Abstract: A permanent magnet rotating electrical machine comprises a stator with a stator coil applied in a plurality of slots provided in a stator core, a rotor disposed opposite to the stator with a predetermined gap interposed therebetween, the rotor including a permanent magnet embedded in each of magnet-insertion holes provided in a rotor core of the rotor while polarity of the permanent magnet being varied on a pole-by-pole basis, and end plates disposed at ends of the rotor core, in the axial direction thereof, respectively, in which one end plate of the end plates disposed at the ends of the rotor core, in the axial direction thereof, respectively, is also provided with magnet-insertion holes, and each of the magnet-insertion holes provided in the one endplate is filled up with a non-magnetic material, thereby stopping up each of the magnet-insertion holes provided in the end plate.

Abstract: A rotor slot is asymmetrically shaped with respect to a straight line drawn from the central axis of the rotation of the rotor in a radial direction, and has a slot opening, the circumferential width of which is smaller than that of the rotor slot, at the top of the rotor slot, so that a loss generated in the rotor due to a carrier harmonic component can be reduced and the power factor can be improved, enabling a current generated in an armature winding to be suppressed and thereby improving efficiency in a rated operation.

Abstract: An the electrode for electrolysis of an electrolytic solution comprises an electrode core serving as a base and a plurality of prominences formed on a surface of the electrode core, the prominences have each a leaf-shaped form and rises from the electrode core surface.

Abstract: A permanent magnet rotating machine has a stator, in which armature windings are formed in a plurality of slots formed in a stator iron core, and also has a rotor, in which two magnet insertion slots are formed for each pole in a rotor iron core in a V shape when viewed from the outer circumference of the rotor and one permanent magnet is embedded in each magnet insertion slot with polarity alternating for each pole; a wall at one end of the magnet insertion slot on the external diameter side of the rotor is formed with three arcs having different curvatures, one of the three arcs being parallel to the outer circumference of the rotor, and a wall at the other end of the magnet insertion slot on the internal diameter side of the rotor is formed in an arc shape.

Abstract: For providing a permanent magnet type rotary electric machine that can reduce magnetic fluxes concentrated to one side in rotating direction on a magnetic pole circumferential face that causes torque ripple as well as ensure the mechanical strength, in the present invention, an outer circumference of respective magnetic poles is formed in a circular arc having a same curvature as well as the magnetic pole center axes of the respective magnetic poles are displaced with respect to the rotation center of a rotor so that an air gap between a stator and the respective magnetic pole outer circumferences at one side in the rotating direction is widened in comparison with the air gap at the other side.

Abstract: The permanent magnet rotating electric machine comprising a stator with a stator coil wound on a stator iron core, a rotor with a plurality of permanent magnets disposed in the circumferential direction in a rotor iron core, which is disposed opposite to the stator iron core of the stator with a predetermined spacing therebetween and is fixed to a shaft, a water-cooling unit disposed around the outer circumference of the stator iron core, and a fan fixed to the shaft on the same side as at least one axial end of the rotor iron core to circulate cooling air in the permanent magnet rotating electric machine; further comprising ventilation paths, through which the cooling air flows, formed around the outer circumference of the water-cooling unit; wherein after the cooling air has been circulated by the fan in the machine for cooling, the cooling air is led to the ventilation paths to perform heat exchange between the cooling air flowing in the ventilation paths and the water-cooling unit, after which the cooling

Abstract: In an electric rotating machine, for reducing losses that occur in clamping plates and their shield, the electric rotating machine includes a rotor formed with field winding wound around a rotor core, a stator placed opposite to the rotor at a predetermined space and formed with stator winding wound around a stator core formed by stacking multiple magnetic steel sheets in the axial direction, clamping plates clamping and retaining the stator core from both axial end parts thereof in the stacking direction of the magnetic steel sheets, and a magnetic shield placed around the clamping plates to shield flux leakage flowing into the clamping plates, and the magnetic shield is formed of a cylinder of stacked steel sheets stacked in a form of a cylinder about the rotor shaft and powder magnetic core segments and powder magnetic core segments having portions which are stuck to the cylinder of stacked steel sheets on the stacking cross section, and arranged to cover side surfaces and an inner surface of radial direct

Abstract: For providing a permanent magnet type generator that has a limited inside temperature rise gradient even if the capacity thereof is increased and permits to reduce the size thereof, the present invention provides a ventilation means that increases the inner gas (air or cooling wind) quantity that is caused circulated via the heat exchanger causing to flow outer air is increased more at a region facing the outer air exhaust side in the heat exchanger than at the outer air inlet side.

Abstract: A rotary electric machine, wherein the rotation direction of a rotor is a defined direction, a groove is provided in a rotor core on the radial outside with respect to permanent magnets, and the groove is provided in a position inclined from the centerline between the permanent magnets within a magnetic pole head and at the same time in a position excluding an end portion of a permanent magnet insertion hole on the radial outside, in order to enable a reduction in a no-load induced electromotive force and prevention of a decrease in output.

Abstract: A rotating electrical machine includes: a stator that includes a cylindrical stator core and a stator winding wire wound around the stator core; and a rotor disposed facing the stator via a gap; wherein at least one cooling medium path extending in a direction of a central axis of the stator core is provided in the stator; and the cooling medium path is inclined relative to the central axis of the stator core.

Abstract: A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing at least hydrogen and a dehydrogenation fuel recovery tank for storing dehydrogenation fuel produced when organic fuel is dehydrogenated in the reformer. The theft prevention system is provided with a means for mixing an odorant as a component with a pungent odor other than the fuel components or a agent for coagulating the fuel components. The odorant or the coagulating agent is mixed when fuel is manufactured, distributed, utilized, recovered, or stored or fuel is about to be stolen.

Abstract: The electric rotary machine comprises a stator and a rotor. The rotor is incorporated rotatablly inside the stator keeping an air gap between the rotor and the stator, the rotor being divided into at least two of a first rotor and a second rotor in a direction of a rotating shaft thereof, and each of the first and second rotors having field magnets with different polarities disposed alternatively in a rotating direction of the rotor. A magnetic flux control mechanism controls effective magnetic fluxes by varying positions of the field magnets of the second rotor relatively with respect to that of the first rotor in at least the rotating direction of the rotor. The stator core is provided with a magnetoresistive layer that is interposed in the path of the effective magnetic fluxes in the stator core.

Abstract: The object of the present invention provides an evaluation system for evaluating accurately emission amount of environmental influence substance of fuel in a fuel supply facility for supplying stored fuel to a consumer. An evaluation system evaluates the emission amount of environmental influence substance of fuel in which the environmental properties (greenhouse gas emissions) accumulated in the process of drilling a first energy, transporting and storing, producing fuel, and supplying the fuel are taken into account. The evaluation system enables to present the environmental properties of the sold fuel to the fuel consumer and allows the fuel consumer to select, thereby promoting the reduction of emission amount of the greenhouse gas of the fuel supplier and the fuel consumer.

Abstract: A rotary electric machine which is smoothly operated with high efficiency by adequately controlling the cooling gas flow as needed to keep the highest temperature inside the rotary electric machine below a predetermined limit. The rotary electric machine includes a stator with armature windings wound around a stator core, a rotor placed inside the stator in a rotatable manner, and a cooling device for controlling cooling gas flow. It further includes a device for measuring an ambient temperature and a device for detecting armature voltage and/or armature current and/or field current. The temperature inside the rotary electric machine is calculated from the measured ambient temperature, detection value by the detecting device and an directive value of cooling gas flow. And a calculated suitable value of cooling gas flow is determined according to the calculated temperature inside the rotary electric machine.

Abstract: A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing at least hydrogen and a dehydrogenation fuel recovery tank for storing dehydrogenation fuel produced when organic fuel is dehydrogenated in the reformer. The theft prevention system is provided with a means for mixing an odorant as a component with a pungent odor other than the fuel components or a agent for coagulating the fuel components. The odorant or the coagulating agent is mixed when fuel is manufactured, distributed, utilized, recovered, or stored or fuel is about to be stolen.

Abstract: A rotary electric machine which is smoothly operated with high efficiency by adequately controlling the cooling gas flow as needed to keep the highest temperature inside the rotary electric machine below a predetermined limit. The rotary electric machine includes a stator with armature windings wound around a stator core, a rotor placed inside the stator in a rotatable manner, and a cooling device for controlling cooling gas flow. It further includes a device for measuring an ambient temperature and a device for detecting armature voltage and/or armature current and/or field current. The temperature inside the rotary electric machine is calculated from the measured ambient temperature, detection value by the detecting device and an directive value of cooling gas flow. And a calculated suitable value of cooling gas flow is determined according to the calculated temperature inside the rotary electric machine.

Abstract: A fuel supply and collection system comprising: a delivery vehicle having a supply-fuel tank, a collection-fuel tank, a remaining supply-fuel quantity sensor for detecting a remaining fuel quantity of the supply-fuel tank, a remaining collection-fuel quantity sensor for detecting a remaining fuel quantity of the collection-fuel tank, and a display unit; a plurality of fuel stations having a supply-fuel tank, a collection-fuel tank, a remaining supply-fuel quantity sensor for detecting a remaining fuel quantity of the supply-fuel tank, and a remaining collection-fuel quantity sensor for detecting a remaining fuel quantity of the collection-fuel tank; and a central information processing center having an information processing apparatus; wherein, the remaining supply-fuel and collection-fuel quantities of the delivery vehicle and the remaining supply-fuel and collection-fuel quantities of each fuel station are estimated in the information processing apparatus from remaining supply-fuel quantity data and rema

Abstract: An the electrode for electrolysis of an electrolytic solution comprises an electrode core serving as a base and a plurality of prominences formed on a surface of the electrode core, the prominences have each a leaf-shaped form and rises from the electrode core surface.

Abstract: The invention provides a fuel environmental evaluation system for evaluating a fuel environment characteristic in an energy distribution process comprising a means for inputting an amount of raw material supplied to equipment for each process of energy distribution, an amount of product produced from each equipment for each process, and a type and an amount of utility supplied to the equipment for each process when producing the product; a storage means for storing input data; a storage means for storing a basic unit for an amount of environmentally affecting matter emission per unit amount of an environmental emission matter in the raw material, utility and product; an environmental emission calculation section for calculating an amount of environmentally affecting matter emission from data of amounts of the raw material, utility and product, and the basic unit for the amount of environmentally affecting matter emission; and a means for storing a calculation result from the environmental emission calculation

Abstract: The present invention provides an energy supply system evaluation device evaluating a lifecycle of energy conversion processes to be implemented in a pre-determined order by an energy supply system, an energy supply system evaluation method and an energy supply system evaluation program. According to the present invention, it can reduce a work load on an evaluator when the evaluator performs many-sided evaluations on energy supply systems by using a variety of analytical methods, and enable the evaluator to gain actualized output of the evaluation results desired thereof.