Patent ID: 6102175
Filing Date: 2000-08-15
Classification: F16H

Abstract:
A torque converter for transmitting torque of an engine to a transmission via a working fluid, comprising:a front cover for receiving torque from the engine;an impeller shell fixed to said front cover defining a fluid chamber therebetween, a plurality of impeller blades fixed to an inner side said impeller shell;a turbine shell disposed in said fluid chamber adjacent to said impeller blades, said turbine shell and said impeller shell defining a fluid working chamber therebetween within said fluid chamber;a stator disposed within said fluid working chamber between radially inner portions of said impeller shell and said turbine shell;a lockup clutch mechanism disposed between said front cover and said turbine shell, said lockup clutch mechanism including a piston, a first hydraulic chamber being defined between said front cover and said piston, a second hydraulic chamber being defined between said piston and said turbine shell; anda means for restricting fluid flow between said fluid working chamber and said second hydraulic chamber.