Patent ID: 7988580
Filing Date: 2011-08-02
Classification: F16H

Abstract:
1. A continuously variable transmission comprising: an input shaft; an input clutch connected with said input shaft; an intermediate shaft continuously connected with an output of said input clutch; an input sun gear continuously connected with said intermediate input shaft; a first pinion gear meshed with said input sun gear; a second pinion gear continuously connected with said first pinion gear with a larger diameter than said first pinion gear; a first sun gear meshed with said second pinion gear forward of the first pinion gear; a variable displacement pump torsionally associated with said first sun gear; a first carrier supporting said first and second pinion gears in opposite extending directions; an output shaft continuously connected to said first carrier, said output shaft being coaxial with said input shaft; a second carrier continuously connected to said output shaft; a third pinion gear rotatably connected on said second carrier; a second sun gear meshed with said third pinion gear; a selectively engagable brake operatively associated with said second sun gear; a ring gear meshed with said third pinion gear; and a fluid motor powered by said pump and operatively associated with said ring gear.