摘要:
An exhaust gas recirculation device for an engine having a cylinder head with a suction port and an exhaust port, provided with a mechanism for recirculating a portion of exhaust gas to the suction side of the cylinder head, comprises a connection hole is opened through a wall of the cylinder head disposed between the suction port and the exhaust port. The connection hole is bored vertically slantwise. The connection hole at the suction side is opened along the direction of swirls of sucked air. A throttle is disposed in at least either a suction flow passage communicating with the suction port or an exhaust flow passage communicating with the exhaust port so that the opening area of the suction flow passage or the exhaust flow passage can be adjusted by the throttle.
摘要:
Provided is a variable reluctance type angle detector whose exciting winding resistance can be reduced to increase an exciting current without an increase in exciting power source voltage, thereby reducing an influence caused by a noise. The variable reluctance type angle detector includes: a stator including a plurality of teeth (2) inwardly formed at intervals in a circumferential direction, exciting coils (5) excited by a power source, and a-phase output coils (6) for outputting a change in magnetic flux as a voltage, the exciting coils (5) and the a-phase output coils (6) being formed in the teeth (2) by winding a wire on each of the teeth; and a rotor (4) including an iron core having a shape in which a gap permeance between the iron core and the stator (3) is sinusoidally changed, in which the exciting coils (5) formed in the teeth (2) which are different from one another are connected in series in a circumferential direction to produce a plurality of exciting coil groups and the exciting coil groups are connected in parallel to form an exciting winding (9).
摘要:
A hair styling device for smoothing and straightening hair strands on a scalp region, comprising, in combination: two hingedly attached, movably opposed arms each of said arms comprising a hair strand gripping means; heating means incorporated into the gripping means for providing heat to the hair strands; a reservoir in fluid communication with a means of delivery of the gripping means which delivers a nonvolatile styling active delivered as droplets having a Dv(90) of less than about 30 microns. A method for straightening hair strands on a scalp region wherein hair to be straightened is passed under tension between a gripping means, wherein the gripping means provides a heating means, and a styling active comprising nonvolatile compounds, wherein the styling active is delivered as droplets having a Dv(90) of less than about 30 microns.
摘要:
The rotating electric machine has a stator coil wound around a stator, a magnetic pole and a signal rotor fixed to a rotor, and a detection stator, disposed opposite to the signal rotor, for detecting the rotational position of the rotor, characterized by further comprising an adjuster for adjusting the position of the signal rotor or the detection stator by supplying a direct current to a predetermined phase of the stator coil and then a direct current to a different phase from the predetermined phase to rotate the rotor by a predetermined angle or more and constrain the rotor.
摘要:
Provided is a variable reluctance type angle detector whose exciting winding resistance can be reduced to increase an exciting current without an increase in exciting power source voltage, thereby reducing an influence caused by a noise. The variable reluctance type angle detector includes: a stator including a plurality of teeth (2) inwardly formed at intervals in a circumferential direction, exciting coils (5) excited by a power source, and a-phase output coils (6) for outputting a change in magnetic flux as a voltage, the exciting coils (5) and the a-phase output coils (6) being formed in the teeth (2) by winding a wire on each of the teeth; and a rotor (4) including an iron core having a shape in which a gap permeance between the iron core and the stator (3) is sinusoidally changed, in which the exciting coils (5) formed in the teeth (2) which are different from one another are connected in series in a circumferential direction to produce a plurality of exciting coil groups and the exciting coil groups are connected in parallel to form an exciting winding (9).
摘要:
The present invention provides an engine cover structure for an engine (1) whose cylinder head (7) is covered at three of front, rear, right and left sides thereof by a fuel tank (10), an air cleaner (20) and a muffler (9), respectively, comprising a cover (50) which covers the remaining one side and/or a top side of the cylinder head (7).
摘要:
In a synchronous motor control device that corrects a deviation in rotational position which is related to a rotational position detector for a synchronous motor on which vector-control is performed, the synchronous motor control device includes: a current instruction generator that disables a torque instruction to set d-axis and q-axis current instructions as zero when a phase correction instruction is inputted; a current controller that outputs d-axis and q-axis voltage instructions based on the d-axis and q-axis current instructions; a phase correction quantity detector for determining the amount of offset in which the d-axis voltage instruction becomes zero when the phase correction instruction is inputted and the d-axis voltage instruction is not zero; an adder for adding a rotor positional angle and the amount of offset; and a voltage converter for determining three-phase voltage instructions based on the additional value, the d-axis and q-axis voltage instructions.
摘要:
A method of controlling an electric rotating machine for a vehicle includes an electric rotating machine (1) including a rotator having a field winding (5) and a stator having an armature winding (3), a field current controller (9) for controlling a field current supplied from a direct-current power supply to the field winding (5), and a power converter (6) for converting a direct-current power into an alternating-current power and applying the power to the armature winding (3). When the field current controller (9) starts to supply a current to the field winding (5) for starting an internal combustion engine, the power converter (6) supplies a power to the armature winding (3) so that magnetic flux in a direction opposite to that generated by the field winding (5) is generated simultaneously with or immediately before starting the power supply.
摘要:
A method of controlling a claw-pole synchronous machine with enhanced controllability without incurring additional expensiveness. Operation of the claw-pole synchronous machine is controlled through a vector control of an armature voltage and an armature current supplied from an inverter power source in combination with a field current control. When the claw-pole synchronous machine is operated as a generator, the field current is controlled on the basis of a demanded output power and rotation speed of the claw-pole synchronous machine while a field weakening control with the armature current (id) is performed by controlling magnitude and a phase difference angle (Ø) of the armature current (id).
摘要:
A current detecting device allows three-phase alternating currents of two different frequencies to be detected only by two current detecting sensors, thereby achieving reduced cost. The current detecting device includes a current detector for simultaneously detecting a plurality of three-phase alternating currents of different frequencies that are respectively output from two windings of a dynamo-electric machine having two windings wrapped around the same stator core, an estimator for obtaining estimated values of the respective currents; and a separation computing device for separating, by each frequency, currents detected by the current detecting device based on outputs of the estimating device.