Abstract: A motor-driven hinge device may include a hypocycloid hinge mechanism driven by a drive shaft, two metal side plates intended for connection to the seating portion and to the backrest, a brushless motor, and a planetary gear train positioned between the brushless motor and the drive shaft. The planetary gear train may include a sun gear connected to the motor rotor, and a plurality of planet gears, each planet gear having a first set of teeth engaging with the sun gear and with a first stationary ring gear, and a second set of teeth engaging with a second ring gear rigid with the drive shaft.

Abstract: A transmission and differential gearing with a housing, with an input shaft and two output shafts arranged coaxially with respect to the input shaft, wherein a transmission section and a differential section are provided, wherein the transmission section has two planet stages, namely an input stage and a load stage, wherein the sun wheel of the input stage is actively connected to the input shaft, wherein the load stage has a ring gear fixed to the housing, and the sun wheel of the load stage can be or is actively connected via a web to at least one planet wheel of the input stage, and wherein at least one planet wheel of the load stage is actively connected via a web to an input shaft of the differential section.

Abstract: A transmission changes gears in a MT system, an AT system, and an AMT system wherein unintended transition between an AT mode and a MT mode or between an AMT mode and a MT mode is prevented. A selector in a controller performs a mode selection control such that, when performing transition between the AT mode and the MT mode or between the AMT mode and the MT mode, the driver at least has to operate a mode switching switch while operating a clutch lever in an operation amount not smaller than a predetermined threshold.

Abstract: A method controls an internal combustion engine having a drive output shaft that is coupled to an input shaft of a transmission. The internal combustion engine and the transmission are encompassed by a drivetrain for the drive of a motor vehicle. The method includes determining a rotational speed of the drive output shaft of the internal combustion engine and determining a rotational acceleration of the drive output shaft based on the rotational speed of the drive output shaft. A dynamic torque of the internal combustion engine is determined as a product of the rotational acceleration and a dynamic moment of inertia of the internal combustion engine. A maximum combustion torque of the internal combustion engine is determined from a sum of a predetermined maximum torque at the input shaft of the transmission and the dynamic load torque of the internal combustion engine.

Abstract: A number of variations may include a gear drive comprising: a housing; a first ring gear; a shaft supported in the housing, wherein the shaft has a central axis of rotation; a second ring gear, wherein the second ring gear is coaxial with the shaft and operably connected and rotatable with the shaft; at least one intermediate gear, wherein the at least one intermediate gear includes a first end and a second end, wherein the first end is operably engaged with the first ring gear and the second end is operably engaged with the second ring gear; and a bias spring, wherein the bias spring comprises a first end, a second end, and a plurality of coils, and wherein the first end is stationary in the housing.

Abstract: A hydraulic control apparatus, wherein the first switching valve receives an input of one of the hydraulic pressure from the first electromagnetic valve device and the predetermined hydraulic pressure from the third switching valve, as a switching signal pressure, the first switching valve is switched from the first state to the second state in response to the input of the switching signal pressure, and the first switching valve is held in the second state, and the second switching valve receives an input of one of the hydraulic pressure from the first electromagnetic valve device and the predetermined hydraulic pressure from the third switching valve, as a holding pressure for holding the normal supply state.

Abstract: A planet gear for an integrated drive generator includes a planet gear body having an outer diametric surface provided with fifteen (15) gear teeth. The integrated drive generator can include a housing that surrounds an input system. The input system can be operatively coupled to a variable speed drive source. The integrated drive generator can also include a generator and an epicyclic differential gear system.

Abstract: A motor vehicle group transmission with at least one housing, a main transmission and a range transmission connected downstream from the main transmission. The main transmission comprises at least four planetary gearsets, each of which comprises a sun gear, a carrier, a planetary gearwheel mounted on the carrier and a ring gear, and at least five shifting elements. The range transmission includes at least two planetary gearsets, each of which has a sun gear, a carrier, a planetary gearwheel mounted on the carrier and a ring gear, and at least three shifting elements. The main transmission and the range transmission, together in combination, provide at least thirteen forward gears and at least eight reverse gears.

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, a first planetary gear set, a second planetary gear set, a third planetary gear set, six friction elements disposed to selectively connect rotation elements of the planetary gear sets with each other and selectively connect the rotation elements with a transmission housing, a first rotation shaft selectively connected to the input shaft, a second rotation shaft, a third rotation shaft selectively connected to at least one of the input shaft and the transmission housing, a fourth rotation shaft selectively connected to the second rotation shaft, a fifth rotation shaft selectively connected to the second rotation shaft, a sixth rotation shaft directly connected to the transmission housing, and a seventh rotation shaft selectively connected to the second rotation shaft, and directly connected to the output shaft.

Abstract: A transmission for a hybrid vehicle includes a planetary gear set including at least three rotary members of which one is connected to an engine. A first anti-rotator selectively restricts rotation of the rotary member connected to the engine. A first motor generator is connected to another one of the rotary members of the planetary gear set. A second motor generator is connected to the remaining one of the rotary members of the planetary gear set. An output shaft has a first output gear thereon, which is externally engaged with the rotary member connected to the first motor generator. A second anti-rotator selectively restricts rotation of the rotary member connected to the second motor generator.

Abstract: A hybrid-power driving system (HPDS) (100, 200) includes an engine, a motor, and a transmission. The HPDS may include a single clutch and the transmission can provide at least five forward speed ratios and can provide for at least one reverse speed ratio. The transmission can include three synchronizers and multiple gearwheels that are used in multiple speed ratios. In addition to a pure engine driving mode and a pure motor driving mode, the HPDS can operate using a hybrid-power driving mode (HDM). In the HDM, the HPDS can provide for shifting of gears without power interruption to the output shaft or half-axles and wheels of a vehicle. In the HDM, the continuous power being output can be achieved by keeping a synchronizer engaged with a gearwheel for two consecutive speed ratios.

Abstract: A drive unit for a hybrid vehicle includes a drive assembly with an internal combustion engine and an electric motor, and a transmission featuring several sub-transmissions shifting between the drive assembly and an output. Through a planetary transmission, the electric motor is coupled to an input shaft of a first sub-transmission and an input shaft of a second sub-transmission. Through a separating clutch, the internal combustion engine is to the input shaft of the first sub-transmission and, if the separating clutch is locked, is coupled to the same element of the planetary transmission as the input shaft of the first sub-transmission.

Abstract: A method of starting a vehicle may include, in response to an expected driver entry, stroking a clutch configured to couple an engine to an electric machine for a predetermined time period. The method may further include, in response to an engine start request received during the predetermined time period, providing power to the electric machine to spin the electric machine at a speed at least equal to a target engine cranking speed.

Abstract: The present disclosure provides a multiple speed transmission having 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 one reverse speed are achieved by the selective engagement of the five torque-transmitting mechanisms.

Abstract: An engine-driven working machine including a controller by which a time period until the rotation speed limitation mode is canceled can be shortened. After a throttle valve is moved to a fully-closed position by an operation to allow the engine to finish the fast idling state and while the engine is transited to an idling state, the controller cancels the rotation speed limitation mode by detecting an event in which a cycle period of rotation speed variations of the engine is longer than a cycle period of rotation speed variation in the fast idling state.

Abstract: A disconnect system for an all-wheel drive vehicle drive train is provided. The disconnect system includes a first torque transmitter, a second torque transmitter and a clutch selectively connecting the first torque transmitter and the second torque transmitter. The clutch includes an engagement section and an inner race and an outer race supporting the engagement section. The inner race is arranged to be forced against the engagement section to lock the clutch and moved away from the engagement section to unlock the clutch.

Abstract: A stepless transmission includes: a transmission shaft; first to fourth power transmission elements; a plurality of rolling bodies clamped by the first and second power transmission elements disposed in confrontation with each other, and tiltably held by the fourth power transmission element; an axial force generator configured to generate axial force in an axial direction for pressing at least one of the first and second power transmission elements against the rolling bodies; and a transmission device configured to change a gear ratio between an input and output by tilting the rolling bodies. Young's moduli of a contact section and an additional contact section, in contact with the rolling body, of one of the first and second power transmission elements are larger than those of other one of the first and second power transmission elements.

Abstract: A differential gear includes a differential casing having a first differential case portion that defines a first output shaft opening and a second differential case portion that defines a second output shaft opening. The first differential case portion can include an annular pocket formed thereon and defined by an outer circumferential wall, an inner circumferential wall and an end wall. A piston can be slidably disposed in the annular pocket and configured to actuate a clutch assembly. A first and a second side gear can be rotatably mounted within the differential casing. The first and second side gears can be co-axially aligned along an axis of rotation of the differential casing.

Abstract: A system includes a desired turbine power module and an engine actuator module. The desired turbine power module determines a desired amount of power at a turbine of a torque converter based on an accelerator pedal position and a vehicle speed. The torque converter transfers torque from an engine to a driveline and includes an impeller and the turbine. The impeller is connected to a crankshaft of the engine. The turbine is connected to a transmission in the driveline and is at least one of hydraulically coupled and mechanically coupled to the impeller. The engine actuator module controls an actuator of the engine based on the desired turbine power.

Abstract: A planetary stage of a planetary gear unit with a gearbox housing includes a ring gear, at least one planet gear, and a sun gear, which are rotatably positioned. The ring gear is connected via a tappet to a sun gear shaft of an upstream planetary gear stage, and is rotatably mounted in the gearbox housing. The planetary gear unit exhibits increased robustness by connecting the ring gear on a side opposite the tappet to a ring gear support that is seated in the gearbox housing.