CN109973608A - A kind of two gear gearboxes of new-energy automobile - Google Patents
A kind of two gear gearboxes of new-energy automobile Download PDFInfo
- Publication number
- CN109973608A CN109973608A CN201910234770.5A CN201910234770A CN109973608A CN 109973608 A CN109973608 A CN 109973608A CN 201910234770 A CN201910234770 A CN 201910234770A CN 109973608 A CN109973608 A CN 109973608A
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- gear
- output
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- input
- differential
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Classifications
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- 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
- F16H37/0806—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 with a plurality of driving or driven shafts
- F16H37/0813—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 with a plurality of driving or driven shafts with only one input shaft
-
- 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
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2884—Screw-nut devices
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/3063—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using screw devices
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a kind of two gear gearboxes of new-energy automobile, including housing assembly, executing agency and gear drive, executing agency include shift fork, shift motor, the rotary motion of shift motor output end is converted to fork linear movement reforming unit, the output end of shift motor is connected by reforming unit with fork, and gear drive includes input shaft tooth shaft assembly, output shaft tooth shaft assembly and differential assembly；Input shaft tooth shaft assembly includes input gear axle, one grade of input gear and second gear input gear, and the output end of input gear axle and driving motor is fixedly linked；Output shaft tooth shaft assembly includes a gear output gear, second gear output gear, differential sliding clutch, output gear shaft and synchronizer, and synchronizer is engaged with a gear output gear or second gear output gear；Differential assembly includes differential side gear and differential mechanism ontology.Technical solution of the present invention, which has, implements that technical difficulty is small, the low advantage of manufacturing cost.
Description
Technical field
The present invention relates to new-energy automobile fields, and in particular to a kind of two gear gearboxes of new-energy automobile.
Background technique
Existing new-energy automobile mostly uses single reduction gear, and mainstream car design is still taken with the drive form of whole bridge at present
Carry electric car.There are problems: the power of motor that single reduction gear is driven is bigger than normal, and efficiency section is small, cannot continue output more
High torque power；The mechanism of whole bridge designs, for the motor and retarder system for guaranteeing its carrying of the intensity and lightweight of bridge
Power is restricted, and cannot provide more driving power.Newest new energy two, which keeps off gearbox, at present DCT, CVT configuration two
Gearbox is kept off, such configuration scheme also can achieve promotion driveability, but its higher cost, and practicability requires high.New energy
The Schaeffler two that the gearbox of automobile carries at present keeps off electric drive axle (2-speedeAxle) vehicle and lists in Chinese market.It should
The scheme of two gear gearboxes is equipped with clutch system, is realized by planetary gear set, and technical difficulty is big, higher in cost,
Be not suitable for the vehicle application of A grades of platforms.Therefore, it is necessary to propose a kind of new technical solution.
Summary of the invention
The present invention proposes a kind of two gear gearboxes of new-energy automobile, solve technical difficulty of the existing technology greatly and
Problem at high cost.
To achieve the goals above, the technical scheme is that a kind of new-energy automobile two gear gearboxes, including shell
Body assembly, executing agency and the gear drive in the housing assembly, the executing agency include shift fork, pass through
The positive and negative rotation of output end come realize shift motor that gear switches between one or two grades, by the rotary motion of shift motor output end
Be converted to the reforming unit of the linear movement of the fork, the output end of the shift motor by the reforming unit with it is described
Fork is connected, and the output end of the shift motor protrudes into the housing assembly, and the fork and the reforming unit are located at institute
It states in housing assembly, the gear drive includes input shaft tooth shaft assembly, output shaft tooth shaft assembly and differential assembly.
The input shaft tooth shaft includes input gear axle, one grade of input gear and second gear input gear, the input gear
The output end of axis and driving motor is fixedly linked, and one grade of input gear and second gear input gear are respectively fixedly disposed at described
In input gear axle.
The output shaft tooth shaft assembly includes gear an output gear, second gear output gear, differential sliding clutch, output gear
Wheel shaft and be connected with the fork and can along the output gear shaft move axially synchronizer, one grade of output gear with
One grade of input gear is meshed, and the second gear output gear is meshed with the second gear input gear, the differential mechanism master
Moving gear fixation is set on the output gear shaft, the synchronizer, a gear output gear and second gear output gear movable sleeve
It is located on the output gear shaft, the synchronizer is engaged with a gear output gear or second gear output gear.
The differential assembly includes differential side gear and differential mechanism ontology, the differential side gear and institute
It states differential sliding clutch to be meshed, the differential side gear is fixedly connected with the differential mechanism ontology, the differential mechanism
Ontology is connected exporting revolving speed and torque to wheel with output axle shaft.
Preferably, the reforming unit includes the lead screw shaft being connected with the output end of the shift motor, and the fork is opened
Equipped with the screw hole matched with the lead screw shaft, the fork activity is located in the lead screw shaft.
Preferably, the input gear axle, one grade of input gear and second gear input gear are integrally formed.
Preferably, the housing assembly includes connected gearbox front housing body and gearbox rear housing body.
Preferably, the gearbox front housing body is additionally provided with the balance for guaranteeing the housing assembly internal and external environment air pressure
Breather valve.
Compared with prior art, the present invention has an advantage that a kind of new-energy automobile proposed by the present invention is become with two gears
Fast case, when not shifting gears, the driving motor driving input gear axle of automobile drives one grade of input gear and second gear input gear same
Step rotation, in shift, shift motor changes rotation direction, and lead screw rotational axis direction also changes accordingly, and shift fork meeting
Drive synchronizer along output gear shaft move axially, by before synchronizer with one gear output gear in conjunction with, become synchronizer and
Second gear output gear combines, in this way the revolving speed and torque of output second gear speed ratio, eventually by differential assembly by revolving speed and torque
Output is on wheel, and this completes the movements that second gear is changed to by one grade, and if synchronizer and second gear output gear before
Wheel combines, and shift motor rotation direction changes, and synchronizer will be detached from second gear output gear, in conjunction with one grade of output gear,
The revolving speed and torque of one gear speed ratio of output in this way, exports revolving speed and torque to wheel eventually by differential assembly, in this way
The movement that a gear is changed to by two grades is just completed, not only technical difficulty is low for such gearshift, and it is low to implement manufacturing cost.
Therefore, technical solution of the present invention, which has, implements that technical difficulty is small, the low advantage of manufacturing cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cross-sectional view of the invention.
In figure: 1-housing assembly, 2-executing agencies, 3-gear drives, 11-gearbox front housing bodies, 12-become
Fast case back casing, 13-breather valves, 14-input axle sensors, 15-displacement sensors, 21-forks, 22-shift motors,
31-input shaft tooth shaft assemblies, 32-output shaft tooth shaft assemblies, 33-differential assemblies, 311-input gear axles, 312-one
Shelves input gear, 313-two grades of input gears, 321-one gear output gear, 322-second gear output gears, 323-differential mechanisms
Driving gear, 324-output gear shafts, 325-synchronizers, 331-differential side gears, 332-differential mechanism ontologies,
333-velocity pick-up gear rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, Fig. 1 is the structural diagram of the present invention；Fig. 2 is cross-sectional view of the invention.
A kind of new-energy automobile proposed by the present invention two gear gearboxes, including housing assembly 1, executing agency 2 and position
In the gear drive 3 in housing assembly 1, executing agency 2 realizes gear including shift fork 21, by the positive and negative rotation of output end
The rotary motion of shift motor output end is converted to the linear movement of fork by the shift motor 22 that switches between one or two grades
Reforming unit (not shown), above-mentioned component belong to the component of the hardware view of gearbox, and gearbox also has for controlling
The component of hardware view makes the control system of appropriate gear switch on suitable opportunity, including according to current speed change box-like
State and the operational requirements of driver carry out a series of programming codes of shift control, in Full Vehicle System uninterruptedly and vehicle
Real-time, interactive between CAN network and coherent signal collector.Control system acquires the information and root of gearbox by sensor
It is believed that breath judge whether issue gear shifting signal, and shift motor 22 receive above-mentioned gear shifting signal and by the positive and negative rotation of output end come
Realize shift process.
As depicted in figs. 1 and 2, the output end of shift motor 22 is connected by reforming unit with fork 21, shift motor 22
Output end protrude into housing assembly 1, fork 21 and reforming unit are located in housing assembly 1, and housing assembly 1 includes connected change
Fast case procapsid 11 and gearbox rear housing body 12, after the docking of gearbox front housing body 11 and gearbox rear housing body 12 is connected, the two it
Between surround a space, transmission system inside envelope provides good seal, stable delivery context.Gearbox front housing body 11 is logical
Flange face bolt is crossed to be fixedly connected with driving motor.What all driving motors referred in text is provided for entire new-energy automobile
The driving motor of power.Gearbox front housing body 11 is additionally provided with the ventilation for guaranteeing the balance of 1 internal and external environment air pressure of housing assembly
Valve 13.Design has gearbox lubricating oil way to realize internal lubrication on gearbox rear housing body 12, and the effect of transmission is effectively ensured in this way
Rate and service life.Housing assembly 1 further includes inputting axle sensor 14, differential mechanism wheel speed sensors and the position by acquiring shift fork 21
Confidence breath Real-time Feedback is monitored to control system and judges the displacement sensor 15 of gearbox state.Input axle sensor
14 pass through the revolving speed of acquisition input gear axle, export input speed signal according to gear rotational pulse.Differential mechanism wheel speed sensors
It is then by acquisition differential mechanism wheel speed gear ring pulse signal input differential mechanism tach signal (i.e. wheel speed signal).Displacement sensor 15
It is then that gearbox state is monitored and judged to control system by acquiring the location information Real-time Feedback of shift fork 21.
When driver starts vehicle, the control system of two gear gearbox connections starts simultaneously at starting.Carry out preliminary examine
Break and feed back to vehicle communication system, current state is shown by correlate meter equipment.When a failure occurs, there will be control system
It is communicated with Full Vehicle System and makes troubleshooting movement.It is carried out in vehicle travel process again when driver's travel speed and throttle
When equal signals satisfaction shift requires, there is control system interaction driving executing agency to carry out gear switching command, and by executing agency
It drives synchronizer to carry out the switching of gear, realizes the operation of different speed ratios.Meet driver in vehicle travel process, drives vehicle
Power demand.
In the present embodiment, reforming unit includes the lead screw shaft being connected with the output end of shift motor 22, and fork 21 offers
The screw hole matched with lead screw shaft, 21 activity of fork are located in lead screw shaft.It is realized by guide screw movement principle by rotary motion
It is converted to linear movement, shift fork 21 here is equivalent to the feed screw nut in guide screw movement principle.
As shown in Fig. 2, gear drive 3 includes input shaft tooth shaft assembly 31, output shaft tooth shaft assembly 32 and differential
Device assembly 33.Input shaft tooth shaft assembly 31 includes 311, one grades of input gears 312 of input gear axle and second gear input gear 313,
Input gear axle 311 and the output end of driving motor are fixedly linked, specifically, the output end of driving motor by internal spline with it is defeated
Enter gear shaft 311 to be fixedly linked.One grade of input gear 312 and second gear input gear 313 are respectively fixedly disposed at input gear axle
On 311.311, one grades of input gears 312 of input gear axle and second gear input gear 313 are integrally formed.Input shaft tooth entire in this way
The structural strength of axle assembly 31 is high, it is not easy to damage.
As shown in Fig. 2, output shaft tooth shaft assembly 32 includes gear an output gear 321, second gear output gear 322, differential mechanism
Driving gear 323, output gear shaft 324 and the synchronizer 325 that is connected with fork 21 and can be moved axially along output gear shaft,
One grade of output gear 321 is meshed with one grade of input gear 312, and second gear output gear 322 is nibbled with 313 phase of second gear input gear
It closes, the fixation of differential sliding clutch 323 is set on output gear shaft 324, and synchronizer 325, one keeps off output gear 321 and second gear
The wheel of output gear 322 is movably set on output gear shaft 324, and synchronizer 325 and one keeps off output gear 321 or second gear output gear
322 engagements.Synchronizer 325 is mobile with fork 21 and moves, and when synchronizer 325 is engaged with a gear output gear 321, output
Gear shaft 324, synchronizer 325 and once gear output gear 321 connect together, rotate synchronously, similarly, and work as synchronizer 325
When engaging with second gear output gear 322, output gear shaft 324, synchronizer 325 and second gear output gear 322 just connect together,
It rotates synchronously.
As shown in Fig. 2, differential assembly 33 includes differential side gear 331 and differential mechanism ontology 332, also has and use
In velocity pick-up gear ring 333 of the revolving speed operating status Real-time Feedback to control system of monitoring differential mechanism, differential side gear
331 are meshed with differential sliding clutch 323, and differential side gear 331 is fixedly connected with differential mechanism ontology 332.Differential mechanism
Ontology 332 is connected exporting revolving speed and torque to wheel with output axle shaft.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of two gear gearboxes of new-energy automobile, which is characterized in that including housing assembly, executing agency and be located at described
Gear drive in housing assembly, the executing agency include shift fork, by the positive and negative rotation of output end realize that gear exists
The rotary motion of shift motor output end is converted to the linear movement of the fork by the shift motor that switches between one or two grades
Reforming unit, the output end of the shift motor are connected by the reforming unit with the fork, the shift motor it is defeated
Outlet protrudes into the housing assembly, and the fork and the reforming unit are located in the housing assembly, the gear drive
Mechanism includes input shaft tooth shaft assembly, output shaft tooth shaft assembly and differential assembly；
The input shaft tooth shaft assembly includes input gear axle, one grade of input gear and second gear input gear, the input gear
The output end of axis and driving motor is fixedly linked, and one grade of input gear and second gear input gear are respectively fixedly disposed at described
In input gear axle；
The output shaft tooth shaft assembly includes gear an output gear, second gear output gear, differential sliding clutch, output gear shaft
And be connected with the fork and can along the output gear shaft move axially synchronizer, one grade of output gear with it is described
One grade of input gear is meshed, and the second gear output gear is meshed with the second gear input gear, the differential mechanism driving tooth
Wheel fixation is set on the output gear shaft, and the synchronizer, a gear output gear and second gear output gear are movably set in
On the output gear shaft, the synchronizer is engaged with a gear output gear or second gear output gear；
The differential assembly includes differential side gear and differential mechanism ontology, the differential side gear and the difference
Fast device driving gear is meshed, and the differential side gear is fixedly connected with the differential mechanism ontology, the differential mechanism ontology
It is connected with output axle shaft exporting revolving speed and torque to wheel.
2. a kind of two gear gearboxes of new-energy automobile according to claim 1, which is characterized in that the reforming unit packet
The lead screw shaft being connected with the output end of the shift motor is included, the fork offers the screw hole matched with the lead screw shaft,
The fork activity is located in the lead screw shaft.
3. a kind of two gear gearboxes of new-energy automobile according to claim 1, which is characterized in that the input gear
Axis, one grade of input gear and second gear input gear are integrally formed.
4. a kind of two gear gearboxes of new-energy automobile according to claim 1, which is characterized in that the housing assembly packet
Include connected gearbox front housing body and gearbox rear housing body.
5. a kind of two gear gearboxes of new-energy automobile according to claim 1, which is characterized in that the gearbox front housing
Body is additionally provided with the breather valve for guaranteeing the balance of the housing assembly internal and external environment air pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234770.5A CN109973608A (en) | 2019-03-26 | 2019-03-26 | A kind of two gear gearboxes of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234770.5A CN109973608A (en) | 2019-03-26 | 2019-03-26 | A kind of two gear gearboxes of new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973608A true CN109973608A (en) | 2019-07-05 |
Family
ID=67080865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234770.5A Withdrawn CN109973608A (en) | 2019-03-26 | 2019-03-26 | A kind of two gear gearboxes of new-energy automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN109973608A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090728A (en) * | 2021-04-23 | 2021-07-09 | 杨升 | Two-gear gearbox with speed change compensation for electric automobile |
| CN115467942A (en) * | 2022-09-24 | 2022-12-13 | 浙江鑫可传动科技有限公司 | Pure electric automobile transmission with disengagement function |
-
2019
- 2019-03-26 CN CN201910234770.5A patent/CN109973608A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090728A (en) * | 2021-04-23 | 2021-07-09 | 杨升 | Two-gear gearbox with speed change compensation for electric automobile |
| CN115467942A (en) * | 2022-09-24 | 2022-12-13 | 浙江鑫可传动科技有限公司 | Pure electric automobile transmission with disengagement function |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190705 |