CN102042386A - Synchronization device for shift transmission - Google Patents
Synchronization device for shift transmission Download PDFInfo
- Publication number
- CN102042386A CN102042386A CN2010105699673A CN201010569967A CN102042386A CN 102042386 A CN102042386 A CN 102042386A CN 2010105699673 A CN2010105699673 A CN 2010105699673A CN 201010569967 A CN201010569967 A CN 201010569967A CN 102042386 A CN102042386 A CN 102042386A
- Authority
- CN
- China
- Prior art keywords
- coupling element
- synchronizing ring
- synchronous body
- described synchronizer
- synchronizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0625—Details of members being coupled, e.g. gears
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0631—Sliding sleeves; Details thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention relates to a synchronization device (12) for a shift transmission (10), which comprises the following components: a synchronization body (14) which can rotate around a rotation axis (A); two synchronization rings (16,18) which are set on axial end faces that are oppositely equipped on the synchronization body (14) and can restrictedly rotate around the rotation axis (A) relatively to the synchronization body (14); and a coupling component (20) which functions on the two synchronization rings (16,18) and couples the two synchronization rings together, wherein the coupling component (20) prevents the relative rotation of the two synchronization rings (16,18) around the rotation axis (A).
Description
Technical field
The present invention relates to a kind of synchronizer of shift transmission, it comprises: synchronous body, and it can be rotated round the spin axis of shift transmission; Two synchronizing ring, they are arranged on the axial end of putting relatively of synchronous body, and can rotate with respect to synchronous body about spin axis restrictedly; And coupling element, they act on two synchronizing ring and with two synchronizing ring and intercouple together.
Wherein there is the locking tooth in the present invention and carries out gear shift by the gear shift sleeve pipe especially at such synchronizer on synchronizing ring.
Background technique
From shift transmission known in the state of the art, in particular for the gear shift sleeve pipe speed changer of Motor Vehicle, it constitutes the synchrom esh transmission with synchronizer usually.If hung up gear, then in this speed changer, be coupled with follower by axially movable gear shift sleeve pipe with the antitorque synchronous body that links to each other of transmission shaft antitorquely.Now if change other gear into, then before allowing to carry out the coupling connection by the gear shift sleeve pipe, synchronizer at first is in harmonious proportion the rotating speed of synchronous body and each follower.
Synchronizer has at least one synchronizing ring usually, it is meshed with the synchronous body of shift transmission, and in gearshift procedure, constitute friction with such follower and is connected, this follower is equipped with to the gear of expecting, is used for reaching synchronization between synchronous body and follower.
Synchronous body is equipped with two synchronizing ring usually, and they are arranged on the axial end of putting relatively of synchronous body, and can rotate with respect to synchronous body about spin axis restrictedly.In this case, owing to the drag torque in the power train, vibrate or rock, the noise that may occur not expecting, this noise causes owing to synchronizing ring strikes on the synchronous body.
In order to prevent this patter patter the noise in the shift transmission, this homochronousness device has been described in DE 102004036507B3, it has the balancing pole that can swing.This balancing pole is designed to the arm beam of steelyard in principle at this, and these two synchronizing ring are coupled like this from middle position, promptly when a synchronizing ring was rotated with respect to synchronous body, another synchronizing ring was rotated with respect to synchronous body in the opposite direction.Balancing pole is designed to the arm beam of steelyard, this all requires great effort aspect configuration aspects and manufacturing technology very much, because all realize accurate oscillating motion in order to ensure all associated components (synchronous body, synchronizing ring and balancing pole), they must be assisted mutually within very tight margin of to lerance and reach an agreement.
Summary of the invention
Therefore the objective of the invention is, create a kind of synchronizer, it reduces reliably under all very low situation of constructions cost and manufacture cost or prevents the above-mentioned noise of not expecting.
By the present invention, this purpose is achieved by the synchronizer of the above-mentioned type, and wherein coupling element prevents that two synchronizing ring from rotating relatively round spin axis mutually.
The present invention is based on such theory, synchronizing ring " in the same way
Be that the antitorque noise development aspect that is coupling in has positive effect, this at least with from well known in the prior art " reverse
It is similar to be coupled, and wherein synchronizing ring is swung on the direction of opposition by the coupling element that constitutes the arm beam of steelyard in the prior art.For synchronizing ring was rotated such mode of execution that intercouples limitedly, the overall cost of antitorque coupling was obviously lower.
In the embodiment of synchronizer, synchronous body has coupled sections, is used for holding coupling element.
This coupled sections especially is arranged on the radial outer side of synchronous body, and wherein synchronous body preferably has outer toothed portion, and this outer toothed portion was upwards interrupted by coupled sections in week.Therefore this coupled sections can touch from the outside easily, and therefore can radially realize the installation and removal of coupling element simply from the outside on synchronous body.
A plurality of coupled sections preferably are set, are used for holding respectively coupling element, wherein outer toothed portion is alternately interrupted by coupled sections and groove part section, and this groove part section is used for holding respectively pressure piece.The design now that therefore can continue to keep synchronous body unchangeably, this synchronous body have the groove part section that is distributed on the circumference being used for holding respectively pressure piece, and are only replenished by coupled sections respectively between the groove part section.By the interruption of outer toothed portion, this coupled sections can be arranged on the synchronous body with very little cost.Therefore can determine,, also can never influence the function of driver although the extra interruption of outer toothed portion has been arranged.But the peripheral force no problem ground that occurs between synchronous body and gear shift sleeve pipe transmits by the portion's section that stays, have outer toothed portion.
In another embodiment of synchronizer, coupling element is independent member, and two synchronizing ring are to be equal to part.This point is favourable aspect manufacturing technology and storage.
But what alternatively also can consider is, coupling element can carry out the transition among of synchronizing ring, so that make the quantity of part the least possible integratedly.
By drawing other suitable structural scheme and advantage thereof of the present invention in the dependent claims.
Description of drawings
By preferred embodiment illustrated in the accompanying drawings the present invention is described below.Wherein:
Fig. 1 there is shown shift transmission in perspective, and it has by synchronizer of the present invention;
Fig. 2 there is shown the zone of coupled sections at the details section of Fig. 1;
Fig. 3 shows the similar details sectional drawing with Fig. 2, but does not have synchronous body; And
Fig. 4 shows the similar details sectional drawing with Fig. 2, but does not have coupling element.
Embodiment
Fig. 1 shows the shift transmission 10 that is used for Motor Vehicle, and it has synchronizer 12.Synchronizer 12 comprises at this: synchronous body 14, and it can be rotated round the spin axis A of shift transmission 10; Two synchronizing ring 16,18, they are arranged on the axial end of putting relatively of synchronous body 14, and can rotate with respect to synchronous body 14 about spin axis A restrictedly; And a plurality of coupling elements 20, they act on two synchronizing ring 16,18 and with them and intercouple together.These coupling elements 20 prevent that two synchronizing ring 16,18 from rotating relatively round axis A.Because two synchronizing ring 16,18 are coupled mutually about spin axis A antitorquely, so can avoid the noise do not expected to a great extent, this noise does not produce owing to synchronizing ring 16,18 collides on the synchronous body 14 in having the conventional synchronizer of coupler component.In the synchronizer of routine, this collision noise or patter patter noise are to produce by the drag torque between follower and the synchronizing ring, or by the vibration in the power train of shift transmission or rock and produce.
In the description of Fig. 2 to 4, study the characteristics of synchronizer 12 aspect structure more accurately.
Shift transmission 10 by Fig. 1 also has gear shift sleeve pipe 22 and two followers 24,26 except synchronizer 10, this gear shift sleeve pipe 22 is provided with to such an extent that be antitorque and can move axially with respect to synchronous body 14, these two followers 24,26 are arranged on the axial end of putting relatively of synchronous body 14, and alternately link to each other with synchronous body 14 by gear shift sleeve pipe 22 antitorquely.Each synchronizing ring 16,18 that is arranged between follower 24,26 and the synchronous body 14 has locking tooth 28,30 at this, and it can block or discharge the axial displacement of gear shift sleeve pipe 22 towards each follower 24,26.
For clear, Fig. 1 does not illustrate the transmission shaft that links to each other with synchronous body 14 antitorquely, and follower 24,26 intactly is not shown.Definite says, only marks the gear shift tooth portion 32,34 of follower 24,26 in Fig. 1, but this understanding of the present invention is fully enough.
Based on the reason of description technique, gear shift sleeve pipe 22 in Fig. 1 axially on also away from synchronous body 14, so that can see details in the outer circumferential area of synchronous body 14 better.It should be understood that under the assembled state of shift transmission 10 this gear shift sleeve pipe 22 and synchronous body 14 are by internal tooth portion 36 or outer toothed portion 38 each other antitorquely, axially movably link to each other.
In addition, the outer toothed portion 38 of synchronous body 14 is also interrupted by a plurality of groove part sections 42, and this groove part section 42 is used for holding pressure piece 44 respectively.From the structure and the task of pressure piece 44 known in the state of the art, therefore the also known fundamental function that constitutes the shift transmission 10 of gear shift sleeve pipe speed changer is not elaborated to this.
Be provided with a plurality of coupled sections 40 by Fig. 1, they are used for holding coupling element 20 respectively, and wherein the outer toothed portion 38 of synchronous body 14 is alternately interrupted by coupled sections 40 and groove part section 42, and they are used for holding coupling element or pressure piece 44 respectively.
Especially preferred is to be provided with three coupled sections 40 and three groove part sections 42 at this.
Fig. 2 to 4 shows the details sectional drawing of synchronizer 12 in the zone of coupled sections 40 by Fig. 1 respectively, and synchronous body 14 wherein is not shown in Fig. 3, coupling element 20 is not shown, so that can see the geometrical shape of other part better in Fig. 4.
In an illustrated embodiment, guide section 46 constitutes lintel (with reference to Fig. 4), and coupling element 20 has the holding part section 48 (with reference to Fig. 3) of U-shaped, and this holding part section 48 surrounds this lintel (with reference to Fig. 1 and 2) and can upwards move in week along this lintel.
Alternative is that guide section 46 also can constitute notch, in holding part section 48 these notches of utilization protuberance embedding of coupling element 20.
Press the embodiment of Fig. 1 to 4, synchronizing ring 16,18 can move relative to one another in the axial direction.This point for example is achieved in the following manner, be that coupling element 20 has the projection 50 that especially is the pin shape at least on axial end portion, this projection 50 extend in the dimple 52 of adjacent synchronizing ring 16,18, the axially movably guiding in this dimple 52 of its protrusions 50.
For fear of making a noise in the zone of coupled sections 40, projection 50 and dimple 52 upwards seamlessly were connected with each other to a great extent in week, and guide section 46 and holding part section 48 seamlessly are connected with each other in the axial direction to a great extent.Slight press fit also may be favourable, slight, when promoting because of carelessness, prevent that each part in the synchronizer 12 from carrying out relative movement, and prevent issuable thus noise.
In the alternate embodiment of synchronizer 12, synchronizing ring 16,18 can be connected with each other in the axial direction even regularly by coupling element 20.
Because the layout on the excircle of synchronous body 14 is pressed present embodiment by inserting in the radial direction, just coupling element 20 can be installed easily.
If but for example outer toothed portion 38 should continue to remain in the zone of single coupled sections 40 or each coupled sections 40, also can alternative consideration be, synchronous body 14 has the axial drilling that upwards constitutes slotted hole in week, and coupling element 20 extends to another synchronizing ring 18 by this boring from a synchronizing ring 16.
Press accompanying drawing 1 to 4, coupling element 20 is independent members, and two synchronizing ring the 16, the 18th are equal to part.This has simplified the manufacturing and the storage of the synchronizing ring 16,18 of shift transmission 10.But alternative is, coupling element 20 also can carry out the transition among of two synchronizing ring 16,18 integratedly.Therefore, can reduce the quantity of single part.
When the quantity of coupled sections 40 is even number preferred two or four, each coupling element 20 also alternately carries out the transition in the synchronizing ring 16,18 integratedly, therefore when coupled sections 40 for example was four, two coupling elements 20 were integrated in each synchronizing ring 16,18 integratedly.Therefore, can reduce the quantity of single part, synchronizing ring 16,18 constitutes and is equal to part simultaneously.In the zone that concurs with coupling element 20 respectively, corresponding synchronous ring 16,18 has the accommodating part that is used for coupling element 20, for example presses the accommodating part 52 of Fig. 4.
The application of the synchronizer 12 of described synchronizing ring 16,18 with antitorque coupling is not limited in the special tectonic mode of shift transmission 10.What for example can mention is, the described coupling of two synchronizing ring 16,18 both had been applicable to the gear shift sleeve pipe speed changer with external sync, also was applicable to have the inner gear shift sleeve pipe speed changer of (especially pressing Burger Wa Na system (Borg-Warner-System)) synchronously.In addition, simple synchronization shown in theory of the present invention also is not limited only to (on each side of synchronous body 14, having a synchronizing ring 16,18 respectively), but but no problem be transformed into dual or multiple synchronous (on each side of synchronous body 14, having a plurality of synchronizing ring 16,18).
Claims (18)
1. the synchronizer of shift transmission (10), it comprises:
Synchronous body (14), it can be rotated round the spin axis (A) of shift transmission (10);
Two synchronizing ring (16,18), they are arranged on the axial end of putting relatively of synchronous body (14), and can rotate with respect to synchronous body (14) about spin axis (A) restrictedly;
Coupling element (20), it acts on two synchronizing ring (16,18) and upward and with them intercouples together,
It is characterized in that this coupling element (20) prevents that two synchronizing ring (16,18) from rotating relatively round spin axis (A) each other.
2. by the described synchronizer of claim 1, it is characterized in that coupling element (20) is upwards gone up guiding in synchronous body (14) movably in week.
3. by each described synchronizer of aforesaid right requirement, it is characterized in that coupling element (20) immovably is fixed on the synchronous body (14) vertically.
4. by each described synchronizer of aforesaid right requirement, it is characterized in that synchronizing ring (16,18) can move relative to each other in the axial direction.
5. by each described synchronizer of claim 1 to 3, it is characterized in that synchronizing ring (16,18) is connected with each other vertically regularly by coupling element (20).
6. by each described synchronizer of aforesaid right requirement, it is characterized in that synchronous body (14) has the coupled sections (40) that is used to hold coupling element (20).
7. by the described synchronizer of claim 6, it is characterized in that, coupled sections (40) has the guide section (46) that is used for coupling element (20), and described guide section (46) was upwards extended in week, and wherein said guide section (46) preferably constitutes lintel or notch.
8. by the described synchronizer of claim 7, it is characterized in that coupling element (20) has the U-shaped holding part section (48) that surrounds this lintel, has the protuberance that stretches in the described notch in other words.
9. by each described synchronizer of aforesaid right requirement, it is characterized in that coupling element (20) has the projection (50) of pin shape at least on axial end, this projection (50) extend in the dimple (52) of adjacent synchronizing ring (16,18).
10. by the described synchronizer of claim 9, it is characterized in that projection (50) is guiding in this dimple (52) movably vertically.
11. each the described synchronizer by claim 6 to 10 is characterized in that synchronous body (14) has outer toothed portion (38), this outer toothed portion (38) was upwards interrupted by coupled sections (40) in week.
12. by the described synchronizer of claim 11, it is characterized in that, be provided with a plurality of coupled sections (40) and be used for holding respectively coupling element (20), wherein outer toothed portion (38) is alternately interrupted by coupled sections (40) and groove part section (42), and this groove part section (42) is used for holding respectively pressure piece (44).
13. each described synchronizer by the aforesaid right requirement, it is characterized in that, synchronous body (14) has the axial drilling that upwards constitutes slotted hole in week, and coupling element (20) extends to another synchronizing ring (18,16) by this boring from a synchronizing ring (16,18).
14. each the described synchronizer by the aforesaid right requirement is characterized in that coupling element (20) is independent member, two synchronizing ring (16,18) are to be equal to part.
15., it is characterized in that coupling element (20) carries out the transition among of described synchronizing ring (16,18) by each described synchronizer of claim 1 to 13 integratedly.
16., it is characterized in that synchronizing ring (16,18) constitutes and is equal to part by the described synchronizer of claim 15.
17. each the described synchronizer by the aforesaid right requirement is characterized in that it constitutes the inter-sync device.
18. be used for the shift transmission of Motor Vehicle, it has:
Each described synchronizer (12) by the aforesaid right requirement;
Gear shift sleeve pipe (22), it is with respect to the antitorque ground of synchronous body (14) and can be provided with moving axially; And
Two followers (24,26), they are arranged on the axial end of relatively putting of synchronous body (14) and can alternately link to each other with synchronous body (14) by gear shift sleeve pipe (22) antitorquely,
The synchronizing ring (16,18) that wherein is separately positioned between follower (24,26) and the synchronous body (14) has locking tooth (28,30), and described locking tooth can block or discharge the axial displacement of gear shift sleeve pipe (22) towards each follower (24,26).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009048806A DE102009048806A1 (en) | 2009-10-08 | 2009-10-08 | Synchronization device for manual transmission of vehicle, has synchronous body, which is rotated around rotation axis of manual transmission |
| DE102009048806.5 | 2009-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042386A true CN102042386A (en) | 2011-05-04 |
| CN102042386B CN102042386B (en) | 2016-01-20 |
Family
ID=43734583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010569967.3A Expired - Fee Related CN102042386B (en) | 2009-10-08 | 2010-10-08 | The synchronizer of shift transmission |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102042386B (en) |
| DE (1) | DE102009048806A1 (en) |
| FR (1) | FR2951238B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573847A (en) * | 2012-07-28 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Coupling device with a gearshift sleeve for a gearshift transmission |
| CN103597232A (en) * | 2011-06-09 | 2014-02-19 | 贺尔碧格传动技术控股有限公司 | Synchronization unit of manual transmission |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014108202A1 (en) * | 2014-06-11 | 2015-12-17 | Hoerbiger Antriebstechnik Holding Gmbh | Synchronization unit for a transmission |
| DE102016223002B3 (en) * | 2016-11-22 | 2018-03-01 | GETRAG B.V. & Co. KG | Servo-synchronization device for a transmission of a motor vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1624212A1 (en) * | 2004-07-28 | 2006-02-08 | DaimlerChrysler AG | Synchronising device |
| CN1908454A (en) * | 2005-08-05 | 2007-02-07 | 协和合金株式会社 | Synchronizer for transmission case |
| CN101029683A (en) * | 2006-02-27 | 2007-09-05 | 协和合金株式会社 | Synchronizer device for transmission |
| EP1900956A2 (en) * | 2006-09-18 | 2008-03-19 | Hofer-PDC-Gmbh | Transmission synchronisation, in particular in the form of servo-synchronisation |
| DE102007022544A1 (en) * | 2007-05-09 | 2008-11-13 | Hoerbiger Synchrontechnik Gmbh & Co. Kg | Clutch arrangement |
| US20080302624A1 (en) * | 2007-05-28 | 2008-12-11 | Hofer-Pdc Gmbh | Transmission synchromesh and thrust piece of a transmission synchromesh |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2628039C2 (en) * | 1976-06-23 | 1977-09-22 | Zahnradfabrik Fnedrichshafen AG, 7990 Friednchshaten | Synchronizer |
| US4132298A (en) * | 1977-07-13 | 1979-01-02 | The United States Of America As Represented By The Secretary Of The Army | Transmission synchronizer |
| JPS5825143Y2 (en) * | 1978-07-03 | 1983-05-30 | 日産自動車株式会社 | Synchronous meshing device for transmission |
-
2009
- 2009-10-08 DE DE102009048806A patent/DE102009048806A1/en not_active Withdrawn
-
2010
- 2010-10-07 FR FR1058135A patent/FR2951238B1/en not_active Expired - Fee Related
- 2010-10-08 CN CN201010569967.3A patent/CN102042386B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1624212A1 (en) * | 2004-07-28 | 2006-02-08 | DaimlerChrysler AG | Synchronising device |
| CN1908454A (en) * | 2005-08-05 | 2007-02-07 | 协和合金株式会社 | Synchronizer for transmission case |
| CN101029683A (en) * | 2006-02-27 | 2007-09-05 | 协和合金株式会社 | Synchronizer device for transmission |
| EP1900956A2 (en) * | 2006-09-18 | 2008-03-19 | Hofer-PDC-Gmbh | Transmission synchronisation, in particular in the form of servo-synchronisation |
| DE102007022544A1 (en) * | 2007-05-09 | 2008-11-13 | Hoerbiger Synchrontechnik Gmbh & Co. Kg | Clutch arrangement |
| US20080302624A1 (en) * | 2007-05-28 | 2008-12-11 | Hofer-Pdc Gmbh | Transmission synchromesh and thrust piece of a transmission synchromesh |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597232A (en) * | 2011-06-09 | 2014-02-19 | 贺尔碧格传动技术控股有限公司 | Synchronization unit of manual transmission |
| CN103597232B (en) * | 2011-06-09 | 2015-12-23 | 贺尔碧格传动技术控股有限公司 | The lock unit of manual transmission |
| CN103573847A (en) * | 2012-07-28 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Coupling device with a gearshift sleeve for a gearshift transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102042386B (en) | 2016-01-20 |
| FR2951238A1 (en) | 2011-04-15 |
| DE102009048806A1 (en) | 2011-04-14 |
| FR2951238B1 (en) | 2015-10-23 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20191008 |
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