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VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH DIFFERENTIAL

Subclass of:

475 - Planetary gear transmission systems or components

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
475198000VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH DIFFERENTIAL85
20090075776DRIVE TRAIN FOR A MOTOR VEHICLE AND POWER DIVIDER THEREFOR - A drive train for a motor vehicle, which has a front axle and a rear axle, of which one is driven constantly and the other is driven as required, with a drive unit which is installed in the motor vehicle transversely at the front and provides drive torque via an output member, the output member being connected to the constantly driven axle, with an angular gear which is arranged in the region of the front axle and is connected to a cardan shaft which serves for transferring drive torque to the rear axle, and with a friction clutch arrangement for cutting in the axle driven as required, wherein the friction clutch arrangement is integrated with the angular gear in the region of the front axle.03-19-2009
20090264238MULTI-SPEED TRANSAXLE FOR A FRONT WHEEL DRIVE VEHICLE - A front wheel drive 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing.10-22-2009
20100216586QUICK-CHANGE TRUCK DRIVE - The drive train of a truck is modified by the addition of a single changeable pair of mating gears positioned between the output shaft of the transmission and the intermediate gear train that drives the ring/bull gear fixed to the drive-axle differential for a first set of drive wheels. One gear of this changeable pair is releasably connected to the distal end of the output shaft of the transmission, while the mating gear is releasably connected to the input of the intermediate gear train of the ring/bull gear for single drive-axle trucks or to the housing of a high-bias drive-shaft differential having co-axial output shafts for tandem drive-axle trucks. These changeable gear pairs are preferably maintained in stock in predetermined ratios so that the drive ratio of the truck can be quickly, easily, and inexpensively altered by the selection of an appropriate gear pair to accommodate different expected operating conditions.08-26-2010
20100331132DCT transmission utilizing a two axis chain - A vehicle dual clutch transmission is provided which includes a first clutch housing driven along a first axis extending generally aligned with the output axis of an engine. A second clutch housing is provided which is chain driven from the first clutch housing and extends along a second generally parallel axis. First and second input shafts are respectively driven by the first and second clutches. An output shaft or shafts is provided that is driven by the input shafts and has selective meshed torsional force transferring gear contact therewith. A differential input gear is driven by the output shaft(s).12-30-2010
20110082002Continuously Variable Rear Axle - A continuously variable rear axle allows for increasing the number of rear axle ratios, and thereby further allowing low drive ratios for high speed, low torque applications, and high ratios for low speed, high torque situations utilizing otherwise industry standard transmissions.04-07-2011
20110251011HYBRID POWERTRAIN AND DUAL CLUTCH TRANSMISSION - A dual clutch transmission is provided including a transmission input member, a first output member, a first, second, third and fourth gear sets, a first and second countershafts, and a first and second sleeve shafts. In operation, the first countershaft is engaged to the first sleeve shaft or the second countershaft is engaged to the second sleeve shaft, at least one of the first and second gears of the first and second gear sets is engaged to at least one of the first and second sleeve shafts, and at least one of the first and second gears of the third and fourth gear sets is engaged to at least one of the first and second countershafts to establish at least eight forward speed ratios between the transmission input member and the output shaft.10-13-2011
20110256976DRIVE TRAIN FOR A MOTOR VEHICLE - A drive train system comprising a power transfer unit configured to selectively transfer power from a front driveshaft of a vehicle by providing an output torque through a ring gear, wherein the power transfer unit includes an input shaft that receives torque from a first device, and a first clutch configured to selectively couple the input shaft to the ring gear when activated; a cardan shaft in rotational communication with the ring gear and configured to transfer the output torque; and a rear drive unit coupled to the cardan shaft and configured to selectively transfer the output torque received from the cardan shaft to a rear driveshaft of the vehicle, wherein the rear drive unit includes a torque shaft that is driven by the output torque received from the cardan shaft, and a second clutch that is configured to selectively transfer the output torque from the torque shaft to the rear driveshaft when activated.10-20-2011
20110275470AWD VEHICLE WITH DISCONNECT SYSTEM - A vehicle drive train for transferring torque to first and second sets of wheels includes a first driveline adapted to transfer torque to the first set of wheels and a synchronizing clutch. A second driveline is adapted to transfer torque to the second set of wheels and includes a power disconnection device and a friction clutch. A hypoid gearset is positioned within the second driveline in a power path between the synchronizing clutch and the power disconnection device. The friction clutch and the power disconnection device are positioned on opposite sides of the hypoid gearset. The hypoid gearset is selectively disconnected from being driven by the first driveline, the second driveline or the wheels when the synchronizing clutch and the power disconnection device are operated in disconnected, non-torque transferring, modes.11-10-2011
20110306456GEAR TRANSFER DUAL CLUTCH TRANSMISSION - A dual clutch transmission having improved packaging and reduced spin losses provides a five, six or seven forward speeds and reverse. An input shaft includes two or three gears which are in constant mesh with and directly drive associated gears freely disposed on a pair of parallel quills. Synchronizer clutches associated with these driven gears selectively synchronize and connect the gears to the quills which are, in turn, connected to countershafts residing within the quills. Additional gears which are in constant mesh with a pair of ring (output) gears are synchronized and connected to the countershafts by additional synchronizer clutches. Activation of two synchronizer clutches and one input clutch provides a selected gear ratio and transfers torque from the input shaft to the output ring gears.12-15-2011
20120142478Powertrain for a Motor Vehicle - A power train for a vehicle comprising an engine with an output shaft; a transmission disposed on a centerline having a drive input disposed laterally on a first side of the centerline and a drive output disposed laterally on a second side of the centerline opposite of such first side; a first differential having an input shaft aligned with and connected to the drive output of the transmission, a first output shaft projecting through an opening in the transmission and a second output shaft; a first transversely disposed axle having a second differential; a second transversely disposed axle having a third differential; a first drive train interconnecting the engine output shaft and the transmission drive input; a second drive train interconnecting the first output shaft of the first differential and the second differential; and a third drive train interconnecting the second output shaft of the first differential and the third differential.06-07-2012
20120220414Continuously Variable Transmission System - The invention relates to a continuously variable transmission (CVT) system, governed by an inertia mechanism that provides an additional degree of freedom, conferring dynamic properties on the transmission. The complete system includes three distinct subsystems. The first subsystem transforms the rotating movement from the drive system into a movement with oscillating angular speed and regulates the amplitude of said movement. The oscillating rotation at the output of the first subsystem is used to drive the second subsystem, which acts as a regulating element by means of the inertia mechanism. In this manner, the second subsystem acts as a torque-regulating element, providing a signal representing the oscillating angular speed at the output shaft thereof. The oscillating rotation at the output of the second subsystem is rectified in the third subsystem, thereby providing a signal representing angular speed in a single direction of rotation at the output shaft.08-30-2012
20130017921APPARATUS FOR SUPPORTING A PINION SHAFT OF A DIFFERENTIAL FOR A MOTOR VEHICLEAANM Meixner; ChristianAACI IngolstadtAACO DEAAGP Meixner; Christian Ingolstadt DE - An apparatus includes a bearing assembly rotatingly supporting a pinion shaft of a differential for a motor vehicle. The bearing assembly has inner and outer rolling-contact bearings arranged in axially spaced-apart relationship and disposed in O-configuration. A driving gear is arranged on the pinion shaft between the inner and outer rolling-contact bearings and held on the pinion shaft circumferentially in fixed rotative engagement and/or formfitting engagement. Adjacent to the driving gear on the pinion shaft is an intermediate ring and adjacent thereto is an inner ring of the outer rolling-contact bearing. A locking ring is clamped in an annular groove of the pinion shaft. A spring element biases the driving gear against an annular shoulder of the pinion shaft via the intermediate ring and inner ring of the outer rolling-contact bearing, with the spring element being constrained between the inner ring of the outer rolling-contact bearing and the locking ring.01-17-2013
20130035192POWER TRANSMISSION DEVICE AND ASSEMBLING METHOD THEREOF - An impact absorber is arranged between a first rotation member and a second rotation member that are coaxially arranged to rotate in a circumference direction around a rotation axis. The first rotation member has a recess continuously extending in a direction inclined to the rotation axis from a first end to a second end, and a lock part extending in the circumference direction from the second end of the recess. The second rotation member has a projection configured to be engaged with the recess continuously from the first end of the recess to the second end of the recess. The projection of the second rotation member is locked with the lock part of the first rotation member when the projection moves to the lock part from the second end of the recess.02-07-2013
20130065726CONTINUOUSLY VARIABLE TORQUE TRANSMISSION DEVICE - The continuously variable torque transmission device relates to the field of mechanical engineering. The device comprises a mobile mechanism of flexible brakes for gears that functions as a regulating unit having a base located on guides rigidly secured to a housing. The shafts of two spur wheels are secured in the base the spur wheels being engaged with each other and one of the spur wheels contacting the most mobile spur wheel which engages with a wheel seated on a countershaft. The shafts of these wheels are connected to each other by mobile intermediate plates. The other spur wheel contacts the other most mobile spur wheel which engages with a wheel seated on a drive shaft. The shafts of these pairs of wheels are connected to each other by mobile intermediate plates. The shafts of the mobile wheels are connected to each other by tension springs. Compression springs are mounted on guides between the housing and the base of the mobile mechanism of flexible brakes. The guides have limiters. The technical result is an improvement in technical characteristics.03-14-2013
20130090205Transaxle - A transaxle comprises a transmission differential unit including a frictional transmission mechanism and a differential mechanism. The frictional transmission mechanism includes an input shaft, a drive disc provided on the input shaft, and a driven disc whose outer peripheral edge frictionally contacts a disc surface of the drive disc. The differential mechanism includes a pair of coaxial output shafts, and a differential casing differentially connecting the output shafts to each other. The driven disc is ring-shaped and is fitted at an inner peripheral portion thereof on an outer peripheral portion of the differential casing so as to be unrotatable relative to the differential casing and so as to be slidable on the outer peripheral portion of the differential casing in the axial direction of the output shafts.04-11-2013
20130178323AWD VEHICLE WITH ACTIVE DISCONNECT COUPLING HAVING MULTI-STAGE BALL RAMP - A vehicle drive train includes a first power disconnection device and a first driveline for transferring torque to a first set of wheels. A second driveline for transferring torque to a second set of wheels includes a differential gearset having an output coupled to a second power disconnection device. A hypoid gearset is positioned within the second driveline in a power path between the first and second power disconnection devices. The second power disconnection device includes a clutch having a first set of clutch plates fixed for rotation with the differential gearset output. The clutch further includes a second set of clutch plates fixed for rotation with a shaft adapted to transfer torque to one of the wheels of the second set of wheels. A valve limits a flow of coolant to the clutch when the second power disconnection device operates in a disconnected mode.07-11-2013
20130178324POWER DIVIDER - A power divider for a drive of a continuously driven first wheel axle and another engageable wheel axle. The power divider has an input shaft, which is driven by a manual transmission, and a coaxial first output shaft. The first output shaft drives the continuously driven wheel axle. An intermediate shaft is disposed in the countershaft and drives a second output shaft. The first output shaft can be selectively driven, via a first clutch, with either direct or reduced transmission. This clutch is fixed to the input shaft and, in a first position for direct transmission, connects the input shaft directly to the first output shaft. Furthermore, the first clutch, in a second position, couples a first input gear to the input shaft, and drives the first output shaft, via the countershaft formed on the intermediate shaft, to drive the first output shaft at a reduced speed.07-11-2013
20130324345TORQUE LIMITER, VARIABLE TRANSMISSION RATIO DEVICE, AND TOLERANCE RING - This torque limiter is configured from a ring body and a spring-form part provided in the ring body. The ring body comprises a band-form metal plate and is bent approximately into a C-shape along the circumferential direction of a motor shaft and a lock holder. The spring-form part is formed so as to be capable of radial elastic deformation. The spring-form part is configured from main protrusions arranged in a compressed state between the motor shaft and the lock holder, and from sub-protrusions arranged in a non-compressed state. Further, grease is stored in a part or all of the concavities formed by the main protrusions and the sub-protrusions.12-05-2013
20130337960DISCONNECTABLE DRIVELINE WITH A MULTI-SPEED RDM AND PTU - A disconnectable all-wheel drive system for motor vehicles having a multi-speed power take-off unit and a multi-speed rear drive module.12-19-2013
20130345011TRANSFER MECHANISM FOR FOUR-WHEEL DRIVE VEHICLE - A simpler configuration for a power transmission element for realizing gear shift functionality and center differential functionality is achieved in a transfer mechanism (12-26-2013
20140080654SEVEN SPEED DUAL CLUTCH TRANSMISSION - A transmission includes an input member, an output member, first and second interconnecting members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.03-20-2014
20140179480CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE - Construction of a continuously variable transmission device for a vehicle is achieved that, when a shift lever is shifted to a selection position for a direction opposite the traveling direction at that time, it is capable of preventing the vehicle from continuing to travel at high speed in a direction opposite the direction intended by the operator. When the shift lever is shifted to a selection position of a direction opposite the traveling direction at that time, and the vehicle speed is faster than a specified speed (V06-26-2014
20140187376UTILITY VEHICLE - A utility vehicle is capable of switching between a two wheel drive mode for transmitting drive force to rear wheels and a four wheel drive mode for transmitting the drive force to front wheels and the rear wheels. The transmission includes an input shaft to which the drive force from an engine is inputted, a front wheel drive output shaft for transmitting the drive force of the input shaft to the front wheels, and a rear axle for transmitting the drive force of the input shaft to the rear wheels. A rear wheel drive output shaft is provided in a motive power transmission route between the front wheel drive output shaft and the rear axle.07-03-2014
20140274537TRANSAXLE WITH TANDEM AXLE - A transaxle with a tandem axle includes an engine, a transmission and a driveshaft. The transmission has an integrated interaxle differential mounted remotely from the engine. The transmission and the integrated interaxle differential are mounted on at least one vehicle frame member so that both are sprung weight on the vehicle. The driveshaft spans a gap between the engine and the transmission.09-18-2014
20140274538Tandem Drive Axle System with Simplified Rear Axle - A tandem axle system has a forward rear tandem axle and a rear rear tandem axle. A rear differential case, a first axle half shaft and a second axle half shaft extending from the differential case. The first axle half shaft has a first set of teeth and the second axle half shaft has a second set of teeth. The rear differential case has a set of teeth. A clutch collar is provided which has teeth on a surface. The teeth selectively engage with the first axle half shaft teeth and the second axle half shaft teeth. The teeth selectively engage with the teeth on the rear differential case.09-18-2014
20140296018VEHICLE - A transmission includes a drive force transmission/interruption mechanism that restricts the rotation of a propeller shaft. By operating a shift lever, the shift operation of the transmission and the operation of the drive force transmission/interruption mechanism can be performed, and a lock operation and an unlock operation of a differential lock mechanism can be performed. When a driver wants to bring a vehicle into a parking state, by operating a shift lever, a state is provided where a drive force transmission/interruption mechanism is locked so that the rotation of a propeller shaft is restricted, and the vehicle can be held in a stopped state by bringing a differential lock mechanism into a locked state. Since the vehicle can be brought into a parking state using the shift lever, a so-called parking lever becomes unnecessary so that the number of operation elements can be reduced.10-02-2014
20140309069DIFFERENTIAL OUTPUT CONTROL - Technologies relating to differential output control are disclosed. A differential output control apparatus may be coupled between a rotating device output and a controlled rotating output. The differential output control apparatus may comprise an adjustable mechanical link coupling two linked differential inputs, and configured to adjust a relative rotation speed or relative torque of the linked differential inputs. The differential output control apparatus may receive the rotating device output and adjust the adjustable mechanical link to control the rotation speed and/or torque of the controlled rotating output.10-16-2014
20140342869TRANSMISSION HAVING SELECTABLE POWER TRANSFER SHAFT - A front wheel drive transmission is adapted for all-wheel drive by the addition of a selectively engageable power take-off shaft. When a disconnect clutch is engaged, power may be transferred to rear wheels via a power take-off unit and a rear drive unit to improve vehicle mobility. When the disconnect clutch is disengaged, various components of the all-wheel drive system do not rotate, reducing parasitic losses and improving fuel economy. To provide packaging space for the disconnect clutch, the differential is moved to the left (driver side) of the driven transfer gear. A planetary differential, such as a double pinion planetary differential, is suitable for this location11-20-2014
20140357444CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE - A continuously variable transmission apparatus for a vehicle, may include a main shaft configured to receive torque of an engine, a subshaft disposed in parallel with and spaced apart from the main shaft, a reverse speed gear set having a reverse speed gear selectively connected to the main shaft, a first speed gear set having a first speed gear selectively connected to the subshaft, a second speed gear set having a second speed gear selectively connected to the subshaft, a variable shift apparatus engaged with the main shaft and the subshaft and continuously changing a ratio between rotation speeds of the main shaft and the subshaft so as to transmit torque of the main shaft to the subshaft, and an output gear set transmitting torque transmitted from the first speed gear or the second speed gear to a differential through a final reduction gear.12-04-2014
20150011349SINGLE SPEED AND TWO-SPEED DISCONNECTING AXLE ARRANGEMENTS - A disconnectable driveline arrangement for an all-wheel drive vehicle includes a power take-off unit having a disconnect mechanism, a rear drive module having a torque transfer device providing a disconnect function, a speed synchronization function and a torque biasing function, and a control system for controlling actuation of the disconnect mechanism and the torque transfer device. The power take-off unit and the rear drive module can each be equipped with a two-speed range shift unit which, under the control of the control system, permits establishment of high and low speed drive connections.01-08-2015
20150354682POWER TRANSMITTING SYSTEM OF A VEHICLE - Power system including differential-mechanism, clutch-mechanism, power-mechanism and dog-clutch disposed between an input rotary member to receive drive-force from a drive power source and output rotary-member to transmit drive-force to drive-wheels, the differential-mechanism including an input rotary element, output rotary element and reaction rotary element; the clutch-mechanism connecting two rotary elements of the input, output and reaction rotary elements of the differential-mechanism, to each other, the power-mechanism having predetermined gear ratio, and dog-clutch selectively placing a power path between the output rotary element and output rotary-member, in power transmitting state and power cutoff state; transmitting drive-force to drive-wheels while the clutch-mechanisms and dog-clutch are placed in engaged states. The dog-clutch engagement retainer mechanism holds the dog-clutch in engaged state while the power system turns in parking-lock-position inhibiting output rotary-member motion, and switching the dog-clutch from engaged to released when the power system switches to non-parking-lock position permitting the output rotary-member motion.12-10-2015
20160017968POWERTRAIN FOR A VEHICLE AND METHOD FOR CARRYING OUT LOAD CHANGES - A drive-train for a vehicle with at least one electric drive, which can be coupled via a driveshaft (01-21-2016
20160131254CONTINUOUSLY VARIABLE TRANSMISSION DEVICE - In order to reduce the amount of time from when signals are sent to solenoid valves 05-12-2016
475199000 Condition responsive 1
20150126320DIFFERENTIAL ASSEMBLY - The present disclosure provides a differential assembly with at least a first gear ratio and a second gear ratio. The differential assembly of the present disclosure can be integrated with an automatic transmission system thereby increasing the number of available gear ratios. A method of shifting to improve engine efficiency is also provided.05-07-2015
475201000 Differential is between prime mover and transission in the path of power flow 2
20150087463VEHICLE POWER TRANSMISSION DEVICE - There is a vehicle power transmission device in which a continuously variable transmission and a gear train are provided between an input shaft and an output shaft so as to be able to transmit torque between the input shaft and the output shaft, the gear train has at least one speed ratio that cannot be set by the continuously variable transmission. In the vehicle power transmission device, a forward-reverse switching mechanism is arranged along the same axis as an axis of the input shaft, a first clutch mechanism and a brake mechanism are provided, a second clutch mechanism is provided in a first torque transmission path that is routed from the input shaft to the output shaft via the continuously variable transmission, a third clutch mechanism is provided in a second torque transmission path that is routed from the output element to the output shaft via the gear train.03-26-2015
20170234415CONTINUOUSLY VARIABLE TRANSMISSION08-17-2017
475203000 Plural selectively driveable gears surround differential 2
20140309070MULTI RATIO DRIVE - A multi ratio drive including a first drive chain having a first drive chain engaged state and a first drive chain disengaged state; and a second drive chain having a second drive chain engaged state and a second drive chain disengaged state. The first drive chain drives the axle with a first gear ratio between the drive shaft and the axle when the first drive chain is in the first drive chain engaged state and the second drive chain is in the second drive chain disengaged state; the second drive chain drives the axle with a second gear ratio between the drive shaft and the axle when the second drive chain is in the second drive chain engaged state and the first drive chain is in the first drive chain disengaged state; and the first gear ratio is different from the second gear ratio.10-16-2014
20150337923Dual-Clutch Tranmission - Disclosed is a dual-clutch transmission, using two input shafts (11-26-2015
475204000 Variable speed or direction is planetary transmission 43
20090088283Vehicle transmission - A transmission includes a first gear, and a second gear is fixed to one end of a shaft with the second gear engaging the first gear. A bevel gear is rotatably supported on the shaft and engages a power input gear. A hub is fixed to the bevel gear for concentric rotation about the shaft; the hub having a splined outer section. A planetary gear set including a sun gear and a carrier are arranged concentrically about the splined outer section of the hub. A splined section is fixed to an opposite end of the shaft. A collar assembly includes first and second collars, each having internal teeth and external teeth. The first collar and the second collar are axially coupled together and independently rotatable relative to one another, and the collar assembly slidably engages the splined section and the splined outer section.04-02-2009
20090312136Biasing Drive Torque to an Axle in a Motor Vehicle - A system for transmitting power to vehicle wheels includes a transmission output connected to a first wheel set, a planetary gearset including an input and an output, whose speed is greater than a speed of the gearset input, and a coupler having a variable torque capacity, driveably connecting the transmission output and the gearset input.12-17-2009
20100004088DUAL CLUTCH MULTI-SPEED TRANSAXLE - A transaxle transfers torque to first and second axle shafts. The transaxle includes a main shaft, a planetary gearset, a first clutch transferring torque between the main shaft and a first member of the planetary gearset and a second clutch transferring torque between the main shaft and a second member of the planetary gearset. An input shaft is fixed for rotation with the first member of the planetary gearset. A countershaft is selectively driven by first, second, third and fourth speed gearsets associated with the input shaft. A final drive unit provides multiplied torque to a differential assembly adapted to drive the first and second axle shafts. Actuation of the first and second clutches selectively provides first through eighth discrete forward drive ratios such that each of the first, second, third and fourth speed gearsets transfers torque during provision of two of the first through eighth forward drive ratios.01-07-2010
20110045930VEHICLE TRANSMISSION - A transmission includes a bevel gear configured to provide power to a shaft of a vehicle and that is rotatably engaged with a collar assembly. The transmission also includes a planetary gear set selectively engageable with the collar assembly. The collar assembly includes a first collar and a second collar. The first collar and the second collar are axially coupled together and independently rotatable relative to one another. The collar assembly is slidable between a first position to engage the planetary gear set and rotate the shaft at a first speed, and a second position to disengage the planetary gear set and rotate the shaft at a second speed. Both the first collar and the second collar disengage the planetary gear set in the second position02-24-2011
20110195812TRANSVERSELY MOUNTED TRANSAXLE HAVING A LOW RANGE GEAR ASSEMBLY AND POWERTRAIN FOR A VEHICLE INCLUDING SAME - A transaxle can include a housing, a low range gear assembly, and a differential gear assembly. The low range gear assembly can be mounted in the housing and can include a ring gear, a carrier, planet gears, a sun gear, and a clutch. The ring gear, the carrier, and the sun gear can be mounted in the housing. The planet gears can be rotatably mounted on the carrier and can engage the ring gear while the sun gear can engage the planet gears. The clutch can be selectively movable between a first position where the clutch engages each of the sun gear and the carrier and permits rotation of the sun gear relative to the housing and a second position where the clutch engages each of the sun gear and the housing and rotationally fixes the sun gear relative to the housing.08-11-2011
20110224044TORQUE VECTORING AXLE ASSEMBLY - A vehicle driveline with an axle assembly having an input member, a first output member, a second output member and a power distribution system that includes a transmission and a differential. The differential has first and second differential outputs. The first differential output is coupled directly to the first output member. The transmission is configured to control rotary power transmitted through the differential to the first and second output members. The axle assembly is operable in a first mode, which has no effect on a torque transmitted from the second differential output to the second output member, a second mode, which reduces the torque that is transmitted from the second differential output to the second output member, and a third mode that increases the torque that is transmitted from the second differential output to the second output member.09-15-2011
20120058854TRANSMISSION DEVICE FOR WORK VEHICLES - Disclosed is a transmission device for work vehicles, said transmission device being capable of being used with high-horsepower engines, without an accompanying loss of power transmission efficiency or fuel economy. The transmission device is provided with: an input shaft (03-08-2012
20130303324TWO-SPEED DISCONNECTING DRIVELINE WITH ONE REDUCTION GEARSET - A vehicle driveline that includes an input member, a multi-speed transmission, a first differential assembly, a first bevel ring gear and a mode clutch that are disposed axially along a rotational axis of the input member. The multi-speed transmission includes a range collar that is axially movable along the input member axis.11-14-2013
20140128196CONTINUOUSLY VARIABLE POWER-SPLIT VEHICLE TRANSMISSION - A continuously variable power-split transmission (05-08-2014
20150051041DIFFERENTIAL GEAR - A differential gear for a vehicle including a pair of pinion gears and a pair of side gears meshed with the pair of pinion gears at a right angle. In order to improve the strength of the pinion gears and the side gears, less teeth are provided, and the size of each tooth is increased. The reference cone angle and the cone distance may be varied in accordance with the gear ratio, which may make it necessary to increase the size of a differential case that houses the gears. For front-drive vehicles, which is greatly limited in terms of space it may be difficult to suppress an increase in dimension of the differential gear. Accordingly, provided is a compact gearing that has improved strength in the pinion and side gears.02-19-2015
20160003333DRIVE SYSTEM FOR A VEHICLE, AND VEHICLE - A drive system for a vehicle has a drive motor and an axle. A driving torque generated by the drive motor is transmitted via a gear chain and a planetary transmission to the axle. The drive system can be assembled modularly, and wherein the planetary transmission is coordinated with the drive motor to determine an overall transmission ratio.01-07-2016
20160025190AUTOMATIC TRANSMISSION - An automatic transmission (01-28-2016
20160025200TRANSMISSION AND DIFFERENTIAL GEARING AND ENGINE AND GEARING UNIT - 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 said 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. The requirement for construction space is reduced and the use flexibility increased by the fact that the ring gear of the input stage can be coupled actively and for conjoint rotation to, or can be decoupled from, a planet carrier of the planet wheel of the input stage or to, or from, a planet carrier of the planet wheel of the load stage via a correspondingly provided and/or arranged coupling device.01-28-2016
20160069441ONE MODE CONTINUOUSLY VARIABLE TRANSMISSION WITH LOW LOSS CONFIGURATION - A one mode, front wheel drive continuously variable transmission includes a transmission input member interconnected to an engine of the motor vehicle, a transmission output member, a continuously variable unit having a first pulley pair, a second pulley pair, and a chain wrapped around the first pulley pair and the second pulley pair. A planetary gear set includes a first member, a second member, and a third member. The first member is connected to the first pulley pair and the third member is connected to the transmission input member. A clutch is selectively engageable to connect the first member of the planetary gear set with the transmission input member. A band brake selectively engageable to connect the second member with a stationary member. The transmission output member is interconnected to a differential supported by sets of ball bearings.03-10-2016
20160084362CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE - A continuously variable transmission for a vehicle may include an input shaft receiving torque of an engine, a first power delivery shaft disposed in parallel with and apart from the input shaft, a variable shift apparatus configured to change rotation speed of the input shaft and transmit the changed rotation speed to the first power delivery shaft, a second power delivery shaft selectively receiving torque of the first power delivery shaft, a third power delivery shaft disposed apart from the second power delivery shaft, a planetary gear set including first, second, and third rotation elements, and an idle gear set operably connecting the input shaft with the first rotation element of the planetary gear set in which the second rotation element is directly connected to the third power delivery shaft and the third rotation element is directly connected to the second power delivery shaft.03-24-2016
20160160964TRANSMISSION DEVICE - A transmission device, wherein the compound planetary gear mechanism increases the speed of the power transmitted to the input element and transmits the resultant power to the first and the second output elements when the fixable element is non-rotatably held stationary by the first brake; and the first and the second clutches are disposed on a side closer in the axial direction to the compound planetary gear mechanism than the first and the second planetary gear mechanisms.06-09-2016
20160178040DRIVE ASSEMBLY FOR MACHINES06-23-2016
20160178041DRIVE ASSEMBLY FOR MACHINES06-23-2016
20160200193VEHICLE AUTOMATIC TRANSMISSION AXLE ASSEMBLY07-14-2016
20160252171DRIVE MODULE WITH COMPACT DIFFERENTIAL MECHANISM09-01-2016
475205000 Plural planetary units combined with differential 23
20080269000Power unit - A power unit capable of downsizing rotary motors and enhancing efficiency of the power unit. In first and second planetary gear units, a first ring gear, a first carrier, a second sun gear, a first sun gear, a second carrier, and a second ring gear, capable of transmitting power to each other, are configured such that they satisfy a collinear relationship and are in a line in a collinear chart. The first carrier and the second sun gear are connected to a prime mover, and the first sun gear and the second carrier are connected to drive wheels. The first and second ring gears are connected to the first and second rotary motors, respectively. The first and second rotary motors are connected to each other. A transmission is disposed at least between the first rotary motor and the first ring gear or between the second rotary motor and the second ring gear.10-30-2008
20080280719Drive Arrangement For Vehicles With At Least Two Drivable Vehicle Axles - The present invention relates to a drive arrangement for vehicles with at least two drivable vehicle axles (V, H). The drive arrangement is particularly suitable for utility vehicles and agricultural tractors. It has at least one first motor (11-13-2008
20090118051TRANSMISSION DEVICE FOR DISTRIBUTING A DRIVE TORQUE TO AT LEAST TWO OUTPUT SHAFTS - A transmission device is proposed for distributing a drive torque to at least two output shafts (Ab05-07-2009
20090192005Wrap-Around Driveline with Multi-Speed Transmission - A vehicle driveline includes a multi-speed transmission that has four planetary gear sets having continuous interconnections and five torque-transmitting mechanisms selectively engagable to establish eight forward and at least one reverse speed ratio between the transmission input member and the transmission output member. The transmission input and output members define an axis of rotation parallel to an axis of rotation of an engine output member that drives the transmission. At least one rotatable element transfers torque from the engine output member to the transmission input member. The torque-transmitting mechanisms are packaged in different ones of six possible zones within the transmission casing. An additional, final drive planetary gear set and a differential mechanism are also included in the driveline.07-30-2009
20090192006TRANSMISSION FOR TRANSMITTING A DRIVE TORQUE FROM ONE DRIVE SHAFT TO TWO OUTPUT SHAFTS - A rear axle transmission unit is proposed for transmitting a drive torque from a drive input shaft to two drive output shafts via a differential unit and a device, which can be actuated and continuously adjusted by at least one motor for influencing the drive torque distribution level to the output shafts, such that the differential unit comprises a differential and a differential cage actively connected to the drive shaft and the device for influencing the drive torque distribution level comprises at least one planetary gearset as a transmission ratio stage which is actively connected to the differential cage and to an associated output shaft and which comprises a brake device. It is provided that the brake device is arranged laterally offset in the direction of a planetary axis next to planetary gears of the transmission ratio stage and at least approximately inside a radial extension area of the planetary gears around a longitudinal axis of the output shafts.07-30-2009
20090209384MULTI-SPEED TRANSMISSION FOR A FRONT WHEEL DRIVE VEHICLE - A front wheel drive 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing.08-20-2009
20090215571MULTI-SPEED TRANSMISSION FOR A FRONT WHEEL DRIVE VEHICLE - A front wheel drive 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a housing.08-27-2009
20090221392System for protecting a powertrain - A powertrain for a machine is disclosed. The powertrain has a power source and a transmission that is operably connected to the power source. The powertrain also has a differential that is operably connected to the transmission. The powertrain further has a first and second shaft that are operably connected to the differential. The first and second shaft respectively actuate a plurality of traction devices. The powertrain also has a clutch associated with the differential and configured to selectively reduce a total traction available to the machine by releasing the differential as a function of a torque produced by the power source.09-03-2009
20090221393Differential Gearing Unit For Motor Vehicles With Active Control Of The Drive Force Distribution - A differential gearing unit for motor vehicles is composed of a housing and, therein, a differential gearing, a step-up and step-down gearing and two controllable friction clutches, with the differential gearing being composed of a driven element and a first and a second drive output element, and transmitting an additional torque to the first and second drive output element as a function of the degree of engagement of the friction clutches. In order to be able to absorb very high forces with the smallest installation space and lowest amount of wear, the step-up and step-down gearing has a first element, which is rotationally fixedly connected to the driven element (09-03-2009
20090264239MULTI-SPEED TRANSAXLE - A front wheel drive transmission is provided having a transmission input member, a transmission 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.10-22-2009
20090264240MULTI-SPEED TRANSAXLE - A front wheel drive 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and a brake arranged within a transmission housing.10-22-2009
20100234161DRIVE FORCE ADJUSTMENT APPARATUS - A drive force adjustment apparatus includes a differential gear, a motor, a first gear mechanism and a second gear mechanism. The input element, the first output element, the second output element, the motor input element, the fixed element, and the connecting element are expressed as points I, R, L, M, F and C on a graph, a ordinate of which shows the number of revolutions and a abscissa of which shows relative ratios of the number of revolutions of the elements. Length of L-I is equal to length of R-I, I is located between L and R on a straight line L-R, C is located between L and M on a straight line L-M, and C is located between F and I on a straight line F-I. Or, length of L-I is equal to length of R-I, I is located between L and R on a straight line L-R, C is located between R and M on a straight line R-M, and C is located between F and I on a straight line F-I.09-16-2010
20100248885DUAL INPUT PLANETARY FINAL DRIVE - The present invention provides a final drive assembly having a differential driven by a planetary gear set having two inputs. The ring gear of the planetary gear set is stationary. One of the inputs is coupled to and drives the planet gear carrier which, in turn, is coupled to and drives the cage of the differential. The other input is coupled to and drives the sun gear of the planetary gear set. Incorporated into a suitable powertrain, for example, one having a dual clutch transmission (DCT) with two outputs, one associated with higher ratio (lower speed) gears and another associated with lower ratio (higher speed) gears, the sun gear carries power in the lower speed gears and provides torque multiplication. In the higher speed gears, power is carried by the planet gear carrier directly to the differential cage, bypassing the speed reduction, torque multiplication and gear mesh losses of the planetary gear set.09-30-2010
20110105265VEHICLE TRANSFER - A transfer that is one embodiment of the present invention has a power distribution mechanism 05-05-2011
20120058855AXLE ASSEMBLY WITH TORQUE DISTRIBUTION DRIVE MECHANISM - An axle assembly with an input member, a first planetary gear set, a differential assembly, and a second planetary gear set. The first planetary gear set has a first transmission input that is driven by the input member. The differential assembly has a differential carrier and first and second differential output members received in the differential carrier. The second planetary gear set has a planet carrier coupled to the differential carrier for common rotation. A sun gear of the first planetary gear set is non-rotatably coupled to a sun gear of the second planetary gear set.03-08-2012
20120083380MULTI-MODE DRIVE SYSTEM FOR TRANSAXLE APPLICATIONS - A vehicle drive system capable of selectively providing all-wheel drive and single-driven-axle modes includes a front drive unit having a planetary gearset with a grounded ring gear and a sun gear driven by the transaxle's drive spool via an input shaft, and a differential selectively coupled by a dog clutch to one of the sun gear or the planetary carrier, or neither of them, to thereby selectively provide both an available low range and a front axle disconnect. The front drive unit further defines a power take-off unit with a clutch selectively coupling the input shaft to a propshaft. The rear drive unit includes a planetary gearset with a grounded ring gear, a sun gear driven by the propshaft, and a differential selectively coupled by a dog clutch to one of the sun gear or the planetary carrier, or neither of them, to thereby likewise selectively provide both an available low range and a rear axle disconnect.04-05-2012
20120196716TRANSMISSION OF A POWER TRAIN FOR DISTRIBUTION OF THE DRIVE TORQUE BETWEEN TWO OUTPUT SHAFTS - A transmission device for distributing drive torque between two output shafts. The device comprises three planetary gearsets (08-02-2012
20120231916CLUTCH AND GEAR ARRANGEMENT FOR A FRONT WHEEL DRIVE VEHICLE - A front wheel drive 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing. Each of the clutches and the brakes are located within specific areas defined by the planetary gear sets and the housing walls.09-13-2012
20130260942MULTI-SPEED TRANSMISSION GEAR AND CLUTCH ARRANGEMENT - A transmission includes an input member, an output member, at least 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 that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.10-03-2013
20130324346MULTI-SPEED TRANSMISSION - 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 actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.12-05-2013
20140274539FULLY GEARED SINGLE INPUT ADAPTIVE CONTINUOUSLY VARIABLE TRANSMISSION - An adaptive continuously variable transmission (CVT) constructed to automatically adjust gear ratio in response to changes in power to an input shaft, and to the load applied to the output shaft while still transmitting power to the output shaft. The transmission blends three compound planetary gear sets together so that the instantaneous difference in rotational speed between the input and output shafts sets the gear ratio and torque output of the transmission.09-18-2014
20140302959TRANSMISSION ARRANGEMENT - A transmission arrangement for use with a motor vehicle which has left and right hand transmissions 10-09-2014
20160377157TRANSVERSE DUAL PLANETARY SYSTEM - A final drive unit for a motor vehicle includes a sprocket driven by a transmission, a first planetary gear set where one of the rotational members is connected to the sprocket, a second planetary gear set where one of the rotational members is connected to the first planetary gear set, and an actuator moveable between a low range position and a high range position. The actuator is rotationally coupled to a differential. When the actuator is in the low range position, the actuator rotationally couples one of the rotational members of the second planetary gear set to the differential. When the actuator is in the high range position, the actuator rotationally couples another of the rotational members of the second planetary gear set to the differential.12-29-2016
475206000 Transmission output shaft parallel to differential output shafts 4
20080242466Transmission for vehicles - A transmission for vehicles is provided with a plurality of drive gears, an input shaft connected to the drive shaft of an engine, an output shaft disposed parallel to the input shaft, a driven gear which meshes with each drive gear and is rotatably disposed on the output shaft, a synchromesh mechanism which has a sleeve movable in the axial direction of the output shaft, is engageable with a side portion of the driven gear, and couples the driven gear to the output shaft, and a parking gear formed integrally with the sleeve of the synchromesh mechanism. The parking gear and the bearing on the shaft end radially overlap each other. With this structure, the transmission is composed with a small number of components and has a reduced width.10-02-2008
20080242467Transmission for vehicles - A transmission for vehicles is composed of an input shaft provided with a plurality of drive gears and connected to a drive shaft of an engine, an output shaft disposed parallel to the input shaft, driven gears which mesh with the drive gears, individually, and are rotatably disposed on the output shaft, a synchromesh mechanism which includes a sleeve axially movable relative to the output shaft and engages with a side of the driven gears, thereby connecting the driven gears to the output shaft, and a parking gear formed integrally on a hub of the synchromesh mechanism, the parking gear radially overlapping a bearing from outside. Thus, there may be provided a transmission for vehicles that requires less component parts and has a small transverse dimension.10-02-2008
20090036251TRANSMISSION FOR VEHICLE WITH MULTI-GEAR SET - A transmission for a vehicle includes first to fourth counter shafts arranged in parallel with one input shaft, a reduction gear set including first to fourth reduction gears respectively provided at an output shaft and first to third counter shafts for connecting the output shaft and the corresponding counter shafts, an intermediate gear set including a driving gear, a driven gear and an idling gear for connecting the input shaft and the fourth counter shaft, and first to third gear mechanisms each provided between corresponding two shafts and each having two gear sets and one switching clutch provided between the corresponding two gear sets for selectively establishing a power transmitting path between the corresponding two shafts via one of the two gear sets or via the other one of the two gear sets.02-05-2009
20160121720MULTI-SPEED TRANSFER CASE - A transfer case (05-05-2016

Patent applications in class VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH DIFFERENTIAL

Patent applications in all subclasses VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH DIFFERENTIAL

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