Abstract: A circuit connection device includes a connector including a connection terminal connected to an outside; a circuit board on which an electronic component is mounted and in which a terminal hole into which the connection terminal is press-fitted is formed; a board support member that supports the circuit board; and a fixing member that fixes the circuit board to the board support member. The circuit board includes a mounting portion on which the electronic component is mounted, and a supported portion fixed to the board support member by the fixing member and supported by the board support member. The supported portion is disposed between the mounting portion and the terminal hole.

Abstract: A drive device, which is a drive device driving a motor having a rotating shaft, includes a power board on which an inverter circuit driving the motor is mounted, a control board on which a control circuit controlling driving of the motor is mounted and disposed to face the power board in an axial direction of the rotating shaft, an inter-board connector electrically connecting the inverter circuit and the control circuit, and a connector assembly, in which the power board, the control board, and the connector assembly are arranged in this order in the axial direction, and the connector assembly includes a first connector terminal connected to the control board to transmit a signal to the control circuit, and a second connector terminal connected to the power board to supply power to the inverter circuit.

Abstract: A rotary electric machine includes a control board, a motor which is driven by the control board, a motor frame which accommodates the motor, a cover which covers the control board together with the motor frame, and a heat sink which is fixed to the motor frame. The motor frame, the cover, and the heat sink are made of metal, at least three claw portions are provided on the motor frame or the heat sink, at least three press-fitting surfaces are provided on an inner surface of the cover, each of which the three claw portions are each press-fitted to and come into contact with, the three claw portions are disposed to have the same radius centered on an output shaft of the motor, and an angle between two claw portions adjacent to each other in a circumferential direction is smaller than 180 degrees.

Abstract: A rotating electrical machine includes a control board that has a control circuit portion on a main first surface, a power circuit portion, and a heat dissipating portion that covers the power circuit portion, a holder that opposes a second main surface of the control board which is an opposing surface to the first main surface, and a support member that supports the holder, wherein the holder includes a plurality of protrusions that project towards the second main surface, and at least a portion of the plurality of protrusions are disposed so as to overlap with the power circuit portion in a plan view.

Abstract: A rotary electric machine in which a capacitor does not explode even if heat is generated in the capacitor, is provided. A heat sink includes a recess-shaped capacitor housing portion having an inner peripheral side surface joined to an outer peripheral side surface of a capacitor via a capacitor heat dissipation material, and the capacitor housing portion includes an explosion-proof valve recess located at a position facing an explosion-proof valve of the capacitor, and a communication passage providing communication between a drive circuit board and the explosion-proof valve.

Abstract: A circuit connection device includes a connector having press-fit terminals, a circuit board that has terminal through holes formed, and the press-fit terminals are press-inserted into the terminal through holes, a terminal alignment member having a terminal guide that has guide through holes formed, where the guide through holes guide the press-fit terminals towards the terminal through holes, and a heat sink that has an opening which houses the terminal guide on an inside. First positioning protrusions are formed on one of the connector or the heat sink, and first positioning recesses are formed on the other thereof. Second positioning protrusions are formed on one of the circuit board or the terminal alignment member, and second positioning recesses are formed on the other thereof. Third positioning protrusions are formed on one of the heat sink or the terminal alignment member, and third positioning recesses are formed on the other thereof.

Abstract: A circuit connection device includes a connector that has a connection terminal that is connected to an outside, a press-fit terminal that is connected to the connection terminal, and a positioning protrusion that extends parallel to the press-fit terminal; a circuit substrate in which a terminal through hole into which the press-fit terminal is press-inserted and a first positioning through hole through which the positioning protrusion is inserted are formed, and a heat sink which has a first surface fixed to the circuit substrate, and a second surface disposed on an opposite side of the first surface and fixed to the connector, and in which a second positioning through hole through which the positioning protrusion is inserted is formed.

Abstract: A circuit connection apparatus has a connector including a housing in which a connection terminal is contained, a positioning guide portion provided therein at an opposite side to an opening portion of the housing, and a press-fit terminal extended from the connection terminal. Moreover, the circuit connection apparatus has a heat sink that includes a guide receipt portion fitted with the positioning guide portion—and an opening to be penetrated by the press-fit terminal and to which the housing is fixed. Furthermore, the circuit connection apparatus has a circuit board that includes a board positioning guide portion and a through-hole to which the press-fit terminal is pressure-bonded and that is fixed to the heat sink. Because the press-fit terminal and the through-hole can accurately be positioned, it is made possible that the reliability is raised and a simple assembly process suppresses the production cost from rising.

Abstract: A rotating electrical machine that includes a heat dissipating structure of a heat generating portion of a control board includes the control board that includes a heating element on top of a main surface, a heat sink disposed so as to oppose the main surface, and includes a recess that accommodates the heating element on an opposite surface that oppose the main surface, and a heat dissipating material formed in a gap between the heating element and the recess.

Abstract: In an electric driving apparatus, a first rotational angle detecting sensor that generates a signal that corresponds to rotation of a shaft is disposed between a controlling apparatus and a motor. A housing accommodates the motor, the controlling apparatus, and the first rotational angle detecting sensor together. A second rotational angle detecting sensor that generates a signal that corresponds to rotation of the shaft is disposed at a position that is further away from the motor than the controlling apparatus in the axial direction of the shaft, and is disposed outside the housing. The first rotational angle detecting sensor is a magnetic detecting element sensor that includes: a magnet rotating body that includes a magnet, and that rotates together with the shaft; and a magnetic detecting element that detects magnetism from the magnet. The second rotational angle detecting sensor is a resolver.

Abstract: A rotary electric machine in which a capacitor does not explode even if heat is generated in the capacitor, is provided. A heat sink includes a recess-shaped capacitor housing portion having an inner peripheral side surface joined to an outer peripheral side surface of a capacitor via a capacitor heat dissipation material, and the capacitor housing portion includes an explosion-proof valve recess located at a position facing an explosion-proof valve of the capacitor, and a communication passage providing communication between a drive circuit board and the explosion-proof valve.

Abstract: An angle detector including; a magnet being mounted on a rotation axle and that has a first track magnetized in P pole-pairs and second track magnetized in Q pole-pairs, a first hole device group that senses magnetic flux from the first track, a second hole device group that senses magnetic flux from the second track, a first detection unit that outputs an M-step absolute angular signal through division of one electric-angle rotation into M sections, a second detection unit that outputs an N-step relative angular signal through division of each of the M divided sections into N sections, an angle calculation unit that divides the one electric-angle rotation into [M×N] sections and calculates an [M×N]-step electric angular signal, based on the absolute angular signal and the relative angular signal, and an angle correction unit that outputs a correction angle supplemented so as to smooth the electric angular signal.

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: In an electric driving apparatus, a first rotational angle detecting sensor that generates a signal that corresponds to rotation of a shaft is disposed between a controlling apparatus and a motor. A housing accommodates the motor, the controlling apparatus, and the first rotational angle detecting sensor together. A second rotational angle detecting sensor that generates a signal that corresponds to rotation of the shaft is disposed at a position that is further away from the motor than the controlling apparatus in the axial direction of the shaft, and is disposed outside the housing. The first rotational angle detecting sensor is a magnetic detecting element sensor that includes: a magnet rotating body that includes a magnet, and that rotates together with the shaft; and a magnetic detecting element that detects magnetism from the magnet. The second rotational angle detecting sensor is a resolver.

Abstract: A material of the stator core is different from a material of the housings, in a state where one end portion in the axis direction of the stator core is contacted to the first housing, and the other end portion in the axis direction of the stator core is contacted to the second housing; and a neighboring portion of a contact portion, at which the first housing is contacted to the stator core, and another neighboring portion of a contact portion, at which the second housing is contacted to the stator core, are connected by a connecting component in the axis direction, of which material is the same as a material of the stator core, whereby the first housing and the second housing are connected each other; and the first housing and the second housing face each other in a state where a gap intervenes between both housings.

Abstract: A rotor (1) for a rotary electric machine includes a rotor core (2) including a first core portion (20) having a plurality of core pieces (5, 6) joined together through caulking portions (2a) and a hollow first lightening portion (20a), and a second core portion (21) having a plurality of core pieces (7, 8) joined together through caulking portions (2a) and a press-fit portion (21b). A radial magnetic path width of a ring-shaped outer circumferential portion formed by laminating the first core portion (20) and the second core portion (21) changes along a circumferential direction of the rotor core (2). Therefore, a weight and an inertia can be reduced.

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: In a rotary electric machine having an integrated drive control device, a motor housing joined to a mounting housing, which is a cast member, is made of a steel material. Therefore, an outer diameter is reduced and strength for retaining a stator core is satisfactorily ensured even under high-temperature environments.

Abstract: Provided is an electric drive apparatus in which a detected portion (10) of a rotation angle sensor is disposed at an end of a shaft (7) of a motor, and a sensor portion (300) as a detection portion of the rotation angle sensor is disposed coaxially with the rotating axis of the shaft. In a control unit (200), an inverter circuit portion with a drive element (SW) for driving the motor, and a control substrate (17) which is separate from the sensor portion and controls the output of the inverter circuit portion are disposed. The sensor portion and the control substrate are electrically connected, with the control substrate disposed along a plane perpendicular to the rotating axis of the shaft.

Abstract: Problem To obtain a drive unit integrated rotating electrical machine that makes it easier to connect power circuits and achieves not only excellent vibration resistance but also excellent heat releasing properties. Means for Solution A drive unit integrated rotating electrical machine has a motor, a drive unit driving the motor under control and provided with power switching elements and conductors passing a current to the power switching elements, and a heat sink cooling the drive unit, which are combined into one unit. The drive unit integrated rotating electrical machine is characterized in that: the power switching elements are molded and formed into mold modules in a state in which terminals thereof are exposed; the conductors are insert-molded in a frame in a state in which terminals thereof are exposed; and the exposed terminals of the mold modules are connected to the exposed terminals of the insert-molded conductors and the mold modules are firmly fixed to the heat sink.