US 11,732,790 B2
Powertrain system for an electric or a hybrid vehicle
Matthew David Hammond, Dearborn, MI (US); Gregory Daniel Goleski, Rochester Hills, MI (US); Bryant L. Poynter, Redford, MI (US); David Gon Oh, Canton, MI (US); and Bhaskar Marathe, Clinton Township, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Sep. 8, 2020, as Appl. No. 17/14,576.
Prior Publication US 2022/0074477 A1, Mar. 10, 2022
Int. Cl. F16H 45/02 (2006.01); B60K 6/26 (2007.10); B60K 6/405 (2007.10); B60K 6/485 (2007.10); B60K 6/40 (2007.10); B60K 6/42 (2007.10); B60K 6/46 (2007.10); B60K 6/48 (2007.10); F16H 45/00 (2006.01)
CPC F16H 45/02 (2013.01) [B60K 6/26 (2013.01); B60K 6/40 (2013.01); B60K 6/405 (2013.01); B60K 6/42 (2013.01); B60K 6/46 (2013.01); B60K 6/485 (2013.01); B60K 2006/4825 (2013.01); F16H 2045/002 (2013.01); F16H 2045/021 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vehicle comprising:
an engine having a crankshaft;
an electric machine having a rotor;
a torque converter having an impeller and a turbine, the impeller and turbine each having blades;
a weldment configured to rotate about an axis and to transfer power from the crankshaft and the rotor to the impeller, the weldment having
a first hub,
a second hub secured to the first hub and disposed radially outward from the first hub relative to the axis, the second hub having first and second protrusions extending axially outward in opposing directions relative to the axis, the first and second protrusions defining first and second sets of splines, respectively, and the second protrusion defining a key,
a torque converter cover secured to the second hub and disposed radially outward from the second hub relative to the axis,
an impeller housing secured to the torque converter cover, disposed radially inward of the torque converter cover relative to the axis, and disposed on an opposing side of the turbine blades relative the second hub and torque converter cover, wherein the impeller blades are secured to an internal surface of the impeller housing, and
a third hub secured to the impeller housing, extending axially away from the torque converter cover relative to the axis, and disposed on an opposing side of the turbine blades relative the second hub;
an engine disconnect clutch configured rotatably connect and disconnect the crankshaft to and from the weldment; and
a torque converter lockup clutch configured to rotatably connect and disconnect the turbine to and from the weldment.