Abstract: A compressor assembly (300) can include an electric motor (400) that includes a stator (420) and a rotor (440), where the stator defines an axis and where the rotor includes a shaft (460) substantially centered along the axis; a compressor wheel (500) coupled to the shaft; a back disk (600) disposed between the compressor wheel and the electric motor; a housing (700) that includes a bore wall (720) that seats the stator and an outer wall (740) that includes a coolant inlet (752) and a coolant outlet (754) in fluid communication with a coolant passage (760) defined by and at least in part between the bore wall and the outer wall; and at least one pin (810) disposed at least in part in the coolant passage, substantially parallel to the axis, that diminishes flow area within the coolant passage to define multiple flow paths within the coolant passage.

Abstract: A compressor assembly (300) can include an electric motor (400) that includes a stator (420) and a rotor (440), where the stator defines an axis and where the rotor includes a shaft (460) substantially centered along the axis; a compressor wheel (500) coupled to the shaft; a back disk (600) disposed between the compressor wheel and the electric motor; a housing (700) that includes a bore wall (720) that seats the stator and an outer wall (740) that includes a coolant inlet (752) and a coolant outlet (754) in fluid communication with a coolant passage (760) defined by and at least in part between the bore wall and the outer wall; and at least one pin (810) disposed at least in part in the coolant passage, substantially parallel to the axis, that diminishes flow area within the coolant passage to define multiple flow paths within the coolant passage.

Abstract: A turbomachine includes a fluid compressor section with a compressor wheel supported on a shaft and a compressor housing that houses the compressor wheel for rotation therein about an axis of rotation. The turbomachine also includes an e-machine section with an e-machine operatively connected to the shaft and configured to convert energy between the e-machine and the shaft as the shaft rotates. The e-machine section includes an e-machine housing that houses at least part of the e-machine. The turbomachine further includes a coolant jacket that is defined at least partly in the e-machine housing. The coolant jacket is configured to receive a fluid coolant flow therein for cooling the e-machine. Also, the turbomachine includes a turbulator insert member that is removably received within the coolant jacket and that sub-divides the coolant jacket for directing the fluid coolant flow through the coolant jacket.

Abstract: A turbomachine includes a fluid compressor section with a compressor wheel supported on a shaft and a compressor housing that houses the compressor wheel for rotation therein about an axis of rotation. The turbomachine also includes an e-machine section with an e-machine operatively connected to the shaft and configured to convert energy between the e-machine and the shaft as the shaft rotates. The e-machine section includes an e-machine housing that houses at least part of the e-machine. The turbomachine further includes a coolant jacket that is defined at least partly in the e-machine housing. The coolant jacket is configured to receive a fluid coolant flow therein for cooling the e-machine. Also, the turbomachine includes a turbulator insert member that is removably received within the coolant jacket and that sub-divides the coolant jacket for directing the fluid coolant flow through the coolant jacket.

Abstract: An assembly can include a turbine housing that defines a bore, a wastegate opening, a wastegate passage to one side of the wastegate opening and a chamber to another side of the wastegate opening and that includes a wastegate seat disposed about the wastegate opening; a rotatable wastegate shaft configured for receipt by the bore; a wastegate arm that extends from the wastegate shaft; and a wastegate plug that extends from the wastegate arm where the wastegate plug includes a seal surface that includes a toe end and a back end where the back end includes a radius of curvature that exceeds a radius of curvature of the toe end.

Abstract: An assembly can include a turbine housing that defines a bore, a wastegate opening, a wastegate passage to one side of the wastegate opening and a chamber to another side of the wastegate opening and that includes a wastegate seat disposed about the wastegate opening; a rotatable wastegate shaft configured for receipt by the bore; a wastegate arm that extends from the wastegate shaft; and a wastegate plug that extends from the wastegate arm where the wastegate plug includes a seal surface that includes a toe end and a back end where the back end includes a radius of curvature that exceeds a radius of curvature of the toe end.