| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicle dual clutch transmission that improves heat dissipation properties of friction clutches from a temporary stop of the vehicle to its start at low cost. <P>SOLUTION: The dual clutch transmission comprises: the first friction clutch 21 and the second clutch 22 commonly having a drive-side plate 25; a first speed change mechanism rotatably connected to the first friction clutch 21; a second speed change mechanism rotatably connected to the second friction clutch 22; a clutch temperature detection means which actually measures or estimates a temperature of one clutch 21 which performs relay mesh operation when starting the vehicle; and a control part. The control part comprises: a high-temperature determination means which determines a high-temperature state by comparing the temperature of one clutch 21 which is actually measured or estimated at the temporary stop in the middle of the traveling of the vehicle with a stipulated value; and a heat dissipation promoting means which brings the second speed change mechanism rotatably connected to the other clutch 22 into a neutral state when one clutch 21 is in the high-temperature state, and continues the relay meshed state of the other clutch 22 from the temporary stop to the start of the vehicle. <P>COPYRIGHT: (C)2013,JPO&INPIT |
