Abstract: In a wastegate valve which is provided in the bypass path bypassing the turbine of the turbocharger in the exhaust gas path and which opens and closes the bypass path, the wastegate valve is provided with a valve seat which is formed in a plane perpendicular to or tilted with an inclination angle with respect to an axial direction of the bypass path, and a valving element which is pivotable around a pivot point which has a relationship of 0°<?<90° with respect to the plane including the valve seat where ? is an inclination angle, the valving element being moved away from or closer to the valve seat by pivotation of the valving element to open or close the valve.

Abstract: A motor rotor structure for an electric turbo charger is manufactured at low cost with good quality by fixedly fitting, over a shaft, a rotor core having electromagnetic steel sheets pre-formed as an integrated stack. The rotor structure includes a rotor core which is rotated by a magnetic field formed by a stator in a housing; a shaft configured to rotate a compressor impeller and the rotor core together; and a bearing supporting the shaft. The rotor includes the rotor core including the electromagnetic steel sheets; a stopper portion formed at an intermediate portion of the shaft to restrict axial movement of the rotor core; and a pressing unit which presses the rotor core fitted over the shaft against the stopper portion. The pressing unit prevents a circumferential phase shift between the shaft and the rotor core by a pressing force thereof.

Abstract: [Object] A prophylactic or therapeutic agent for a cardiovascular disease is provided. [Means for Resolution] An atropisomer of a compound represented by the following general formula (I): (wherein R1 is a C1-C3 alkyl group or a hydroxy-C1-C3 alkyl group; and R2 is a hydrogen atom or a C1-C3 alkoxy group).

Abstract: A turbocharger and a method of manufacturing a floating bush with which noise can be reduced, and the rotation speed can be increased. In a turbocharger in which a rotating shaft having a circular cross-section and connecting a turbine rotor and a compressor rotor is supported in a freely rotatable manner, at two axially separated positions via floating bushes, by an inner circumferential surface disposed so as to surround the rotating shaft in a bearing housing, an inner circumferential surface of each of the floating bushes has a non-circular shape in which the curvature of the cross-sectional shape varies in the circumferential direction.

Abstract: [Object] A prophylactic or therapeutic agent for a cardiovascular disease is provided. [Means for Resolution] An atropisomer of a compound represented by the following general formula (I): (wherein R1 is a C1-C3 alkyl group or a hydroxy-C1-C3 alkyl group; and R2 is a hydrogen atom or a C1-C3 alkoxy group).

Abstract: A rotation shaft supporting structure for an electric supercharger is provided with: a rotation shaft to which a compressor wheel is attached, the compressor wheel being a wheel of a supercharging side; an electric motor including a motor rotator securely installed to the rotation shaft, and a stator for applying torque to the motor rotator; a bearing provided on a bearing side closer to the compressor wheel than the motor rotator so as to support the rotation shaft; and a damper unit for absorbing shaft vibration of the rotation shaft, the damper unit being provided at a shaft end on an opposite side to the bearing side.

Abstract: In a wastegate valve which is provided in the bypass path bypassing the turbine of the turbocharger in the exhaust gas path and which opens and closes the bypass path, the wastegate valve is provided with a valve seat which is formed in a plane perpendicular to or tilted with an inclination angle with respect to an axial direction of the bypass path, and a valving element which is pivotable around a pivot point which has a relationship of 0°<?<90° with respect to the plane including the valve seat where ? is an inclination angle, the valving element being moved away from or closer to the valve seat by pivotation of the valving element to open or close the valve.

Abstract: This disclosure enables high-productivity fabrication of porous semiconductor layers (made of single layer or multi-layer porous semiconductors such as porous silicon, comprising single porosity or multi-porosity layers). Some applications include fabrication of MEMS separation and sacrificial layers for die detachment and MEMS device fabrication, membrane formation and shallow trench isolation (STI) porous silicon (using porous silicon formation with an optimal porosity and its subsequent oxidation). Further, this disclosure is applicable to the general fields of photovoltaics, MEMS, including sensors and actuators, stand-alone, or integrated with integrated semiconductor microelectronics, semiconductor microelectronics chips and optoelectronics.

Abstract: The present invention comprises a compound for the prevention and/or treatment of cardiovascular diseases. The compound is an atropisomer of a compound represented by the following general formula (I): wherein R1 represents a C1-C3 alkyl group; R2 represents a 2-hydroxy-C4-C6 alkyl group; R3 represents a halogeno group, a halogeno-C1-C3 alkyl group and the like; R4 represents a hydrogen atom, a halogeno group and the like; R5 represents a C1-C3 alkyl group; and R6 represents a hydrogen atom, a halogeno group and the like] or atropisomers thereof.

Abstract: Provided is an exhaust turbine equipped with an exhaust control valve which can reduce wear of the contact surfaces between the shaft and the bushing or the turbine casing. The exhaust turbine is equipped with the exhaust control valve for opening/closing an exhaust bypass passage leading the exhaust turbine being driven by exhaust gas output from an engine to an exhaust outlet passage while bypassing the exhaust turbine, wherein the exhaust control valve comprises a shaft which is supported rotation-freely by a turbine casing and supports a valve element, an arm equipped with a connecting part with a drive source and turning the shaft about the axis thereof by the reciprocating motion of the connecting part produced by the drive source, and a weight attached to an end on the side opposite to the connecting part with the drive source with respect to the axis of the shaft.

Abstract: A variable-capacity exhaust turbocharger is provided which is equipped with a variable-nozzle mechanism having a lever plate and a peripheral structure capable of ensuring regular operability of a nozzle vane and of preventing an occurrence of local excessive stress by increasing rigidity of the lever plate without increasing a thickness of the lever plate.

Abstract: A transformer for wind power generation is configured such that the transformer's main body, which contains an insulating refrigerant in a tank where an iron core and windings mounted to the iron core are contained, is disposed in a tower which configures a wind power generation system, and that water surrounding the wind power generation system is used as a secondary refrigerant for cooling the aforementioned refrigerant.

Abstract: When changing a nozzle blade angle by rotating a drive ring, a contact load generated between an inner circumferential surface of the drive ring and an outer circumferential surface of a mount can be reduced, allowing the drive ring to rotate smoothly and reducing the amount of wear and a driving force. It is also possible to reduce an impact force, such as engine vibrations, generated at the drive ring when an external force acts, reducing the risk of damage. A plurality of notches (19) are provided at an inner rim of the drive ring (14), and, among inner circumferential surfaces (14a, 14b, 14c, 14d, 14e, 14f, 14g, and 14h) located between the notches (19), when a driving force for rotating the drive ring (14) is applied, the inner diameters of the inner circumferential surfaces (14e, 14f, 14g, and 14h) where the contact load with the outer circumferential surface of a mount becomes large are made larger than the outer diameter of the outer circumferential surface.

Abstract: A sheet-metal turbine housing has a scroll part formed by joining opposing scroll members of sheet metal to form a spiral-shaped exhaust gas passage. The housing includes a member on a side of a bearing housing inclosing a bearing supporting a rotation shaft of a turbine rotor blade member on the exhaust side forms an outer side of the turbine rotor blade. Support columns connect the member on the side of the bearing housing with the member on the exhaust side in an axial direction of the turbine and are arranged at intervals on an outer circumference of the turbine. Each support columns may have a cross-sectional shape which includes an upstream corner and a downstream corner in a direction of a gas flow, each of which has an acute angle, so that an upstream surface and a downstream surface are inclined to the gas flow.

Abstract: Rotational speed of an electric turbocharger controlled so that the actual temperature of the motor does exceed the allowable level even over a long time span. A speed control device for the turbocharger, includes a temperature sensor, a speed limitation device which limits the speed of the motor in response to the temperature level detected by the temperature sensor wherein the speed limitation device is provided with a limit control start temperature correction device which decreases the limit control start temperature when the increase rate of the detected temperature exceeds a threshold. A speed limitation setting device sets a speed limit based on the temperature difference between the limit control start temperature and the detected temperature T on a rate of increase of the detected temperature.

Abstract: A hood in a tower receives air having absorbed heat released from a corrugated rib tank. The hood is set above the corrugated rib tank of a transformer being installed on a foundation in the interior of a tower and transforming electric power generated by an electric generator. An exhaust duct, which discharges the air having absorbed heat released from the corrugated rib tank and flowing into the hood, is provided to the interior of the tower so as to be connected to the hood and extend upward up to the upper portion of the tower.

Abstract: In a bearing oil supply structure for a wind turbine generator provided with a planetary-type planet gear box having a planet gear that rotates about a planet pin fixed to a carrier with a slide bearing interposed therebetween, lubrication of the slide bearing is achieved by supplying lubricant oil by using an oil bath in a lower rotation region and by supplying lubricant oil by injecting lubricant oil pressure-fed from a lubricant oil source through a nozzle in an upper rotation region.

Abstract: An apparatus for anodizing substrates immersed in an electrolyte solution. A substrate holder mounted in a storage tank includes a first support unit having first support elements for supporting, in a liquid-tight condition, only lower circumferential portions of the substrates, and a second support unit attachable to and detachable from the first support unit and having second support elements for supporting, in a liquid-tight condition, remaining circumferential portions of the substrates. A drive mechanism separates the first support unit and the second support unit when loading and unloading the substrates, and for connecting the first support unit and the second support unit after the substrates are placed in the substrate holder.

Abstract: The transformer comprises a transformer body and natural convection cooling type radiators for release of heat of the transformer body. The transformer body is accommodated in a wind power generating facility, and air outside the wind power generating facility comes into contact with the natural convection cooling type radiators to cool the same.

Abstract: Inside of a gas-tight housing, an electric motor, an inverter and a compressor are housed. Further, an intake air pipe is connected to the gas-tight housing. Inside of the gas-tight housing, an intake air flow passage is formed. Further, a connection opening of an outside air induction pipe provided with a flow rate regulating valve is arranged so as to face a suction opening of a compressor. When the delivery air flow rate as well as the delivery air pressure of the compressor is reduced due to the pressure loss and the like of the intake air ‘a’ which passes through the air flow passage and cools the electric motor and the inverter, an outside air ‘o’ of low temperature is induced so that: the capacity shortage as well as the performance deterioration of the compressor is constrained; and the over-heating of the compressor is constrained.