Abstract: A drive system for a vehicle that includes a transmission with three forward and three reverse gears. The transmission is optionally coupled to an electric motor as part of a fully electric or hybrid drive system. The transmission optionally includes a first and a second planetary gearset, a first and a second brake, and a clutch. The system may be configured to separately engage the first or second brakes, or the clutch, and may be arranged to provide separate gear ratios as each is engaged and disengaged separately. A single electric motor may be provided with a single transmission, or multiple electric motors may be included to individually drive multiple separate tires, tracks, or other ground engaging elements. Single or multiple motors may be arranged upstream or downstream of the transmission, and they may be aligned parallel with or perpendicular to a drive axle.

Abstract: A transmission, a power-driven system, and a vehicle are provided. The transmission includes a first planetary gear mechanism, a second planetary gear mechanism, an input shaft, an intermediate shaft, a first synchronizer, and a second synchronizer. A second planet carrier in the second planetary gear mechanism is connected to an output end of the transmission. The input shaft is connected to a first sun gear. A first ring gear is connected to the intermediate shaft. The intermediate shaft is connected to a second sun gear. The first synchronizer secures a first planet carrier to a housing of the transmission or connects the first planet carrier to the first sun gear. The second synchronizer secures a second ring gear to the housing of the transmission or connects the second ring gear to the first ring gear.

Abstract: A drive train (10) for driving a motor vehicle has a combustion engine (12) for providing purely mechanical drive for the motor vehicle. A transmission (16) can be coupled to the combustion engine (12) via a shaft unit (14) for transmitting torque between the motor vehicle transmission (16) and the combustion engine (12). A reserve volume (18) is between the combustion engine (12) and the motor vehicle transmission (16) and is penetrated by the shaft unit (14). The reserve volume (18) can accommodate a high-voltage electric machine for purely electric drive of the motor vehicle or a low-voltage electric machine (32) for applying an electrically generated assistance torque to the motor vehicle transmission (16). As a result, a hybrid functionality can be made available to an at least limited degree, with the result that a cost-effective drive train (10) configured for a hybrid motor vehicle is made possible.

Abstract: An automatic transmission includes: first, second, and third planetary gear sets each having three rotating elements; seven coupling elements variably providing a frictional force; and seven shafts. In particular, a first shaft is fixedly connected to a second rotating element of the third planetary gear set and an input shaft, a third shaft is fixedly connected to a third rotating element of the second planetary gear set, a fourth shaft is fixedly connected to a first rotating element of the second planetary gear set and a third rotating element of the third planetary gear set, a sixth shaft is directly connected to a first rotating element of the third planetary gear set and a transmission casing, a seventh shaft is fixedly connected to a third rotating element of the first planetary gear set and an output shaft, and remaining two shafts are selectively fixed to the transmission casing.

Abstract: A four-speed transaxle for an electric vehicle comprises four planetary gear sets that is operatively connected to an electric motor, four electric caliper brake systems and one stage gears. The four-speed transaxle produces its first speed ratio when a first and third electric caliper brake systems are disengaged and a second and fourth electric caliper brake systems are engaged. Second speed ratio results when the first and fourth electric caliper brake systems are engaged and the second and third electric caliper brake systems are disengaged. Third speed ratio results when the second and third electric caliper brake systems are engaged and the first and fourth electric caliper brake systems are disengaged. Fourth speed ratio is produced when the first and third electric caliper brake systems are engaged and the second and fourth electric caliper brake systems are disengaged.

Abstract: A modular transmission assembly facilitates its use in all classes of trucks. The transmission is designed to receive one, two or three inputs. In addition, it can add torque multiplying gearsets when needed. The transmission assembly utilizes two gearsets configured in ring-carrier/ring-carrier configuration to operate as a four-node transmission. Two input shafts are coaxial with one inside the other (input shaft 1 inside input shaft 2) allowing torque from the second input to be received directly at the output shaft of the transmission. The transmission includes two controllable clutches coupling the second input with the two gearsets. Two controllable brakes selectively couple various gears of the gearsets to ground. Controlling the clutches and brakes controls the torque of the output shaft as a function of torques received by the first and second input shafts.

Abstract: A planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting torque; a first planetary gear set including first, second, and third rotation elements; a second planetary gear set including fourth, fifth, and sixth rotation elements; a third planetary gear set including seventh, eighth, and ninth rotation elements; a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements; a fifth planetary gear set including thirteenth, fourteenth, and fifteenth rotation elements; three clutches, each connecting any tow rotation elements among the first to the fifteenth rotation elements; and three brakes, each connecting any one rotation element among the first to the fifteenth rotation elements to a transmission housing.

Abstract: A transmission arrangement for a vehicle includes a first, a second, a third, and a fourth planetary gear set including a sun gear, a planet carrier and a ring gear, respectively, wherein the transmission arrangement further includes a transmission housing, an input shaft and an output shaft, wherein two of the sun gear, the planet carrier and the ring gear of the fourth planetary gear set are each operatively connected to a respective one of the input shaft, the sun gear, the planet carrier and the ring gear of the third planetary gear set.

Abstract: A planetary gear train may include input and output shafts, first to fourth planetary gear sets having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements, a first shaft fixedly connected to the fourth and tenth elements, and selectively connectable to the input shaft, a second shaft fixedly connected to the third element, and selectively connectable to the input shaft, a third shaft fixedly connected to the eleventh element the output shaft, a fourth shaft fixedly connected to the first, sixth, and ninth elements, a fifth shaft fixedly connected to the eighth and twelfth elements, and a plurality of shafts each of which is selectively connectable to the transmission housing and fixedly connected to an element of the first, second and third planetary gear sets which is not fixedly connected to any of the first to seventh shafts.

Abstract: A planetary gear train includes input and output shafts, first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. The planetary gear train includes a first shaft connected with the first element and the sixth rotational element, and selectively connected with the input shaft, a second shaft connected with the ninth element and selectively connected with the input shaft, a third shaft connected with the eleventh element and the output shaft, a fourth shaft connected with the second, fifth, and twelfth rotational elements, a fifth shaft connected with the fourth and seventh rotational elements. The planetary gear train includes a plurality of additional shafts each selectively connecting a corresponding element to a transmission housing, the corresponding element being an element of the first, third, and fourth planetary gear sets that is not interconnected.

Abstract: A multi-stage transmission includes an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set. Each planetary gear set includes three rotating elements. Six shifting elements are connected to the rotating elements of the first, the second, the third and the fourth planetary gear sets. A first rotating element of the first planetary gear set is fixedly connected to a first rotating element of the second planetary gear set and a second rotating element of the third planetary gear set and is selectively connected to the input shaft. A second rotating element thereof is fixedly connected to a third rotating element of the third planetary gear set and a third rotating element of the fourth planetary gear set. A third rotating element thereof is selectively connected to the input shaft.

Abstract: A planetary gear train is provided. The gear train includes input and output shafts and first to fourth planetary gear sets that respectively have first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. A first shaft is connected with the first and fourth elements and selectively connected with the input shaft, a second shaft is connected with the sixth element and selectively connected with the input shaft, a third shaft is connected with the eighth element and the output shaft, a fourth shaft is connected with the second, fifth, and ninth elements, and a fifth shaft is connected with the third and eleventh elements. A plurality of shafts are each selectively connected to the transmission housing and connected to an element of the third and fourth planetary gear sets that is not connected with any of the first to seventh shafts.

Abstract: A transmission assembly for a drive train of a vehicle for connecting a drive motor to a traction drive of the vehicle, includes a main shift transmission with multiple transmission-ratio stages, wherein multiple shift states of the main shift transmission can be connected by a shifting, as required, by means of shift points of one or more transmission-ratio stages, and a planetary gear, wherein the main shift transmission and the planetary gear are drivingly connected or can be connected as required to each other by means of two connection shafts.

Abstract: A multi-stage transmission that includes a case including an annular support that extends radially inward from an inner peripheral surface of the case; a first planetary gear mechanism that includes a plurality of rotating elements and to which power is transmitted from the input member; a second planetary gear mechanism that is disposed on an opposite side of the support of the case from the first planetary gear mechanism; a clutch that interconnects any one of the rotating elements of the first planetary gear mechanism with an element to be connected which is included in the second planetary gear mechanism and releases this interconnection; and a brake that connects the element to be connected to the case to hold this element stationary and releases this connection.

Abstract: The present disclosure provides a planetary gear train of an automatic transmission for a vehicle. The planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting changed torque; a first planetary gear set including first, second, and third rotation elements; a second planetary gear set including fourth, fifth, and sixth rotation elements; a third planetary gear set including seventh, eighth, and ninth rotation elements; a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements. The planetary gear train improves power delivery performance and fuel economy by achieving at least eleven forward speed stages and widening speed ratio (or gear ratio) with a reduced number of constituent elements being used, and secures linearity of step ratios.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting changed torque, a first planetary gear set including a first rotation element, a second rotation element, and a third rotation element, a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element, a third planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element, a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element, and first, second, third, fourth, fifth, sixth, and seventh rotation shafts connected to at least one of the first to twelfth rotation elements.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third planetary gear set, an input shaft, an output shaft disposed in parallel with the input shaft, a first shaft selectively acting as a fixed element, a second shaft directly connected with the input shaft, a third shaft, a fourth shaft selectively connectable with the second shaft, a fifth shaft selectively engaged with the output shaft, a sixth shaft selectively engaged with the output shaft, and transfer gears, each gear-meshed with one of the shafts.

Abstract: A transmission for a motor vehicle includes a first planetary gear set with at least three central gears which are formed by a ring gear and two sun gears or by two ring gears and one sun gear. A second planetary gear set includes two central gears which are formed by one ring gear and one sun gear. One of the central gears of the second planetary gear set is constantly connected in a torque-proof manner to one of the central gears of the first planetary gear set. The one of the central gears of the first planetary gear set differs from and is arranged in a common gear set plane with the one of the central gears of the second planetary gear set. A carrier of the first planetary gear set is constantly connected in a torque-proof manner to a carrier of the second planetary gear set.

Abstract: A planetary gear train of an automatic transmission for a vehicle is provided that realizes at least ten forward speeds to improve power delivery performance and fuel consumption due to multi-stages. In particular, the planetary gear train includes an input shaft, an output shaft, four planetary gear sets respectively having three rotational elements, and six control elements for selectively interconnecting the rotational elements and a transmission housing.

Abstract: A planetary gear train of an automatic transmission for a vehicle, the planetary gear train may include an input shaft receiving power from an engine, an output shaft outputting shifted power of the engine, a first planetary gear set including first, second, and third rotating elements, a second planetary gear set including fourth, fifth, and sixth rotating elements, a third planetary gear set including seventh, eighth, and ninth rotating elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotating elements, and six control elements which are disposed at positions where at least one of the rotating elements is selectively connectable with another of the rotating elements or disposed at positions where rotating elements are selectively connectable to a transmission housing.

Abstract: A planetary gear train of an automatic transmission for a vehicle provides at least ten forward speeds and one reverse speed by operating rotational elements of five planetary gear sets by controlling three clutches and three brakes. The planetary gear train further includes input and output shafts, and nine shafts. In particular, two shafts selected from the nine shafts are selectively connected to a transmission housing via the corresponding brakes, and also respectively connected to a corresponding rotation element of third and fourth planetary gear sets that is unconnected to another rotational element selected from the rotational elements of the five planetary gear sets.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft; an output shaft; a first to fourth planetary gear sets and six control elements disposed at portions selectively connecting between the rotation elements or disposed at portions selectively connecting between the rotation elements and a transmission housing, wherein the input shaft is continuously connected to the second rotation element, the output shaft is continuously connected to the eleventh rotation element, the first rotation element is continuously connected to the fourth rotation element, the fifth rotation element is continuously connected to the eighth rotation element, the sixth rotation element is continuously connected to the eleventh rotation element, the ninth rotation element is continuously connected to the tenth rotation element, the ninth rotation element is selectively connected to the transmission housing, and the six control elements are selectively operated in combination of three of the six c

Abstract: A gear mechanism of a power train includes first and second planetary gear mechanisms, which respectively include first to third rotating elements and fourth to sixth rotating elements which are each different to each other. The transmission section transfers the drive force of the second rotating element to the fourth rotating element. A rotating shaft fixing section of a power train integrally operates the rotating shafts of the third and fifth rotating elements. A variable transmission section of a power train includes an input section where drive force is input and an output section configured to output drive force equal to or less than the input drive force. A drive force conversion control section of a controller controls the variable transmission section to enable the output of the engine to be converted to an appropriate drive force and the converted drive force to be transferred to the output shaft.

Abstract: The present disclosure provides a planetary gear train of an automatic transmission for a vehicle. The planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting changed torque; a first planetary gear set including first, second, and third rotation elements; a second planetary gear set including fourth, fifth, and sixth rotation elements; a third planetary gear set including seventh, eighth, and ninth rotation elements; a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements.

Abstract: A clutch latching system is provided for latching and draining a torque transmitting mechanism. The latching clutch control system may include a latching valve, a release valve, and an accumulator. The clutch latching system may include a clutch feed channel configured to provide hydraulic fluid from a pressurized source to a torque transmitting device when the torque transmitting device is engaged and the engine is running. A latching valve connects the clutch feed channel to the torque transmitting device. The latching valve is configured to selectively trap pressurized hydraulic fluid within the torque transmitting device. A hydraulic pressure storage circuit configured to selectively provide pressurized hydraulic fluid to the latching valve to unlatch the latching valve. A multiple speed transmission is also provided.

Abstract: A planetary gear set of an automatic transmission for a vehicle may include an input shaft, an output shaft, a first planetary gear set including first, second, and third rotational elements, a second planetary gear set including fourth, fifth, and sixth rotational elements, a third planetary gear set including seventh, eighth, and ninth rotational elements, six control elements for selectively interconnecting the rotational elements, a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, a fifth connecting member, a sixth connecting member, and a seventh connecting member.

Abstract: A planetary gear train of claim of an automatic transmission for a vehicle may include an input shaft for receiving an engine torque, an output shaft for outputting a shifted torque, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first shaft, a second shaft directly connected with the input shaft, a third shaft, a fourth shaft, a fifth shaft selectively connectable with the fourth shaft, a sixth shaft selectively connectable with the fourth shaft, a seventh shaft selectively connectable with the sixth shaft, and an eighth shaft directly connected with the output shaft, and selectively connectable with the fifth shaft.

Abstract: A planetary gear train of an automatic transmission includes an input shaft; an output shaft; a first planetary gear set having first to third rotating elements; a second planetary gear set having fourth to sixth rotating elements; a third planetary gear set having seventh to ninth rotating elements; a fourth planetary gear set having tenth to twelfth rotating elements; and seven control elements, wherein the input shaft is continuously connected with the second rotating element, the output shaft is continuously connected with the eleventh rotating element, the second rotating element is continuously connected with the fourth rotating element, the third rotating element is continuously connected with the tenth rotating element, the sixth rotating element is continuously connected with the seventh rotating element, the ninth rotating element is continuously connected with the twelfth rotating element, the third rotating element and the eighth rotating element are selectively connected.

Abstract: A power transmission system that includes a torque converter; a transmission having a planetary gear; a case configured to accommodate the torque converter and the transmission; a support having a wall that is fixed to the case between the torque converter and the transmission and a tube that extends in an axial direction from an inner circumferential portion of the wall; a stator shaft that is connected to a stator of the torque converter via a one-way clutch; and a tubular connector that connects the support and a stationary element of the planetary gear together.

Abstract: A multi-speed transmission for a motor vehicle includes a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes. The sun gear of the fourth planetary gear set is connected to the housing. The planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the drive shaft. The second brake is connected to the sun gear of the second planetary gear set. The first brake is connected to the ring gear of the second planetary gear set. The ring gear of the fourth planetary gear set is connected to the planetary carrier of the second planetary gear set.

Abstract: A transmission includes a drive train having a primary drive with a primary drive shaft (16), particularly for a vehicle, and includes a Ravigneaux planetary gearset (2) which has a double planetary gear with two sun gear shafts (10, 13), one planetary carrier shaft (18) and at least one ring gear shaft (12), as well as an upstream single planetary gearset (3) which is designed as a reduction gearing and includes the gear elements of sun gear (5a), planetary carrier (8a) and ring gear (6a). A first of the gear elements of the single planetary gear set (2), particularly the sun gear (5a), is designed to be fixed to a housing. At least one first element of the Ravigneaux planetary gear set (2) is drive-connected, preferably permanently, to a secondary drive (21) which is particularly preferred to be in the form of an electrical machine.

Abstract: A planetary gear train of an automatic transmission may include: an input shaft; an output shaft; first to third planetary gear sets and six control elements disposed between rotating elements, and disposed at portions where rotating elements are selectively connected to transmission housing, first rotating shaft including first rotating element and ninth rotating element and selectively connected with input shaft; second rotating shaft including second rotating element and fourth rotating element; third rotating shaft including third rotating element and selectively connected with input shaft or transmission housing; fourth rotating shaft including fifth rotating element; fifth rotating shaft including sixth rotating element and directly connected with transmission housing; sixth rotating shaft including seventh rotating element and selectively connected with second rotating shaft or fourth rotating shaft; and seventh rotating shaft including eighth rotating element and selectively connected with second rota

Abstract: A planetary gear train of an automatic transmission may include: an input shaft; an output shaft parallel with the input shaft; a first planetary gear set on the input shaft including a first, second and third rotation elements, the first selectively connected to the input shaft, and the third selectively connected to the input shaft; a second planetary gear set on the output shaft including a fourth, fifth and sixth rotation elements, the first selectively connected to the input shaft through two gear ratio paths and selectively connected to a transmission housing, the fifth selectively connected to the input shaft and the transmission housing, and the sixth connected to the second rotation element and directly connected to the output shaft; four transfer gears; and frictional elements including clutches and brakes.

Abstract: The invention relates to a 9-speed transmission made up of two simple planetary gear sets including a drive group and an output group designed as a Ravigneaux set having six shift elements, namely three clutches and three brakes, certain specific embodiments being expandable to form an 11-speed transmission by adding a fourth brake.

Abstract: A transmission for motor vehicles includes a drive shaft; an output shaft; a housing (GE); six shift elements in the form of a first brake (B1) and a second brake (B2) along with a first clutch (K1), a second clutch (K2, K2?, K2?, K2??, K2??, K2???), a third clutch (K3) and a fourth clutch (K4, K4?); a first planetary gear set (PR1), a second planetary gear set (PR2) and a third planetary gear set (PR3). The shift elements are selectively actuated, by which ten forward gears and one reverse gear can be realized through different transmission ratio relationships between the drive shaft and the drive shaft. The drive shaft and the output shaft are arranged in a manner axially offset to each other and the drive shaft is connectable to a planetary carrier (PT1) of the first planetary gear set (PR1) through the third clutch (K3) and the planetary carrier (PT1) of the first planetary gear set (PR1) is connectable to the housing (GE) by means of the second brake (B2).

Abstract: A planetary gear train may include an input shaft into which power of an engine may be input, a first planetary gear set including a first sun gear, a first planetary carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planetary carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planetary carrier, and a third ring gear, and a fourth planetary gear set including a fourth sun gear, a fourth planetary carrier, and a fourth ring gear, and first to eighth rotational shafts.

Abstract: An automatic transmission includes: an input shaft connected to a driving source; an output shaft provided coaxially with the input shaft and connected to a differential mechanism; double pinion type first and second planetary gear sets; single pinion type third and fourth planetary gear sets; first to third clutches each configured to connect and disconnect predetermined rotational elements of the planetary gear sets to and from each other; and first and second brakes configured to connect and disconnect a predetermined rotational element of the planetary gear set to and from a transmission case. When the first to third clutches are engaged, and the first and second brakes are released, an eighth gear stage whose reduction ratio is 1 is formed.

Abstract: A drive control device for a hybrid vehicle is provided with a differential device including four rotary elements; and an engine, first and second electric motors and an output rotary member respectively connected to the four rotary elements. One of the four rotary elements is constituted by a rotary component of a first differential mechanism and a rotary component of a second differential mechanism selectively connected through a clutch, and one of the rotary components is selectively fixed to a stationary member through a brake. The drive control device releases one of the clutch and the brake when the engine is started in a drive mode in which the engine is at rest while the clutch and the brake are in an engaged state, selecting the one of the clutch and the brake to be released, depending upon a drive force generated during starting the engine.

Abstract: A transmission having a drive input shaft (AN), a drive output shaft (AB), a housing (G), at least two planetary gearsets (PR1, PR2), and at least three shifting elements (A, B, C) whose selective engagement produces various transmission ratios between the drive input shaft (AN) and the drive output shaft (AB), so that at least three gears can be obtained. To obtain a gear in each case, two shifting elements are engaged and a further shifting element is disengaged.

Abstract: A power transmitting that includes an epicyclic multi-speed transmission that employs friction to torsionally ground one or more elements of the transmission to either inhibit their rotation or to couple the elements together for common rotation. The epicyclic multi-speed transmission avoids clutch configurations that employ stationary clutch packs that are configured to exert force on a rotatable element of the transmission through a thrust bearing, as well as clutch configurations that employ a hydraulically operated piston that rotates with a clutch pack, to reduce drag force and eliminate the need for rotary seals.

Abstract: A multi-stage transmission for a vehicle may include an input shaft and an output shaft, a first planetary gear device, a second planetary gear device, a third planetary gear device, and a fourth planetary gear device provided between the input shaft and the output shaft to transfer a torque and each including three rotating elements, and at least six shifting elements connected to the rotating elements of the first to fourth planetary gear devices.

Abstract: A drive apparatus for a hybrid vehicle includes: an engine applying a drive force to drive wheels via a drive shaft; a motor applying a drive force to the drive wheels via a rotation shaft; a planetary gear mechanism having first, second, and third elements lining up sequentially with a gap interposed therebetween corresponding to a gear ratio; and an automatic transmission having input and output shafts rotatably connected to the drive wheels, and changing a gear ratio obtained by the division of the rotation speed of the input shaft by the rotation speed of the output shaft, wherein the input and drive shafts are connected to the second element, the output shaft and one end of the rotation shaft are connected to the first element, and the output shaft and the other end of the rotation shaft are connected to the third element.

Abstract: A multistage automatic transmission may include an input shaft, a first composite planetary gear set including first and second planetary gear sets, each of the first and second planetary gear sets including three rotary members, a first brake, a first clutch, a second brake, a second clutch selectively connecting a pair of rotary members of the first composite planetary gear set that are selectively connected to each other, and a second composite planetary gear set arranged coaxially with the input shaft and including a plurality of rotary members, wherein the plurality of rotary members include a rotary member connected to the first composite planetary gear set, a rotary member connected to the input shaft, and a further rotary member connected to an output shaft, at least two rotary members of the plurality of rotary members in the second composite planetary gear set being connected to two friction members.

Abstract: A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract: A multistage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. The input shaft couples the carrier of gearset (P1) and, via clutch (15), can couple shaft (5) which couples, via clutch (59), shaft (9) which couples the sun gear of gearset (P3) and, via clutch (58), can couple shaft (8) and the ring gear of gearset (P2). The ring gear of gearset (P1) couples shaft (6) connected to the sun gear of gearset (P2). Shaft (3) couples the sun and ring gears of respective gearsets (P1, P3) and can couple, via brake (03), the housing (G). The carrier of gearset (P2) couples shaft (4), gear stage (S1) and the output shaft. The carrier of gearset (P3) couples shaft (7), gear stage (S2) and the output shaft. The clutch (56) couples shafts (5, 6) to block gearset (P2).

Abstract: A planetary gear train of an automatic transmission for a vehicle may include: an input; an output; a first planetary gear set on the input including a first rotation element selectively connected to the input and selectively operated as a fixed element, a second rotation element selectively connected to the input and a third rotation element; a second planetary gear set on the output including a fourth rotation element connected to the second rotation element and selectively operated as a fixed element, a fifth rotation element connected to the third rotation element and directly connected to the output, and a sixth rotation element selectively connected to the input; four transfer gears; and frictional elements including clutches connecting the input and the rotation elements of the first and second planetary gear sets, and brakes connecting the rotation elements of the first and second planetary gear sets and a transmission housing.

Abstract: A steering apparatus is capable of configuring an electrically operated tilt mechanism, which is interchangeable with a manually operated tilt mechanism, and which is small in size and easily mounted on a vehicle. A tilt bracket holding a steering column and supported on the fixing bracket to be relatively movable thereto, and a tilt shaft extending in a lateral direction of the vehicle body and supported on the fixing bracket to be relatively movable thereto in an axial direction of the steering column are provided. By way of a driving unit, the tilt bracket is rotated about the tilt shaft axis to adjust a relative position of the tilt shaft to the fixing bracket. Furthermore, a tilt slider is disposed between an elongated hole on the fixing bracket and the tilt shaft, and a biasing member biasing the tilt slider in the axial direction of the tilt shaft.

Abstract: A multi-stage transmission having eight forward and one reverse gear, including planetary gearsets, shafts and shift elements. The sun gear of gearset (P1) is connected to shaft (3) and the ring gear of gearset (P3) and can couple the housing via brake (03). The input shaft couples the carrier of gearset (P1) and can couple, via clutch (15), shaft (5) which couples the ring and sun gears of respective gearsets (P2, P3). The ring gear of gearset (P1) couples shaft (6), which can couple, via clutch (67), shaft (7), which couples the sun gear of gearset (P2). Shaft (8) couples the carrier and sun gear of respective gearsets (P3, P4). Shaft (4) couples the carrier of gearset (P4) and can couple, via brake (04), the housing. The output shaft couples the ring gear of gearset (P4) and the carrier of gearset (P2). Clutch (56) can connect shafts (5, 6).

Abstract: A multi-stage transmission with eight forward and one reverse gear including planetary gearsets, shafts, and shift elements. The sun gear of gearset (P1) couples shaft (3) and the ring gear of gearset (P4) and can couple the housing via brake (03). The drive shaft couples the carrier of gearset (P1) and can couple shaft (5) via clutch (15). Shaft (5) couples the ring and sun gears of respective gearsets (P2, P4). The ring gear of gearset (P1) couples shaft (6) and the sun gear of gearset (P2). Shaft (8) couples the carrier and sun gears of respective gearsets (P4, P3). Shaft (4) couples the carrier of gearset (P3) and can couple the housing via brake (04). Output shaft couples the ring gear of gearset (P4) and can couple, via clutch (27), shaft (7), which couples the carrier of gearset (P2). Clutch (67, 56, 57) engages to block gearset (P2).

Abstract: A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches, a one-way clutch and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and at least one reverse gear ratio.