CN204628506U - Group transmission - Google Patents
Group transmission Download PDFInfo
- Publication number
- CN204628506U CN204628506U CN201520203916.7U CN201520203916U CN204628506U CN 204628506 U CN204628506 U CN 204628506U CN 201520203916 U CN201520203916 U CN 201520203916U CN 204628506 U CN204628506 U CN 204628506U
- Authority
- CN
- China
- Prior art keywords
- group
- speed changer
- retarder
- rotor
- stator
- 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.)
- Expired - Fee Related
Links
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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/035—Gearboxes for gearing with endless flexible members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
- B60T10/02—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope with hydrodynamic brake
-
- 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
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/04—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades causing a directed flow, e.g. Föttinger type
-
- 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
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- 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
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/046—Combinations of toothed gearings only change gear transmissions in group arrangement with an additional planetary gear train, e.g. creep gear, overdrive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to a kind of group transmission, it comprises the speed changer group (1,2) of two adjacent layouts, described speed changer group is surrounded respectively in the housing parts (23,24) of attaching troops to a unit separately of common case of transmission (4), and is furnished with retarder (3) between described speed changer group.Now in order to be incorporated in group transmission with alap manufacture cost by retarder (3), at least one housing parts (24) of the speed changer group (1,2) of two adjacent layouts participates in the structure to reducer shell simultaneously.
Description
Technical field
The utility model relates to a kind of group transmission, and it comprises the speed changer group of two adjacent layouts, and described speed changer group is surrounded respectively and is furnished with retarder between described speed changer group in the housing parts of attaching troops to a unit separately of common case of transmission.
Background technique
Retarder to be applied in Motor Vehicle and to be especially applied in commerial vehicle and for the burden of the corresponding Service Brake that alleviates corresponding vehicle at this, such as, when travelling on longer descending section.Usually, retarder is implemented with hydraulic retarder form at this, and it comprises rotor and stator.Rotor connects to the corresponding axle that will brake of power assembly in anti-relative rotation at this, and has vane group like that just like stator.When amount of liquid is introduced the active chamber be limited between rotor and stator, rotor by its vane group carries introduced liquid when rotational motion when it and its vane group towards stator is accelerated together with axle.Subsequently, liquid is supported and got back to the vane group of rotor with being guided again in the vane group of stator, wherein, acts on rotor and acts on axle with therefore also blocking to this retardance.The size of caused braking moment can be passed through introduced amount of liquid to regulate at this.In power assembly, hydraulic retarder is also incorporated in the speed changer of corresponding commerial vehicle in this part, and retarder is protected to a great extent in order to avoid be subject to environmetal impact thus, and can realize less noise and send.
In EP 0 635 413 A1, known the speed changer of Motor Vehicle, it is the speed changer group of main group and rearmounted scope gear group as the form that group transmission has two adjacent layouts.At this, speed changer group is surrounded in common case of transmission, and described case of transmission is made up of multiple housing parts.At this, case of transmission is also separated between speed changer group, main group of one side is surrounded by attached troops to a unit housing parts, and scope gear group is also surrounded on the other hand by attached troops to a unit housing parts.In addition, between these two speed changer groups, be provided with hydraulic retarder, it is arranged in the reducer shell being arranged in case of transmission, and is therefore incorporated in group transmission.At this, reducer shell is two-part, and wherein, the stator of retarder and a case half integrally construct, and the anti-relative movement ground of described case half merges with the apparatus casing being fastened on basic trnasmission housing parts side.So the second same anti-relative movement ground of half portion of reducer shell connects with the first half portion and surround the rotor being positioned at inside of hydraulic retarder together with the first half portion.
Model utility content
From prior art described above, present task of the present utility model proposes a kind of group transmission, is incorporated in described group transmission by retarder with manufacture cost little as far as possible.
This task solves based on the preamble of claim 1 and the combination of its characteristic.Dependent claims subsequently reflects again favourable improvement project of the present utility model respectively.
According to the utility model, group transmission comprises the speed changer group of two adjacent layouts, and described speed changer group is surrounded in belonging in respective housing parts of common case of transmission and is furnished with retarder between described speed changer group respectively.So the housing of group transmission is implemented in the mode of portions, wherein, being disposed in the region of the placement retarder between described speed changer group of case of transmission.
Retarder is preferably hydraulic retarder under meaning of the present utility model, this hydraulic retarder is made up of stators and rotators, wherein, stators and rotators in the manner known to persons skilled in the art and method be respectively arranged with vane group and limit active chamber between described vane group.So, rotor is arranged on one of them axle of the axle of group transmission at this, thus produces the braking action to this axle when making in the active chamber inserting the liquid into retarder, and liquid can be oil or also can be water.But in principle, retarder also can be motorized speed reducer.
Now, the utility model comprises the instruction of following technology: at least one housing parts of the speed changer group of these two adjacent layouts also participates in the structure of reducer shell simultaneously.In other words, at least one housing parts of these two speed changer groups is also the part of the reducer shell of retarder simultaneously, between described speed changer group, be placed with retarder.
This design proposal of group transmission has the following advantages at this tool: the manufacture cost according to group transmission of the present utility model can be reduced, and its mode is: at least one housing parts is simultaneously also for constructing the reducer shell of the retarder between housing parts together.Therefore, because at least one housing parts performs dual functions, namely for surrounding attached troops to a unit speed changer group and retarder, so can save otherwise need the additional reducer shell part arranged.Usually, in case of transmission, place retarder tool to have the following advantages: retarder is protected in order to avoid be subject to environmetal impact and reduce noise sending.Finally, can realize modular construction, it can realize the design proposal with retarder or the group transmission not with retarder without any problems according to the type of standard element principle.Therefore, in order to design reducer shell, at least one housing parts, only arrange other reducer shell part.
Although when EP 0 635 413 A1, retarder is incorporated in group transmission, reducer shell is in this case by independently reducer shell part formation.Thus, the housing parts of speed changer group, not simultaneously for constructing reducer shell, therefore correspondingly improves manufacture cost.
According to mode of execution of the present utility model, except at least one housing parts, also has the formation of at least one reducer shell subparticipation reducer shell.In improvement project preferably, the housing parts of speed changer group forms reducer shell together with the reducer shell part of annular and the stator case of carrying retarder stator.Thus, the structure of reducer shell can be realized with low manufacture cost.But for described improvement project as an alternative, the housing parts of speed changer group also can limit the housing of retarder together with other independent reducer shell part, wherein, in the case stator equally by described other reducer shell part construct.In addition, reducer shell also can be limited by the housing parts of the speed changer group of these two adjacent layouts and annular reducer shell part acting in conjunction.
According to another design proposal of the present utility model, the parts that the position that stator case also carries the shifting element of the speed changer group being correspondingly positioned at side is fixed.So stator case also construct shifting element as lower part, the rotatable parts of the speed changer group of adjacent layout can be left standstill by described part.Thus, compact structure can be realized in corresponding region.In addition, also can consider in scope of the present utility model: stator case is also for holding the bearing of one of them axle of group transmission.
According to another mode of execution of the present utility model, the rotor of retarder is can axially be guided relative to the mode of the stator movement of retarder.So, in improvement project preferably, rotor is guided by helical teeth portion, and this helical teeth portion impels rotor to move towards stator when filling the active chamber between stators and rotators, wherein, rotor is going up pretension by spring element in the opposite direction with the side towards stator.In other words, so the rotor of retarder can move relative to the stator shaft orientation of retarder, wherein, according to the improvement project rotor of this mode of execution by spring element towards in contrast to pretension on the direction of stator.In addition, rotor is guided in helical teeth portion, and the torsion of rotor is converted to its motion towards stator by described helical teeth portion when filling the active chamber between stator and rotor.Due to the larger axial distance formed between the stator and the rotor in unfilled state, the blower loss of hydraulic retarder is reduced to very little.Once active chamber is filled with liquid, just by helical teeth portion, the motion of rotor towards stator is automatically started to the guiding of rotor simultaneously.
Particularly preferably, the axial displacement of rotor in helical teeth portion is limited by baffle ring at this.In addition, helical teeth portion is especially arranged by sleeve, and the axle of the speed changer group of two adjacent layouts is connected to each other by this sleeve.But the guiding of rotor in helical teeth portion also can be realized by the single axle of one of two speed changer groups.
Another design proposal of the present utility model is, the rotor of retarder is linked in power transmission stream via speedup driving stage.Advantageously, the rotating speed of rotor can be enhanced and can consequent braking action also can be enhanced.Under meaning of the present utility model, speedup driving stage can be implemented as cylindrical gears level at this or also can be implemented as epicyclic gear stage.
In improvement project of the present utility model, retarder is spatially arranged between main group and scope gear group.Main group is preferably embodied as cylindrical gears level speed changer at this, and it has the cylindrical gears level of multiple each gear ratio of restriction, and scope gear group especially exists as planetary transmission.
According to another Advantageous embodiments of the present utility model, the rotor of retarder connects with by interconnective for speed changer group axle or connects with driven shaft.When first addressing, therefore the braking action of retarder can be converted by the speed changer group of following along power transmission flow path direction again, and when addressing afterwards, when the speed changer group when below switches to neutral, so also can cause braking action.Thus, when rear one addresses, when performing gearshift in speed changer group below, so also braked by retarder.
In improvement project of the present utility model, the rotor of retarder is provided with each vane group in the axial direction in both sides, and described each vane group is opposed with each stator having arranged vane group respectively.The braking action that can cause can also be significantly improved by the double rotor of this stator with being positioned at axial both sides.
In addition, under meaning of the present utility model, it is contemplated that acetyl arrange heat exchanger in the region held retarder on group transmission housing, the heat produced when retarder operation can be derived by this heat exchanger.Temperature too high in this region can be prevented thus.
The utility model is not limited to the illustrated combination of the feature of independent claims and its dependent claims.In addition, also each feature can be combined mutually, as long as described feature is from claim, hereafter description related to the preferred embodiment or directly obtain from accompanying drawing.By use reference character formed claim and accompanying drawing contact the protection domain that should not limit claim.
Accompanying drawing explanation
Following set forth expedients scheme of the present utility model is shown in the drawings.Wherein:
Fig. 1 shows schematic representation the utility model of the group transmission according to the first mode of execution of the present utility model;
Fig. 2 shows the sectional view of the group transmission in Fig. 1;
Fig. 3 shows the schematic diagram of the group transmission according to the second designability of the present utility model;
Fig. 4 shows the schematic representation of the group transmission according to the 3rd mode of execution of the present utility model;
Fig. 5 shows the schematic diagram of the group transmission according to the 4th designability of the present utility model;
Fig. 6 shows the schematic representation of the group transmission according to the 5th mode of execution of the present utility model.
Embodiment
From Fig. 1, know the schematic diagram of the group transmission according to the utility model first mode of execution, wherein, group transmission is made up of two speed changer groups 1 and 2, between described speed changer group, accommodate retarder 3.In the case, retarder 3 is the same with speed changer group 1 and 2 to be contained in the case of transmission 4 of group transmission and to be correspondingly incorporated in group transmission.
Main group of speed changer group 1 in this case group transmission, and speed changer group 2 is configured to the scope gear group being placed on main group.In addition as can be seen from Figure 1 like that, speed changer group 2 implements epicyclic gear stage 5 at this in planetary structure mode, the sun gear 6 of epicyclic gear stage connects with the follower of preposition speed changer group 1, and the planet carrier 7 of epicyclic gear stage is in the driven shaft 8 of group transmission and is connected.The gear ring 9 still retained of epicyclic gear stage 5 can be left standstill by gearshift 10 or (drehfest) connects with planet carrier 7 in anti-relative rotation, to make speed changer group 2 have different gear ratio.
Retarder 3 between speed changer group 1 and 2 is configured to hydraulic retarder and correspondingly has stator 11 and rotor 12, and retarder 3 is with the follower of speed changer group 1 and the sun gear 6 of speed changer group 2 and be therefore connected with the drive portion of speed changer group 2.As especially appreciable from the sectional view Fig. 2, rotor 12 is placed on sleeve 13 at this, and described sleeve makes the output shaft 14 of speed changer group 1 be connected with the input shaft 15 of speed changer group 2 in anti-relative rotation.At this, sleeve 13 guided rotor 12 makes it can move axially in helical teeth portion 16, axially can move at this helical teeth portion upper rotor part 12 relative to stator 11.Rotor 12 carries out in the mode of the spring element 17 of opposing between them towards the movement of stator 11 at this, and rotor 12 is tightened in primary importance by this spring element in advance.Owing to having spacing between stator 11 and rotor 12 in primary importance, so blower loss is reduced to very little, its reason is that air circulates pumping between stator 11 and the vane group 19 and 20 of rotor 12.
But if now liquid is introduced in active chamber 18, so liquid is carried by the vane group 20 of rotor 12 and fixing vane group 19 towards stator 11 is carried, and liquid is supported at this vane group 19 place and is guided again the vane group 20 of revolution 12.From filling active chamber 18, owing to making rotor 12 twist to the support of liquid in vane group 20, this converts the axial motion of rotor 12 against spring element 17 to by helical teeth portion 16.Subsequently, rotor 12 moves towards stator 11 against spring element 17, and reduces the spacing between stator 11 and rotor 12 thus.The possible axial position of these two of rotor 12 is limited by two baffle rings 21 and 22 on sleeve 13.
Especially, case of transmission 4 is formed by two housing parts 23 and 24 and reducer shell part 25 now, and wherein, housing parts 23 surrounds speed changer group 1 substantially, and housing parts 24 surrounds speed changer group 2.At this, housing parts 24 is also a part for reducer shell 26 simultaneously, and wherein, retarder 3 is encapsulated in group transmission inside.Reducer shell 26 is formed by housing parts 24, reducer shell part 25 and stator case 27 as appreciable in fig. 2, and wherein, stator case 27 also constructs stator vane group 19 simultaneously.So in case of transmission 4, housing parts 24 bears dual functions, that is, surround speed changer group 2 and also surround retarder 3.In addition, owing to reducer shell part 25 being placed between housing parts 23 and 24, also can realize in principle constructing the group transmission without being positioned at middle retarder 3, wherein, if desired or between housing parts 23 and 24, be provided with the housing parts of cross-over connection spacing, or be exactly that two housing parts 23 and 24 are directly mutually fastening.
Stator case 27 is also for holding bearing 28 except structure stator 11, and sleeve 13 supports on the bearing in the mode that can rotate.In addition, stator case 27 guide engagement portion main body 29, this juncture body is as the fixing parts in the position of the shifting element of the speed changer group 1 of adjacent layout.In the region of reducer shell part 25, be also furnished with heat exchanger 30, the heat produced when retarder 3 runs can be derived by heat exchanger.
In addition, the schematic representation of the group transmission according to the utility model second designability is learned from Fig. 3.At this, this design corresponding to the flexible program according to Fig. 1 and Fig. 2, the difference is that substantially, and the rotor 31 of retarder 32 is not directly but access between speed changer group 1 and 2 via speedup driving stage 33.Speedup driving stage 33 is embodied as epicyclic gear stage 34 at this, wherein, the sun gear 35 of epicyclic gear stage 34 connects with the stator 36 of retarder 32 rigidly, and rotor 31 is connected with the planet carrier 37 of epicyclic gear stage 34, and gear ring 38 and the output terminal of speed changer group 1 and the input end of rearmounted speed changer group 2 are in being connected.In addition, according to the design proposal of Fig. 3 corresponding to the flexible program according to Fig. 1 and Fig. 2, therefore please refer to the description being directed to this.
In addition, know the 3rd mode of execution of group transmission from Fig. 4, wherein, this flexible program corresponds to the embodiment according to Fig. 3 to a great extent.With it unlike, the gear ring 38 of speedup driving stage 33 do not attach on the output terminal of speed changer group 1 and the input end of speed changer group 2, but is therefore connected in anti-relative rotation with driven shaft 8 with planet carrier 7.Therefore, when performing the gearshift in speed changer group 2, so also can braking action be produced by retarder 32.In addition, this design, corresponding to the flexible program according to Fig. 3, therefore please refer to the description being directed to this.
In addition, Fig. 5 shows the schematic diagram of the group transmission according to the utility model the 4th designability.With according to the flexible program of Fig. 1 and Fig. 2 unlike, retarder 39 is equipped with two stators 40 and 41 at this, and rotor 42 runs between described stator, and this rotor axial is provided with vane group in both sides.Compared to separately only with the braking action that a rotor and a stator of a vane group can realize, by be embodied as thus two-spool rotor 42 with stator 40 and 41 acting in conjunction under produce obvious higher braking action.
Finally, the schematic diagram of the group transmission according to the utility model the 5th mode of execution is learned from Fig. 6.At this, this mode of execution, substantially corresponding to the flexible program according to Fig. 4, is wherein formed by two cylindrical gears levels 44 and 45 unlike, speedup driving stage 43 with it.The rotor 46 of retarder 47 connects with axle 48 by cylindrical gears level 44, and this axle 48 is connected with the driven shaft 8 of group transmission by cylindrical gears level 45.Thus, the rotational motion of driven shaft 8 converts the rotational motion of rotor 46 to via two cylindrical gears levels 44 and 45.
By group transmission according to design proposal of the present utility model, with very low manufacture cost, retarder can be incorporated in the housing of corresponding speed changer.
Reference numerals list
1 speed changer group
2 speed changer groups
3 retarders
4 case of transmissions
5 epicyclic gear stages
6 sun gears
7 planet carriers
8 driven shafts
9 gear rings
10 gearshifts
11 stators
12 rotors
13 sleeves
14 output shafts
15 input shafts
16 helical teeth portions
17 spring elements
18 active chambers
19 vane group
20 vane group
21 baffle rings
22 baffle rings
23 housing parts
24 housing parts
25 reducer shell parts
26 reducer shells
27 stator cases
28 bearings
29 juncture body
30 heat exchangers
31 rotors
32 retarders
33 speedup driving stages
34 epicyclic gear stages
35 sun gears
36 stators
37 planet carriers
38 gear rings
39 retarders
40 stators
41 stators
42 rotors
43 speedup driving stages
44 cylindrical gears levels
45 cylindrical gears levels
46 rotors
47 retarders
48 axles
Claims (10)
1. a group transmission, described group transmission comprises the speed changer group (1,2) of two adjacent layouts, described speed changer group is surrounded respectively in the housing parts (23,24) of attaching troops to a unit separately of common case of transmission (4), and is furnished with retarder (3 between described speed changer group; 32; 39; 47), it is characterized in that, at least one housing parts (24) of the speed changer group (1,2) of described two adjacent layouts participates in the structure to reducer shell (26) simultaneously.
2. group transmission according to claim 1,
It is characterized in that,
Except described at least one housing parts (24), at least one reducer shell part (25) take part in the structure to described reducer shell (26) in addition.
3. group transmission according to claim 2,
It is characterized in that,
The housing parts (24) of speed changer group (2) is together with the reducer shell (25) of annular and the described retarder (3 of carrying; 32; 39; 47) stator (11; 36; 40) stator case (27) forms described reducer shell (26) together.
4. group transmission according to claim 3,
It is characterized in that,
The parts that the position that described stator case (27) also carries the shifting element of the speed changer group (1) being correspondingly positioned at side is fixed.
5. group transmission according to claim 1,
It is characterized in that,
Described retarder (3; 32; 47) rotor (12; 31; 46) with can axially relative to described retarder (3; 32; 47) stator (11; 36) mode of movement is guided.
6. group transmission according to claim 5,
It is characterized in that,
Described rotor (12; 31; 46) guided by helical teeth portion (16), described helical teeth portion is positioned at rotor (12 in filling; 31; 46) and stator (11; 36) described rotor (12 is impelled during active chamber between; 31; 46) towards described stator (11; 36) direction is moved, wherein, and described rotor (12; 31; 46) be going up pretension by spring element (17) in the opposite direction with the side towards stator.
7. group transmission according to claim 1,
It is characterized in that,
Described retarder (32; 47) rotor (31; 46) be via speedup driving stage (33; 43) be linked in power transmission stream.
8. group transmission according to claim 1,
It is characterized in that,
Described retarder (3; 32; 39; 47) be arranged between main group and scope gear group.
9. group transmission according to claim 1,
It is characterized in that,
Described retarder (3; 32; 39; 47) rotor (12; 31; 42; 46) be connect with the axle that described speed changer group is connected with each other or connect with driven shaft (8).
10. group transmission according to claim 1,
It is characterized in that,
The rotor (42) of described retarder (39) is provided with each vane group in the axial direction in both sides, described each vane group is opposed with each stator (40,41) with the vane group arranged respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014206680.8 | 2014-04-07 | ||
| DE102014206680.8A DE102014206680A1 (en) | 2014-04-07 | 2014-04-07 | group transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628506U true CN204628506U (en) | 2015-09-09 |
Family
ID=54047539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520203916.7U Expired - Fee Related CN204628506U (en) | 2014-04-07 | 2015-04-07 | Group transmission |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN204628506U (en) |
| DE (1) | DE102014206680A1 (en) |
| SE (1) | SE1550398A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167430A (en) * | 2016-11-22 | 2018-06-15 | Zf 腓德烈斯哈芬股份公司 | For carrying out the method for gearshift control to the group transmission of automation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4324460C1 (en) | 1993-07-21 | 1994-11-24 | Daimler Benz Ag | Change-speed gearbox for motor vehicles with a sustained-action brake (secondary retarder) |
-
2014
- 2014-04-07 DE DE102014206680.8A patent/DE102014206680A1/en not_active Withdrawn
-
2015
- 2015-04-02 SE SE1550398A patent/SE1550398A1/en not_active Application Discontinuation
- 2015-04-07 CN CN201520203916.7U patent/CN204628506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167430A (en) * | 2016-11-22 | 2018-06-15 | Zf 腓德烈斯哈芬股份公司 | For carrying out the method for gearshift control to the group transmission of automation |
Also Published As
| Publication number | Publication date |
|---|---|
| SE1550398A1 (en) | 2015-10-08 |
| DE102014206680A1 (en) | 2015-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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