| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 475248000 | Spur gear differential | 32 |
| 20080300086 | Variable Torque Biasing Device - Various embodiments of a torque biasing device for a rotating transmission are disclosed, and which are operable to vary the proportion of the outer torque transmitted to one or more output shafts. Multiple planetary gear sets are provided for speeding-up or slowing-down of ore shaft with respect to another, under the control of a computer. The invention is particularly applicable to motor vehicles. | 12-04-2008 |
| 20090163314 | TRANSMISSION DEVICE FOR DISTRIBUTING A DRIVE TORQUE TO AT LEAST TWO OUTPUT SHAFTS - A transmission device for distributing drive torque to two output shafts, including a differential with a driven differential cage. The outputs are connected to the differential, in which, between the differential cage and the output of one side, viewed in the direction of the flow of force, two plus-planetary gear trains are arranged adjacent and co-axial with the output. The gear trains have first and second sun gears, first and second planetary ranges with the first sun gear being connected to the differential and the second sun gear being connected with the first sun gear and the output. The segment of the planetary gear for actuating the transmission device or transferring torque is able to be braked and the segment of the planetary gear train reversing drive is coupled via a switching element to the transmission housing. | 06-25-2009 |
| 20090186739 | DIFFERENTIAL GEAR MECHANISM FOR VEHICLE - A differential gear mechanism includes a housing, first and second sun gears each including an external gear portion, and first and second planetary gears. The first and second sun gears include axial end surfaces pressed against contact surfaces provided at the housing by the first and second sun gears by means of thrust forces generated at engagement surfaces between the external gear portions and the planetary gears. Each of the sun gears includes a first portion having the external gear portion, a second portion, and a thrust force generating mechanism for generating thrust forces at the first portion and the second portion. A direction of the thrust force generated at the first portion by the thrust force generating mechanism is specified to be equal to a direction of the thrust force generated at the first portion by means of the engagement between the external gear portion and the planetary gear. | 07-23-2009 |
| 20090239698 | DIFFERENTIAL ASSEMBLY WITH ASSEMBLY OPENINGS - The invention relates a differential assembly in the form of a crown differential for being used in the driveline of a motor vehicle. The differential assembly ( | 09-24-2009 |
| 20100204000 | POWER-BRANCHED TRANSMISSION - A power-branched transmission for an agricultural vehicle is configured as a power-branched transmission having a secondary coupling. The transmission comprises a summation planetary gear set ( | 08-12-2010 |
| 20110245012 | SPUR GEAR DIFFERENTIAL - A spur gear differential ( | 10-06-2011 |
| 20130217533 | VEHICLE-DRIVING SYSTEM - A vehicle driving system includes, a first drive shaft and a second drive shaft; a differential mechanism; a drive input member which inputs a power from a driving power source to the differential mechanism; and a fastening member that fastens the differential mechanism and the drive input member together, wherein the differential mechanism includes: a first sun gear; a second sun gear; a first pinion gear; a second pinion gear that is engaged to the second sun gear and the first pinion gear; and a carrier that is fastened to the drive input member and rotatably supports the first pinion gear and the second pinion gear; and, wherein a spline joint portion that causes the carrier and the drive input member to be fitted in a spline manner is provided at an outer peripheral end portion of the carrier and an inner peripheral end portion of the drive input member. | 08-22-2013 |
| 20130274056 | INFINITELY VARIABLE MOTION CONTROL (IVMC) FOR A TRANSMISSION WITH A DIFFERENTIAL - Infinitely variable motion control (IVMC) provides motion control without any requirement for changing gears or use of a clutch. A spur gear transgear, defined as a system having an input, an output and a control, a variable pitch cam having an eccentric inner and outer cam assembly and a driver may be used to form a speed converter. The speed converter is used in various forms to provide an infinitely variable transmission, a differential, embodiments of wind and river turbines and pumps/compressors. In one embodiment, the speed converter drives first and second directional control assemblies to provide a vehicle with zero turn radius. A variable torque converter may be used in various embodiments to control torque from a minimum to a maximum by controlling movement of a rotor along a shaft in relation to a stator. | 10-17-2013 |
| 20140004989 | PLANETARY DIFFERENTIAL REDUCTION DEVICE | 01-02-2014 |
| 20140335992 | ROTARY POWER TRANSFER DISCONNECT DEVICE - A rotary power transfer disconnect device for use between first and second drive parts, with the first having an opening with teeth defined therein, and the second having external teeth located at least partially in the opening. A gap is located between the teeth so that the first drive part is rotatable relative to the second drive part. A sliding dog clutch having a spline sleeve with internal projections located on an inner periphery thereof that are engagable with the teeth on the outer periphery of the second drive part and external projections located on an outer periphery thereof that are engagable with the teeth on the inner periphery of the opening of the first drive part is slidable into the gap for driving engagement between the teeth and out of the gap to allow relative rotation between the first and second parts. | 11-13-2014 |
| 20140378264 | SUSPENDED MOUNTING OF A DIFFERENTIAL - A planetary gear ( | 12-25-2014 |
| 20150038280 | PLANETARY GEARBOX COMPRISING A DIFFERENTIAL - A planetary gearbox ( | 02-05-2015 |
| 20150111685 | COMBINED FRICTION BEARING IN A PLANETARY DRIVE - The invention relates to a planetary gearbox comprising at least one sun gear ( | 04-23-2015 |
| 20160010736 | AXLE DIFFERENTIAL TRANSMISSION FOR AN ENGAGEABLY DRIVEN VEHICLE OF A MOTOR VEHICLE | 01-14-2016 |
| 475249000 | With means to limit overspeed of one output | 11 |
| 20090048056 | DIFFERENTIAL GEAR ASSEMBLY - A differential gear assembly is disclosed. The differential gear assembly includes a first sun gear and a second sun gear coaxially aligned with each other; a first set of planetary gears in mating engagement with the first sun gear; and a second set of planetary gears in mating engagement with the second sun gear. The first and second sets of planetary gears are in mating engagement with each other. The differential gear assembly also includes a first set of friction members, each of which faces a respective one of axial ends of the first set of planetary gears; and a second set of friction members, each of which faces a respective one of axial ends of the second set of planetary gears. The differential gear assembly further includes a first body connecting at least a plurality of said first set of friction members together, and a second body connecting at least a plurality of said first set of friction members together. | 02-19-2009 |
| 20090069139 | LIMITED SLIP DIFFERENTIAL WITH END TEETH - The invention relates to a limited slip differential, more particularly for being used in the driveline of a motor vehicle. The limited slip differential | 03-12-2009 |
| 20090203488 | DIFFERENTIAL GEAR FOR A MULTI-SHAFT WHEELED MOTOR VEHICLE, AND A DRIVE TRAIN COMPRISING SEVERAL SUCH DIFFERENTIAL GEARS - A differential gear, comprising a first releasable lock ( | 08-13-2009 |
| 20100227728 | LOCKING DIFFERENTIAL - A locking differential mechanism for supplying torque from a driveshaft to a pair of aligned output shafts including a pair of side gears, a central driver, and a pair of clutch members operatively coupled for rotation with the corresponding one of the pair of side gears. A cam assembly includes a pair of cam members. Each of the pair of cam members includes a plurality of camming teeth extending toward the corresponding teeth on the opposed cam member. Each of the cam members is movable from a first position where the cam teeth are disposed in meshing relationship with respect to each other when the pair of side gears are rotating at substantially the same speed and a second position spaced axially from the first position along the associated side gear so as to move an associated clutch member from its first position to its second position out of driven relationship with the central driver in response to a difference in rotational speed of the associated pair of side gears. | 09-09-2010 |
| 20120077635 | DIFFERENTIAL GEAR ASSEMBLY - A differential gear assembly is disclosed. In some embodiments, the differential gear assembly includes a first sun gear and a second sun gear coaxially aligned with each other; a first set of planetary gears in mating engagement with the first sun gear; and a second set of planetary gears in mating engagement with the second sun gear. The first and second sets of planetary gears can be in mating engagement with each other. In some embodiments, the differential gear assembly also includes a first set of friction members, each of which faces a respective one of axial ends of the first set of planetary gears; and a second set of friction members, each of which faces a respective one of axial ends of the second set of planetary gears. | 03-29-2012 |
| 20130035194 | LOAD SPLIT MECHANISM FOR GEAR TRANSMISSION - A method and apparatus for a transmission system selectively positioning sets of planet gear support bearings ( | 02-07-2013 |
| 20140121056 | DIFFERENTIAL WITH TAILORED TORQUE BIAS RATIOS - A differential with one or more friction and thrust washer sets so that axially generated thrust forces can be used in certain situations to affect a torque bias ratio of the differential. | 05-01-2014 |
| 20140179485 | LIMITED SLIP DIFFERENTIAL - A limited slip differential assembly includes a planetary gear assembly, a differential case, a differential gear assembly and a hydraulic clutch assembly. The differential case is coupled for rotation with a portion of the planetary gear assembly. The differential gear assembly is arranged within the differential case and includes a first side gear and a second side gear for coupling with first and second drive wheels of a vehicle, respectively. The hydraulic clutch assembly includes a clutch pack and a clutch actuator. Pressurized hydraulic fluid from a transmission pump is selectively provided to the clutch pack to actuate the clutch pack between an open configuration, in which the side gears rotate independently, and a fully closed configuration, in which the side gears rotate together such that the first and second drive wheels rotate at a same speed. | 06-26-2014 |
| 20150045171 | AXLE DIFFERENTIAL TRANSMISSION FOR AN ENGAGEABLY DRIVEN VEHICLE OF A MOTOR VEHICLE - An axle differential transmission for an engageably driven vehicle axle, which has two shaft ends and is part of a motor vehicle, wherein said axle differential transmission comprises a clutch assembly, which is integrated in a transmission case between a drive shaft and a housing input shaft of a differential stage, for selectively connecting a drive to the vehicle axle. The clutch assembly comprises clutch plates, wherein at least one part of the clutch plates comprises freewheel means, in order to transmit the driving torque, generated by the drive shaft in the torque transmission direction of the freewheel means that corresponds to a forward direction of travel of the motor vehicle, to the differential stage, as soon as this differential stage is above a defined limit torque and the driving torque is distributed in equal parts to the shaft ends of the vehicle axle. | 02-12-2015 |
| 20150065289 | Multiple Planetary Gear-Set with a Limited Slip Transmission System - A gear assembly with two inputs and two outputs which can be used on zero turn riding mowers or similar vehicles. The first input is a propelling input and the second input is a steering input. The assembly contains a planet carrier, a first planetary gear assembly, and a second planetary gear assembly. The propelling input is engaged with the planet carrier. The first and second planetary gear assemblies contain a ring gear. The steering input is engaged with the ring gears. The steering input is either a helical bevel gear, straight bevel gear, or a gear train. In another version, the gear assembly can have two planet carriers connected externally to the planetary gear assemblies. In this instance, a central gear is used in between the first planetary gear assembly and the second planetary gear assembly to connect the sun gears. | 03-05-2015 |
| 20160252173 | OUTPUT TRANSFER GROUP FOR MOBILE MACHINE POWERTRAIN | 09-01-2016 |
| 475252000 | Intermeshing planet pinions | 4 |
| 20090215576 | GEAR AND DIFFERENTIAL APPARATUS PROVIDED THEREWITH FOR VEHICLE - It is an object of the present invention to provide a differential apparatus for a vehicle with a gear obtaining a sufficient mechanical strength against any torsion torque and preventing from being large and heavy as a whole and preventing from making a high manufacturing cost. | 08-27-2009 |
| 20110045934 | SPUR GEAR DIFFERENTIAL - The invention relates to a spur gear differential ( | 02-24-2011 |
| 20140141922 | SPUR-GEAR DIFFERENTIAL - A differential ( | 05-22-2014 |
| 20150126322 | SUPPORTING AND GUIDING DISK IN A PLANETARY GEAR TRAIN - A gear unit combination including a differential transmission, a planetary gear stage, a common planet carrier, a plurality of planet sub-carriers arranged to have at least one external planet sub-carrier and to form the common planet carrier in a rotationally fixed manner, a bearing sleeve arranged within the at least one external planet sub-carrier, and at least one spur gear, wherein the bearing sleeve is arranged to radially position the at least one spur gear. | 05-07-2015 |
| 475253000 | With roller bearing between gear and its support | 3 |
| 20090105032 | Differential gear - A differential gear has a simple structure, is able to produce a difference of differential limiting force between a driving operation of a vehicle in which the differential gear is installed and a coasting operation of the vehicle, secures the strength of a thrust bearing adopted for the differential gear, and provides a stabilized differential limiting force, in the driving operation, helical side gears receive thrusting forces acting away from each other, the differential case has inward support faces to axially support the helical side gears, the helical side gear has an annular inward counter face and an annular outward counter face on the inner circumferential side of opposite ends of a teeth area, and between the inward counter faces, there is a thrust bearing having a plurality of circumferentially arranged rollers. | 04-23-2009 |
| 20100179014 | TORQUE DISTRIBUTING DIFFERENTIAL FOR A MOTOR VEHICLE - The invention relates to a torque-splitting differential ( | 07-15-2010 |
| 20160169371 | MULTIFUNCTIONAL BEARING RINGS FOR LIGHTWEIGHT DIFFERENTIALS HAVING AN EMBRACING CHANNEL | 06-16-2016 |
