CN108204435B - Six-speed-ratio speed change mechanism - Google Patents
Six-speed-ratio speed change mechanism Download PDFInfo
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- CN108204435B CN108204435B CN201611170487.3A CN201611170487A CN108204435B CN 108204435 B CN108204435 B CN 108204435B CN 201611170487 A CN201611170487 A CN 201611170487A CN 108204435 B CN108204435 B CN 108204435B
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/046—Combinations of toothed gearings only change gear transmissions in group arrangement with an additional planetary gear train, e.g. creep gear, overdrive
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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
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
Abstract
There is provided a six-speed ratio transmission mechanism comprising: the three-speed-ratio planetary gear speed change mechanism comprises a planetary gear set, an input component, an output component, a first gear selecting and shifting device and a second gear selecting and shifting device, a sun gear is selected to be connected with the input component or the rack through the first gear selecting and shifting device to transmit motion and torque, a gear ring is selected to be connected with the input component or the rack through the second gear selecting and shifting device to transmit motion and torque, the two-speed-ratio speed change mechanism comprises a first speed gear transmission pair, a second speed gear transmission pair and a third gear selecting and shifting device, the first speed gear transmission pair or the second speed gear transmission pair is selected through the third gear selecting and shifting device to transmit motion and torque, and the three-speed-ratio planetary gear speed change mechanism and the two-speed-ratio speed change mechanism are connected in series to transmit motion and torque.
Description
Technical Field
The invention relates to the technical field of automobile transmissions, in particular to a six-speed-ratio speed change mechanism.
Background
In some application occasions, a power system is required to provide wide rotating speed and torque output, for example, an automobile with complex driving conditions needs a driving wheel with wide rotating speed and torque range to meet various driving conditions such as starting, accelerating, climbing, high-speed driving and the like, an automobile engine can only provide torque output with limited range in a narrow rotating speed range, and the requirement of the complicated and variable driving conditions of the automobile on the power with huge difference of the rotating speed and the torque can be met by adopting a transmission with a plurality of transmission ratios to expand the rotating speed and the torque range of output.
As important automobile parts, the automobile transmission needs to have the characteristics of compact structure, high transmission efficiency, reliable operation, long service life and the like, various automobile transmissions developed for automobiles using gasoline engines or diesel engines as engines are available, some automobile transmissions adopt a plurality of groups of planetary gear rows and hydraulic torque converters to realize a plurality of transmission ratios, some automobile transmissions adopt a plurality of gear pairs with different gear ratios to realize a plurality of transmission ratios, some automobile transmissions adopt the working radiuses of an input shaft belt wheel and an output shaft belt wheel to obtain the transmission ratio which can be changed in a certain transmission ratio interval, and the like.
The motor has wider rotating speed and high efficiency interval, is more suitable for automobiles with complicated and changeable power requirements than gasoline engines or diesel engines, and at present, a plurality of electric automobiles adopt a reduction gear box with only one reduction ratio for transmission, but the requirement for driving with lower power performance can only be met, and the requirement for higher power performance and driving economy can not be met. The adoption of the transmission with a plurality of speed ratios can not only obviously improve the power performance of the electric automobile, but also improve the power output efficiency of the motor, thereby prolonging the endurance mileage of the electric automobile.
The electric automobile market and the hybrid automobile market which are developed vigorously need an automobile transmission which can be adapted to the power output characteristics of a motor, and has compact structure and high transmission efficiency.
Disclosure of Invention
The invention aims to provide a six-speed-ratio speed change mechanism which is compact in structure, light in weight, high in transmission efficiency, reliable in operation and long in service life, adopts a planetary gear set for transmission and has six speed ratios.
In order to achieve the purpose, the invention adopts the technical scheme that: the six-speed-ratio speed change mechanism comprises a three-speed-ratio planetary gear speed change mechanism, a two-speed-ratio speed change mechanism and a frame, wherein the three-speed-ratio planetary gear speed change mechanism comprises a planetary gear set, an input member of the planetary gear set, an output member of the planetary gear set, a first gear selecting and shifting device and a second gear selecting and shifting device, the planetary gear set comprises a sun gear, a gear ring, a planet carrier and a plurality of planet gears, the sun gear is selectively connected with the input member of the planetary gear set or the frame through the first gear selecting and shifting device to transmit motion and torque, the gear ring is selectively connected with the input member of the planetary gear set or the frame through the second gear selecting and shifting device to transmit motion and torque, the planet carrier and the output member of the planetary gear set are connected or combined into the same member, and the two-speed-ratio speed change mechanism comprises a, The third gear selecting and shifting device selects the first gear shifting pair or the second gear shifting pair to transmit motion and torque, and the three-speed-ratio planetary gear speed change mechanism and the two-speed-ratio speed change mechanism are connected in series to transmit motion and torque.
In some embodiments, the six-speed ratio transmission mechanism further includes an input shaft, the input gear of the first speed gear pair and the input gear of the second speed gear pair of the two-speed ratio transmission mechanism are disposed on the input shaft, and the output gear of the first speed gear pair and the output gear of the second speed gear pair of the two-speed ratio transmission mechanism are disposed on the input member of the planetary gear set of the three-speed ratio planetary gear transmission mechanism.
In some embodiments, the six-speed ratio transmission mechanism further includes an output shaft, the input gear of the first speed ratio gearset of the two-speed ratio transmission mechanism and the input gear of the second speed gearset of the two-speed ratio transmission mechanism being disposed on the output member of the planetary gearset of the three-speed ratio planetary transmission mechanism, the output gear of the first speed gearset of the two-speed ratio transmission mechanism and the output gear of the second speed gearset of the two-speed ratio transmission mechanism being disposed on the output shaft.
In some embodiments, the six-speed ratio transmission mechanism further includes an input shaft that transmits motion and torque through the gear pairs with an input member of the planetary gear set of the three-speed ratio planetary transmission mechanism, an output shaft on which the input gear of the first and second speed gear pairs of the two-speed ratio transmission mechanism are disposed, and an input gear on which the output gear of the first and second speed gear pairs of the two-speed ratio transmission mechanism are disposed.
In some embodiments, the first gear selecting and shifting device comprises a first gear selecting and shifting driving element connected with an input member of the planetary gear set, a first gear selecting and shifting driven element connected with the sun gear, a first gear selecting and shifting locking element connected with the frame, the first gear selecting and shifting driven element can be connected with the first gear selecting and shifting driving element or the first gear selecting and shifting locking element to transmit torque, the second gear selecting and shifting device comprises a second gear selecting and shifting driving element connected with the input member of the planetary gear set, a second gear selecting and shifting driven element connected with the gear ring, a second gear selecting and shifting locking element connected with the frame, the second gear selecting and shifting driven element can be connected with the second gear selecting and shifting driving element or the second gear selecting and shifting locking element to transmit torque, and the third gear selecting and shifting device comprises a third gear selecting and shifting connecting element, a first speed gear pair selecting and shifting stop element connected with an input gear of the first speed gear pair or an output gear of the first speed gear pair, The third gear selecting and shifting connecting shaft is connected with the input shaft or the output shaft or an input member of the planetary gear set or an output member of the planetary gear set; the connecting shaft piece of the third gear selecting and shifting device can be connected with the first speed change gear pair gear selecting and shifting piece or the second speed change gear pair gear selecting and shifting piece to transmit torque.
In some embodiments, the first gear selecting and shifting driven member may be coupled to neither the first gear selecting and shifting driving member nor the first gear selecting and shifting locking member, the second gear selecting and shifting driven member may be coupled to neither the second gear selecting and shifting driving member nor the second gear selecting and shifting locking member, and the coupling member of the third gear selecting and shifting device may be coupled to neither the first gear selecting and shifting member nor the second gear selecting and shifting member.
In some embodiments, some or all of the gear pairs may be replaced with chain or belt drive pairs.
In some embodiments, the six-speed ratio transmission mechanism functions as a six-speed transmission having six speed ratios.
In some embodiments, the six-speed ratio variator is combined with other variator mechanisms to form a multi-speed ratio transmission having more speed ratios.
The input member of the present invention is generally referred to as the motion and torque input member, but in some applications or conditions, the input member may also be used as the motion and torque output member.
The output member of the present invention is generally referred to as the motion and torque output member, but in some applications or conditions, the output member may also be used as the motion and torque input member.
The frame of the invention refers to a transmission shell or a bracket, a support and other components of a mechanism.
The gear selecting and shifting device is a mechanism or a device, such as a synchronizer, a clutch and the like, which can enable transmission parts to be connected in pairs according to the requirement of transmission connection relationship.
Advantageous effects
Through the description of the technical scheme, the six-speed-ratio speed change mechanism provided by the invention can obtain at least one or all of the following beneficial effects:
the transmission mechanism has the advantages of compact structure, light weight, high transmission efficiency, reliable operation, long service life and the like;
the structure has various structural variants, can meet various arrangement requirements, and can adapt to various application occasions;
the six different speed ratios are provided, so that the output rotating speed and torque range is expanded, the wider application requirements can be met, the power performance can be improved, and the output efficiency of the engine can be improved;
the six-speed-ratio speed change mechanism can be used for the six-speed-ratio speed change mechanism and can be combined with other mechanisms so as to expand a transmission with more speed change ratios to meet more application requirements due to the characteristics of compact structure, light weight and capability of adapting to various arrangement requirements due to various structural variants.
Drawings
The drawings described herein are for illustration purposes only and it should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
In the drawings, like reference numerals refer to like elements, components or features consistently.
FIG. 1 is a six-speed ratio transmission mechanism according to one of the preferred embodiments of the present invention.
Fig. 2 is a six speed ratio transmission according to a second preferred embodiment of the present invention.
Fig. 3 is a six speed ratio transmission mechanism according to a third preferred embodiment of the present invention.
FIG. 4 is a four speed ratio transmission mechanism according to a preferred embodiment of the present invention.
Description of the reference numerals
001. A six-speed ratio transmission mechanism according to one of the preferred embodiments of the present invention;
002. a six-speed ratio transmission according to a second preferred embodiment of the present invention;
003. a six-speed ratio transmission mechanism according to a third preferred embodiment of the present invention;
004. a six-speed ratio transmission mechanism according to the fourth of the preferred embodiments of the present invention;
01. a three-speed ratio planetary gear change mechanism;
02. two speed ratio speed change mechanisms;
10. a frame;
11. an input shaft;
12. an input member of the planetary gear set;
13. an output member of the planetary gear set;
14. an output shaft;
20. a planetary gear set;
21. a sun gear;
22. a ring gear;
23. a planet carrier;
24. a planet wheel;
30. a first gear selecting and shifting device;
31. a first gear selecting and shifting driving part;
32. a first gear selecting and shifting driven member;
33. a first gear selecting and shifting locking piece;
40. a second gear selecting and shifting device;
41. a second gear selecting and shifting driving part;
42. a second gear selecting and shifting driven member;
43. a second gear selecting and shifting locking piece;
50. a third gear selecting and shifting device;
51. a first change gear pair selection and shift stopper;
52. a second shift gear pair selection and shift stopper;
53. a third gear selecting and shifting device connecting shaft;
60. the input shaft is in gear transmission with an input member of the planetary gear set;
61. an input shaft gear;
62. an input member gear of the planetary gear set;
70. a first change gear transmission pair;
71. an input gear of a first ratio gear pair;
72. an output gear of the first ratio gear pair;
80. a second change gear transmission pair;
81. an input gear of a second ratio gear pair;
82. an output gear of the second ratio gear pair;
91. an output member gear of the planetary gear set.
Detailed Description
In order to make the technical problems, technical solutions and advantages solved by the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments. It is to be understood that the following description of the specific embodiments is merely exemplary in nature and is in no way intended to limit the disclosure, application, or uses of the invention.
As shown in fig. 1, a six-speed ratio transmission mechanism 001 according to one of the preferred embodiments of the present invention comprises a three-speed ratio planetary gear transmission mechanism 01, a two-speed ratio transmission mechanism 02 and a frame 10, wherein the three-speed ratio planetary gear transmission mechanism 01 comprises a planetary gear set 20, an input member 12 of the planetary gear set, an output member 13 of the planetary gear set, a first gear selecting and shifting device 30 and a second gear selecting and shifting device 40, the planetary gear set 20 comprises a sun gear 21, a ring gear 22, a planet carrier 23 and a plurality of planet gears 24, the sun gear 21 is selectively coupled with the input member 12 of the planetary gear set or the frame 10 to transmit motion and torque through the first gear selecting and shifting device 30, the ring gear 22 is selectively coupled with the input member 12 of the planetary gear set or the frame 10 to transmit motion and torque through the second gear selecting and shifting device 40, the planet carrier 23 is connected with or combined into the same member with the, the two-speed-ratio speed change mechanism 02 comprises a first speed change gear transmission pair 70, a second speed change gear transmission pair 80 and a third gear selecting and shifting device 50, the first speed change gear transmission pair 70 or the second speed change gear transmission pair 80 is selected to transmit motion and torque through the third gear selecting and shifting device 50, and the three-speed-ratio planetary speed change mechanism 01 and the two-speed-ratio speed change mechanism 02 are connected in series to transmit motion and torque.
Wherein the six-speed ratio transmission mechanism 001 further comprises an input shaft 11, the input gear 71 of the first ratio gearset 70 and the input gear 81 of the second ratio gearset 80 of the two-speed ratio transmission mechanism 02 are arranged on the input shaft 11, and the output gear 72 of the first ratio gearset 70 and the output gear 82 of the second ratio gearset 80 of the two-speed ratio transmission mechanism 02 are arranged on the input member 12 of the planetary gearset of the three-speed ratio planetary gearset 01.
The first gearshift device 30 includes a first gearshift driving member 31 connected to the input member 12 of the planetary gear set, a first gearshift driven member 32 connected to the sun gear 21, and a first gearshift locking member 33 connected to the frame 10, the first gearshift driven member 32 may be connected to the first gearshift driving member 31 or the first gearshift locking member 33, the second gearshift device 40 includes a second gearshift driving member 41 connected to the input member 12 of the planetary gear set, a second gearshift driven member 42 connected to the ring gear 22, and a second gearshift locking member 43 connected to the frame 10, the second gearshift driven member 42 may be connected to the second gearshift driving member 41 or the second gearshift locking member 43, and the third gearshift device 50 includes a third gearshift connecting member 53 connected to the input member 12 (or the input shaft 11) of the planetary gear set, and a first gearshift connecting member 53 connected to the output gear 72 (or the input gear 71) of the first transmission gear set The shift element 51 of the gear change gear pair, the shift element 52 of the second gear change gear pair connected to the output gear 82 of the second gear change gear pair (or the input gear 81 of the second gear change gear pair), and the connecting shaft 53 of the third gear change device can be coupled to the shift element 51 of the first gear change gear pair or the shift element 52 of the second gear change gear pair.
Furthermore, the first gearshift follower 32 may be coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33, the second gearshift follower 42 may be coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43, and the connecting shaft 53 of the third gearshift device may be coupled to neither the first gearshift member 51 nor the second gearshift member 52.
For a better understanding of the six-speed ratio transmission 001 according to one of the preferred embodiments of the present invention, the movement and torque transmission of the six speed ratios of this embodiment will be described in detail below:
motion and torque transfer in the first speed ratio of the two-speed ratio transmission 02:
the connecting shaft 53 of the third gear selection and shift device is coupled to the first change gear set selection stop 51.
The motion and torque are input by the input shaft 11, transmitted to the first range gear pair 51 through the input gear 71 and the output gear 72 of the first range gear transmission pair 70, and transmitted to the input member 12 of the planetary gear set of the three-speed ratio planetary gear transmission mechanism 01 through the connecting shaft 53 of the third range gear device.
Motion and torque transfer at the second speed ratio of the two speed ratio transmission 02:
the coupling member 53 of the third gear selector is coupled to the second range gear selector 52.
The motion and torque are input by the input shaft 11, transmitted to the second range gear pair shift element 52 via the input gear 81 and the output gear 82 of the second range gear transmission pair 80, and transmitted to the input member 12 of the planetary gear set of the three-speed-ratio planetary gear transmission 01 via the connecting shaft 53 of the third shift device.
Motion and torque transmission of the first speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting locking member 43.
Motion and torque are input by the input member 12 of the planetary gear set, transmitted to the sun gear 21 through the first gear selecting and shifting driving member 31 and the first gear selecting and shifting driven member 32, the ring gear 22 connected with the second gear selecting and shifting driven member 42 is locked by the second gear selecting and shifting locking member 43 connected with the frame 10, and the motion and torque are input by the sun gear 21 to the planetary gear set 20, reduced in speed, and then output by the carrier 23 to the output member 13 of the planetary gear set.
Motion and torque transmission of the second speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting follower 32 is coupled to the first gear selecting and shifting locking piece 33, and the second gear selecting and shifting follower 42 is coupled to the second gear selecting and shifting driving piece 41.
The motion and torque are input by the input member 12 of the planetary gear set, and then transmitted to the ring gear 22 through the second gear selecting and shifting driving element 41 and the second gear selecting and shifting driven element 42, the sun gear 21 coupled with the first gear selecting and shifting driven element 32 is locked by the first gear selecting and shifting locking element 33 connected with the frame 10, and the motion and torque are input by the ring gear 22 to the planetary gear set 20, reduced in speed, and then output by the planet carrier 23 to the output member 13 of the planetary gear set.
Motion and torque transmission of the third speed ratio of the three-speed ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting driving member 41.
Motion and torque are input by the input member 12 of the planetary gear set, transmitted to the sun gear 21 through the first gear selection and shift driving element 31 and the first gear selection and shift driven element 32, transmitted to the ring gear 22 through the second gear selection and shift driving element 41 and the second gear selection and shift driven element 42, and input to the planetary gear set 20 by the sun gear 21 and the ring gear 22 and output to the output member 13 of the planetary gear set by the planet carrier 23.
It will be appreciated that since the two-speed ratio transmission mechanism 02 and the three-speed ratio planetary transmission mechanism 01 transmit motion and torque in tandem, the two speed ratios of the two-speed ratio transmission mechanism 02 and the three speed ratios of the three-speed ratio planetary transmission mechanism 01 can be combined to form two by three speed ratios, and the six-speed ratio transmission mechanism 001 can obtain six speed ratios altogether.
It should be noted that the three-ratio planetary transmission 01 is not able to transmit motion and torque when:
when the first gearshift follower 32 is coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33: the sun gear 21 is in a free state, and torque cannot be transmitted between the input member 12 and the output member 13.
When the second gearshift follower 42 is coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43: the ring gear 22 is in a free state and torque cannot be transmitted between the input member 12 and the output member 13.
When either or both of the above two conditions are satisfied, the three-speed-ratio planetary gear speed-change mechanism 01 cannot transmit motion and torque, that is, the three-speed-ratio planetary gear speed-change mechanism 01 is in a neutral state.
It should also be noted that the two-ratio transmission 02 is unable to transmit motion and torque when:
when the coupling member 53 of the third gearshift device is coupled neither to the first subtransmission selector element 51 nor to the second subtransmission selector element 52: torque cannot be transmitted between the input shaft 11 and the input member 12, and the two-speed ratio shift mechanism 02 is in a neutral state.
When either of the three-speed ratio planetary gear transmission mechanism 01 and the two-speed ratio transmission mechanism 02 is in the neutral state, torque and motion cannot be transmitted between the input shaft 11 and the output member 13, and the six-speed ratio transmission mechanism 001 according to one of the preferred embodiments of the present invention attains the neutral state.
It should also be noted that the three-ratio planetary transmission 01 can also be locked from rotation with the output member 13 when: when the first gearshift follower 32 is coupled to the first gearshift locking piece 33 and the second gearshift follower 42 is coupled to the second gearshift locking piece 43: the sun gear 21 coupled to the first gear selecting and shifting follower 32 is locked by the first gear selecting and shifting lock 33 connected to the frame 10, the ring gear 22 connected to the second gear selecting and shifting follower 42 is locked by the second gear selecting and shifting lock 43 connected to the frame 10, the carrier 23 is locked from rotating, and since the output member 13 is connected to or incorporated in the same member as the carrier, the six-speed ratio transmission 001 according to one of the preferred embodiments of the present invention achieves a parking gear.
It will be appreciated that in a six-ratio transmission 001 according to one of the preferred embodiments of the present invention, the first and second derailleurs 70 and 80 can be replaced by chain or belt drives.
As shown in fig. 2, the six-speed ratio transmission mechanism 002 according to the second preferred embodiment of the present invention is another arrangement of the six-speed ratio transmission mechanism 002 according to the first preferred embodiment of the present invention, and the six-speed ratio transmission mechanism 002 can also transmit motion and torque through the output member gear 91 of the planetary gear set. The six-speed ratio shifting mechanism 002 according to the second preferred embodiment of the present invention will be understood with reference to the six-speed ratio shifting mechanism 001 according to the first preferred embodiment of the present invention and will not be described in detail.
As shown in fig. 3, a six-speed ratio transmission mechanism 003 according to a third preferred embodiment of the present invention includes a three-speed ratio planetary gear transmission mechanism 01, a two-speed ratio transmission mechanism 02, and a carrier 10, wherein the three-speed ratio planetary gear transmission mechanism 01 includes a planetary gear set 20, an input member 12 of the planetary gear set, an output member 13 of the planetary gear set, a first select shift device 30, and a second select shift device 40, the planetary gear set 20 includes a sun gear 21, a ring gear 22, a carrier 23, and a plurality of planetary gears 24, the sun gear 21 is selectively coupled with the input member 12 of the planetary gear set or the carrier 10 to transmit motion and torque through the first select shift device 30, the ring gear 22 is selectively coupled with the input member 12 of the planetary gear set or the carrier 10 to transmit motion and torque through the second select shift device 40, the carrier 23 is connected with or combined into the same member as the output member 13 of the planetary gear set, the two-speed-ratio speed change mechanism 02 comprises a first speed change gear transmission pair 70, a second speed change gear transmission pair 80 and a third gear selecting and shifting device 50, the first speed change gear transmission pair 70 or the second speed change gear transmission pair 80 is selected to transmit motion and torque through the third gear selecting and shifting device 50, and the three-speed-ratio planetary speed change mechanism 01 and the two-speed-ratio speed change mechanism 02 are connected in series to transmit motion and torque.
Wherein the six-speed ratio transmission mechanism 003 further includes an output shaft 14, the input gear 71 of the first ratio gearset 70 and the input gear 81 of the second ratio gearset 80 of the two-speed ratio transmission mechanism 02 are disposed on the output member 13 of the planetary gear set of the three-speed ratio planetary gear transmission mechanism 01, and the output gear 72 of the first ratio gearset 70 and the output gear 82 of the second ratio gearset 80 of the two-speed ratio transmission mechanism 02 are disposed on the output shaft 14.
The first gearshift device 30 includes a first gearshift driving member 31 connected to the input member 12 of the planetary gear set, a first gearshift driven member 32 connected to the sun gear 21, and a first gearshift locking member 33 connected to the frame 10, the first gearshift driven member 32 may be connected to the first gearshift driving member 31 or the first gearshift locking member 33, the second gearshift device 40 includes a second gearshift driving member 41 connected to the input member 12 of the planetary gear set, a second gearshift driven member 42 connected to the ring gear 22, and a second gearshift locking member 43 connected to the frame 10, the second gearshift driven member 42 may be connected to the second gearshift driving member 41 or the second gearshift locking member 43, and the third gearshift device 50 includes a third gearshift connecting member 53 connected to the output member 13 (or the output shaft 14) of the planetary gear set, and a first gearshift connecting member 53 connected to the input gear 71 (or the output gear 72) of the first transmission gear set The shift element 51 of the gear change gear pair, the shift element 52 of the second gear change gear pair connected to the input gear 81 of the second gear change gear pair (or the output gear 82 of the second gear change gear pair), and the connecting shaft 53 of the third gear change device can be coupled to the shift element 51 of the first gear change gear pair or the shift element 52 of the second gear change gear pair.
Furthermore, the first gearshift follower 32 may be coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33, the second gearshift follower 42 may be coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43, and the connecting shaft 53 of the third gearshift device may be coupled to neither the first gearshift member 51 nor the second gearshift member 52.
For a better understanding of the six speed ratio variator 003 according to the third preferred embodiment of the present invention, the movement and torque transmission of the six speed ratios of this embodiment will now be described in detail:
motion and torque transmission of the first speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting locking member 43.
Motion and torque are input by the input member 12 of the planetary gear set, transmitted to the sun gear 21 through the first gear selecting and shifting driving member 31 and the first gear selecting and shifting driven member 32, the ring gear 22 connected with the second gear selecting and shifting driven member 42 is locked by the second gear selecting and shifting locking member 43 connected with the frame 10, and the motion and torque are input by the sun gear 21 to the planetary gear set 20, reduced in speed, and then output by the carrier 23 to the output member 13 of the planetary gear set.
Motion and torque transmission of the second speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting follower 32 is coupled to the first gear selecting and shifting locking piece 33, and the second gear selecting and shifting follower 42 is coupled to the second gear selecting and shifting driving piece 41.
Motion and torque are input by the input member 12 of the planetary gear set, transmitted to the ring gear 22 through the second gear selecting and shifting driving element 41 and the second gear selecting and shifting driven element 42, the sun gear 21 coupled with the first gear selecting and shifting driven element 32 is locked by the first gear selecting and shifting locking element 33 connected with the frame 10, and the motion and torque are input by the ring gear 22 to the planetary gear set 20, reduced in speed, and output by the planet carrier 23 to the output member 13 of the planetary gear set.
Motion and torque transmission of the third speed ratio of the three-speed ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting driving member 41.
Motion and torque are input by the input member 12 of the planetary gear set, transmitted to the sun gear 21 through the first gear selection and shift driving element 31 and the first gear selection and shift driven element 32, transmitted to the ring gear 22 through the second gear selection and shift driving element 41 and the second gear selection and shift driven element 42, and input to the planetary gear set 20 by the sun gear 21 and the ring gear 22 and output to the output member 13 of the planetary gear set by the planet carrier 23.
Motion and torque transfer in the first speed ratio of the two-speed ratio transmission 02:
the connecting shaft 53 of the third gear selection and shift device is coupled to the first change gear set selection stop 51.
The motion and torque are input by the output member 13 of the planetary gear set, transmitted to the input gear 71 of the first range gear pair 70 through the connecting shaft 53 of the third gear selector and the first range gear selector 51, and then transmitted to the output shaft 14 through the output gear 72.
Motion and torque transfer at the second speed ratio of the two speed ratio transmission 02:
the coupling member 53 of the third gear selector is coupled to the second range gear selector 52.
The motion and torque are input by the output member 13 of the planetary gear set, transmitted to the input gear 81 of the second speed gear pair 80 via the connecting shaft 53 of the third gear selection and shift device, the second speed gear pair selection and shift element 52, and then transmitted to the output shaft 14 via the output gear 82.
It will be understood that since the three-speed ratio planetary gear transmission mechanism 01 and the two-speed ratio transmission mechanism 02 transmit motion and torque in tandem, the two speed ratios of the two-speed ratio transmission mechanism 02 and the three speed ratios of the three-speed ratio planetary gear transmission mechanism 01 can be combined to form two-by-three speed ratios, and the six-speed ratio transmission mechanism 003 can obtain six speed ratios in total.
It should be noted that the three-ratio planetary transmission 01 is not able to transmit motion and torque when:
when the first gearshift follower 32 is coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33: the sun gear 21 is in a free state, and torque cannot be transmitted between the input member 12 and the output member 13.
When the second gearshift follower 42 is coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43: the ring gear 22 is in a free state and torque cannot be transmitted between the input member 12 and the output member 13.
When either or both of the above two conditions are satisfied, the three-speed-ratio planetary gear speed-change mechanism 01 cannot transmit motion and torque, that is, the three-speed-ratio planetary gear speed-change mechanism 01 is in a neutral state.
It should also be noted that the two-ratio transmission 02 is unable to transmit motion and torque when:
when the coupling member 53 of the third gearshift device is coupled neither to the first subtransmission selector element 51 nor to the second subtransmission selector element 52: torque cannot be transmitted between the output shaft 14 and the output member 13, and the two-speed ratio shift mechanism 02 is in the neutral state.
When either of the three-speed ratio planetary gear shifting mechanism 01 and the two-speed ratio shifting mechanism 02 is in the neutral state, no torque and no motion can be transmitted between the input member 12 and the output shaft 14, and the six-speed ratio shifting mechanism 003 according to the third preferred embodiment of the present invention attains the neutral state.
It should also be noted that the three-ratio planetary transmission 01 can also be locked from rotation with the output member 13 when: when the first gearshift follower 32 is coupled to the first gearshift locking piece 33 and the second gearshift follower 42 is coupled to the second gearshift locking piece 43: the sun gear 21 connected to the first gear selecting and shifting follower 32 is locked by the first gear selecting and shifting locking piece 33 connected to the frame 10, the ring gear 22 connected to the second gear selecting and shifting follower 42 is locked by the second gear selecting and shifting locking piece 43 connected to the frame 10, the carrier 23 is not rotated, and the output member 13 is locked from rotating because the output member 13 is connected to or incorporated into the same member as the carrier, and the output shaft 14 connected to the wheel is also locked if the connecting shaft 53 of the third gear selecting and shifting device is connected to the first change gear transmission sub-selecting and shifting piece 51 or the second change gear transmission sub-selecting and shifting piece 52, and the six speed ratio transmission 003 according to the third preferred embodiment of the present invention achieves parking.
It will be appreciated that in the third six-speed ratio transmission 003 according to the preferred embodiment of the present invention, the first and second speed transforming gear pairs 70, 80 can be replaced by chain or belt drives.
As shown in fig. 4, the six-speed ratio transmission mechanism 004 according to the fourth preferred embodiment of the present invention includes a three-speed ratio planetary gear transmission mechanism 01, a two-speed ratio transmission mechanism 02 and a frame 10, the three-speed ratio planetary gear transmission mechanism 01 includes a planetary gear set 20, an input member 12 of the planetary gear set, an output member 13 of the planetary gear set, a first gear selecting and shifting device 30 and a second gear selecting and shifting device 40, the planetary gear set 20 includes a sun gear 21, a ring gear 22, a planet carrier 23 and a plurality of planet gears 24, the sun gear 21 is selectively coupled with the input member 12 of the planetary gear set or the frame 10 to transmit motion and torque through the first gear selecting and shifting device 30, the ring gear 22 is selectively coupled with the input member 12 of the planetary gear set or the frame 10 to transmit motion and torque through the second gear selecting and shifting device 40, the planet carrier 23 is connected with or combined with the output member 13 of the planetary gear, the two-speed-ratio speed change mechanism 02 comprises a first speed change gear transmission pair 70, a second speed change gear transmission pair 80 and a third gear selecting and shifting device 50, the first speed change gear transmission pair 70 or the second speed change gear transmission pair 80 is selected to transmit motion and torque through the third gear selecting and shifting device 50, and the three-speed-ratio planetary speed change mechanism 01 and the two-speed-ratio speed change mechanism 02 are connected in series to transmit motion and torque.
Wherein the six-speed ratio shifting mechanism 004 further includes an input shaft 11, an output shaft 14, the input shaft 11 transmitting motion and torque through the gear transmission pair 60 with the input member 12 of the planetary gear set of the three-speed ratio planetary gear shifting mechanism 01, the input gear 71 of the first transmission gear transmission pair 70 and the input gear 81 of the second transmission gear transmission pair 80 of the two-speed ratio shifting mechanism 02 being disposed on the output member 13 of the planetary gear set of the three-speed ratio planetary gear shifting mechanism 01, the output gear 72 of the first transmission gear transmission pair 70 and the output gear 82 of the second transmission gear transmission pair 80 of the two-speed ratio shifting mechanism 02 being disposed on the output shaft 14.
The first gearshift device 30 includes a first gearshift driving element 31 connected to the input member 12 of the planetary gear set, a first gearshift driven element 32 connected to the sun gear 21, and a first gearshift locking element 33 connected to the frame 10, the first gearshift driven element 32 being connectable to the first gearshift driving element 31 or the first gearshift locking element 33, the second gearshift device 40 includes a second gearshift driving element 41 connected to the input member 12 of the planetary gear set, a second gearshift driven element 42 connected to the ring gear 22, and a second gearshift locking element 43 connected to the frame 10, the second gearshift driven element 42 being connectable to the second gearshift driving element 41 or the second gearshift locking element 43, and the third gearshift device 50 includes a third gearshift connecting element 53 connected to the output shaft 14 (or the output member 13 of the planetary gear set), and a first transmission gear element 53 connected to the input gear 71 of the first transmission gear pair or the output gear 72 of the first transmission gear pair The gear pair shift selection element 51, the second range gear pair shift selection element 52 connected to the input gear 81 of the second range gear pair or the output gear 82 of the second range gear pair, and the connecting shaft 53 of the third shift selection device can be coupled to the first range gear pair shift selection element 51 or the second range gear pair shift selection element 52.
Furthermore, the first gearshift follower 32 may be coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33, the second gearshift follower 42 may be coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43, and the connecting shaft 53 of the third gearshift device may be coupled to neither the first gearshift member 51 nor the second gearshift member 52.
To better understand the six-speed ratio variator 004 according to the fourth preferred embodiment of the present invention, the movement and torque transmission of the six speed ratios in this embodiment is described in detail below:
motion and torque transmission of the first speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting locking member 43.
The motion and the torque are input through the input shaft 11, transmitted to the input member 12 of the planetary gear set through the input shaft and the input member gear 61 of the input member gear transmission pair 60 of the planetary gear set and the input member gear 62 of the planetary gear set, and then transmitted to the sun gear 21 through the first gear selecting and shifting driving part 31 and the first gear selecting and shifting driven part 32, the gear ring 22 connected with the second gear selecting and shifting driven part 42 is locked by the second gear selecting and shifting locking part 43 connected with the frame 10, and the motion and the torque are input into the planetary gear set 20 through the sun gear 21, reduced and then output to the output member 13 of the planetary gear set through the planet carrier 23.
Motion and torque transmission of the second speed ratio of the three-speed-ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting follower 32 is coupled to the first gear selecting and shifting locking piece 33, and the second gear selecting and shifting follower 42 is coupled to the second gear selecting and shifting driving piece 41.
The motion and the torque are input through the input shaft 11, transmitted to the input member 12 of the planetary gear set through the input shaft and the input member gear 61 of the input member gear transmission pair 60 of the planetary gear set and the input member gear 62 of the planetary gear set, and then transmitted to the gear ring 22 through the second gear selecting and shifting driving element 41 and the second gear selecting and shifting driven element 42, the sun gear 21 connected with the first gear selecting and shifting driven element 32 is locked by the first gear selecting and shifting locking element 33 connected with the frame 10, and the motion and the torque are input into the planetary gear set 20 through the gear ring 22, reduced and then output to the output member 13 of the planetary gear set through the planet carrier 23.
Motion and torque transmission of the third speed ratio of the three-speed ratio planetary gear transmission mechanism 01:
the first gear selecting and shifting driven member 32 is coupled to the first gear selecting and shifting driving member 31, and the second gear selecting and shifting driven member 42 is coupled to the second gear selecting and shifting driving member 41.
The motion and torque are input through the input shaft 11, transmitted to the input member 12 of the planetary gear set through the input shaft and the input member gear 61 of the input member gear pair 60 of the planetary gear set and the input member gear 62 of the planetary gear set, transmitted to the sun gear 21 through the first gear selecting and shifting driving element 31 and the first gear selecting and shifting driven element 32, transmitted to the ring gear 22 through the second gear selecting and shifting driving element 41 and the second gear selecting and shifting driven element 42, and output to the output member 13 of the planetary gear set through the planet carrier 23 after being input to the planetary gear set 20 through the sun gear 21 and the ring gear 22.
Motion and torque transfer in the first speed ratio of the two-speed ratio transmission 02:
the connecting shaft 53 of the third gear selection and shift device is coupled to the first change gear set selection stop 51.
The motion and torque are input by the output member 13 of the planetary gear set, transmitted to the input gear 71 of the first range gear pair 70 through the connecting shaft 53 of the third gear selector and the first range gear selector 51, and then transmitted to the output shaft 14 through the output gear 72.
Motion and torque transfer at the second speed ratio of the two speed ratio transmission 02:
the coupling member 53 of the third gear selector is coupled to the second range gear selector 52.
The motion and torque are input by the output member 13 of the planetary gear set, transmitted to the input gear 81 of the second speed gear pair 80 via the connecting shaft 53 of the third gear selection and shift device, the second speed gear pair selection and shift element 52, and then transmitted to the output shaft 14 via the output gear 82.
It will be appreciated that since the three-speed ratio planetary gear transmission mechanism 01 and the two-speed ratio planetary gear transmission mechanism 02 transmit motion and torque in tandem, the two speed ratios of the two-speed ratio transmission mechanism 02 and the three speed ratios of the three-speed ratio planetary gear transmission mechanism 01 can be combined to form two-by-three speed ratios, and the six-speed ratio transmission mechanism 004 can obtain six speed ratios in total.
It should be noted that the three-ratio planetary transmission 01 is not able to transmit motion and torque when:
when the first gearshift follower 32 is coupled to neither the first gearshift driving member 31 nor the first gearshift locking member 33: the sun gear 21 is in a free state, and torque cannot be transmitted between the input member 12 and the output member 13.
When the second gearshift follower 42 is coupled to neither the second gearshift driving member 41 nor the second gearshift locking member 43: the ring gear 22 is in a free state and torque cannot be transmitted between the input member 12 and the output member 13.
When either or both of the above two conditions are satisfied, the three-speed-ratio planetary gear speed-change mechanism 01 cannot transmit motion and torque, that is, the three-speed-ratio planetary gear speed-change mechanism 01 is in a neutral state.
It should also be noted that the two-ratio transmission 02 is unable to transmit motion and torque when:
when the coupling member 53 of the third gearshift device is coupled neither to the first subtransmission selector element 51 nor to the second subtransmission selector element 52: torque cannot be transmitted between the output shaft 14 and the output member 13, and the two-speed ratio shift mechanism 02 is in the neutral state.
When either of the three-speed ratio planetary gear shifting mechanism 01 and the two-speed ratio shifting mechanism 02 is in the neutral state, no torque and no motion can be transmitted between the input member 12 and the output shaft 14, and the six-speed ratio shifting mechanism 003 according to the third preferred embodiment of the present invention attains the neutral state.
It should also be noted that the three-ratio planetary transmission 01 can also be locked from rotation with the output member 13 when: when the first gearshift follower 32 is coupled to the first gearshift locking piece 33 and the second gearshift follower 42 is coupled to the second gearshift locking piece 43: the sun gear 21 connected to the first gear selecting and shifting follower 32 is locked by the first gear selecting and shifting locking piece 33 connected to the frame 10, the ring gear 22 connected to the second gear selecting and shifting follower 42 is locked by the second gear selecting and shifting locking piece 43 connected to the frame 10, the carrier 23 is not rotated, and the output member 13 is locked from rotating because the output member 13 is connected to or incorporated into the same member as the carrier, and the output shaft 14 connected to the wheel is also locked if the connecting shaft 53 of the third gear selecting and shifting device is connected to the first change gear transmission sub-selecting and shifting piece 51 or the second change gear transmission sub-selecting and shifting piece 52, and the six speed ratio transmission 003 according to the third preferred embodiment of the present invention achieves parking.
It will be appreciated that in the six-speed ratio variator 004 according to the fourth preferred embodiment of the present invention, the input shaft and input member gear pair 60 of the planetary gear set, the first ratio gear pair 70 and the second ratio gear pair 80 may be replaced by a chain drive or a belt drive.
In summary, it is understood that the six-speed-ratio speed change mechanism according to the invention not only can obtain six transmission ratios, but also has various structures and arrangement forms, and can meet various application requirements; it will also be appreciated that the six-speed ratio transmission mechanism according to the present invention can be used as a six-speed transmission having six speed ratios, or can be combined with other transmission mechanisms to form a multi-speed transmission having more speed ratios.
In addition, it is also difficult to understand that the six-speed-ratio speed change mechanism adopts the planetary gear transmission and adopts the synchronizer (or the clutch and the like) as the gear selecting and shifting device, and the six-speed-ratio speed change mechanism has the advantages of compact structure, light weight, strong bearing capacity, high transmission efficiency, reliable operation, long service life and the like.
It is to be understood that the above description of the invention is merely exemplary, and that variations that do not depart from the gist of the invention are intended to be within the scope of the invention, and such variations are not to be construed as departing from the spirit and scope of the invention.
Claims (4)
1. A six-speed-ratio speed change mechanism is characterized by comprising a three-speed-ratio planetary gear speed change mechanism, a two-speed-ratio speed change mechanism and a frame, wherein the three-speed-ratio planetary gear speed change mechanism comprises a planetary gear set, an input member of the planetary gear set, an output member of the planetary gear set, a first gear selecting and shifting device and a second gear selecting and shifting device, the planetary gear set comprises a sun gear, a gear ring, a planet carrier and a plurality of planet gears, the sun gear is selected to be connected with the input member of the planetary gear set or the frame through the first gear selecting and shifting device to transmit motion and torque, the gear ring is selected to be connected with the input member of the planetary gear set or the frame through the second gear selecting and shifting device to transmit motion and torque, the planet carrier is connected with or combined into the same member with the output member of the planetary gear set, and the two-speed, The third gear selecting and shifting device selects the first gear shifting pair or the second gear shifting pair to transmit motion and torque, and the three-speed-ratio planetary gear speed change mechanism and the two-speed-ratio speed change mechanism are connected in series to transmit motion and torque; the six-speed-ratio speed change mechanism further comprises an input shaft, an input gear of a first speed change gear transmission pair and an input gear of a second speed change gear transmission pair of the two-speed-ratio speed change mechanism are arranged on the input shaft, an output gear of the first speed change gear transmission pair and an output gear of the second speed change gear transmission pair of the two-speed-ratio speed change mechanism are arranged on an input member of a planetary gear set of the three-speed-ratio planetary gear speed change mechanism, and motion and torque are output to an output member of the planetary gear set by the planet carrier; or the six-speed-ratio speed change mechanism further comprises an output shaft, an input gear of the first speed-ratio transmission pair and an input gear of the second speed-ratio transmission pair of the two-speed-ratio speed change mechanism are arranged on an output member of the planetary gear set of the three-speed-ratio planetary gear speed change mechanism, an output gear of the first speed-ratio transmission pair and an output gear of the second speed-ratio transmission pair of the two-speed-ratio speed change mechanism are arranged on the output shaft, and motion and torque are input by the input member of the planetary gear set; or the six-speed-ratio speed change mechanism further comprises an input shaft and an output shaft, wherein the input shaft and an input member of a planetary gear set of the three-speed-ratio planetary gear speed change mechanism transmit motion and torque through a gear transmission pair, an input gear of a first speed gear transmission pair and an input gear of a second speed gear transmission pair of the two-speed-ratio speed change mechanism are arranged on an output member of the planetary gear set of the three-speed-ratio planetary gear speed change mechanism, and an output gear of the first speed gear transmission pair and an output gear of the second speed gear transmission pair of the two-speed-ratio speed change mechanism are arranged on the output shaft.
2. The six-speed ratio transmission of claim 1, wherein the first select/shift device comprises a first select/shift driving member coupled to the input member of the planetary gear set, a first select/shift driven member coupled to the sun gear, and a first select/shift locking member coupled to the frame, the first select/shift driven member being coupled to the first select/shift driving member or the first select/shift locking member to transmit torque, the second select/shift device comprises a second select/shift driving member coupled to the input member of the planetary gear set, a second select/shift driven member coupled to the ring gear, a second select/shift locking member coupled to the frame, the second select/shift driven member being coupled to the second select/shift driving member or the second select/shift locking member to transmit torque, and the third select/shift device comprises a third select/shift connecting shaft, a first change gear pair select/stop member coupled to the input gear of the first change gear pair or the output gear of the first change gear pair, a second select/shift stop member coupled to the output member of the first change gear pair, and a second select/shift locking member, The third gear selecting and shifting connecting shaft is connected with the input shaft or the output shaft or an input member of the planetary gear set or an output member of the planetary gear set; the connecting shaft piece of the third gear selecting and shifting device can be connected with the first speed change gear pair gear selecting and shifting piece or the second speed change gear pair gear selecting and shifting piece to transmit torque.
3. A six-speed ratio transmission according to claim 2 wherein the first gear selection and shift follower is coupled to neither the first gear selection and shift driving member nor the first gear selection and shift locking member, the second gear selection and shift follower is coupled to neither the second gear selection and shift driving member nor the second gear selection and shift locking member, and the shaft connecting member of the third gear selection and shift device is coupled to neither the first range gear selection and shift member nor the second range gear selection and shift member.
4. The six-speed ratio transmission mechanism of claim 1, wherein the six-speed ratio transmission mechanism functions as a six-speed transmission having six speed ratios.
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| CN201611170487.3A CN108204435B (en) | 2016-12-16 | 2016-12-16 | Six-speed-ratio speed change mechanism |
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| CN201611170487.3A CN108204435B (en) | 2016-12-16 | 2016-12-16 | Six-speed-ratio speed change mechanism |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2589967A1 (en) * | 1985-11-08 | 1987-05-15 | Valeo | EVOLUTIVE GEARBOX WITH PARALLEL SHAFTS AND PLANETARY GEAR IN PARTICULAR FOR MOTOR VEHICLES |
| WO2014032961A1 (en) * | 2012-08-25 | 2014-03-06 | Volkswagen Aktiengesellschaft | Hybrid powertrain for a motor vehicle, hybrid vehicle, and use thereof |
| EP2450215B1 (en) * | 2010-11-04 | 2015-10-14 | ZF Friedrichshafen AG | Hybrid drive |
| CN105443705A (en) * | 2016-01-12 | 2016-03-30 | 赵良红 | Semi-combined-type gear transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7867124B2 (en) * | 2007-09-10 | 2011-01-11 | Gm Global Technology Operations, Inc. | Output split electrically-variable transmission with electric propulsion using one or two motors |
| KR101543086B1 (en) * | 2013-10-29 | 2015-08-07 | 현대자동차주식회사 | Hybrid power train for vehicle |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2589967A1 (en) * | 1985-11-08 | 1987-05-15 | Valeo | EVOLUTIVE GEARBOX WITH PARALLEL SHAFTS AND PLANETARY GEAR IN PARTICULAR FOR MOTOR VEHICLES |
| EP2450215B1 (en) * | 2010-11-04 | 2015-10-14 | ZF Friedrichshafen AG | Hybrid drive |
| WO2014032961A1 (en) * | 2012-08-25 | 2014-03-06 | Volkswagen Aktiengesellschaft | Hybrid powertrain for a motor vehicle, hybrid vehicle, and use thereof |
| CN105443705A (en) * | 2016-01-12 | 2016-03-30 | 赵良红 | Semi-combined-type gear transmission |
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