Abstract: A four-wheel drive vehicle comprises: main drive wheels and sub-drive wheels; a first input rotating member; a first output rotating member; a second input rotating member; a second output rotating member; a first dog clutch; a second dog clutch; a synchromesh mechanism. In the case of canceling a disconnect state in which the power transmitting member interrupts power transmission from the drive power source and the sub-drive wheels, the control device controls an engagement torque of the coupling to a preset first torque and operates the synchromesh mechanism to engage the first dog clutch when it is determined that the rotation speeds are synchronized between the second input rotating member and the second output rotating member, and controls the engagement torque of the coupling to a second torque smaller than the first torque to engage the second dog clutch when it is determined that the first dog clutch is engaged.

Abstract: An object of the present invention is to reduce output voltage errors of an inverter circuit and stably control a motor until the motor reaches high speed rotation. An inverter device includes a PWM controller that generates a PWM pulse for converting DC voltage to AC voltage in accordance with an output request of a motor, and an inverter circuit that converts the DC voltage to the AC voltage with the PWM pulse generated by the PWM controller and drives a motor. The PWM controller changes the pulse width of the PWM pulse at predetermined timing on the upper side of the trapezoidal wave when the trapezoidal wave modulation using the trapezoidal wave is performed in the overmodulation region.

Abstract: A navigation method for a ship which includes: a plurality of main generators that feed power to navigation equipment used in normal navigation and appliances for the living quarters provided within a ship body; and an emergency generator that feeds power to emergency equipment in case of fire or flood. The navigation method includes: an emergency power feeding step for feeding power to the emergency equipment using the emergency generator when at least one of the plurality of main generators is disabled due to fire or flood; and a return-to-port power feeding step for feeding power to return-to-port equipment, required for navigation for returning to port, using the main generators and the emergency generator after the fire or flood has subsided.

Abstract: This ship includes a ship body, a fuel tank chamber, a stern-side engine room, a bow-side engine room, a main fuel line and a sub-fuel line, and a pump mechanism. The main fuel line connects a fuel tank, a stern-side power generation unit, and a bow-side power generation unit through the bow-side engine room. The sub-fuel line connects at least the fuel tank and the stern-side power generation unit, and is disposed through a section different from the bow-side engine room through which the main fuel line passes. The pump mechanism selectively feeds fuel into the main fuel line or the sub-fuel line from the fuel tank.

Abstract: An object of the invention is to correct a variation of a gain of a current sensor without causing an increase in size and a high cost of an inverter control device. An inverter control device according to the invention includes a 3-phase/dq-axis conversion unit which converts the output current detected by a current sensor into a dq-axis current and a gain adjustment unit which adjusts a detection gain of the current sensor for each phase. In a case where a current value of a secondary harmonic component contained in the dq-axis current is equal to or more than a predetermined threshold, the gain adjustment unit corrects the gain of the current sensor such that the current value of the secondary harmonic component becomes less than the threshold.

Abstract: A liquid ejection head includes a first channel member and a plurality of pressurizing parts. The first channel member includes a plurality of ejection holes, a common channel, a damper chamber, and a damper. The first channel member is configured by a plurality of flat plates including a first plate with the plurality of ejection holes and a second plate adjacent to this. The second plate includes a first part sandwiched between the damper chamber and the first plate. A covering layer is unevenly provided on the first surface of the first part.

Abstract: A liquid ejection head includes a first channel member and a plurality of pressurizing parts. The first channel member includes a plurality of ejection holes, a common channel, a damper chamber, and a damper. The first channel member is configured by a plurality of flat plates including a first plate with the plurality of ejection holes and a second plate adjacent to this. The second plate includes a first part sandwiched between the damper chamber and the first plate. A covering layer is unevenly provided on the first surface of the first part.

Abstract: A differential device for a 4-wheel-drive vehicle wherein a portion of a drive power source drive force transmitted to left and right main drive wheels is transmitted to left and right auxiliary drive wheels through a propeller shaft which is disconnectable from a power transmitting path between the main drive wheels and drive power source, the differential device distributes the drive force from the propeller shaft to the auxiliary drive wheels, and selectively connects and disconnects the propeller and an output shaft to and from each other, the output shaft. The differential device includes a side oil seal between the output shaft and a casing, a side bearing adjacent to the seal in an output shaft axial direction such that the output shaft is rotatably supported by the casing via the bearing, and an oil slinger axially adjacent to the bearing so the slinger is rotated with the output shaft.

Abstract: A vehicle seat (10) comprising a seat cushion frame (72) that configures a seat cushion (70); a seat back frame (14) that configures a seat back (12), the seat back frame (14) being formed in a panel shape and having, on a lower portion thereof on both sides in a seat width direction, coupling portions (46) that are coupled to the seat cushion frame (72); fixing portions (20) that are formed in an upper portion of the seat back frame (14) and fix a headrest (60); and load transmitting portions (40) that are disposed in the seat back frame (14), are each formed in a substantially L-shape opening toward the seat rear side and outward in the seat width direction, and couple together the fixing portions (20) and the coupling portions (46).

Abstract: An object of the invention is to correct a variation of a gain of a current sensor without causing an increase in size and a high cost of an inverter control device. An inverter control device according to the invention includes a 3-phase/dq-axis conversion unit which converts the output current detected by a current sensor into a dq-axis current and a gain adjustment unit which adjusts a detection gain of the current sensor for each phase. In a case where a current value of a secondary harmonic component contained in the dq-axis current is equal to or more than a predetermined threshold, the gain adjustment unit corrects the gain of the current sensor such that the current value of the secondary harmonic component becomes less than the threshold.

Abstract: In an initial position, a movable plate (50) is rotatably connected to a fixed plate (40) by a connecting mechanism (70) (a shaft member (80) and a groove (72)). In a switching position, the movable plate (50) is slidably connected to the fixed plate (40) by the connecting mechanism (70) in a manner that enables the movable plate (50) to slide toward a seat width direction center side. When the movable plate (50) is pushed toward the seat width direction center side by the bladder (60), the movable plate (50) and a support pad are rotated from the initial position to the switching position. Then, the movable plate (50) that has rotated to the switching position is pushed toward the seat width direction center side, by the bladder (60), and the movable plate (50) and the sup port pad slide from the switching position toward the seat width direction center side.

Abstract: An object is to reduce a discharging time required for discharging residual charges of a capacitor.

Abstract: A control device for a vehicle four-wheel drive device includes a drive source, front wheels, rear wheels, a rear-wheel differential gear, a friction clutch, and an electronic control unit. The electronic control unit is configured to correct a calculated clutch torque to decrease in a case where a four-wheel drive running is performed and it is determined that the turning direction is a direction in which the vehicle turns such that an outer wheel is a rear wheel on a side where the friction clutch is provided. The electronic control unit is configured to correct the calculated clutch torque to increase in a case where the four-wheel drive running is performed and it is determined that the turning direction is a direction in which the vehicle turns such that an inner wheel is the rear wheel on the side where the friction clutch is provided.

Abstract: A surge according to a change of a switching state can be reduced without increasing a torque ripple of a motor. A first switching signal to control switching of a boost converter is generated on the basis of a comparison of a first duty command value and a first triangular wave carrier of the boost converter. A second switching signal to control switching of an inverter is generated on the basis of a comparison of a second duty command value and a second triangular wave carrier of the inverter. In addition, the second triangular wave carrier is generated such that a frequency of the second triangular wave carrier becomes equal to a frequency of the first triangular wave carrier and a phase of the second triangular wave carrier is different from a phase of the first triangular wave carrier by 180 degrees.

Abstract: A shoulder support adjuster includes a shoulder support, a bending angle adjusting mechanism, and a bending position adjusting mechanism. The bending angle adjusting mechanism and the bending position adjusting mechanism are provided within the shoulder support of a vehicle seat. At the bending angle adjusting mechanism, a bending angle of the seatback is adjusted by inflating an airbag. Further, at the bending position adjusting mechanism, by inflating the airbag and airbags, a flexed position of a shoulder plate is moved downward, and a bending position of the seatback changes downward. The bending position of the seatback is thereby adjusted.

Abstract: A seatback frame structure includes a reclining mechanism, a joining member that is joined to the reclining mechanism, a fastening member, a seatback frame, and a restricting member. The seatback frame forms a frame of a seatback that can support a back of a seated occupant. The seatback frame is fastened to the joining member by the fastening member. The restricting member includes a restricting portion. The restricting portion is fastened, together with the seatback frame, to the joining member by the fastening member. The restricting portion is configured to restrict relative movement of the seatback frame with respect to the joining member when a vehicle is involved in a rear collision. The seatback frame is made of resin, and the seatback frame is fixed in a state sandwiched by the restricting member and the joining member.

Abstract: A power source apparatus mounted to a vehicle is equipped with a lead-acid battery and a lithium battery. An open circuit voltage and an internal resistance of each of the batteries are determined to satisfy the following conditions (a1), (a2), and (a3): (a1) In the use range of SOC of the lead-acid battery and the use range of SOC of the lithium battery, there is an equal voltage point Vds at which the open circuit voltage V0 (Pb) of the lead-acid battery becomes equal to the open circuit voltage V0 (Li) of the lithium battery; (a2) The relationship of V0 (Li)>V0 (Pb) is satisfied in the upper limit side of the use range of SOC of the battery; and (a3) A terminal voltage Vc (Li) of the lithium battery is not more than a set voltage Vreg of a regulator when a maximum current flows in the lithium battery.

Abstract: A surge according to a change of a switching state can be reduced without increasing a torque ripple of a motor. A first switching signal to control switching of a boost converter is generated on the basis of a comparison of a first duty command value and a first triangular wave carrier of the boost converter. A second switching signal to control switching of an inverter is generated on the basis of a comparison of a second duty command value and a second triangular wave carrier of the inverter. In addition, the second triangular wave carrier is generated such that a frequency of the second triangular wave carrier becomes equal to a frequency of the first triangular wave carrier and a phase of the second triangular wave carrier is different from a phase of the first triangular wave carrier by 180 degrees.

Abstract: In an initial position, a movable plate (50) is rotatably connected to a fixed plate (40) by a connecting mechanism (70) (a shaft member (80) and a groove (72)). In a switching position, the movable plate (50) is slidably connected to the fixed plate (40) by the connecting mechanism (70) in a manner that enables the movable plate (50) to slide toward a seat width direction center side. When the movable plate (50) is pushed toward the seat width direction center side by the bladder (60), the movable plate (50) and a support pad are rotated from the initial position to the switching position. Then, the movable plate (50) that has rotated to the switching position is pushed toward the seat width direction center side, by the bladder (60), and the movable plate (50) and the sup port pad slide from the switching position toward the seat width direction center side.

Abstract: A control device for a vehicle four-wheel drive device includes a drive source, front wheels, rear wheels, a rear-wheel differential gear, a friction clutch, and an electronic control unit. The electronic control unit is configured to correct a calculated clutch torque to decrease in a case where a four-wheel drive running is performed and it is determined that the turning direction is a direction in which the vehicle turns such that an outer wheel is a rear wheel on a side where the friction clutch is provided. The electronic control unit is configured to correct the calculated clutch torque to increase in a case where the four-wheel drive running is performed and it is determined that the turning direction is a direction in which the vehicle turns such that an inner wheel is the rear wheel on the side where the friction clutch is provided.