Patent ID: 7485066

Claim:
A device for transferring power flow between a multidisplacement engine and a transmission comprising: an enclosed housing having a first shell on the engine side and nonrotatably connected to the drive shaft/crankshaft of the engine, a second shell on the transmission side, and an axis of rotation, said housing being at least partially filled with oil and connected to an oil pump outside said housing; an opening on said second shell for receiving a transmission input shaft from said transmission; a hub located within said housing, said hub nonrotatably connected to said transmission input shaft; a planetary gear set comprising an outer ring gear, a set of intermediate planet gears contained within a planet carrier, and a sun gear attached to a stator; a first clutch pack comprising a plurality of friction discs connecting said housing and said ring gear when engaged; a piston means said piston means designed to engage said first clutch pack; a second clutch pack comprising a plurality of friction plates, said second clutch pack connecting said ring gear with said sun gear when engaged; a preloaded diaphragm spring connecting said second clutch pack with said ring gear; a first damper spring assembly arranged between said housing and said first clutch pack; and, a second damper spring assembly arranged between said piston means and said input shaft.