CN101893066A - Seven speed dual clutch transmission - Google Patents
Seven speed dual clutch transmission Download PDFInfo
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- CN101893066A CN101893066A CN2010101816521A CN201010181652A CN101893066A CN 101893066 A CN101893066 A CN 101893066A CN 2010101816521 A CN2010101816521 A CN 2010101816521A CN 201010181652 A CN201010181652 A CN 201010181652A CN 101893066 A CN101893066 A CN 101893066A
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- gear
- countershaft
- gear train
- transmission input
- input member
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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
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
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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
- F16H3/087—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 characterised by the disposition of the gears
- F16H3/093—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 characterised by the disposition of the gears with two or more countershafts
- F16H2003/0931—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 characterised by the disposition of the gears with two or more countershafts each countershaft having an output gear meshing with a single common gear on the 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
- 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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of seven speed dual clutch transmission, this speed changer can be connected to input link and comprise output drive gear, first and second shaft components, the first and second countershaft members, a plurality of co-planar gear set and a plurality of torque transmitter.Described torque transmitter comprises a plurality of gears, synchronizer assembly and a double clutch assembly.This speed changer can provide at least one reverse gear ratio and a plurality of forward speed ratios between input link and output link.
Description
The cross reference of related application
The application requires to enjoy the rights and interests of the U.S. Provisional Application No.61/179899 that submitted on May 20th, 2009, and the full content of this provisional application is incorporated among the application by reference at this.
Technical field
The present invention relates to speed changer, relate more specifically to the two clutch multi-speed transmissions of a kind of compact type, this speed changer has at least two countershafts to set up seven or more a plurality of gear speed.
Background technique
The statement of this section only provides background information related to the present invention, may constitute also and may not constitute prior art.
Typical multi-speed transmission with countershaft and co-planar gear set uses has the counter shaft gear of different dedicated gear pairs or gear train to realize each forward speed ratios.Thereby gear sum required in this modular design is the twice of the number of gears of forward gears speed, adds three gears that reverse gear is required.This makes needs a large amount of required gear pairs, especially all the more so in the speed changer of the forward speed ratios with larger amt.
Although existing speed changer has been realized its intended purposes, but the demand for new modified model transmission configuration is constant substantially, these modified model transmission configuration have improved performance-particularly from efficient, responsiveness and smoothness aspect and improved encapsulation-mainly be size and the weight that reduces.Therefore, related domain needs a kind of speed changer, and it has improved encapsulation when required velocity ratio and torque range are provided.
Summary of the invention
The invention provides a kind of speed changer, described speed changer can be connected to input link and comprise output link, first and second shaft components, the first and second countershaft members, Parking gear mechanism, a plurality of co-planar gear set and a plurality of torque transmitter.Described torque transmitter comprises a plurality of synchronizer assemblies and a double clutch assembly.Described speed changer can provide at least one reverse gear ratio and a plurality of forward speed ratios between input link and output link.
In another aspect of the present invention, described speed changer comprises case of transmission.
In another aspect of the present invention, described speed changer comprises the double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link.Described clutch housing is supported in the described case of transmission rotatably.
In another aspect of the present invention, described speed changer comprises the first, second, third, fourth and the 5th gear train.Described first gear train comprise with first gear of second gear engagement and with the 3rd gear of second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement.
In another aspect of the present invention, described speed changer comprises first transmission input member that rotatably is supported in the described case of transmission.In first gear of described the 3rd, the 4th and the 5th gear train each all rotatably is fixed up with described first transmission input member so that common rotation.The selectivity of the first clutch of described double clutch assembly engages moment of torsion is passed to described first transmission input member from described clutch housing.
In another aspect of the present invention, described speed changer comprises second transmission input member that rotatably is supported in the described case of transmission.In first gear of described first and second gear trains each all rotatably is fixed up with described second transmission input member so that common rotation.Described second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member.The selectivity of the second clutch of described double clutch assembly engages moment of torsion is passed to described second transmission input member from described clutch housing.
In another aspect of the present invention, described speed changer comprises first countershaft, and it is interior and parallel with described first and second transmission input member and separate that described first countershaft rotatably is supported on case of transmission.Each can both optionally be connected the 3rd gear of the 3rd gear of described first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation.
In another aspect of the present invention, described speed changer comprises second countershaft, and it is interior and parallel with described first and second transmission input member and separate that described second countershaft rotatably is supported on described case of transmission.Each can both optionally be connected second gear of second gear of described first gear train, second gear of described second gear train, second gear of described the 3rd gear train, described the 4th gear train and second gear of described the 5th gear train with described second countershaft so that common rotation.
In another aspect of the present invention, described speed changer comprises five synchronizer assemblies, described five synchronizer assemblies be used for described first, second, third, fourth and the gear of the 5th gear train at least one with described first countershaft and described second countershaft at least one optionally connect.
In another aspect of the present invention, described speed changer comprises the Parking gear, described Parking gear and described first countershaft are fixed up so that rotate jointly, and wherein said Parking gear is configured to stop the rotation of first countershaft driver gear and described speed changer output link when described Parking gear is engaged.
In another aspect of the present invention, described speed changer comprises Parking gear and Parking driving gear, described Parking gear is fixed to first end of Parking gear shaft, and described Parking driving gear is fixed to second end of described Parking gear shaft, and wherein said Parking driving gear and the engagement of described speed changer output link, and wherein said Parking gear is configured to stop the rotation of described speed changer output link when described Parking gear is engaged.
In another aspect of the present invention, the selectivity of first and second clutches of described double clutch assembly engages at least one interconnection in described double clutch housing and described first and second transmission input member, and at least one the selectivity joint in described five synchronizer assemblies is set up in seven forward speed ratios at least one.
1. 1 kinds of speed changers of scheme comprise:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said the 3rd, the 4th and the 5th gear train all rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly engages moment of torsion is passed to described first transmission input member from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, second gear of described the 3rd gear train, described the 4th gear train and second gear of described the 5th gear train with described second countershaft so that common rotation; And
Five synchronizer assemblies, described five synchronizer assemblies be used for described first, second, third, fourth and the gear of the 5th gear train at least one with described first countershaft and described second countershaft at least one optionally connect, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engages at least one interconnection in described double clutch housing and described first and second transmission input member, and at least one the selectivity joint in described five synchronizer assemblies is set up in seven forward speed ratios at least one.
Scheme 3. is as scheme 2 described speed changers, and wherein, in described five synchronizer assemblies second optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one.
Scheme 4. is as scheme 3 described speed changers, and wherein, the 3rd second gear with described the 3rd gear train in described five synchronizer assemblies optionally is connected to described second countershaft.
Scheme 6. is as scheme 4 described speed changers, and wherein, the 4th the 3rd gear with described the 3rd gear train in described five synchronizer assemblies optionally is connected to described first countershaft.
Scheme 7. is as scheme 6 described speed changers, and wherein, in described five synchronizer assemblies the 5th optionally is connected to described second countershaft with in second gear of second gear of described the 4th gear train and described the 5th gear train at least one.
Scheme 9. is as scheme 1 described speed changer, wherein, the contiguous described double clutch assembly of described first gear train, contiguous described first gear train of described second gear train, contiguous described second gear train of described the 3rd gear train, contiguous described the 3rd gear train of described the 4th gear train, and described the 5th gear train is arranged between the end wall of described the 4th gear train and described case of transmission.
Scheme 11. is as scheme 9 described speed changers, wherein, described five synchronizer assemblies comprise first synchronizer assembly, when the second clutch of described double clutch is engaged when described double clutch housing being connected to described second transmission input member, described first synchronizer assembly is used for second gear of described second gear train optionally is connected to described second countershaft to set up the 6th velocity ratio.
Scheme 14. is as scheme 9 described speed changers, wherein, described five synchronizer assemblies comprise the 3rd synchronizer assembly, when the first clutch of described double clutch is engaged when described double clutch housing being connected to described first transmission input member, described the 3rd synchronizer assembly is used for second gear of described the 3rd gear train optionally is connected to described second countershaft to set up the 5th velocity ratio.
Scheme 17. is as scheme 9 described speed changers, wherein, described five synchronizer assemblies comprise the 5th synchronizer assembly, when the first clutch of described double clutch is engaged when described double clutch housing being connected to described first transmission input member, described the 5th synchronizer assembly is used for second gear of described the 7th gear train optionally is connected to described first countershaft to set up the 7th velocity ratio.
21. 1 kinds of speed changers of scheme comprise:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said the 3rd, the 4th and the 5th gear train all rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly engages moment of torsion is passed to described first transmission input member from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described double clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, second gear of described the 3rd gear train, described the 4th gear train and second gear of described the 5th gear train with described second countershaft so that common rotation;
First synchronizer assembly, described first synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described first gear train and described second gear train at least one;
Second synchronizer assembly, described second synchronizer assembly optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one;
The 3rd synchronizer assembly, described the 3rd synchronizer assembly optionally is connected to described second countershaft with second gear of described the 3rd gear train;
The 4th synchronizer assembly, described the 4th synchronizer assembly optionally is connected to described first countershaft with the 3rd gear of described the 3rd gear train;
The 5th synchronizer assembly, described the 5th synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described the 4th gear train and described the 5th gear train at least one;
First countershaft driver gear and second countershaft driver gear, described first countershaft driver gear is fixed to described first countershaft so that rotate jointly with described first countershaft, and described second countershaft driver gear is fixed to described second countershaft so that rotate jointly with described second countershaft, and wherein said first and second countershaft driver gears are passed to the speed changer output link with at least one from described first and second countershafts of moment of torsion; And
The Parking gear, described Parking gear and described first countershaft are fixed up so that common rotation, and wherein said Parking gear is configured to stop the rotation of described first countershaft driver gear and described speed changer output link when described Parking gear is engaged, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engage and described synchronizer assembly at least one selectivity be bonded at least one that set up between at least one and the described speed changer output link in described first and second transmission input member in seven forward speed ratios.
22. 1 kinds of speed changers of scheme comprise:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and the wherein said the 4th with first gear of the 5th gear train in each can both optionally be connected with described first transmission input member so that common rotation, and first gear of wherein said the 3rd gear train rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly joint is passed to described first transmission input member with moment of torsion from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and it is parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, described the 3rd gear train with described second countershaft so that rotate jointly, and second gear of second gear of described the 4th gear train and described the 5th gear train rotatably is fixed up with described second countershaft so that common rotation;
First synchronizer assembly, described first synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described first gear train and described second gear train at least one;
Second synchronizer assembly, described second synchronizer assembly optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one;
The 3rd synchronizer assembly, described the 3rd synchronizer assembly optionally is connected to described second countershaft with second gear of described the 3rd gear train;
The 4th synchronizer assembly, described the 4th synchronizer assembly optionally is connected to described first countershaft with the 3rd gear of described the 3rd gear train;
The 5th synchronizer assembly, described the 5th synchronizer assembly optionally is connected to described first transmission input member with in first gear of first gear of described the 4th gear train and described the 5th gear train at least one;
First countershaft driver gear and second countershaft driver gear, described first countershaft driver gear is fixed to described first countershaft so that rotate jointly with described first countershaft, and described second countershaft driver gear is fixed to described second countershaft so that rotate jointly with described second countershaft, and wherein said first and second countershaft driver gears are passed to the speed changer output link with at least one from described first and second countershafts of moment of torsion; And
The Parking gear, described Parking gear and described first countershaft are fixed up so that common rotation, and wherein said Parking gear is configured to stop the rotation of described first countershaft driver gear and described speed changer output link when described Parking gear is engaged, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engage and described synchronizer assembly at least one selectivity be bonded at least one that set up between at least one and the described speed changer output link in described first and second transmission input member in seven forward speed ratios.
By below in conjunction with accompanying drawing to implementing the detailed description of optimal mode of the present invention, above-mentioned and other feature and advantage of the present invention will clearly manifest, identical identical parts, element or the feature of reference character representative in the accompanying drawing.
Description of drawings
Fig. 1 is the schematic representation according to a mode of execution of seven speed transmissions of the present invention;
Fig. 2 is the schematic representation according to another mode of execution of seven speed transmissions of the present invention;
Fig. 3 is the schematic representation according to another mode of execution of seven speed transmissions of the present invention; And
Fig. 4 is the schematic representation according to another mode of execution of seven speed transmissions of the present invention.
Embodiment
With reference to figure 1, multi-speed transmission indicates with reference character 10 generally.Speed changer 10 can be connected to input link 12 and have output link or gear 14.In the present embodiment, input link 12 is axles and output link 14 is gears, but it will be appreciated by those skilled in the art that input link 12 can be the parts that are different from axle, and output link 14 can be the parts that are different from gear, such as axle.
Double clutch assembly 32 can be connected between the input link 12 and the first and second transmission input shaft members 22,24.Double clutch assembly 32 comprise can be connected with input link 12 in case with the clutch housing 34 of its common rotation.Further, double clutch assembly 32 has first and second clutch elements or hub 36 and 38.Clutch element 36 and 38 is configured to form friction clutch with clutch housing 34, and this is commonly referred to double clutch in related domain.More particularly, clutch element 36,38 and clutch housing 34 have mounted thereto or otherwise are connected to friction plate on it, and friction plate interacts to form friction clutch.Clutch element 36 is connected with first transmission input shaft or member 22 so that rotate jointly, and clutch element 38 is connected with second transmission input shaft or member 24 so that common rotation.Thereby clutch element 36 engages with the selectivity of clutch housing 34 input link 12 is connected so that make its common rotation with the first transmission input shaft member 22.Clutch element 38 engages with the selectivity of clutch housing 34 input link 12 is connected so that make its common rotation with the second transmission input shaft member 24.Should be understood that although double clutch assembly 32 is illustrated with the wet clutch assembly in a few width of cloth accompanying drawings, double clutch assembly 32 can be a dry clutch assemblies, this does not deviate from scope of the present invention.
Gear apparatus 20 also comprises a plurality of co-planar gear set 40,50,60,70 and 80 of engagement.The present invention has considered that a plurality of co-planar gear set 40,50,60,70 of engagement and 80 can arrange axially that along transmission input shaft 22,24 this is within the scope of the invention equally according to being different from the order shown in Fig. 1.Co-planar gear set 40 comprises small gear 42, gear 44 and gear 46.Small gear 42 is rotatably fixing and be connected to the second transmission input shaft member 24 so that common rotation.Gear 44 can optionally be connected with the second countershaft member 28 in case jointly rotation and with small gear 42 engagement.Gear 46 can optionally be connected with the first countershaft member 26 in case jointly rotation and with gear 44 engagement.Should be understood that small gear 42 can be the independent gear structure that is fixed to the second transmission input shaft member 24, perhaps can be formed in the wheel tooth/spline on the outer surface of the second transmission input shaft member 24, this does not deviate from scope of the present invention.The wall 48 of gear train 40 next-door neighbour's case of transmissions 18 is provided with, and wall 48 is on the front or side of next-door neighbour's double clutch assembly 32 of speed changer 10.
Co-planar gear set 50 comprises small gear 52, gear 54 and gear 56.Small gear 52 is rotatably fixing and be connected to the second transmission input shaft member 24 so that rotate jointly, and meshes with gear 54 and gear 56.Gear 54 can optionally be connected with the second countershaft member 28 so that common rotation.Gear 56 can optionally be connected with the first countershaft member 26 so that common rotation.Gear train 50 adjacent teeth wheels 40 location.
Co-planar gear set 60 comprises small gear 62, gear 64 and gear 66.Small gear 62 is rotatably fixing and be connected to the first transmission input shaft member 22 so that rotate jointly, and meshes with gear 64 and gear 66.Gear 64 can optionally be connected with the second countershaft member 28 so that common rotation.Gear 66 can optionally be connected with the first countershaft member 26 so that common rotation.Gear train 60 adjacent teeth wheels 50 are provided with.
Co-planar gear set 70 comprises small gear 72 and gear 74.Small gear 72 is rotatably fixing and be connected to the first transmission input shaft member 22 so that rotate jointly, and meshes with gear 74.Gear 74 can optionally be connected with the second countershaft member 28 so that common rotation.Gear train 70 adjacent teeth wheels 60 location.
Co-planar gear set 80 comprises small gear 82 and gear 84.Small gear 82 is rotatably fixing and be connected to the first transmission input shaft member 22 so that rotate jointly, and meshes with gear 84.Gear 84 can optionally be connected with the second countershaft member 28 so that common rotation.Gear train 80 is positioned between the end wall 88 of gear train 70 and case of transmission 18.
Further, first countershaft driver gear 100 is rotatably fixed and is connected to the first countershaft member 26 so that common rotation.Second countershaft driver gear 110 is rotatably fixing and be connected to the second countershaft member 28 so that common rotation.First countershaft driver gear 100 is configured to and output link 14 engagements, and second countershaft driver gear 110 also is configured to and output link 14 engagements.Yet first countershaft driver gear 100 and second countershaft driver gear 110 do not mesh each other.First and second countershaft driver gears 100 and 110 are arranged between the end wall 48 and double clutch assembly 32 of case of transmission 18.
Continuation is with reference to figure 1, and speed changer 10 further comprises a plurality of synchronizer assemblies 150,152,154,156 and 158 that can selectivity engage.Synchronizer 150,152 and 154 is bilateral synchronizers, and comprises shift fork (not shown) usually, and shift fork can move at least two engagement positios and neutral gear or disengaged position by actuator (not shown) two-wayly.In the present embodiment, synchronizer 150 can optionally activate so that gear 44 is connected so that make its common rotation with the second countershaft member 28, and synchronizer 150 can optionally activate so that gear 54 is connected so that make its common rotation with the second countershaft member 28.Synchronizer 152 can optionally activate so that gear 46 is connected so that make its common rotation with the first countershaft member 26, and synchronizer 152 can optionally activate so that gear 56 is connected so that make its common rotation with the first countershaft member 26.Synchronizer 154 can optionally activate so that gear 74 is connected so that make its common rotation with second countershaft 28, and synchronizer 154 can optionally activate so that gear 84 is connected so that make its common rotation with the second countershaft member 28.Synchronizer 156 and 158 is one-sided synchronizers, and comprises shift fork (not shown) usually, and shift fork can move at least one engagement positio and neutral gear or disengaged position by actuator (not shown) two-wayly.Synchronizer 156 can optionally activate so that gear 64 is connected so that make its common rotation with the second countershaft member 28.Synchronizer 158 can optionally activate so that gear 66 is connected so that make its common rotation with the first countershaft member 26.
Should be understood that each independent gear train 40,50,60,70 and 80 can both provide one or more forward gearss and/or reverse gear ratio by optionally engaging synchronizer assembly 150,152,154,156 and 158.It is to be further understood that and can realize specific forward gears or reverse gear ratio by the various combination of synchronizer and the gear train that is associated, this does not deviate from scope of the present invention.
For example, in order to set up the reverse gear torque ratio, clutch element 38 is engaged and synchronizer 152 activated.Clutch element 38 connects input link 12 with the second transmission input shaft member 24.Synchronizer 152 is connected to the first countershaft member 26 with gear 46.More specifically, input torque from input shaft 12 is passed to the second transmission input shaft member 24 by double clutch assembly 32, be passed to gear 44 by small gear 42, be passed to gear 46 by gear 44, be passed to the first countershaft member 26 by synchronizer 152 from gear 46 and be passed to first countershaft driver gear 100 then, and be passed to output link 14 from first countershaft driver gear 100.
In order to set up the first forward gears torque ratio (promptly a grade), clutch element 36 is engaged and synchronizer 154 activated.Clutch element 36 connects input link 12 with the first transmission input shaft member 22.Synchronizer 154 is attached to the second countershaft member 28 with gear 74.Be passed to the first transmission input shaft member 22 from the input torque of input link 12 by double clutch assembly 32 and be passed to small gear 72 then.Small gear 72 transmitting torques are to gear 74, and gear 74 is passed to second countershaft driver gear 110 then by synchronizer 154 transmitting torque to the second countershaft members 28, and moment of torsion is passed to output link 14 from second countershaft driver gear 110 then.
In order to set up the second forward gears torque ratio (being second gear), clutch element 38 is engaged and synchronizer 150 activated.Clutch element 38 is attached to input link 12 the second transmission input shaft member 24 that makes small gear 42 rotations.Synchronizer 150 is attached to the second countershaft member 28 with gear 44.Correspondingly, input torque from input link 12 is passed to the second transmission input shaft member 24 by double clutch assembly 32, be passed to gear 44 by small gear 42, be passed to synchronizer 150 from gear 44, be passed to the second countershaft member 28 and be passed to second countershaft driver gear 110 and output link 14 from the second countershaft member 28 from synchronizer 150.
In order to set up the 3rd forward gears torque ratio (being third gear), clutch element 36 is engaged and synchronizer 158 activated.Clutch element 36 is attached to input link 12 the first transmission input shaft member 22 that makes small gear 62 rotations.Synchronizer 156 is attached to the first countershaft member 26 with gear 66.Therefore, input torque from input link 12 is passed to the first transmission input shaft member 22 by double clutch assembly 32, be passed to gear 66 by small gear 62, be passed to synchronizer 158 by gear 66, be passed to the first countershaft member 26 from synchronizer 158, be passed to first countershaft driver gear 100 from the first countershaft member 26, be passed to output link 14 from first countershaft driver gear 100 then.
In order to set up the 4th forward gears torque ratio (being fourth gear), clutch element 38 is engaged and synchronizer 152 activated.Clutch element 38 is attached to input link 12 the second transmission input shaft member 24 that makes small gear 52 rotations.Synchronizer 152 is attached to the first countershaft member 26 with gear 56.Thereby, be passed to the second transmission input shaft member 24 from the input torque of input link 12 by double clutch assembly 32 and be passed to small gear 52 then, be passed to gear 56 from small gear 52 then, be passed to synchronizer 152 from gear 56, be passed to the first countershaft member 26 from synchronizer 152, be passed to first countershaft driver gear 100 from the first countershaft member 26, be passed to output link 14 from first countershaft driver gear 100 then.
In order to set up the 5th forward gears torque ratio (promptly five grades), clutch element 36 is engaged and synchronizer 156 activated.Clutch element 36 is attached to input link 12 the first transmission input shaft member 22 that makes small gear 62 rotations.Synchronizer 156 is attached to the second countershaft member 28 with gear 64.Input torque from input link 12 is passed to the first transmission input shaft member 22 by double clutch assembly 32, be passed to small gear 62 from the first transmission input shaft member 22, be passed to gear 64 from small gear 62, be passed to the second countershaft member 28 from gear 64 by synchronizer 156 and be passed to second countershaft driver gear 110 then, and be passed to output link 14 from second countershaft driver gear 110.
In order to set up the 6th forward gears torque ratio (promptly six grades), clutch element 38 is engaged and synchronizer 150 activated.Clutch element 38 is attached to input link 12 the second transmission input shaft member 24 that makes small gear 52 rotations.Synchronizer 150 is attached to the second countershaft member 28 with gear 54.Thereby, be passed to the second transmission input shaft member 24 from the input torque of input link 12 by double clutch assembly 32 and be passed to small gear 52 then, be passed to gear 54 from small gear 52 then, be passed to synchronizer 150 from gear 54, be passed to the second countershaft member 28 from synchronizer 150, be passed to second countershaft driver gear 110 from the second countershaft member 28, be passed to output link 14 from second countershaft driver gear 110 then.
In order to set up the 7th forward gears torque ratio (promptly seven grades), clutch element 36 is engaged and synchronizer 154 activated.Clutch element 36 is attached to input link 12 the first transmission input shaft member 22 that makes small gear 82 rotations.Synchronizer 154 is attached to the second countershaft member 28 with gear 84.Input torque from input link 12 is passed to the first transmission input shaft member 22 by double clutch assembly 32, be passed to small gear 82 from the first transmission input shaft member 22, be passed to gear 84 from small gear 82, be passed to the second countershaft member 28 from gear 84 by synchronizer 154 and be passed to second countershaft driver gear 110 then, and be passed to output link 14 from second countershaft driver gear 110.
Once more, should be understood that can change arbitrary gear train in gear train 40,50,60,70 and 80 to produce specific forward gears and reverse gear torque ratio, this does not depart from scope of the present invention.
The present invention has considered that multiple torque ratio (being output link 14 and the ratio of the moment of torsion of input link 12) and ratio rank grow the number of teeth of the gear that (ratio steps) can be by selective transmission 10 and realize.The present invention has many advantages and the benefit that is better than prior art.For example, by using independent small gear at first velocity ratio and the 7th velocity ratio, structure of the present invention allows to have high overall ratio scope between first velocity ratio and the 7th velocity ratio.In addition, the length of speed changer 10 in the zone of the first countershaft member 26 is reduced, thereby has limited the interference with other transmission components.Thereby the present invention has realized having simpler actuating and control system, the quality of reduction and the speed changer of cost and improved encapsulation.
Go to Fig. 2, alternative speed changer indicates with reference character 200 generally.Speed changer 200 is similar to speed changer 10 shown in Figure 1, and therefore identical parts indicate with identical reference character.Yet speed changer 200 comprises Parking driving gear 270, and Parking driving gear 270 is rotatably fixing and be connected to Parking gear shaft 272 so that common rotation.Parking gear shaft 272 and first and second members 22,24 and the first and second countershaft members 26,28 are parallel and axially separate partially.Parking driving gear 270 and output link 14 engagements.Parking gear 274 is provided for speed changer 200 is placed the Parking pattern, and this pattern stops output link 14 rotations.Parking gear 274 is attached to Parking driving gear 270 by Parking gear shaft 272.By Parking gear 274 is positioned at one independently the axle on, the length in the zone of the first countershaft member 26 of speed changer 200 can further reduce with respect to speed changer 10.
With reference to figure 3, another alternative speed changer indicates with reference character 300 generally.Speed changer 300 is similar to speed changer 10 shown in Figure 1, and therefore identical parts indicate with identical reference character.Yet in speed changer 300, synchronizer 154 is arranged on the first transmission input shaft member 22 rather than on the second countershaft member 28.Correspondingly, synchronizer 154 can optionally activate so that small gear 72 is connected with the first transmission input shaft member 22 so that make its common rotation, and can optionally activate so that small gear 82 is connected so that make its common rotation with the first transmission input shaft member 22.Gear 74 and gear 84 are fixed to the second countershaft member 28 with being rotated.Identical in the torque ratio of in speed changer 300, selecting and the speed changer 10, so the first and the 7th velocity ratio is engaged by optionally activating synchronizer 154.
Go to Fig. 4, alternative speed changer indicates with reference character 400 generally.Speed changer 400 is similar to speed changer 10 shown in Figure 1, and therefore identical parts indicate with identical reference character.Yet in speed changer 400, synchronizer 154 and synchronizer 156 are switched along second countershaft 28.Correspondingly, synchronizer 154 can optionally activate so that gear 64 is connected with the second countershaft member 28 so that make its common rotation, and can optionally activate so that gear 74 is connected so that make its common rotation with the second countershaft member 28.In addition, synchronizer 156 can optionally activate so that gear 84 is connected so that make its common rotation with the second countershaft member 28.Identical in the torque ratio of in speed changer 400, selecting and the speed changer 10, however the 5th speed ratio or torque ratio realize by activating synchronizer 154, and the 7th speed ratio or torque ratio are by activating synchronizer 156 realizations.In speed changer 400, can be synchronizer 156 and the shared shift rail (not shown) of synchronizer 158 uses.
Implement optimal mode of the present invention although described in detail, the technician who is familiar with field involved in the present invention will recognize that enforcement various alternative designs of the present invention and the mode of execution that the claims scope is interior.
Claims (10)
1. speed changer comprises:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said the 3rd, the 4th and the 5th gear train all rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly engages moment of torsion is passed to described first transmission input member from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, second gear of described the 3rd gear train, described the 4th gear train and second gear of described the 5th gear train with described second countershaft so that common rotation; And
Five synchronizer assemblies, described five synchronizer assemblies be used for described first, second, third, fourth and the gear of the 5th gear train at least one with described first countershaft and described second countershaft at least one optionally connect, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engages at least one interconnection in described double clutch housing and described first and second transmission input member, and at least one the selectivity joint in described five synchronizer assemblies is set up in seven forward speed ratios at least one.
2. speed changer as claimed in claim 1, wherein, first in described five synchronizer assemblies optionally is connected to described second countershaft with in second gear of second gear of described first gear train and described second gear train at least one.
3. speed changer as claimed in claim 2, wherein, in described five synchronizer assemblies second optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one.
4. speed changer as claimed in claim 3, wherein, the 3rd second gear with described the 3rd gear train in described five synchronizer assemblies optionally is connected to described second countershaft.
5. speed changer as claimed in claim 3, wherein, in described five synchronizer assemblies the 3rd optionally is connected to described second countershaft with in second gear of second gear of described the 3rd gear train and described the 4th gear train at least one.
6. speed changer as claimed in claim 4, wherein, the 4th the 3rd gear with described the 3rd gear train in described five synchronizer assemblies optionally is connected to described first countershaft.
7. speed changer as claimed in claim 6, wherein, in described five synchronizer assemblies the 5th optionally is connected to described second countershaft with in second gear of second gear of described the 4th gear train and described the 5th gear train at least one.
8. speed changer as claimed in claim 6, wherein, the 5th second gear with described the 5th gear train in described five synchronizer assemblies optionally is connected to described second countershaft.
9. speed changer comprises:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said the 3rd, the 4th and the 5th gear train all rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly engages moment of torsion is passed to described first transmission input member from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described double clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, second gear of described the 3rd gear train, described the 4th gear train and second gear of described the 5th gear train with described second countershaft so that common rotation;
First synchronizer assembly, described first synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described first gear train and described second gear train at least one;
Second synchronizer assembly, described second synchronizer assembly optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one;
The 3rd synchronizer assembly, described the 3rd synchronizer assembly optionally is connected to described second countershaft with second gear of described the 3rd gear train;
The 4th synchronizer assembly, described the 4th synchronizer assembly optionally is connected to described first countershaft with the 3rd gear of described the 3rd gear train;
The 5th synchronizer assembly, described the 5th synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described the 4th gear train and described the 5th gear train at least one;
First countershaft driver gear and second countershaft driver gear, described first countershaft driver gear is fixed to described first countershaft so that rotate jointly with described first countershaft, and described second countershaft driver gear is fixed to described second countershaft so that rotate jointly with described second countershaft, and wherein said first and second countershaft driver gears are passed to the speed changer output link with at least one from described first and second countershafts of moment of torsion; And
The Parking gear, described Parking gear and described first countershaft are fixed up so that common rotation, and wherein said Parking gear is configured to stop the rotation of described first countershaft driver gear and described speed changer output link when described Parking gear is engaged, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engage and described synchronizer assembly at least one selectivity be bonded at least one that set up between at least one and the described speed changer output link in described first and second transmission input member in seven forward speed ratios.
10. speed changer comprises:
Case of transmission;
The double clutch assembly, the clutch housing that described double clutch assembly has first clutch, second clutch and can be connected to the motor output link, wherein said clutch housing are supported in the described case of transmission rotatably;
The first, second, third, fourth and the 5th gear train, wherein said first gear train comprise with first gear of second gear engagement and with the 3rd gear of described second gear engagement, described second gear train comprises first gear with second gear and the 3rd gear engagement, described the 3rd gear train comprises first gear with second gear and the 3rd gear engagement, described the 4th gear train comprises first gear with second gear engagement, and described the 5th gear train also comprises first gear with second gear engagement;
First transmission input member, described first transmission input member rotatably is supported in the described case of transmission, and the wherein said the 4th with first gear of the 5th gear train in each can both optionally be connected with described first transmission input member so that common rotation, and first gear of wherein said the 3rd gear train rotatably is fixed up with described first transmission input member so that rotate jointly, and the selectivity of the first clutch of wherein said double clutch assembly joint is passed to described first transmission input member with moment of torsion from described clutch housing;
Second transmission input member, described second transmission input member rotatably is supported in the described case of transmission, and each in first gear of wherein said first and second gear trains all rotatably is fixed up with described second transmission input member so that common rotation, and wherein said second transmission input member is concentric and at least in part around described first transmission input member with described first transmission input member, and the selectivity of the second clutch of wherein said double clutch assembly engages moment of torsion is passed to described second transmission input member from described clutch housing;
First countershaft, described first countershaft rotatably is supported in the described case of transmission, and parallel with described first and second transmission input member and separate, each can both optionally be connected the 3rd gear of the 3rd gear of wherein said first gear train, the 3rd gear of described second gear train and described the 3rd gear train with described first countershaft so that common rotation;
Second countershaft, described second countershaft rotatably is supported in the described case of transmission, and it is parallel with described first and second transmission input member and separate, each can both optionally be connected second gear of second gear of wherein said first gear train, second gear of described second gear train, described the 3rd gear train with described second countershaft so that rotate jointly, and second gear of second gear of described the 4th gear train and described the 5th gear train rotatably is fixed up with described second countershaft so that common rotation;
First synchronizer assembly, described first synchronizer assembly optionally is connected to described second countershaft with in second gear of second gear of described first gear train and described second gear train at least one;
Second synchronizer assembly, described second synchronizer assembly optionally is connected to described first countershaft with in the 3rd gear of the 3rd gear of described first gear train and described second gear train at least one;
The 3rd synchronizer assembly, described the 3rd synchronizer assembly optionally is connected to described second countershaft with second gear of described the 3rd gear train;
The 4th synchronizer assembly, described the 4th synchronizer assembly optionally is connected to described first countershaft with the 3rd gear of described the 3rd gear train;
The 5th synchronizer assembly, described the 5th synchronizer assembly optionally is connected to described first transmission input member with in first gear of first gear of described the 4th gear train and described the 5th gear train at least one;
First countershaft driver gear and second countershaft driver gear, described first countershaft driver gear is fixed to described first countershaft so that rotate jointly with described first countershaft, and described second countershaft driver gear is fixed to described second countershaft so that rotate jointly with described second countershaft, and wherein said first and second countershaft driver gears are passed to the speed changer output link with at least one from described first and second countershafts of moment of torsion; And
The Parking gear, described Parking gear and described first countershaft are fixed up so that common rotation, and wherein said Parking gear is configured to stop the rotation of described first countershaft driver gear and described speed changer output link when described Parking gear is engaged, and
Wherein, the selectivity of first and second clutches of described double clutch assembly engage and described synchronizer assembly at least one selectivity be bonded at least one that set up between at least one and the described speed changer output link in described first and second transmission input member in seven forward speed ratios.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17989909P | 2009-05-20 | 2009-05-20 | |
| US61/179899 | 2009-05-20 | ||
| US61/179,899 | 2009-05-20 | ||
| US12/769056 | 2010-04-28 | ||
| US12/769,056 US8408085B2 (en) | 2009-05-20 | 2010-04-28 | Seven speed dual clutch transmission |
| US12/769,056 | 2010-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893066A true CN101893066A (en) | 2010-11-24 |
| CN101893066B CN101893066B (en) | 2013-07-24 |
Family
ID=43070019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010181652 Expired - Fee Related CN101893066B (en) | 2009-05-20 | 2010-05-20 | Seven speed dual clutch transmission |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101893066B (en) |
| DE (1) | DE102010020856B4 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913593A (en) * | 2011-08-03 | 2013-02-06 | 通用汽车环球科技运作有限责任公司 | Seven speed dual clutch transmission |
| CN102913594A (en) * | 2011-08-03 | 2013-02-06 | 通用汽车环球科技运作有限责任公司 | Eight speed dual clutch transmission |
| CN106499780A (en) * | 2015-09-08 | 2017-03-15 | 通用汽车环球科技运作有限责任公司 | Dual input change speed gear box |
| CN107304801A (en) * | 2016-04-24 | 2017-10-31 | 熵零技术逻辑工程院集团股份有限公司 | A kind of gear |
| CN113323899A (en) * | 2021-06-02 | 2021-08-31 | 浙江吉利控股集团有限公司 | Bilateral air quantity adjustable fan and air conditioner |
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| DE102012004721B4 (en) | 2012-03-01 | 2013-10-31 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Speed gearbox |
| DE102012009484B3 (en) * | 2012-05-09 | 2013-09-12 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Double clutch |
| DE102017203423A1 (en) | 2017-03-02 | 2018-09-06 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| CN111075888A (en) * | 2019-12-31 | 2020-04-28 | 江阴市得灵机械有限公司 | High-torsion same-direction flat double structure |
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| DE102004001278B4 (en) * | 2004-01-07 | 2015-08-13 | Volkswagen Ag | Double clutch transmission for a motor vehicle |
| US7640818B2 (en) * | 2007-02-23 | 2010-01-05 | Gm Global Technology Operations, Inc. | Multi-speed transmission with a countershaft gearing |
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- 2010-05-18 DE DE102010020856.6A patent/DE102010020856B4/en not_active Expired - Fee Related
- 2010-05-20 CN CN 201010181652 patent/CN101893066B/en not_active Expired - Fee Related
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| EP0759130B1 (en) * | 1994-05-13 | 1998-08-12 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Multi-ratio power-shiftable reversing gear |
| CN1122422A (en) * | 1994-10-31 | 1996-05-15 | 格特拉格传动机构和齿轮厂黑曼·哈根梅尔有限公司 | Mehrgang-stufengetriebe a stepper motor vehicle transmission |
| US5673592A (en) * | 1996-04-02 | 1997-10-07 | Eaton Corporation | Manually shifted transmission with enhanced automatic range shift |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913593A (en) * | 2011-08-03 | 2013-02-06 | 通用汽车环球科技运作有限责任公司 | Seven speed dual clutch transmission |
| CN102913594A (en) * | 2011-08-03 | 2013-02-06 | 通用汽车环球科技运作有限责任公司 | Eight speed dual clutch transmission |
| CN102913593B (en) * | 2011-08-03 | 2015-08-19 | 通用汽车环球科技运作有限责任公司 | Seven speed dual clutch transmission |
| CN102913594B (en) * | 2011-08-03 | 2015-09-16 | 通用汽车环球科技运作有限责任公司 | Eight speed dual-clutch transmissions |
| CN106499780A (en) * | 2015-09-08 | 2017-03-15 | 通用汽车环球科技运作有限责任公司 | Dual input change speed gear box |
| CN106499780B (en) * | 2015-09-08 | 2019-01-29 | 通用汽车环球科技运作有限责任公司 | Dual input gearbox |
| CN107304801A (en) * | 2016-04-24 | 2017-10-31 | 熵零技术逻辑工程院集团股份有限公司 | A kind of gear |
| CN113323899A (en) * | 2021-06-02 | 2021-08-31 | 浙江吉利控股集团有限公司 | Bilateral air quantity adjustable fan and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010020856A1 (en) | 2010-12-16 |
| DE102010020856B4 (en) | 2016-12-01 |
| CN101893066B (en) | 2013-07-24 |
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