EP3175143A1 - Kraftfahrzeuggetriebe - Google Patents
KraftfahrzeuggetriebeInfo
- Publication number
- EP3175143A1 EP3175143A1 EP15734645.3A EP15734645A EP3175143A1 EP 3175143 A1 EP3175143 A1 EP 3175143A1 EP 15734645 A EP15734645 A EP 15734645A EP 3175143 A1 EP3175143 A1 EP 3175143A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- planetary gear
- gear set
- web
- switching element
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
-
- 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
- F16H3/64—Gearings having three or more central gears composed of a number of gear trains, the drive always passing through all the trains, each train having not more than one connection for driving another train
-
- 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
- F16H2003/442—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion comprising two or more sets of orbital gears arranged in a single plane
-
- 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
- F16H2200/0073—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eleven 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
- F16H2200/0078—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratio comprising twelve or more 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
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two 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
- F16H2200/2002—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
-
- 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
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2017—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with six 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
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three 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
- 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
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2053—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with nine 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 relates to a motor vehicle transmission.
- dual-clutch transmissions are increasingly being used as transmissions.
- circuits can be performed without interruption of traction.
- Dual-clutch transmissions are, however, characterized by larger dimensions, a higher weight and higher acquisition costs.
- the motor vehicle transmission according to the invention has a housing and a main transmission.
- the main transmission has at least one drive-side shaft and a driven-side shaft; a first planetary gear set with a sun gear, a bridge, a gear mounted on the bridge and a ring gear; via a second planetary gear set with a sun gear permanently coupled to the drive-side shaft, a web permanently coupled to the output-side shaft, a planet gear mounted on the web and a ring gear; a third planetary gear set having a sun gear, a land, a planetary gear supported on the land, and a ring gear; and a fourth planetary gear set having a sun gear, a land, a planetary gear supported on the land, and a ring gear; wherein the web of the second planetary gear set is permanently coupled to the web of the fourth planetary gear set; wherein the ring gear of the second
- the main gearbox has a compact design and high efficiency. It can be provided a high number of gears with almost geometric grading.
- the motor vehicle transmission according to the invention can handle a small number of planetary gear stages or planetary gearsets and shifting elements. Only a small number of switching elements are open per gear.
- the motor vehicle transmission comprises a fifth switching element and a sixth switching element, wherein the fifth switching element either between the web of the third planetary gear set and the ring gear of the fourth planetary or between the sun gear of the fourth planetary gear set and on the one hand the fourth switching element and on the other hand, the third switching element is switched, and wherein the sixth switching element is connected either between the sun gear of the first planetary gear set and the housing or between the web of the first planetary gear set and the web of the third planetary gear set or between the ring gear of the first planetary gear set and the fourth switching element and further the third switching element.
- This development of the invention is preferred for providing nine forward gears and one reverse gear with four planetary gear sets and six shifting elements. Each gear three switching elements are open.
- the first planetary gear set is positioned adjacent to a drive-side end of the main transmission; wherein the second planetary gear set is positioned adjacent to a driven-side end of the main transmission; wherein the third planetary gear set is positioned between the first planetary gear set and the second planetary gear set adjacent to the first planetary gear set; and wherein the fourth planetary gear set is positioned between the first planetary gear set and the second planetary gear set adjacent to the second planetary gear set.
- a particularly compact design for the motor vehicle transmission can be provided.
- the second and third switching element of the main transmission form-locking switching elements, wherein the remaining switching elements of the main gear are frictional switching elements.
- drag torques can be reduced.
- the efficiency of the transmission can be increased.
- a drive-side shaft of the main transmission downstream Nachschaltgetriebes wherein the secondary transmission a fifth planetary gear with a sun gear, a web, mounted on the web planet and a ring gear and a sixth planetary gear with a sun gear , a web, a gear mounted on the web and a ring gear.
- a group transmission which comprises the main transmission and the secondary transmission, is particularly suitable for use in trucks. With such a group transmission up to eighteen forward gears and nine reverse gears can be realized. In order to realize a suitable gear gradation, preferably four gears are used in the so-called low gear stage of the rear-mounted group and four gears in the so-called high gear stage, so that then eleven forward gears and seven reverse gears are provided.
- the sun gear of the fifth planetary gear set is permanently coupled to the drive-side shaft of the Nachschaltgetriebes and thus to the output-side shaft of the main transmission; wherein the web of the sixth planetary gear set is permanently coupled to an output-side shaft of the Nachschaltgetriebes; wherein the ring gear of the fifth planetary gear set is permanently coupled to the sun gear of the sixth planetary gear set; and wherein the bridge of the fifth planetary gear set is permanently coupled to the ring gear of the sixth planetary gear set.
- This is particularly advantageous for providing the group transmission.
- Fig. 1 is a diagram of a first motor vehicle transmission according to the invention
- FIG. 2 shows a switching matrix for the motor vehicle transmission of FIG. 1;
- FIG. 3 shows a further switching matrix for the motor vehicle transmission of FIG. 1;
- FIG. 4 is a diagram of a second motor vehicle transmission according to the invention.
- FIG. 5 shows a switching matrix for the motor vehicle transmission of FIG. 4;
- Fig. 6 is a diagram of a third motor vehicle transmission according to the invention.
- FIG. 7 is a diagram of a fourth motor vehicle transmission according to the invention.
- Fig. 10 is a diagram of a seventh automotive transmission according to the invention.
- Fig. 11 is a diagram of another motor vehicle transmission according to the invention.
- the present invention relates to a motor vehicle transmission.
- FIG. 1 shows a first exemplary embodiment of a motor vehicle transmission 1 according to the invention.
- the motor vehicle transmission 1 shown in FIG. 1 comprises a main transmission 2 and a housing 3.
- the main transmission 2 comprises a drive-side shaft 4, a driven-side shaft 5, a plurality of planetary gear stages 6, 11, 16 and 21, which are also referred to as planetary gear sets, and a plurality of switching elements B1, B2, K1, K2, K3 and K4.
- a first planetary gear stage 6 and first planetary gear set of the main transmission 2 has a sun gear 7, a web 8, a stored on the web 8 planet gear 10 and a ring gear 9.
- a second planetary gear 11 and second planetary gear of the main transmission 2 also has a Sun gear 12, a web 13, a mounted on the web 13 planet gear 15 and a ring gear 14.
- the sun gear 12 of the second planetary gear 11 is permanently coupled to the drive-side shaft 4.
- the web 13 of the second planetary gear 11 is permanently coupled to the output-side shaft 5.
- the main transmission 2 of the motor vehicle transmission 1 further comprises a third planetary gear 16 and third planetary gear set with a sun gear 17, a web 18, a mounted on the web 18 planet gear 20 and a ring gear 19th and a fourth planetary gear 21 and fourth planetary gear set with a sun gear 22, a web 23, a mounted on the web 23 planet gear 25 and a ring gear 24th
- the web 13 of the second planetary gear 11 of the main transmission 2, which is permanently coupled to the output-side shaft 5, is also permanently coupled to the web 23 of the fourth planetary gear 21.
- the ring gear 14 of the second planetary gear 11 of the main gear 2 is permanently coupled to the ring gear 19 of the third planetary gear 16.
- the web 23 of the fourth planetary gear 21 of the main transmission 2 can be coupled with the interposition of a first switching element K2 to the sun gear 17 of the third planetary gear 16, namely such that the web 23 of the third planetary gear 21 with closed first switching element K2 to the sun gear 17 of the third planetary gear 16 is coupled, whereas the web 23 of the fourth planetary gear 21 is decoupled from the sun gear 17 of the third planetary gear 16 with the first switching element K2 open.
- the web 18 of the third planetary gear 16 of the main transmission 2 can be coupled to the housing 3 with the interposition of a second switching element B1.
- the sun gear 17 of the third planetary gear 16 of the main transmission 2 is coupled to the drive-side shaft 4 with the interposition of a third switching element K4 and a fourth switching element K1.
- the main transmission 2 of the motor vehicle transmission 1 of FIG. 1 comprises two further shift elements, namely a fifth shift element K3 and a sixth shift element K2.
- the fifth switching element K3 between the web 18 of the third planetary gear 16 and the ring gear 24 of the fourth planetary gear 21 is connected, namely such that when this fifth switching element K3 is closed, the web 18 of the third planetary gear 16th is coupled to the ring gear 24 of the fourth planetary gear 21, whereas, when this fifth switching element K3 is opened, the web 18 of the third planetary gear 16 is disconnected from the ring gear 24 of the fourth planetary gear 21.
- the sun gear 22 of the fourth planetary gear 21 of the main transmission 2 with the interposition exclusively of the fourth switching element K1 to the drive-side shaft 4 and with the interposition exclusively of the third switching element K4 to the sun gear 17 of the third planetary gear 16 coupled, wherein the ring gear 9 of the first planetary gear 6 is fixedly coupled to the sun gear 22 of the fourth planetary gear 21.
- the sixth switching element B2 is connected between the sun gear 7 of the first planetary gear 6 and the housing 3, namely such that when the sixth switching element B2 is closed, the sun gear 7 of the first planetary gear 6 firmly connected to the housing 3 of the motor vehicle transmission 1 is, whereas, when the sixth switching element B2 is opened, the sun gear 7 of the first planetary gear 6 is disconnected from the housing 3 of the motor vehicle transmission 1.
- the web 8 of the first planetary gear 6 of the main gear 2 is permanently coupled to the web 18 of the third planetary gear 16, further, the ring gear 9 of the first planetary gear 6 with the interposition exclusively of the fourth switching element K1 to the drive-side shaft 4 and interposition exclusively of the third switching element K4 to the sun gear 17 of the third planetary gear 16 coupled.
- the main transmission 2 shown in Fig. 1 using the four planetary gear stages 6, 11, 16 and 21 and the six shifting elements B1, B2, K1, K2, K3 and K4, a number of nine forward gears and one reverse gear can be provided. In each gear while three switching elements are open and three switching elements closed. Drive and output are preferably positioned coaxially, the output can also be arranged laterally.
- the second switching element B1 and the third switching element K4 of the main transmission 2 are preferably designed as a form-locking switching elements, whereas the other switching elements B2, K1, K2 and K3 of the main gear 2 are preferably designed as frictional switching elements.
- a hydrodynamic torque converter As a starting element for the motor vehicle group transmission 1, a hydrodynamic torque converter, a hydrodynamic coupling, an additional starting clutch, an integrated starting clutch or an additional electric machine can be used.
- An electric machine can basically be arranged on each shaft of the motor vehicle group transmission 1.
- the first planetary gear stage 6 of the main transmission 2 is preferably positioned adjacent to a drive-side end of the main transmission 2 and the second planetary gear 11 of the main transmission 2, preferably adjacent to a driven-side end of the main transmission 2.
- the third planetary gear 16 and the fourth planetary gear 21 of the main gear 2 are positioned between the first planetary gear 6 and the second planetary gear 11, preferably such that the third planetary gear 16 adjacent to the first planetary gear 6 and the fourth planetary gear 21 adjacent to the second planetary gear 11 is arranged ,
- the main transmission 2 shown in FIG. 1 may use the switching matrix shown in FIG. Accordingly, nine forward gears V1 to V9, one reverse gear R1 and two additional gears Z1, Z2 can be provided or used. Switching elements that are closed in the respective gear are marked with an X in the switching matrix of FIG.
- the forward gear V2 and the forward gear V9 can be realized with four different switching combinations.
- the transmission of FIG. 1 and the switching matrix of FIG. 2 are suitable for example for the application of the motor vehicle transmission 1 of FIG. 1 in a bus.
- the main transmission 2 of FIG. 1 is expanded to a group transmission by using a secondary transmission 26 downstream of the main transmission 2.
- Fig. 4 shows a first variant of such a group transmission of the main transmission 2 of Fig. 1 and a main gear 2 drive downstream downstream gear 26, wherein the output side shaft 5 of the main gear 2 fixed a drive-side shaft 27 of the main transmission 2 downstream Nachschaltgetriebes 26 coupled is.
- the secondary transmission 26 has two planetary gear sets or planetary gear sets 29 and 34, namely a fifth planetary gear 29 with a sun gear 30, a web 31, mounted on the web 31 planetary gear 33 and a ring gear 32, and a sixth planetary gear 34 with a sun gear 35th , a web 36, a planet gear 38 mounted on the web 36 and a ring gear 37.
- the sun gear 30 of the fifth planetary gear 29 is permanently coupled to the drive-side shaft 27 of the Nachschaltgetriebes 26 and thus to the Abtnebs workede shaft 5 of the main transmission 2.
- the web 36 of the sixth planetary gear 34 is permanently coupled to a Abtnebs workede shaft 28 of the Nachschaltgetriebes 26.
- the ring gear 32 of the fifth planetary gear 29 is permanently coupled to the sun gear 35 of the sixth planetary gear 34.
- the web 31 of the fifth planetary gear 29 is permanently coupled to the ring gear 37 of the sixth planetary gear 34.
- the secondary transmission 26 includes three switching elements R, H, L, which are all designed as a form-locking switching elements.
- these switching elements R, H and L cooperate with the web 31 and the ring gear 32 of the first planetary gear 29 such that depending on the switching position of these switching elements R, H and L, the web 31 of the fifth planetary gear 29 and the Ring gear 32 of the fifth planetary gear 29 are either coupled to the housing 3 or each other.
- the positive switching element L is closed, in which case the ring gear 32 of the fifth planetary gear set 29 is connected to the housing 3.
- the so-called high-speed gear shift element H is closed, in which case the ring gear 32 of the fifth planetary gear set 29 is coupled to the web 31 thereof.
- the switching element R is closed to provide reverse gears, the web 31 of the fifth planetary gear 29 is coupled to the housing 3 of the transmission 1.
- the Nachschalten 26 of Fig. 4 therefore has two planetary gear stages 29 and 34 and three positive switching elements R, H and L and serves to provide two forward gears and one reverse gear. 4, the shift matrix of FIG. 5 can be used, wherein the translations i and gear jumps ⁇ shown in FIG.
- Fig. 6 shows a modification of the group transmission 1 of FIG. 4, which differs from the group transmission of Fig. 4 by the interconnection of the switching elements R, L and H with the two planetary gear sets 29 and 34 of the rear-26.
- the switching elements L and H with the sixth planetary gear 34 cooperate, namely such that to provide the low gear, the switching element L is closed and then the sun gear 35 of the sixth planetary gear 34 connects to the housing 3, wherein to provide the high-speed gear shift element H is closed and the web 36 of the sixth planetary gear 34 is coupled to the sun gear 35.
- the two planetary gear sets 29 and 34 of the Nachschaltgrup- PE 26 are axially positioned one behind the other.
- the two planetary gears 29 and 34 are nested radially, in which case the ring gear 32 of the fifth planetary gear 29 and the sun gear 35 of the sixth planetary gear 34 are provided by one and the same assembly.
- any two switching elements can be combined to form a double switching element.
- the switching elements H and L can be combined to form a double switching element, as shown in FIGS. 4, 6 and 7.
- the two switching elements R and H can be combined to form a double switching element.
- the switching elements R and L can be combined to form a double switching element.
- the element B2 which is marked in Fig. 9 as B2 ', between the ring gear 9 of the first planetary gear 10 and the fourth switching element K1 and further between the ring gear 9 of the first planetary gear 6 and the third switching element K4 switched.
- the web 8 of the first planetary gear 6 is then permanently coupled to the web 18 of the third planetary gear 16, further, in this case, the sun gear 7 of the first planetary gear 6 is permanently coupled to the housing 3.
- FIG. 10 A further variant of a group transmission 1 is shown in Fig. 10, wherein in Fig. 10, the sixth switching element B2 "between the web 8 of the first planetary gear 6 and the web 18 of the third planetary gear 16 is connected.
- the ring gear 9 of the first planetary gear 6 is coupled with the interposition exclusively of the fourth switching element K1 to the drive-side shaft 4 with the interposition exclusively of the third switching element K4 to the sun gear 17 of the third planetary gear 16, wherein the sun gear 7 of the first Planet wheel 6 is permanently coupled to the housing 3.
- FIG. 11 shows a further variant of a group transmission 1, in which the fifth shifting element K3, designated as K3 ', is interposed between the sun gear 22 of the fourth planetary gear 21 and the fourth shifting element K1) as well as the third shifting element K4. in which case the web 18 of the third planetary gear stage 16 and the ring gear 24 of the fourth planetary gear stage 21 are permanently coupled.
- the switching elements B2 and K3 can be positioned at different positions within the main transmission 2 with the same effect. These switching elements B2 and K3 act on one side of the switching element in each case only on a wheel set element of a planetary gear set.
- the switching elements B2 or B2 'or B2 "and K3 or K3' shown in FIGS. 9 to 11 the force flow or the torque flow in the transmission does not change.
- the transmission according to the invention are characterized by a high efficiency and low construction costs.
- the gearboxes have a compact design. In the approach area progressive and in the upper gears almost geometric gear ratios can be realized.
- For the group transmission several reverse gears can be provided. There is a high number of powershift gears. Component loads can be kept low. Lower gears are characterized by a good multiple switchability.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102014215190.2A DE102014215190A1 (de) | 2014-08-01 | 2014-08-01 | Kraftfahrzeuggetriebe |
PCT/EP2015/065057 WO2016015945A1 (de) | 2014-08-01 | 2015-07-02 | Kraftfahrzeuggetriebe |
Publications (1)
Publication Number | Publication Date |
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EP3175143A1 true EP3175143A1 (de) | 2017-06-07 |
Family
ID=53524770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15734645.3A Withdrawn EP3175143A1 (de) | 2014-08-01 | 2015-07-02 | Kraftfahrzeuggetriebe |
Country Status (4)
Country | Link |
---|---|
US (1) | US10156284B2 (de) |
EP (1) | EP3175143A1 (de) |
DE (1) | DE102014215190A1 (de) |
WO (1) | WO2016015945A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101836277B1 (ko) * | 2016-03-16 | 2018-03-08 | 현대자동차 주식회사 | 차량용 자동변속기의 유성기어트레인 |
US10316940B2 (en) | 2016-09-28 | 2019-06-11 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10364867B2 (en) | 2016-09-28 | 2019-07-30 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10323722B2 (en) | 2016-09-28 | 2019-06-18 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10253850B2 (en) | 2016-09-28 | 2019-04-09 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10473190B2 (en) | 2016-09-28 | 2019-11-12 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10302173B2 (en) | 2016-09-28 | 2019-05-28 | Allison Transmission, Inc. | Multi-speed planetary transmission |
US10234001B2 (en) * | 2016-09-28 | 2019-03-19 | Allison Transmission, Inc. | Multi-speed planetary transmission |
DE102017206799A1 (de) * | 2017-04-24 | 2018-10-25 | Zf Friedrichshafen Ag | Getriebe für ein Kraftfahrzeug |
DE102018217870A1 (de) * | 2018-10-18 | 2020-04-23 | Zf Friedrichshafen Ag | Getriebe für ein Kraftfahrzeug |
CN109578535B (zh) * | 2018-11-29 | 2021-04-23 | 中国北方车辆研究所 | 一种三十二档自动行星变速器 |
CN114746672B (zh) | 2019-10-07 | 2024-01-09 | 艾里逊变速箱公司 | 多速行星式变速器 |
DE112020006277T5 (de) | 2019-12-23 | 2022-10-13 | Allison Transmission, Inc. | Mehrgängiger Planetenradsatz |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06100251B2 (ja) | 1985-01-14 | 1994-12-12 | 株式会社小松製作所 | 遊星歯車式変速装置 |
DE102005002337A1 (de) | 2005-01-17 | 2006-08-10 | Zf Friedrichshafen Ag | Mehrstufengetriebe |
DE102008019419A1 (de) * | 2007-04-20 | 2008-11-20 | GM Global Technology Operations, Inc., Detroit | Mehrganggetriebe |
US7887454B2 (en) * | 2007-07-13 | 2011-02-15 | GM Global Technology Operations LLC | Multi-speed transmission |
US7946948B2 (en) | 2008-01-31 | 2011-05-24 | GM Global Technology Operations LLC | 9-speed transmission |
DE102010024587A1 (de) * | 2010-06-22 | 2011-12-22 | Daimler Ag | Getriebeeinheit |
DE102010052001B4 (de) * | 2010-11-19 | 2019-09-26 | Bayerische Motoren Werke Aktiengesellschaft | 9-Gang-Planetenradautomatikgetriebe |
DE102011087947A1 (de) | 2011-12-08 | 2013-06-13 | Zf Friedrichshafen Ag | Gruppengetriebe und Antriebstrang mit einem Gruppengetriebe |
DE102012210841A1 (de) * | 2012-06-26 | 2014-01-02 | Zf Friedrichshafen Ag | Mehrstufengetriebe |
-
2014
- 2014-08-01 DE DE102014215190.2A patent/DE102014215190A1/de not_active Ceased
-
2015
- 2015-07-02 EP EP15734645.3A patent/EP3175143A1/de not_active Withdrawn
- 2015-07-02 US US15/500,621 patent/US10156284B2/en not_active Expired - Fee Related
- 2015-07-02 WO PCT/EP2015/065057 patent/WO2016015945A1/de active Application Filing
Non-Patent Citations (2)
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None * |
See also references of WO2016015945A1 * |
Also Published As
Publication number | Publication date |
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WO2016015945A1 (de) | 2016-02-04 |
DE102014215190A1 (de) | 2016-02-04 |
US10156284B2 (en) | 2018-12-18 |
US20170219062A1 (en) | 2017-08-03 |
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