CN206884714U - Series-parallel hybrid electric system and the vehicle including the hybrid power system - Google Patents
Series-parallel hybrid electric system and the vehicle including the hybrid power system Download PDFInfo
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- CN206884714U CN206884714U CN201720684541.XU CN201720684541U CN206884714U CN 206884714 U CN206884714 U CN 206884714U CN 201720684541 U CN201720684541 U CN 201720684541U CN 206884714 U CN206884714 U CN 206884714U
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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 utility model provides a kind of series-parallel hybrid electric system and the vehicle including the hybrid power system, to increase motor output torque.Series-parallel hybrid electric system includes planet row, planet row has three power intakes and a clutch end, hybrid power system also includes engine, the first motor and the second motor that transmission corresponding with three power intakes is connected respectively, engine output shaft, the first motor output shaft and the different axle arrangement of the second motor output shaft three, hybrid power system includes being used for the engine lock locking mechanism that locking is carried out to power intake corresponding to engine, and gearbox is provided between at least one corresponding power intake with planet row in the first motor and the second motor.The high rotating speed of motor can be changed into low speed by gearbox, and the low torque of motor is changed into high torque, added motor and inputted to the moment of torsion of planet row.
Description
Technical field
It the utility model is related to a kind of series-parallel hybrid electric system and the vehicle including the hybrid power system.
Background technology
Series-parallel hybrid electric system has huge relative to series connection type hybrid power system and parallel connection type hybrid power system
Performance advantage.Current series parallel type dynamical system is mainly using planetary mechanism as power dividing device.
The patent of invention that data of publication of application is on November 16th, 2016, application publication number is CN106114185A discloses
A kind of hybrid power coupling transmission device, the transmission device（Dynamical system）Including planet row, planet row has three power
Input and a clutch end, three power intakes are respectively sun gear input, gear ring input and planet carrier
Input, power output shaft is connected with clutch end.Dynamical system also includes corresponding with three power intakes respectively pass
Connected engine, the first motor and the second motor are moved, wherein one in the first motor and the second motor is transmission auxiliary electricity
Machine, another is motor, and engine output shaft, the first motor output output shaft and the second motor output shaft are arranged side by side,
Brake is provided between engine output shaft and planet row, between transmission stand-by motor output shaft and planet row.The dynamical system
In system, by controlling the first motor, the second motor and the break-make of engine, the switching of different working modes can be realized.It is such as pure
Electric model, during in the pattern, engine stop work, the power output of dynamical system is provided by motor；Such as
Hybrid mode, during in the pattern, engine and motor work, and the power output of dynamical system is by driving electricity
What machine and engine provided jointly；Such as engine drive mode, during in the pattern, engine direct drive vehicle.
But in above-mentioned dynamical system, when motor work provides power for dynamical system, due to driving electricity
Machine is connected by direct geared with planet row output shaft, and the torque value that motor inputs to planet row is certain value, in order to carry
The moment of torsion of high planet row output end improves the cost of motor, it is necessary to be equipped with the motor of larger output torque.And
And the ratio between rotating speed between motor and planet row output shaft is that the ratio between definite value, moment of torsion is also definite value, motor can not fit
Should.When dynamical system is in engine drive mode, engine can drive one of power intake of planet row to rotate,
Because motor is connected by direct geared with planet row output shaft, planet row output shaft can drive motor occur with
Turn, data-collection be present, reduce the capacity usage ratio of dynamical system.
Utility model content
The purpose of this utility model is to provide a kind of series-parallel hybrid electric system that can increase motor output torque,
The utility model also provides a kind of vehicle including the hybrid power system.
To achieve the above object, the technical scheme of the utility model series-parallel hybrid electric system is：A kind of series parallel type mixes
Dynamical system is closed, including planet row, planet row have three power intakes and a clutch end, hybrid power system is also
Including transmission corresponding with three power intakes respectively connected engine, the first motor and the second motor, engine output shaft,
First motor output shaft and the different axle arrangement of the second motor output shaft three, hybrid power system include being used for corresponding to engine
Power intake carries out the engine lock locking mechanism of locking, at least one corresponding to planet row in the first motor and the second motor
Power intake between be provided with gearbox.
First motor is ISG motors, and the second motor is main drive motor, the gearbox located at main drive motor with
Between corresponding power intake.
Pass through ISG motor gear engaged transmissions, hybrid power between the output shaft of ISG motors and corresponding power intake
System also includes the ISG electric motor lockings that locking is carried out to ISG motor output shafts or ISG motor gears or corresponding power intake
Mechanism.
The engine output shaft, the first motor output shaft and the second motor output shaft are arranged side by side, first motor
The both sides of engine output shaft are divided into the second motor, engine, the first motor and the second motor are located at the same of planet row
Side.
Hybrid power system includes mounting seat, and integrated installation has described engine, the first motor, in the mounting seat
Two motors, planet row and gearbox.
The technical scheme of the utility model vehicle is：A kind of vehicle, including series-parallel hybrid electric system, hybrid power system
System includes planet row, and planet row has three power intakes and a clutch end, and hybrid power system also includes difference
Transmission corresponding with three power intakes connected engine, the first motor and the second motor, engine output shaft, the first motor
Output shaft and the different axle arrangement of the second motor output shaft three, hybrid power system include being used to input power corresponding to engine
End carries out the engine lock locking mechanism of locking, and at least one power corresponding with planet row in the first motor and the second motor is defeated
Enter and be provided with gearbox between holding.
First motor is ISG motors, and the second motor is main drive motor, the gearbox located at main drive motor with
Between corresponding power intake.
Pass through ISG motor gear engaged transmissions, hybrid power between the output shaft of ISG motors and corresponding power intake
System also includes the ISG electric motor lockings that locking is carried out to ISG motor output shafts or ISG motor gears or corresponding power intake
Mechanism.
The engine output shaft, the first motor output shaft and the second motor output shaft are arranged side by side, first motor
The both sides of engine output shaft are divided into the second motor, engine, the first motor and the second motor are located at the same of planet row
Side.
Hybrid power system includes mounting seat, and integrated installation has described engine, the first motor, in the mounting seat
Two motors, planet row and gearbox.
The beneficial effects of the utility model are：Series-parallel hybrid electric system provided by the utility model, in motor and row
Gearbox is provided between the corresponding power intake of star row, the high rotating speed of motor can be changed into low speed by gearbox, by motor
Low torque is changed into high torque, adds motor and inputs to the moment of torsion of planet row.Meanwhile when the motor provided with gearbox is in not work
When making state, gearbox can be placed in the position of neutral gear, make corresponding to motor will not occur with transferring to increase dynamical system
Load.Engine lock locking mechanism can control whether planet row power intake corresponding to engine rotates in the utility model.
When hybrid power system of the present utility model is in electric-only mode, when one of motor is motor, engine lock
Locking mechanism locking, engine will not reduce energy loss, motor is increased torsion effect by the reduction of speed of gearbox and drive with turn
Vehicle travels.Under engine direct drive pattern, engine locking mechanism opening, when engine output torque is smaller, motor passes through
Gearbox driving booster vehicle traveling, when engine output torque just meets vehicle traveling, motor does not work, when engine is defeated
Go out moment of torsion it is larger when, motor is changed into generator, stores the energy in power supply.In the utility model, gearbox, which not only acts as, to be subtracted
Speed increases the effect turned round, and can also be changed according to vehicle actual travel situation, adapts to vehicle traveling.
Brief description of the drawings
Fig. 1 is the schematic diagram in the utility model vehicle embodiments.
In figure, 1 is engine, and 2 be torsional damper, and 3 be the first lockable mechanism, and 4 be ISG motors, and 5 be the second locking machine
Structure, 6 be planet carrier, and 7 be gear ring, and 8 be sun gear, and 9 be gearbox, and 10 be main drive motor, and 11 be integrated manipulator, and 12 are
Power power supply, 13 be back axle.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of vehicle of the present utility model, as shown in figure 1, vehicle includes series-parallel hybrid electric system with after
Bridge 13, back axle 13 are used as power transmission shaft.Series-parallel hybrid electric system includes planet row, and planet row includes sun gear 8, planet carrier 6
With gear ring 7, planetary gear 14 is installed in planet carrier 6, the external tooth of planetary gear 14 simultaneously with the internal tooth of gear ring 7 and sun gear 8
External tooth is meshed.Gear ring 7 connects dynamical system output shaft 15, and dynamical system output shaft 15 is connected with back axle 10.By can be with figure
Find out, planet row includes three power intakes, respectively gear ring power intake, sun gear power intake and planet carrier
Power intake, planet row further comprises a clutch end, be connected with dynamical system output shaft 15.
Hybrid power system also includes engine 1, ISG motors 4 and main drive motor 10.As seen from the figure, engine 1
Output shaft, the output shaft of ISG motors 4 and the output shaft of main drive motor 10 be arranged side by side, compared with three is coaxially arranged, contracting
The length of left and right directions shown in short Fig. 1 of hybrid power system, eliminates the restriction of hybrid power system size, expands
The scope of application of hybrid power system.Simultaneously as the mode being arranged side by side is employed, ISG motors and main drive motor
Using solid spindle motor, compared with the form being coaxially disposed present in prior art, difficulty of processing and processing cost are reduced,
The risk that planet row lubricating oil penetrates into motor is reduced simultaneously.As can be seen from Figure, ISG motors 4 and main drive motor 10 divide
Located at the both sides of the output shaft of engine 1, and ISG motors 4, engine 1 and main drive motor 10 are respectively positioned on the same side of planet row,
It further shorten the length of left and right directions.
Planet carrier power transmission shaft 16 is connected with the output shaft of engine 1, planet carrier 6 is mounted directly planet carrier power transmission shaft
On 16, torsional damper 2 being installed on the output shaft of engine 1, planet carrier power transmission shaft 16 is provided with the first lockable mechanism 3,
It can realize the locking to planet carrier power transmission shaft 16 and release, during locking, planet carrier 6, planet carrier power transmission shaft 16 and engine 1
It can not rotate, during release, three can rotate simultaneously, drive planetary gear 14 to revolve round the sun.
In the present embodiment, ISG motors 4 not only act as the effect of the rotating speed of regulation engine output shaft, can be used as list
Only motor uses.ISG motors driving gear 17, ISG motors driving gear 17 are connected with the output shaft of ISG motors 4
With the external tooth engaged transmission of sun gear 8, dynamical system also includes being used for the second lock for carrying out locking to driving gear 17 and opening
Locking mechanism 5.When the second lockable mechanism 5 is opened, ISG motors 4 can drive sun gear 8 to be rotated, and sun gear 8 can also be anti-
Generated electricity to driving ISG motors 4 to rotate.During the second 5 locking of lockable mechanism, ISG motors 4, ISG motors driving gear 17 and too
The state that sun wheel 8 is in locking can not rotate.In the present embodiment, the second lockable mechanism 5 is by the active of ISG motors
The locking of gear 17 realizes the control to three, and in other embodiments, the second lockable mechanism 5 can be located at ISG motors and export
The outside of axle or sun gear is with to ISG motors or sun gear progress locking and release.By the second lockable mechanism 5 to ISG motors 4
Carry out locking so that when engine 1 directly drives vehicle traveling, when avoiding the drive planet row rotation of engine 1, planet row is anti-
Rotated to driving ISG motors 4, system data-collection is present, the loss that energy be present, now for driven vehicle
Traveling reduces the whole work efficiency of system, it is necessary to improve the power output of engine.
It is connected with gearbox 9 on the output shaft of main drive motor 10, in the present embodiment, gearbox 9 is two grades of gearboxes, bag
One grade, two grades and neutral gear are included.Gearbox gear 18, gearbox gear 18 and gear ring 7 are installed on the output shaft of gearbox 9
External tooth be engaged transmission.By setting gearbox 9 at the rear portion of main drive motor 10, can make defeated by main drive motor 10
Entering the speed of planet row reduces, and moment of torsion increase, serves the effect for slowing down and increasing and turning round.By setting gearbox 9, can select to export
The less main drive motor 10 of moment of torsion, reduce motor cost.By making gearbox 9 be in different gear main drive motors
10 are adapted with the travel speed and driving cycle of vehicle, main drive motor 10 is in high efficiency region work.
During work, engine 1 drives planet carrier 6 to rotate, and drives planetary gear to be revolved round the sun.ISG motors pass through ISG motor masters
Moving gear 17 carries out meshed transmission gear with sun gear 8, and sun gear 8 carries out rotation.Because gearbox 9 has a neutral gear, during work,
When main drive motor 10 is in idle state, gearbox 9 is placed in the position of neutral gear, planet row will not reversely drive master
Motor 10 is rotated, and is avoided the rotation of the moment of torsion of main drive motor 10 0, is reduced the output loads of dynamical system, improve
The whole work efficiency of dynamical system.
Hybrid power system in the utility model can realize pure electric drive, combination drive, engine direct drive, Brake Energy
The mode of operations such as amount recovery, it is described in detail below：
1st, pure electric Drive Mode 1：
Under this pattern, engine 1 does not start, and ISG motors 4 do not work, the locking of the first lockable mechanism 3, the second lockable mechanism 5
Open, main drive motor 10 drives, and power is driven the gear ring 7 to planet row after gearbox 9 slows down and increases torsion.
Due to the locking of the first lockable mechanism 3, planetary gear 14 can not revolve round the sun, gear ring 7 drive the rotation of planetary gear 14 and then
Sun gear 8 is driven to be rotated, the second lockable mechanism 5 is in open position, and sun gear 8 reversely can drive ISG motors 4 to carry out
Generate electricity.The power of dynamical system is transferred to dynamical system output shaft 15 by gear ring 7, and power is passed.According to different
Speed and duty requirements gearbox select different operation ranges so that main on the premise of vehicle working condition traveling demand is met
Motor works in high efficiency region all the time, so as to lifting system efficiency.Under this pattern, servo-actuated hair can occur for ISG motors 4
Electricity, mechanical energy are converted to electric energy, have the energy loss of part.
2nd, pure electric Drive Mode 2：
Under this pattern, engine 1 does not start, and gearbox 9 is neutral gear, and main drive motor 10 does not work, the first lockable mechanism 3
Locking, the second lockable mechanism 5 are opened, and ISG motors 4 are opened, and power is delivered on sun gear 8 by ISG output shafts by gear,
Gear ring 7 is driven to rotate, driving vehicle traveling.
Because gearbox 9 is neutral gear under this pattern, the rotation of gear ring 7 will not drive main drive motor to rotate, relatively
Conversion in pure electric Drive Mode one without energy, energy loss are smaller.
3rd, combination drive pattern：
Under this pattern, the first lockable mechanism 3 and the second lockable mechanism 5 unclamp, and engine 1 works, the conduct of ISG motors 4
Regulation motor, according to vehicle demand adjust engine speed and moment of torsion cause engine all the time in high efficiency region operation so as to
Fuel economy is lifted, while integrated manipulator 11 determines whether that opening main drive motor 10 is helped according to vehicle demand torque
Power.
When vehicle demand torque is more than the moment of torsion that engine provides, main drive motor 10 starts output torque driving car
；When the moment of torsion that engine provides disclosure satisfy that vehicle demand torque, main drive motor 10 does not work, can be by gearbox 9
It is placed in the position of neutral gear；When the moment of torsion that engine provides is more than vehicle demand torque, main drive motor 10 is in power generation mode,
Unnecessary mechanical energy is converted into power storage into electrical source of power 12.
4th, engine direct drives pattern：
Under this pattern, speed is higher, and engine 1 is in high efficiency region work, and the first lockable mechanism 3 unclamps, the second lock
The locking ISG motors of locking mechanism 5 so that engine is in straight and drives pattern, and engine direct drive vehicle travels under this pattern, main drive
Dynamic motor determines whether power-assisted according to vehicle demand torque situation, and this pattern eliminates ISG motors relative to hybrid mode
The situation of generating, eliminate the transition boost capacity usage ratio of energy.
5th, Brake energy recovery pattern
Dynamical system output shaft 15 is connected with gear ring, and gear ring is connected with main drive motor, under this pattern, engine not work
Make, ISG motors do not work, and main drive motor provides brake force, and different shelves are according to different demand braking force gearboxes
Position, so as to ensure the braking torque of abundance, when vehicle brake is braked, recover energy, now, main drive motor is converted to generating
State, by power storage into electrical source of power 12.
In the utility model, gearbox and travelling gear make use of to carry out increasing torsion of slowing down to main drive motor respectively, significantly
The grade climbing performance that main drive motor under electric model and hybrid mode drives dynamical system is improved, system dynamic compares
It is good.
Engine output shaft, ISG motor output shafts and main drive motor output shaft are shortened by the way of being arranged side by side
The axial dimension of dynamical system, the restriction of rear longitudinal dynamical system size is eliminated, expand the scope of application of system.This implementation
In example, three output shafts are axially in parallel, and in other embodiments, three can be with distribution at an angle.
Hybrid power system in the utility model includes a mounting seat, wherein engine, ISG motors and main driving
Motor is integrated in mounting seat, and the installation of integrated form is easy to the combination with back axle to install.
In the present embodiment, the first motor is ISG motors, and the second motor is main drive motor, and in the present embodiment, gearbox is only
It is arranged between main drive motor and planet row, in other embodiments, can be also provided with becoming between ISG motors and planet row
Fast case.In the present embodiment, the first lockable mechanism is engine lock locking mechanism, and the second lockable mechanism is ISG electric motor locking machines
Structure.
The specific embodiment of the utility model series-parallel hybrid electric system, the structure of series-parallel hybrid electric system with it is upper
It is consistent to state the structure of embodiment, its content will not be repeated here.
Claims (10)
1. a kind of series-parallel hybrid electric system, including planet row, planet row has three power intakes and a power defeated
Go out end, hybrid power system also includes the engine that transmission corresponding with three power intakes is connected respectively, the first motor and the
Two motors, engine output shaft, the first motor output shaft and the different axle arrangement of the second motor output shaft three, hybrid power system bag
Include the engine lock locking mechanism for carrying out locking to power intake corresponding to engine, it is characterised in that：First motor and
Gearbox is provided between the corresponding power intake of at least one and planet row in second motor.
2. series-parallel hybrid electric system according to claim 1, it is characterised in that：First motor is ISG motors,
Second motor is main drive motor, and the gearbox is located between main drive motor and corresponding power intake.
3. series-parallel hybrid electric system according to claim 2, it is characterised in that：The output shaft of ISG motors with it is corresponding
Power intake between by ISG motor gear engaged transmissions, hybrid power system also include to ISG motor output shafts or
ISG motor gears or corresponding power intake carry out the ISG electric motor lockings mechanism of locking.
4. series-parallel hybrid electric system according to claim 1, it is characterised in that：The engine output shaft, first
Motor output shaft and the second motor output shaft are arranged side by side, and first motor and the second motor are divided into engine output shaft
Both sides, engine, the first motor and the second motor are located at the same side of planet row.
5. according to the series-parallel hybrid electric system described in claim 1 ~ 4 any one, it is characterised in that：Hybrid power system
Including mounting seat, integrated installation has described engine, the first motor, the second motor, planet row and speed change in the mounting seat
Case.
6. a kind of vehicle, including series-parallel hybrid electric system, hybrid power system includes planet row, and there are planet row three to be moved
Power input and a clutch end, hybrid power system also include what transmission corresponding with three power intakes respectively was connected
Engine, the first motor and the second motor, engine output shaft, the first motor output shaft and the second different axle of motor output shaft three
Arrangement, hybrid power system include being used for the engine lock locking mechanism that locking is carried out to power intake corresponding to engine, its
It is characterised by：Speed change is provided between the corresponding power intake of at least one and planet row in first motor and the second motor
Case.
7. vehicle according to claim 6, it is characterised in that：First motor is ISG motors, is driven based on the second motor
Dynamic motor, the gearbox are located between main drive motor and corresponding power intake.
8. vehicle according to claim 7, it is characterised in that：The output shaft of ISG motors and corresponding power intake it
Between by ISG motor gear engaged transmissions, hybrid power system also includes to ISG motor output shafts or ISG motor gears or phase
The power intake answered carries out the ISG electric motor lockings mechanism of locking.
9. vehicle according to claim 6, it is characterised in that：The engine output shaft, the first motor output shaft and
Two motor output shafts are arranged side by side, and first motor and the second motor are divided into the both sides of engine output shaft, engine,
One motor and the second motor are located at the same side of planet row.
10. according to the vehicle described in claim 6 ~ 9 any one, it is characterised in that：Hybrid power system includes mounting seat, institute
Stating integrated installation in mounting seat has described engine, the first motor, the second motor, planet row and gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684541.XU CN206884714U (en) | 2017-06-13 | 2017-06-13 | Series-parallel hybrid electric system and the vehicle including the hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684541.XU CN206884714U (en) | 2017-06-13 | 2017-06-13 | Series-parallel hybrid electric system and the vehicle including the hybrid power system |
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| Publication Number | Publication Date |
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| CN206884714U true CN206884714U (en) | 2018-01-16 |
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ID=61319117
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720684541.XU Active CN206884714U (en) | 2017-06-13 | 2017-06-13 | Series-parallel hybrid electric system and the vehicle including the hybrid power system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228273A1 (en) * | 2017-06-13 | 2018-12-20 | 郑州宇通客车股份有限公司 | Series-parallel hybrid power system and vehicle comprising same |
| CN110816245A (en) * | 2018-08-09 | 2020-02-21 | 郑州宇通客车股份有限公司 | Hybrid vehicle and planet row hybrid power system thereof |
| CN110962579A (en) * | 2018-09-30 | 2020-04-07 | 郑州宇通客车股份有限公司 | Single-planet-row series-parallel system and hybrid power vehicle |
| CN111098689A (en) * | 2018-10-29 | 2020-05-05 | 上海汽车集团股份有限公司 | Hybrid power system and vehicle |
| CN111231647A (en) * | 2018-11-28 | 2020-06-05 | 郑州宇通客车股份有限公司 | Planet series-parallel system and vehicle |
| CN111332117A (en) * | 2018-12-19 | 2020-06-26 | 郑州宇通客车股份有限公司 | Hybrid power system, synchronous gear shifting mechanism and vehicle |
-
2017
- 2017-06-13 CN CN201720684541.XU patent/CN206884714U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228273A1 (en) * | 2017-06-13 | 2018-12-20 | 郑州宇通客车股份有限公司 | Series-parallel hybrid power system and vehicle comprising same |
| CN109080428A (en) * | 2017-06-13 | 2018-12-25 | 郑州宇通客车股份有限公司 | A kind of series-parallel hybrid electric system and the vehicle including the hybrid power system |
| CN110816245A (en) * | 2018-08-09 | 2020-02-21 | 郑州宇通客车股份有限公司 | Hybrid vehicle and planet row hybrid power system thereof |
| CN110816245B (en) * | 2018-08-09 | 2021-12-21 | 郑州宇通客车股份有限公司 | Hybrid vehicle and planet row hybrid power system thereof |
| CN110962579A (en) * | 2018-09-30 | 2020-04-07 | 郑州宇通客车股份有限公司 | Single-planet-row series-parallel system and hybrid power vehicle |
| CN111098689A (en) * | 2018-10-29 | 2020-05-05 | 上海汽车集团股份有限公司 | Hybrid power system and vehicle |
| CN111098689B (en) * | 2018-10-29 | 2021-10-08 | 上海汽车集团股份有限公司 | Hybrid power system and vehicle |
| CN111231647A (en) * | 2018-11-28 | 2020-06-05 | 郑州宇通客车股份有限公司 | Planet series-parallel system and vehicle |
| CN111332117A (en) * | 2018-12-19 | 2020-06-26 | 郑州宇通客车股份有限公司 | Hybrid power system, synchronous gear shifting mechanism and vehicle |
| CN111332117B (en) * | 2018-12-19 | 2023-11-10 | 宇通客车股份有限公司 | Hybrid power system, synchronous gear shifting mechanism and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |