Abstract: It is required to obtain an electric rotating machine apparatus that secures a heat-radiation property, suppresses upsizing, and can suppress the effect of noise generated from a current-supply circuit. The electric rotating machine apparatus according to the present disclosure includes an electric rotating machine, a heat sink having a plate-shaped portion extending toward axial-direction one side, a current-supply circuit board that is disposed on one surface of the plate-shaped portion of the heat sink and on which a current-supply circuit for supplying an electric current to the electric rotating machine is mounted, and a control circuit board that is disposed in such a way as to be spaced apart from and in parallel with the current-supply circuit board and on which a control circuit for controlling the current-supply circuit is mounted. In addition, an electric power steering apparatus according to the present disclosure includes the foregoing electric rotating machine apparatus.

Abstract: An electric rotating machine apparatus includes an electric rotating machine having a windings and an output axle, a power module having a switching device connected with the winding, a bus bar that is held by a bus-bar holder and is included in a power-supply path to the power module, two or more smoothing capacitors connected with the bus bar, and a capacitor holder in which at a more outer side in the radial direction of the electric rotating machine than the bus-bar holder is, the two or more smoothing capacitors are arranged in the axial direction of the electric rotating machine, and that holds the two or more smoothing capacitors from the outer circumferential side of the electric rotating machine.

Abstract: There is provided an electric power steering apparatus in which constituent elements of a control unit for controlling one of 2 winding groups of a motor and constituent elements of a control unit for controlling the other one thereof are arranged in point symmetry with respect to a center axis of an output shaft or in line symmetry with respect to a virtual straight line perpendicular to a direction in which the output shaft extends.

Abstract: Each of a power-source bus bar and a grounding bus bar provided in a driving apparatus has a terminal portion to be connected with output terminals of a power module and a bending portion bent in a direction perpendicular to a first surface of a bus bar holder; the bending portion is disposed between a smoothing capacitor and the power module; the power-source bus bar and the grounding bus bar are arranged in such a way as to face each other.

Abstract: Provided is an electric driving device including a first protruding portion protruding from a holder surface. A plate-like portion has an opposed surface opposed to the holder surface. A first through hole in the plate-like portion is defined by a first through hole forming portion formed in a cylindrical shape so as to project from the plate-like portion to a side opposite to the opposed surface. The first through hole has an inner surface including a first hole inclined inner surface and a first hole cylindrical inner surface extending from the first hole inclined inner surface to the end portion of the first through hole forming portion. The first protruding portion is press-fitted into the first through hole under a state in which a plurality of first ribs are in contact with the first hole cylindrical inner surface.

Abstract: The electric power steering device includes a motor and a control unit integrated coaxially therewith at an output shaft end of the motor. The motor has two sets of windings independently of each other. The control unit includes two inverter circuits having a plurality of switching elements for supplying currents, and two control circuits for respectively outputting drive signals to the inverter circuits. The inverter circuits are formed by power modules, and have detection terminals for detecting voltages between both ends of shunt resistors for detecting currents. Shield walls for shielding noise are provided to a heatsink for supporting the power modules and control boards forming the control circuits. The shield walls support the control boards.

Abstract: Provided are a motor control device including: a motor case including a motor; a housing, which is provided to have a power supply connector mounted thereon and cover an upper portion of the motor case; and a control unit, which is arranged on a side opposite to an output side on an output shaft of the motor in a space formed by the motor case and the housing, and an electric power steering control device. The control unit includes a filter portion, which is arranged in an upper portion of the control unit and is connected to the power supply connector, a control board, which is arranged below the filter portion and has mounted thereon circuit components configured to supply an electric current to the motor, and a shield plate, which is arranged between the filter portion and the control board and is grounded to the motor case.

Abstract: According to this invention, provided is an electric power steering device, including: a motor having a winding; and a control unit configured to control the motor, the motor and the control unit being integrated with each other in alignment with each other in an axial direction of a rotary shaft of the motor. The winding of the motor includes a winding end portion configured to receive a current supplied thereto. The control unit includes: a current supply circuit, which includes a supply terminal, and is configured to supply the current to the winding end portion; an extension member connected to the supply terminal; and a first connection portion at which the extension member and the winding end portion are connected to each other. The first connection portion is arranged on a radially outer side of the motor with respect to the current supply circuit.

Abstract: An electric rotating machine apparatus includes an electric rotating machine having a windings and an output axle, a power module having a switching device connected with the winding, a bus bar that is held by a bus-bar holder and is included in a power-supply path to the power module, two or more smoothing capacitors connected with the bus bar, and a capacitor holder in which at a more outer side in the radial direction of the electric rotating machine than the bus-bar holder is, the two or more smoothing capacitors are arranged in the axial direction of the electric rotating machine, and that holds the two or more smoothing capacitors from the outer circumferential side of the electric rotating machine.

Abstract: In an electric power steering, a control unit includes a first power module configured to supply current to first motor windings, a first control board configured to output a control signal to the first power module, a second power module configured to supply current to second motor windings, a second control board configured to output a control signal to the second power module, and a heat sink. The heat sink includes a column portion having a plurality of mounting portions defined by flat surfaces parallel to the axial direction of the output shaft. The first control board and the second control board are each mounted along a corresponding one of one pair of opposing mounting portions, and the first power module and the second power module are each mounted along a corresponding one of another pair of opposing mounting portions.

Abstract: An electronic control device includes first extended terminals extended from a multiple of terminals of opposing connectors respectively and second extended terminals extended from opposing control boards respectively. A hole is formed between the opposing connectors in a connector case, each of the first extended terminals and each of the second extended terminals oppose and approach each other toward the hole, in addition to which first extended terminals and second extended terminals are formed heading toward an exterior of the connector case from the hole, and the first extended terminal and the first extended terminal come into contact with differing side faces of the second extended terminal and the second extended terminal.

Abstract: An electric power steering device includes a motor and a control unit that are arranged coaxially with each other in an axial direction of an output shaft and integrated with each other. The control unit includes power modules configured to supply current to the motor, a heat sink, a control board configured to output a control signal to the power modules, and a rotation sensor. The power modules, a column portion of the heat sink, and the control board are arranged in parallel to the axial direction of the output shaft. The rotation sensor is provided in a recess formed in a base portion of the heat sink at an opposite position to a sensor rotor mounted to an end portion of the output shaft on the control unit side.

Abstract: In an electric power steering device, a control unit includes: a power module including a plurality of switching elements configured to supply current to motor windings of a motor; a control board configured to output a control signal to each of the plurality of switching elements; a housing forming an outer case of the control unit; a power supply connector; and a signal connector. The control board is provided in parallel to the axial direction of the output shaft of the motor, and a projection is formed at a bottom portion on the non-output side of the housing so as to protrude to the non-output side. A non-output side end portion of the control board is inserted into the projection, and the power supply connector and the signal connector are provided in a region other than the projection of an outer wall surface of the bottom portion.

Abstract: Provided is an electric driving device including a first protruding portion protruding from a holder surface. A plate-like portion has an opposed surface opposed to the holder surface. A first through hole in the plate-like portion is defined by a first through hole forming portion formed in a cylindrical shape so as to project from the plate-like portion to a side opposite to the opposed surface. The first through hole has an inner surface including a first hole inclined inner surface and a first hole cylindrical inner surface extending from the first hole inclined inner surface to the end portion of the first through hole forming portion. The first protruding portion is press-fitted into the first through hole under a state in which a plurality of first ribs are in contact with the first hole cylindrical inner surface.

Abstract: Each of a power-source bus bar and a grounding bus bar provided in a driving apparatus has a terminal portion to be connected with output terminals of a power module and a bending portion bent in a direction perpendicular to a first surface of a bus bar holder; the bending portion is disposed between a smoothing capacitor and the power module; the power-source bus bar and the grounding bus bar are arranged in such a way as to face each other.

Abstract: An electric power steering device includes a motor and a control unit that are arranged coaxially with each other in an axial direction of an output shaft and integrated with each other. The control unit includes power modules configured to supply current to the motor, a heat sink, a control board configured to output a control signal to the power modules, and a rotation sensor. The power modules, a column portion of the heat sink, and the control board are arranged in parallel to the axial direction of the output shaft. The rotation sensor is provided in a recess formed in a base portion of the heat sink at an opposite position to a sensor rotor mounted to an end portion of the output shaft on the control unit side.

Abstract: In an electric power steering, a control unit includes a first power module configured to supply current to first motor windings, a first control board configured to output a control signal to the first power module, a second power module configured to supply current to second motor windings, a second control board configured to output a control signal to the second power module, and a heat sink. The heat sink includes a column portion having a plurality of mounting portions defined by flat surfaces parallel to the axial direction of the output shaft. The first control board and the second control board are each mounted along a corresponding one of one pair of opposing mounting portions, and the first power module and the second power module are each mounted along a corresponding one of another pair of opposing mounting portions.

Abstract: An electronic control device includes first extended terminals extended from a multiple of terminals of opposing connectors respectively and second extended terminals extended from opposing control boards respectively. A hole is formed between the opposing connectors in a connector case, each of the first extended terminals and each of the second extended terminals oppose and approach each other toward the hole, in addition to which first extended terminals and second extended terminals are formed heading toward an exterior of the connector case from the hole, and the first extended terminal and the first extended terminal come into contact with differing side faces of the second extended terminal and the second extended terminal.

Abstract: There is provided an electric power steering apparatus in which constituent elements of a control unit for controlling one of 2 winding groups of a motor and constituent elements of a control unit for controlling the other one thereof are arranged in point symmetry with respect to a center axis of an output shaft or in line symmetry with respect to a virtual straight line perpendicular to a direction in which the output shaft extends.

Abstract: In an electric power steering device, a control unit includes: a power module including a plurality of switching elements configured to supply current to motor windings of a motor; a control board configured to output a control signal to each of the plurality of switching elements; a housing forming an outer case of the control unit; a power supply connector; and a signal connector. The control board is provided in parallel to the axial direction of the output shaft of the motor, and a projection is formed at a bottom portion on the non-output side of the housing so as to protrude to the non-output side. A non-output side end portion of the control board is inserted into the projection, and the power supply connector and the signal connector are provided in a region other than the projection of an outer wall surface of the bottom portion.