Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |