Abstract: Each of two control units configured in a double system has a CPU, each CPU obtains input information of the control unit of the other CPU, each CPU independently drives an electric motor at a normal time, and continues the motor drive by utilizing the input information of the control unit of the other CPU when an abnormality relating to input information is detected, and when an abnormality relating to information other than input information is detected, the control unit in which the abnormality has occurred controls the electric motor so as to continue the drive or stop the drive in accordance with details of the abnormality, and the control unit on the normal side controls the electric motor so as to at least continue the drive as normal.

Abstract: The shape of an abutting portion where a heat sink and an electronic component or the heat sink and a connection wire abut against each other, through the intermediary of an intermediate member, is contrived so that there is provided an electronic control unit that can raise the easiness of production including the intermediate member, while securing the heat radiation performance. There is provided an electric power converter in which an intermediate member having an insulating property and a heat-conductive property is provided in a gap between a heat sink and a connection wire abutting portion or an electronic component, in which the top surface of a maximum heat generating component is a plane, and in which the portion, of the heat sink, that faces the top surface of the maximum heat generating component is part of a basic plane.

Abstract: Provided is an integrated electric power steering apparatus including a positive-side wiring pattern configured to connect a positive side of a power supply and a positive side of an inverter circuit and a negative-side wiring pattern configured to connect a negative side of the power supply and a negative side of the inverter circuit, in which one of the wiring patterns is formed on a central side of a wiring board and another of the wiring patterns is formed on an outer periphery side of the wiring board. A plurality of switching elements forming the inverter circuit are mounted between the positive-side wiring pattern and the negative-side wiring pattern formed on the wiring board.

Abstract: A method of manufacturing a rotor for a magnet type rotating electrical machine includes the steps of: cutting and laminating pieces of the core of the rotor, to thereby form a core (3); mounting the core (3) on a rotating jig (10); forming a magnet piece (2p) into a predetermined shape by sintering; mounting a predetermined number of the magnet pieces (2p) on a regulating jig (20); pressing the magnet pieces (2p) by the regulating jig (20) while rotating the core (3) by the rotating jig (10), to thereby mount the magnet pieces (2p) on the core (3); and adjusting an axial position of the magnet piece (2p) so that an axial end surface of the core (3) and an axial end surface of the magnet piece (2p) are aligned with each other.

Abstract: A semiconductor module forming a semiconductor device includes lead frames in which switching elements are mounted on the side of upper surfaces and heat radiation surfaces are formed on the side of lower surfaces, and bus bars disposed on the lead frames and connecting between plural switching elements. The heat radiation surfaces of the lead frames are arranged on one plane and upper surfaces of flat surface portions of the bus bars are arranged on one plane, therefore, a layout property on the heat radiation surfaces or the upper surfaces the flat surface portions is good, which facilitates creation of a heat radiation structure and so on.

Abstract: In the electric power steering apparatus according to the present invention, a circuit board and an intermediate member are disposed so as to be juxtaposed in an axial direction of a rotating shaft, a connector is formed integrally on the intermediate member, and is disposed so as to pass through and protrude from a notch in a housing, and at least one of a cylindrical portion of a motor case, a frame, and the housing is configured so as to bear stress in the axial direction of the rotating shaft that acts on the connector during insertion and removal of the connector.

Abstract: In an armature coil according to the present invention and, more particularly, in an armature coil including a plurality of coil conductors wound around a plurality of slots which are formed in a stator core and opened on the radially inner side, the circumferential width of the plurality of the coil conductors is formed in a substantially trapezoidal shape which gets narrower toward the radially inner side and the cross-sectional areas of the plurality of the coil conductors in the slot are each substantially the same and the circumferential width thereof is formed narrower as the coil conductor is arranged toward the radially inner side; and one coil conductor is formed in a convex shape and another coil conductor is formed in a concave shape along the convex shape.

Abstract: An air conditioning apparatus includes a casing having intake and blow-out ports, a partition member dividing an interior of the casing, a heat exchanger, a centrifugal fan, a heater and a fan heat shield. The centrifugal fan includes a bladed wheel mounted in the fan compartment such that a rotary shaft of the bladed wheel is oriented along an opening direction of the fan entrance and an opening direction of the blow-out port, and the bladed wheel being made of resin. The heater is mounted in a blow-out port opposed space opposed to the blow-out port within a fan downwind space located on a downwind side of the bladed wheel within the fan compartment. The fan heat shield member is mounted in the fan downwind space in order to cover a part of the bladed wheel that is opposed to the heater.

Abstract: A control unit for controlling an electric motor has on a w iring board at least an inverter circuit including two or more switching devices for supplying an electric current to the electric motor and a CPU for outputting command signals to the inverter circuit; the control unit, as an inverter module in which the wiring board is mounted in a housing with which a connector is integrated, is integrally fixed to the motor.

Abstract: The invention includes an electric motor that causes a vehicle steering device to rotate, and a control unit that controls the electric motor, wherein the electric motor has a stator including two independent sets of coil winding group, the control unit has a control portion that computes and outputs a control amount and a drive circuit that independently drives each winding group of the electric motor, and the control portion detects a multiple of failures, categorizes the failures into at least two kinds of failure mode, continues control on a normal side after detecting a first failure, and continues control by employing a set in which control nearer to that at a normal time can be carried out, including a past failure, when detecting a second or subsequent failure.

Abstract: An electric power steering apparatus according to the present invention is characterized in that a motor frame (20), a housing (25) and a plate (21) are integrally formed in such a way as to be concentric with an output axle (28) of a motor (11) and in that at least one of the motor frame (20), the housing (25), and the plate (21) is formed of magnesium or magnesium alloy.

Abstract: An integrated electric power steering apparatus in which a control unit 1 or 101 for controlling a motor 2 is disposed inside a housing, the control unit 1 or 101 is disposed so as to be coaxial to an output shaft 21 of the motor 2, and in which the control unit 1 or 101 and the motor 2 are integrated, wherein: the control unit 1 or 101 includes a circuit board 4 and an intermediate member 36; main parts are mounted to the circuit board 4; wiring is disposed on the intermediate member 36; the circuit board 4 and the intermediate member 36 are stacked; the parts are mounted to first and second surfaces of the circuit board 4; and a portion of the housing and first surfaces of the parts are placed in direct contact or are placed in contact so as to have a heat-transferring member interposed.

Abstract: In an armature coil according to the present invention and, more particularly, in an armature coil including a plurality of coil conductors wound around a plurality of slots which are formed in a stator core and opened on the radially inner side, the circumferential width of the plurality of the coil conductors is formed in a substantially trapezoidal shape which gets narrower toward the radially inner side and the cross-sectional areas of the plurality of the coil conductors in the slot are each substantially the same and the circumferential width thereof is formed narrower as the coil conductor is arranged toward the radially inner side; and one coil conductor is formed in a convex shape and another coil conductor is formed in a concave shape along the convex shape.

Abstract: A semiconductor module forming a semiconductor device includes lead frames in which switching elements are mounted on the side of upper surfaces and heat radiation surfaces are formed on the side of lower surfaces, and bus bars disposed on the lead frames and connecting between plural switching elements. The heat radiation surfaces of the lead frames are arranged on one plane and upper surfaces of flat surface portions of the bus bars are arranged on one plane, therefore, a layout property on the heat radiation surfaces or the upper surfaces the flat surface portions is good, which facilitates creation of a heat radiation structure and so on.

Abstract: A control unit for driving a motor mainly includes an input circuit for inputting various kinds of information pieces, an output circuit for driving the coil windings of the motor, an MPU for calculating a control amount based on the information from the input circuit and outputting a control signal to the output circuit; the control unit has two pieces each of the input circuit, the output circuit, and the, and can supply respective electric currents to the windings of the motor or can cut off the supply; the MPUs each have a CPU incorporated therein, a trigger circuit for a trigger signal having a predetermined period; the two CPUs synchronize at least control commands in accordance with the trigger signal and output the control commands.

Abstract: With an object of allowing steering wheel operation to be carried out easily at a normal time and when an abnormality occurs, the invention includes a motor having two windings and a control unit having two control systems that supply control signals to each winding of the motor and when an abnormality occurs in one winding of the motor or in one system inside the control unit, a supply of current to the winding in which the abnormality has occurred is cut to zero, and the motor is driven by a predetermined current necessary at a normal time being supplied to the other winding, while at a time of a normal drive when no abnormality has occurred, the current supply is shared between the two windings, whereby the motor is driven.

Abstract: In this vehicle electronic control device, a control board having an electronic component mounted thereon is housed inside a case and a connector portion for connecting the control board to the outside is formed integrally with the case. The connector portion is formed by a housing portion covering the control board, and a terminal portion integrally embedded in the housing portion. The terminal portion has: a terminal for external connection, protruding from the housing portion; and an intermediate path portion extending from the terminal and connected to the control board. An exposure portion which allows the intermediate path portion to be exposed over the entire periphery thereof is formed in a part of the housing portion. An interface sealing member for sealing the interface between the housing portion and the intermediate path portion is provided in the exposure portion.

Abstract: An air conditioning apparatus includes a casing having intake and blow-out ports, a partition member dividing an interior of the casing, a heat exchanger, a centrifugal fan, and a heater. The centrifugal fan includes a bladed wheel having a plurality of rearward blades and sucks air existing in the heat exchanger compartment into the fan compartment through the fan entrance. The bladed wheel is mounted in the fan compartment such that a rotary shaft of the bladed wheel is oriented along an opening direction of the fan entrance and an opening direction of the blow-out port. The heater is mounted in a blow-out port opposed space. The blow-out port opposed space is a region opposed to the blow-out port within a fan downwind space. The fan downwind space is a space located on a downwind side of the bladed wheel within the fan compartment.

Abstract: With an object of allowing steering wheel operation to be carried out easily at a normal time and when an abnormality occurs, the invention includes a motor having two windings and a control unit having two control systems that supply control signals to each winding of the motor, and when an abnormality occurs in one winding of the motor or in one system inside the control unit, a supply of current to the winding in which the abnormality has occurred is cut to zero, and the motor is driven by a predetermined current necessary at a normal time being supplied to the other winding, while at a time of a normal drive when no abnormality has occurred, the current supply is shared between the two windings, whereby the motor is driven.