A torque converter, including: a cover to receive torque; an impeller including an impeller shell non-rotatably connected to the cover and an impeller blade; a turbine including a turbine shell and a turbine blade; a first vibration damper including a drive plate to receive torque from the cover, a first cover plate including first and second portions, a first spring directly engaged with the drive plate and the first portion of the first cover plate, and a second cover plate non-rotatably connected to the first cover plate, surrounding a portion of the first spring in a direction orthogonal to a longitudinal axis for the first spring, and including an opening; and a second vibration damper including a cover plate non-rotatably connected to the turbine shell, and a second spring directly engaged with the cover plate for the second vibration damper and with the second portion of the first cover plate.

A torque converter is provided. The torque converter includes a front cover and an impeller shell including an axially extending section fixed to the front cover. The impeller shell includes a connector on the axially extending section. The connector is configured for connecting to an engine drive plate assembly. A method for forming a torque converter is also provided. The method includes providing connector on an axially extending section of an impeller shell, the connector being configured for connecting to an engine drive plate assembly; and fixing the axially extending section to a front cover.

A hydrokinetic torque coupling device features a casing including a casing shell and an impeller casing shell, an impeller including the impeller shell, a turbine-piston including a turbine-piston shell, and a restriction element. The turbine-piston shell includes a turbine-piston flange and partitions the interior volume of the casing into two chambers. The turbine-piston flange has an engagement surface movable axially toward and away from an engagement surface of a piston engagement portion of the impeller shell to position the hydrokinetic torque coupling device into and out of a lockup mode. The restriction element is configured to restrict fluid flow and create a pressure drop between the first and second chambers.

A torque converter includes an impeller, a turbine-piston hydrodynamically drivable by the impeller, and an annular lockup resistance member. The impeller includes an impeller shell. The turbine-piston includes a turbine-piston shell having a turbine-piston flange with a first flange surface facing an engagement surface of the impeller shell and an opposite second flange surface. The turbine-piston is movable axially toward and away from the engagement surface to position the torque converter into and out of a lockup mode in which the turbine-piston flange is mechanically locked to the impeller shell. The annular lockup resistance member is coaxially aligned with the rotational axis, fixedly connected and non-rotatable relative to the turbine-piston flange, and configured to resist axial movement of the turbine-piston flange toward the engagement surface and into lockup with the impeller shell.

A lock-up device includes an input-side rotary member, an output-side rotary member, an outer peripheral side torsion spring, a restriction member and a float member. The restriction member is attached to the output-side rotary member. The restriction member includes a first restriction part. The first restriction part is disposed at an interval from the output-side rotary member in an axial direction. The float member is rotatable relatively to the input-side rotary member and the output-side rotary member. An inner peripheral end of the float member is disposed between the output-side rotary member and the first restriction part in the axial direction.

A multi-function torque converter, comprising: a cover rotatable about a rotational axis and comprising opposite first and second sidewalls, the cover further comprising an outer wall extending between and interconnecting the opposite sidewalls; an impeller coaxially aligned with the rotational axis and comprising an impeller shell; a backing plate extending radially inward from and non-rotatable relative to the outer wall of the cover and being spaced between the opposite sidewalls of the cover, the backing plate having a first engagement surface; and, a turbine-piston coaxially aligned with and hydrodynamically drivable by the impeller, the turbine-piston comprising a turbine shell including a radial extension having a second engagement surface axially movable toward and away from the first engagement surface of the backing plate to position the torque converter into and out of a lockup mode in which the turbine-piston is mechanically locked to and non-rotatable relative to the backing plate.

A torque converter is provided. The torque converter includes an impeller including an impeller shell, a turbine including a turbine shell and a stator axially between the turbine and the impeller. A first fluid flow is generated between the impeller and the stator and a second fluid flow is generated between the turbine and the stator. The torque converter further includes a thrust bearing axially between the impeller and the stator or axially between the turbine and the stator. The thrust bearing includes a bearing surface arranged for maintaining a hydrodynamic film thereon in a region of the first fluid flow or the second fluid flow during operation of the torque converter. A method of forming a torque converter is also provided.

Disclosed is a hydrokinetic torque converter (TC) with a TC housing. An impeller is disposed within the TC housing and connects to an engine output shaft. A turbine is disposed within the TC housing and connects to a transmission input shaft via a TC output shaft. A torque converter clutch (TCC), which is disposed within the TC housing and coupled to the TC output shaft, selectively locks the impeller to the TC output shaft. A damper, which is disposed within the TC housing and coupled to the TCC, dampens vibrations transmitted by the TCC. A disconnect device, which is disposed within the TC housing and coupled to the damper assembly and TC output shaft, connects the turbine to the TC output shaft or damper when positive torque is being transferred, and disconnects the turbine and TC output shaft or damper when negative torque is being transferred.

A torque converter includes a housing, a turbine shell, and a spring. The housing includes an impeller shell and a cover. The turbine shell includes a clutch portion. The spring is disposed axially between the cover and the turbine shell, and is arranged for urging the turbine clutch portion into driving engagement with the impeller shell. In an example embodiment, the spring is a diaphragm spring. In an example embodiment, the turbine shell is arranged for sealing to and driving engagement with a transmission input shaft. In some example embodiments, the torque converter includes a bearing disposed axially between the cover and the turbine shell, and arranged for rotationally disconnecting the spring from the cover. In an example embodiment, the bearing is a ball bearing or a needle roller bearing.

A torque converter includes a front cover, an impeller, an output shaft member, a turbine and a clutch. The turbine includes a turbine shell, a turbine blade, a coupling portion and a piston portion. The turbine shell is supported by the output shaft member. Additionally, the turbine shell slides on the output shaft member in an axial direction. The turbine blade is attached to the turbine shell. The coupling portion extends from the turbine shell toward the front cover. The piston portion extends from the coupling portion in a radial direction. The clutch is disposed between the piston portion and the front cover.