Patent ID: 7503441

Claim:
A torque converter, comprising: a two piece-cover, including, a base plate configured for attachment to a drive member and comprising a plurality of lugs; wherein the lugs are positioned around, and are externally exposed to, the periphery of the base plate; and wherein at least some of the lugs comprise straight flanks; and a cylindrical wall piece having an upper rim defining an upper open end and a lower rim defining a lower open end, wherein the base plate is press fit into the lower open end of the cylindrical wall piece, and wherein the cylindrical wall piece abuts the lugs; an impeller, press fit to the cylindrical wall piece; a turbine, rotationally mounted between the impeller and the cover and configured for attachment to a driven member; and a lockup clutch to lock the impeller and cover to the turbine when a fluid pressure applied to the lockup clutch increases above a torque converter lockup pressure.