CN101603588A - The method for detecting position of gear shift of double-clutch automatic transmission mechanism and system - Google Patents
The method for detecting position of gear shift of double-clutch automatic transmission mechanism and system Download PDFInfo
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- CN101603588A CN101603588A CNA2009100548104A CN200910054810A CN101603588A CN 101603588 A CN101603588 A CN 101603588A CN A2009100548104 A CNA2009100548104 A CN A2009100548104A CN 200910054810 A CN200910054810 A CN 200910054810A CN 101603588 A CN101603588 A CN 101603588A
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/70—Inputs being a function of gearing status dependent on the ratio established
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Abstract
The present invention discloses the method for detecting position and the system of a kind of gear shift of double-clutch automatic transmission mechanism, and described gearshift mechanism comprises some gearshift forks; Described gearshift fork can first interval, second interval, and first interval and second interval between neutral area between slide; Described gearshift fork is provided with magnetic and triggers element, is provided with the PLCD sensor near described magnetic triggers element; Described PLCD sensor is by the position of the magnetic triggering element of the described gearshift fork of induction, output corresponding signal.Gear shift of double-clutch automatic transmission mechanism position detecting method and system that the present invention proposes, utilize the PLCD sensor as position transducer, by detecting the position of the magnetic triggering element on the reverse shift fork, according to the logical flow chart of formulating, judge the residing position of reverse shift fork, thereby judge the range state of speed changer.
Description
Technical field
The invention belongs to the sensing control technical field, relate to a kind of gearshift mechanism, relate in particular to the method for detecting position and the system of a kind of gear shift of double-clutch automatic transmission mechanism.
Background technique
Automotive transmission mainly comprises manual transmission, automatic transmission.
Manual transmission (MT) also claims manually retaining, promptly stirs shift handle with hand and changes gear engagement position in the speed changer, changes velocity ratio, thereby reaches the purpose of speed change.When stepping on clutch pedal, can stir shift handle.
Automatic transmission (AT) is to utilize mechanisms such as planetary pinion and fluid torque converter to carry out speed change, and it can automatically carry out speed change according to the variation of the gas pedal and the speed of a motor vehicle, and the driver only need handle the gas pedal control speed of a motor vehicle and get final product.
Then, the double-clutch automatic gearbox of general automatic transmission system occurs being different from, except the travelling comfort of the flexibility that has manual transmission and automatic transmission, can also provide unremitting power output.
The principle of double-clutch automatic gearbox and traditional manual transmission have similarity, different is to adopt the gear changing mode of control automatically, therefore need detect automatically the position of reverse shift fork,, and further shift fork be controlled automatically so that control program judges.
Summary of the invention
Technical problem to be solved by this invention is: the method for detecting position of a kind of gear shift of double-clutch automatic transmission mechanism is provided, and it is more accurate to transmit signal, and error is littler, disturbs still less.
In addition, the present invention also provides the position detecting system of a kind of gear shift of double-clutch automatic transmission mechanism.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
The method for detecting position of a kind of gear shift of double-clutch automatic transmission mechanism, described gearshift mechanism comprises some gearshift forks; Described gearshift fork can first interval, second interval, and first interval and second interval between neutral area between slide; Magnetic is set on described gearshift fork triggers element, near described magnetic triggers element, the PLCD sensor is set; Described PLCD sensor is by the position of the magnetic triggering element of the described gearshift fork of induction, output corresponding signal.
As a preferred embodiment of the present invention, the described first interval respective coordinates (L12, L11), when the gearshift fork be positioned at first interval, gear of living in is first gear;
The described second interval respective coordinates (L21, L22), when the gearshift fork be positioned at second interval, gear of living in is second gear;
Respective coordinates between described neutral area (L11, L21), when the gearshift fork be positioned between neutral area, gear of living in is a neutral gear;
The position that magnetic on the described PLCD sensor sensing gearshift fork triggers element;
If the position that magnetic triggers element (L12, L11), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in first interval by calculation process;
If the position that magnetic triggers element (L21, L22), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in second interval by calculation process;
If the position that magnetic triggers element (L11, L21), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element between neutral area by calculation process.
As a preferred embodiment of the present invention, between neutral area, described magnetic triggers the middle part that element is positioned at corresponding PLCD sensor.
As a preferred embodiment of the present invention, the middle part of described gearshift fork between neutral area fixed by a locating stud.
As a preferred embodiment of the present invention, described gearshift mechanism comprises 4 gearshift forks, and each gearshift fork is provided with magnetic and triggers element, is respectively equipped with a PLCD sensor near each magnetic triggers element.
As a preferred embodiment of the present invention, the position that the magnetic on the described PLCD sensor sensing gearshift fork triggers element is if the shift fork position coordinate, is judged the engagement of first gear less than Lged; If the shift fork position coordinate, judges that selector fork is between first gear and the meta greater than Lged, less than Lnd; If the shift fork position coordinate greater than Lnd, less than Lnu, judges that selector fork is in meta; If the shift fork position coordinate greater than Lnu, less than Lgeu, judges that reverse shift fork is between second gear and the meta; If the shift fork position coordinate, is judged the engagement of second gear greater than Lgeu; When the change in location of shift fork, the PLCD sensor continues to go out range state according to the position judgment of shift fork.
The position detecting system of a kind of gear shift of double-clutch automatic transmission mechanism, described gearshift mechanism comprises some gearshift forks, described position detecting system is in order to detect the position of the fork of respectively shifting gears; Described gearshift fork can first interval, second interval, and first interval and second interval between neutral area between slide; Described position detecting system comprises that the magnetic that the gearshift fork is provided with triggers element, triggers near the PLCD sensor that is provided with the element in described magnetic; Described PLCD sensor triggers the position output corresponding signal of element by the magnetic of the described gearshift fork of induction.
As a preferred embodiment of the present invention, between neutral area, described magnetic triggers the middle part that element is positioned at corresponding PLCD sensor.
As a preferred embodiment of the present invention, the middle part of described gearshift fork between neutral area fixed by a locating stud.
As a preferred embodiment of the present invention, described gearshift mechanism comprises 4 gearshift forks, and each gearshift fork is provided with magnetic and triggers element, is respectively equipped with a PLCD sensor near each magnetic triggers element.
Beneficial effect of the present invention is: the method for detecting position and the system of the gear shift of double-clutch automatic transmission mechanism that the present invention proposes, utilize the PLCD sensor as position transducer, by detecting the position of the magnetic triggering element on the reverse shift fork, according to the logical flow chart of formulating, judge the residing position of reverse shift fork, thereby judge the range state of speed changer; Simultaneously, signal is more accurate, anti-interference is stronger because the PWM output signal of PLCD sensor under the situation that longer wire harness signal transmits, is transmitted, and this technical characterstic makes it be fit to be applied to the double-clutch automatic gearbox of external TCU more.
Description of drawings
Fig. 1 is the PLCD fundamental diagram.
Fig. 2 is the schematic representation of reverse shift fork position probing.
Fig. 3 is the logical flow chart of reverse shift fork position probing.
Fig. 4 is the graph of a relation of PLCD sensor output signal and reverse shift fork position (synchronizer working state).
Fig. 5-1 is the structural representation of part gearshift mechanism.
Fig. 5-2 is the structural representation of gearshift mechanism.
Fig. 6 is another structural representation of gearshift mechanism.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
The present invention has disclosed the method for detecting position of a kind of gear shift of double-clutch automatic transmission mechanism, main improvement is: the present invention utilizes the position transducer of PLCD (the linear contactless displacement of permanent magnetism) sensor as reverse shift fork, by detecting the position of the magnetic triggering element on the reverse shift fork, according to the logical flow chart of formulating, judge the residing position of reverse shift fork, thereby judge the range state of speed changer.
The PLCD sensor has superior performance, and unique PWM output signal can satisfy the demand of aspects such as the internal environment of double-clutch automatic gearbox and external TCU.
The working principle of PLCD sensor at main coil of the middle part of soft magnetic core parcel, has respectively been wrapped up an energising secondary coil as shown in Figure 1 at the two ends of soft magnetic core.Excitation pulse triggers element (permanent magnet) cutting magnetic line in secondary coil magnetic field by magnetic and produces, and along with magnetic triggers moving of element, exports corresponding electrical signal, thereby can judge that magnetic triggers the position of element.
See also Fig. 6, Fig. 5-1, Fig. 5-2, gearshift mechanism comprises valve body 1, sensor board 2, some gear shifting operators and gearshift fork, two gears of each gearshift fork may command.On the described valve body 1 sensor board 2 is set, PLCD position transducer 3,4,5,6 is set on the described sensor board 2.
See also Fig. 5-1, Fig. 5-2, magnetic triggers element and is contained on the support 113, and the PLCD sensor is contained on the valve body 1.Reverse shift fork 11, support 113 adopt accurate welding to be fixed as one with shift fork axle sleeve 111, and shift fork axle sleeve 111 is enclosed within on the declutch shift shaft 112, and declutch shift shaft 112 is fixed on the case of transmission; Shift fork axle sleeve 111 can move axially along declutch shift shaft 112.Simultaneously, reverse shift fork 11 contacts with tooth cover 20, and reverse shift fork 11 moves axially on declutch shift shaft 112, promotes moving axially of tooth cover 20, thus the action of control synchro.Carry out axially locating by groove on the positioning plate and locating stud, intermediate groove is a neutral position, can guarantee accurate neutral position, prevents misoperation; Locating stud is fixed on the case of transmission, and positioning plate is welded on the shift fork axle sleeve 111.
See also Fig. 2, described gearshift fork 11 can first interval (representing the Y shelves), second interval (representing the X shelves), and first interval and second interval between neutral area between slide.Position detecting system of the present invention comprises that the magnetic that gearshift fork 11 is provided with triggers element 13, is provided with PLCD sensor 12 near described magnetic triggers element 13; Described PLCD sensor 12 triggers the position output corresponding signal of element 13 to control unit by induced magnetism.Middle part between neutral area, described gearshift fork 11 is positioned by a locating stud, and this moment, described magnetic triggered the middle part that element is positioned at corresponding PLCD sensor.
In the present embodiment, it is permanent magnet that described magnetic triggers element 13; Described gearshift mechanism comprises 4 gearshift forks, is equipped with magnetic on each gearshift fork and triggers element, is respectively equipped with a PLCD sensor near each magnetic triggers element.
As shown in Figure 2, according to the working principle of PLCD sensor, permanent magnet 13 is fixed on the reverse shift fork 11.When shift fork 11 is carried out gearshift (for example X retaining, Y retaining), magnet 13 will move in PLCD sensor 12 measuring ranges accordingly, thereby the output signal of PLCD sensor 12 is changed, thereby records the residing position of shift fork.
Fig. 3 is the logical flow chart of reverse shift fork position probing.See also Fig. 3, Fig. 4, the position of described PLCD sensor shift fork, obtain the shift fork position after, can judge range state according to logical flow chart.If the shift fork position coordinate, is judged the engagement of first gear less than Lged; If the shift fork position coordinate, judges that selector fork is between first gear and the meta greater than Lged, less than Lnd; If the shift fork position coordinate greater than Lnd, less than Lnu, judges that selector fork is in meta; If the shift fork position coordinate greater than Lnu, less than Lgeu, judges that reverse shift fork is between second gear and the meta; If the shift fork position coordinate, is judged the engagement of second gear greater than Lgeu.The PLCD sensor detects the position of shift fork in real time, when the change in location of shift fork, and according to logical flow chart, but control unit real-time judge range state, as shown in Figure 3.
See also Fig. 4, the gearshift fork first interval, second interval, and first interval and second interval between neutral area between slide.The described first interval respective coordinates (L12, L11), when the gearshift fork be positioned at first interval, gear of living in is first gear; The described second interval respective coordinates (L21, L22), when the gearshift fork be positioned at second interval, gear of living in is second gear; Respective coordinates between described neutral area (L11, L21), when the gearshift fork be positioned between neutral area, gear of living in is a neutral gear.Between neutral area corresponding above-mentioned (Lged, Lnd), (Lnd, Lnu), (Lnu, Lgeu) three intervals.
The position that the magnetic of described PLCD sensor sensing gearshift fork triggers element; If the position that magnetic triggers element (L12, L11), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in first interval by calculation process; If the position that magnetic triggers element (L21, L22), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in second interval by calculation process; If the position that magnetic triggers element (L11, L21), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element between neutral area by calculation process.
Fig. 4 is the graph of a relation of PLCD sensor output signal and reverse shift fork position (synchronizer working state), and the PLCD sensor output signal sends to control unit, and control unit can be judged range state according to signal.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here disclosed embodiment's distortion and change are possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (10)
1, the method for detecting position of a kind of gear shift of double-clutch automatic transmission mechanism, described gearshift mechanism comprises some gearshift forks; Described gearshift fork can first interval, second interval, and first interval and second interval between neutral area between slide; It is characterized in that:
Magnetic is set on described gearshift fork triggers element, near described magnetic triggers element, the PLCD sensor is set;
Described PLCD sensor is by the position of the magnetic triggering element of the described gearshift fork of induction, output corresponding signal.
2, the method for detecting position of gear shift of double-clutch automatic transmission according to claim 1 mechanism is characterized in that this method comprises the steps:
The position of described PLCD sensor shift fork,
If the shift fork position coordinate, is judged the engagement of first gear less than Lged;
If the shift fork position coordinate, judges that selector fork is between first gear and the meta greater than Lged, less than Lnd;
If the shift fork position coordinate greater than Lnd, less than Lnu, judges that selector fork is in meta;
If the shift fork position coordinate greater than Lnu, less than Lgeu, judges that reverse shift fork is between second gear and the meta;
If the shift fork position coordinate, is judged the engagement of second gear greater than Lgeu.
3, the method for detecting position of gear shift of double-clutch automatic transmission according to claim 1 mechanism is characterized in that:
The described first interval respective coordinates (L12, L11), when the gearshift fork be positioned at first interval, gear of living in is first gear;
The described second interval respective coordinates (L21, L22), when the gearshift fork be positioned at second interval, gear of living in is second gear;
Respective coordinates between described neutral area (L11, L21), when the gearshift fork be positioned between neutral area, gear of living in is a neutral gear;
The position that the magnetic of described PLCD sensor sensing gearshift fork triggers element;
If the position that magnetic triggers element (L12, L11), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in first interval by calculation process;
If the position that magnetic triggers element (L21, L22), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element in second interval by calculation process;
If the position that magnetic triggers element (L11, L21), the PLCD sensor sends the control unit of this position information to gearshift mechanism, this control unit parses this magnetic and triggers element between neutral area by calculation process.
4, the method for detecting position of gear shift of double-clutch automatic transmission according to claim 1 mechanism is characterized in that:
Between neutral area, described magnetic triggers the middle part that element is positioned at corresponding PLCD sensor.
5, the method for detecting position of gear shift of double-clutch automatic transmission according to claim 1 mechanism is characterized in that:
The middle part of described gearshift fork between neutral area fixed by a locating stud.
6, the method for detecting position of gear shift of double-clutch automatic transmission according to claim 1 mechanism is characterized in that:
Described gearshift mechanism comprises 4 gearshift forks, and each gearshift fork is provided with magnetic and triggers element, is respectively equipped with a PLCD sensor near each magnetic triggers element.
7, the position detecting system of a kind of gear shift of double-clutch automatic transmission mechanism, described gearshift mechanism comprises some gearshift forks; Described gearshift fork can first interval, second interval, and first interval and second interval between neutral area between slide; It is characterized in that:
Described position detecting system comprises that the magnetic that the gearshift fork is provided with triggers element, reaches in described magnetic and trigger near the PLCD sensor that is provided with the element, and this PLCD sensor triggers the position output corresponding signal of element by the magnetic of the described gearshift fork of induction.
8, the position detecting system of gear shift of double-clutch automatic transmission according to claim 7 mechanism is characterized in that:
Between neutral area, described magnetic triggers the middle part that element is positioned at corresponding PLCD sensor.
9, the position detecting system of gear shift of double-clutch automatic transmission according to claim 7 mechanism is characterized in that:
The middle part of described gearshift fork between neutral area fixed by a locating stud.
10, the position detecting system of gear shift of double-clutch automatic transmission according to claim 7 mechanism is characterized in that:
Described gearshift mechanism comprises 4 gearshift forks, and each gearshift fork is provided with magnetic and triggers element, is respectively equipped with a PLCD sensor near each magnetic triggers element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100548104A CN101603588A (en) | 2009-07-14 | 2009-07-14 | The method for detecting position of gear shift of double-clutch automatic transmission mechanism and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100548104A CN101603588A (en) | 2009-07-14 | 2009-07-14 | The method for detecting position of gear shift of double-clutch automatic transmission mechanism and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221081A (en) * | 2010-04-15 | 2011-10-19 | 通用汽车环球科技运作公司 | Fork position and synchronization control in a dual clutch transmission using pressure control solenoids |
| CN103201608A (en) * | 2010-10-28 | 2013-07-10 | 舍弗勒技术股份两合公司 | Method for activating a drive train in a motor vehicle |
| CN103940331A (en) * | 2013-01-23 | 2014-07-23 | 斯蒂沃控股有限公司 | Method For Manufacturing Shift Fork For Transmission |
| US8844393B2 (en) | 2010-04-15 | 2014-09-30 | GM Global Technology Operations LLC | Fork position and synchronization control in a dual clutch transmission using pressure control solenoids |
| CN104197000A (en) * | 2014-09-23 | 2014-12-10 | 上海森太克汽车电子有限公司 | External neutral position sensor structure |
| CN104246317A (en) * | 2012-04-25 | 2014-12-24 | 本田技研工业株式会社 | Control device for automatic transmission |
| CN105864424A (en) * | 2016-04-07 | 2016-08-17 | 宁波上中下自动变速器有限公司 | Double-clutch transmission hydraulic control system |
| CN106907478A (en) * | 2015-12-22 | 2017-06-30 | 中联重机股份有限公司 | The automatically controlled shift control apparatus of automatically controlled shift control method, speed changer and system |
| CN108223774A (en) * | 2018-01-11 | 2018-06-29 | 吉林大学 | A kind of single cone lock loop synchronizer is put into gear, plucks the fork controls method of gear |
| CN109322875A (en) * | 2017-08-01 | 2019-02-12 | 上海汽车集团股份有限公司 | A kind of fault detection and countermeasure of pressure valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774465A (en) * | 1986-03-27 | 1988-09-27 | Vacuumschmelze Gmbh | Position sensor for generating a voltage changing proportionally to the position of a magnet |
| DE4208888A1 (en) * | 1992-03-19 | 1993-09-23 | Fichtel & Sachs Ag | Gear ratio detector e.g. for vehicle manual or automatic transmission - is based on combination of outputs from sensors of positions of magnets fixed to protrusions from gear-shift rods |
| WO2008049474A1 (en) * | 2006-10-26 | 2008-05-02 | Wabco Gmbh | Apparatus for sensing gearbox shifting positions |
-
2009
- 2009-07-14 CN CNA2009100548104A patent/CN101603588A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774465A (en) * | 1986-03-27 | 1988-09-27 | Vacuumschmelze Gmbh | Position sensor for generating a voltage changing proportionally to the position of a magnet |
| DE4208888A1 (en) * | 1992-03-19 | 1993-09-23 | Fichtel & Sachs Ag | Gear ratio detector e.g. for vehicle manual or automatic transmission - is based on combination of outputs from sensors of positions of magnets fixed to protrusions from gear-shift rods |
| WO2008049474A1 (en) * | 2006-10-26 | 2008-05-02 | Wabco Gmbh | Apparatus for sensing gearbox shifting positions |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221081A (en) * | 2010-04-15 | 2011-10-19 | 通用汽车环球科技运作公司 | Fork position and synchronization control in a dual clutch transmission using pressure control solenoids |
| US8844393B2 (en) | 2010-04-15 | 2014-09-30 | GM Global Technology Operations LLC | Fork position and synchronization control in a dual clutch transmission using pressure control solenoids |
| CN103201608A (en) * | 2010-10-28 | 2013-07-10 | 舍弗勒技术股份两合公司 | Method for activating a drive train in a motor vehicle |
| CN103201608B (en) * | 2010-10-28 | 2016-04-27 | 舍弗勒技术股份两合公司 | For the method making the power train in vehicle put into operation |
| CN104246317B (en) * | 2012-04-25 | 2016-02-24 | 本田技研工业株式会社 | The control gear of automatic transmission |
| CN104246317A (en) * | 2012-04-25 | 2014-12-24 | 本田技研工业株式会社 | Control device for automatic transmission |
| CN103940331A (en) * | 2013-01-23 | 2014-07-23 | 斯蒂沃控股有限公司 | Method For Manufacturing Shift Fork For Transmission |
| CN103940331B (en) * | 2013-01-23 | 2018-02-23 | 斯蒂沃控股有限公司 | For the method for the selector fork for manufacturing speed changer |
| CN104197000A (en) * | 2014-09-23 | 2014-12-10 | 上海森太克汽车电子有限公司 | External neutral position sensor structure |
| CN106907478A (en) * | 2015-12-22 | 2017-06-30 | 中联重机股份有限公司 | The automatically controlled shift control apparatus of automatically controlled shift control method, speed changer and system |
| CN106907478B (en) * | 2015-12-22 | 2019-03-05 | 中联重机股份有限公司 | The automatically controlled shift control apparatus of automatically controlled shift control method, speed changer and system |
| CN105864424A (en) * | 2016-04-07 | 2016-08-17 | 宁波上中下自动变速器有限公司 | Double-clutch transmission hydraulic control system |
| CN109322875A (en) * | 2017-08-01 | 2019-02-12 | 上海汽车集团股份有限公司 | A kind of fault detection and countermeasure of pressure valve |
| CN108223774A (en) * | 2018-01-11 | 2018-06-29 | 吉林大学 | A kind of single cone lock loop synchronizer is put into gear, plucks the fork controls method of gear |
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Application publication date: 20091216 |