Patent application number | Description | Published |
20080234093 | Multi-Speed Gearbox - The eight-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 09-25-2008 |
20080269003 | Multi-Speed Automatic Transmission - An automatic transmission having input and output drive shafts (AN, AB), a planetary gearset (VS), a main planetary gearset (HS), with three uncoupled input elements and one output element, and shift elements (A, B, C, D, E, F). An input element of gearset (VS) couples with shaft (AN). An output element of gearset (VS) rotates slower than shaft (AN). An element of gearset (VS) is fixed to a transmission housing. The first input element of gearset (HS) is connected, via elements (B, C), to the output element of gearset (VS). The first input element of gearset (HS) is connectable, via element (F), with shaft (AN). The second input element of gearset (HS) is connectable, via element (A), with the output element of gearset (VS). The third input element of gearset (HS) is connectable, via elements (D, E), with shaft (AN). The output element of the gearset (HS) couples shaft (AB). | 10-30-2008 |
20080269004 | Multi-Speed Transmission - The 8-stage transmission possesses one input and one output shaft (AN, AB), four planetary gearsets (RS | 10-30-2008 |
20090029822 | Multi-stage automatic gearbox - A multi-speed automatic transmission comprises a drive input shaft (AN), a drive output shaft (AB), a double planetary transfer gearset (VS), a main gearset (HS) made as a coupled planetary gearset with at least three non-coupled input elements and one output element, and six shift elements (A to F), which, when engaged in pairs, enable at least eight forward gears to be engaged. An input element of the transfer gearset (VS) is connected with the drive input shaft (AN). An output element of the transfer gearset (VS) rotates at a speed slower than the input speed of the drive input shaft (AN). An element of the transfer gearset (VS) is fixed on a transmission housing (GG). The first input element of the main gearset (HS) can be connected via a second shift element (B) to the output element of the transfer gearset (VS), can be fixed by a third shift element (C), and can be connected with the drive input shaft (AN) by a sixth shift element (F). The second input element of the main gearset (HS) can be connected via a first shift element (A) to the output element of the transfer gearset (VS). The third input element of the main gearset (HS) can be fixed by a fourth shift element (D) and can be connected by a fifth shift element (E) to the drive input shaft (AN). The output element of the main gearset (HS) is connected to the drive output shaft (AB). The sixth shift element (F) is arranged axially between the transfer and main gearsets (VS, HS). A servomechanism ( | 01-29-2009 |
20090042687 | ARRANGEMENT OF ADJACENT PLANETARY GEARSETS IN A TRANSMISSION - An arrangement of two adjacent planetary gearsets ( | 02-12-2009 |
20090069141 | ARRANGEMENT OF A PLANETARY GEARSET WITH AN AXIALLY ADJACENT SHIFT ELEMENT IN A TRANSMISSION - An arrangement of a planetary gearset ( | 03-12-2009 |
20100041507 | MULTI-SPEED TRANSMISSION - A multi-speed transmission having four gearsets, eight shafts and six shifting elements. The sun gear of gearset (P | 02-18-2010 |
20100041508 | MULTI-SPEED TRANSMISSION - The multi-step transmission with nine forward gears and one reverse gear comprises four planetary gear sets (P | 02-18-2010 |
20100041509 | MULTI-STEP-TRANSMISSION - A multi-step transmission including four gear sets, shafts, and shifting elements. The sun gear of gearset (P | 02-18-2010 |
20100048344 | MULTI-SPEED TRANSMISSION - A transmission having input and output shafts, gearsets (RS | 02-25-2010 |
20100222173 | AUTOMATIC GEARBOX - The present invention relates to an automatic transmission ( | 09-02-2010 |
20100311537 | ARRANGEMENT OF A PLANETARY GEARSET - An arrangement for planetary gearsets comprises at least simple radially inner and radially outer planetary gearsets each comprising a sun gear, a ring gear and a carrier that carries planetary gears. The two gearsets are coaxially aligned and one of the gearsets is radially nested inside the sun gear of the other gearset. The ring gear of the radially inner gearset and the sun gear of the radially outer planetary gearset are at least coupled to one another in a rotationally fixed and are connected to a common carrier by driving teeth. To achieve a simple and inexpensive production, the ring gear of the radially inner gearset and the sun gear of the radially outer gearset are first produced as separate components with different heat treatments and then the ring and the sun gear are connected together by one of a friction force locking, a form interlocking and/or positive bonding. | 12-09-2010 |
20100331137 | MULTISPEED TRANSMISSION - A transmission having input and output shafts, gearsets (RS | 12-30-2010 |
20110009228 | MULTI-STAGE GEARBOX - A multi-stage transmission comprises planetary gearsets (P | 01-13-2011 |
20110009229 | MULTI-STAGE GEARBOX - A multi-stage transmission comprising planetary gearsets (P | 01-13-2011 |
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 |
20110077119 | MULTI-SPEED TRANSMISSION - The 8-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 03-31-2011 |
20110098151 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE AND METHOD FOR OPERATING THE HYBRID DRIVE TRAIN - A hybrid drive train for a motor vehicle which comprises an combustion engine, at least two electric machines, a multi-gear transmission with transmission input and output shafts, a shift actuator, at least one energy storage device and a control unit arranged such that the combustion engine and the rotor of the first electric machine are connected to the transmission input shaft, and the transmission output shaft is connected either permanently or via a gearwheel arrangement or a chain or toothed-belt drive mechanism to at least one wheel or to a differential of a first vehicle axle. The rotor of the second electric machine is connected either permanently or via a chain or toothed-belt drive mechanism, either to at least one wheel or to a differential of the first vehicle axle, or to at least one wheel or to a differential of a second vehicle axle. | 04-28-2011 |
20110099994 | POSITIVELY ENGAGING SHIFTING ELEMENT WHICH CAN BE HYDRAULICALLY OR PNEUMATICALLY ACTUATED - The invention relates to a positively engaging shifting element which can be hydraulically or pneumatically actuated, comprising a hydraulically or pneumatically actuatable piston (I) having a piston compartment ( | 05-05-2011 |
20110183807 | MULTI-STAGE GEARBOX - A transmission with forward and reverse gears comprising planetary gearsets, shafts and shift elements. The sun gear of gearset (P | 07-28-2011 |
20110263376 | MULTI-SPEED TRANSMISSION - The 8-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 10-27-2011 |
20110263382 | METHOD FOR THE OPERATION OF A TRANSMISSION DEVICE - A method is described for the operation of a transmission device ( | 10-27-2011 |
20110290609 | TRANSMISSION HAVING SEVERAL FRICTIONALLY ENGAGED SHIFTING ELEMENTS - A transmission ( | 12-01-2011 |
20110300987 | MULTI-SPEED GEARBOX - A transmission which comprises an input shaft and an output shaft, first, second, third and fourth planetary gear sets, third, fourth, fifth, sixth, seventh and eighth shafts, first, second, third, fourth and fifth gearshifting elements for achieving eight forward gears and one reverse gear. The first gearshifting element, when engaged, couples the third shaft with a housing of the transmission. The second gearshifting element, when engaged, couples the fourth shaft with the housing of the transmission. The third gearshifting element, when engaged, couples the input first shaft with the fifth shaft. The eighth shaft ( | 12-08-2011 |
20120083373 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement which comprises at least one claw clutch for the shiftable coupling and decoupling of a shaft ( | 04-05-2012 |
20120083374 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement which comprises at least one claw clutch that can be connected to at least one component of a transmission, such that the claw clutch is arranged substantially within a bearing support ( | 04-05-2012 |
20120083379 | LUBRICATION DEVICE FOR A PLANETARY GEAR - A lubrication device for a planetary transmission with a plurality of planetary gearsets in which a ring gear carrier, which supports a ring gear of a first planetary gearset, is connected to a planetary gear carrier which supports a plurality of planetary gears of an adjacent, second planetary gearset, and in which a lubricant supply for the planetary gears of the second planetary gearset is provided. To provide an inexpensive, simply designed and reliable lubricant supply to the planetary gears of the web carrier coupled to the ring gear of the other planetary gearset, the ring gear is sealed relative to the ring gear carrier of the first planetary gearset and relative to the planetary gear carrier of the second planetary gearset. | 04-05-2012 |
20120083384 | PLANETARY GEARBOX HAVING NESTED PLANETARY GEAR STAGES - A planetary gearbox, for an automatic transmission of a motor vehicle, comprising two stages, each provided with a sun gear, a ring gear and interposed planetary gears. The ring gear of the first planetary stage also forms the sun gear of the second stage, and the planetary gears of both stages are guided by a common planet carrier, produced from a casting material, which accommodates the planetary gears of the first stage at an axial offset position to the planetary gears of the second stage. The planet carrier is designed as one-piece such that pockets are respectively disposed in the planet carrier for receiving the planetary gears of the first stage at an offset angle, in the circumferential direction, to the pockets for receiving the planetary gears of the second stage, so that it is possible to form the pockets during casting using slides. | 04-05-2012 |
20120085616 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement comprising at least one dog clutch which is shiftable for coupling and decoupling a shaft and a component at a transmission. An actuating piston ( | 04-12-2012 |
20120088628 | GEAR SET ARRANGEMENT OF A PLANETARY TRANSMISSION - A gear set arrangement for a planetary transmission comprising at least first and second simple planetary gear sets, each having sun and ring gears and a carrier supporting planetary gears. The gear sets are coaxially nested with the first gear set being radially within the sun gear of the second gear set in a common radial plane or radial planes which are only slightly axially offset. The ring gear of the inner first gear set and the sun gear of the outer second gear set, and the carriers of the two gear sets, are coupled in a fixed manner. To avoid forced movement of the gears, only one of the sun gear, the ring gear or the carrier, of each of the first and the second gear sets is radially supported substantially free of radial play on a centrally disposed transmission shaft or with respect to a centered supported component. | 04-12-2012 |
20120093449 | BEARING ARRANGEMENT FOR A SHIFT - A bearing arrangement for a shaft, particularly a driveshaft ( | 04-19-2012 |
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 |
20120186376 | TRANSMISSION DEVICE AND METHOD FOR OPERATING A TRANSMISSION DEVICE - A transmission device has at least one electro-hydraulic transmission control unit and a method of operating the transmission device having a plurality of gear wheel that can be engaged and disengaged from a force flow by fluidically actuated shifting elements. A piston space of a first shifting element, delimited by a second functional surface of the actuating piston of the first shifting element, is made separate from a piston space of a second shifting element, delimited by the first functional surface of the actuating piston, and an area of the second shifting element, that carries an actuating pressure, or an area of the first shifting element, that carries an actuating pressure, is, or can be, connected to the piston space delimited by the second functional surface of the actuating piston of the first shifting element. | 07-26-2012 |
20120295755 | MULTI-SPEED TRANSMISSION - A vehicle multi-speed automatic transmission which comprises an input shaft (AN) and an output shaft (AB); first, second, third and fourth planetary gear sets (RS | 11-22-2012 |
20130123060 | MULTI-SPEED TRANSMISSION - The 8-speed transmission which comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 05-16-2013 |
20130196807 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE - A hybrid drive train for a motor vehicle, comprising at least one internal combustion engine and at least one electric motor, which is functionally connected to the internal combustion engine, or can be functionally connected to said internal combustion engine, wherein a multi-speed transmission having two planetary gear sets, with at least one transmission input shaft and at least one transmission output shaft is provided, wherein the multi-speed transmission exhibits at least four shift elements, the selective actuation of which results in different transmission ratios between the at least one transmission input shaft and the transmission output shaft, such that at least three forward gears are realized. | 08-01-2013 |
20130196808 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE - A transmission comprises an input shaft and an output shaft and two power paths between the input shaft and a main gear set. The transmission also comprises a first, second, third and fourth shafts, wherein at least one electric machine can be connected to one of the shafts of the main gear set, the first shaft can be connected via a first shifting element to a first power path and via a second shifting element to a second power path, the second shaft can be connected via a third shifting element to the first power path and via a fourth shifting element to the second power path, the third shaft is continuously connected to the output shaft, the fourth shaft can be fixed via a sixth shifting element and can be connected via a fifth shifting element to the first power path. | 08-01-2013 |
20130196809 | HYBRID POWER TRAIN FOR A MOTOR VEHICLE - A transmission comprises an input shaft, an output shaft and at least two power paths between the input shaft and a driving gear set with a first, second, third and fourth shafts, wherein a first power paths has a first fixed gear ratio and a second of the power paths has a second fixed gear ratio smaller than the first fixed gear ratio. The first shaft can be fixed by a first gear-shifting element, and can be connected by a second-gear shifting element to the first power path. The second shaft can be connected by a third gear-shifting element to the first power path and by a fourth gear-shifting element to the second power path. The third shaft is permanently connected to the output shaft. The fourth shaft can be connected by a fifth gear-shifting element to the second power path and can be fixed by a sixth gear-shifting element. | 08-01-2013 |
20130196810 | HYBRID POWER TRAIN FOR A MOTOR VEHICLE - A transmission comprises a transmission input shaft, a transmission output shaft, and three power paths situated between the transmission input shaft and a main gear set. The main gear set comprises two single planetary gear sets a first, a second, a third and a fourth shafts. An electric motor is connected with at least one of the four shafts. The first shaft can be connected with the first power path via a first switching element and with the third power path via a second switching element. The second shaft can be connected with the first power path via a third switching element and with the third power path via a fourth switching element. The third shaft is constantly connected with the transmission output shaft. The fourth shaft can be connected with the second power path via a fifth switching element and can be fixed by a sixth switching element. | 08-01-2013 |
20130196814 | POWER-SHIFTABLE TRANSMISSION - A power-shiftable transmission, in particular an automatic transmission for a vehicle, which comprises a plurality of frictional shifting elements and at least one interlocking shifting element (A, B, C, D, E) and a plurality of gearwheels which can be engaged in a power flow by the shifting elements (A, B, C, D, E). In order to engage a gear step, at least two associated shifting elements (A, B, C, D, E) are engaged and at least one interlocking shifting element (B), as a shifting element (B) to be engaged, is associated with a gear step to be engaged with a supporting gear. | 08-01-2013 |
20130288847 | PLANETARY GEAR TYPE MULTI-STAGE TRANSMISSION - A motor vehicle multi-stage planetary transmission which has a housing that accommodates four planetary gear sets (P | 10-31-2013 |
20150065290 | MULTI-STAGE TRANSMISSION - A two-step multi-step transmission in which a first planetary gear set ( | 03-05-2015 |
20150068344 | Claw shifting element comprising a sliding sleeve for an automatic transmission of a motor vehicle - A claw shifting element ( | 03-12-2015 |