Abstract: A tail rotor isolation system for rotorcraft includes a secondary engine, first and second freewheeling units, an isolation assembly and a tail rotor system. The secondary engine is coupled to the input race of the first freewheeling unit. A main rotor system is coupled to the output race of the second freewheeling unit. The isolation assembly is coupled to the output race of the first freewheeling unit and has a fully engaged position coupling the input and output races of the second freewheeling unit and a partially engaged position coupled to the input race but decoupled from the output race of the second freewheeling unit. The tail rotor system is coupled to the input race of the second freewheeling unit such that in the partially engaged position of the isolation assembly, the overrunning mode of the second freewheeling unit isolates the tail rotor system from the main rotor system.

Abstract: A multiple speed transmission includes an input shaft, an output shaft, a first planetary gearset having a first member, a second member, and a third member, and a second planetary gearset having an input member, a reaction member, a second member, and a third member. The transmission also includes a plurality of interconnecting members each connected between at least one of the first and second planetary gearsets and at least another of the first and second planetary gearsets. The transmission includes a plurality of torque-transmitting mechanisms which are selectively engageable in combinations of at least two to establish a plurality of forward speed ratios and a plurality of reverse speed ratios between the input shaft and the output shaft.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios and at least nine reverse speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, a fourth planetary gearset, and a fifth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have five planetary gearsets and eight selective couplers. The eight selective couplers may include three clutches and five brakes.

Abstract: An object of the present invention is to provide a steering assistance device that has a single line of final output, thereby to achieve downsizing. The assistance device of the present application includes a speed reducer configured to decelerate a driving force from a motor and output the decelerated driving force, wherein the speed reducer is configured to receive an operation force produced by an operation of a human.

Abstract: A planetary gear train of an automatic transmission for a vehicle includes input and output shafts, and first, second, third, fourth, and fifth planetary gear sets, each including three rotational elements. The gear train also includes nine shafts for selectively connecting the planetary gear sets, the input and output shafts, and a transmission housing in various configurations to achieve at least ten forward speeds and at least one reverse speed.

Abstract: Provided is a power transmitting device including an input side gear assembly that includes a single power input terminal and two power output terminals, an output side gear assembly that includes two power input terminals and a single power output terminal, the two power input terminals configured to operate using power received from the two power output terminals of the input side gear assembly, respectively, and a stopper module configured to block power to be transmitted through one of two power transmitting paths connecting the two power output terminals of the input side gear assembly and the two power input terminals of the output side gear assembly.

Abstract: A powertrain for a vehicle may include a compound planetary gear set configured such that, of four rotation elements, a first rotation element is connected to an input shaft and a second rotation element is connected to an output element; a brake provided to connect a rotating body to a transmission housing to be locked thereto; a first clutch device provided to switch a connection state of the rotating body between a third rotation element and a fourth rotation element of the compound planetary gear set; and a second clutch device provided to switch a connection state of the second rotation element of the compound planetary gear set to the input shaft.

Abstract: A planetary gear train of an automatic transmission may include first planetary gear set including first to third rotation elements, second planetary gear set including fourth to sixth rotation elements, third planetary gear set including seventh to ninth rotation elements, fourth planetary gear set including tenth to twelfth rotation elements, fifth planetary gear set including thirteenth to fifteenth rotation elements, first shaft fixed to the third rotation element and the input shaft, second shaft fixed to the eighth and eleventh rotation elements, third shaft fixed to the fourteenth rotation element and the output shaft, fourth shaft fixed to the second rotation element, fifth shaft fixed to the sixth and seventh rotation elements, sixth shaft fixed to the ninth and fifteenth rotation elements, and shafts formed by combinations of remaining rotation elements among the first to fifteenth rotation elements that are not connected to the first shaft to the sixth shaft.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include three clutches and three brakes. The four planetary gearsets may include three minus planetary gearsets and one plus planetary gearset.

Abstract: A planetary gear train may include first to fifth 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 first and eleventh elements and input shaft, a second shaft fixedly connected to the second element and one element of the fifth planetary gear set, selectively connectable to the input shaft and a transmission housing, a third shaft fixedly connected to the eighth element and output shaft, a fourth shaft fixedly connected to the third and fifth elements, a fifth shaft fixedly connected to the sixth, seventh, tenth, and another element of the fifth planetary gear set not connected to the second shaft, a sixth shaft fixedly connected to the twelfth element, a seventh shaft fixedly connected to a remaining element of the fifth planetary gear set not connected to the first and second shafts.

Abstract: A planetary gear train includes a central wheel, a gear and a carrier, geometrically coupled by a closed eccentric connection that locks the gear. The locking is provided by displacement of the carrier in relation to the gear in a circumferential or tangential direction, when the gear's rotation speed is lower than the carrier's rotation speed. When there is more than one locking gear, the carrier's displacement in relation to the gear can be identical or different. The eccentric connection can be designed as an eccentrically disposed projecting section of outer surface of either the gear or the carrier, conjugated with an opening or slot formed in the carrier or gear, or as an eccentric element having eccentrically disposed projecting sections that may be designed as a single rolling body. The gear train provides for locking (blocking) the gear, as well as for transmitting rotational movement thereby extending its use.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include four clutches and two brakes.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have four planetary gearsets and six selective couplers. The six selective couplers may include two clutches and four brakes. The four planetary gearsets may include three minus planetary gearsets and one plus planetary gearset or two minus planetary gearsets and two plus planetary gearsets. The multi-speed transmission may include at least one Ravigneaux gearset.

Abstract: A multi-speed transmission including an electric motor having a hollow rotor shaft disposed in an axle housing, a first planetary gear set, a second a planetary gear set, a third planetary gear set. The first planetary gear set is drivingly connected to the rotor shaft and a first transfer shaft. The second planetary gear set is drivingly connected to the first transfer shaft and a second transfer shaft and has ring gear selectively fixed to the axle housing. The third planetary gear set is drivingly connected to the first transfer shaft and an output gear and has a ring gear rotationally fixed to the axle housing. Clutches are selectively engaged to rotationally fix the ring gears to the axle housing. The rotor shaft and first transfer shaft are coaxially with respect to each other and axle half shafts of a transaxle.

Abstract: The present disclosure provides an automatic transmission having an input adapted to couple to a torque-generating mechanism and an output coupled to the input. The transmission also includes a first rotating torque-transferring mechanism disposed along a first torque path and coupled to the input. A second rotating torque-transferring mechanism is disposed along a second torque path and is coupled to the input independent of the first torque-transferring mechanism. The transmission includes a plurality of stationary torque-transferring mechanisms, each of which is disposed between the input and output. The transmission includes a first planetary gearset, a second planetary gearset, a third planetary gearset, and a fourth planetary gearset, where each gearset includes a sun gear, a ring gear, and a carrier assembly. Moreover, the carrier assembly of the third planetary gearset is coupled to the output and the sun gear of the fourth planetary gearset.

Abstract: A planetary gearing device includes a gearing input shaft, a gearing output shaft, a gearing housing, and at least a first, second and third planetary gear train, each having a sun gear, a ring gear and at least one planet gear. The planetary gear trains are centrally arranged with respect to a gearing axis and can be mutually, particularly selectively, connected with torque transmission devices. The first planetary gear train are arranged radially within the second planetary gear train. An individual sectional plane orthogonal with respect to the gearing axis intersects the first and the second planetary gear train, the first and the third planetary gear train being axially spaced from one another along this gearing axis. The first planetary gear train has at least a second planet gear.

Abstract: A multi-speed transmission includes an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets includes first, second and third members. The input member is continuously interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least eight forward speeds and at least one reverse speed are achieved by the selective engagement of the plurality of torque-transmitting mechanisms.

Abstract: A planetary gear train of an automatic transmission may include input shaft, output, first planetary gear set having first to third rotational elements, second planetary gear set having fourth to sixth rotational elements, third planetary gear set having seventh to ninth rotational elements, fourth planetary gear set having tenth to twelfth rotational elements, first shaft interconnecting the first and fourth rotational elements, and may be selectively connected with the input shaft or transmission housing, second shaft interconnecting the second rotational element, the sixth rotational element, the seventh rotational element, and the tenth rotational element connect, third shaft connected with the third rotational element, fourth shaft connected with the fifth rotational element, fifth shaft connected with the ninth rotational element, sixth shaft connected with the eighth rotational element and connected with the output shaft, a seventh shaft connected with the eleventh rotational element and connected with

Abstract: A method is provided for shifting a transmission, more particularly an automatic planetary transmission, having multiple non-positive shift elements and at least one positive shift element. The transmission can assume particular transmission states according to current shifting states of the shift elements, each transmission state having a particular transmission ratio between a transmission input and a transmission output. At least two transmission states have identical transmission ratios. To shift into a first of the at least two transmission states that have identical transmission ratios, only non-positive shift elements are engaged. By contrast, to shift into a second of the at least two transmission states that have identical transmission ratios, at least one positive shift element is engaged.

Abstract: Nine or more forward speeds and one or more reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle. The planetary gear train includes: an input shaft, an output shaft, four planetary gear sets, and six control components. In particular, each of the four planetary gear sets includes a sun gear, a planet carrier, and a ring gear. Selective connections between the sun gears, planet carriers, ring gears, and a transmission housing are performed by the the six control components.

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 of the engine, a first planetary gear set, a second planetary gear set, a third planetary gear set, a first rotation shaft selectively connectable to the input shaft, a second rotation shaft, a third rotation shaft selectively connectable to at least one of the input shaft and a transmission housing, a fourth rotation shaft selectively connectable to the first rotation shaft, a fifth rotation shaft directly connected to the transmission housing, a sixth rotation shaft selectively connectable to the fourth rotation shaft, and directly connected to the output shaft, and a seventh rotation shaft selectively connectable to the first rotation shaft.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft configured for receiving an engine torque, an output shaft configured for outputting a shifted torque of the engine, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, six control elements for selectively interconnecting rotation elements of the planetary gear sets and a transmission housing, a first connecting member selectively connected to the transmission housing, a second connecting member selectively connected to the transmission housing, a third connecting member directly connected to the input shaft, a fourth connecting member selectively connected to the transmission housing, a fifth connecting member selectively connected to the input shaft, and selectively connected to the transmission housing, a sixth connecting member directly connected to the output shaft, and a seventh connecting member selectively connected to the input shaft.

Abstract: A planetary gear train of an automatic transmission for the vehicle 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; and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements.

Abstract: A power transmission apparatus including a transmission, a case that accommodates the transmission, a counter drive gear to which power from the transmission is transmitted, a counter driven gear that meshes with the counter drive gear, and a drive pinion gear that is disposed and spaced apart in an axial direction from the counter driven gear and that rotates together with the counter driven gear, the power transmission apparatus.

Abstract: The present invention relates to a power train of an automatic transmission, which includes seven rotating elements configured through two planetary gear sets, and selectively fastens three rotating elements through four clutches and three brakes, thereby providing nine forward speeds and one reverse speed.

Abstract: Nine or more forward speeds and at least one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle including 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.

Abstract: The invention relates to a multistage gearbox for motor vehicles, having a plurality of forward gears and at least one reverse gear, consisting of a plurality of 3-shaft gearboxes and a plurality of shifting elements, with a driveshaft (W1), an output shaft (W2) and a plurality of gearbox shafts, differential shifts and sum shafts, wherein: a first differential shaft (d1.1) of a first 3-shaft gearbox (RS1) is connected for conjoint rotation to a first differential shaft (d1.2) of a second 3-shaft gearbox (RS2); the driveshaft (W1) and a sum shaft (s2) of the second 3-shaft gearbox (RS2) are connected for conjoint rotation; a fourth gearbox shaft (W6; W76) and a second differential shaft (d2.2) of the second 3-shaft gearbox (RS2) are connected for conjoint rotation; the fourth gearbox shaft (W6; W76) or a fifth gearbox shaft (W7) is connected for conjoint rotation to a first differential shaft (d1.3) of a third 3-shaft gearbox (RS3); and a third gearbox shaft (W5) and a second differential shaft (d2.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving power from an engine, an output shaft outputting power changed in speed, a first planetary gear set which has first, second, and third rotating elements, a second planetary gear set which has fourth, fifth, and sixth rotating elements, a third planetary gear set which has seventh, eighth, and ninth rotating elements, a fourth planetary gear set which has tenth, eleventh, and twelfth rotating elements, and six control elements disposed between the rotating elements, and disposed at positions where the rotating elements are selectively connected to a transmission housing.

Abstract: A family of transmission gearing arrangements produces up to nine forward and one reverse speed ratios by selective engagement of three shift elements in various combinations. Each disclosed transmission includes four planetary gear sets and six elements. Two of the arrangements feature planetary gear sets that are separated radially and are particularly suited to applications that require reduced axial length.

Abstract: A multi stage transmission for a vehicle mat 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 to transfer a torque between the input shaft and the output shaft and each planetary gear set including three rotating elements and at least six shift elements connected to the rotating elements of the planetary gear devices.

Abstract: A four-stage multi-stage transmission in which the carrier (12) of the first planetary gear set (1) is connected with a sun gear (41) of the fourth planetary set, a ring gear (43) of the fourth planetary gear set (4) is connected with the output shaft (71), a ring gear (13) of the first planetary gear set (1) and a carrier (22) of the second planetary gear set (2) can be coupled with the housing (72), via a first brake (51). A sun gear (11) of the first planetary gear set (1) can be coupled with the housing (72), via a second brake (52), and the ring gear (43) can be coupled with the sun gear (41), respectively, of the fourth planetary gear set (4) via a first clutch (61).

Abstract: A power tool that includes a housing, a motor, a trigger, a multi-speed transmission and a torque clutch. The housing define a handle. The motor is coupled to the housing. The trigger is coupled to the housing and configured to control operation of the motor. The multi-speed transmission is configured to transmit rotary power between the motor and the output spindle and includes a plurality of planetary stages with a first stage and a second stage that receives rotary power from the first stage. The first stage has a first internally toothed gear element and the second stage having a second internally toothed gear element. The torque clutch limits torque output from the multi-speed transmission to the output spindle. The torque clutch is configured to alternatively ground the second and third internally toothed gear elements to the housing based on a speed ratio setting of the multi-speed transmission.

Abstract: A motor vehicle transmission having a housing, input and output shafts, shifting elements, a first planetary gearset having sun, ring and planet gears and a carrier and a second planetary gearset having planet gears and carriers that are rigidly coupled. The carriers of the first and the second gearsets are fixed, respectively, to the output and input shafts. A sun gear of the second gearset can be connected by a first shifting element to the housing and by a second shifting element to the input shaft. The ring gear of the first gearset can be connected by a third shifting element to the housing and by a fourth shifting element to the carrier of the first planetary gearset. The sun gear of the first gearset and ring gear of the second gearset are rigidly coupled, and the shifting elements are arranged in the housing and are accessible from the outside.

Abstract: A family of transmission gearing arrangements provides between eight and ten forward speed ratios and a reverse speed ratio. Three planetary gear sets are located on the input axis and a fourth planetary gear set is located on an offset axis. Axis transfer gears convey power between the input axis and the offset axis. One axis transfer gear is supported by a front support while another is supported by a center support. The center support also supports a clutch module and supplies pressurized fluid to engage the clutches in the clutch module.

Abstract: A racing transmission that is lightweight and simplistic. The racing transmission features a low gear, reverse gear, neutral and a direct drive gear. The transmission utilizes a drive shaft; two sets of planetary gears and a common sun gear. The transmission disclosed herein does not use a countershaft to accomplish low and reverse. This transmission can be with an external clutch.

Abstract: In a handheld power tool having a planetary gear set which is at least switchable between a first and a second gear and which is assigned a switching annulus gear which is at least shiftable between a first and a second switching position and which has the first switching position in the first gear and the second switching position in the second gear, the switching annulus gear is assigned a synchronization unit which is designed to enable a synchronization of the switching annulus gear with a planet carrier or with a blocking element of the planetary gear set when the switching annulus gear is shifted between the first and the second switching position to switch over the planetary gear set.

Abstract: Transmissions with at least three gearing-arrangements with similar first and second gearing-arrangements that produce a number of transmissions having an eleven forward-speed and two reverse-speed ratios, having ten forward-speed and three reverse-speed ratios, and having five forward-speed and one reverse-speed ratios by selective engagement of three shift-elements in various combinations. Some embodiments include four simple planetary-gearsets and six shift-elements of which two or three are brakes. Another embodiment includes a double-pinion planetary-gearset and six shift-elements of which three are brakes. Other embodiments include three simple planetary-gearsets and five shift-elements of which one or two are brakes.

Abstract: A nine speed transmission having six shift-elements. An input being selectively coupled with an interior-gear capable of being braked and an end-gear from a first gearing-arrangement and coupled with an interior-gear of a fourth gearing-arrangement. An opposite end-gear from the first gearing-arrangement being fixedly coupled with an interior-gear of a second gearing-arrangement. An end-gear of a third gearing-arrangement being a ground or capable of being braked. An output being coupled with an interior-gear from the third gearing arrangement and an end-gear from the fourth gearing-arrangement. An end-gear of the second gearing-arrangement being a ground and the opposite end-gear being coupled with opposite end-gears from the third and fourth gearing-arrangements. The opposite end-gear of the second gearing-arrangement also being selectively coupled to the interior-gear of the first gearing-arrangement. Coupled, as used here, may mean selectively or fixedly coupled.

Abstract: A vehicular automatic transmission includes three single pinion planetary gear sets and a plurality of engagement elements. A plurality of gears is selectively established by three of the plurality of engagement elements being engaged and three of the plurality of engagement elements being released. One of the plurality of engagement elements is a dedicated reverse engagement element that is engaged when a reverse gear is established and is released when a forward gear is established.

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: A planetary gear train may include an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a first rotation shaft directly connected to one rotation element of the first planetary gear set and one rotation element of the second planetary gear set, and selectively connected to the input shaft, a second rotation shaft directly connected to another rotation element of the second planetary gear set and directly connected to the output shaft, a third rotation shaft directly connected to another rotation element of the first planetary gear set and the other rotation element of the second planetary gear set, and selectively connected to the input shaft or to a transmission housing, and a fourth rotation shaft directly connected to the other rotation element of the first planetary gear set, and selectively connected to the input shaft through two paths or to the transmission housing.

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

Abstract: A vehicle power transmission device has a torque converter including an input-side rotating member, an output-side rotating member, a stator and a case including a first chamber and a second chamber separated by a bulkhead, and the first chamber and the second chamber being oil-tightly isolated from each other by an oil seal. The vehicle power transmission device is disposed with a thrust bearing between the input-side rotating member and the stator, which is disposed to partially or entirely overlap with the oil seal and a one way clutch disposed between the stator and a non-rotating member which supports the stator. A portion of the one way clutch protrudes toward the second chamber, the input-side rotating member having an annular projecting portion, and the annular projecting portion houses the thrust bearing and the portion of the one way clutch.

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

Abstract: The transmission has four planetary gear sets and shafts and shift elements. Sun gear of the planetary 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 (89), to shaft (9), which couples sun gears of gearsets (P3, P4). Carrier of gearset (P1) couples drive shaft (1), which is connectable, via clutch (16), to shaft (6), which couples ring gear of gearset (P2). Sun gear of gearset (P2) couples shaft (3), which couples carrier of gearset (P3) and is connectable to the housing via brake (03). Ring gear of gearset (P4) couples shaft (4) which is connectable to the housing via brake (04). Output shaft (2) couples carrier of gearset (P4) and is connectable, via clutch (27), to shaft (7) which couples ring gear of gearset (P1).

Abstract: A transmission ratio step of a stepped transmission which can couple at least two parallel transmission shafts. Multiple transmission ratios can be implemented with the ratio steps. A planetary gear set, comprising three components, is located coaxial with a first shaft. A first component is connected to and driven by an input supplied along the first axis, and a second component meshes with at least one spur gear, each of which is placed on a further axis that is parallel to the first axis. A first transmission ratio can be engaged by fixing a third component of the planetary gear set, and a second transmission ratio can be implemented by connecting either the third or the second transmission component to the drive supplied along the first axis. At least one the transmission ratio steps is utilized in a stepped transmission of a motor vehicle transmission.

Abstract: A transmission having input and output shafts, shifting elements and planetary gearsets including sun and ring gears, planetary gearwheels and a carrier. The carrier of the first gearset is fixed to the input. The ring gear of the second gearset can be connected by a first shifting element to the housing and by a second shifting element to the carrier of the second gearset. The ring gear of the first gearset is fixed to the sun gear of the second gearset. The sun gear of the first gearset can be connected by a third shifting element to the housing, or is fixed to the sun gear of the second gearset and the ring gear of the first gearset can be connected by a third shifting element fixed to the housing. The shifting elements are arranged within the housing and accessible from outside the housing.

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 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 racing transmission. The racing transmission has a low gear, reverse gear, neutral and a direct drive gear. The transmission utilizes a drive shaft and two sets of planetary and sun gears. The transmission does not use a countershaft to accomplish low and reverse.