Abstract: A power transmission mechanism transferring a power output from an engine to a propeller includes a transmission planetary gear train that transforms the output power of the engine before it is transferred to the propeller. The transmission planetary gear train includes a transmission sun gear, a transmission double planetary gear set, and a transmission internal gear, in which the transmission sun gear is connected via the first clutch to the input end shaft extending into the engine, and the transmission sun gear is also connected via the second one-way clutch to the housing. In addition, the transmission double planetary gear set is connected via the second clutch to the input end shaft extending into the engine, and the transmission double planetary gear set is also connected via the first one-way clutch to the housing. Further, the transmission internal gear is connected to the output end shaft extending toward the propeller.

Abstract: An independently controllable transmission mechanism includes a first planetary gear train and a second planetary gear train. The first planetary gear train and the second planetary gear train are mechanically connected in parallel to form a parallel type. The controllable transmission mechanism has a first power output end, a transmission control end, a first power input end and a free-transmission end. The first power output end is provided on the first planetary gear train and the transmission control end is provided on the second planetary gear train. When the first power input end is provided on the first planetary gear train or the second planetary gear train, the free-transmission end is provided on the second planetary gear train or the first planetary gear train. The transmission control end controls the free-transmission end to be functioned as a second power input end or a second power output end.

Abstract: An independently controllable transmission mechanism includes a first planetary gear train, a second planetary gear train, a first transmission-connecting set and a second transmission-connecting set. The first planetary gear train and the second planetary gear train are serially connected to form a series type. The independently controllable transmission mechanism has a first power output end, a transmission control end, a first power input end and a free-transmission end. The first power output end is provided on the first planetary gear train and the transmission control end is provided on the second planetary gear train. The first power input end is provided on the first transmission-connecting set and the free-transmission end is provided on the second transmission-connecting set. The transmission control end controls the free-transmission end to be functioned as a second power input end or a second power output end.

Abstract: A power train according to an embodiment of the invention includes three sets of planetary gear sets, one clutch, and two brakes, such that it provides two electric vehicle modes, two hybrid modes, and two engine modes of overdrive shift ratio. Further, the power train of a hybrid vehicle has a simple configuration, high power performance, and reduced weight and fuel consumption, while being easily equipped in the vehicle. In particular, since an engine mode that makes it possible to reduce a significant amount of fuel consumption especially when a vehicle is traveling at a constant high-velocity.

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 may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.

Abstract: The present disclosure provides a power split transmission with three forward Electric Variable Transmission (EVT) modes, one reverse EVT mode, and five fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, three selectively engageable clutches, and two selectively engageable brakes. The clutches and brakes are engaged in different combinations to engage the different gears and EVT modes. In the five fixed gears, power is transmitted only on the mechanical path for the highest transmission efficiency. In the EVT modes, a part of the power is transmitted electrically. Additionally, the present disclosure includes a front E-motor designed allowing scalable E-motors and a modular transmission design and a center E-motor design.

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 a brake.

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.

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 are clutches and a brake.

Abstract: An automatic 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 may be either clutches or brakes.

Abstract: A transmission is provided having an input member, an output member, three planetary gear sets, four external co-planar 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. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.

Abstract: A multi-speed transmission for a vehicle is provided with a selectable one-way braking clutch (SOWBC). The transmission has an input member connected for common rotation with one of the members of four planetary gear sets and an output member connected for common rotation with another of the members of the planetary gear sets. Four interconnecting members connect different members of the planetary gear sets for common rotation. A first brake is selectively engagable to ground the first member of the first planetary gear set to the stationary member. A first, a second, and a third rotating clutch are each selectively engagable to connect a different respective pair of the members of the planetary gear sets for common rotation. A selectable one-way braking clutch is configured to brake in one rotational direction and is selectively reversible to brake in an opposite rotational direction, and freewheels in some speed ratios.

Abstract: The present invention broadly comprises a transmission for a vehicle, including two dual planetary gearsets arranged to transmit torque, independent of each other, from an input shaft for the transmission to an output for the transmission. In a gear for the transmission, one of the dual gearsets is arranged to transmit the torque to the output and the other of the dual gearsets is arranged to be ungrounded. The transmission includes first and second brakes arranged to ground a respective portion of the dual planetary gearsets. In some aspects, the dual planetary gearsets each include a planetary gearset connected to a respective brake and the output, and switches arranged to control the connection of the gearsets to the first and second brakes. In some aspects, the dual gearsets each include a planetary gearset connectable to the input shaft and switching assemblies for the planetary gearsets.

Abstract: A transmission is provided having 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: An eight-gear transmission comprises an input shaft, an output shaft, four planetary gear sets and five gear shifting elements.

Abstract: A transmission is provided having 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 second clutch (C2) which couples a carrier (Cr) of the compound planetary gear set (6) to a speed ring gear (Rf) of the single planetary gear set (5) is arranged between the single planetary gear set (5) and the compound planetary gear set (6). Then, a first clutch (C1) which couples a second sun gear (Sr2) of the compound planetary gear set (6) to a carrier (Cf) of the single planetary gear set (5), and a third clutch (C3) which couples a sun gear (Sr1) of the compound planetary gear set (6) to carrier (Cf) of the single planetary gear set (5) are arranged at the side of the compound planetary gear set (6) opposite to the single planetary gear set (5).

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.

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 may include clutches and at least one brake.

Abstract: A signal torque module assembly (STMA) is provided for use within a control moment gyroscope of the type that includes a rotor assembly. The STMA comprises a torque module assembly (TMA), which includes: (i) a TMA housing, (ii) a torque motor coupled to the TMA housing, and (iii) a gear train coupled to the TMA housing and mechanically coupling the torque motor to the rotor assembly. A signal module assembly is coupled to the TMA housing, and an elongated connector electrically couples the signal module assembly and the rotor assembly. The elongated connector extends through the gear train.

Abstract: A gear train of an automatic transmission for a vehicle may include four planetary gear sets with three clutches and two brakes and realizes eight forward speeds, and the gear train of an automatic transmission for a vehicle may minimize the number of friction elements, simplify the scheme of an transmission, and enhance transmitting power efficiency and fuel efficiency. The four planetary gear sets may include a first planetary gear set including a first sun gear, a first planet carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planet carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear, and a fourth planetary gear set including a fourth sun gear, a fourth planet carrier, and a fourth ring gear.

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.

Abstract: An automatic 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 may be either clutches or brakes.

Abstract: A bicycle hub transmission basically includes a hub axle, a driver, a hub shell, a power transmission mechanism and a shift mechanism. The driver is rotatably supported relative to the hub axle. The hub shell is rotatably supported relative to the driver. The power transmission mechanism includes a downstream planetary gear unit and an upstream planetary gear unit disposed between the driver and the hub shell to selectively transmit rotational power from the driver to the hub shell through one a plurality of power transmission paths. The shift mechanism is operatively coupled to the power transmission mechanism to select one of the power transmission paths. The downstream planetary gear unit includes at least a planetary gear carrier that meshes with planetary gears of the upstream planetary gear unit.

Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque is provided, wherein the torque of the engine is divided into two portions and each portion of the torque is transmitted respectively through first and second power delivery paths, and wherein the first power delivery path is connected to a launching device, the second power delivery path is connected to a transmission device, and outputs of the launching device and the transmission device are met at a torque combining device such that each torque increased through each power delivery path is added and the final torque is output through the torque combining device.

Abstract: A torque split type automatic transmission which transmits torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, may be provided wherein the torque of the engine is dividedly transmitted to first and second power delivery paths, a launching device for converting the torque and a transmission device for achieving multiple-shift are disposed on the first power delivery path in series, and a torque combining device is disposed on the second power delivery path, and wherein the first power delivery path is connected to the torque combining device such that output torque of the first power delivery path is added to output torque of the second output path to output the final torque.

Abstract: An automatic transmission that is structured such that the first clutch, the third clutch, and the fourth clutch are disposed in an axial direction more toward the speed-reduction planetary gear than the planetary gear unit; friction plates of the first clutch are disposed so as to be offset in the axial direction with respect to friction plates of the third clutch and friction plates of the fourth clutch; and the friction plates of the fourth clutch are disposed such that at least a portion thereof coincides in the axial direction with the friction plates of the third clutch on an inner peripheral side of the friction plates of the third clutch.

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 may include clutches and brakes.

Abstract: The transmission has a plurality of members that can be utilized in a powertrain to provide nine forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having six torque-transmitting devices and five fixed interconnections. The powertrain includes an engine and torque converter that are continuously connected to at least one of the planetary gear members, and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the transmission housing and the input member, and are operated in combinations of two to establish at least nine forward speed ratios and at least one reverse speed ratio.

Abstract: An automatic 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 may be either clutches or brakes.

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 a brake.

Abstract: A transmission is provided that utilizes three planetary gear sets and three layshaft gear sets, as well as four rotating-type clutches and one brake that are engagable in different combinations to provide eight forward speed ratios between an input member and an output member of the transmission. By combining features of a layshaft transmission with those of a planetary transmission, the low spin losses and packaging convenience typical of a layshaft transmission are available while still achieving the high torque capacity typical of a planetary transmission.

Abstract: A reciprocating rotary engine includes a torus-shaped chamber which is divided into two regions. Each divided region forms a sealed chamber. Each sealed chamber is divided by a piston attached to a shaft whereby four sealed chambers are formed. A power converter includes two power combination devices and two motor/generator dual role electric motors. Each combination device has three rotational axes with the torques of two axes being combined together and transferred to the remaining axis. The two electric motors modulate the torque of an axis periodically in accordance with reciprocating rotary motion of the engine, to provide a counterforce to oscillating power and transfer unidirectional torque to a drive shaft.

Abstract: A power train of an automatic transmission includes an input shaft connected to a torque converter; an output gear; a transmission case; a first planetary gear set including a first operating member fixedly connected to the input shaft, a second operating member fixedly connected to the transmission case, and a third operating member; a second planetary gear set including a fourth operating member selectively connected to the third operating member, a fifth operating member selectively connected to the input shaft, second or third operating members, a sixth operating member selectively connected to the input shaft or transmission case, a seventh operating member selectively connected to the transmission case, and an eighth operating member acting as an output element, wherein the second planetary gear set outputs ten forward speeds and two reverse speeds; and a plurality of friction members selectively connecting the operating members, input shaft, or transmission case.

Abstract: A transmission is disclosed having an input member, an output member, first, second and third planetary gear sets, a first interconnecting member, a second interconnecting member and six torque-transmitting mechanisms. The torque-transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios and at least one reverse speed ratio between the input member and the output member. The planetary gear sets each have first, second and third members. The six torque-transmitting mechanisms are selectively engageable to interconnect one of the first, second, and third members with another of the first, second, and third members.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting mechanisms and two fixed interconnections. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, and with the transmission housing, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.

Abstract: A transmission is disclosed having 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include five clutches and one brake arranged within a transmission housing.

Abstract: A transmission having input and output shafts, gearsets (RS1-RS4), shafts (1-8) and elements (A-E). Carriers of gearsets (RS4, RS3) are respectively connected to the input and the output forming shafts (1, 2). Sun gears of gearsets (RS1, RS4) are coupled forming shaft (3). The ring gear and a carrier respectively of gearsets (RS1, RS2) form shafts (4, 8). Ring gears of gearsets (RS2, RS4) respectively couple sun gears of gearsets (RS3, RS2) forming shafts (5, 7). A carrier of gearset (RS1) and a ring gear of gearset (RS3) are connected forming shaft (6). In the power flow, elements (A, B) are respectively arranged between shafts (3, 4) and a transmission housing, element (C) between shafts (5, 1), element (D) between shafts (8, 2) or (8, 6), and element (E) between two of shafts (5, 7, 8).

Abstract: An automatic 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 may be either clutches or brakes.

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 may include clutches and brakes.

Abstract: An automatic 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 may include clutches and a brake.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, six torque-transmitting devices, one fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and 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 may include clutches and brakes.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting mechanisms, three fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting mechanisms provide interconnections between various gear members, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.

Abstract: An automatic 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 may include clutches and a brake.

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 may include clutches.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, three fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio.

Abstract: There is provided an automatic transmission comprising a first shaft capable of receiving torque from an engine, and four planetary gear sets arranged coaxially on the first shaft and in series in an axial direction of the first shaft. Each of the four planetary gear sets has a single sun gear and a single ring gear. Further, the automatic transmission comprises an output wheel arranged coaxially on the first shaft, and capable of outputting torque transmitted from the engine through some of the four planetary gear sets. The output wheel is arranged between two of the four planetary gear sets. Accordingly, the noise or vibration from the planetary gear sets in the automatic transmission may be reduced, while the overall length of the first shaft may be made shorter, and the overall size of the automatic transmission may be made smaller.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and at least one reverse speed ratio. The transmission includes four planetary gear sets having five torque-transmitting devices, three fixed interconnections and a grounded member. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The five torque-transmitting devices provide interconnections between various gear members, and with a stationary member, and are operated in combinations of two to establish at least eight forward speed ratios and at least one reverse speed ratio.

Abstract: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets having six torque-transmitting devices, a fixed interconnection and a grounded member. The powertrain includes an engine and torque converter that is selectively connected to at least one of the planetary gear members and an output member that is continuously connected with another one of the planetary gear members. The six torque-transmitting devices provide interconnections between various gear members, the transmission housing and with the input member, and are operated in combinations of three to establish at least eight forward speed ratios and at least one reverse speed ratio.