Patent ID: 8567273
Filing Date: 2013-10-29
Classification: F16H,Y10T

Abstract:
1. A dual clutch transmission comprising, in combination, an input shaft defining an axis and having a pair of drive gears coupled thereto and a third drive gear freely rotatably disposed thereon, a first quill and a second quill defining a pair of axes parallel to and spaced from said input shaft axis, a first pair of gears freely rotatably disposed upon said first quill and each engaged by a respective one of said pair of drive gears on said input shaft; a first synchronizer clutch disposed between said first pair of gears on said first quill; a first countershaft extending through said first quill; a first clutch operably disposed between said first quill and said first countershaft; a second pair of gears freely rotatably disposed on said first countershaft; a second synchronizer clutch disposed between said second pair of gears on said first countershaft; a second countershaft extending through said second quill; a second clutch operably disposed between said second quill and said second countershaft; a third pair of gears freely rotatably disposed upon said second quill and each engaged by a respective one of said pair of drive gears on said input shaft; a third synchronizer clutch disposed between said third pair of gears on said second quill; a fourth pair of gears freely rotatably disposed upon said second countershaft; a fourth synchronizer clutch disposed between said fourth pair of gears on said second countershaft; a first single gear coupled to said first quill for rotation therewith and engaged by said third drive gear on said input shaft; a fifth synchronizer clutch disposed adjacent said third drive gear on said input shaft; and a pair of output gears, one of said pair of output gears engaged by one of each of said second and said fourth pair of gears.