Patent application number | Description | Published |
20090291800 | POWER TRAIN OF AUTOMATIC TRANSMISSION - The present invention relates to a power train of an automatic transmission that realizes eight forward speeds and one reverse speed by using two double pinion planetary gear sets, one single pinion planetary gear set, four clutches, and two brakes wherein the friction members are selectively connected to the operating members of the pinion planetary gear sets to the input shaft, other operating members, or the transmission case. | 11-26-2009 |
20090298638 | Gear Train of Automatic Transmission - A gear train of an automatic transmission for a vehicle may be provided to realize eight forward speeds and one reverse speed with three single pinion planetary gear set, four clutches and two brakes. | 12-03-2009 |
20090305836 | Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having a double pinion planetary gear set, a second planetary gear set having a single pinion planetary gear set and a third planetary gear set having a double pinion planetary gear set to achieve eight forward speeds and two reverse speeds by combining the three planetary gear sets and six frictional elements. | 12-10-2009 |
20090312139 | Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and a third planetary gear set having seventh, eighth, and ninth operating members, the second and fourth operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the fourth and seventh operating members being selectively interconnected, the third and eighth operating members being selectively interconnected, the sixth and eighth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member. | 12-17-2009 |
20090312140 | Powertrain of an Automatic Transmission - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and a third planetary gear set having seventh, eighth, and ninth operating members, the first operating member being always stationary, the seventh and eighth operating members being selectively stopped, the second and sixth operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the fourth and seventh operating members being selectively interconnected, the sixth and seventh operating members being selectively interconnected, the third and eighth operating members being selectively interconnected, wherein an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member. | 12-17-2009 |
20090312141 | POWERTRAIN OF AN AUTOMATIC TRANSMISSION - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and third planetary gear set having seventh, eighth, and ninth operating members, the fourth and seventh operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the third and eighth operating members being selectively interconnected, the second and seventh operating members being selectively interconnected, the second and sixth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member. | 12-17-2009 |
20120136543 | APPARATUS FOR PARKING CONTROL OF AUTOMATIC TRANSMISSION VEHICLE AND METHOD THEREOF - An apparatus for parking control of an automatic transmission vehicle may include a speed detector that provides a controller with a vehicle speed, a shift lever detector that provides the controller with a position of a shift lever, the controller that analyses the vehicle speed and the position of the shift lever, and supplies a predetermined hydraulic pressure to brake elements and clutch elements in order to create drag on a parking gear shaft in conversion into a parking mode, and an actuator that supplies the hydraulic pressure to the clutch elements and the brake elements or discharges the hydraulic pressure from the clutch elements and the brake elements according to the control of the controller. | 05-31-2012 |
20130012351 | POWERTRAIN OF AN AUTOMATIC TRANSMISSION - A powertrain of an automatic transmission includes a first planetary gear set having first, second, and third operating members, a second planetary gear set having fourth, fifth, and sixth operating members, and third planetary gear set having seventh, eighth, and ninth operating members, the fourth and seventh operating members being fixedly interconnected, the fifth and ninth operating members being fixedly interconnected, the third and eighth operating members being selectively interconnected, the second and seventh operating members being selectively interconnected, the second and sixth operating members being selectively interconnected, wherein a transmission case is fixedly connected to the first operating member and selectively connected to the seventh and eighth operating members, an input shaft is fixedly connected to the third operating member and selectively connected to the seventh operating member, and an output shaft is fixedly connected to the ninth operating member. | 01-10-2013 |