CN113415153A - Double-motor transmission structure, driving system and electric engineering vehicle - Google Patents

Double-motor transmission structure, driving system and electric engineering vehicle Download PDF

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Publication number
CN113415153A
CN113415153A CN202110898599.5A CN202110898599A CN113415153A CN 113415153 A CN113415153 A CN 113415153A CN 202110898599 A CN202110898599 A CN 202110898599A CN 113415153 A CN113415153 A CN 113415153A
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Prior art keywords
motor
driving force
power
fixed gear
output shaft
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CN202110898599.5A
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Chinese (zh)
Inventor
薛卡
詹东安
户丹丹
邵杏国
梁岩岩
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Jiangsu Advanced Construction Machinery Innovation Center Ltd
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Jiangsu Advanced Construction Machinery Innovation Center Ltd
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Priority to CN202110898599.5A priority Critical patent/CN113415153A/en
Publication of CN113415153A publication Critical patent/CN113415153A/en
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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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • 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
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
    • 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
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to a double-motor transmission structure which comprises a first motor M1, a second motor M2, a power coupling transmission unit, a walking driving force transmission unit and a walking driving force output shaft S-out, wherein the power coupling transmission unit is in transmission connection between an output shaft of the first motor M1 and an output shaft of the second motor M2, and a walking driving force output end is configured on the walking driving force output shaft S-out; the driving system is coupled with and controls power output through the main control system and is used for driving a traveling system in the electric engineering vehicle to realize a required vehicle state, the flexible characteristic of double-motor control is utilized, gear shifting of a gearbox is omitted, the working condition requirement of high-speed transition of the engineering vehicle is met, the economy and the reliability of the whole vehicle are improved, the structure control is simple, the cost is low, and power interruption cannot occur; the whole vehicle is more compact in arrangement, the space is saved, the motor is often in high-efficiency interval work, the overload working condition is less, and the service life of the motor is prolonged.

Description

Double-motor transmission structure, driving system and electric engineering vehicle
Technical Field
The invention relates to the technical field of electric engineering vehicles, in particular to a double-motor transmission structure and an engineering vehicle.
Background
In order to meet the requirements of continuous improvement of construction operation efficiency and environmental protection, the engineering machinery gradually develops towards the direction of electromotion. At present, the construction machinery traveling system configuration directly replaces an engine with a single motor, retains the advantages of wide torque and rotating speed of the motor and does not exert the advantages of wide torque and rotating speed of the motor, so that the single motor can enable the motor to be in a low-efficiency torque area for a long time, meanwhile, the gear shifting strategy of the gearbox and the motor are difficult to coordinate and control, and the economy of the whole vehicle is poor. Taking a typical electric engineering machine of a loader as an example, the high transition speed is needed, the running speed and the power are not large during operation, and the traveling system is needed to provide the maximum driving force during the shoveling operation.
In the prior art, a plurality of patents propose a double-input single-output power coupling system, and although the system can be suitable for a carrying vehicle with a single driving configuration, the system is difficult to directly meet the requirements of electric engineering machinery for high-speed transition and low-speed large-torque operation, the power coupling implementation and gear shifting control are complex, the development cost is high, power interruption can occur in the gear shifting process, and the system is difficult to be suitable for the development of electric engineering vehicles.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a double-motor transmission structure, a driving system and an electric engineering vehicle, which have the advantages of simple structure control, low cost, no power interruption, simple gear shifting control, double-motor power coupling, capability of meeting the instantaneous torque requirements of the engineering vehicle, such as climbing and full-load operation requirements, compact whole vehicle arrangement, more motors in a high-efficiency interval to work and higher efficiency.
In a first aspect, the present invention provides a dual motor transmission structure.
A double-motor transmission structure comprises a first motor M1, a second motor M2, a power coupling transmission unit, a walking driving force transmission unit and a walking driving force output shaft S-out, wherein the power coupling transmission unit is connected between an output shaft of the first motor M1 and an output shaft of the second motor M2 in a transmission manner, the power coupling transmission unit comprises a coupling clutch C, the walking driving force transmission unit is connected between an output shaft of the first motor M1 and the walking driving force output shaft S-out in a transmission manner, and a walking driving force output end is configured on the walking driving force output shaft S-out;
this transmission structure realizes independent drive mode and coupling drive mode, wherein:
individual drive mode: comprises a first motor M1 single drive mode and a second motor M2 single drive mode; in the first motor M1 single driving mode, the first motor M1 is operated, the second motor M2 is not operated, the coupling clutch C is in a disengaged state, and the power of the first motor M1 is output from the walking driving force output terminal through the walking driving force transmission unit; in the second motor M2 independent driving mode, the first motor M1 is not operated, the second motor M2 is operated, the coupling clutch C is in the engaged state, and the power of the second motor M2 is output from the walking driving force output terminal via the power coupling transmission unit and the walking driving force transmission unit;
coupling driving mode: the first motor M1 works, the second motor M2 works, the coupling clutch C is in a combined state, and the power of the second motor M2 is coupled with the power of the first motor M1 through the power coupling transmission unit and then is output from the walking driving force output end through the walking driving force transmission unit.
Alternatively, the power coupling transmission unit includes a fixed gear Z1, a fixed gear Z2, a floating gear Z3, a fixed gear Z4, and a transmission shaft S-t, the fixed gear Z1 is fixedly mounted on an output shaft of the first motor M1, the fixed gear Z2 is fixedly mounted on the transmission shaft S-t, the floating gear Z3 is mounted on the transmission shaft S-t through the coupling clutch C, the fixed gear Z4 is mounted on an output shaft of the second motor M2, the fixed gear Z1 is meshed with the fixed gear Z2, and the floating gear Z3 is meshed with the fixed gear Z4.
Alternatively, the traveling driving force transmission unit includes a fixed gear Z5 and a fixed gear Z6, the fixed gear Z5 is fixedly mounted on the output shaft of the first motor M1, the fixed gear Z6 is fixedly mounted on the traveling driving force output shaft S-out, and the fixed gear Z5 is meshed with the fixed gear Z6.
In a second aspect, the present invention provides a dual motor drive system.
The utility model provides a two motor drive systems, includes any of the aforesaid two motor drive structure, still includes driver operation input, low voltage power, power supply and main control system, driver operation input signal connection to main control system, the low voltage power does main control system provides the power, the power supply does first motor M1 provides power, the low voltage power does second motor M2 provides power, main control system carries out following control process:
a. identifying the torque required by the current required walking state and the current rotating speeds of the first motor M1 and the second motor M2 according to the information of the operation input end of the driver and the information of the vehicle state;
b. calculating the maximum output torque of the first motor M1 and the second motor M2 based on the principle of maximizing the motor efficiency;
c. determining a desired state of the coupling clutch C;
d. and controlling the corresponding motor and the clutch to execute corresponding actions.
Optionally, the driver operation input information includes accelerator and brake pedal opening, operation handle opening, forward/backward/N shift position and/or hand brake state information.
Optionally, the vehicle state information includes the current vehicle speed of the vehicle, the rotating speed and torque state of the first motor M1 and the second motor M2, the electric quantity and the maximum charge-discharge power of the battery management system, and/or the high-voltage connection state information of the whole vehicle.
Optionally, the power supply includes high-voltage battery, battery management system, high-voltage control box and high-voltage accessories, high-voltage control box is connected to high-voltage battery, high-voltage control box is connected to through motor controller MCU1 first motor M1's control signal input, second motor M2's control signal input is connected with motor controller MCU 2.
Optionally, the low voltage power supply provides power for a battery management system, the battery management system is in signal connection with the main control system, the motor controller MCU1 is in signal connection with the main control system, and the motor controller MCU2 is in signal connection with the main control system.
In a third aspect, the present invention provides an electric working vehicle.
An electric engineering vehicle comprises the double-motor driving system and a walking system, wherein the walking driving force output shaft S-out is connected to the walking system.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects: the double-motor transmission structure, the driving system and the electric engineering vehicle have the advantages that the flexible characteristic of double-motor control is utilized, gear shifting of the gearbox is omitted, the working condition requirement of high-speed transition of the engineering vehicle is met, the economy and the reliability of the whole vehicle are improved, the structure is simple to control, the cost is low, and power interruption cannot occur; the whole vehicle is more compact in arrangement, the space is saved, the motor is often in high-efficiency interval work, the overload working condition is less, and the service life of the motor is prolonged.
Drawings
FIG. 1 is a schematic view of a dual motor transmission configuration of the present invention;
fig. 2 is a structural connection block diagram of the electric working vehicle of the present invention;
FIG. 3 is a control flow chart of the dual-motor driving system of the present invention (where the current time is t, t is greater than or equal to 0 and less than N, and N is the finished time of the entire vehicle operation).
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Example one
Referring to fig. 1, a dual-motor transmission structure includes a first motor M1, a second motor M2, a power coupling transmission unit, a walking driving force transmission unit and a walking driving force output shaft S-out, wherein the power coupling transmission unit is connected between an output shaft of the first motor M1 and an output shaft of the second motor M2 in a transmission manner, the power coupling transmission unit includes a coupling clutch C, the walking driving force transmission unit is connected between an output shaft of the first motor M1 and the walking driving force output shaft S-out in a transmission manner, and a walking driving force output end is configured on the walking driving force output shaft S-out;
this transmission structure realizes independent drive mode and coupling drive mode, wherein:
individual drive mode: comprises a first motor M1 single drive mode and a second motor M2 single drive mode; in the single driving mode of the first motor M1, the first motor M1 is operated, the second motor M2 is not operated, the coupling clutch C is in a disengaged state, and the power of the first motor M1 is output from the walking driving force output terminal through the walking driving force transmission unit; in the independent driving mode of the second motor M2, the first motor M1 does not work, the second motor M2 works, the coupling clutch C is in the combined state, and the power of the second motor M2 is output from the walking driving force output end through the power coupling transmission unit and the walking driving force transmission unit;
coupling driving mode: the first motor M1 works, the second motor M2 works, the coupling clutch C is in a combined state, the power of the second motor M2 is coupled with the power of the first motor M1 through the power coupling transmission unit and then is output from the walking driving force output end through the walking driving force transmission unit, and in the coupling driving mode, if the total transmission ratio of the output shaft of the second motor M2 to the output shaft of the first motor M1 through the power coupling transmission unit is i, the relation of n2= n1/i is met between the rotating speed n2 of the second motor M2 and the rotating speed n1 of the first motor M1.
More specifically, the power coupling transmission unit comprises a fixed gear Z1, a fixed gear Z2, a floating gear Z3, a fixed gear Z4 and a transmission shaft S-t, wherein the fixed gear Z1 is fixedly arranged on an output shaft of the first motor M1, the fixed gear Z2 is fixedly arranged on the transmission shaft S-t, the floating gear Z3 is arranged on the transmission shaft S-t through a coupling clutch C, the fixed gear Z4 is arranged on an output shaft of the second motor M2, the fixed gear Z1 is meshed with the fixed gear Z2, and the floating gear Z3 is meshed with the fixed gear Z4; the traveling driving force transmission unit includes a fixed gear Z5 and a fixed gear Z6, the fixed gear Z5 is fixedly mounted on the output shaft of the first motor M1, the fixed gear Z6 is fixedly mounted on the traveling driving force output shaft S-out, and the fixed gear Z5 is meshed with the fixed gear Z6.
The following attached table is a correspondence table of the operating mode, the state of the coupling clutch C, and the state of the motor with the vehicle type state. And the main control system controls the coupling clutch and the two motors to be converted into corresponding states according to the current requirements.
Figure DEST_PATH_IMAGE002
In other embodiments, the coupling clutch C in the power coupling transmission unit may be replaced by a synchronizer, a shift motor or a locker, which are commonly used in the art. Meanwhile, the first electric machine M1 or the second electric machine M2 may be replaced by another power form such as an engine or an engine-generator, and various power source forms of the engineering vehicle may be realized.
Example two
Referring to fig. 2 and 3, a dual-motor driving system includes any one of the above dual-motor transmission structures, and further includes a driver operation input end, a low-voltage power supply, a power supply, and a main control system, where the driver operation input end is connected to the main control system by a signal, the low-voltage power supply provides power to the main control system, the power supply provides power to the first motor M1, the low-voltage power supply provides power to the second motor M2, and the main control system performs the following control processes:
a. identifying the torque required by the current required walking state and the current rotating speeds of the first motor M1 and the second motor M2 according to the information of the operation input end of the driver and the information of the vehicle state;
b. calculating the maximum output torque of the first motor M1 and the second motor M2 based on the principle of maximizing the motor efficiency;
c. determining a desired state of the coupling clutch C;
d. and controlling the corresponding motor and the clutch to execute corresponding actions.
The information of the driver operation input end comprises the opening degrees of an accelerator and a brake pedal, the opening degree of an operation handle, forward/backward/N gear and/or hand brake state information; the vehicle state information comprises the current vehicle speed of the vehicle, the rotating speeds and the torque states of the first motor M1 and the second motor M2, the electric quantity and the maximum charge-discharge power of a battery management system and/or the high-voltage connection state information of the whole vehicle; the power source comprises a high-voltage battery, a battery management system, a high-voltage control box and high-voltage accessories, the high-voltage control box is connected to the high-voltage battery, the high-voltage control box is connected to the control signal input end of the first motor M1 through a motor controller MCU1, and the control signal input end of the second motor M2 is connected with a motor controller MCU 2; the low-voltage power supply provides power for the battery management system, the battery management system is in signal connection with the main control system, the motor controller MCU1 is in signal connection with the main control system, and the motor controller MCU2 is in signal connection with the main control system.
EXAMPLE III
Referring to fig. 2, the electric engineering vehicle comprises the dual-motor driving system and a traveling system, wherein a traveling driving force output shaft S-out is connected to the traveling system, and the main control system is used for coupling the first motor M1 and the second motor M2 to control power output, so that required form functions are completed.
Compared with the prior art, the double-motor transmission structure, the driving system and the electric engineering vehicle have the advantages that: compared with a planetary transmission mode, the double-motor driving system in the embodiment of the invention has the advantages that no power interruption is ensured without gear shifting in the middle, only one clutch is controlled to realize power coupling, simultaneously, the torque of two motors can be reasonably distributed according to the requirement of working condition load, the control is simple, the cost is lower, and the power and the economy of an engineering vehicle are improved.
Meanwhile, the flexible characteristic of double-motor control is utilized, gear shifting of a gearbox is omitted, the working condition requirement of high-speed transition of the engineering vehicle is met, the economy and the reliability of the whole vehicle are improved, the structure control is simple, the cost is low, and power interruption is avoided; the whole vehicle is more compact in arrangement, the space is saved, the motor is often in high-efficiency interval work, the overload working condition is less, and the service life of the motor is prolonged.
The above detailed description should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A double-motor transmission structure is characterized by comprising a first motor M1, a second motor M2, a power coupling transmission unit, a walking driving force transmission unit and a walking driving force output shaft S-out, wherein the power coupling transmission unit is in transmission connection between an output shaft of the first motor M1 and an output shaft of the second motor M2 and comprises a coupling clutch C, the walking driving force transmission unit is in transmission connection between an output shaft of the first motor M1 and the walking driving force output shaft S-out, and a walking driving force output end is configured on the walking driving force output shaft S-out;
this transmission structure realizes independent drive mode and coupling drive mode, wherein:
individual drive mode: comprises a first motor M1 single drive mode and a second motor M2 single drive mode; in the first motor M1 single driving mode, the first motor M1 is operated, the second motor M2 is not operated, the coupling clutch C is in a disengaged state, and the power of the first motor M1 is output from the walking driving force output terminal through the walking driving force transmission unit; in the second motor M2 independent driving mode, the first motor M1 is not operated, the second motor M2 is operated, the coupling clutch C is in the engaged state, and the power of the second motor M2 is output from the walking driving force output terminal via the power coupling transmission unit and the walking driving force transmission unit;
coupling driving mode: the first motor M1 works, the second motor M2 works, the coupling clutch C is in a combined state, and the power of the second motor M2 is coupled with the power of the first motor M1 through the power coupling transmission unit and then is output from the walking driving force output end through the walking driving force transmission unit.
2. The dual-motor transmission structure as claimed in claim 1, wherein the power coupling transmission unit comprises a fixed gear Z1, a fixed gear Z2, a floating gear Z3, a fixed gear Z4 and a transmission shaft S-t, the fixed gear Z1 is fixedly mounted on the output shaft of the first motor M1, the fixed gear Z2 is fixedly mounted on the transmission shaft S-t, the floating gear Z3 is mounted on the transmission shaft S-t through the coupling clutch C, the fixed gear Z4 is mounted on the output shaft of the second motor M2, the fixed gear Z1 is meshed with the fixed gear Z2, and the floating gear Z3 is meshed with the fixed gear Z4.
3. The dual-motor transmission structure as claimed in claim 1, wherein the traveling driving force transmission unit includes a fixed gear Z5 and a fixed gear Z6, the fixed gear Z5 is fixedly installed on the output shaft of the first motor M1, the fixed gear Z6 is fixedly installed on the traveling driving force output shaft S-out, and the fixed gear Z5 is engaged with the fixed gear Z6.
4. A two-motor drive system comprising the two-motor transmission structure of any one of claims 1 to 3, further comprising a driver operation input signal connected to the main control system, a low-voltage power supply that supplies power to the main control system, the power supply that supplies power to the first motor M1, a power supply that supplies power to the second motor M2, and a main control system that performs the following control processes:
a. identifying the torque required by the current required walking state and the current rotating speeds of the first motor M1 and the second motor M2 according to the information of the operation input end of the driver and the information of the vehicle state;
b. calculating the maximum output torque of the first motor M1 and the second motor M2 based on the principle of maximizing the motor efficiency;
c. determining a desired state of the coupling clutch C;
d. and controlling the corresponding motor and the clutch to execute corresponding actions.
5. The drive system of claim 4, wherein the driver operational input information includes accelerator and brake pedal opening, work handle opening, forward/reverse/N range, and/or hand brake status information.
6. The drive system according to claim 4, wherein the vehicle state information includes a current vehicle speed of the vehicle, rotation speeds and torque states of the first motor M1 and the second motor M2, a power amount and maximum charge-discharge power of the battery management system, and/or vehicle high-voltage connection state information.
7. The drive system of claim 4, wherein the power source comprises a high voltage battery, a battery management system, a high voltage control box and high voltage accessories, the high voltage control box is connected to the high voltage battery, the high voltage control box is connected to a control signal input of the first motor M1 through a motor controller MCU1, and a control signal input of the second motor M2 is connected to a motor controller MCU 2.
8. The drive system of claim 7, wherein the low voltage power supply provides power to a battery management system, the battery management system is signally connected to the master control system, the motor controller MCU1 is signally connected to the master control system, and the motor controller MCU2 is signally connected to the master control system.
9. An electric working vehicle, characterized by comprising the two-motor drive system according to any one of claims 4 to 8, and further comprising a traveling system to which the traveling drive force output shaft S-out is connected.
CN202110898599.5A 2021-08-05 2021-08-05 Double-motor transmission structure, driving system and electric engineering vehicle Pending CN113415153A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272360A (en) * 1999-03-24 2000-10-03 Daihatsu Motor Co Ltd Hybrid car with automatic manual transmission
CN108349361A (en) * 2015-11-09 2018-07-31 沃尔沃卡车集团 Vehicle engine assembly
CN110103698A (en) * 2019-04-25 2019-08-09 中汽研（天津）汽车工程研究院有限公司 A kind of hybrid power system and working method of electric machine built-in double clutch
CN212046874U (en) * 2020-05-20 2020-12-01 华人运通(江苏)技术有限公司 Speed change assembly, driving system and vehicle
CN212685243U (en) * 2020-08-21 2021-03-12 华人运通(江苏)技术有限公司 Drive system and vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272360A (en) * 1999-03-24 2000-10-03 Daihatsu Motor Co Ltd Hybrid car with automatic manual transmission
CN108349361A (en) * 2015-11-09 2018-07-31 沃尔沃卡车集团 Vehicle engine assembly
CN110103698A (en) * 2019-04-25 2019-08-09 中汽研（天津）汽车工程研究院有限公司 A kind of hybrid power system and working method of electric machine built-in double clutch
CN212046874U (en) * 2020-05-20 2020-12-01 华人运通(江苏)技术有限公司 Speed change assembly, driving system and vehicle
CN212685243U (en) * 2020-08-21 2021-03-12 华人运通(江苏)技术有限公司 Drive system and vehicle

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