Torque converter with an embossed cover for receiving a carrier plate

1. A torque converter, comprising:

an axis of rotation;

a cover arranged to receive torque from an engine and including:

a first protrusion;

an interior surface; and,

a first indentation in the interior surface;

an impeller shell fixedly secured to the cover;

at least one impeller blade fixedly secured to the impeller shell;

a turbine including a turbine shell and at least one turbine blade fixedly secured to the turbine shell; and,

a lock-up clutch including:

a first carrier plate fixedly secured to the cover and including a second protrusion disposed in the first indentation; and,

a clutch plate non-rotatably connected to the first carrier plate, wherein:

the interior surface faces the turbine in a first axial direction parallel to the axis of rotation;

the first indentation extends from the interior surface in a second axial direction, opposite the first axial direction;

the first protrusion extends in the second axial direction; and,

a line parallel to the axis of rotation passes through, in sequence: the second protrusion, the first indentation and the first protrusion.

2. The torque converter of claim 1 , wherein the first indentation extends in a circumferential direction.

3. The torque converter of claim 1 , wherein a portion of the interior surface is orthogonal to the axis of rotation.

4. The torque converter of claim 1 , wherein the first carrier plate is welded to the cover at the first indentation.

5. The torque converter of claim 1 , wherein a line orthogonal to the axis of rotation passes through the first indentation and the second protrusion.

6. The torque converter of claim 1 , wherein the lock-up clutch includes:

a second carrier plate radially inward of the first carrier plate; and,

a friction plate non-rotatably connected to the second carrier plate and axially displaceable with respect to the second carrier plate.

7. The torque converter of claim 6 , further comprising:

a torsional vibration damper including an input component, wherein the second carrier plate is fixedly connected to the input component.

8. The torque converter of claim 1 , wherein:

the first carrier plate includes a second indentation; and,

a line parallel to the axis of rotation passes through the first indentation and the second indentation.

9. A torque converter, comprising:

an axis of rotation;

a cover arranged to receive torque from an engine and including:

a first protrusion;

an interior surface; and,

an indentation extending in a circumferential direction;

an impeller shell fixedly secured to the cover;

at least one impeller blade fixedly secured to the impeller shell;

a turbine including a turbine shell and at least one turbine blade fixedly secured to the turbine shell; and,

a lock-up clutch including:

a first carrier plate fixedly secured to the cover and including a second protrusion disposed in the indentation; and,

a clutch plate non-rotatably connected to the first carrier plate, wherein:

a portion of the interior surface faces the turbine in a first axial direction parallel to the axis of rotation;

the indentation extends from the interior surface in a second axial direction, opposite the first axial direction;

the first protrusion extends in the second axial direction; and,

a line parallel to the axis passes through, in sequence, the second protrusion, the indentation and the first protrusion.

10. The torque converter of claim 9 , wherein the portion of the interior surface is orthogonal to the axis of rotation.

11. The torque converter of claim 9 , wherein the first carrier plate is welded to the cover at the indentation.

12. The torque converter of claim 9 , wherein a line orthogonal to the axis of rotation passes through the indentation and the second protrusion.

13. The torque converter of claim 9 , wherein the lock-up clutch includes:

a second carrier plate radially inward of the first carrier plate; and,

a friction plate non-rotatably connected to the second carrier plate and axially displaceable with respect to the second carrier plate.

14. The torque converter of claim 13 , further comprising:

a torsional vibration damper including an input component, wherein the second carrier plate is fixedly connected to the input component.

15. A torque converter, comprising:

an axis of rotation;

a cover arranged to receive torque from an engine and including:

a first protrusion;

an interior surface; and,

an indentation;

an impeller shell fixedly secured to the cover;

at least one impeller blade fixedly secured to the impeller shell;

a turbine including a turbine shell and at least one turbine blade fixedly secured to the turbine shell; and,

a lock-up clutch including:

a first carrier plate including a second protrusion disposed in the indentation; and,

a clutch plate non-rotatably connected to the first carrier plate, wherein:

a portion of the interior surface faces the turbine in a first axial direction parallel to the axis of rotation;

the indentation extends from the interior surface in a second axial direction, opposite the first axial direction;

the first protrusion extends in the second axial direction;

a line parallel to the axis of rotation passes through, in sequence: the second protrusion, the indentation and the first protrusion; and,

the second protrusion being disposed in the indentation fixes a radial position of the first carrier plate with respect to the cover.

16. The torque converter of claim 15 , wherein the first carrier plate is welded to the cover at the indentation.

17. The torque converter of claim 15 , wherein the lock-up clutch includes:

a second carrier plate radially inward of the first carrier plate; and,

a friction plate non-rotatably connected to the second carrier plate and axially displaceable with respect to the second carrier plate.