Patent application number | Description | Published |
20100227723 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that allows for multiple mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle. | 09-09-2010 |
20100273593 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that can achieve a fixed gear ratio mode where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode and a hybrid mode that are basic driving modes of a hybrid vehicle, such that it is possible to drive the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improve fuel efficiency. Further, according to the power train for a hybrid vehicle, the number of gear teeth of a sun gear and a pinion of a planetary gear set, which is a component, can be changed in various ways, such that it is possible to more freely select the capacity of a clutch or a motor generator. Therefore, it is possible to design a compact transmission. | 10-28-2010 |
20100273595 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that allows for multiple mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle. | 10-28-2010 |
20100273596 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that can achieve a fixed gear ratio mode where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode and a hybrid mode that are basic driving modes of a hybrid vehicle, such that it is possible to drive the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improve fuel efficiency. Further, according to the power train for a hybrid vehicle, the number of teeth of a sun gear and a pinion of a planetary gear set, which is a component, can be changed in various ways, such that it is possible to more freely select the capacity of a clutch or a motor generator. Therefore, it is possible to design a compact transmission. | 10-28-2010 |
20110015019 | POWER TRAIN FOR HYBRID VEHICLE - The present invention can achieve hybrid modes with an input split mode, output split mode, and complex split mode, by using only one set of stepped pinion planetary gear sets, one set of single pinion planetary gear sets, three clutches, and two brakes, ensure the space of a vehicle with a compact configuration and reduce the cost by implementing five stages of fixed gear ratio mode, and achieve continuous transmission gear ratios, and improve the fuel efficiency of the vehicle by changing the modes in accordance with the traveling conditions of the vehicle. Further, since it is possible to reduce the performance required for a motor generator under the same conditions, by improving the performance of the system, it is possible to reduce the cost of the vehicle. Accordingly, the present invention provides a power train for a hybrid vehicle that can contribute to reduce the cost of a vehicle. | 01-20-2011 |
Patent application number | Description | Published |
20110294617 | GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission realizes at least ten forward speeds and one reverse speed by combining four simple planetary gear sets with four clutches and two brakes and three friction elements are operated at each shift-speed such that the gear train has advantages of simplifying structures of the automatic transmission and improving power delivery performance and fuel economy. | 12-01-2011 |
20120004066 | GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A gear train of an automatic transmission for vehicles which achieving at least ten forward speeds and one reverse speed, may include an input shaft receiving torque of an engine which may be driving source, an output gear outputting a changed torque, first, second, third, and fourth planetary gear sets respectively having first, second, third, and fourth sun gears, first, second, third, and fourth planet carriers, and first, second, third, and fourth ring gears as rotation elements thereof, eight rotation shafts formed by connecting one rotation element to other rotation element, the input shaft, or the output gear, or being the rotation element, and friction members provided with first, second, third, and fourth clutches disposed between selected rotation shafts and controls delivery of the torque therebetween and first and second brakes selectively connecting selected rotation shaft to a transmission housing. | 01-05-2012 |
20120270694 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include an input shaft configured to receive an engine torque, an output shaft configured to output a shifted torque, a first compound planetary gear set including first and second simple planetary gear sets having first and second sun gears, first and second planet carriers, and first and second ring gears as rotation elements, a second compound planetary gear set including third and fourth simple planetary gear sets having third and fourth sun gears, third and fourth planet carriers, and third and fourth ring gears as rotation elements, seven rotational shafts connecting to one to more rotation elements, and seven friction members including three clutches interposed between a rotational shaft and the input shaft to control the torque and four brakes selectively connecting a rotational shaft to a transmission housing. | 10-25-2012 |
20120277052 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission for vehicles may include an input shaft adapted to receive torque of an engine, an output gear adapted to output changed torque, a first planetary gear set having a first sun gear, a first planet carrier, and a first ring gear as rotation elements, a second planetary gear set having a second sun gear, a second planet carrier, and a second ring gear as rotation elements, a third planetary gear set having a third sun gear, a third planet carrier, and a third ring gear as rotation elements, seven rotation shafts connected or selectively connected to one or more rotation elements, other rotation shafts, or a transmission housing, and six friction members interposed selectively at connecting portions of the rotation shafts. | 11-01-2012 |
20120302393 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train of an automatic transmission may include an input shaft; an output gear; a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets; a second compound planetary gear set having four rotation elements by combing third and fourth planetary gear sets; eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets; and seven friction members including three clutches interposed between a selected rotational member among the rotational members and the input shaft and adapted to selectively transmit the torque and four brakes interposed between a rotational member among the rotational members and a transmission housing. | 11-29-2012 |
20120302394 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train may include an input shaft, an output gear adapted to output a shifted torque, a first compound planetary gear set having four rotation elements by combining first and second planetary gear sets, a second compound planetary gear set having four rotation elements by combining third and fourth planetary gear sets, eight rotation shafts including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second compound planetary gear sets, and six friction members including three clutches interposed between a selected rotational shaft among the rotational shafts and the input shaft and adapted to selectively transmit the torque and three brakes interposed between a selected rotational shaft among the rotational shafts and a transmission housing. | 11-29-2012 |
20130075216 | HYDRAULIC CLUTCH - A hydraulic pressure clutch includes a first connecting hub on an input shaft, an inner sleeve, a boss, an outer sleeve, a clutch drum, a second connecting hub, a first piston forming a first piston chamber together with the second connecting hub, first clutch plates disposed on an outer protrusion and selectively pushed by the first piston along an axial direction, first friction disks disposed alternately with the first clutch plates, a first balance wall forming a first balance chamber, a second piston forming a second piston chamber, second clutch plates selectively pushed by the second piston along an axial direction, second friction disks disposed alternately with the second clutch plates, and a second balance wall forming a second balance chamber, wherein the first piston penetrates through the outer protrusion for pushing the first clutch plates. | 03-28-2013 |
20130075217 | HYDRAULIC CLUTCH - A hydraulic pressure clutch includes a first connecting hub including first, second, and third oil holes, a transmission case having first, second, and third oil supply portions, an inner sleeve having first, second, and third oil passages, a boss having fourth, fifth, and sixth oil passages, an outer sleeve having seventh and eighth oil passages, a clutch drum, a second connecting hub, a first piston forming a first piston chamber, a plurality of first clutch plates, a plurality of first friction disks disposed alternately with the first clutch plates, a first balance wall forming a first balance chamber, a second piston forming a second piston chamber, a plurality of second clutch plates, a plurality of second friction disks disposed alternately with the second clutch plates, and a second balance wall forming a second balance chamber, wherein the first and second balance chambers are supplied simultaneously through one oil line. | 03-28-2013 |
20130150202 | Planetary Gear Train of Automatic Transmission for Vehicles - A planetary gear train may include an input shaft, an output gear, a compound planetary gear set including a first and second sun gears, a common planet carrier, and a common ring gear, a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear, a first rotational member consisting of the second sun gear, a second rotational member consisting of the common planet carrier selectively connected to the input shaft, a third rotational member consisting of the common ring gear connected to the output gear, a fourth rotational member consisting of the first sun gear, a fifth rotational member consisting of the third ring gear connected to the input shaft, a sixth rotational member consisting of the third planet carrier, a seventh rotational member consisting of the third sun gear operated as a selective fixed element, and friction members. | 06-13-2013 |
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 |
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 |
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 |
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 |
20140128210 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train may include a first shaft receiving torque of an engine, a second shaft selectively connected to the first shaft through an externally-meshed gear, a first planetary gear set disposed on the first shaft, and including a first rotation element selectively operated as a fixed element, a second rotation element directly connected to the first shaft, and a third rotation element, a compound planetary gear set including a fourth rotation element selectively connected to the third rotation element through an externally-meshed gear, a fifth rotation element selectively connected to the first rotation element through an externally-meshed gear, a sixth rotation element directly connected to an output gear, and a seventh rotation element directly connected to the second shaft and selectively connected to the third rotation element through an externally-meshed gear, and frictional elements selectively connecting the rotation elements with each other or with 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 |
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 |
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 |