Patent application number | Description | Published |
20110045936 | MULTI STEP TRANSMISSION - A multi step transmission with comprising gear sets (P | 02-24-2011 |
20110045937 | MULTI STEP TRANSMISSION - A multi step transmission comprises planetary gearsets (P | 02-24-2011 |
20110045938 | MULTI STEP TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 02-24-2011 |
20110045939 | MULTI STEP TRANSMISSION - A multi-stage transmission comprising planetary gear sets (P | 02-24-2011 |
20110045940 | MULTI STEP TRANSMISSION - A multi step transmission comprising gear sets, shafts and shift elements. The sun gear of set (P | 02-24-2011 |
20110045941 | MULTI STEP TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 02-24-2011 |
20110045942 | MULTI STEP TRANSMISSION - The multi step transmission comprising gear sets (P | 02-24-2011 |
20110045943 | MULTI STEP TRANSMISSION - A multi step transmission comprises planetary gear sets (P | 02-24-2011 |
20120115671 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward gears and one reverse gear comprising four planetary gear sets, eight rotatable shafts and six shift elements. The sun gear of the first set is connected to fourth shaft which is couplable to a housing by the first brake, the carrier of the first set is connected to the third shaft, which is coupled to the housing by the second brake, which is detachably connectable to the drive shaft, via the first clutch, and via a second clutch is detachably connectable to the seventh shaft. The seventh shaft is connected to the ring gear of the second set and with the sun of the fourth set, and the drive shaft is connected to the sun of the second set and to the carrier of the third set. The sixth shaft is connected to the ring gear of the first set, the carrier of the second set and the sun gear of the third set. The ring gear of the fourth set is connected to the fifth shaft which can be coupled to the housing via the third brake. The output shaft, via a third clutch, is detachably connectable to the eighth shaft, which is connected to the ring gear of the second set and to the carrier of the fourth set. | 05-10-2012 |
20120115672 | MULTI-RATIO TRANSMISSION - A transmission comprising gear sets (P | 05-10-2012 |
20120122626 | MULTI-RATIO TRANSMISSION - A multi speed transmission comprising planetary gearsets (P | 05-17-2012 |
20120122627 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising four planetary gear sets, shafts, and shift elements, the sun gear of gearset (P | 05-17-2012 |
20120135834 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
20120135835 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
20120142486 | MULTI-RATIO TRANSMISSION - A multi step transmission comprises planetary gearsets (P | 06-07-2012 |
20120149525 | MULTI-RATIO TRANSMISSION - A multi-ratio transmission comprising four planetary gearsets, eight rotary shafts and six shifting elements including first, second, third and fourth clutches and first and second brakes. The shafts either directly couple or selectively couple, via the shifting elements, the gearsets to each other or a housing of the transmission so as to implement nine forward gears and one reverse gear. | 06-14-2012 |
20120149526 | MULTI-RATIO TRANSMISSION - A transmission comprising four planetary gear sets, eight shafts and six shift elements. The sun gear of gear set (P | 06-14-2012 |
20120149527 | MULTI-RATIO TRANSMISSION - The multi-ratio transmission with forward and reverse gears, gearsets (P | 06-14-2012 |
20120172172 | MULTI-RATIO TRANSMISSION - A multi-stage transmission comprising planetary gearsets (P | 07-05-2012 |
20130260945 | MULTI-STAGE GEARBOX OF PLANETARY CONSTRUCTION - A multi-stage planetary gearbox, in particular a torque split gearbox of a work machine, having a housing which accommodates four planetary gearsets, a plurality of shafts, and shift elements including brakes and clutches which implement different gear ratios between the drive and output shafts. The drive shaft couples a carrier of the third gearset which can couple, via a first clutch, a third shaft that is coupled to a ring gear of a second gearset and which can be connected, via a second clutch, to a fourth shaft connected to a sun gear of the third gearset. A fifth shaft couples a sun gear of the second gearset and can be locked, via a first brake, with the housing. A sixth shaft couples a ring gear of the third gearset and a carrier of the second gearset. The output shaft is coupled to a carrier of a fourth gearset. | 10-03-2013 |
20130260949 | MULTI-STAGE GEARBOX OF PLANETARY CONSTRUCTION - A multi-stage gearbox of planetary construction, in particular a power split transmission of a work engine, having a housing which accommodates four planetary sets, several shafts and several shift elements including at least a brake and a number of clutches. Selective engagement of the shift elements implements different gear ratios between a drive shaft and an output shaft. The drive shaft is connected to a carrier of the second planetary set while the sun gear of the second planetary set is coupled with a third shaft and the ring gear of the second planetary set is coupled with a fourth shaft. The output shaft is connected to a carrier of the fourth planetary set, and a fifth shaft is firmly connectable to the housing by a first brake. | 10-03-2013 |
20130267369 | MULTISTEP GEAR MECHANISM - The transmission has four planetary gear sets and shafts and shift elements. Sun gear of the planetary gearset (P | 10-10-2013 |
20130274058 | MULTISTEP GEAR MECHANISM - A transmission having four planetary gearsets, and shafts and shift elements. Sun gear of gearset (P | 10-17-2013 |
20130274059 | MULTISTEP GEAR MECHANISM OF PLANETARY DESIGN - A multi-step transmission having a housing which accommodates eight shafts and four planetary gear sets, and at least six shift elements including brakes and clutches which are engaged to implement different ratios between a drive shaft and output shaft. The carrier of gearset ( | 10-17-2013 |
20130274060 | MULTISTEP GEAR MECHANISM OF PLANETARY DESIGN - A multi-step transmission having a housing accommodating eight shafts and four planetary gearsets ( | 10-17-2013 |
20140109705 | PARALLEL GEARSHIFT TRANSMISSION OF A MOTOR VEHICLE - A parallel shift transmission of a motor vehicle comprising splitter and range groups. At least the splitter group is split into two parallel transmission branches having countershafts. One branch can be actuated by a power-shift element to transfer rotation of a drive shaft to a countershaft, via a stepped transmission ratio of the splitter group according to the actuation of one of the transmission branches and then converting and transmitting the rotation, via one of a plurality of range transmission ratios of the range group, to an output shaft. In order to reverse rotation, parallel countershafts can be coupled by individual gearwheel pairs by actuation of associated switching elements such that one countershaft, at the output side of the splitter group in the flow of power flow from the drive to the output shaft, is connected to the other countershaft at a drive side of the range group. | 04-24-2014 |
20140182415 | TRANSMISSION DEVICE HAVING A PLURALITY OF SHIFT ELEMENTS - A drive engages a shaft ( | 07-03-2014 |
20140196556 | PARALLEL SHIFT TRANSMISSION - A parallel shift transmission which comprises split and range groups, each of which is divided into two parallel transmission branches. One branch can be actuated by a load shift element to transfer rotation of a drive shaft, via a transmission ratio of the split group, and then to a countershaft of the associated branch. Subsequently rotation can be converted, via a range ratio of the range group, into rotation of an output drive shaft. The gear stages are alternately divided between the branches in the order of associated transmission ratios, while each of the range ratios is achieved by shifting one of the group stages of the range group. To drive a power take-off via the transmission, the load shift elements are individual clutches, each of which is arranged in the associated branch between an output-side counter shaft of the split group and a drive-side counter shaft of the range group. | 07-17-2014 |
20140248987 | PLANETARY TRANSMISSION - The invention relates to a planetary transmission for a hybrid drive of a motor vehicle, having three coupled planetary gear sets, having numerous shift elements, and having at least one electric machine, to which a shaft inside the transmission is allocated, wherein, with a first planetary gear set, the ring gear can be connected to a component permanently attached to the housing, and the planet carrier is connected in a driving manner to the ring gear of a second planetary gear set, wherein, with the second planetary gear set, the planet carrier is connected to the ring gear of a third planetary gear set, and the sun gear can be powered by a transmission input shaft, and wherein, with the third planetary gear set, the planet carrier is connected to a transmission output shaft. In order that the planetary transmission has a compact structure and is cost-effective in terms of its production, and is efficient in terms the operation thereof, it is provided that the sun gear of the first planetary gear set is connected to the component permanently attached to the housing, and that the sun gear of the third planetary gear set can be connected to the component permanently attached to the housing and to the ring gear of the first planetary gear set. | 09-04-2014 |
20140378262 | MULTI-RATIO TRANSMISSION - A multistage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. Input shaft couples the carrier of gearset (P | 12-25-2014 |
20140378268 | MULTI-RATIO TRANSMISSION - A multi-stage transmission having eight forward and one reverse gear including planetary gears, shafts, and shift elements. The sun gear of gearset (P | 12-25-2014 |
20150018157 | MULTI-RATIO TRANSMISSION - A transmission with nine forward and one reverse gear having four planetary gearsets, eight shafts and six shifting elements. The sun gears of gearsets (P | 01-15-2015 |
20150018160 | MULTI-STAGE PLANETARY VEHICLE TRANSMISSION - A multi-gear transmission having a housing, planetary gearsets, shafts and shifting elements. Input shaft ( | 01-15-2015 |
20150018161 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward and one reverse gear includes four planetary gearsets, shafts and shifting elements. The sun gear of gearset (P | 01-15-2015 |
20150018162 | MULTI-RATIO TRANSMISSION - The transmission with nine forward and one reverse gear includes four planetary gearsets, eight shafts and six shifting elements, the sun gear of gearset (P | 01-15-2015 |
20150018164 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including input and output shafts, planetary gear sets, gear stages shift elements and shafts. The input shaft couples the carrier of gearset (P | 01-15-2015 |
20150018165 | MULTI-RATIO TRANSMISSION - A multistage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. The input shaft couples the carrier of gearset (P | 01-15-2015 |
20150018166 | MULTI-SPEED PLANETARY VEHICLE TRANSMISSION - A multi-gear planetary transmission for a vehicle having four planetary gearsets (RS | 01-15-2015 |
20150031493 | MULTI-RATIO TRANSMISSION - A multi-stage transmission having eight forward and one reverse gear includes planetary gearsets, shafts and shift elements. The sun gear of gearset (P | 01-29-2015 |
20150031495 | MULTI-RATIO TRANSMISSION - A multi-ratio transmission with nine forward and one reverse gear. Sun gears of first and third gearsets (P | 01-29-2015 |
20150031497 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. Input shaft couples the carrier of gearset (P1) and, via clutch (15), can couple shaft (5) that couples the ring and sun gears respectively of gearsets (P2, P3). The ring gear of gearset (P1) couples shaft (6), which couples the sun gear of gearset (P2). Shaft (3) couples the sun gear of gearset (P1), can couple the housing via brake (03), and can couple shaft (8), which couples the ring gear of gearset (P3). The carrier of gearset (P2) couples shaft (4), which can couple the output shaft (2) via gear stage (S1) and clutch (24). The carrier of gearset (P3) couples shaft (7), which couples gear stage (S2), which couples the output shaft. A clutch (46, 56 or 45) can engage to block gearset (P2). | 01-29-2015 |
20150031498 | MULTI-RATIO TRANSMISSION - A multistage transmission with eight forward and one reverse gear, including an input and output shafts, planetary gearsets, gear stages, shift elements and shafts. The input shaft couples the carrier of gearset (P | 01-29-2015 |
20150045173 | MULTISTAGE TRANSMISSION - A four-stage multi-gear transmission in which the carrier of a fourth gearset ( | 02-12-2015 |
20150045174 | MULTI-STAGE PLANETARY VEHICLE TRANSMISSION - A multi-gear transmission of a vehicle having a housing in which four planetary gearsets and a plurality of shafts and shifting elements are arranged. The drive input shaft can couple the sun gears of gearsets (RS | 02-12-2015 |
20150051043 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including drive and output shafts, planetary gearsets, gear stage, shift elements and shafts. The drive shaft couples the carrier of gearset (P | 02-19-2015 |
20150051044 | MULTI-SPEED GEARBOX - Transmission with four gear sets, shafts and six shift elements. Sun of first set is connected to fifth shaft, which is couplable to housing by second brake and connectable by first clutch to driveshaft, which is connectable to seventh shaft connected by second clutch to carrier of second set and is connectable by third clutch to eighth shaft connected to carrier of first set and to sun of second set. Seventh shaft is connectable to third shaft connected to ring gear of third set by fourth clutch. Sixth shaft is connected to ring gear of second set and carrier of fourth set. Fourth shaft is connected to ring gear of first set and to sun of fourth set and is couplable to housing by first brake. Sun of third set is coupled to housing. Output shaft is connected to carrier of third set and to ring gear of fourth set. | 02-19-2015 |
20150065290 | MULTI-STAGE TRANSMISSION - A two-step multi-step transmission in which a first planetary gear set ( | 03-05-2015 |
20150080164 | MULTI-STAGE POWER-SHIFT TRANSMISSION - A power-shiftable multi-stage transmission in planetary design, between a drive shaft and an output shaft, in particular an automatic transmission for a vehicle. The multi-stage transmission has two parallel shaft sections, six shift elements, at least two spur-gear stages and three planetary gear sets, each of which has one sun gear, one ring gear, and one planet carrier having a plurality of planetary gears. The planet carrier is united in a carrier, and the two shaft sections can be connected to one another via the at least two spur-gear stages. Different transmission ratios between the drive shaft and the output shaft can be implemented by selective engagement of the six shift elements such that a plurality of forward gears, in particular nine forward gears, and at least one reverse gear, can be implemented. | 03-19-2015 |
20150080168 | MULTI-SPEED GEARBOX - A four-stage multi-stage transmission in which carrier of first gear set and ring gear of fourth gear set can be coupled to housing via first brake or to drive shaft via first clutch. Sun of first gear set can be coupled to housing via second brake. Ring gear of first gear set and sun of second gear set can be coupled to drive shaft via second clutch. Drive shaft can be coupled to ring gear of second gear set via third clutch. Carrier of second gear set is permanently connected to carrier of fourth gear set, and carrier of third gear set and sun of fourth gear set are permanently connected to drive shaft. By varying further couplings within the multi-stage transmission, a set of gears having similar properties is provided. | 03-19-2015 |
20150087468 | MULTI-SPEED GEARBOX - Multi-stage transmission comprising four gear sets, shafts and shift elements. Sun of first set is connected to eighth shaft connected to sun of second set and is connectable, via third clutch, to drive shaft. Drive shaft is connectable, via first clutch, to fourth shaft connected to ring of first set and is couplable, via first brake, to the housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of second set and being connectable, via fourth clutch, to third shaft which is connectable to ring of third set. Sixth shaft is connected to ring of second set and carrier of fourth set. Sun of third set is coupled to housing. Fifth shaft is connected to carrier of first set and sun of fourth set and is couplable, via second brake, to housing. Output shaft is connected to carrier of third set and ring of fourth set. | 03-26-2015 |
20150087469 | MULTI-STAGE POWER-SHIFT TRANSMISSION - A power shiftable multi-stage transmission of a planetary design and disposed between an input drive shaft and an output shaft for a vehicle. The multi-stage transmission has two parallel shaft trains, six shift elements, at least two spur gear stages and three planetary gear sets. Each of the planetary gear sets has a sun gear, a ring gear and a planet carrier combined in a carrier having multiple planetary gears. The two shaft trains may be connected to one another via the at least two spur gear stages. Different transmission ratios, between the input drive shaft and the output shaft, may be achieved by selective engagement of the six shift elements such that a plurality of forward gears, at least nine forward gears, and at least one reverse gear, may be implemented. | 03-26-2015 |
20150087471 | MULTI-SPEED GEARBOX - Nine gear transmission with four planetary gear sets, rotatable shafts and six shift elements. Sun of first set is connected to fifth shaft connected to sun of second set and is couplable to housing by third brake. Drive shaft is releasably connected by first clutch to fourth shaft connected to carrier of second set and is couplable by second brake to housing. Drive shaft is connectable by of second clutch to seventh shaft connected to ring of second set and sun of third set and is connectable by of third clutch to eighth shaft connected to ring of fourth set and carrier of third set. Shaft ( | 03-26-2015 |
20150087472 | MULTI-SPEED GEARBOX - Transmission comprising four planetary gear sets, shafts and six shift elements. Sun of first set is connected to fifth shaft, which is connected to sun of second set and is couplable to housing by second brake. Driveshaft is connectable by first clutch to fourth shaft connected to carrier of second set and is couplable by first brake to housing. Driveshaft is connectable by second clutch to seventh shaft connected to ring gear of second set and sun of third set, and is connectable by third clutch to eighth shaft connected to carrier of third set. Eighth shaft is connectable by fourth clutch to third shaft connected to ring gear of fourth set. Sixth shaft is connected to ring gear of third set and carrier of first set. Sun of fourth set is coupled to housing. Output shaft is connected to carrier of fourth set and ring gear of first set. | 03-26-2015 |