US 7,485,066 B2
Geared torque converter with multi-plate clutches and planetary gearset
George Bailey, Wooster, Ohio (US); Michael Davis, Wooster, Ohio (US); Philip George, Wooster, Ohio (US); Jeffrey Hemphill, Copley, Ohio (US); Patrick Lindemann, Wooster, Ohio (US); David Smith, Wadsworth, Ohio (US); and Michael G. Swank, Shreve, Ohio (US)
Assigned to LuK Lamellen und Kupplungsbau Beteiligungs KG, Buehl (Germany)
Filed on Jul. 27, 2006, as Appl. No. 11/494,216.
Claims priority of provisional application 60/707226, filed on Aug. 10, 2005.
Prior Publication US 2007/0037659 A1, Feb. 15, 2007
Int. Cl. F16H 3/44 (2006.01)
U.S. Cl. 475—269  [475/312; 192/55.61; 192/87.12] 26 Claims
OG exemplary drawing
 
1. 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.