Patent ID: 6427549
Filing Date: 2002-08-06
Classification: B60K,F16H,Y02T,Y10T

Abstract:
A twin-clutch transmission for use in a motor vehicle having an engine and a driveline, comprising:an input shaft driven by the engine; an output shaft adapted for connection to the driveline and having an output gear fixed thereto; a first countershaft rotatably supporting a first speed gear meshed with said output gear; a first master clutch operable for establishing a releasable drive connection between said input shaft and said first countershaft; a first shift clutch operable for releaseably coupling said first speed gear to said first countershaft to establish a drive connection between said first countershaft and said output shaft; a second countershaft rotatably supporting a second speed gear meshed with said output gear; a second master clutch operable for establishing a releasable drive connection between said input shaft and said second countershaft; a second shift clutch operable for releasably coupling said second speed gear to said second countershaft to establish a drive connection between said second countershaft and said output shaft; a first motor/generator connected to said first countershaft; a second motor/generator connected to said second countershaft; and a controller for controlling actuation of said first and second motor/generators.