CN103542043A - Double clutch gearbox with particular reverse gear structure and duplicate gears - Google Patents
Double clutch gearbox with particular reverse gear structure and duplicate gears Download PDFInfo
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- CN103542043A CN103542043A CN201310360656.XA CN201310360656A CN103542043A CN 103542043 A CN103542043 A CN 103542043A CN 201310360656 A CN201310360656 A CN 201310360656A CN 103542043 A CN103542043 A CN 103542043A
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02095—Measures for reducing number of parts or components
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a double clutch gearbox with a particular reverse gear structure and duplicate gears. Particularly, the double clutch gearbox is provide with seven forward gears, one reverse gear, four synchronizers and a set of duplicate gear meshing structure, and a traditional idler shaft and accessory gears are not arranged. The double clutch gearbox has the advantages that due to the fact that the particular reverse gear structure is designed, the idler shaft and the accessory gears in the traditional gearbox are omitted, internal structure of the gearbox is simplified, manufacturing cost is reduced, and space of the gearbox is saved; due to the fact that the design of seven forward gears is adopted, the engine is provided with better economical efficiency and dynamic property; the seven forward gears and the reverse gear are arranged more reasonably; each synchronizer is effectively acted on two gears at the same time, so that the synchronizers are sufficiently used; the duplicate gears are adopted for the fourth gear and the sixth gear, the integrated axial distance of the gearbox is shortened, and the balance of matching selection between the shaft distance and the gear number is improved.
Description
Technical field
The present invention relates to a kind of double clutch gearbox, relate in particular to a kind of seven forward gears double clutch gearboxes that adopt specific reverse gear structure and there is duplicate gear.
Background technique
The concept of dual-clutch transmission (DCT) has had the history of 60 or seven ten years up till now.As far back as nineteen thirty-nine Germany Kegresse.A first applied for the patent of dual-clutch transmission, proposed manual transmission to be divided into two-part design concept, a part is transmitted odd number shelves, another part transmits even number shelves, and its transmission of power is by two input shafts of two clutch couplings, the driven gear of adjacent each grade interlocks and two input shaft gears engagements, coordinate the control of two clutches, can realize transmission ratio in the situation that not cutting off power, thereby shorten shift time, effectively improve property of automatic shft.
The automobile market of China will develop the change of important meaning in the coming years: rules and market pressure require to improve fuel consumption and emission; Keen competition brings larger cost pressure to car load factory; The increase of city automobile recoverable amount and some crowded regions also require to improve the travelling comfort of driving.Double clutch gearbox has produced exactly under this background.It is short that double clutch gearbox has shift time, engages and carry out the advantages such as suitable, so double clutch gearbox (especially on B level car and SUV) on a lot of cars has application more and more widely.
In prior art, as mentioned a kind of known double clutch gearbox in CN1621715, this double clutch gearbox is six advance gear designs, and adopts short idler shaft configuration reverse gear and three groups of duplicate gear meshing engagement structures.Six advance the design of gear compared to seven gears that advance, and Economy and power character are lower, and engine efficiency loss is high; The design of short idler shaft affects the balance of gearbox integral body, makes inhomogeneous, the whole irregularity of its internal placement, takies gearbox inner space larger, and manufacture cost is higher; Three groups of dual gears have increased the difficulty of number of teeth proportioning, are difficult to realize the requirement of car load speed ratio.
Summary of the invention
The object of the invention is to solve above-mentioned technical problem, propose a kind of double clutch gearbox that adopts specific reverse gear structure and there is duplicate gear.
Object of the present invention, will be achieved by the following technical programs:
Adopt specific reverse gear structure and there is the double clutch gearbox of duplicate gear, comprising: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described the first output shaft, the second output shaft and the first input shaft, the second input shaft are parallel to each other;
Especially,
The specific reverse gear structure of described employing and the double clutch gearbox with duplicate gear are provided with seven advance gear and reverse gear positions,
Described the first input shaft is installed with one grade of driving gear, third speed drive gear, five grades of driving gears and seven grades of driving gears, described one grade of driving gear is arranged between seven grades of driving gears and five grades of driving gears, and described five grades of driving gears are arranged between one grade of driving gear and third speed drive gear;
Described the second input shaft is installed with second gear driving gear and four or six grades of driving gears, and described four or six grades of driving gears are adjacent with third speed drive gear, and described second gear driving gear is adjacent with clutch,
Described the first output shaft is set with first speed driven gear, second gear driven gear, third gear driven gear, fourth gear driven gear,
Described the second output shaft is set with five grades of driven gears, six grades of driven gears, seven grades of driven gears and reverse gear driven gear,
Described first speed driven gear and one grade of driving gear engagement, described second gear driven gear is meshed with second gear driving gear and reverse gear driven gear respectively simultaneously,
Described third gear driven gear and third speed drive gear engagement, described five grades of driven gears and the engagement of five driving gears,
Described fourth gear driven gear and six grades of driven gears and four or six grades of driving gears are duplicate gear meshing engagement structure,
Described seven grades of driven gears and seven grades of driving gear engagements,
On described the first output shaft, be relatively fixed with a third gear synchronizer and two fourth gear synchronizers, a described third gear synchronizer can select to connect first speed driven gear or third gear driven gear, and described two fourth gear synchronizers can select to connect second gear driven gear or fourth gear driven gear;
On described the second output shaft, be relatively fixed with five or seven grades of synchronizers and six reversing-gear synchronizers, described five or seven grades of synchronizers can select to connect five grades of driven gears or seven grades of driven gears, described six reversing-gear synchronizers can select to connect six grades of driven gears and reverse gear driven gear
Preferably, described the first output shaft is also provided with the first main driving gear that subtracts, and described the first master subtracts driving gear and is connected in a differential mechanism.
Preferably, described the second output shaft is also provided with the second main driving gear that subtracts, and described the second master subtracts driving gear and connects described differential mechanism.
Preferably, described the first output shaft and the second output shaft lay respectively at the both sides of described the second input shaft.
Beneficial effect of the present invention is mainly reflected in:
1, the present invention adopts the design of specific reverse gear structure, has omitted idler shaft and attached gear in traditional gearbox, has simplified the internal structure of gearbox, has reduced fabricating cost, has saved gearbox space, and integral arrangement is more succinctly smooth-going;
2, the design of seven forward gears gearbox designs, makes motor have better Economy and power character, and engine efficiency loss is little;
3, seven forward gearss and reverse gear arrange more reasonable, convenient for assembly;
4, each synchronizer is simultaneously effective to two gears, and synchronizer is fully utilized;
5, four or six grades of employing duplicate gears of the present invention, have shortened the axial distance of gearbox integral body, have reduced the difficulty of number of teeth proportioning simultaneously, increase the balance of wheelbase and the selection of number of teeth proportioning.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that adopts specific reverse gear structure and have the double clutch gearbox of duplicate gear of the present invention.
Embodiment
The invention provides a kind of double clutch gearbox that adopts specific reverse gear structure and there is duplicate gear, as shown in Figure 1, adopt specific reverse gear structure and there is the double clutch gearbox of duplicate gear, comprising: the first output shaft 30 and the second output shaft 40 that are arranged on first clutch 1, the second clutch 2 in clutch housing and stretch out in the housing of gearbox.
The double clutch gearbox that adopts specific reverse gear structure and have a duplicate gear is provided with seven advance gear and reverse gear positions.The design of seven grades of gearbox designs, makes motor have better Economy and power character, and engine efficiency loss is little.
The first input shaft 10 is installed with one grade of driving gear 101, third speed drive gear 102, five grades of driving gears 103 and seven grades of driving gears 104, one grade of driving gear 101 is arranged between seven grades of driving gears 104 and five grades of driving gears 103, and five grades of driving gears 103 are arranged between one grade of driving gear 101 and third speed drive gear 102.
It is adjacent with third speed drive gear 102 with 202, four six grades of driving gears 202 of four or six grades of driving gears that the second input shaft 20 is installed with second gear driving gear 201, and second gear driving gear 201 is adjacent with clutch.
The first output shaft 30 is set with first speed driven gear 301, second gear driven gear 302, third gear driven gear 303, fourth gear driven gear 304.
The second output shaft 40 is set with five grades of driven gears 405, six grades of driven gears 406, seven grades of driven gears 407 and reverse gear driven gears 408.
First speed driven gear 301 and one grade of driving gear 101 engagement, second gear driven gear 302 is meshed with second gear driving gear 201 and reverse gear driven gear 408 respectively simultaneously.The structure simultaneously meshing for gear has a lot, and for example welded gear increases gear width etc.
102 engagements of third gear driven gear 303 and third speed drive gear, five grades of driven gears 405 mesh with five driving gears 103.
Fourth gear driven gear 304 and six grades of driven gears 406 and four or six grades of driving gears 202 are duplicate gear meshing engagement structure.
Seven grades of driven gears 407 and seven grades of driving gear 103 engagements.
On the first output shaft 30, be relatively fixed with a third gear synchronizer 501 and two fourth gear synchronizers 502, one third gear synchronizer 501 can select to connect first speed driven gear 301 or third gear driven gear 303, two fourth gear synchronizers 502 can select to connect second gear driven gear 302 or fourth gear driven gear 304.
On the second output shaft 40, be relatively fixed with five or seven grades of synchronizers 502 and six reversing-gear synchronizers 504, five or seven grades of synchronizers 502 can select to connect five grades of driven gears 405 or seven grades of driven gear 407, six reversing-gear synchronizers 504 can select to connect six grades of driven gears 406 and reverse gear driven gear 408.
In addition, the first output shaft 30 is also provided with the first main driving gear that subtracts, the first master subtracts driving gear and connects a differential mechanism, the second output shaft 40 is also provided with the second main driving gear that subtracts, the second master subtracts driving gear and connects above-mentioned differential mechanism, differential mechanism is mainly used in first and second output shaft rotating speed to control, and first and second master subtracts driving gear and differential mechanism belongs to prior art, so omit this part in accompanying drawing.
The first above-mentioned output shaft 30 and the second output shaft 40 lay respectively at the both sides of described the second input shaft 20.
To a kind of each gear switch of double clutch gearbox that adopts specific reverse gear structure and have a duplicate gear of the present invention be elaborated below:
First the present invention relates to double clutch switching problem, double clutch switching belongs to prior art, admittedly do not repeat them here, by switching between double clutch, motor drives switching to the first input shaft 10 and the second input shaft 20.
When neutral gear: first clutch and second clutch are all in off state, and engine power is not exported.
In the time of one grade: a third gear synchronizer 501 engages with first speed driven gear 301, engine-driving the first input shaft 10 rotates, the first input shaft 10 drives one grade of driving gear 101 to rotate, one grade of driving gear 101 drives first speed driven gear 301 to rotate, first speed driven gear 301 drives a third gear synchronizer 501 to rotate, and a third gear synchronizer 501 drives the first output shaft 30 to rotate output.
When second gear: two fourth gear synchronizers 502 engage with second gear driven gear 302, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives second gear driven gear 302 to rotate, second gear driven gear 302 drives two fourth gear synchronizers 502 to rotate, and two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
When third gear: a third gear synchronizer 501 engages with third gear driven gear 303, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives third speed drive gear 102 to rotate, third speed drive gear 102 drives third gear driven gear 303 to rotate, third gear driven gear 303 drives a third gear synchronizer 501 to rotate, and a third gear synchronizer 501 drives the first output shaft 30 to rotate output.
When fourth gear: two fourth gear synchronizers 502 engage with fourth gear driven gear 304, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives four or six grades of driving gears 202 to rotate, four or six grades of driving gears 202 drive fourth gear driven gear 304 to rotate, fourth gear driven gear 304 drives two fourth gear synchronizers 502 to rotate, and two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
In the time of five grades: five or seven grades of synchronizers 503 engage with five grades of driven gears 405, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives five grades of driving gears 103 to rotate, five grades of driving gears 103 drive five grades of driven gears 405 to rotate, five grades of driven gears 405 drive five or seven grades of synchronizers 503 to rotate, and five or seven grades of synchronizers 503 drive the second output shaft 40 to rotate output.
In the time of six grades: six reversing-gear synchronizers 504 engage with six grades of driven gears 406, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives four or six grades of driving gears 202 to rotate, four or six grades of driving gears 202 drive six grades of driven gears 406 to rotate, six grades of driven gears 406 drive six reversing-gear synchronizers 504 to rotate, and six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
In the time of seven grades: five or seven grades of synchronizers 503 engage with seven grades of driven gears 407, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives seven grades of driving gears 104 to rotate, seven grades of driving gears 104 drive seven grades of driven gears 407 to rotate, seven grades of driven gears 407 drive five or seven grades of synchronizers 503 to rotate, and five or seven grades of synchronizers 503 drive the second output shaft 40 to rotate output.
When reverse gear: two fourth gear synchronizers 502 are separated with second gear driven gear 302, six reversing-gear synchronizers 504 engage with reverse gear driven gear 408, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives second gear driven gear 302 to rotate, second gear driven gear 302 drives reverse gear driven gear 408 to rotate, reverse gear driven gear 408 rotates and drives six reversing-gear synchronizers 504 to rotate, and six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
Above-mentioned specific reverse gear structure is not only for the gearbox that applies to seven forward gearss of the present invention, and existing all kinds of gearboxes all can adopt, and can possess the advantage of specific reverse gear mechanism equally after adopting.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming, within all dropping on protection scope of the present invention.
Claims (4)
1. adopt specific reverse gear structure and there is the double clutch gearbox of duplicate gear, comprising: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described the first output shaft, the second output shaft and the first input shaft, the second input shaft are parallel to each other;
It is characterized in that:
The specific reverse gear structure of described employing and the double clutch gearbox with duplicate gear are provided with seven advance gear and reverse gear positions,
Described the first input shaft is installed with one grade of driving gear, third speed drive gear, five grades of driving gears and seven grades of driving gears, described one grade of driving gear is arranged between seven grades of driving gears and five grades of driving gears, and described five grades of driving gears are arranged between one grade of driving gear and third speed drive gear;
Described the second input shaft is installed with second gear driving gear and four or six grades of driving gears, and described four or six grades of driving gears are adjacent with third speed drive gear, and described second gear driving gear is adjacent with clutch,
Described the first output shaft is set with first speed driven gear, second gear driven gear, third gear driven gear, fourth gear driven gear,
Described the second output shaft is set with five grades of driven gears, six grades of driven gears, seven grades of driven gears and reverse gear driven gear,
Described first speed driven gear and one grade of driving gear engagement, described second gear driven gear is meshed with second gear driving gear and reverse gear driven gear respectively simultaneously,
Described third gear driven gear and third speed drive gear engagement, described five grades of driven gears and the engagement of five driving gears,
Described fourth gear driven gear and six grades of driven gears and four or six grades of driving gears are duplicate gear meshing engagement structure,
Described seven grades of driven gears and seven grades of driving gear engagements,
On described the first output shaft, be relatively fixed with a third gear synchronizer and two fourth gear synchronizers, a described third gear synchronizer can select to connect first speed driven gear or third gear driven gear, and described two fourth gear synchronizers can select to connect second gear driven gear or fourth gear driven gear;
On described the second output shaft, be relatively fixed with five or seven grades of synchronizers and six reversing-gear synchronizers, described five or seven grades of synchronizers can select to connect five grades of driven gears or seven grades of driven gears, and described six reversing-gear synchronizers can select to connect six grades of driven gears and reverse gear driven gear.
2. a kind of double clutch gearbox that adopts specific reverse gear structure and have duplicate gear according to claim 1, is characterized in that: described the first output shaft is also provided with the first main driving gear that subtracts, and described the first master subtracts driving gear and is connected in a differential mechanism.
3. a kind of double clutch gearbox that adopts specific reverse gear structure and have duplicate gear according to claim 2, is characterized in that: described the second output shaft is also provided with the second main driving gear that subtracts, and described the second master subtracts driving gear and connects described differential mechanism.
4. a kind of double clutch gearbox that adopts specific reverse gear structure and have duplicate gear according to claim 1, is characterized in that: described the first output shaft and the second output shaft lay respectively at the both sides of described the second input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360656.XA CN103542043A (en) | 2013-08-19 | 2013-08-19 | Double clutch gearbox with particular reverse gear structure and duplicate gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360656.XA CN103542043A (en) | 2013-08-19 | 2013-08-19 | Double clutch gearbox with particular reverse gear structure and duplicate gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103542043A true CN103542043A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310360656.XA Pending CN103542043A (en) | 2013-08-19 | 2013-08-19 | Double clutch gearbox with particular reverse gear structure and duplicate gears |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050193848A1 (en) * | 2004-03-05 | 2005-09-08 | Carsten Gitt | Double clutch transmission |
| CN101072960A (en) * | 2004-11-23 | 2007-11-14 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step variable transmission for a motor vehicle |
| US20090120221A1 (en) * | 2007-11-14 | 2009-05-14 | Jean-Pierre Chazotte | Dual clutch transmission with modifiable gear speeds and use of the transmission for at least two transmission variations |
| EP2068041A1 (en) * | 2007-12-05 | 2009-06-10 | GM Global Technology Operations, Inc. | Gearbox for a motor vehicle |
| FR2971572A1 (en) * | 2011-02-10 | 2012-08-17 | Pascal Thery | Gearbox for automatic torque transmission of motor vehicle, has engagement sleeve rotatably coupled to transfer shaft by radial inner hub located between freewheels, where one of freewheels is coupled to supporting shaft |
| CN203477203U (en) * | 2013-08-19 | 2014-03-12 | 吉孚动力技术(中国)有限公司 | Double-clutch gearbox adopting specific reverse gear structure and comprising duplicate gears |
-
2013
- 2013-08-19 CN CN201310360656.XA patent/CN103542043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050193848A1 (en) * | 2004-03-05 | 2005-09-08 | Carsten Gitt | Double clutch transmission |
| CN101072960A (en) * | 2004-11-23 | 2007-11-14 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step variable transmission for a motor vehicle |
| US20090120221A1 (en) * | 2007-11-14 | 2009-05-14 | Jean-Pierre Chazotte | Dual clutch transmission with modifiable gear speeds and use of the transmission for at least two transmission variations |
| EP2068041A1 (en) * | 2007-12-05 | 2009-06-10 | GM Global Technology Operations, Inc. | Gearbox for a motor vehicle |
| FR2971572A1 (en) * | 2011-02-10 | 2012-08-17 | Pascal Thery | Gearbox for automatic torque transmission of motor vehicle, has engagement sleeve rotatably coupled to transfer shaft by radial inner hub located between freewheels, where one of freewheels is coupled to supporting shaft |
| CN203477203U (en) * | 2013-08-19 | 2014-03-12 | 吉孚动力技术(中国)有限公司 | Double-clutch gearbox adopting specific reverse gear structure and comprising duplicate gears |
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Application publication date: 20140129 |
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