Abstract: A voltage detecting apparatus includes: a voltage detecting unit configured to detect a voltage of a battery supplying power to a load; a discharge circuit configured to discharge the battery; a protection circuit disposed between the voltage detecting unit and the battery and between the discharge circuit and the battery; and a determination unit configured to estimate an internal resistance of the protection circuit on the basis of a first voltage detected by the voltage detecting unit when the discharge circuit is in a non-operating state and a second voltage detected by the voltage detecting unit when the discharge circuit is in an operating state and determine a half-cut state of the protection circuit on the basis of a result of the estimation.

Abstract: A hydraulic control apparatus is provided including: an electromagnetic valve that has an input port communicating with a supply destination unit of oil and a control port that is switched between communication and disconnection by resultant force of a hydraulic pressure of the supply destination unit and electromagnetic force; a variable displacement pump which has a suction port communicating with a supply source of the oil, an ejection port communicating with the supply destination unit, and a control chamber communicating with the control port and rotates in accordance with drive of the supply destination unit, in which an amount of the oil ejected to the supply destination unit through the ejection port changes in accordance with a pressure in the control chamber; and a control unit that controls a value of a necessary current that is caused to flow through the electromagnetic valve.

Abstract: A cooling device includes a heat receiver that receives heat of an electronic component via a coolant, a heat discharger that discharges heat of the coolant from the heat receiver, and a circulation flow path through which the coolant flows from the heat receiver to the heat discharger and the coolant flows from the heat discharger to the heat receiver. The heat receiver is provided with an attachment surface to which a plurality of the electronic components are attached, a first flow path that communicates with the circulation flow path, and a plurality of surface area increasing members that communicate with the first flow path and that are provided on a rear surface of the attachment surface corresponding to the plurality of electronic components.

Abstract: A battery connection module is adapted to connect a battery pack, the battery connection module comprises: a carrying tray; a plurality of busbars mounted on the carrying tray and adapted to electrically connect a plurality of batteries of the battery pack; a flexible circuit board mounted on the carrying tray and mechanically and electrically connected to the plurality of busbars, the flexible circuit board having a frame-shaped portion with an opening, a flexible mating portion being provided in the opening of the frame-shaped portion; and a battery management system mounted on the carrying tray, positioned above the flexible circuit board and comprising a flexible circuit board connector; the flexible mating portion extending into the opening and being reversely bent and mated with the flexible circuit board connector on the battery management system. These components are integrated to an integrated module that facilitates subsequent assembling and use.

Abstract: The intake control apparatus (1) includes a body (4) which integrally includes intake pipes (2a) and (2b). The body (4) includes a linear bypass passage (10a), which passes through thereinside, one end of which opens upstream of a valve body (5) of the intake pipe (2a), and the other end of which opens downstream of the valve body (5) of the intake pipe (2b).

Abstract: A discharge control device performs discharging of a capacitor, in a state in which a battery is not connected to an inverter that drives a motor, by causing electric charges accumulated in the capacitor connected to the inverter to be consumed by windings of the motor. The discharge control device performs the discharging of the capacitor by sequentially generating command values for voltages applied to a ? axis and a ? axis while causing a voltage phase in an ?? stationary coordinate system having a rotation axis of a rotor of the motor as an origin and defined by the ? axis and the ? axis orthogonal to each other to be inverted in a predefined period.

Abstract: A centrifugal air blower includes a lower case. The lower case includes a land part near a tongue part joining a discharge passage of a passage section and a spiral start position of a spiral passage. The land part protrudes toward an upper case. The height position of the land part is substantially the same as the height position of lower ends of blades. The land part includes a first wall which is vertically formed along an inner circumferential wall of the discharge passage, a second wall which is vertically formed on an outer circumferential side of an insertion hole and on a radially inward side of the first wall, and a ceiling covering upper ends of the first and second walls.

Abstract: An air-conditioning blower motor unit includes a brushless motor that is controlled by electronic parts arranged on a circuit board. A rotation shaft of the brushless motor that rotates a blower fan is rotatably held by bearing holders. The bearing holders and the circuit board are held by a support disk without overlapping each other. The support disk is held by the bearing holders via a vibration absorber.

Abstract: A control device for a step-up converter which controls the step-up converter connected between a load and a DC power source, the control device includes a voltage control unit, a current command generation unit, a duty estimator, and a pole zero cancellation control unit. The voltage control unit performs a control arithmetic operation on the basis of a calculated value, obtained by performing a proportional arithmetic operation and an integration arithmetic operation on a difference between a voltage value on the load side and a voltage command value, and a value generated by the pole zero cancellation control unit. The current command generation unit generates a reactor current command value on the basis of an arithmetic result of the voltage control unit and a reciprocal of a duty estimation value.

Abstract: An in-vehicle control device connected to an in-vehicle LAN system conforming to a CAN protocol, when an output signal output from a second controller maintains a dominant level for a predetermined time, determines that there is an abnormality in the output signal output from the second controller, and converts the output signal output to a selection section from the second controller into a signal of a recessive level.

Abstract: A support plate is accommodated in the interior of a casing, the support plate having a bearing member that rotatably supports a rotating shaft of a brushless motor, together with supporting a circuit substrate on which a control circuit is provided. The casing is constituted by combining a lower side half body and an upper side half body. A second flow passage through which cooling air (air) is allowed to flow is formed in the lower side half body, and a protrusion is provided therein, which serves as a guide member for guiding the cooling air toward the side of (a first flow passage of) the upper side half body.

Abstract: A pressure reducing valve for gas is provided in which a connecting passage providing a connection between a passage and a pressure action chamber is formed within a valve body, a guide hole guiding movement of the valve body between a spring chamber and a high pressure chamber is formed within a body, a spring linked to a piston and urging the valve body in an opening direction is provided within the spring chamber, and a seal member providing a seal between the high pressure chamber and the spring chamber is disposed between the guide hole and the valve body. This provides a pressure reducing valve for gas that can suppress problems based on a decrease in the temperature of a pressure reducing valve.

Abstract: A valve control device controls a valve drive mechanism on the basis of a degree-of-opening signal for a valve and a startup signal for an engine, and includes: a drive signal generating unit that, when it is determined on the basis of the startup signal that the engine is stated, generates a test drive signal for test-driving the valve before the generation of a normal drive signal associated with normal driving of the valve; and an abnormality determining unit that, on the basis of the degree-of-opening signal during the test driving, determines whether or not an abnormality has occurred in the drive mechanism. The drive signal generating unit stops generating the test drive signal and the normal drive signal when the abnormality determining unit determines that the abnormality has occurred in the drive mechanism.

Abstract: A door actuating device includes a plurality of doors disposed in a flow channel for adjusting a degree of opening of the flow channel defined in an air conditioner case, the doors having respective door drive shafts, and a link unit actuating at least two of the doors. The link unit includes an actuator, a plate-like base member having two surfaces, a link mechanism having a plurality of levers mounted on at least either one of the two surfaces of the base member, and a rack member movably disposed on the base member and movable by a drive force transmitted from the actuator.

Abstract: A valve control device performs feedback control of a drive mechanism for a wastegate valve provided for a supercharger of an engine on the basis of a sensor signal indicating a real degree of opening of the wastegate valve and a target degree of opening of the wastegate valve, and includes a gain setting unit configured to set different control gains when the wastegate valve is closed and when the wastegate valve is opened.

Abstract: A stator of a brushless motor is provided with stator side terminal portions. A circuit board is provided with board side terminal portions. The stator side terminal portions are connected to adjacent two of U phase electromagnetic coils, V phase electromagnetic coils and W phase electromagnetic coils. The stator side terminal portions and the board side terminal portions are electrically connected via flexible wires.

Abstract: A power conversion device includes a first cooler configured to cool a power module, a second cooler configured to cool at least one electronic component, and a housing configured to house the first cooler and the second cooler. The power conversion device also includes a connecting coolant passage formed in an inner wall of the housing such that the connecting coolant passage connects the first cooler to the second cooler. The power conversion device can have the connecting coolant passage formed in the housing, without enlarging a size of the housing. The strength of a side wall of the housing is enhanced because the connecting coolant passage is formed in the inner wall of the housing.

Abstract: Provided is an air-conditioning blower motor unit that includes: a brushless motor which has an output shaft to be coupled with an air-conditioning blower fan constituting an air conditioner; a circuit board configured to allow the brushless motor to be driven by a supply of electric power; a casing configured to house the brushless motor and the circuit board; and a base frame configured to support the circuit board and the output shaft. The circuit board on the base frame is disposed at a position eccentric with respect to the output shaft inside the casing.

Abstract: In a voltage detection apparatus for detecting voltage of battery modules, it is possible to detect that a shut-off element performed operation in a certain one of a plurality of battery modules connected in parallel. The voltage detection apparatus detects voltage of the plurality of battery modules each including a shut-off element and connected in parallel with respect to a load, and decides whether the shut-off elements are operating based on the cell voltage in a state that the plurality of battery modules are disconnected from a power supply line by switching wares.

Abstract: A power conversion device includes a multiphase power conversion circuit, a plurality of bus bars which are arranged adjacent to each other, phase currents of the multiphase power conversion circuit flowing through the plurality of bus bars, respectively, a single current sensor configured to detect any of the phase currents in the plurality of bus bars, and a housing which houses the multiphase power conversion circuit, the plurality of bus bars and the current sensor, in which the current sensor includes a magnetic core through which the plurality of bus bars are inserted such that flow directions of the phase currents are the same direction, and which has a single magnetic gap, and a Hall element inserted in the magnetic gap.