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Planetary gear transmission systems or components July category listing 07/06

20060166771 - Differential gear apparatus: A differential gear apparatus according to the present invention comprises a first sun gear coupled to a first shaft to be rotated in conjunction with the first shaft, a second sun gear coupled to a second shaft to be rotated in conjunction with the second shaft, a first planetary gear...

20060166773 - Electrically variable transmission having two planetary gear sets with one stationary member: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and four or five selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or...

20060166772 - Hybrid driving device and automobile with device mounted thereon: A hybrid driving unit (7) in which a second electric motor (23) is disposed on the side closer to the front (the side closer to an internal combustion engine (5)) than a first electric motor (20). A casing member (14) is formed such that an inner diameter of a part...

20060166774 - Powertrain for a hybrid vehicle with all-wheel drive capability and method for controlling wheel slip: A hybrid-electric powertrain and control method for a vehicle having forward traction wheels and rearward traction wheels in an all-wheel drive configuration. An engine and an electric motor deliver power through delivery paths to the traction wheels. The power delivery paths may have multiple ratio gearing so that more power...

20060166775 - Torque split hydraulic coupling between transmission and secondary driving axle with torque modulation and locking capabilities: A power transmission system coupling (100) configured to provide a responsive and controllable clutch (110) using a torque split arrangement including a planetary gear set (106) for torque modulation, together with a locking device (134) to maximize torque transfer capability when modulation is not required....

20060166776 - Hydraulic control system for power transmission assembly: A power compounder, for transmitting rotary power from a transmission to a driveline assembly includes a housing adapted to be mounted to the transmission. An input shaft is rotatably supported by the housing and adapted to be driven by the transmission. The compounder further includes an output shaft adapted to...

20060166777 - Power transmission system and operation method thereof: Between a speed reducing mechanism (15, 17, 19) for speed-reducing drive power of an electric motor and a differential apparatus (7) for distributing speed-reduced drive power to axle ends is disposed a clutch (5) configured for interruptive transmission of drive power....

20060166778 - Vehicular drive system: A vehicular drive system including a first electric motor, a differential mechanism operable to distribute an output of a drive power source to the first electric motor and a power transmitting member, a second electric motor disposed in a power transmitting path between the power transmitting member and a drive...

20060166779 - Eight-speed transmissions with four planetary gear sets: Eight-speed transmissions are provided that include four planetary gear sets having seven torque-transmitting mechanisms and various fixed interconnections to provide eight forward speed ratios and at least one reverse speed ratio. The powertrain includes an engine and torque converter that is continuously connected to at least one of the planetary...

20060166780 - Planetary transmissions having three interconnecting members and clutched input members: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and three interconnecting members. The powertrain includes an engine...

20060166781 - Composite planetary device: A composite planetary speed reduction device (1), wherein gears (11), (12), and (13) and rollers (21), (22), and (23) forming a planetary gear speed reduction mechanism (10) and a planetary roller speed reduction mechanism (20) are integrally rotated around a common rotating center axis, respectively. The radius of the sun...

20060166782 - Quiet, vibration-free superimposed transmissionfor a superimposed steering system: In a superimposition transmission for a superimposition steering unit, in which a steering angle set by the driver can, in the event of need, be superimposed by an additional angle, with at least two toothed gears, at least one first toothed gear in the transmission is provided, which toothed gear...

20060160649 - Fluid pump for a transmission: An input member from an engine drives a fluid pump to provide hydraulic control and lubrication to transmission components. The fluid pump is positioned between the input member and an auxiliary device, such that a common driven member provides power to the fluid pump and the auxiliary device....

20060160650 - Electronically actuated locking differential: A locking differential having a collar member (35) fixed to rotate with the gear case (11), but free to move axially, and cooperating with a first sidegear (19) to define interdigitated lock members (41,43) operable, when the collar member is locked (FIG. 1), to prevent rotation of the first sidegear...

20060160651 - Thermally compensating bearing preload arrangement in axle assembly: A power transmission device includes a housing, a differential assembly having a case and a bearing assembly rotatably supporting the case within the housing. A preload is applied to the bearing assembly along a load path. A shim is positioned in the load path with the bearing assembly. The shim...

20060160652 - Spur gear differential: A spur gear differential (10) is used in a vehicle. The spur gear differential (10) includes a plurality of sets of planet gears (24a, 24b). The first planet gear (124a) is positioned to engage a first side gear (26) and a second planet gear (25) is positioned to engage a...

20060160653 - Planet carrier for a gearbox: A planet carrier (2) for a gearbox, especially an automatic or power shift gearbox, is provided, including at least one planet gear (4) which is connected to a sun gear and a rotor wheel. The planet carrier is embodied in two parts and is made in two bodies (11, 12)...

20060160655 - Gear transmission unit with planet carrier: A planetary type gear transmission unit suitable for a wind turbine comprises sun (27), planet (25) and ring (24) gears and a planet carrier (41), the planet carrier comprising a planet bogie plate (43) which supports and locates circumferentially spaced planet gear bearings (45,46) on which the planet gears are...

20060160654 - Planetary gear carrier: The invention relates to a planetary gear carrier (5) for a planetary gearset (1), comprising a web (10) for accommodating planetary gear pins (9), on which planetary gears (8) of the planetary gearset (1) are seated, an oil baffle (14), which axially abuts the web (10) on the side of...

20060154771 - Electrically variable transmission having six fixed speed ratios: A two-mode, compound-split, electromechanical transmission utilizes an input member for receiving power from an engine, and an output member for delivering power from the transmission. First and second motor/generators are operatively connected to an energy storage device through a control for interchanging electrical power among the storage device. The transmission...

20060154772 - Powertrain with electrically variable transmission: A hybrid powertrain incorporates an engine, two motor/generator units and three planetary gearsets along with three torque-transmitting mechanisms to provide a two-mode compound-split electrically variable transmission....

20060154773 - Speed transmission apparatus: A speed transmission apparatus containing a first rotary crankcase, a double planetary gearset, a first rotation transmission arranged at an intermediate output of the first gearset, a second rotation transmission arranged at an intermediate input of the second gearset, a first intermediate shaft arranged in one of the first and...

20060154774 - Rotor controlled transmission: A rotor controlled CVT including: input and output shafts (28,44), an elongated cam-shaped rotor (12) which is uniformly and linearly tapered over its length and is engaged for rotation with the input shaft, a plurality of cam follower units (54) which are located in structure about and are reciprocated by...

20060154775 - Transmission and constant speed accessory drive: A method of operating a belt drive accessory system comprising the steps of transmitting a torque with a first endless member from a driver member to a planetary ball transmission input, coaxially aligning the planetary ball transmission input with a planetary ball transmission output, transmitting a torque by a second...

20060154776 - Automated inter-axle differential locking system: The present invention relates to an automatic inter-axle differential (IAD) locking system for a vehicle having a tandem drive axle. The IAD lock system comprises a vehicle IAD having a rotating sliding clutch mechanism and a rotating side helical gear. If the absolute difference between the sliding clutch revolutions per...

20060154777 - Planetary manual transmission: A powertrain has a power transmission including a pair of planetary gearsets. The planetary gearsets are selectively interconnectible with an input shaft through a plurality of synchronizer mechanisms to provide ten forward speed ratios and two reverse speed ratios....

20060154778 - Pinion pin securement apparatus for a planetary carrier assembly: A planet carrier assembly has a plurality of pinion gears rotatably mounted on pinion pins, each pin having a slot formed thereon. A locator ring is assembled onto the pinion pins and rotated in a manner such that the locator ring engages the slots in the pinion pins and a...

20060148606 - Electrically variable transmision having three interconnected planetary gear sets: 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 or five selectable torque-transfer devices (two clutches and two or three brakes). The...

20060148605 - Electrically variable transmission having three interconnected planetary gear sets, two clutches and at least two brakes: 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 or five selectable torque-transfer devices (two clutches and two or three brakes). The...

20060148604 - Electrically variable transmission having three planetary gear sets and three fixed interconnections: 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 three selectable torque-transfer devices (two clutches and one brake. The three selectable torque transfer...

20060148607 - Transmission for power take-off: A PTO transmission transmits power from an engine-driven shaft to a PTO shaft. The transmission includes a variable displacement hydraulic pump driven by the engine-driven shaft. A planetary transmission unit includes a ring gear driven by the engine-driven shaft, a planet carrier drivingly coupled to the PTO shaft, planet gears...

20060148608 - Internal teeth oscillating inner gearing planetary gear system: An internal teeth oscillating inner gearing planetary gear system is provided with an input shaft, an eccentric gear rotated by the input shaft, the internal oscillating body oscillatingly rotated through the inner circumferential surface of the eccentric gear, and an external gear meshed with the internal oscillating body....

20060148609 - Electric and hybrid electric powertrain for motor vehicles: A powertrain for transmitting power to a driven wheel of a motor vehicle includes a power source that includes a reversible electric machine. A first transmission includes an input driveably connected to the power source, a first output, and a mechanism for producing a stepless variable range of ratios of...

20060148610 - Planetary transmissions having two interconnecting members and clutched input members: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and two interconnecting members. The powertrain includes an engine...

20060148611 - Fixing the position of a planet gear pin: A planet gear pin (4) is secured against axial displacement relative to a planet gear carrier (1) using an elastically deflectable or deformable retaining element (9, 9a, 9b) arranged in a location hole (10) in the planet gear pin (4)....

20060148612 - Planetary gear replacement method: A method permits replacement of components of existing epicyclic gear mechanisms of a wind energy system without having to lift the gear mechanism down from the gondola. In accordance with the method, the housing is divided up alternately in its first parting plane and in its second parting plane and...