A variable reluctance resolver with a stator assembly including a printed circuit board having a first surface and a second surface. A plurality of inductors coupled with the annular printed circuit board first surface, wherein the plurality of inductors are in electrical connection with a power source. The variable reluctance resolver also having a rotor including a body with a first surface and a second surface, an annular recess located in the rotor first surface. The annular recess including a radially inner surface and a radially outer surface, wherein the annular recess defines a width variable with angular position. The plurality of inductors are located at least partially within the annular recess and the rotor is operable to rotate relative to the stator assembly.

A variable reluctance resolver with a stator assembly including a printed circuit board having a first surface and a second surface. A plurality of inductors coupled with the annular printed circuit board first surface, wherein the plurality of inductors are in electrical connection with a power source. The variable reluctance resolver also having a rotor including a body with a first surface and a second surface, an annular recess located in the rotor first surface. The annular recess including a radially inner surface and a radially outer surface, wherein the annular recess defines a width variable with angular position. The plurality of inductors are located at least partially within the annular recess and the rotor is operable to rotate relative to the stator assembly.

A rotating electric machine includes a rotor and a wound stator. The wound stator has a stator shaft, wherein the stator coils are inserted in the rotor, and the stator shaft is inserted in the center of the rotor. At least one angular position sensor of the rotor is inserted in the center of the space delimited by the stator shaft and the rotor.

A rotating electric machine includes a rotor and a wound stator. The wound stator has a stator shaft, wherein the stator coils are inserted in the rotor, and the stator shaft is inserted in the center of the rotor. At least one angular position sensor of the rotor is inserted in the center of the space delimited by the stator shaft and the rotor.

A stator structure of an embodiment includes a stator core that comprises: a ring-shaped main body; and a plurality of teeth extending in a radial direction of the main body and arranged along a circumferential direction of the main body. The main body comprises a plurality of elongated holes that are formed in an arc shape along the circumferential direction of the main body and that are arranged along the circumferential direction of the main body, and a plurality of holes that are arranged along the circumferential direction of the main body between the teeth and the elongated holes in the radial direction of the main body. At least one of the holes is disposed between beams and the teeth located close to the beams, the beams being provided between the adjacent elongated holes.

A stator structure of an embodiment includes a stator core that comprises: a ring-shaped main body; and a plurality of teeth extending in a radial direction of the main body and arranged along a circumferential direction of the main body. The main body comprises a plurality of elongated holes that are formed in an arc shape along the circumferential direction of the main body and that are arranged along the circumferential direction of the main body, and a plurality of holes that are arranged along the circumferential direction of the main body between the teeth and the elongated holes in the radial direction of the main body. At least one of the holes is disposed between beams and the teeth located close to the beams, the beams being provided between the adjacent elongated holes.

An integration kit is disclosed herein that allows for mounting of a resolver trigger wheel relative to a bearing assembly, resolver, and rotor. The integration kit simplifies assembly and saves space. The integration kit includes a resolver integration sleeve that includes a first axial section including a radially inner surface defining a bearing support and radially inwardly extending flange defining an axial abutment surface. The resolver integration sleeve also includes a second axial section including at least one anti-rotation slot dimensioned to receive a portion of a trigger wheel, at least one anti-rotation tab extending axially towards the first axial section and dimensioned to be received by a rotor, at least one securing tab extending radially outward and configured to engage a trigger wheel, and a radially outwardly extending flange.

An integration kit is disclosed herein that allows for mounting of a resolver trigger wheel relative to a bearing assembly, resolver, and rotor. The integration kit simplifies assembly and saves space. The integration kit includes a resolver integration sleeve that includes a first axial section including a radially inner surface defining a bearing support and radially inwardly extending flange defining an axial abutment surface. The resolver integration sleeve also includes a second axial section including at least one anti-rotation slot dimensioned to receive a portion of a trigger wheel, at least one anti-rotation tab extending axially towards the first axial section and dimensioned to be received by a rotor, at least one securing tab extending radially outward and configured to engage a trigger wheel, and a radially outwardly extending flange.

A rotary electric machine system of a combined power system includes a rotary electric machine, a rotary electric machine housing in which the rotary electric machine is accommodated, and a rotation parameter detector that detects a rotation parameter of a rotating shaft constituting the rotary electric machine. The rotating shaft includes a first end part and a second end part, a first bearing is provided between the first end part and the housing, and a second bearing is provided between the second end part and the housing. The first end part includes a protruding distal end that passes through the first bearing and protrudes to an exterior of the housing. The rotation parameter detector is disposed on the protruding distal end.

A rotary electric machine system of a combined power system includes a rotary electric machine, a rotary electric machine housing in which the rotary electric machine is accommodated, and a rotation parameter detector that detects a rotation parameter of a rotating shaft constituting the rotary electric machine. The rotating shaft includes a first end part and a second end part, a first bearing is provided between the first end part and the housing, and a second bearing is provided between the second end part and the housing. The first end part includes a protruding distal end that passes through the first bearing and protrudes to an exterior of the housing. The rotation parameter detector is disposed on the protruding distal end.