USRE39960E1 - Automatic transmission for motor vehicles - Google Patents
Automatic transmission for motor vehicles Download PDFInfo
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- USRE39960E1 USRE39960E1 US10/782,749 US78274900A USRE39960E US RE39960 E1 USRE39960 E1 US RE39960E1 US 78274900 A US78274900 A US 78274900A US RE39960 E USRE39960 E US RE39960E
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- planetary set
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 126
- 241000239290 Araneae Species 0.000 claims abstract description 55
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Classifications
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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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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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
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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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
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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
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2043—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five engaging means
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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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
Definitions
- the present invention concerns a motor vehicle transmission capable of automatic shifting, with three spider mounted, planetary sets, three braking mechanisms, two couplings for six forward gear changes and one reverse gear change as well as one input drive shaft and one output drive shaft.
- a planetary transmission of this nature has been made known by U.S. Pat. No. 4,070,927, wherein the number of the forward gears is respectively greater by one than the numbers of the frictional elements. At each gear change between the forward gears, one of the provided frictional elements is shifted in or out.
- the purpose of the invention is to make available a new and improved transmission, which avoids the known faults and yet fulfills the above mentioned advantages. Further the purpose will include a desirable construction and arrangement of a start-up element as well as make possible a desirable design of the input and output of power.
- this purpose will be achieved by a transmission for a motor vehicle with automatic shifting capabilities.
- an automatically shiftable vehicle transmission is available, with six forward gears, and one reverse gear which, advantageously for motor vehicles, exhibits a very well adapted gear ratio with a high over-all range and favorable gear change stages, as well as a high start-up ratio in the forward direction.
- the fifth gear is a direct gear.
- a transmission of this nature is adaptable both for passenger vehicles and for commercial vehicles and characterizes itself by a modest cost of construction, that is, two clutches and three brakes, wherein, in the case of sequential shifting, double shift is avoided and thus, with any desired shifting within a group of gears, respectively only two shifting elements are changed.
- the transmission in accord with the invention can be made in an advantageous manner in two versions, wherein these versions differ from one another by the varying connections within the individual planetary sets.
- the power input drive shaft and the power output drive shaft can, in this design, be coaxial with one another in opposite sides of the transmission housing as well as on the same side of the said transmission housing. Further, a placement of the power takeoff drive between the planetary sets and the clutches is possible.
- the power takeoff drive is continually in connection with the spider of the second planetary set and with the internal gear of first planetary set; the spider of the first planetary set is continually in connection with internal gear of the third planetary set 4 , and the internal gear of the second planetary set is continually in connection with the spider of the third planetary set.
- a design of this kind is especially well adapted for a coaxial arrangement of power input and power take-off shafts.
- a development of the invention proposes, that the first clutch be activated in the first and fifth gear, as well as the reverse gear, and that the second clutch is activated in the fourth, fifth and sixth gear.
- the first brake is activated in the second and sixth gear
- the second brake is available for the first and reverse gears
- the third brake is activated in the first, second, third and fourth gear.
- FIG. 1 in schematic presentation, a transmission with coaxial power input and output in accord with a first version
- FIG. 2 in schematic presentation, a transmission with coaxial power input and output in accord with a second version
- FIG. 3 in schematic presentation, a transmission in accord with the first version with the power input on the power output side
- FIG. 4 in schematic presentation, a transmission in accord with the first version, with power output between the planetary sets and the clutches;
- FIG. 5 in schematic presentation, a transmission with a torque converter for a standard transmission assembly
- FIG. 6 in schematic presentation, a transmission in accord with the first version, however, in mirror image arrangement with integrated start-up braking for a front-cross-arrangement in passenger car,
- FIGS. 7 , 9 , 9 example series of gear ratios for a transmission in accord with FIG. 1 ,
- FIGS. 10 , 11 example series of gear ratios for a transmission in accord with FIG. 2 .
- FIG. 12 a flow diagram for a transmission in accord with the invention.
- the internal gear 14 of the first planetary set 2 stands continually in connection with the spider 23 of the third planetary set 4 and, in turn, this spider 23 is continually in connection with the power output shaft 11 .
- the following components can be braked against the transmission housing: the sun gear 12 of the first planetary set by means of the first brake 5 , the spider 15 of the first planetary set 2 by means of the second brake 6 , the internal gear 18 of the second planetary set 3 also by means of the second brake 6 , and the sun gear 20 of the third planetary set 4 by means of the third brake 7 .
- the sun gears 12 and 16 of the first and second planetary sets can likewise be connected with, or be in continual connection with the input drive shaft.
- the power output shaft 11 is in continual connection with the spider 19 of the second planetary set 3 and this, in turn, is in continual connection with the internal gear 14 of the first planetary set 2 .
- the spider 15 of the first planetary set 2 is further continually connected with the internal gear 22 of the third planetary set 4 and the internal gear 18 of the second planetary set 3 is continually connected to the spider 23 of the third planetary set 4 .
- the spider 15 as well as the internal gear 22 can be, in this way, by means of the brake 6 , attached to the transmission housing, as can be the sun gear 20 by means of the brake 7 .
- the design of the transmission in accord with FIG. 3 represents, essentially, the first version shown in FIG. 1 . In this case, however, the alternative is, that the input drive 10 and the output drive 11 are provided on the same side of the transmission.
- FIG. 4 A further alternative arrangement of the transmission is shown in FIG. 4 , wherein the input power sequences through the transmission by means of the input drive 10 to the sun gear 16 and simultaneously through the clutches 8 and 9 to the sun gear 12 as well as to the spider 15 which connects to the internal gear 18 .
- the output drive 11 is placed in the transmission between the planetary sets 2 , 3 , 4 and the clutches 8 and 9 .
- a development of the transmission arrangement based on the first version (FIG. 5 ), provides, that the input drive be made through a torque converter 24 .
- the turbine wheel of the torque converter 24 is directly connectable with the sun gear 16 and the second planetary set 3 , or is connectable by means of the clutches 8 and 9 with the first or second planetary set 2 , 3 .
- FIG. 6 A further alternative arrangement of the invented transmission is presented in FIG. 6 , showing an integrated start-up brake for a front-end, cross motor setup in a passenger car.
- the transmission in this case corresponds to a mirror image design of the first version of the transmission as shown in FIG. 1 , wherein, however, the input and output drive shaft 10 and 11 respectively, are placed on the same side. Additionally, between an internal combustion engine 25 and the input drive shaft 10 is found a torsion, vibration damper 26 .
- the power output shaft 11 is, by means of an additional gear ratio stage and a different 27 , connected to the drive wheels 28 and 29 .
- the two examples of gear ratio series exhibit a ratio i in the first gear between 3.83 or 3.87 at an entire stage range ⁇ ges of 0.484.88 to 5.06.
- the ratio i in the fifth gear shows likewise 1.00.
- the fifth gear is, in all ratio series, is designed advantageously as a direct gear.
- a neutral position can be effected by the closure of one shifting element and the opening of another, for instance, by closing the first brake 5 , B 1 and opening the second brake 6 , B 2 for a neutral position forwards.
- the input drive shaft 10 can be separated from the motor by a clutch element, whereby the clutch element, for instance, can be designed as a dry or wet start-up clutch, a magnetic powder clutch, a centrifugal, a hydrodynamic clutch or a similar clutch device. Further, the input drive shaft 10 can also be separated from the motor by means of a conversion element, wherein this may be designed as a hydrodynamic converter, as a differential converter, as a start-up retarder, as a hydrostatic transmission, or an electrical transmission or again as an electrodynamic clutch.
- a clutch element for instance, can be designed as a dry or wet start-up clutch, a magnetic powder clutch, a centrifugal, a hydrodynamic clutch or a similar clutch device.
- the input drive shaft 10 can also be separated from the motor by means of a conversion element, wherein this may be designed as a hydrodynamic converter, as a differential converter, as a start-up retarder, as a hydrostatic transmission, or an electrical transmission or again as an electrodynamic clutch.
- the input drive shaft 10 can also be separated from the motor by a conversion element, wherein this could be designed as a hydrodynamic converter, as a differential converter, as a start-up retarder, as a hydrostatic transmission, as an electrical transmission or as an electro-mechanical transmission or the like. This means, that between the motor and the drive, an additional ratio stage with a constant or even a variable ratio which was equal to or greater than one.
- a start-up element can also be placed behind the drive, so that the input shaft 10 is firmly bond with the clutch shaft of a motor.
- the start-up is carried out by a shifting element of the transmission, for instance, by means of the second brake 6 .
- a slip-free brake for instance a hydraulic or electrical retarder or the like, can be placed on each shaft, preferably on the input shaft 10 or the output shaft 11 .
- a power takeoff shaft can be provided for the input power from additional components on each shaft, preferably, however, on the input shaft 10 and the output shaft 11 .
- the shifting elements themselves comprise powershift clutches or brakes, such as lamellar clutches, band brakes, conic clutches or the like.
- the shifting elements can, however, be made of form-fit clutches or brakes, for instance dog clutches or synchronization.
Abstract
The invention concerns a transmission (1) with automatic shifting capabilities and with three spider supported planetary sets (2, 3, 4), three brakes (5, 6, 7), and two clutches (8, 9) for the shifting of six forward moving gears and one reverse gear and having an input shaft (10) and an output shaft (11). In this way, the input shaft (10) is in continual connection with the sun gear (16) of the second planetary set (3) and the input shaft (10) is connectable to the sun gear (12) of the first planetary set (2) by means of the first clutch (8) and/or by means of the second clutch (9) is also connectable with the spider (15) of the first planetary set (2). Further, the sun gear (12) of the first planetary set (2) by means of the first brake (5) and or the spider (15) of the first planetary set (2) by means of the second brake (6) and/or the sun gear (20) of the third planetary set (4) by means of the third brake, are all connectable with the housing of the transmission.
Description
The present invention concerns a motor vehicle transmission capable of automatic shifting, with three spider mounted, planetary sets, three braking mechanisms, two couplings for six forward gear changes and one reverse gear change as well as one input drive shaft and one output drive shaft.
A planetary transmission of this nature has been made known by U.S. Pat. No. 4,070,927, wherein the number of the forward gears is respectively greater by one than the numbers of the frictional elements. At each gear change between the forward gears, one of the provided frictional elements is shifted in or out.
Thus, the purpose of the invention is to make available a new and improved transmission, which avoids the known faults and yet fulfills the above mentioned advantages. Further the purpose will include a desirable construction and arrangement of a start-up element as well as make possible a desirable design of the input and output of power.
In accord with the invention, this purpose will be achieved by a transmission for a motor vehicle with automatic shifting capabilities of the type mentioned in the introductory passages with the features of claim 1 above.
In accordance with the invention, this purpose will be achieved by a transmission for a motor vehicle with automatic shifting capabilities.
In this way, an automatically shiftable vehicle transmission is available, with six forward gears, and one reverse gear which, advantageously for motor vehicles, exhibits a very well adapted gear ratio with a high over-all range and favorable gear change stages, as well as a high start-up ratio in the forward direction. Further the fifth gear is a direct gear. A transmission of this nature is adaptable both for passenger vehicles and for commercial vehicles and characterizes itself by a modest cost of construction, that is, two clutches and three brakes, wherein, in the case of sequential shifting, double shift is avoided and thus, with any desired shifting within a group of gears, respectively only two shifting elements are changed.
The transmission in accord with the invention can be made in an advantageous manner in two versions, wherein these versions differ from one another by the varying connections within the individual planetary sets. In the first version, provision is made, that the power take-off shaft is continually connected to the spider of the third planetary gear set and with the internal gear of the first planetary set. Provision is further made, in that the spider of the first planetary set is continually connected to the internal gear of the second planetary set and the spider of the second planetary set is continually connected with the internal gear of the third planetary set.
The power input drive shaft and the power output drive shaft can, in this design, be coaxial with one another in opposite sides of the transmission housing as well as on the same side of the said transmission housing. Further, a placement of the power takeoff drive between the planetary sets and the clutches is possible.
In a development in accord with a second version: the power takeoff drive is continually in connection with the spider of the second planetary set and with the internal gear of first planetary set; the spider of the first planetary set is continually in connection with internal gear of the third planetary set 4, and the internal gear of the second planetary set is continually in connection with the spider of the third planetary set. A design of this kind is especially well adapted for a coaxial arrangement of power input and power take-off shafts.
A development of the invention proposes, that the first clutch be activated in the first and fifth gear, as well as the reverse gear, and that the second clutch is activated in the fourth, fifth and sixth gear.
The first brake is activated in the second and sixth gear, the second brake is available for the first and reverse gears and the third brake is activated in the first, second, third and fourth gear. In this way, the achievement is advantageously made, that each time, only one shifting element for each optional shift between the first and the fourth gear, between the third and firth gear and between the fourth and sixth gear is changed. Thus, when sequential shifting is carried out, double shifting is avoided.
Further goals, features, advantages, and application possibilities of the invention are made known from the following description of an embodiment example, which is more closely detailed by reference to the drawings. In this way, all described and/or illustrated features, of themselves, or in optional, advantageous combination, form the object of the invention, independently from their condensation in the claims and the inter-references of said claims.
The invention will now be described, by way of example, with reference to the accompanying drawings in which:
The internal gear 14 of the first planetary set 2 stands continually in connection with the spider 23 of the third planetary set 4 and, in turn, this spider 23 is continually in connection with the power output shaft 11. The following components can be braked against the transmission housing: the sun gear 12 of the first planetary set by means of the first brake 5, the spider 15 of the first planetary set 2 by means of the second brake 6, the internal gear 18 of the second planetary set 3 also by means of the second brake 6, and the sun gear 20 of the third planetary set 4 by means of the third brake 7.
The same components in different Figures or components with the same function are provided with the same reference numbers.
In a further development in accord with the second version of the invented transmission (FIG. 2), again with coaxial input and output drive shafts, respectively 10, 11, the planetary sets 2, 3, 4, the brakes 5, 6, 7 as well as the couplings 8 and 9, essentially, are arranged as before as was shown in FIG. 1. However, this second version differentiates itself from the first version by the means of the interconnection of the individual components.
Thus in this case, the sun gears 12 and 16 of the first and second planetary sets can likewise be connected with, or be in continual connection with the input drive shaft. The power output shaft 11, on the other hand, is in continual connection with the spider 19 of the second planetary set 3 and this, in turn, is in continual connection with the internal gear 14 of the first planetary set 2. The spider 15 of the first planetary set 2 is further continually connected with the internal gear 22 of the third planetary set 4 and the internal gear 18 of the second planetary set 3 is continually connected to the spider 23 of the third planetary set 4. The spider 15 as well as the internal gear 22 can be, in this way, by means of the brake 6, attached to the transmission housing, as can be the sun gear 20 by means of the brake 7.
The design of the transmission in accord with FIG. 3 , represents, essentially, the first version shown in FIG. 1. In this case, however, the alternative is, that the input drive 10 and the output drive 11 are provided on the same side of the transmission.
A further alternative arrangement of the transmission is shown in FIG. 4 , wherein the input power sequences through the transmission by means of the input drive 10 to the sun gear 16 and simultaneously through the clutches 8 and 9 to the sun gear 12 as well as to the spider 15 which connects to the internal gear 18. The output drive 11 is placed in the transmission between the planetary sets 2, 3, 4 and the clutches 8 and 9.
A development of the transmission arrangement based on the first version (FIG. 5), provides, that the input drive be made through a torque converter 24. The turbine wheel of the torque converter 24 is directly connectable with the sun gear 16 and the second planetary set 3, or is connectable by means of the clutches 8 and 9 with the first or second planetary set 2, 3.
A further alternative arrangement of the invented transmission is presented in FIG. 6 , showing an integrated start-up brake for a front-end, cross motor setup in a passenger car. The transmission in this case corresponds to a mirror image design of the first version of the transmission as shown in FIG. 1 , wherein, however, the input and output drive shaft 10 and 11 respectively, are placed on the same side. Additionally, between an internal combustion engine 25 and the input drive shaft 10 is found a torsion, vibration damper 26. The power output shaft 11 is, by means of an additional gear ratio stage and a different 27, connected to the drive wheels 28 and 29.
From FIGS. 7 , 8, 9, the examples of gear ratio series for the invented transmission in accord with FIG. 1 , it may be seen, that the gear ratio i in the first gear lies between 4.84 and 5.70, and the entire stage range φges lies between 6.32 and 7.34. The ratio i in the fifth gear is always 1.
forFor a transmission in accord with FIG. 2 , the two examples of gear ratio series (FIGS. 10 , 11), exhibit a ratio i in the first gear between 3.83 or 3.87 at an entire stage range φges of 0.484.88 to 5.06. The ratio i in the fifth gear shows likewise 1.00. The fifth gear is, in all ratio series, is designed advantageously as a direct gear.
From the flow diagram of shifting in accord with the presentation of FIG. 12 , it may be seen that in the case of sequential shifting, double shifting is avoided, since two neighboring gear stages always employ one switching element in common. From this flow diagram in FIG. 12 , one can also see, that in the case of any optional shifting between the first and fourth gears, as well as between the fourth and sixth gears, at any time, only switching element is activated. The shift position of a braked neutral is possible through the activation of the brakes B1 and B2, whereby a blockage of the output drive is made and a simultaneous, defined speed of rotation can be achieved in the transmission, possibly useful for a hill-holding function.
At the same time, free wheeling at each position of the transmission can be brought about, thus, for instance, between the shaft and the housing, or between two shafts, in order to divide one shaft into two. A neutral position can be effected by the closure of one shifting element and the opening of another, for instance, by closing the first brake 5, B1 and opening the second brake 6, B2 for a neutral position forwards.
Further, the input drive shaft 10 can be separated from the motor by a clutch element, whereby the clutch element, for instance, can be designed as a dry or wet start-up clutch, a magnetic powder clutch, a centrifugal, a hydrodynamic clutch or a similar clutch device. Further, the input drive shaft 10 can also be separated from the motor by means of a conversion element, wherein this may be designed as a hydrodynamic converter, as a differential converter, as a start-up retarder, as a hydrostatic transmission, or an electrical transmission or again as an electrodynamic clutch.
Further, the input drive shaft 10 can also be separated from the motor by a conversion element, wherein this could be designed as a hydrodynamic converter, as a differential converter, as a start-up retarder, as a hydrostatic transmission, as an electrical transmission or as an electro-mechanical transmission or the like. This means, that between the motor and the drive, an additional ratio stage with a constant or even a variable ratio which was equal to or greater than one.
Alternatively, a start-up element can also be placed behind the drive, so that the input shaft 10 is firmly bond with the clutch shaft of a motor. In such a case, the start-up is carried out by a shifting element of the transmission, for instance, by means of the second brake 6.
In addition a slip-free brake, for instance a hydraulic or electrical retarder or the like, can be placed on each shaft, preferably on the input shaft 10 or the output shaft 11.
Also a power takeoff shaft can be provided for the input power from additional components on each shaft, preferably, however, on the input shaft 10 and the output shaft 11.
The shifting elements themselves comprise powershift clutches or brakes, such as lamellar clutches, band brakes, conic clutches or the like.
The shifting elements can, however, be made of form-fit clutches or brakes, for instance dog clutches or synchronization.
Claims (33)
1. A transmission (1) for a motor vehicle having a capability of automatic shifting, the transmission ( 1 ) having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1) , a third planetary set (4) is on an exit side of the transmission (1) and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5); and
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein a sun gear (20) of the third planetary set (4) is freely rotatable with respect to the sun, the spider and the internal gears of the first and second planetary sets and is connectable solely with the transmission housing when the third brake (7) is engaged; and
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2) .
2. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the spider (15) of the first planetary set (2) is continually connected with the internal gear (22) of the third planetary set (4) and the internal gear (18) of the second planetary set (3) is continually connected to the spider (23) of the third planetary set (4).
3. The motor vehicle transmission with automatic shifting capability according to claim 1 wherein the first clutch (8) is activated in a third gear and in a fifth gear, as well as in a reverse gear.
4. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the second clutch (9) is activated in a fourth gear, in a fifth gear and in a sixth gear.
5. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the first break brake (5) is activated in a second gear and in a sixth gear.
6. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the second third brake (6) ( 7 ) is activated in a first gear, in a second gear, in a third gear and in a fourth gear.
7. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the second brake (6) is activated in a first gear and in a reverse gear.
8. A transmission (1) for a motor vehicle having a capability of automatic shifting, the transmission ( 1 ) having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1) , a third planetary set (4) is on an exit side of the transmission (1) , and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5);
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein a sun gear (20) of the third planetary set (4) is connectable with the transmission housing by the third brake (7);
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2), and
the spider (15) of the first planetary set (2) is fixedly connected with an internal gear (22) of the third planetary set (4) and an internal gear (18) of the second planetary set (3) is fixedly connected to a spider (23) of the third planetary set (4).
9. The motor vehicle transmission with automatic shifting capability according to claim 8 , wherein the first clutch (8) is activated in a third gear and in a fifth gear, as well as in a reverse gear.
10. The motor vehicle transmission with automatic shifting capability according to claim 8 , wherein the second clutch (9) is activated in a fourth gear, in a fifth gear and in a sixth gear.
11. The motor vehicle transmission with automatic shifting capability according to claim 8 , wherein the first break brake (5) is activated in a second gear and in a sixth gear.
12. The motor vehicle transmission with automatic shifting capability according to claim 8 , wherein the second third brake (6) ( 7 ) is activated in a first gear, in a second gear, in a third gear and in a fourth gear.
13. The motor vehicle transmission with automatic shifting capability according to claim 8 , wherein the second brake (6) is activated in a first gear and in a reverse gear.
14. A transmission (1) for a motor vehicle having a capability of automatic shifting, the transmission having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1), a third planetary set (4) is on an exit side of the transmission (1) and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5);
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein a sun gear (20) of the third planetary set (4) is connectable with the transmission housing by the third brake (7);
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2), and
a first clutch (8) is activated in a third gear, in a fifth gear and in a reverse gear.
15. The motor vehicle transmission with automatic shifting capability according to claim 14 , wherein the second clutch (9) is activated in a fourth gear, in a fifth gear and in a sixth gear.
16. The motor vehicle transmission with automatic shifting capability according to claim 14 , wherein the first break (5) is activated in a second gear and in a sixth gear.
17. The motor vehicle transmission with automatic shifting capability according to claim 14 , wherein the second brake (6) is activated in a first gear, in a second gear, in a third gear and in a fourth gear.
18. The motor vehicle transmission with automatic shifting capability according to claim 14 , wherein the second brake (6) is activated in a first gear and in a reverse gear.
19. A transmission (1) for a motor vehicle having a capability of automatic shifting, the transmission having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1), a third planetary set (4) is on an exit side of the transmission (1) and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5);
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein a sun gear (20) of the third planetary set (4) is connectable with the transmission housing by the third brake (7);
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2), and
the second clutch (9) is activated in a fourth gear, in a fifth gear and in a sixth gear.
20. A transmission (1) for a motor vehicle having a capability of automatic shifting, the spider having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1), a third planetary set (4) is on an exit side of the transmission (1) and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5);
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein the sun gear (20) of the third planetary set (4) is connectable with the transmission housing by the third brake (7);
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2), and
the first brake (5) is activated in a second gear and in a sixth gear.
21. A transmission (1) for a motor vehicle having a capability of automatic shifting, the transmission having three spider planetary sets (2, 3, 4) in which a first planetary set (2) is on an entry side of the transmission (1), a third planetary set (4) is on an exit side of the transmission (1) and a second planetary set (3) is located between the first planetary set (2) and the third planetary set (4), the transmission (1) possessing first, second and third brakes (5, 6, 7) and first and second clutches (8, 9) for the shifting of six forward gears and one reverse gear, and having one input shaft (10) and one output shaft (11) with the following combinations:
the input shaft (10) is connected directly with a sun gear (16) of the second planetary set (3);
the input shaft (10) is connectable by the first clutch (8) with a sun gear (12) of the first planetary set (2) and connectable with a spider (15) of the first planetary set (2) by the second clutch (9);
the sun gear (12) of the first planetary set (2) is connectable with a housing of the transmission (1) by the first brake (5);
the spider (15) of the first planetary set (2) is connectable with the housing of the transmission by the second brake (6);
wherein a sun gear (20) of the third planetary set (4) is connectable with the transmission housing by the third brake (7);
the output shaft (11) is fixedly connected with a spider (19) of the second planetary set (3) and is fixedly connected with an internal gear (14) of the first planetary set (2), and
the third brake (7) is activated in a first gear, in a second gear, in a third gear and in a fourth gear.
22. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the input shaft ( 10 ) and the output shaft ( 11 ) are both located on the same side of the transmission.
23. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the input shaft ( 10 ) supplies drive input:
to the sun gear ( 16 ) of the second planetary set ( 3 );
to the sun gear ( 12 ) of the first planetary set ( 2 ) via the first clutch ( 8 ); and
to the spider ( 15 ) of the first planetary set ( 2 ) which is connected to the internal gear ( 18 ) of the second planetary set ( 3 ) via the second clutch ( 9 ); and
an output of the output shaft ( 11 ) is located between the first, second and third planetary sets ( 2, 3 and 4 ) and the first and second clutches ( 8 and 9 ).
24. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the input shaft ( 10 ) includes a torque converter ( 24 ) and a turbine wheel of the torque converter ( 24 ) is connected directly with the sun gear ( 16 ) of the second planetary set ( 3 ).
25. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein a vibration damper ( 26 ) is located between the input shaft ( 10 ) an internal combustion engine ( 25 ).
26. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein the input shaft ( 10 ) and the output shaft ( 11 ) are both located on the same side of the transmission; and
a vibration damper ( 26 ) is located between the input shaft ( 10 ) an internal combustion engine ( 25 ).
27. The motor vehicle transmission with automatic shifting capability according to claim 1 , wherein drive is supplied by the output shaft ( 11 ) to the drive wheels ( 28 and 29 ) by an additional gear ratio stage and a differential ( 27 ).
28. A transmission ( 1 ) for a motor vehicle having a capability of automatic shifting, the transmission having first, second and third spider planetary sets ( 2, 3, 4 ) in which a second planetary set ( 3 ) is located between a first planetary set ( 2 ) and a third planetary set ( 4 ), the transmission ( 1 ) possessing first, second and third brakes ( 5, 6, 7 ) and first and second clutches ( 8, 9 ) for shifting of six forward gears and a reverse gear, and having an input shaft ( 10 ) and an output shaft ( 11 ) with the following combinations:
the input shaft ( 10 ) is connected directly with a sun gear ( 16 ) of the second planetary set ( 3 );
the input shaft ( 10 ) is connectable by the first clutch ( 8 ) with a sun gear ( 12 ) of the first planetary set ( 2 ) and connectable with a spider ( 15 ) of the first planetary set ( 2 ) by the second clutch ( 9 );
the sun gear ( 12 ) of the first planetary set ( 2 ) is connectable with a housing of the transmission ( 1 ) by the first brake ( 5 );
the spider ( 15 ) of the first planetary set ( 2 ) is connectable with the housing of the transmission ( 1 ) by the second brake ( 6 );
wherein a sun gear ( 20 ) of the third planetary set ( 4 ) is connectable with the housing of the transmission ( 1 ) by the third brake ( 7 );
the output shaft ( 11 ) is fixedly connected with a spider ( 23 ) of the third planetary set ( 4 ) and with an internal gear ( 14 ) of the first planetary set ( 2 );
the spider ( 15 ) of the first planetary set ( 2 ) is fixedly connected to an internal gear ( 18 ) of the second planetary set ( 3 ); and
a spider ( 19 ) of the second planetary set ( 3 ) is fixedly connected to an internal gear ( 22 ) of the third planetary set ( 4 ).
29. The motor vehicle transmission with automatic shifting capability according to claim 28 , wherein the first clutch ( 8 ) is activated in a third gear and in a fifth gear, as well as in a reverse gear.
30. The motor vehicle transmission with automatic shifting capability according to claim 28 , wherein the second clutch ( 9 ) is activated in a fourth gear, in a fifth gear and in a sixth gear.
31. The motor vehicle transmission with automatic shifting capability according to claim 28 , wherein the first brake ( 5 ) is activated in a second gear and in a sixth gear.
32. The motor vehicle transmission with automatic shifting capability according to claim 28 , wherein the third brake ( 7 ) is activated in a first gear, in a second gear, in a third gear and in a fourth gear.
33. The motor vehicle transmission with automatic shifting capability according to claim 28 , wherein the second brake ( 6 ) is activated in a first gear and in a reverse gear.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19912480A DE19912480B4 (en) | 1999-03-22 | 1999-03-22 | Automatically switchable motor vehicle transmission |
PCT/EP2000/002337 WO2000057082A1 (en) | 1999-03-22 | 2000-03-16 | Automatic transmission for motor vehicles |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/936,477 Reissue US6572507B1 (en) | 1999-03-22 | 2000-03-16 | Automatic transmission for motor vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE39960E1 true USRE39960E1 (en) | 2007-12-25 |
Family
ID=7901691
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/782,749 Expired - Lifetime USRE39960E1 (en) | 1999-03-22 | 2000-03-16 | Automatic transmission for motor vehicles |
US09/936,477 Ceased US6572507B1 (en) | 1999-03-22 | 2000-03-16 | Automatic transmission for motor vehicles |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/936,477 Ceased US6572507B1 (en) | 1999-03-22 | 2000-03-16 | Automatic transmission for motor vehicles |
Country Status (5)
Country | Link |
---|---|
US (2) | USRE39960E1 (en) |
EP (1) | EP1163460B1 (en) |
DE (2) | DE19912480B4 (en) |
ES (1) | ES2179025T3 (en) |
WO (1) | WO2000057082A1 (en) |
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DE10250374A1 (en) | 2001-10-30 | 2003-06-18 | Toyota Motor Co Ltd | automatic transmission |
US20030083174A1 (en) | 2001-10-30 | 2003-05-01 | Toyota Jidosha Kabushiki Kaisha | Automatic transmission |
US20030119623A1 (en) | 2001-11-15 | 2003-06-26 | Stevenson Paul D. | Transmission |
DE10162888A1 (en) | 2001-12-20 | 2003-07-10 | Zahnradfabrik Friedrichshafen | Multi-stage transmission has drive shaft directly connected to input stage presetting element |
DE10162883A1 (en) | 2001-12-20 | 2003-07-10 | Zahnradfabrik Friedrichshafen | Multi-stage transmission has sunwheel of one planetary set fixed to housing and drive from shaft permanently connected to sunwheel of another planetary set |
DE10162877A1 (en) | 2001-12-20 | 2003-07-24 | Zahnradfabrik Friedrichshafen | Multi-step automatic planetary reduction gearbox for a motor vehicle has drive and driven shafts, single-link planet sets, a device to preset feed transmission, rotary shafts and gearshift devices. |
US20030162625A1 (en) | 2002-02-25 | 2003-08-28 | Madhusudan Raghavan | Family of multi-speed transmission mechanisms having three planetary gear sets and six torque-transmitting devices |
US6773370B2 (en) * | 2002-12-16 | 2004-08-10 | General Motors Corporation | Seven-speed planetary transmission |
Also Published As
Publication number | Publication date |
---|---|
DE19912480A1 (en) | 2000-09-28 |
DE19912480B4 (en) | 2006-03-16 |
EP1163460A1 (en) | 2001-12-19 |
WO2000057082A1 (en) | 2000-09-28 |
ES2179025T3 (en) | 2003-01-16 |
US6572507B1 (en) | 2003-06-03 |
EP1163460B1 (en) | 2002-07-17 |
DE50000290D1 (en) | 2002-08-22 |
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