Planetary gear transmission systems or components inventions 08/06

20060194665 - Transmission: A transmission (1) comprises a gear input shaft (2), a gear output shaft (3), several shift elements (7, 8, 9, 10, 11, 12, 13, 19), at least one planetary gearset (5) and an electrical machine (14). A required gear ratio can be adjusted as a function of the activation of...

20060194666 - Spare part set for a gearmotor series: A spare part set for a gearmotor series includes transmissions actuated by electric motors. The series has at least one dimension which may be characterized by at least one physical, mechanical and/or geometrical value, e.g., by nominal power, axis height or torque. Each electric motor includes at least one crankcase,...

20060189427 - Electrically variable transmission having three interconnected planetary gear sets, two clutches and 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 selectable torque-transfer devices (two clutches and two brakes). The selectable torque transfer devices...

20060189428 - Electrically variable transmission having two planetary gear sets with one interconnecting member and clutched input: 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, a fixed interconnection, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in...

20060189429 - Hydraulic control apparatus of automatic transmission: A hydraulic control apparatus is improved in reliability during a garage shifting with reducing costs of the apparatus. An electronic control unit controls equalizing the shift pattern (on-off pattern) during a first garage shifting when a manual valve is shifted from the neutral position to a drive position to the...

20060189430 - Motor-incorporated hypocycloid-type speed reducer: A motor-incorporated hypocycloid-type speed reducer includes: a motor housed in a case; a first larger internal gear; a second smaller internal gear coaxial with a motor shaft; an output shaft coaxial with the motor shaft, the output shaft being provided with the second internal gear; and an external gear. A...

20060189431 - Transaxle: An improved transaxle having space along an input shaft so that transmission fluid can flow along such input shaft. The input shaft is splined to a forward drum. In order for transmission fluid to be able to pass the splines of the input shaft and the mating splines of the...

20060189432 - Continuously variable transmission: Rotation of an input shaft is directly transmitted to a front carrier of a planetary gear mechanism, and rotation, which is speed-changed and reversed by a toroidal-type continuously variable speed change unit, is transmitted to a first sun gear. When a Low clutch is applied, rotation of an output carrier...

20060189433 - Differential assembly and transaxle including it: A transaxle comprising a transmission, a pair of coaxial axles, a deceleration assembly for decreasing output rotational speed of the transmission, a differential assembly for transmitting power from the deceleration assembly to the pair of axles, and a common housing incorporating the transmission. The differential assembly includes a pair of...

20060183588 - Powertrain with an electrically-variable transmission: A powertrain incorporates two electrical units, two planetary gearsets in a radially-stacked package to provide a shortened length of the transmission. The output members of the electrical units are interconnected by a gear mechanism, which is drivingly connected with a conventional differential mechanism, which is aligned within the radial package...

20060183589 - Rotation transmitting apparatus and vehicle steering apparatus: A rotation transmitting apparatus according to the present invention includes a first sun gear, a second sun gear, first planetary gears and second planetary gears. A carrier for supporting the respective planetary gears is integrally provided with a rotor of a speed change motor for changing a speed of rotation...

20060183590 - Multi-speed power splitting cvt: A power splitting CVT has a planetary mixer and variator. An input shaft is drivingly connected to a planet carrier. A plurality of planet gears are mounted to the carrier engaging both a sun gear on an inside diameter and a ring gear on an outside diameter. The ring gear...

20060183591 - Wet brake system for vehicles: A brake system (20) includes a differential carrier (22, 121) and output gear (26) operatively connected. At least one carrier rotary friction surface (43) is operatively connected to the differential carrier (22, 121). At least one side gear rotary friction surface (45) is operatively connected to one of the side...

20060183592 - An arrangement for driving a wheel of a vehicle, and a planet carrier: The invention relates to an arrangement for driving a wheel of a vehicle comprising a planetary gear set, which in turn comprises a planet carrier. At least one surface of the planet carrier has a toothed structure and extends in such a way that the toothed structure is exposed in...

20060183593 - Twin turbo-shaft engine with accessory gearbox drive means: The twin turbo-shaft engine according to the invention comprises a high pressure rotor and a low pressure rotor, at least one accessory gearbox driven by mechanical transmission means, main drive pinion means, on each rotor, driving power transmission means each associated with an input to a differential, the output of...

20060178242 - Variable biasing differential: A variable biasing differential provides an adjustable torque bias between two outputs. An input shaft provides drive torque to a carrier which receives a plurality of stub shafts and a like plurality of planet gears. A first set of planet gears drives a first sun gear and first output and...

20060178243 - Planetary transmissions having two non-continuously interconnected gear 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...

20060172843 - Hybrid power output apparatus and control method: In response to the driver's release of an accelerator, the procedure of the invention sequentially compares an observed charge-discharge electric power Wb of a battery with two reference values Wr1 and Wr2, which are set on the basis of an input restriction Win of the battery. The procedure changes over...

20060172844 - Power transfer unit for four-wheel drive vehicle: A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing units and first and second mode...

20060172845 - Drive module for a variable torque distribution: A drive module (5, 6) for a variable torque distribution in the driveline of a motor vehicle. The drive module (5, 6) has a first shaft (19) rotatably supported relative to a stationary housing (18); a second shaft (22) which is drivingly connected to the first shaft (19); and a...

20060172846 - Drive assembly for variable torque distribution: A drive assembly (1) includes a differential (3) with a differential carrier (7) and two output shafts (19) connected to the differential carrier (7) via a differential gear set (10). The assembly includes at least one transmission stage (25) with a first sun gear (26) connected to the differential carrier...

20060172847 - Torque-vectoring defferential: A differential for selectively vectoring torque to left and right axle shafts that rotate about an axis includes a cage that rotates about the axis as a consequence of torque applied to it. The cage contains gearing that transfers the torque to the axle shafts while accommodating for variances in...

20060172848 - Differential mechanism: A differential mechanism includes a casing having two opposite ends each having a cover longitudinally mounted thereon. A rotator assembly is mounted in the casing and has a seat received in the casing. A shaft is diametrically mounted in the seat, and two differential gears are respectively rotatably mounted to...

20060172849 - Driveline torque reducer: A vehicular powertrain system includes a prime mover having an output, a multi-ratio transmission having an input, and a torque reduction coupling system coupling the prime mover output and the multi-ratio transmission input. The exemplary torque reduction coupling system includes a clutch and a planetary gear set selectively coupling the...

20060172850 - Six-speed powertrain of automatic transmission for vehicle: A six-speed powertrain of an automatic transmission for a vehicle can realize six forward speeds and two reverse speeds with a smaller number of planetary gear sets than that of the prior art by including a stepped pinion type planetary gear set that has corresponding pinion gears of two planetary...

20060172851 - Multistage automatic transmission with three planetary gear sets: A multi-stage automatic transmission possesses an input drive shaft (AN), an output drive shaft (AB), three single planetary gear sets (RS1, RS2, RS3) as well as five shifting elements (A to E), via the pairwise selective closure of which, an entry speed of rotation of the input drive shaft (AN)...