# US 9,518,635 B2 · Multi-speed transmission

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- Number: US 9,518,635 B2
- Document ID: US9518635B2
- Status: Granted
- Kind: B2
- Application number: 14/443,815
- Filed: 2013-10-10
- Published: 2016-01-21
- Granted: 2016-12-13
- Earliest claimed: 2012-11-19
- Assignees: ZF Friedrichshafen AG
- Applicants: ZF Friedrichshafen AG
- Inventors: Stefan Beck
- Web page: https://patentgrep.com/patent/US9518635B2

## CPC

- F16H 3/66: composed of a number of gear trains without drive passing from one train to another
- F16H 2003/445: {without permanent connection between the input and the set of orbital gears}
- F16H 2200/0065: the gear ratios comprising nine forward speeds
- F16H 2200/201: with three sets of orbital gears
- F16H 2200/2046: with six engaging means
- F16H: GEARING

## Abstract

A multi-stage, space-saving transmission comprises a drive shaft and an output shaft arranged parallel to each other, at least eight other rotating shafts, three planetary gear sets, three spur gear stages, and six elements, comprising two brakes and four clutches. Selective meshing of the six elements brings about nine forward gears and one reverse gear. The first planetary gear set is coaxial to a first axis, defined by the drive shaft, and the second and third planetary gear sets are coaxial to a second axis, defined by the output shaft.

## Claims

### Claim 1

An automatic multistage transmission for a motor vehicle, comprising:
a drive shaft (1);
an output shaft (2) arranged parallel to the drive shaft (1);
a first planetary gear set (P1), a second planetary gear set (P2), and a third planetary gear set (P3), the first planetary gear set (P1) arranged coaxial to a first axis defined by the drive shaft (1), and the second and third planetary gear sets (P2, P3) arranged coaxial to a second axis that is arranged parallel to the first axis and is defined by the output shaft (2);
the drive shaft (1) detachably connectable through a first clutch (13) to a third shaft (3) connected to a sun gear of the first planetary gear set (P1), which is attachable to a housing (G) of the transmission through a first brake (03);
the drive shaft (1) detachably connectable through a second clutch (17) to a seventh shaft (7) connected to a ring gear of the first planetary gear set (P1);
a sixth shaft (6) connected to a bar of the first planetary gear set (P1) and, through a second spur gear stage (S2), with a tenth shaft (10) connected to a ring gear of the third planetary gear set (P3);
the output shaft (2) connected to bar of the second planetary gear set (P2);
a fourth shaft (4) connected to a sun gear of the second planetary gear set (P2) and the sun gear of the third planetary gear set (P3), and attachable to the housing G through a second brake (04);
the drive shaft (1), through an eighth and a ninth shaft (8, 9), a first spur gear stage (S1), and through one of a) a third clutch (18) or b) a fifth clutch (89), is in operative connection with a ring gear of the second planetary gear set (P2) and a bar of the third planetary gear set (P3); and
wherein the third shaft (3), through a fifth and tenth shaft (5, 10), a third spur gear stage (S3), and through one of a) a fourth clutch (35) or b) a sixth clutch (15), is in operative connection with the ring gear of the third planetary gear set (P3).

### Claim 2 (depends on 1)

The multistage transmission according to claim 1, wherein the drive shaft (1) is detachably connectable through the third clutch (18) with the eighth shaft (8), which, through the first spur gear stage (S1), is in operative connection with the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 3 (depends on 1)

The multistage transmission according to claim 1, wherein the drive shaft (1) is in operative connection, through the first spur gear stage (S1), with the eighth shaft (8), which, through the fifth clutch (89), is detachably connectable to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 4 (depends on 2)

The multistage transmission according to claim 2, wherein the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which, through the third spur gear stage (S3), is in operative connection with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 5 (depends on 2)

The multistage transmission according to claim 2, wherein the third shaft (3) is in operative connection, through the third spur gear stage (S3), to the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 6 (depends on 1)

The multistage transmission according to claim 1, wherein the planetary gear sets (P1, P2, P3, P4) are designed as negative planetary gear sets.

### Claim 7 (depends on 1)

The multistage transmission according to claim 1, further comprising an electric motor (E) that is one of a) directly connected to the drive shaft (1) or b) axially parallel to and connected to the drive shaft (1) through either a spur gear stage (S4) or a chain drive.

### Claim 8 (depends on 7)

The multistage transmission according to claim 7, wherein the transmission is drivable by the electric motor in all gears, and further comprising a tenth clutch (K0), wherein an internal combustion engine of the motor vehicle is connectable to the transmission by the tenth clutch (K0).

### Claim 9 (depends on 1)

The multistage transmission according to claim 1, wherein the transmission comprises nine forward gears and one reverse gear;
the drive shaft (1) is detachably connectable, through the second clutch (17), to the seventh shaft (7) connected to the ring gear of the first planetary gear set (P1);
the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which is in operative connection, through the third spur gear stage (S3), with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3);
the drive shaft (1) is detachably connectable, through the third clutch (18), to the eighth shaft (8), which is in operative connection, through the first spur gear stage (S1), to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3);
wherein the first forward gear arises through locking of the second brake (04) and the second and fourth clutches (17, 35);
wherein the second forward gear arises through locking of the first and second brakes (03, 04) and the second clutch (17);
wherein the third forward gear arises through locking of the second brake (04) and the first and second clutches (13, 17);
wherein the fourth forward gear arises through locking of the second brake (04) and the second and third clutches (17, 18);
wherein the fifth forward gear arises through locking of the first, second and third clutches (13, 17, 18);
wherein the sixth forward gear arises through locking of the first brake (03) and the second and third clutches (17, 18);
wherein the seventh forward gear arises through locking of the second, third and fourth clutches (17, 18, 35);
wherein the eighth gear arises through locking of the first brake (03) and the third and fourth clutches (18, 35);
wherein the ninth forward gear arises through locking of the first, third, and fourth clutches (13, 18, 35);
wherein the reverse gear arises through locking of the second brake (04) and the first and fourth clutches (13, 35);
wherein the fourth forward gear alternatively is realized through one of a) locking of the second brake (04) and the third and fourth clutches (18, 35), b) locking of the second brake (04) and the first and third clutches (13, 18), or c) locking of the first and second brakes (03, 04) and the third clutch (18);
wherein in the event that the drive shaft (1) is in operative connection through the first spur gear stage (S1) with the eighth shaft (8), which is detachably connectable through the fifth clutch (89) to the ninth shaft (9) connected to the ring gear of the third planetary gear set (P3) and the bar of the fourth planetary gear set (P4), the third clutch (18) is replaced by the fifth clutch (89);
wherein in the event that the third shaft (3) is in operative connection through the spur gear stage (S3) with the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3), the fourth clutch (35) is replaced by the sixth clutch (15);
wherein in the event that a seventh clutch (37) is provided, the second clutch (17) is replaced by the seventh clutch (37);
wherein in the event that an eighth clutch (67) is provided, the second clutch (17) is replaced by the eighth clutch (67); and
wherein in the event that a ninth clutch (107) is provided, the second clutch (17) is replaced by the ninth clutch (107).

### Claim 10

An automatic multistage transmission for a motor vehicle, comprising:
a drive shaft (1);
an output shaft (2) arranged parallel to the drive shaft (1);
a first planetary gear set (P1), a second planetary gear set (P2), and a third planetary gear set (P3), the first planetary gear set (P1) arranged coaxial to a first axis defined by the drive shaft (1), and the second and third planetary gear sets (P2, P3) arranged coaxial to a second axis that is arranged parallel to the first axis and is defined by the output shaft (2);
the drive shaft (1) connected to a ring gear of the first planetary gear set (P1) and detachably connectable through a first clutch (13) to a third shaft (3), which is attachable to a housing (G) of the transmission through a first brake (03);
the drive shaft (1) detachably connectable through a second clutch (17) to a seventh shaft (7) connected to a sun gear of the first planetary gear set (P1);
a sixth shaft (6) connected to a bar of the first planetary gear set (P1) and, through a second spur gear stage (S2), with a tenth shaft (10) connected to a ring gear of the third planetary gear set (P3);
the output shaft (2) connected to bar of the second planetary gear set (P2);
a fourth shaft (4) connected to a sun gear of the second planetary gear set (P2) and the sun gear of the third planetary gear set (P3), and attachable to the housing G through a second brake (04);
the drive shaft (1), through an eighth and a ninth shaft (8, 9), a first spur gear stage (S1), and through one of a) a third clutch (18) or b) a fifth clutch (89) and, is in operative connection with a ring gear of the second planetary gear set (P2) and a bar of the third planetary gear set (P3); and
wherein the third shaft (3), through a fifth and tenth shaft (5, 10), a third spur gear stage (S3), and through one of a) a fourth clutch (35) or b), a sixth clutch (15), is in operative connection with the ring gear of the third planetary gear set (P3).

### Claim 11 (depends on 10)

The multistage transmission according to claim 10, wherein the drive shaft (1) is detachably connectable through the third clutch (18) with the eighth shaft (8), which, through the first spur gear stage (S1), is in operative connection with the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 12 (depends on 10)

The multistage transmission according to claim 10, wherein the drive shaft (1) is in operative connection, through the first spur gear stage (S1), with the eighth shaft (8), which, through the fifth clutch (89), is detachably connectable to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 13 (depends on 11)

The multistage transmission according to claim 11, wherein the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which, through the third spur gear stage (S3), is in operative connection with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 14 (depends on 11)

The multistage transmission according to claim 11, wherein the third shaft (3) is in operative connection, through the third spur gear stage (S3), to the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 15 (depends on 10)

The multistage transmission according to claim 10, wherein the planetary gear sets (P1, P2, P3, P4) are designed as negative planetary gear sets.

### Claim 16 (depends on 10)

The multistage transmission according to claim 10, further comprising an electric motor (E) that is either directly connected to the drive shaft (1) or axially parallel to and connected to the drive shaft (1) through a spur gear stage (S4) or a chain drive.

### Claim 17 (depends on 16)

The multistage transmission according to claim 16, wherein the transmission is drivable by the electric motor in all gears, and further comprising a tenth clutch (K0), wherein an internal combustion engine of the motor vehicle is connectable to the transmission by the tenth clutch (K0).

### Claim 18 (depends on 10)

The multistage transmission according to claim 10, wherein the transmission comprises nine forward gears and one reverse gear;
the drive shaft (1) is detachably connectable, through the second clutch (17), to the seventh shaft (7) connected to the ring gear of the first planetary gear set (P1);
the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which is in operative connection, through the third spur gear stage (S3), with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3);
the drive shaft (1) is detachably connectable, through the third clutch (18), to the eighth shaft (8), which is in operative connection, through the first spur gear stage (S1), to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3);
wherein the first forward gear arises through locking of the second brake (04) and the second and fourth clutches (17, 35);
wherein the second forward gear arises through locking of the first and second brakes (03, 04) and the second clutch (17);
wherein the third forward gear arises through locking of the second brake (04) and the first and second clutches (13, 17);
wherein the fourth forward gear arises through locking of the second brake (04) and the second and third clutches (17, 18);
wherein the fifth forward gear arises through locking of the first, second and third clutches (13, 17, 18);
wherein the sixth forward gear arises through locking of the first brake (03) and the second and third clutches (17, 18);
wherein the seventh forward gear arises through locking of the second, third and fourth clutches (17, 18, 35);
wherein the eighth gear arises through locking of the first brake (03) and the third and fourth clutches (18, 35);
wherein the ninth forward gear arises through locking of the first, third, and fourth clutches (13, 18, 35);
wherein the reverse gear arises through locking of the second brake (04) and the first and fourth clutches (13, 35);
wherein the fourth forward gear alternatively is realized through one of a) locking of the second brake (04) and the third and fourth clutches (18, 35), b) locking of the second brake (04) and the first and third clutches (13, 18), or c) locking of the first and second brakes (03, 04) and the third clutch (18);
wherein in the event that the drive shaft (1) is in operative connection through the first spur gear stage (S1) with the eighth shaft (8), which is detachably connectable through the fifth clutch (89) to the ninth shaft (9) connected to the ring gear of the third planetary gear set (P3) and the bar of the fourth planetary gear set (P4), the third clutch (18) is replaced by the fifth clutch (89);
wherein in the event that the third shaft (3) is in operative connection through the spur gear stage (S3) with the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3), the fourth clutch (35) is replaced by the sixth clutch (15);
wherein in the event that a seventh clutch (37) is provided, the second clutch (17) is replaced by the seventh clutch (37);
wherein in the event that an eighth clutch (67) is provided, the second clutch (17) is replaced by the eighth clutch (67); and
wherein in the event that a ninth clutch (107) is provided, the second clutch (17) is replaced by the ninth clutch (107).

### Claim 19

An automatic multistage transmission for a motor vehicle, comprising:
a drive shaft (1);
an output shaft (2) arranged parallel to the drive shaft (1);
a first planetary gear set (P1), a second planetary gear set (P2), and a third planetary gear set (P3), the first planetary gear set (P1) arranged coaxial to a first axis defined by the drive shaft (1), and the second and third planetary gear sets (P2, P3) arranged coaxial to a second axis that is arranged parallel to the first axis and is defined by the output shaft (2);
the drive shaft (1) connected to a ring gear of the first planetary gear set (P1) and detachably connectable through a first clutch (13) to a third shaft (3), which is attachable to a housing (G) of the transmission through a first brake (03);
a sixth shaft (6) detachably connectable through an eighth clutch (67) with a seventh shaft (7) connected to a bar of the first planetary gear set (P1) and, through a second spur gear stage (S2), is in operative connection with a tenth shaft (10) connected to a ring gear of the third planetary gear set (P3);
the output shaft (2) connected to a bar of the second planetary gear set (P2);
a fourth shaft (4) is connected to a sun gear of the second planetary gear set (P2) and a sun gear of the third planetary gear set (P3), and attachable to the housing (G) through a second brake (04);
the drive shaft (1), through an eighth and a ninth shaft (8, 9), a first spur gear stage (S1), and through one of a) a third clutch (18) or b) a fifth clutch (89), in operative connection with a ring gear of the second planetary gear set (P2) and a bar of the third planetary gear set (P3); and
the third shaft (3), through a fifth and tenth shaft (5, 10), a third spur gear stage (S3), and through one of a) a fourth clutch (35) or b) a sixth clutch (15), is in operative connection with the ring gear of the third planetary gear set (P3).

### Claim 20 (depends on 19)

The multistage transmission according to claim 19, wherein the drive shaft (1) is detachably connectable through the third clutch (18) with the eighth shaft (8), which, through the first spur gear stage (S1), is in operative connection with the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 21 (depends on 20)

The multistage transmission according to claim 20, wherein the drive shaft (1) is in operative connection, through the first spur gear stage (S1), with the eighth shaft (8), which, through the fifth clutch (89), is detachably connectable to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 22 (depends on 20)

The multistage transmission according to claim 20, wherein the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which, through the third spur gear stage (S3), is in operative connection with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 23 (depends on 20)

The multistage transmission according to claim 20, wherein the third shaft (3) is in operative connection, through the third spur gear stage (S3), to the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 24 (depends on 19)

The multistage transmission according to claim 19, wherein the planetary gear sets (P1, P2, P3, P4) are designed as negative planetary gear sets.

### Claim 25 (depends on 19)

The multistage transmission according to claim 19, further comprising an electric motor (E) that is one of a) directly connected to the drive shaft (1) or b) axially parallel to and connected to the drive shaft (1) through either a spur gear stage (S4) or a chain drive.

### Claim 26 (depends on 25)

The multistage transmission according to claim 25, wherein the transmission is drivable by the electric motor in all gears, and further comprising a tenth clutch (K0), wherein an internal combustion engine of the motor vehicle is connectable to the transmission by the tenth clutch (K0).

### Claim 27 (depends on 19)

The multistage transmission according to claim 19, wherein the transmission comprises nine forward gears and one reverse gear;
the drive shaft (1) is detachably connectable, through the second clutch (17), to the seventh shaft (7) connected to the ring gear of the first planetary gear set (P1);
the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which is in operative connection, through the third spur gear stage (S3), with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3);
the drive shaft (1) is detachably connectable, through the third clutch (18), to the eighth shaft (8), which is in operative connection, through the first spur gear stage (S1), to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3);
wherein the first forward gear arises through locking of the second brake (04) and the second and fourth clutches (17, 35);
wherein the second forward gear arises through locking of the first and second brakes (03, 04) and the second clutch (17);
wherein the third forward gear arises through locking of the second brake (04) and the first and second clutches (13, 17);
wherein the fourth forward gear arises through locking of the second brake (04) and the second and third clutches (17, 18);
wherein the fifth forward gear arises through locking of the first, second and third clutches (13, 17, 18);
wherein the sixth forward gear arises through locking of the first brake (03) and the second and third clutches (17, 18);
wherein the seventh forward gear arises through locking of the second, third and fourth clutches (17, 18, 35);
wherein the eighth gear arises through locking of the first brake (03) and the third and fourth clutches (18, 35);
wherein the ninth forward gear arises through locking of the first, third, and fourth clutches (13, 18, 35);
wherein the reverse gear arises through locking of the second brake (04) and the first and fourth clutches (13, 35);
wherein the fourth forward gear alternatively is realized through one of a) locking of the second brake (04) and the third and fourth clutches (18, 35), b) locking of the second brake (04) and the first and third clutches (13, 18), or c) locking of the first and second brakes (03, 04) and the third clutch (18);
wherein in the event that the drive shaft (1) is in operative connection through the first spur gear stage (S1) with the eighth shaft (8), which is detachably connectable through the fifth clutch (89) to the ninth shaft (9) connected to the ring gear of the third planetary gear set (P3) and the bar of the fourth planetary gear set (P4), the third clutch (18) is replaced by the fifth clutch (89);
wherein in the event that the third shaft (3) is in operative connection through the spur gear stage (S3) with the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3), the fourth clutch (35) is replaced by the sixth clutch (15);
wherein in the event that a seventh clutch (37) is provided, the second clutch (17) is replaced by the seventh clutch (37);
wherein in the event that an eighth clutch (67) is provided, the second clutch (17) is replaced by the eighth clutch (67); and
wherein in the event that a ninth clutch (107) is provided, the second clutch (17) is replaced by the ninth clutch (107).

### Claim 28

An automatic multistage transmission for a motor vehicle, comprising:
a drive shaft (1);
an output shaft (2) arranged parallel to the drive shaft (1);
a first planetary gear set (P1), a second planetary gear set (P2), and a third planetary gear set (P3), the first planetary gear set (P1) arranged coaxial to a first axis defined by the drive shaft (1), and the second and third planetary gear sets (P2, P3) arranged coaxial to a second axis that is arranged parallel to the first axis and is defined by the output shaft (2);
the drive shaft (1) is connected to a ring gear of the first planetary gear set (P1) and is detachably connectable through a first clutch (13) to a third shaft (3) connected to a sun gear of the first planetary gear set (P1), which is attachable to a housing (G) of the transmission through a first brake (03);
a sixth shaft (6) is connected to a bar of the first planetary gear set (P1) and, through a second spur gear stage (S2), is in operative connection with a seventh shaft (7), which is detachably connectable through a ninth clutch (107) with a tenth shaft (10) connected to a ring gear of the third planetary gear set (P3);
the output shaft (2) connected to a bar of the second planetary gear set (P2);
a fourth shaft (4) connected to a sun gear of the second planetary gear set (P2) and a sun gear of the third planetary gear set (P3), and attachable to the housing (G) through a second brake (04);
the input shaft (1), through an eighth and a ninth shaft (8, 9), a first spur gear stage (S1), and through one of a) a third clutch (18) or b) a fifth clutch (89), is in operative connection with the a gear of the second planetary gear set (P2) and a bar of the third planetary gear set (P3); and
wherein the third shaft (3), through a fifth and tenth shaft (5, 10), a third spur gear stage (S3), and through one of a) a fourth clutch (35) or b) a sixth clutch (15), is in operative connection with a ring gear of the third planetary gear set (P3).

### Claim 29 (depends on 28)

The multistage transmission according to claim 28, wherein the drive shaft (1) is detachably connectable through the third clutch (18) with the eighth shaft (8), which, through the first spur gear stage (S1), is in operative connection with the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 30 (depends on 28)

The multistage transmission according to claim 28, wherein the drive shaft (1) is in operative connection, through the first spur gear stage (S1), with the eighth shaft (8), which, through the fifth clutch (89), is detachably connectable to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3).

### Claim 31 (depends on 29)

The multistage transmission according to claim 29, wherein the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which, through the third spur gear stage (S3), is in operative connection with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 32 (depends on 29)

The multistage transmission according to claim 29, wherein the third shaft (3) is in operative connection, through the third spur gear stage (S3), to the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3).

### Claim 33 (depends on 28)

The multistage transmission according to claim 28, wherein the planetary gear sets (P1, P2, P3, P4) are designed as negative planetary gear sets.

### Claim 34 (depends on 28)

The multistage transmission according to claim 28, further comprising an electric motor (E) that is either directly connected to the drive shaft (1) or axially parallel to and connected to the drive shaft (1) through a spur gear stage (S4) or a chain drive.

### Claim 35 (depends on 34)

The multistage transmission according to claim 34, wherein the transmission is drivable by the electric motor in all gears, and further comprising a tenth clutch (K0), wherein an internal combustion engine of the motor vehicle is connectable to the transmission by the tenth clutch (K0).

### Claim 36 (depends on 28)

The multistage transmission according to claim 28, wherein the transmission comprises nine forward gears and one reverse gear;
the drive shaft (1) is detachably connectable, through the second clutch (17), to the seventh shaft (7) connected to the ring gear of the first planetary gear set (P1);
the third shaft (3) is detachably connectable, through the fourth clutch (35), to the fifth shaft (5), which is in operative connection, through the third spur gear stage (S3), with the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3);
the drive shaft (1) is detachably connectable, through the third clutch (18), to the eighth shaft (8), which is in operative connection, through the first spur gear stage (S1), to the ninth shaft (9) connected to the ring gear of the second planetary gear set (P2) and the bar of the third planetary gear set (P3);
wherein the first forward gear arises through locking of the second brake (04) and the second and fourth clutches (17, 35);
wherein the second forward gear arises through locking of the first and second brakes (03, 04) and the second clutch (17);
wherein the third forward gear arises through locking of the second brake (04) and the first and second clutches (13, 17);
wherein the fourth forward gear arises through locking of the second brake (04) and the second and third clutches (17, 18);
wherein the fifth forward gear arises through locking of the first, second and third clutches (13, 17, 18);
wherein the sixth forward gear arises through locking of the first brake (03) and the second and third clutches (17, 18);
wherein the seventh forward gear arises through locking of the second, third and fourth clutches (17, 18, 35);
wherein the eighth gear arises through locking of the first brake (03) and the third and fourth clutches (18, 35);
wherein the ninth forward gear arises through locking of the first, third, and fourth clutches (13, 18, 35);
wherein the reverse gear arises through locking of the second brake (04) and the first and fourth clutches (13, 35);
wherein the fourth forward gear alternatively is realized through one of a) locking of the second brake (04) and the third and fourth clutches (18, 35), b) locking of the second brake (04) and the first and third clutches (13, 18), or c) locking of the first and second brakes (03, 04) and the third clutch (18);
wherein in the event that the drive shaft (1) is in operative connection through the first spur gear stage (S1) with the eighth shaft (8), which is detachably connectable through the fifth clutch (89) to the ninth shaft (9) connected to the ring gear of the third planetary gear set (P3) and the bar of the fourth planetary gear set (P4), the third clutch (18) is replaced by the fifth clutch (89);
wherein in the event that the third shaft (3) is in operative connection through the spur gear stage (S3) with the fifth shaft (5), which, through a sixth clutch (15), is detachably connectable to the tenth shaft (10) connected to the ring gear of the third planetary gear set (P3), the fourth clutch (35) is replaced by the sixth clutch (15);
wherein in the event that a seventh clutch (37) is provided, the second clutch (17) is replaced by the seventh clutch (37);
wherein in the event that an eighth clutch (67) is provided, the second clutch (17) is replaced by the eighth clutch (67); and
wherein in the event that a ninth clutch (107) is provided, the second clutch (17) is replaced by the ninth clutch (107).