Patent application number | Description | Published |
20120091835 | Motor-Generator Cooling System of Hybrid-Automobile - A motor/generator cooling system of a hybrid vehicle that has a first and second motor/generator disposed in an axial direction in a transmission, may include a cooling pipe that may be disposed in an axial direction along an upper and outside of the first and second motor/generator in the transmission, a rear cover that may be connected to a downstream side of the cooling pipe such that the cooling pipe may be fixed thereto, an input supporter that may be connected to an upstream side of the cooling pipe, forms a cooling oil passage, and rotatably supports a rotor of the first motor/generator, and a case that the rear cover and the input supporter may be mounted thereon, an oil filter connected to a hydraulic pump may be mounted therein, a penetration hole may be formed therein, and the cooling pipe penetrates the penetration hole to be fixed thereto. | 04-19-2012 |
20120316021 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having first, second, and third rotation elements, the second directly connected to the input shaft, and the third directly connected to a first motor/generator, a second planetary gear set having fourth, fifth, and sixth rotation elements, the fourth directly connected to the first rotation element and a second motor/generator, and the fifth selectively connected to the second rotation element, an output gear connected to the sixth rotation element, a first clutch selectively connecting the second rotation element with the fifth rotation element, a second clutch selectively connecting two rotation elements among the rotation elements of the first planetary gear set, a first brake interposed between the fifth rotation element and a transmission housing, and a second brake interposed between the third rotation element and the transmission housing. | 12-13-2012 |
20120322601 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, a first planetary gear set having a third rotation element fixedly connected to the input shaft and a second rotation element fixedly connected to a first motor/generator, a second planetary gear set having a fourth rotation element selectively connected to the second rotation element, a fifth rotation element directly connected to the first rotation element, and a sixth rotation element fixedly connected to a second motor/generator, an output gear connected to the fifth rotation element, a first clutch selectively connecting the second rotation element with the fourth rotation element, a second clutch adapted to selectively connect the third rotation element with the second motor/generator, a first brake interposed between the fourth rotation element and a transmission housing, and a second brake interposed between the sixth rotation element and the transmission housing. | 12-20-2012 |
20120322602 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having a first rotation element, a second rotation element directly connected to the input shaft, and a third rotation element directly connected to a first motor/generator, a second planetary gear set having a fourth rotation element directly connected to the first rotation element and a second motor/generator, a fifth rotation element, and a sixth rotation element selectively connected to the second rotation element, an output gear connected to the fifth rotation element, a first clutch selectively connecting the engine with the input shaft, a second clutch selectively connecting the second rotation element with the sixth rotation element, a first brake interposed between the third rotation element and a transmission housing, and a second brake interposed between the sixth rotation element and the transmission housing. | 12-20-2012 |
20130146417 | ACTUATOR FOR CLUTCH - An actuator apparatus for a clutch that operates the clutch of a transmission according to operation of a motor, may include the motor including a stator and a rotator, wherein the rotator has a drive shaft and a rotator core receiving the drive shaft therein, a lead screw engaged to the drive shaft of the motor and movable in a length direction thereof according to the operation of the drive shaft in the motor, a rod disposed apart from the lead screw, a slider connecting the lead screw with the rod, and a guide rail disposed to contact with the slider and guiding a linear motion of the slider. | 06-13-2013 |
20130151100 | ACTUATOR COMPENSATION SYSTEM FOR CLUTCH AND METHOD THEREOF - A compensation method of an actuator system for a clutch may compensate initial operating position of an actuator that may be changed due to abrasion so that may maintain stroke distance of a clutch stable. The compensation method includes determining a target pressure if operating requirement of a clutch is detected and operating an actuator according to the target pressure, determining whether operating movement of the actuator is strayed from a predetermined value if operating pressure of the actuator reaches the target pressure, determining error of initial operating position of the actuator if the operating movement of the actuator is strayed from the predetermined value and determining compensating ratio according to the detected position deviation of the error and compensates the initial operating position of the actuator by controlling a lead screw of the actuator according to the determined compensating ratio. | 06-13-2013 |
20140378258 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include an input shaft connected to an engine, first and second motors/generators disposed on a transmission housing, a planetary gear set disposed on the input shaft and having three rotation elements, of which one rotation element is connected to the transmission housing, another rotation element is connected to the input shaft, and the other rotation element is connected to the first motor/generator and operated as an output element, a first output gear disposed on the input shaft without rotational interference therebetween and connected to the second motor/generator, a second output gear disposed on the input shaft without rotational interference therebetween, and a first clutch selectively connecting the second output gear to the input shaft. | 12-25-2014 |
20140378259 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include: an input shaft connected to an engine; first and second motor/generators disposed on a transmission housing; a first planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the first motor/generator, and the other rotation element is connected to the input shaft; a second planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the second motor/generator, and the other rotation element is operated as an output element; an output gear connected to the other rotation element of the second planetary gear set; and a first clutch selectively connecting the input shaft to the output gear. | 12-25-2014 |
20150051036 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include two shafts, two hollow shafts and two motor/generators. A first shaft connected to an engine. A first hollow shaft disposed without rotational interference with the first shaft, selectively connected to the first shaft, and provided with a first output gear. A second hollow shaft disposed without rotational interference with the first hollow shaft and provided with a second output gear. A second shaft disposed in parallel with the first shaft and operably connected to the first shaft and the first hollow shaft through a gear unit to selectively transmit torque of the first shaft to the first hollow shaft. Clutches may connect the first shaft and the second shaft selectively to the first hollow shaft. A first motor/generator operably connected to the second hollow shaft and a second motor/generator operably connected to the second shaft. | 02-19-2015 |