Patent application number | Description | Published |
20130149174 | CONTROL CIRCUIT FOR A VARIABLE VANE OIL PUMP - A control circuit for a variable vane oil pump of an automatic transmission vehicle may include the variable vane oil pump supplying a working fluid for controlling the automatic transmission, a regulator valve mounted at a hydraulic line fluid-connected to the variable vane oil pump, and a torque converter control valve fluid-connected to the regulator valve for controlling the working fluid supplied from the regulator valve to have a pressure required in a torque converter, wherein the variable vane oil pump may be controlled by an amount of the working fluid discharged from the torque converter control valve. | 06-13-2013 |
20150086393 | OIL PUMP FOR VEHICLE - An oil pump for the vehicle includes: a first oil pump configured to pressurize oil and discharge the pressurized oil; a second oil pump connected with the first oil pump so as to be operated by receiving power from the first oil pump, and configured to pressurize oil and discharge the pressurized oil; and a connection path configured to connect the second oil pump to the first oil pump in order to supply the oil discharged from the second oil pump to the first oil pump, to decrease power loss and be formed to be compact. | 03-26-2015 |
20150105211 | PLANETARY GEAR TRAIN OF AN AUTOMATIC TRANSMISSION FOR A VEHICLE - A planetary gear train includes first, second, third and fourth planetary gear sets, first rotating body including first sun gear, second rotating body including first planet carrier, third rotating body including first ring gear and third and fourth sun gears, fourth rotating body including second sun gear, fifth rotating body including second planet carrier, sixth rotating body including second ring gear and third planet carrier, seventh rotating body including third ring gear and fourth planet carrier, an eighth rotating body including fourth ring gear, first clutch variably connecting the first and fourth rotating bodies, second clutch variably connecting the second and fourth rotating bodies, third clutch variably connecting the third and fifth rotating bodies, fourth clutch variably connecting the fifth and eighth rotating bodies, first brake variably connecting the first rotating body and the transmission housing, and second brake variably connecting the eighth rotating body and the transmission housing. | 04-16-2015 |
20150148177 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE - A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving torque, an output shaft disposed in parallel with and apart from the input shaft, a first planetary gear set having at least three rotation elements, a second planetary gear set having at least three rotation elements, a first rotation shaft, a second rotation shaft, a third rotation shaft, and a fourth rotation shaft. | 05-28-2015 |
20150148178 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train may include an input shaft, an output shaft, first and second planetary gear sets each having three rotation elements, a first rotation shaft directly connected to one rotation element of the second planetary gear set and selectively connected to the input shaft, a second rotation shaft directly connected to one rotation element of the first planetary gear set and another rotation element of the second planetary gear set, and directly connected to the output shaft, a third rotation shaft directly connected to another rotation element of the first planetary gear set and the remaining rotation element of the second planetary gear set, and selectively connected to the input shaft and/or selectively connected to a transmission housing, and a fourth rotation shaft directly connected to the remaining rotation element of the first planetary gear set, and selectively connected to the input shaft through two paths and/or selectively connected to the transmission housing. | 05-28-2015 |
20150148179 | PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLES - A planetary gear train may include an input shaft, an output shaft, first and second planetary gear sets each having three rotation elements, a first rotation shaft directly connected to one rotation element of the first planetary gear set and one rotation element of the second planetary gear set, and selectively connected to the input shaft, a second rotation shaft directly connected to another rotation element of the second planetary gear set and directly connected to the output shaft, a third rotation shaft directly connected to another rotation element of the first planetary gear set and the remaining rotation element of the second planetary gear set, and selectively connected to the input shaft and/or selectively connected to a transmission housing, and a fourth rotation shaft directly connected to the remaining rotation element of the first planetary gear set, and selectively connected to the input shaft through two paths and/or selectively connected to the transmission housing. | 05-28-2015 |
20150148181 | 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 torque, an output shaft disposed in parallel with and apart from the input shaft, a planetary gear set including a first sun gear, a second sun gear, a common planet, and a common ring gear engaged, a first rotation shaft directly connected to the first sun gear and selectively connected to the input shaft, a second rotation shaft directly connected to the common planet carrier and directly connected to the output shaft, a third rotation shaft directly connected to the common ring gear and selectively connected to the input shaft or to a transmission housing, and a fourth rotation shaft directly connected to the second sun gear and selectively connected to the input shaft through first and second paths or to the transmission housing. | 05-28-2015 |
20150361977 | OIL PUMP FOR AUTOMATIC TRANSMISSION - An oil pump apparatus may include a housing provided with at least one hydraulic line formed therein, a power source assembled to the housing and configured to apply torque through a drive shaft, and two pumps disposed respectively at both end portions of the housing concentrically with the drive shaft, operably connected to each other through a torque delivery shaft, and pumping oil by receiving the torque from the drive shaft, wherein an inner rotor of one pump may be operably connected to the drive shaft, integrally formed with a boss portion, and operably connected to the torque delivery shaft operably connected to an inner rotor of the other pump through the boss portion. | 12-17-2015 |
20150361978 | OIL PUMP FOR AUTOMATIC TRANSMISSION - An oil pump for an automatic transmission includes a housing provided with at least one hydraulic line formed therein. A power source is coupled to the housing and supplies a torque through a drive shaft. Two pumps are disposed respectively at both end portions of the housing and disposed concentrically with the drive shaft in the housing. The two pumps are operably connected to each other through a torque delivery shaft, and pump an oil by receiving the torque from the drive shaft. The drive shaft is inserted into and is operably connected to a first inner rotor of one pump, and is operably connected to the torque delivery shaft connected to a second inner rotor of the other pump through an engaging portion. | 12-17-2015 |