Abstract: A multi-speed transmission having four gearsets, eight shafts and six shifting elements. The sun gear of gearset (P2) couples, via shaft (5) and brake (05), the housing (G), and, via clutch (15) the drive shaft. The carriers of gearsets (P2, P3) communicate, via shaft (4) and brake (04), with housing (G), and the sun gear of gearset (P3) communicates, via shaft (8) and clutch (18), with the drive shaft. The ring gears of gearsets (P2, P3) communicate, via shaft (6), with the ring gear of gearset (P4) and the sun gear of gearset (P1). The ring gear of gearset (P4) and the sun gear of gearset (P1) are connected with one another. The sun gear of gearset (P4) communicates, via shaft (3) and brake (03), with housing (G). The carriers of gearsets (P1, P4) communicate, via shaft (7) and clutch (17), with the drive shaft and the output shaft couples the ring gear of gearset (P1).

Abstract: A multi-step transmission including four gear sets, shafts, and shifting elements. The sun gear of gearset (P4) couples shaft (3) which communicates, via brake (03), with the housing. The carrier of gearset (P4) couples the output shaft, which couples the ring gear of gearset (P2). The ring gear of gearset (P4) couples shaft (7), which couples the carrier of gearset (P2) and, via clutch (17), communicates with the drive shaft, which communicates, via clutch (18), with the ring gear of gearset (P1) coupled to shaft (8), and, via clutch (15), communicates with shaft (5). Shaft (5) couples the sun gear of gearset (P3), and, via brake (05), communicates with the housing. The carrier of gearset (P1) couples the shaft (6), the ring gear of gearset (P3) and the sun gear of gearset (P2). The carrier of gearset (P3) couples the shaft (4), which, via brake (4), communicates with the housing.

Abstract: The multi-step transmission with nine forward gears and one reverse gear comprises four planetary gear sets (P1, P2, P3, P4), eight rotatable shafts (1, 2, 3, 4, 5, 6, 7, 8), and six shifting elements (03, 041 05, 14, 17, 48), where the sun gear of the planetary gear set (P1) can be detachably connected by means of the shaft (8) and via a clutch (48) to the shaft (4), which can be detachably connected via the clutch (14) to the input shaft (1), connected to the sun gear of the planetary gears set (P4), and can be coupled via the brake (04) to a housing (G), whereby the ring gear of the planetary gear set (P1) is connected to the input shaft (1), and can be detachably connected via the clutch (17) to the shaft (7), which is connected to the webs of the third and second planetary gear sets (P3, P2), the web of the planetary gear set (P1) being connected via the shaft (6) to a component, which connects the ring gear of the planetary gear set (P4) to the sun gear of the planetary gear set (P3), whereby the web of

Abstract: The ring gear of the second gearset (RS2) and the input shaft couple to form a first shaft (1). The carrier of third gearset (RS3) and the output shaft form a second shaft (2). The sun gears of first and fourth gearsets (RS1, RS4) form a third shaft (3). The carrier of first gearset (RS1) forms a fourth shaft (4). Sun gears of second and third gearsets (RS2, RS3) form a fifth shaft (5). Ring gears of first and third gearsets (RS1, RS3) form a six shaft (6). The carriers of second and fourth gearsets (RS2, RS4) form a seventh shaft (7). A ring gear of fourth gearset (RS4) forms an eighth shaft (8). In the direction of power flow, First and second shifting elements (A), (B) are located between shafts (3, 4) and a transmission housing, third shifting element (C) is between two of shafts (1, 5, 7), fourth and fifth shifting elements (D), (E) are between shafts (6, 8), (5, 8).

Abstract: A transmission with planetary gearsets (RS1, RS2, RS3, RS4), shafts and shifting elements (A, B, C, D, E). A carrier of gearset (RS2) and the input forming shaft (1). A carrier of gearset (RS3) and the output forming shaft (2). Sun gears of gearsets (RS1, RS4) couple and forming shaft (3). Ring gears of gearsets (RS1, RS4) respectively form shafts (4, 8). Sun gears of gearsets (RS2, RS3) forming shaft (5). A carrier and a ring gear of respective gearsets (RS1, RS3) forming shaft (6). A ring gear and a carrier of respective gearsets (RS2 RS4) forming shaft (7). In the direction of power flow, element (A) is located between shaft (3) and a housing, element (B) between shaft (4) and the housing, element (C) between two of shafts (1, 5, 7), element (D) between shafts (6, 8), and element (E) between shafts (5, 8).

Abstract: An eight gear transmission having drive and output shafts, planetary gearsets, shafts and shifting elements. One carrier of the gearset (RS4) and the drive shaft are coupled to form shaft (1). One ring gear of the gearset (RS2), one carrier of the gearset (RS3) and the output shaft are coupled to form shaft (2). One sun gear of the gearset (RS1) and one sun gear of the gearset (RS4) are coupled to form shaft (3). One carrier of the gearset (RS1) forms shaft (4). One sun gear of the gearset (RS3) forms the fifth shaft. One ring gear of the gearset (RS1) and one carrier of the gearset (RS2) and one ring gear of the gearset (RS3) are coupled to form shaft (6). One ring gear of the gearset (RS4) forms the seventh shaft. One sun gear of the gearset (RS2) forms shaft (8).

Abstract: The multi-speed transmission has rotatable shafts, planetary gearsets (RS1, RS2, RS3, RS4) and shifting elements (A, B, C, D, E). Carrier (ST4) of gearset (RS4) and the input shaft couple as shaft (1). Carriers (ST2, ST3) of respective gearsets (RS2, RS3) and the output shaft (AB) couple as shaft (2). Sun gears (SO1, SO4) of gearsets (RS1, RS4) couple as shaft (3). Carrier (ST1) of gearset (RS1) forms shaft (4). Sun gear (SO3) forms shaft (5). Ring gears (HO1, HO3) of gearsets (RS1, RS3) couple as shaft (6). Sun and ring gears (SO2, HO4) respectively of gearsets (RS2, RS4) couple as shaft (7). Carrier (ST2) is shaft (8). In the flow of power, elements (A, B) are respectively between shafts (3, 4) and a transmission housing; element (C) is between shafts (1, 5); element (D) is between shafts (6, 8); and element (E) is between shafts (5, 7).

Abstract: A transmission device (1) having at least one planetary gearset (2) and at least one frictional shift element (3) by which a ring gear (4), of the planetary gearset (2), can be connected to a component (5) that is fixed to a transmission housing. The ring gear (4) of the planetary gearset (2) is at least partially radially arranged within an inner disk carrier (6) of the shift element (3). The ring gear (4) and the inner disk carrier (6) are supported on a main transmission shaft (7) by a common carrier element (8). The ring gear (4) and the inner disk carrier (6) are radially separated from one another at least over a certain area.

Abstract: A multi-speed transmission which has shafts, planetary gearsets (RS1, RS2, RS3, RS4) and shifting elements (A, B, C, D, E). Carrier (ST4) of gearset (RS4) and the input shaft couple as shaft (1). Carrier (ST3) of gearset (RS3) and the output shaft couple as shaft (2). Sun gears (SO1, SO4) of gearsets (RS1, RS4) couple as shaft (3). Carrier (ST1) of gearset (RS1) forms shaft (4). Sun gear (SO3) forms shaft (5). Ring gears (HO1, HO3) of gearsets (RS1, RS3) and carrier (ST2) of gearset (RS2) couple as shaft (6). Sun and ring gears (SO2, HO4) respectively of gearsets (RS2, RS4) couple as shaft (7). Ring gear (HO2) is shaft (8). In the flow of power, elements (A, B) are respectively between shafts (3, 4) and a transmission housing; element (C) is between shafts (1, 5); element (D) is between shafts (2, 8); and element (E) is between shafts (5, 7).

Abstract: The invention concerns a multi-disk brake (1) in an automatic transmission, with an inner disk carrier (4) and an outer disk carrier (6), with inner disks (3) and outer disks (5) arranged axially in alternation on the disk carriers (4, 6), with friction linings (7) on the inner and/or outer disks (3, 5), with a piston (10) of a pressure-medium-actuated piston-cylinder arrangement such that the inner disks (3) and outer disks (5) can be acted upon by a force to close the multi-disk brake, with an end disk (9) or support disk (11) that forms an axial abutment for the disk set (14) formed by the disks (3, 5, 9, 11), and in which the disk brake (1) and/or the components around it are so configured that the disks (3, 5, 9, 11) can be wetted by a cooling oil.

Abstract: The multi-speed transmission having rotatable shafts, planetary gearsets (RS1, RS2, RS3, RS4) and shifting elements (A, B, C, D, E). Carrier (ST4) of gearset (RS4) and the input shaft couple as shaft (1). Carriers (ST2, ST3) of respective gearsets (RS2, RS3) and the output shaft (AB) couple as shaft (2). Sun gears (SO1, SO4) of gearsets (RS1, RS4) couple as shaft (3). Carrier (ST1) of gearset (RS1) forms shaft (4). Sun gear (SO3) forms shaft (5). Ring gears (HO1, HO3) of gearsets (RS1, RS3) couple as shaft (6). Sun and ring gears (SO2, HO4) respectively of gearsets (RS2, RS4) couple as shaft (7). Ring gear (HO2) is shaft (8). In the flow of power, elements (A, B) are respectively between shafts (3, 4) and a transmission housing; element © is between shafts (1, 5); element (D) is between shafts (5, 8); and element (E) is between shafts (5, 7).

Abstract: An eight-gear transmission comprises an input and output shaft, four planetary gearsets, eight shafts and five shifting elements. A ring gear of the gearset (RS4) and the input shaft are coupled as the first shaft. A ring gear of the gearset (RS2), a carrier of the gearset (RS3), and the output shaft are coupled as the second shaft. A sun gear of the gearset (RS1) and a sun gear of the gearset (RS4) are coupled as the third shaft. A ring gear of the gearset (RS1) forms the fourth shaft. A sun gear of the gearset (RS3) forms the fifth shaft. A carrier of the gearset (RS1) and a ring gear of the gearset (RS3) are coupled as the sixth shaft. A sun gear of the gearset (RS2) and a carrier of the gearset (RS4) are coupled as the seventh shaft. A carrier of the gearset (RS2) forms the eighth shaft.

Abstract: A transmission with forward and reverse gears includes a drive and an output shaft, planetary sets, shafts and shift elements. The drive shaft communicates with a sun gear of the second planetary set and a shaft which communicates with the carrier of the first planetary set, and to the housing and is connectable with another shaft, which communicates with the carrier of the second planetary set and communicates with a shaft. This shaft communicates with sun gear of the first planetary set and the ring gear of the third planetary set. A shaft communicates with the ring gear of the second planetary set and the carrier of the third planetary set and can couple to the housing. A shaft communicates with the sun gear of the third planetary set and to the housing. The output shaft communicates with the ring gear of the first planetary set.

Abstract: A planetary gearset (2) consisting of a planetary gear carrier (4) that holds planetary gears (5) with a first and a second carrier plate (4b, 7), each having respective bores (4d, 7a) to receive planetary gear bolts (6) that can be fixed axially. It is proposed that the planetary gear carrier is connected in a rotationally fixed manner by the second carrier plate to a torque-transmitting component (8) of an adjacent shift element (3).

Abstract: The transmission has an input and output shaft, planetary gearsets, rotatable shafts, and shifting elements. A carrier of the gearset (RS4) and the input shaft are coupled to form the shaft (1). A ring gear of the gearset (RS2), a carrier of the gearset (RS3), and the output shaft are coupled to form a shaft (2). A sun gear of the gearset (RS1) and a sun gear of the gearset (RS4) are coupled to form shaft (3). A ring gear of the gearset (RS1) forms the shaft (4). A sun gear of the gearset (RS3) and a carrier of the gearset (RS2) are coupled to form the shaft (5). A carrier of the gearset (RS1) and a ring gear of the gearset (RS3) are coupled to form the shaft (6). A ring gear of the gearset (RS4) forms the shaft (7). A sun gear of the gearset (RS2) forms the shaft (8).

Abstract: A planetary gear set lubricating unit which supplies oil from inside a component adjacent the planetary gear set, via a radial bore and an oil catcher, axially through a bore of a planetary gear bolt to planetary gear bearings. The oil catcher forms a ring-shaped chamber, which can be filled with lubricant, and is arranged beside the planetary carrier approximately over the reference diameter of the planetary bolt. The oil catcher has outlet pipes extending axially to direct oil in the chamber. The oil catcher has ovular radial protrusions arranged such that a maximum radial dimension is close to the bolts and a minimum radial dimension is arranged between adjacent planetary bolts. The radially inner edge of the axial bore of the planetary bolts is radially located between the minimum and maximum dimensions of the protrusions. The chamber is delimited by a cover plate and a gasket.

Abstract: An eight-gear gearbox comprises an input shaft, an output shaft, four planetary gear sets, eight rotatable shafts and five shifting elements.

Abstract: A transmission includes planetary gearsets, shafts and shifting elements. A carrier of gearset (RS4) and the input shaft couple forming shaft (1). A carrier of gearset (RS3) and the output shaft couple forming shaft (2). A sun gear of gearsets (RS1, RS4) couple forming shaft (3). The carriers of gearsets (RS1, RS2) respectively form shafts (4, 8). A ring gear of gearset (RS2) and a sun gear of gearset (RS3) couple forming shaft (5). A ring gear of gearsets (RS1, RS3) couple forming shaft (6). A sun gear of gearset (RS2) and a ring gear of gearset (RS4) couple forming shaft (7). Element (A) is located in a direction of power flow between shaft (3) and the transmission housing, element (B) between shaft (4) and the housing, element (C) between shafts (1, 5), element (D) between shafts (2, 6) or (6, 8), element (E) between two of shafts (5, 7, 8).

Abstract: The multi-speed transmission has shafts, planetary gearsets (RS1, RS2, RS3, RS4) and shifting elements (A, B, C, D, E). Carrier (ST4) of gearset (RS4) and the input shaft couple as shaft (1). Carrier (ST3) of gearset (RS3) and the output shaft couple as shaft (2). Sun gears (SO1, SO4) of gearsets (RS1, RS4) couple as shaft (3). Ring gear (HO1) of gearset (RS1) forms shaft (4). Sun gear (SO3) forms shaft (5). Carrier (ST1) of gearset (RS1) and ring gear (HO3) of gearset (RS3) couple as shaft (6). Sun gear (SO2) of gearset (RS2) and carrier (ST4) of gearset (RS4) couple as shaft (7). Ring gear (HO2) is shaft (8). In the flow of power, elements (A, B) are respectively between shafts (3, 4) and a transmission housing; element (C) is between shafts (1, 5); element (D) is between shafts (2, 8); and element (E) is between shafts (5, 7).

Abstract: A positively-locking connection between two components of a transmission that have round cross-sections, designed to support axial forces. A first component to be connected has an annular flange with windows stamped out around its circumference. The windows enable simple deformation of the annular flange. The second component to be connected has an annular groove such that after bringing the two components together, the annular flange of the first component, when viewed axially, is positioned over the annular groove of the second component, such that the annular flange of the first component can be pressed radially into the annular groove of the second component so that segments of the annular flange radially engage the annular groove.