Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • 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
• • 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
  • F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
• • 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
  • F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
• • 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
  • F16H2200/0069—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising ten forward speeds
• • 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
  • F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
• • 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
  • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
• • 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
  • F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing

Definitions

• the invention solves the tasks also in a motor vehicle, in particular in a passenger or truck with a transmission according to one of claims 1 to 7.
• a torque or a rotational movement of a drive shaft is preferably introduced into the transmission via the drive shaft.
• a retraction element such as a hydrodynamic torque converter or a fluid coupling.
• the various components and elements of said invention can be connected to one another via a shaft or a connecting element, but also directly, for example by means of a welding, pressing or other connection.
• a switching element to understand which, depending on the operating state, a relative movement between two components permits or represents a connection for transmitting torque.
• a relative movement for example, to understand a rotation of two components, wherein the rotational speed of the first component and the rotational speed of the second component differ from each other.
• the rotation of only one of the two components is conceivable, while the other component is stationary or rotating in the opposite direction.
• a non-actuated brake is understood to mean an opened brake.
• the rotating component is freely rotatable, i.e., the brake preferably does not influence the rotational speed of the rotating component.
• the brake is applied or closed, the rotational speed of the rotatable component is reduced to a standstill, that is, a firm connection can be established between the rotatable element and the stationary element. Element and component are to be equated in this context.
• the toothing of the inner planet gears meshes on the one hand with the toothing of the sun gear and on the other hand with the teeth of the outer planetary gears.
• the toothing of the outer planetary gears also meshes with the teeth of the ring gear.
• the switching elements are selectively, ie individually and as needed operable, whereby different gears can be realized by different ratios between the drive shaft and the output shaft.
• the higher the number of gears the finer a gear ratio can be realized at a large transmission spread and thus, for example, an internal combustion engine of a motor vehicle in an optimal speed range and thus be operated as economically as possible.
• this contributes to an increase in ride comfort, since the internal combustion engine is preferably operable at a low speed level. For example, noise emissions resulting from the operation of the internal combustion engine are also reduced.
• front-transverse arrangement is to be understood as an arrangement in which the drive shaft, for example an internal combustion engine, is installed transversely to a direction of travel in a motor vehicle and preferably the wheels of a front axle can be driven by the drive shaft or the transmission
• the switching elements can be designed such that for a change of a Switching state of the switching elements energy, but not for maintaining the switching state itself is needed.
• switching elements are particularly well preferably arranged so that they are easily accessible from the outside.
• Well accessible from the outside means in the sense of the switching elements, the intermediate housing of the transmission and the switching element no further components are arranged, or that the switching elements are particularly preferably arranged on the drive shaft or on the output shaft.
• bondability is preferably to be understood in the description, in particular in the claims that at different geometric Position the same connection or binding of interfaces is ensured without intersecting individual fasteners or waves.
• stand translation is that translation to understand that is realized by the ratio between the sun and ring gear of each planetary gear set when the planet carrier respectively web is fixed.
• the drive shaft via the first clutch to the sun gear of the second planetary gear set is connectable or the planet carrier of the first planetary gear set via the first clutch to the ring gear of the second planetary gear set or the planet carrier of the second planetary gear set is via the first clutch to the ring gear of the third planetary gear set connectable or the sun gear of the third planetary gear set is connectable via the first clutch to the planet carrier of the fourth planetary gear set and to the ring gear of the first planetary gear set or the planet carrier of the third planetary gear set is connectable via the first clutch to the output shaft.
• six switching elements are arranged, wherein either three clutches and three brakes or four clutches and two brakes are arranged. This allows sufficient flexibility of the transmission in terms the coupling of various elements of the transmission to represent different gear ratios.
• the sun gear of the fourth planetary gear set is connectable to the housing via the third brake and the planet carrier of the fourth planetary gear set is connected to the ring gear of the first planetary gear set and the ring gear of the fourth planetary gear set is connected to the output shaft.
• This allows on the one hand a central fixing of the fourth planetary gear set via the third brake with the housing as needed and a connection of the output shaft via the fourth planetary with the first planetary gear, which further increases the flexibility of the transmission with respect to the representation of different gear ratios.
• the sun gear of the fourth planetary gear set is connected to the housing and the ring gear of the first planetary gear set is connectable via the fourth clutch to the planet carrier of the fourth planetary gear set and the ring gear of the fourth planetary gear set is connected to the output shaft.
• This allows for a central fixing of the fourth planetary gear set via the sun gear to the housing.
• the first planetary gear set can be coupled in an extremely flexible manner with the fourth planetary gear set or further with the output shaft.
• FIG. 1 shows a transmission according to a first embodiment of the present invention
• FIG. 2 shows a shift matrix for a transmission according to the first embodiment of the present invention
• 4 shows a transmission according to a third embodiment of the present invention
• 5 shows a transmission according to a fourth embodiment of the present invention
• FIG. 10 shows a transmission according to a ninth embodiment of the present invention.
• Fig. 1 1 shows a transmission according to a tenth embodiment of the present invention
• FIG. 12 shows a transmission according to an eleventh embodiment of the present invention
• FIG. 15 shows a transmission according to a fourteenth embodiment of the present invention
• FIG. Fig. 1 6 shows a transmission according to a fifteenth embodiment of the present invention
• Fig. 17 shows a transmission according to a sixteenth embodiment of the present invention as well
• Fig. 18 shows a transmission according to a seventeenth embodiment of the present invention.
• Fig. 1 shows a transmission according to a first embodiment of the present invention.
• reference numeral 1 denotes a multi-stage transmission.
• the multistage transmission 1 has six shift elements in the form of three clutches K1, K2, K3 and three brakes B1, B2, B3.
• the drive side can be coupled or connected to the output side of the transmission 1 for transmitting power and torques.
• the first clutch K1, the second clutch K2 and the third clutch K3 are connected to the drive shaft ANW on the drive side.
• the first clutch K1 is further connected to a first shaft W1, so that the clutch, when actuated, transmits power and torque from the drive shaft ANW to the first shaft W1.
• the second clutch K2 When the second clutch K2 is closed, power is transmitted from the drive shaft ANW to the second shaft W2, and when the third clutch K3 is closed, power and torque are transmitted from the drive shaft ANW to the third shaft W3.
• the transmission 1 further four planetary gear sets GP1, GP2, GP3 and GP4 and six waves W1, W2, W3, W4, W5 and W6 are arranged.
• the general structure of the first planetary gearset GP1, the second planetary gearset GP2, the third planetary gearset GP3 and the fourth planetary gearset GP4 will now be described in the following.
• the aforementioned planetary gear sets GP1, GP2, GP3 and GP4 are constructed in the usual way and each have a central sun gear 101, 102, 103, 104, which with a planet 1 1 1, 1 12, 1 13, 1 14 cooperates to transmit power and torques.
• the planet 1 1 1, 1 12, 1 13, 1 14 is rotatably mounted on a web / planet carrier 121, 122, 123, 124.
• a ring gear 131, 132, 133, 134 is arranged, in which the respective planet 1 1 1, 1 12, 1 13, 1 14 for the transmission of Force and torque engages.
• the web or planet carrier 121, 122, 123, 124 is further connected to a respective shaft.
• the individual reference numerals for sun gear, planet, planet carrier / web and ring gear can be seen in Fig. 1. For clarity, the reference numerals have been omitted in the other figures.
• the first shaft W1 connects the first clutch K1 and the sun gear 102 of the second planetary gear set GP2 for transmitting power and torques.
• the second shaft W2 connects the second clutch K2 to the ring gear 132 of the second planetary gearset GP2 and to the bridge 121 of the first planetary gearset GP1. This can be coupled to the housing G by means of the second brake B2 and the second shaft W2.
• the third shaft W3 connects the third clutch K3 with the sun gear 101 of the first planetary gear set GP1.
• the fourth shaft W4 connects the web 122 of the second planetary gear set GP2 with the ring gear 133 of the third planetary gear set GP3.
• the fifth shaft W5 connects the ring gear 131 of the first planetary gear set GP1 with the sun gear 103 of the third planetary gear set GP3 and with the web 124 of the fourth planetary gear set GP4.
• the sixth shaft W6 allows the sun gear 104 of the fourth planetary gear set GP4 to be connected to the housing G by means of a third brake B3.
• the third shaft W3 can be coupled to the housing G via the first brake B1.
• the output shaft AW is connected to the web 123 of the third planetary gear set GP3 and to the ring gear 134 of the fourth planetary gear set GP4.
• FIG. 2 shows a shift matrix for a transmission according to the first embodiment of the present invention.
• FIG. 2 shows a switching matrix for a transmission 1 according to FIG. 1.
• downwards are first the nine forward gear stages, designated by the reference symbols V1 to V9, and a reverse gear stage, designated by R.
• an additional illustration of a forward gear stage is shown, designated by the reference character VZ.
• Horizontal the respective switching elements are shown, wherein first the three brakes B1, B2, B3 and then the three clutches K1, K2 and K3 are shown.
• the respective gear ratio / ratio i and the corresponding gear jump / step ⁇ between two successive gears / ratios is shown.
• the respective gear jump is shown in the switching matrix between each two adjacent gears / gears.
• the additional representation of the further forward gear VZ only the translation is specified.
• the entries released in the switching matrix that is to say, for example, in the forward gear stage V1 in the first brake B1, in the third brake B3 and in the second clutch K2, indicate that the corresponding switching element or the brake or the clutch is open, i. that the switching element in this case transmits no forces or no torque from the connected to the switching element or connected to this respective shafts or elements of the transmission.
• An entry in the switching matrix provided with a cross designates a correspondingly actuated or closed switching element, that is to say in the switching matrix, for example in the forward gear stage V1 in the case of the brake B2 and the clutches K1 and K3. Unless otherwise described, the switching elements B1, B2, K1, K2, K3, K4 are open.
• the gear ratio i is 5.831.
• the gear ratio i is 3.834.
• the gear ratio i is 1, 474.
• the gear ratio i is 1, 131.
• the gear ratio i is 0.601.
• the gear ratio i is -2.945.
• the brake B1 and the clutches K1, K2 are closed.
• the gear ratio i is 0.918.
• the gear gap ⁇ between the first forward gear V1 and the second forward gear V2 is 1, 521, between the second forward gear V2 and the third forward gear V3 1, 356th
• the gear gap ⁇ between the third forward speed V3 and the fourth forward speed V4 is 1, 468, between the fourth forward speed V4 and the fifth forward speed V5 1, 306.
• the gear gap ⁇ between the fifth forward speed V5 and the sixth forward speed V6 is 1, 304, between the sixth forward speed V6 and the seventh forward speed V7 1, 131.
• the gear jump ⁇ between the seventh forward speed V7 and the eighth forward speed V8 is 1, 325, between the eighth forward speed V8 and the ninth forward speed V9 1, 256.
• the total jump is 9.703.
• Fig. 3 shows a transmission according to a second embodiment of the present invention.
• FIG. 3 a transmission 1 according to FIG. 1 is shown.
• four positions A, B, C and D for the first clutch K1 can be seen, in which the first clutch K1 can be arranged to have the same effect as the position according to FIG.
• the first alternative position A for the first clutch K1 is located between the ring gear of the second planetary gear GP2, the clutch K2 and the web 121 of the first planetary gearset GP1 on the second shaft W2.
• the second alternative position B for the first clutch K1 is located between the web 122 of the second planetary gear set GP2 and the ring gear 133 of the third planetary gear set GP3 on the fourth shaft W4.
• the third alternative position C for the first clutch K1 is located between the sun gear 103 of the third planetary gear set GP3 and the portion of the fifth shaft W5 which connects the land 124 of the fourth planetary gear set GP4 and the ring gear 131 of the first planetary gear set GP1.
• the fourth alternative position D for the first clutch K1 is located between the web 123 of the third planetary GP3 and the portion of the output shaft AW, which connects the ring gear 134 of the fourth planetary GP4 with the output shaft AW.
• FIG. 4 shows two alternative positions E, F for the third brake B3, in which the third brake B3 can be arranged to have the same effect as the position according to FIG.
• the first alternative position E for the third brake B3 is located between the bridge 124 of the fourth planetary gear set GP4 and the section of the fifth wave W5, which connects the sun gear 103 of the third planetary gear set GP3 and the ring gear 131 of the first planetary gear set GP1.
• the second alternative position F for the third brake B3 is located between the ring gear 134 of the fourth planetary gear set GP4 and the portion of the output shaft AW, which connects the web 123 of the third planetary GP3 with the output shaft AW.
• the sun gear 102 of the second planetary GP2 is directly connected to the drive shaft ANW.
• the third brake B3 acts, when it is located at the alternative positions E and F, in the sense of a (fourth) clutch, since the third brake B3 no longer interacts directly with the housing G.
• the name as a third brake is still maintained in the other figures.
• Fig. 5 shows a transmission according to a fourth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 now denoted by reference symbol K1 ', is arranged at the first alternative position A according to FIG.
• the first clutch K1 ' is on the second shaft W2 on the one hand between the portion of the second shaft W2, which the
• Bridge 121 of the first planetary gear set GP1 connects to the second brake B2 and the ring gear 132 of the second planetary GP2 arranged and on the other hand via the second clutch K2 and the second shaft W2 with the drive shaft AW can be coupled.
• the sun gear 102 of the second planetary GP2 is directly connected to the drive shaft ANW.
• Fig. 6 shows a transmission according to a fifth embodiment of the present invention.
• FIG. 6 essentially shows a transmission 1 according to FIG. 1.
• the first clutch K1 now denoted by reference symbol K1 ", on the second alternative
• Position B arranged in FIG. 3.
• the first clutch K1 "is now on the fourth Shaft W4 between the web 122 of the second planetary GP2 and the ring gear 133 of the third planetary GP3 arranged, ie involved in the force and torque flux between the web 122 of the second planetary GP2 and the ring gear 133 of the third planetary GP3.
• the first wave W1 is omitted.
• Fig. 7 shows a transmission according to a sixth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially. 1, in the case of the transmission 1 according to FIG. 7, the first clutch K1, here denoted by reference symbol K1 "', is arranged at the third alternative position C according to FIG the sun gear 103 of the third planetary gear set GP3 with the portion of the fifth shaft W5, which connects the web 124 of the fourth planetary gear set GP4 with the ring gear 131 of the first planetary gear set GP1.
• the first wave W1 is omitted.
• Fig. 8 shows a transmission according to a seventh embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 here denoted by reference symbol K1 ""
• the first clutch K1 "" is thus between the web 123 of the third planetary GP3 and the portion of the output shaft AW, which connects the ring gear 134 of the fourth planetary gear set GP4 with the output shaft AW arranged.
• the first wave W1 is omitted.
• Fig. 9 shows a transmission according to an eighth embodiment of the present invention.
• FIG. 9 essentially shows a transmission 1 according to FIG. 1.
• the transmission 1 according to FIG. 9 is the third one Brake B3, designated here by reference symbol B3 ', is now arranged at the first alternative position E according to FIG. 4.
• the third brake B3 ' is thus disposed between the land 124 of the fourth planetary gear set GP4 and the portion of the fifth shaft W5 connecting the sun gear 103 of the third planetary gear set GP3 and the ring gear 131 of the first planetary gear set GP1.
• the sun gear 104 of the fourth planetary gear set GP4 is now firmly connected to the housing G.
• FIG. 10 shows a transmission according to a ninth embodiment of the present invention.
• FIG. 10 essentially shows a transmission 1 according to FIG. 1.
• the first clutch K1 designated here by reference symbol K1 '
• the third brake B3 is arranged at the first alternative position E according to FIG. 4 or according to FIG. 9, designated here by reference symbol B3 '.
• the first wave W1 is omitted.
• Fig. 11 shows a transmission according to a tenth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 designated here by reference symbol K1 "
• the third brake B3 designated here by reference symbol B3 '
• the first wave W1 is omitted.
• Fig. 12 shows a transmission according to an eleventh embodiment of the present invention.
• FIG. 12 essentially shows a transmission 1 according to FIG. 1.
• the transmission 1 according to FIG. 12 is the first
• Clutch K1 here denoted by reference K1 "', at the third alternative Position C according to FIG. 3 or according to FIG. 7 and the third brake B3, designated here by reference symbol B3 ", is arranged at the first alternative position E according to FIG. 4 or according to FIG. 9.
• the first shaft W1 is omitted .
• Fig. 13 shows a transmission according to a twelfth embodiment of the present invention.
• FIG. 13 essentially shows a transmission 1 according to FIG. 1.
• the first clutch K1 designated here by reference symbol K1 ""
• the fourth alternative position D according to FIG. 3 or according to FIG. 8 and the third brake B3, designated here by reference symbol B3 ⁇ is arranged at the first alternative position E according to FIG. 4 or according to FIG. 9.
• the first wave W1 is omitted.
• Fig. 14 shows a transmission according to a thirteenth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the third brake B3 here designated by reference symbol B3 ", is arranged at the second alternative position F according to Fig. 4.
• the third brake B3 is thus between the ring gear 104 of the fourth planetary gear set GP4 and the portion of the output shaft AW, which is connected to the web 123 of the third planetary gear set GP3 arranged.
• Fig. 15 shows a transmission according to a fourteenth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 designated here by reference symbol K1 '
• the third brake B3 designated here by reference symbol B3 "
• Fig. 4 and FIG. 14 arranged.
• the first wave W1 is omitted.
• Fig. 1 shows a transmission according to a fifteenth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 designated here by reference symbol K1 "
• the third one Brake B3 designated here by reference symbol B3 "
• the first wave W1 is omitted.
• Fig. 17 shows a transmission according to a sixteenth embodiment of the present invention.
• a transmission 1 according to FIG. 1 is shown substantially.
• the first clutch K1 here denoted by reference symbol K1 "'
• K1 the first clutch K1
• the third alternative position C according to FIG. 3 or according to FIG. 7
• the third one Brake B3 designated here by reference symbol B3 "
• the first wave W1 is omitted.
• Fig. 18 shows a transmission according to a seventeenth embodiment of the present invention.
• FIG. 18 essentially shows a transmission 1 according to FIG. 1.
• the first clutch K1 designated here by reference symbol K1 "
• the fourth alternative position D is arranged at the fourth alternative position D according to FIG. 3 or according to FIG. 8
• the third one Brake B3, designated here by reference symbol B3 " is arranged at the second alternative position F according to FIG. 4 or according to FIG. 14.
• the transmission 1 comprises four planetary gear sets GP1, GP2, GP3, GP4, six switching elements B1, B2, B3, K1, K2, K3, wherein the
• Switching elements in the form of at least three clutches and at least two brake sen are formed. Furthermore, a maximum of a fixed housing coupling is available. Finally, two switching elements to be switched at the same time are arranged.
• a hydrodynamic torque converter As a starting element for the transmission 1, a hydrodynamic torque converter, a hydrodynamic clutch, an additional starting clutch, an integrated starting clutch or brake and / or an additional electric machine can be arranged. On each of the eight shafts W1 to W6, an electric machine or other power / power source can be arranged. Moreover, on each of the shafts W1 to W6 or each link, a freewheel may be arranged to the housing G or to another shaft W1, W2, W3, W4, W5, W6.
• the transmission 1 can preferably be installed in standard drive construction or in front / transverse design in a motor vehicle. As switching elements frictional and / or positive switching elements are possible.
• the second brake B2 and the first clutch K1 can be designed as a form-fitting, in particular as claw switching elements, which leads to significant fuel consumption advantages of a provided with the transmission motor vehicle with internal combustion engine.
• the transmission offers a total of at least nine forward gears and at least one reverse gear.
• the present invention has the advantage that a low construction cost for the transmission is required, which results in lower manufacturing costs and lower weight of the transmission. Furthermore, the transmission offers a good gear ratio, low absolute and relative speeds as well as low planetary gearset and shift element torques. In addition, the present invention provides good gearing efficiencies and a very good accessibility of all switching elements, in particular for their maintenance.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Structure Of Transmissions (AREA)

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• 2013
  • 2013-03-27 DE DE102013205380.0A patent/DE102013205380A1/de not_active Withdrawn
• 2014
  • 2014-02-25 CN CN201480018123.6A patent/CN105051420A/zh active Pending
  • 2014-02-25 WO PCT/EP2014/053590 patent/WO2014154418A1/de active Application Filing
  • 2014-02-25 US US14/780,730 patent/US20160040756A1/en not_active Abandoned
  • 2014-02-25 JP JP2016504532A patent/JP2016517934A/ja active Pending
  • 2014-02-25 EP EP14708513.8A patent/EP2979006A1/de not_active Withdrawn

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