2019-04-23 | 2020-08-21 | 合肥工业大学 | Three-gear electric automobile automatic transmission based on bevel gear |
| DE102019111738B3 (en) | 2019-05-07 | 2020-07-02 | Schaeffler Technologies AG & Co. KG | Planetary gears for a motor vehicle |
| DE102019214512A1 (en) * | 2019-09-24 | 2021-03-25 | Zf Friedrichshafen Ag | Drive train for a motor vehicle |
| DE102019126188A1 (en) * | 2019-09-27 | 2021-04-01 | Schaeffler Technologies AG & Co. KG | Powertrain |
| DE102020001795B3 (en) * | 2019-11-28 | 2020-10-29 | Hans Hermann Rottmerhusen | Electric motor drive for a motor vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2450597A1 (en) * | 2010-11-09 | 2012-05-09 | Technische Universität Darmstadt | Invention relating to electric drive |
| CN203039496U (en) * | 2013-01-25 | 2013-07-03 | 合肥工业大学 | All-in-one two-shift motor transmission for pure electric automobile |
| CN104648115A (en) * | 2015-03-07 | 2015-05-27 | 合肥工业大学 | Two-shift variable speed drive system of plug-in type hybrid vehicle with integrated single-driving motor |
-
2017
- 2017-08-29 DE DE102017119752.4A patent/DE102017119752A1/en not_active Withdrawn
-
2018
- 2018-08-20 DE DE102018120176.1A patent/DE102018120176A1/en not_active Withdrawn
- 2018-08-24 CN CN201810973685.6A patent/CN109424717A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2450597A1 (en) * | 2010-11-09 | 2012-05-09 | Technische Universität Darmstadt | Invention relating to electric drive |
| CN203039496U (en) * | 2013-01-25 | 2013-07-03 | 合肥工业大学 | All-in-one two-shift motor transmission for pure electric automobile |
| CN104648115A (en) * | 2015-03-07 | 2015-05-27 | 合肥工业大学 | Two-shift variable speed drive system of plug-in type hybrid vehicle with integrated single-driving motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525585A (en) * | 2020-04-17 | 2021-10-22 | 宏佳腾动力科技股份有限公司 | Transmission system of three-wheeled electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018120176A1 (en) | 2018-10-18 |
| DE102017119752A1 (en) | 2017-11-02 |
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