Patent application number | Description | Published |
20140113764 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train may include input shaft, output shaft, first planetary gear set disposed on the input shaft and including first rotation element selectively connected to the input shaft or transmission housing, second rotation element selectively connected to the input shaft or the transmission housing, and third rotation element connected to the output shaft, second planetary gear set disposed on the output shaft and including fourth rotation element selectively connected to the input shaft and connected to the first rotation element, fifth rotation element connected to the third rotation element and directly connected to the output shaft, and sixth rotation element selectively connected to the input shaft, three transfer gears, and six frictional elements including four clutches selectively connecting the first, second, fourth, and sixth rotation elements to the input shaft and two brakes selectively connecting the first and second rotation elements to the transmission housing respectively. | 04-24-2014 |
20140113765 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include a first planetary gear set including a first ring gear directly connected to a first shaft, a first planet carrier, and a first sun gear, a second planetary gear set disposed on a second shaft and including a second sun gear receiving an inverse rotation speed from the first planet carrier, a second ring gear selectively connected to the second shaft, and a second planet carrier, a third planetary gear set including a third sun gear directly connected to the second shaft, a third ring gear selectively connected to the first sun gear, and a third planet carrier directly connected to the second planet carrier and directly connected to an output gear, three transfer gears interposed between rotation elements, and five frictional elements selectively interconnecting the rotation elements or selectively connecting the rotation elements to a transmission housing. | 04-24-2014 |
20140128202 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include: an input shaft; an output shaft parallel with the input shaft; a first planetary gear set on the input shaft including a first, second and third rotation elements, the first selectively connected to the input shaft, and the third selectively connected to the input shaft; a second planetary gear set on the output shaft including a fourth, fifth and sixth rotation elements, the first selectively connected to the input shaft through two gear ratio paths and selectively connected to a transmission housing, the fifth selectively connected to the input shaft and the transmission housing, and the sixth connected to the second rotation element and directly connected to the output shaft; four transfer gears; and frictional elements including clutches and brakes. | 05-08-2014 |
20140128203 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving a torque of an engine, an output shaft disposed substantially in parallel with the input shaft at a predetermined distance and outputting a changed torque, a first planetary gear set disposed on the input shaft and including a first, second and third rotation elements, a second planetary gear set disposed on the output shaft and including a fourth, fifth and sixth rotation elements, four transfer gears forming the externally-meshed gears, and frictional elements including clutches connecting the input shaft and the rotation elements of the first and second planetary gear sets and brakes connecting the rotation elements of the first and second planetary gear sets and a transmission housing. | 05-08-2014 |
20140128204 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission for a vehicle may include: an input; an output; a first planetary gear set on the input including a first rotation element selectively connected to the input and selectively operated as a fixed element, a second rotation element selectively connected to the input and a third rotation element; a second planetary gear set on the output including a fourth rotation element connected to the second rotation element and selectively operated as a fixed element, a fifth rotation element connected to the third rotation element and directly connected to the output, and a sixth rotation element selectively connected to the input; four transfer gears; and frictional elements including clutches connecting the input and the rotation elements of the first and second planetary gear sets, and brakes connecting the rotation elements of the first and second planetary gear sets and a transmission housing. | 05-08-2014 |
20140128206 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - An automatic transmission planetary gear train for a vehicle may include a first shaft receiving a torque of an engine, a second shaft disposed substantially in parallel with the first shaft, a first planetary gear set disposed on the first shaft and including a first sun gear, a first planet carrier, and a first ring gear as rotation elements, a second planetary gear set disposed on the second shaft and including a second sun gear, a second planet carrier, and a second ring gear as rotation elements, a third planetary gear set disposed on the second shaft and including a third sun gear, a third planet carrier, and a third ring gear as rotation elements, three transfer gears forming the externally-meshed gears, and frictional elements selectively interconnecting the rotation elements of the first, second, and third planetary gear sets or selectively connecting a rotation element to a transmission housing. | 05-08-2014 |
20140128207 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission includes: a first torque-receiving shaft; a second shaft parallel with the first shaft; a first planetary gear set on the first shaft having a first, second and third rotation elements operated as a fixed or output element, directly connected to the first shaft and operated as an input element, and operated as a selective output element, respectively; a compound planetary gear set including a second planetary gear set and a third planetary gear set, and having a fourth, fifth, sixth and seventh rotation elements, selectively connected to the second and third rotation elements, connected to an output gear, selectively connected to the first rotation element, and selectively connected to the third rotation element, respectively; three transfer gears forming externally-meshed gears; and frictional elements selectively interconnecting the rotation elements or selectively connecting the rotation elements to a transmission housing. | 05-08-2014 |
20140128208 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train including: a first planetary gear set on a first shaft including a first sun gear operated as an output or fixed element, a first planet carrier operable as an output element, and a first ring gear operated as an input element; a second planetary gear set on a second shaft including a second sun gear connected to the first planet carrier, a second planet carrier, and a second ring gear engaging the first planet carrier and the first ring gear; a third planetary gear set on the second shaft including a third sun gear connected to the second ring gear, a third planet carrier engaging the second planet carrier and connected to an output gear, and a third ring gear engaging the first sun gear; three transfer gears; and frictional elements interconnecting the first, second, and third planetary gear sets and/or connecting a transmission housing. | 05-08-2014 |
20140141928 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include a first shaft receiving engine torque, a second shaft parallel with the first shaft at a predetermined distance, a compound planetary gear set on the second shaft including a first rotation element connected to the first shaft through two paths and operated as a selective fixed element, a second rotation element connected to the first shaft through one path and operated as a selective fixed element, a third rotation element operated as an output element, and a fourth rotation element connected to the first shaft through one path, two transfer gears at connecting portions between the rotation elements of the compound planetary gear set and the first shaft, and frictional elements connecting the first, second, and fourth rotation elements to the first shaft and brakes connecting the first and second rotation elements to a transmission housing. | 05-22-2014 |
20140144265 | POWER TRANSMITTING APPARATUS FOR VEHICLE - A power transmitting apparatus for a vehicle achieves seven forward speeds with a minimal number of input gears disposed on input shafts, since the second speed gear and the fourth speed gear are simultaneously engaged with the second input gear and the third speed gear and the seventh speed gear are simultaneously engaged with the third input gear, and distortion of step ratios at the high-speed region may be prevented. | 05-29-2014 |
20140144266 | POWER TRANSMITTING APPARATUS FOR VEHICLE - A power transmitting apparatus for a vehicle, includes a variable connecting device, an input device, a speed output device having first and second synchronizer modules, and a reverse speed device. An even-numbered highest speed gear is disposed at one of synchronizer modules related to even-numbered speeds among the synchronizer modules. An odd-numbered highest speed gear is disposed at one of synchronizer modules related to odd-numbered speeds among the synchronizer module. | 05-29-2014 |
20140148290 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid vehicle may include an input shaft, and an output shaft. A first planetary gear set includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the input shaft and a second motor/generator. A second planetary gear set includes a fourth rotation element connected to the third rotation element and the second motor/generator, a fifth rotation element connected to the second rotation element through an externally-meshing gear and, and a sixth rotation element connected to a transmission housing. A direct-coupling device connects two rotation elements among the fourth, fifth, and sixth rotation elements of the second planetary gear set, and transfer gears form the externally-meshing gears. Friction elements connect a selected rotation element to a selected transfer gear or a selected rotation element to the transmission housing. | 05-29-2014 |
20140148291 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include a first shaft and a second shaft. A first planetary gear set includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the first shaft. A second planetary gear set includes a fourth rotation element connected to the third rotation element and a second motor/generator, a fifth rotation element connected to the second rotation element and an output gear, and a sixth rotation element connected to a transmission housing. A direct-coupling device connects two rotation elements among the fourth, fifth, and sixth rotation elements of the second planetary gear set. Transfer gears form the externally-meshing gears, and friction elements connect a selected rotation element to a selected transfer gear or to the transmission housing. | 05-29-2014 |
20140148292 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input and output shaft. A first planetary gear set disposed on the input shaft includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the input shaft. A second planetary gear set includes a fourth rotation element connected to a second motor/generator, a fifth rotation element connected to the second rotation element and the output shaft, and a sixth rotation element connected to the first rotation element. A direct-coupling device connects two rotation elements of the second planetary gear set, and transfer gears connect two rotation elements of the first planetary gear set with the two rotation elements of the second planetary gear set. Friction elements connect a selected rotation element to a transfer gear or to the transmission housing. | 05-29-2014 |
20140148298 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include: a first shaft receiving engine torque; a second parallel shaft; a first planetary gear set on the first shaft including a first element engaging the first shaft and a transmission housing, a second element engaging the first shaft and the transmission housing, and a third output element; a second planetary gear set on the second shaft, and including a fourth element engaging the first element, a fifth element connected to the third element and directly connected to an output gear, and a sixth element connected to the first shaft and engaging the first element; three transfer gears; and frictional elements including four clutches connecting the first and second elements to the first shaft and connecting the first element to the fourth and sixth elements, and two brakes connecting the first and second elements to the transmission housing. | 05-29-2014 |
20140148299 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission for a vehicle may include: a first shaft; a second parallel shaft; a first planetary gear set on the first shaft including a first element selectively connected to the first shaft, a second element selectively connected to the first shaft or a transmission housing, and a third output element; a second planetary gear set on the second shaft, and including a fourth element selectively connected to the first shaft, connected to the first element, and selectively connected to the transmission housing, a fifth element connected to the third element and directly connected to an output gear, and a sixth element selectively connected to the first shaft; four transfer gears; and frictional elements including clutches selectively connecting the first, second, fourth, and sixth elements with the first shaft and brakes selectively connecting the second and fourth elements with the transmission housing. | 05-29-2014 |
20140148300 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A vehicular planetary gear train may include: a first input shaft; a second parallel shaft; a first planetary gear set including a first element selectively connected to the first shaft, a second element selectively connected to the first shaft and/or a transmission housing, and a third output element; a second planetary gear set including a fourth element connected to the second element, a fifth element connected to the third element and directly connected to an output gear, and a sixth element selectively connected to the first shaft through two paths; four transfer gears connecting the fourth and fifth elements respectively to the second and third elements, and connecting the sixth element to the first shaft through two paths; and frictional elements selectively connecting the first, second, and sixth elements to the first shaft, and a brake selectively connecting the second element to the transmission housing. | 05-29-2014 |
20140157923 | DOUBLE CLUTCH TRANSMISSION - A double clutch transmission includes a variable connector including a first clutch and a second clutch and outputting engine torque through the first and second clutches. An input driver includes a first input shaft connected to the engine with a plurality of input gears disposed on an exterior circumference thereof. A second input shaft is connected to the engine with a plurality of input gears disposed on an exterior circumference thereof. A speed output driver includes a first output shaft disposed in parallel with the input shafts, a first speed output disposed on the first output shaft with first and second synchronizers, a second output shaft disposed in parallel with the first and second input shafts, and a second speed output disposed on the second output shaft with third and fourth synchronizers. A reverse speed/motor driver is disposed between the input device and the speed output device. | 06-12-2014 |
20140162831 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train may include a first shaft receiving torque from an engine, a second shaft disposed in parallel with the first shaft, a first planetary gear set disposed on the first shaft including a first rotation element, a second rotation element and a third rotation element operated as an output element, and a second planetary gear set disposed on the second shaft including a fourth rotation element, a fifth rotation element, and a sixth rotation element. A planetary gear train may further include four transfer gears connecting rotation elements of the second planetary gear set with the first shaft and rotation elements of the first planetary gear set, and frictional elements connecting rotation elements with each other or with the first shaft and brakes connecting with the transmission housing. | 06-12-2014 |
20140162832 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission for a vehicle may include: an input shaft, an output shaft disposed in parallel with the input shaft, a first planetary gear set disposed on the input shaft, a second planetary gear set disposed on the output shaft, a third planetary gear set disposed on the output shaft, three transfer gears forming an externally-meshed gears, and frictional elements selectively interconnecting rotation elements or selectively connecting the rotation elements to a transmission housing. The first planetary gear set includes a first ring gear, a first planet carrier, and a first sun gear. The second planetary gear set includes a second sun gear, a second planet carrier, and a second ring gear. The third planetary gear set includes a third sun gear, a third planet carrier, and a third ring gear. | 06-12-2014 |
20140162833 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include: a first shaft receiving engine torque; a second parallel shaft; a first planetary gear set on the first shaft including a first element operated as a fixed element or an output element, a second element directly connected to the first shaft, and a third element; a compound planetary gear set formed by combining a second planetary gear set and a third planetary gear set including a fourth element engaging the first shaft and the third element through gears, a fifth element connected to an output gear, a sixth element engaging the first element through a gear, and a seventh element engaging the third element through a gear; three transfer gears forming the gears; and frictional elements selectively interconnecting the elements or selectively connecting the element to a transmission housing. | 06-12-2014 |
20140171253 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include: a first input shaft; a second parallel shaft; a compound planetary gear set on the second shaft, and including a first rotation element engageable with the first shaft through two paths respectively having an external gear, a second rotation element connected to an output gear so as to be operated as an output element, a third rotation element engageable with the first shaft through one path having an external gear and selectively fixed, and a fourth rotation element engageable with the first shaft through one path having an external gear and selectively fixed; four transfer gears forming the external gears; frictional elements including clutches selectively connecting the first, third, and fourth rotation elements to the first shaft and brakes selectively connecting the third and fourth rotation elements to a transmission housing. | 06-19-2014 |
20140296021 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission may include an input shaft, an output shaft, a compound planetary gear set disposed on the output shaft, and including a first rotation element selectively connected to the input shaft through two paths respectively having an externally-meshed gear and operated as a selective fixed element, a second rotation element selectively connected to the input shaft through one path having an externally-meshed gear and operated as a selective fixed element, a third rotation, element connected to the output shaft, and a fourth rotation element selectively connected to the input shaft through one path having an externally-meshed gear, three transfer gears forming the externally-meshed gears, and friction elements provided with clutches selectively connecting the first, second, and fourth rotation elements to the input shaft and brakes selectively connecting the first and second rotation elements to a transmission housing. | 10-02-2014 |
20150024893 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft receiving torque of an engine, an output gear, a first planetary gear set disposed on the input shaft and including a first rotation element connected to a first motor/generator, a second rotation element, and a third rotation element connected to the input shaft, a second planetary gear set disposed on the input shaft and including a fourth rotation element connected to a second motor/generator, a fifth rotation element directly connected to the second rotation element and to the output gear, and a sixth rotation element selectively connected to a transmission housing and selectively connected to the first rotation element, and frictional elements selectively connecting two rotation elements of the second planetary gear set, selectively connecting the first rotation element to the sixth rotation element, or selectively connecting the sixth rotation element to the transmission housing. | 01-22-2015 |
20150024894 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, an output shaft, a first planetary gear set including a first rotation element directly connected to a first motor/generator, a second rotation element connected to the output shaft through an externally-meshed gear and a third rotation element directly connected to the input shaft, a second planetary gear set including a fourth rotation element directly connected to a second motor/generator, a fifth rotation element connected to the output shaft through an externally-meshed gear and a sixth rotation element selectively connected to a transmission housing and selectively connected to the first rotation element, transfer gears forming the externally-meshed gears, and frictional elements selectively connecting two rotation elements of the second planetary gear set, selectively connecting the first rotation element to the sixth rotation element, or selectively connecting the sixth rotation element to the transmission housing. | 01-22-2015 |
20150027252 | POWER TRANSMITTING APPARATUS FOR VEHICLE - A power transmitting apparatus may include first and second input shafts selectively receiving torque of a power source through first and second clutches, first and second output shafts disposed in parallel with the first and second input shafts, a plurality of input gears disposed on the first and second input shafts, and at least five speed gears selectively connected to the first and second output shafts through a plurality of synchronizer modules. | 01-29-2015 |
20150059504 | POWER TRANSMITTING APPARATUS FOR VEHICLE - A power transmitting apparatus for a vehicle may include a variable connecting device including a first clutch and a second clutch and selectively outputting torque of an engine through the first clutch and/or the second clutch, an input device including first and second input shafts selectively connected to the engine through the first and second clutches, and a speed output device including a first output shaft, a first speed output unit with first and second synchronizer modules, a second output shaft, and a second speed output unit with third, fourth, and fifth synchronizer modules. In the power transmitting apparatus, one seventh speed gear engaged with any one input gear on the first input shaft and another seventh speed gear engaged with any one input gear on the second input shaft are disposed on the first or second output shaft. | 03-05-2015 |