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.

Abstract: A multi-stage transmission having eight forward and one reverse gear including planetary gears, shafts, and shift elements. The sun gear of gearset (P1) couples the third 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 sun gear of gearset (P3) and can couple, via clutch (57), shaft (7) that couples the ring gear of gearset (P3). Shaft (6) couples the ring and sun gears of respective gearsets (P1, P2). Shaft (8) couples the carrier and the 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) detachably connects shafts (5, 6).

Abstract: A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three couplers in various combinations. Each disclosed transmission includes four planetary gear sets and six couplers. Three of the couplers may be brakes. Three of the couplers may selectively couple planetary elements to the input shaft.

Abstract: A transmission assembly for use in a motor vehicle is provided. The transmission assembly has a case for housing components of the transmission and an electromechanical device operable to convert mechanical energy to electrical energy. The electromechanical device is disposed within the transmission case. The case may have a main housing portion and a bell housing portion, with the electromechanical device housed in the main housing portion, in some variations. A transmission shaft may be rotatably supported within the case and configured to be connected to an engine of the motor vehicle. A connecting device may continuously interconnect the electromechanical device with the transmission shaft.

Abstract: An automatic transmission (11) includes a planetary gear set (PS), first to third clutches (C-1 to C-3), first to third brakes (B-1 to B-3), and a counter gear (100) that outputs shifted rotation. The counter gear (100) is placed axially on one side of the planetary gear set (PS), and the second brake (B-2) is placed axially on the opposite side from of the counter gear (100) from the planetary gear set (PS). The second brake (B-2) that does not make higher speed rotation than other clutches and brakes can thus be separated from the planetary gear set (PS), and other clutches and brakes and the counter gear (100) are arranged near the planetary gear set (PS). Thus, members having a large thickness are reduced in length, whereby the automatic transmission is made compact and reduced in weight.

Abstract: A planetary gear train of an automatic transmission for a vehicle include: an input shaft; an output shaft; a first compound planetary gear set combining first and second planetary gear sets and firstly changing torque input through one input path and two variable input paths into six speeds; a second compound planetary gear set combining third and fourth planetary gear sets, secondly changing the six speeds a rotation speed of the input shaft input through one variable input path into eleven forward speeds and reverse speed, and finally outputting the changed rotation speed; and friction members including clutches interposed between two rotation shafts or between a rotation shaft and the input shaft, and brakes interposed between a rotation shaft and a transmission housing.

Abstract: Disclosed is a transmission apparatus comprising: a sun gear connected to the input terminal; a plurality of first planetary gears engaging with an outer surface of the sun gear; a second planetary gear which forms a concentric circle with each first planetary gear, and which is integrally formed with the first planetary gears; a first ring gear engaging with outer surfaces of the first planetary gears and connected to the output terminal; a second ring gear engaging with an outer surface of the second planetary gear; a cage for supporting rotary shafts of the first and second planetary gears such that the first and second planetary gears can revolve about the sun gear; and a brake member.

Abstract: An automatic transmission includes an input shaft, first, second, third, and fourth planetary gear sets, a plurality of engagement mechanisms, and an output member. The input shaft is rotatably supported inside a transmission case to be rotated by a driving force received from a drive source. The first, second, third, and fourth planetary gear sets are arranged in sequence along an axis line of the input shaft and each include three elements having a sun gear, a carrier, and a ring gear. The plurality of engagement mechanisms each releasably connect two of the three elements with each other or releasably connect one of the three elements to the transmission case. The output member is disposed on outer circumferences of the second and third planetary gear sets and connected to the ring gear of one of the second and third planetary gear sets to output rotation of the input shaft.

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

Abstract: A family of transmission gearing arrangements each establish at least one reverse gear ratio and between nine and fifteen forward gear ratios. A shiftable gearing arrangement establishes a variety of gear ratios speed ratio between the input and a first shaft. In some embodiments, a fixed speed ratio is established upstream or downstream of the shiftable gearing arrangement. In reverse and low gear ratios, a low clutch couples the first shaft to the output. In the high gear ratios, a combining planetary gear set establishes a linear speed relationship between the first shaft, a second shaft rotating at a speed proportional to the input, and the output.

Abstract: A rear wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing. Each of the clutches and brakes are located within specific areas defined by the planetary gear sets and the housing walls.

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 and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract: A range-change transmission having a main transmission, an upstream splitter group and a downstream range group. The main transmission comprises planetary gearsets (PS2, PS3). A ring gear of gearset (PS2) is rotationally fixed to an input shaft of the main transmission. A planetary carrier of gearset (PS2) is fixed, via an intermediate shaft, to the sun gear of gearset (PS3). By way of one dual shifting element, the sun gear of gearset (PS2) can be selectively locked to the housing or rotationally fixed to the intermediate shaft. By way of two single shifting elements, the planetary carrier of gearset (PS3) can be locked to the housing or rotationally fixed to the output shaft of the main transmission. By way of another dual shifting element, the ring gear of gearset (PS3) can be locked to the housing or rotationally fixed to the output shaft of the main transmission.

Abstract: A transmission having four planetary gearsets, and shafts and shift elements. Sun gear of gearset (P1) couples shaft (5), which couples ring gear of gearset (P3) and is connectable via clutch (58) to shaft (8), which couples carrier of gearset (P2) and is connectable via clutch (78) to shaft (7), which couples sun gears of gearsets (P3, P4). Carrier of gearset (P1) couples the drive shaft, which couples ring gear of gearset (P2). Sun gear of gearset (P2) couples shaft (9), which is connectable via clutch (39) to shaft (3), which couples carrier of gearset (P3) and is connectable to housing (G) via brake (03). Carrier and ring gear of gearset (P4) couple, respectively output shaft and shaft (4), which is connectable to housing (G) via brake (04). The output shaft is connectable via clutch (26) to shaft (6), which couples ring gear of gearset (P1).

Abstract: A transmission is provided having an input member, an output member, at least three 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 at least ten forward gear ratios and one reverse gear ratio.

Abstract: A transmission comprising a transmission (7) and a reduction stage. Sun of set (P1) is connected to the input (1), which can be releasably connected, via clutch (A), to shaft (6) connected to sun of set (P2) and sun of set (P3), and, via clutch (B), is connectable to shaft (5) connected to carrier of set (P2) and ring of set (P3). Shaft (5) is coupled to housing (G) via brake (F). Carrier of set (P1) is connected to shaft (4) connected with ring of set (P2) and is couplable, via brake (E), to housing (G). Ring of set (P1) is connected to shaft (3) which is couplable, via brake (D), to housing (G). Output (2) is connected to carrier of set (P3). Carrier of set (P4) is connected to output (2), ring of set (P4) is couplable, via brake (H), to housing (G), and sun of set (P4) is connected to the shaft (6).

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. The torque transmitting devices include a selectable one-way clutch.

Abstract: A transmission includes an input and output member, four planetary gear sets each having first, second and third members, five interconnecting members continuously interconnecting members of the four planetary gear sets and six torque transmitting mechanisms selectively engageable to interconnect one of the first members, second members, and third members with at least one of another of the first members, second members, third members, and a stationary member. The torque transmitting mechanisms are selectively engageable in combinations of at least two to establish at least nine forward speed ratios and at least one reverse speed ratio between the input member and the output member.

Abstract: A compact five-speed transmission planetary gear train includes a first, second, third, fourth and fifth planetary gear sets between an input and an output as well as first, second, third and fourth brakes and first and second clutches. The first, second, third and fourth brakes and first and second clutches are selectively actuatable to provide five different forward speeds and a plurality of different reverse speeds between the input and the output.

Abstract: A method is provided for shifting a transmission 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. At least one of the torque transmitting devices is a dog clutch or a band clutch. The method includes applying a torque transmitting mechanism to interconnect a first member of a planetary gear set with another member of a planetary gear set or a stationary member. The method also includes applying the dog clutch or band clutch to interconnect a second member of a planetary gear set with another member of a planetary gear set or the stationary member, after the first torque transmitting mechanism is applied. After the dog or band clutch is applied, the torque transmitting mechanism is released.

Abstract: A transmission is provided having an input member, an output member, at least three 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 at least ten forward gear ratios and one reverse gear ratio. At least one of the torque transmitting mechanisms includes a backing plate having an annular outlet for distributing cooling fluid.

Abstract: An automatic transmission includes an input shaft, an output member, a first planetary gear system, a second planetary gear system, a third planetary gear system, a fourth planetary gear system, and an engagement mechanism. The input shaft is configured to be rotated with power of a driving source relative to the transmission case. The output member is to output rotation of the input shaft using multiple gear-shifting. The multiple gear-shifting is provided by setting at least three of first to third clutches and first to third brakes in a connection state.

Abstract: A transmission includes an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The transmission input member is connected to a launch device that includes a planetary gear set connected with a pump or a pump having a rotatable housing connected to an engine and a rotor connected to the transmission input member. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices are for example clutches and brakes.

Abstract: An automatic transmission is configured to achieve at least ten forward speeds and one reverse speeds. This is achieved through the use of two planetary gear sets with a plurality of clutches and brakes configured to operably couple different components of the two planetary gears to achieve different speeds. For example, operation of a first clutch inputs decelerated rotation of a reduction planetary gear to a third sun gear. Operation of a second clutch transmits from an input shaft to a third ring gear, a third clutch inputs decelerated rotation of the reduction planetary gear to the second sun gear, a fourth clutch transmits from the input shaft to the second carrier, a first brake prevents a second sun gear from rotating, a second brake prevents a carrier from rotating, a third brake capable prevents a third ring gear from rotating.

Abstract: A continuously variable transmission may include a shift belt apparatus and a forward/reverse control apparatus. The forward/reverse control apparatus may include a planetary gear set consisting of first and second planetary gear sets, first clutch, and first and second brakes. The planetary gear set may include a first rotation element directly connected to an input shaft so as to be always operated as an input element, a second rotation element selectively connected to the input shaft through the first clutch so as to be operated as a selective input element and selectively connected to a transmission housing through the second brake so as to be operated as a selective fixed element, a third rotation element directly connected to an output shaft so as to be always operated as an output element, and a fourth rotation element selectively connected to the transmission housing through the first brake so as to be operated as a selective fixed element.

Abstract: A planetary gear train may include input shaft, output shaft, first planetary gear set disposed on the input shaft and including first rotation element selectively connected to the input shaft or transmission housing, second rotation element selectively connected to the input shaft or the transmission housing, and third rotation element connected to the output shaft, second planetary gear set disposed on the output shaft and including fourth rotation element selectively connected to the input shaft and connected to the first rotation element, fifth rotation element connected to the third rotation element and directly connected to the output shaft, and sixth rotation element selectively connected to the input shaft, three transfer gears, and six frictional elements including four clutches selectively connecting the first, second, fourth, and sixth rotation elements to the input shaft and two brakes selectively connecting the first and second rotation elements to the transmission housing respectively.

Abstract: A transmission is provided having an input member, an output member, a planetary gear set assembly, two 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 and the planetary gear set assembly includes first, second, third and fourth 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 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 at least nine forward gear ratios and one reverse gear ratio.

Abstract: A multi-step transmission having a housing accommodating eight shafts and four planetary gearsets (4, 5, 6, 7), and at least six shift elements comprising brakes and clutches which implement different transmission ratios between a drive shaft and output shaft. A carrier of gearset (4) is connected to shaft (14) which can be fixed, via brake (8), to the housing and further is connectable, via a first clutch, to shaft (15) which is coupled to a carrier of gearset (5) and is connectable, via a second clutch, to the drive shaft. A ring gear of gearset (6) is coupled to shaft (16) which can be fixed, via brake (9), to the housing. The drive shaft is additionally coupled to a sun gear of gearset (5). A ring gear of gearset (5) is connected to shaft (17). The gearset (5) is a plus planetary gearset.

Abstract: A powertrain has an input member, an output member, a stationary member, and a motor/generator. The powertrain includes a hybrid transmission with a first and a second planetary gear set. In some embodiments, a third planetary gear set is added. The motor/generator is continuously connected for common rotation with the first member of the second planetary gear set. A first interconnecting member continuously connects the second member of the first planetary gear set for common rotation with the third member of the second planetary gear set. A second interconnecting member continuously connects the third member of the first planetary gear set for common rotation with the second member of the second planetary gear set. A torque-transmitting mechanism is selectively engageable to connect the first member of the second planetary gear set for common rotation with the input member.

Abstract: A multi-stage gearbox of planetary construction, in particular a power split transmission of a work engine, having a housing which accommodates four planetary sets, several shafts and several shift elements including at least a brake and a number of clutches. Selective engagement of the shift elements implements different gear ratios between a drive shaft and an output shaft. The drive shaft is connected to a carrier of the second planetary set while the sun gear of the second planetary set is coupled with a third shaft and the ring gear of the second planetary set is coupled with a fourth shaft. The output shaft is connected to a carrier of the fourth planetary set, and a fifth shaft is firmly connectable to the housing by a first brake.

Abstract: A transmission of the present invention has an input member, an output member, 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. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality forward speed ratios and at least one reverse speed ratio.

Abstract: A transmission of the present invention has an input member, an output member, two planetary gear sets, a planetary gear set assembly, 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 planetary gear set assembly is a stacked planetary gear set that includes a first, second, third and fourth member. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are each selectively engageable in combinations of at least three to establish at least eleven forward speed ratios and at least one reverse speed ratio.

Abstract: A transmission has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Two of the four planetary gear sets are stacked. Two of the planetary gear sets include first, second and third members. The two planetary gear sets that are stacked form a planetary gear set assembly that includes a first, second, third and fourth member. The torque transmitting devices include clutches and brakes.

Abstract: A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear, a carrier member supporting a plurality of planet pinion gears and a ring gear member. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish a plurality forward speed ratios and at least one reverse speed ratio.

Abstract: A transmission is provided having an input member, an output member, 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. The torque transmitting devices are each selectively engageable in combinations of at least three to establish a plurality of forward speed ratios and at least one reverse speed ratio between the input member and the output member.

Abstract: A multi step transmission comprising planetary gearsets (P1, P2, P3, P4), shafts and shift elements. The sun gear of gearset (P1) couples drive shaft (1). The carrier of set (P1) couples shaft (3), which couples housing (G) via brake (03), shaft (1) via clutch (13) and shaft (6) via clutch (36). Shaft (6) couples the ring and sun gear of gearsets (P2 P3) respectively, and, via clutch (68), shaft (8), which couples the carrier of gearset (P4). Shaft (1) couples the carrier of gearset (P4). Shaft (7) couples the ring gear of gearset (P1) and the carrier of set (P2). The sun gear of gearset (P4) couples shaft (4), which couples housing (G) via brake (04). The ring gear of gearset (P3) couples shaft (5), which couples housing (G) via brake (05). Output shaft (2) couples the carrier of gearset (P3) and the ring gear of gearset (P4).

Abstract: A transmission is provided having an input member, an output member, 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 four clutches and three brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract: A gear train of an automatic transmission for vehicles has the advantages of simplifying structures of the automatic transmission and improving power delivery performance and fuel economy as a consequence of realizing at least nine forward speeds and one reverse speed by combining three simple planetary gear sets with four clutches and three brakes.

Abstract: A front wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing. Each of the clutches and brakes are located within specific areas defined by the planetary gear sets and the housing walls.

Abstract: A transmission includes 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 that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.

Abstract: An automatic transmission (11) includes a planetary gear set (PS), first to third clutches (C-1 to C-3), first to third brakes (B-1 to B-3), and a counter gear (100) that outputs shifted rotation. The counter gear (100) is placed axially on one side of the planetary gear set (PS), and the second brake (B-2) is placed axially on the opposite side from of the counter gear (100) from the planetary gear set (PS). The second brake (B-2) that does not make higher speed rotation than other clutches and brakes can thus be separated from the planetary gear set (PS), and other clutches and brakes and the counter gear (100) are arranged near the planetary gear set (PS). Thus, members having a large thickness are reduced in length, whereby the automatic transmission is made compact and reduced in weight.

Abstract: A planetary gear train of an automatic may include an input shaft, an output shaft, a first planetary gear set having a first, second and third rotation elements, the first selectively connected to the input shaft, a second planetary gear set having a fourth, fifth and sixth rotation elements, the fourth directly connected to the second rotation element and the fifth directly connected to the input shaft, a compound planetary gear set having seventh, eighth, ninth and tenth rotation elements, the seventh selectively receiving the speed of the input shaft from the fifth, the eighth selectively receiving increased speed from the sixth, the ninth directly connected to the output shaft, and the tenth selectively connected to the input shaft, eight rotation members consisting of at least one of the rotation elements and six friction members.

Abstract: A transmission includes an input member, an output member, three 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.

Abstract: A multiple speed transmission for a motor vehicle includes an input member connected to an electric motor, an output member, four planetary gear assemblies, each with first, second, and third members, and a plurality of torque transmitting devices, such as, brakes and clutches. The electric motor can be employed for regenerative braking. Further, the electric motor can be employed to launch and drive the motor vehicle with each of the gear ratios of the multi-speed transmission.

Abstract: A transmission assembly may include a first clutch and a second clutch. The second clutch may include a clutch pack, a pressure chamber, a first piston, and a second piston. The first piston may be configured to push against the clutch pack when pressurized fluid is directed into the pressure chamber. The second piston may be configured to push against the first piston when pressurized fluid is directed into the pressure chamber at a time when the first clutch is unactuated and inhibited from pushing against the first piston at a time when the first clutch is actuated.

Abstract: A transmission system is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members a plurality of torque transmitting devices, a launch clutch, and a hydraulic circuit. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.

Abstract: A clutch mechanism comprises a planetary gear unit including input transmission, output transmission, and transmission stopping members. Torque entering the input transmission member is outputted downstream of the planetary gear unit by the output transmission member when the transmission stopping member is fixed and is not outputted downstream when the transmission stopping member is unfixed and entering a rotatable state. A rotation prohibiting target has an engaging target and is integral with the transmission stopping member. A rotation prohibiting member has a supporting shaft, a swingable portion at its one end and an engaging portion at its other end to engage the engaging target to enable the transmission stopping member to exert the stopping function. The engaging portion disengages the engaging target to bring the transmission stopping member into an unfixed state. A damper unit absorbs vibration caused in the rotation prohibiting member during a switching operation.

Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and six torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.

Abstract: A planetary gear train of an automatic transmission may include an input shaft configured to receive an engine torque, an output shaft configured to output a shifted torque, a first compound planetary gear set including first and second simple planetary gear sets having first and second sun gears, first and second planet carriers, and first and second ring gears as rotation elements, a second compound planetary gear set including third and fourth simple planetary gear sets having third and fourth sun gears, third and fourth planet carriers, and third and fourth ring gears as rotation elements, seven rotational shafts connecting to one to more rotation elements, and seven friction members including three clutches interposed between a rotational shaft and the input shaft to control the torque and four brakes selectively connecting a rotational shaft to a transmission housing.