Abstract: A drive is disclosed that is useful with a variety of apparatus for either multiplying torque or increasing rotational speed. The drive includes a supported inner shaft having a sun gear at one end, the inner shaft receivable through a hollow outer coaxial shaft having an engageable transmittance (a spur gear, for example) intermediate first and second opposite ends thereof. A planetary gear set platform is located at one end of the outer shaft, planet gears rotatably mounted thereabout in engagement with the sun gear received through the platform for rotation in a stationary ring gear. A right angle translate gear is affixed to the inner shaft adjacent an end thereof opposite the sun gear, a rotational source engagable at one of the translate gear and the transmittance and a utility output engagable at the other.

Abstract: A direct drive electric shift two speed planetary gearbox using a linear actuator to engage selectively the ring gear either to the housing or to the carrier by means of a synchronizing clutch to provide a low speed mode, a neutral mode, and a high speed mode of operation resulting in significant fuel efficiencies.

Abstract: An object is to provide a compact power transmission device which comprises a small number of parts and is compact in size, and which can transmit the rotation of a rotary shaft to a wheel with a high reduction ratio. A rotary shaft 11 is provided so as to be coaxial with an inner member 11 which comprises a hub ring 4 and a bearing inner ring 5. External gears 16a and 16b are rotatably provided around eccentric portions 14a and 14b formed on the rotary shaft 11. The external gears 16a and 16b mesh with internal teeth 18 formed on the inner periphery of a casing 1. When the rotary shaft 11 rotates, the external gears 16a and 16b mesh with the internal teeth 18 one after another, so that their centers rotate about the axis of the rotary shaft. When the rotary shaft 11 rotates once, the external gears 16a and 16b rotate about their own axes by an amount corresponding to the difference in number between the external teeth 17 and the internal teeth 18.

Abstract: A drive (A) for imparting rotation about an axis (X) includes an axial flux motor (4) having a stator (38) and a rotor (44), an output drive element (8), an epicyclic gear system (6) located between the rotor of the axial flux motor and the drive element. The gear system is located within and surrounded by the motor, thus rendering the drive highly compact along its axis.

Abstract: An oscillating gear device includes an axially fixed gear piece rotatable around a first axis and an axially oscillating gear piece that oscillates while being inclined with respect to the first axis. A plurality of pins held by one of the gear pieces engage with a plurality of tooth grooves of the other gear piece in engagement regions at a predetermined length in longitudinal directions of the pins. A formula rC0/rF0=ZC/ZF is satisfied, where rC0 is a distance between an arbitrary point on the central axis of the pin in a corresponding section corresponding to the engagement regions of the pin as viewed in the radial direction of the pin and the first axis, rF0 is a distance between the arbitrary point and the second axis, ZC is the number of pins of the one gear piece, and ZF is the number of tooth grooves of the other gear piece.

Abstract: A speed reducer 32 has an eccentric rotating member 56 which rotates along with a motor shaft 55 of an electric motor 11, an outer gear 57 which is rotatably supported by the outer circumference of the eccentric rotating member 56, an inner gear 58 which is fixedly disposed so as to be coaxial with the motor shaft 55 so as to engage with the outer gear 57, an output member 59 which is connected to an input member 37 of the motion converting mechanism 22 disposed so as to be coaxial with the motor shaft 55 so as to be not relatively rotatable about the input member 37, and an Oldham mechanism 60 which is disposed between the outer gear 57 and the output member 59 so as to transmit only a rotational component of the outer gear 57.

Abstract: A planetary drive servo actuator comprises a drive assembly operable to turn an output shaft. The drive assembly includes an outer cylinder configured to rotate within the housing and an inner cylinder configured to rotate within the outer cylinder. A clutch is operable to prevent the outer cylinder from rotating within the housing and to allow the inner cylinder to be rotated within the outer cylinder to turn the output shaft.

Abstract: Disclosed is a device for superimposing rotational speeds in a vehicle steering system. Said device comprises an input shaft (1) and an output shaft (2) that are arranged in a longitudinal direction relative to each other, a support system (IIa, IIb) which is fixed to the vehicle body and in which the input shaft (1) and the output shaft (2) are rotatably positioned so as to be mounted at least in part, a servodrive (6, 7) encompassing a stator (7) that is located on the support system (IIa, IIb) and a rotor (6) that is mounted so as to be rotatable parallel to the axis of the input shaft. The input shaft (1) is connected to a first toothed disk (3) while the output shaft (2) is joined to a second toothed disk (4). At least one additional toothed wheel (5) is mounted on the rotor (6) at a distance from the axis of rotation of the rotor (6) so as to be rotatable about its own axis around the input shaft (1).

Abstract: In an energy storage and recovery system suitable for a hybrid vehicle 1 and incorporating a flywheel 9, parasitic losses are minimised, thereby permitting a rotating flywheel to retain energy for a longer period of time. The flywheel is driven via an epicyclic gearset 13. An electro-hydraulic clutch 14 serves to decouple the annulus gear 21 so that it does not transmit any torque under certain vehicle operating conditions.

Abstract: Inventive embodiments are directed to components, subassemblies, systems, and/or methods for electric traction drives employing a continuously variable transmission (CVT) having a variator provided with a plurality of tilting traction planets and opposing traction rings. In one embodiment, an electric traction drive is provided with an electromotive device configured to transfer power to or from a traction sun of a CVT, In other embodiments, an electric traction drive is provided with an electromotive device that couples to certain components of a CVT such as a traction ring, a carrier assembly, and a main axle. Various inventive shifting assemblies having shift cams and shift cam cages can be used to facilitate adjusting the transmission speed ratio of a CVT. Various related devices include embodiments of, for example, a power input apparatus, a speed ratio shifter, a shift cam actuator, a shift nut, and a carrier assembly configured to support the tilting traction planets.

Abstract: A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components to provide motor/generator functionality, which reduces the overall size and complexity of the motor and transmission compared to when they are constructed separately. In one embodiment, rotatable components of a continuously variable transmission are coupled separately to an electrical rotor and to an electrical stator so that the rotor and stator rotate simultaneously in opposite directions relative to one another. In other embodiments, an electrical rotor is configured to transfer torque to or from a disc that is in contact with a plurality of speed adjusters, while an electrical stator is configured to transfer torque to a shaft that is operationally coupled to the speed adjusters via an idler.

Abstract: A multi-step transmission with forward and reverse gears comprises planetary gearsets, shafts and shift elements. The input shaft is coupled to the sun gear of gearset (P2) and, via a clutch (15), to a shaft (5) which is coupled to the carrier of gearset (P3) and, via brake (05), to the transmission housing and, via clutch (57), to shaft (7). Shaft (7) is coupled to the carrier of gearset (P2) and the ring gear of gearset (P1). Shaft (6) is coupled to the sun gear of gearset (P3) and the ring gear of gearset (P2) and, via clutch (36), to shaft (3) which is coupled the carrier of gearset (P1) and, via brake (03), to the housing. Shaft (4) is connected to the sun gear of gearset (P1) and can be coupled, via brake (04), to the housing. The output shaft (2) is connected to the ring gear of gearset (P3).

Abstract: A coaxial transmission, especially a hollow shaft drive, comprising a driving element (7) and a driven element (3), a plurality of radially mobile toothed quadrants (5) providing a gear ratio and transmitting a driving torque between the driving element (7) and the driven element (3). An internal gear (1) or especially the housing for receiving the inner gearing of the internal gear (13) are configured as a multipart structure.

Abstract: A modular transmission assembly includes a transmission housing that defines a hollow interior. The transmission housing extends along a central axis between a front end and a rear end. A rear motor module is disposed in, and is operatively connected to, the transmission housing. An inner module is disposed in, and is operatively connected to, the transmission housing. A main shaft is disposed along the central axis such that each of the rear and inner modules radially surround the main shaft. A front motor is disposed in the transmission housing and radially surrounds the main shaft. The inner module is axially disposed between the rear motor module and the front motor. An input module is connected to the front end of the transmission housing. The front motor is axially disposed between the inner module and the input module.

Abstract: In a wheel rotating apparatus including a motor and a planet gear mechanism to generate a drive force, the planet gear includes first and second gears having different diameters, connected to each other in an axial direction thereof with planet gear shaft. The first gear is inside the stator and the rotor in radial and axial directions of the wheel and the second gear is outside the first gear in an axial direction of the wheel. A vehicle may include a suspension connected to the base of the wheel rotating apparatus.

Abstract: A tubular drive has a hollow shaft and at least one drive wheel mounted on the hollow shaft so as to rotate. The hollow shaft is rotatably mounted in a flange. An electric motor with an integrated generator is supplied for relative rotational adjustment of the drive wheel on the hollow shaft. A vibration exciter, particularly for a vibration pile driver, has at least two axles disposed parallel to one another, as well as at least two imbalance masses, which are attached on one or more of the axles. There is at least one such tubular drive for adjusting the relative rotation position of the imbalance masses with regard to one another.

Abstract: A power-distributed wind turbine transmission for transmitting a torque generated by a rotor hub (1) to an output pinion (12) rotating with increased speed compared to the former to drive an electric generator, wherein at least two parallel-connected planetary stages (10a, 10b) are provided for power-distributed speed increase internal to the transmission, wherein further coupling of the rotor hub (1) is carried out by means of a connection ring element (2) on the input side of the transmission, which is rotatably supported by a large roller bearing (5) at a fixed transmission housing (3), and which transmits the force flow in a power-distributed manner to the hollow gears (6a, 6b) of the parallel-connected planetary stages (10a, 10b) by means of cardan-like decoupling means formed thereon.

Abstract: A method and system for executing a shift from a first fixed gear to a second fixed gear in a powertrain system comprising a two-mode, compound-split, electro-mechanical transmission operative to receive a speed input from an engine is described. It includes deactivating an off-going clutch, and generating a time-based profile for rotational speed of an oncoming clutch. The input speed is controlled based upon the rotational speed of the oncoming clutch and an output of the transmission. The oncoming clutch is actuated, preferably when the input speed is synchronized with a rotational speed of an output shaft of the transmission multiplied by a gear ratio of the second fixed gear, preferably after a predetermined elapsed period of time in the range of 500 milliseconds.

Abstract: A control drive, consisting of an electric motor and a planetary gear mechanism flush with the electric motor on the same axis of symmetry, comprising a ring gear, a planet carrier and three planet gears mounted on the planet carrier, the planet gears each having a front surface in the assembly direction in the area of their external teeth and the ring gear in the region of its internal teeth having three angle areas assigned to the planet gears of its end opposite the assembly direction in a defined angle position of the planet carrier to ring gear. The task of the present invention is to ensure that an economical and time-decoupled simple and rapid assembly of the three planet gears in the ring gear is possible without increasing the manufacturing expense on this account, in which only slight changes to existing forms are necessary.

Abstract: A hybrid electric vehicle and powertrain includes an engine and an electric machine connected to each other in a power-split arrangement. The electric machine is operable as a motor or a generator, and is offset from the engine, thereby reducing the overall length of the powertrain. A power transfer arrangement includes a planetary gear set in which the carrier is directly connected to an output shaft of the engine. The electric machine is connected to the planetary gear set through an intermediate gear, thereby facilitating the offset of the electric machine and the engine and facilitating an easy change of gear ratio for the motor/generator.

Abstract: A reduction gear includes a reduction mechanism, which includes: an external gear eccentrically rotatable about an input shaft; an internal gear internally meshing with the external gear and having a small number of difference between the teeth of the internal gear and the external gear; a disk for extracting only a rotational component of the external gear; an output shaft; and gears for transmitting the rotational component of the external gear from the disk to the output shaft. The disk, the gears and the output shaft are aligned in a direction perpendicular to an axial direction of the input shaft.

Abstract: The subject invention provides a wheel assembly (20) having a spindle (26) for attachment to a vehicle along a rotational axis (R). An electric motor (22) is disposed radially about the spindle (26) and includes a stationary stator (34) and a rotor (36) rotatable about the rotational axis (R) relative to the stator (34). A rotor support (40) is disposed about the spindle (26) and includes a collar (42) rotatably supported by at least one rotor support bearing (46) on the spindle (26). The rotor support (40) includes a flange (44) disposed within a predetermined axial distance (D) and extending radially outward from the collar (42) to support the rotor (36). A planetary gear system (62) interconnects the rotor support (40) and a wheel drive (52) for reducing rotational speed of the rotor (36) and increasing the torque of the wheel assembly (20).

Abstract: An electric variable inertia apparatus uses a servo drive device to drive a planetary gear mechanism to which a load assembly is attached to provide variable and wide-ranging rotational inertia. A planetary frame and a ring gear of the planetary gear mechanism act as two input ends of the electric variable inertia apparatus, and a rotated shaft of a sun gear assembly of the planetary gear mechanism acts as a load terminal. The load assembly is rotated at a controlled rotational velocity with the ring gear to generate a widely ranging rotational inertia to change a dissipating degree of an input energy from the planetary frame. The electric variable inertia apparatus can be used in different fields such as shock absorbers, stabilizers, dampers or vibrators in the automotive field, etc.

Abstract: An apparatus, system, and method are disclosed to adjust input to output ratios with a planetary gear system. The apparatus comprises a sun gear that receives rotational force from a first input. A plurality of planet gears encircle the sun gear and operably connect with the sun gear. A planet gear carrier connects to the planet gears and transfers rotational energy to an output. A ring gear encircles the planet gears. The ring gear is a stator of an electric motor and rotational motion of the stator is a second input. The ring gear contains permanent magnets that align with the coils of the stator. The interaction of the permanent magnets and the coils provide the second input which adjusts rotational input to output torque and speed ratios.

Abstract: A multi-speed planetary coupling transmission (3) which includes a plurality of planetary gear sets (4, 5, 6) and a plurality of shifting elements (A, B, D, E). Depending on actuation of the shifting elements (A, B, D, E), various gear ratios can be achieved by the transmission. At least one provided electric machine (EM1) is functionally connected with one of the planetary gear sets (6). From the electric machine (EM1), a torque can be introduced, via a shaft (6B) of the planetary gear set (6) associated with the electric machine (EM1), in order to support torque acting on the associated planetary gear set (6) and achieve a gear ratio in the transmission (3) via the electric machine (EM1).

Abstract: A speed reducer of the invention is a lever-typer speed reducer, which is configured to comprise a lever gear (4) which corresponds to an input gear of the conventional single-stage spur gear reducer but functions essentially in different manner, and a fulcrum gear (6), to increase a speed reduction ratio provide a self-locking feature and a stepless regulation of speed reduction by way of reducing or controlling the distance between a fulcrum (E) and a load bearing point (F).

Abstract: The present invention is a winch clutch assembly, where the deceleration mechanism of the winch contains an additional second internal gear ring, and its outer annular wall is provided with multiple equally distanced fitting indents. The clutch assembly, external to the deceleration mechanism, has clutch levers shifted in longitudinal motion, where the clutch levers are used either to immobilize in the fitting indents of the second internal gear ring of the deceleration mechanism or to release from their immobilized state, enabling the power to transmit or pause to the steel rope sheave of the winch, to accomplish the clutch function.

Abstract: A modular robot control system includes at least one actuator and circuit board. The actuator includes a hollow casing with an opening, a flywheel, a motor, a fixed gear, a rotating gear and a top cap sealing the opening. Flywheel is mounted between the top cap and the casing. A first and a second planet gears are mounted outside the flywheel rotatingly. The motor received in the flywheel has a rotor shaft on which the flywheel is mounted rotatingly. The circuit board is mounted with the casing and connected with the motor. The fixed gear is fixed in the flywheel and engages with the first planet gear. The rotating gear is connected inside the top cap and engages with the second planet gear. Accordingly, signal disturbance and noise produced during the operation of the robot control system of the present invention are low.

Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators and four selectable torque-transfer devices. The selectable torque transmitting devices are engaged to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transmitting devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.

Abstract: In a planetary gear unit 12 of a power transmitting device 10, a sun gear S1 is connected to an electric motor 20, a carrier CA1 is non-rotatably fixed to a case 40, and a ring gear R1 is connected to an output gear 13 and an oil pump 30. As a result, a structure of carrier being fixed/output power being taken out via ring gear is obtained. Therefore, for example, a structure can be employed in which the ring gear and the output gear are integrated. Accordingly, as compared with a structure in which a ring gear is fixed/output power is taken out via carrier and the output gear has to be axially offset and connected to a carrier, an axial space can be omitted, to allow the power transmitting device to be downsized.

Abstract: A transmission having a plurality of tilting balls and opposing input and output discs provides an infinite number of speed combinations over its transmission ratio range. The transmission provides multiple powerpaths and can be combined with electrical components to provide motor/generator functionality, which reduces the overall size and complexity of the motor and transmission compared to when they are constructed separately. In one embodiment, rotatable components of a continuously variable transmission are coupled separately to an electrical rotor and to an electrical stator so that the rotor and stator rotate simultaneously in opposite directions relative to one another. In other embodiments, an electrical rotor is configured to transfer torque to or from a disc that is in contact with a plurality of speed adjusters, while an electrical stator is configured to transfer torque to a shaft that is operationally coupled to the speed adjusters via an idler.

Abstract: A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions is characterized by fluid pressure being unavailable to at least one of the clutches.

Abstract: A drive for a working machine, in particular a press drive, includes an electric motor, a transmission, and a brake. The brake is disposed between the transmission and the electric motor. A forming device, such as a forming press, includes a press housing, a press shaft, and a drive for the press shaft. The drive is configured as outline above.

Abstract: A steering apparatus for an automotive vehicle is provided with an electric drive unit that varies a steering ratio between a road wheel angle and a steering wheel angle of the vehicle, a temperature sensor that detects a temperature of the electric drive unit, and a control unit including a steering ratio characteristic setting block that sets a characteristic of the steering ratio including a steering gain and a steering response rate in accordance with an operating state of the vehicle and, when the temperature of the electric drive unit exceeds a first temperature threshold, adjusts the steering response rate in such a manner that the steering response rate comes closer to a base steering response rate level as the temperature of the electric drive unit becomes increased and a drive block that drives the electric drive unit to vary the steering ratio according to the steering ratio characteristic.

Abstract: An operating system for a vehicle having an engine that provides an input shaft into a split-power transmission to actuate an output shaft that drives an axle and wheels of the vehicle. The split-power transmission uses a power summing device in order to provide a plurality of modes that are associated with a plurality of clutching and variable power units. By using the power summing device in association with the plurality of clutches and variable power units, a controller that is electrically connected to each is able to actuate the clutches and variable power units in order to provide an automatic transmission that shifts at synchronous speeds.

Abstract: An electrically variable transmission has a differential gear set with first, second and third members operatively connected between an input member and an output member. The input member is also operatively connected to an engine for receiving power from the engine. The transmission also includes a compound motor/generator that has a single stator and at least two rotors, referred to herein as first and second rotors. The single stator is operable to provide power to, receive power from and transfer power between the two rotors. The rotors are each operatively connected to a different respective member of the differential gear set. The transmission has a mechanical power path and an electromechanical power path. In some embodiments, selectively engagable torque-transmitting mechanisms are positioned to allow various modes of electrically variable power flow. Input-split and compound-split embodiments are presented.

Abstract: A vehicle with an axle assembly, which has a housing, a differential, an input shaft, a pair of shafts and a pair of wheel hubs, and an auxiliary drive unit that includes an electric motor and an overrunning clutch. The differential and the input shaft are disposed in the housing for rotation therein. The differential includes a case and a ring gear that is coupled to the case. The input shaft has a pinion that is meshingly engaged to the ring gear. Each shaft couples the differential to one of the wheel hubs. The clutch includes an input portion, which is coupled to the output shaft of the electric motor, and an output portion, which is coupled to the input shaft. The output portion is de-coupled from the input portion when a rotational speed of the input portion is not greater than a rotational speed of the output portion.

Abstract: An actuating device including a housing that is closed by a cover in such a way that both an electric motor and a gearbox unit are completely enclosed. An internal gear segment, arranged on an output shaft in a rotationally fixed manner, is positioned on a borehole of the cover. An axle on which a double toothed gear is arranged is then mounted on the output side, an a pocket hole in the cover. This reduces the overall length, as well as the number of components and the cost.

Abstract: The invention is directed toward an electro-mechanical simulated aquarium. It includes a novel combination of a planetary gear train driving two endless loops of transparent material in counter-rotating directions. Depictions of marine life are applied to the loops and the entire arrangement is housed in an aquarium-like enclosure in order to maximize its realism.

Abstract: A drive unit for a hybrid electric motor vehicle includes a bevel pinion driveably connected to a power source, a bevel gear meshing with the bevel pinion and aligned with an axis, first and second drive shafts, a differential mechanism including an input secured to the bevel gear for transmitting power between the input and the first and the second drive shafts, an electric motor/generator including a rotor, and a planetary gear set driveably connected to the input and the rotor for transmitting power between the rotor and the input such that a speed of the rotor is greater than a speed of the input.

Abstract: A motor-driven wheel driving apparatus has a wheel bearing, a planetary reduction gear, a driving section with an electric motor to drive the planetary reduction gear, and a rotation member. The wheel bearing includes a wheel hub, an inner ring, an outer member and double row rolling elements arranged between the inner and outer raceway surfaces. The planetary reduction gear includes an input element, a stationary element, a plurality of planetary, and an output element to rotatably support the planetary elements relative to a connecting shaft. The driving section forming the electric motor has a stator housing, a stator portion contained within the stator housing, and a rotor portion secured on the rotation member arranged opposite to the stator portion via a predetermined air gap. The connecting shaft is removably and torque-transmittably connected to the wheel hub.

Abstract: A continuously variable transmission has a drive shaft, a power takeoff shaft and a power branching device disposed therebetween and has a continuously variable power branch containing a variator, and a mechanical power branch parallel thereto. To provide a large adjustment range and a high level of efficiency in conjunction with a simple and space-saving configuration, the variator is an electromagnetic transmission with a rotatably mounted drive rotor connected to an input shaft, a rotatably mounted power takeoff rotor connected to an output shaft, and a stator connected fixed in terms of rotation and mounted axially displaceably. The rotors have permanent magnets which are each distributed circumferentially axially adjacent to one another and have alternating polarity. The stator has at least one short-circuit winding disposed radially adjacent to the permanent magnets and the effective transmission ratio being adjustable by axial displacement of the stator relative to the rotors.

Abstract: A method for charging a battery connected to an electric machine in a vehicle having an electrodynamic drive system including an electric machine and a planetary gearset. A crankshaft of the internal combustion engine is connected with a first element of the planetary gearset, the electric machine with a second element of the planetary gearset and a transmission input shaft with another element of the planetary gearset. A friction clutch detachably connects two elements of the planetary gearset, such that when the clutch is engaged, the planetary gearset runs in locked operation and when the internal combustion engine is running and the clutch is disengaged, a gear in the transmission is engaged to charge the battery via the combustion engine. The combustion engine drives the rotor of the electric machine with the transmission ratio of the planetary gearset.

Abstract: A highly energy efficient automobile that provides payload, safety and performance capacities similar to a comparable vehicle of a given vehicle class. The current invention is ideal for short to medium range urban and suburban driving. The current invention incorporates components in a unique and novel way, in which these components combine to form a system that produces an automobile that reduces overall air pollution while encouraging the commercialization of alternative energy sources. The current invention features an lightweight, low rolling resistance, digitally controlled and direct-drive electric propulsion system. A lightweight spaceframe with a suspension system provides a structure for mounting a low-aerodynamic-drag body system and other components. An intelligent power and thermal management system coupled with a removable auxiliary power module supplies the electrical energy required.

Abstract: In an adjuster (80) for a vehicle seat, in particular for a motor vehicle seat, having at least two components (81, 82) forming a load-bearing gear, which are movable relative to each other by way of a drive unit (10), wherein the drive unit (10) has a particularly electronically commutated motor (12) and a gear stage (14), the drive unit (10) is integrated into the load-bearing gear, and the motor (12) has at least one rotor (22, 24) borne in the load-bearing gear and rotating around an axis (A).

Abstract: In a drive train that includes an internal combustion engine and two electric drive units, drive torque of the internal combustion engine is superimposed on drive torque of an electric drive unit by means of a planet set to which the drive torque of the internal combustion engine is fed via a sun gear. The torque of the electric drive unit is transferred for different shift positions of a clutch by driving different ring gears of the planet set. The electric drive unit can be coupled directly to the input shaft via a clutch or can be coupled to a sun gear of the pick off gear unit via a clutch.

Abstract: A hydro-mechanical transmission system or electromechanical transmission system is described which uses pumps/motors or generators/motors having smaller capacity than those employed in the conventional techniques, irrespective of setting of a mode switching point that is a basis for shifting between an input split mode and a compound split mode. A sun gear 7 of a first planetary gear train 5 is connected to an input shaft 4; a carrier 9 of the first planetary gear train 5 is connected to a sun gear 11 of a second planetary gear train 6 and to a first pump/motor 16; a ring gear 10 of the first planetary gear train 5 is connected to a second pump/motor 20; and a ring gear 14 of the second planetary gear train 6 is connected to an output shaft 25.

Abstract: An electrically variable transmission (EVT) includes two shafts and a selectable one-way clutch (SOWC) having a first and second ring. The SOWC selectively connects the shafts, and is applied by moving the first ring and a blocking device in an axial direction into frictional contact with the second ring. A hydraulic piston applies the SOWC and a return spring releases it. The SOWC freewheels in both directions, or holds torque in one or both directions, depending on how the blocking device is rotated. A method for reducing losses in an EVT includes axially moving a second ring and blocking device of a SOWC into contact with a first ring, rotating the blocking device using frictional contact with the first ring, locking rotation of the first ring to apply the SOWC, and moving the second ring and blocking device an axial distance from the first ring to release the SOWC.

Abstract: A grinder for condiments such as pepper has a grinding rotor mounted to rotate relative to a grinding stator for grinding the condiment therebetween. An speed-reducing epicyclic geartrain is connected for transmitting torque between a motor and the rotor. The geartrain includes a plurality of spur gear epicyclic gearsets, each gearset comprising planet gears meshed with a sun gear, the planet gears of each gearset supported upon a planet carrier, the gearsets stacked within a common ring gear with the sun gears coaxial, adjacent sun gears and planet carriers of adjacent gearsets being rotationally fast for transmitting torque between the adjacent gearsets. The adjacent sun gears and planet carriers of adjacent gearsets are integrally formed a melt processable polymer. The gearsets are held between an end wall and a closure at axially opposing ends of the ring gear to form a gearbox, the end wall being formed integrally with the ring gear and the closure being fixed to the ring gear.

Abstract: Provided is a DC motor capable of eliminating a DC current reverse rectification performed in a conventional DC motor and enabling rotation of maximum torque at all rotation angle and having a shape and a function for facilitating a combination with a speed change gear mechanism. Also provided is a planetary gear dynamo using the shape and the function of the present invention and capable of reducing inverse torque when the function is used as a generator.