摘要:
Disclosed are a rotation angle detection device including: a stator provided with a one-phase excitation winding and two-phase output windings; and a rotor having salient poles, and a dynamo-electric machine using the same. The two-phase output windings are wound around a plurality of teeth of the stator, and respective numbers of turns of the two-phase output windings are obtained by using m-phase windings (m is an integer of 3 or more) imaginarily defined to convert the numbers of turns of the m-phase windings into those of two-phase windings. Thus, since the number of phases decreases compared with the case in which the windings are structured with m phases, a structure is simplified, and a manufacturing process is facilitated.
摘要:
An ultrasonic wave applying apparatus which is safe and convenient for use. The apparatus includes an hand-held applicator having a vibration element which is, in use, contact with a skin of a user to apply ultrasonic waves to the skin, a power source providing a DC voltage, an oscillator circuit which is energized by the DC voltage from the power source to generate an oscillating output for driving the vibration element, and a load detecting circuit which monitors whether the vibration element is loaded such as by contact with the skin and provides a load detection signal when the vibration element is so loaded. In addition, a motion detecting circuit is provided to monitor whether the vibration element is moving and give a motion detection signal when the vibration element is so moving. A control circuit is connected to the load detecting circuit and the motion detecting circuit for controlling the driving circuit to reduce the oscillating output being fed to the ultrasonic vibration element when the load detection signal is not received within a predetermined first time period or when the motion detection signal is not continuous over a critical time duration within a predetermined second time period even in the presence of the load detection signal being detected within the first time period.
摘要:
A control apparatus for a vehicle alternating current generator comprising a switching device operable in response to the detection of an operating state temperature to control the field current of the generator independently of another switching device performing a field current control based on the output voltage of the generator, thereby to limit the output current of the generator.
摘要:
An apparatus for controlling a generator for a vehicle for limiting the output current of the generator by controlling the field current of the generator having an operating state detector for detecting the operating state of the vehicle, a reference clock generator, a modulator for modulating the reference clock pulses for generating reference clock pulses in response to the output of the operating state detector to sequentially vary the field current.
摘要:
The present invention provides an idea to achieve a simulated experience device for video-game enabling a simulated experience for an operator to bodily feel a tactile sense corresponding to a video-game software and give a reaction by a force of the operator. By combining a doll play using a figurine, a tool and a mechanical device for creating the tactile sense corresponding to the content of the video-game and a sensory video-game operated by using human body, the tactile sense corresponding to the content of the video-game is created, the created tactile sense is felt by the operator, a reaction is given to the tactile sense felt by the operator while adjusting a force of the operator. Thus, a load is generated and the generated load is quantified as X, converting X into a button operation of a remote controller for the video-game. Accordingly, a simulated experience device for enabling the simulated experience of the tactile sense of the video-game is achieved.
摘要:
A rotor core is configured by arranging divided rotor cores coaxially so as to be in close contact with each other such that magnetic pole centers are aligned axially, auxiliary grooves are recessed into respective outer circumferential surfaces of the divided rotor cores between respective magnetic poles so as to have plane symmetry relative to a plane that includes a center position between the magnetic poles and a central axis of the divided rotor cores, and so as to extend from a first axial end to a second axial end of the divided rotor cores, the auxiliary grooves recessed into an outer circumferential surface of an identical divided rotor core have an identical groove shape, and groove widths of the auxiliary grooves are set such that predetermined orders of harmonic components of cogging torque that result from each of the divided rotor cores mutually cancel each other out.
摘要:
An aircraft/spacecraft fluid cooling system and an aircraft/spacecraft fluid cooling method in which a fluid in a pipe installed in aircraft or spacecraft can be cooled efficiently so that the amount of fluid required for cooling the fluid can be reduced. A fluid cooling system includes a feed line that feeds a fluid from a storage tank to a pump, and a cooling section that expands a propellant having traveled through the pump, feeds the propellant to the outer periphery of the feed line so as to cool the propellant in the feed line, and discharges the expanded propellant outside.
摘要:
An engine device in which an exhaust gas purification device can be disposed without substantially increasing mounting width dimensions (height, lateral width, front and rear width) of an engine. The engine device includes the exhaust gas purification device connected to an exhaust manifold of the engine, an oil pan disposed on a bottom of the engine, a support body for linking the exhaust gas purification device to the oil pan, so that the exhaust gas purification device is supported by the oil pan.
摘要:
Permanent magnets that constitute the single magnetic poles are constituted by n permanent magnet segments, the n permanent magnet segments being configured such that shapes and directions of orientation thereof have mirror symmetry relative to a plane that passes through a magnetic pole center and that includes a central axis of the rotor core, and being oriented such that a permanent magnet segment that is further away from the magnetic pole center in a circumferential direction has a smaller angle of orientation, and the permanent magnet segment that is positioned further away from the magnetic pole center in the circumferential direction being produced so as to have an approximately fan-shaped cross-sectional shape in which a radial width is wider than a circumferential width.
摘要:
A power supply system for a motor vehicle includes a generator that includes a rotor having a field coil and a stator having an armature coil; a rectifier that rectifies AC power generated in the armature coil; an excitation control circuit that takes control of a voltage applied to the field coil; a capacitor that is connected to the DC side of the rectifier, and receives and transfers the rectified power; a battery connected to an electric load of the motor vehicle; a DC-DC converter that is connected between the capacitor and the battery and capable of converting unidirectionally or bidirectionally an input DC voltage into any DC voltage; and a selection switch which connects the capacitor or the battery to the excitation control circuit as a power supply source.