Abstract: A rotating electrical machine includes a rotor, in which a plurality of magnetic poles are provided in circumferential direction, and a stator, within which the rotor is disposed. In the stator, two stator magnetic poles are formed by winding coils of one phase and by a stator core of the stator within 360° of electrical angle defined by the magnetic poles of the rotor. The coils that form respective stator magnetic poles have angular widths in circumferential direction of less than 180° of electrical angle, the coils that form the respective two stator magnetic poles are provided so as not to mutually overlap and are wound so that adjacent ones of the stator magnetic poles have mutually opposite polarities, and, in the stator, each winding of each coil consists of an external bridge wire, a turn portion, an internal bridge wire, and a turn portion, in that order.

Abstract: An object of the present invention is to provide a small, high-power rotating electrical machine by suitably forming a distributed winding coil such that two stator magnetic poles each formed of in-phase coil turns are arranged within an electric angle of 360 degrees formed by magnetic poles of the rotor. The present invention provides a method for manufacturing a stator, the method including a first step of placing a distributed winding coil 207 composed of a wire wound around a reel 210, as a whole, inside a stator core 202, and a second step of moving an insertion blade 213 so as to spread the distributed winding coil 207 in the radial direction of the stator core 202, thus inserting the distributed winding coil 207 into a stator core slot 206.

Abstract: A rotating electrical machine includes: a rotor to which a plurality of magnetic poles are provided along its circumferential direction; a stator core laminating a plurality of core plates, and having a cylinder portion with teeth extending radially outwards; and a stator coil received in a slot between the teeth; wherein each of the teeth includes: a tooth body portion extending radially outwards from the cylinder portion; and a pair of projecting end portions, provided at an end of the tooth body portion, that are in radially extended state before receiving the stator coil in the slot, and that are in curved state in which they are bent in circumferential direction after receiving the stator coil in the slot; and wherein, in the curved state, a vacant space is defined at the slot side of a curved portion that communicates the base portion and the projecting end portion.

Abstract: A rotating machinery is to be provided wherein coils can be wound round a stator core in a minimized state of connected parts. In a rotating machinery comprising a stator formed annularly and a rotor disposed rotatably on the inner periphery side of the stator, the stator comprises a stator core, the stator core having in the circumferential direction a plurality of slots each having a coil inserting portion on the inner periphery side, and coils wound by lap winding within the slots, at least the lap-wound winding portion of the coils in each slot being constituted by a continuous line and wound at a coil end so as to straddle the inner periphery side and the outer periphery side of the slot. According to this construction there is no increase in the number of connected parts even if the number of turns in the winding portion is increased.

Abstract: A concentrated winding coil includes a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin including an inner flange, an outer flange and a bobbin body on which the wire is wound, wherein: each of the coil layers includes a turn shift portion where the wire is shifted from an n-th turn to an (n+1)-th turn; the turn shift portion is located only on a side of a coil end section of the coil; and the bobbin body has no guide grooves. A method of manufacturing the concentrated winding coil includes steps of: winding the wire on the bobbin; and pressing the wire by a wire guiding/holding member toward the inner flange or toward the outer flange.

Abstract: A concentrated winding coil includes a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin including an inner flange, an outer flange and a bobbin body on which the wire is wound, wherein: each of the coil layers includes a turn shift portion where the wire is shifted from an n-th turn to an (n+1)-th turn; the turn shift portion is located only on a side of a coil end section of the coil; and the bobbin body has no guide grooves. A method of manufacturing the concentrated winding coil includes steps of: winding the wire on the bobbin; and pressing the wire by a wire guiding/holding member toward the inner flange or toward the outer flange.

Abstract: A rotating electrical machine includes: a rotor to which a plurality of magnetic poles are provided along its circumferential direction; a stator core laminating a plurality of core plates, and having a cylinder portion with teeth extending radially outwards; and a stator coil received in a slot between the teeth; wherein each of the teeth includes: a tooth body portion extending radially outwards from the cylinder portion; and a pair of projecting end portions, provided at an end of the tooth body portion, that are in radially extended state before receiving the stator coil in the slot, and that are in curved state in which they are bent in circumferential direction after receiving the stator coil in the slot; and wherein, in the curved state, a vacant space is defined at the slot side of a curved portion that communicates the base portion and the projecting end portion.

Abstract: The stator includes a plurality of concentrated winding coils disposed coupled into an annular form through yokes, and a plurality of conductors that couple the coil ends of the concentrated winding coils to each other in a multi-phase connection fashion. Conductors for a U-phase, a V-phase, a W-phase, and neutral points P are each formed of a plurality of holes for inserting therethrough coil ends and are substantially circular with different diameters, and are disposed on the same plane. A connection plate provided with a wall is inserted between the conductors and the concentrated winding coils. A rotating machine includes the above-mentioned stator and a rotor that is rotatable within the stator.

Abstract: A rotating electrical machine including a rotor in which a plurality of magnetic poles are provided in circumferential direction, and a stator within the rotor is disposed with a gap against the rotor, wherein: coil groups are received in a slot between two teeth of the stator core; each of the teeth has a tooth main body and two tooth tip edge portions, and the tooth main body and the tooth tip edge portions are connected by connecting portions, with slits being formed in the coil sides of the connecting portions; and the slits extend from opening portions towards the centers of the tooth tip edge portions in circumferential direction, and are formed so that their tooth main body sides and their tip edge portion sides, that together define the opening portions of the slits, contact one another; with the gaps between adjacent ones of the tooth tip edge portions in circumferential direction being smaller than a width of the slot.

Abstract: A rotating electric machine comprises a stator in which a stator winding is inserted in a plurality of slots extending in an axial direction in an inner circumference of a stator core, and a rotor that is rotatable in the stator. A plurality of the stator windings are constituted with continuously wound coils in which rectangular conductors are connected by cross-over conductors spanning over the plurality of slots, and end positions of the cross-over conductors vary in the circumferential direction of the stator.

Abstract: A rotating electrical machine, includes; a rotor in which a plurality of magnetic poles are provided in circumferential direction, and a stator within the rotor is disposed with a gap against the rotor, wherein; two stator magnetic poles are formed by winding coils in phase and by the stator core within 360° of electrical angle defined by the magnetic poles of the rotor; the coil turns that form respective stator magnetic poles have angular widths in circumferential direction of less than 180° of electrical angle; the coil turns that form the respective two stator magnetic poles are provided so as not to mutually overlap and are wound so that adjacent ones of the stator magnetic poles have mutually opposite polarities, and; in the stator, each winding of each coil consists of an external bridge wire, a turn portion, an internal bridge wire, and a turn portion in that order.

Abstract: In a distribution winding stator using a coil for a rectangular conductor, a coil end is made smaller than before, and the reduction in the current density is aimed, so that a rotary electric machine of a small size and a high power output is obtained. A conductive wire of a rectangular shape in cross section is double-wound, and is allowed to be shifted by the whole width of the wire having double-wound the crowns of both ends, and is formed to crank shape so as to become a length within the range of the intervals of the adjacent slots, so that the conductive wire is formed by being inserted into the slot of the stator.

Abstract: An object of the present invention is to provide a small, high-power rotating electrical machine by suitably forming a distributed winding coil such that two stator magnetic poles each formed of in-phase coil turns are arranged within an electric angle of 360 degrees formed by magnetic poles of the rotor. The present invention provides a method for manufacturing a stator, the method including a first step of placing a distributed winding coil 207 composed of a wire wound around a reel 210, as a whole, inside a stator core 202, and a second step of moving an insertion blade 213 so as to spread the distributed winding coil 207 in the radial direction of the stator core 202, thus inserting the distributed winding coil 207 into a stator core slot 206.

Abstract: An object of the present invention is to provide a compact, high-power rotating electric machine by downsizing coil ends on a distributed-wound stator using rectangular wires in comparison with the conventional one or by enhancing coil heat radiation from the coil ends or slot insertion portions. A stator (110) comprises a stator core (112), and stator coils (114) inserted into stator slots (112S) formed between a plurality of stator teeth (112T) formed on the stator core, and wound around the stator teeth in the form of distributed winding. Each stator coil (114) includes a plurality of rectangular wires having insulating coating, and the plurality of rectangular wires are inserted into the one stator slot. The direction of arrangement of the plurality of rectangular wires in the stator slot is different from that of the plurality of rectangular wires at both coil ends outside the stator slot.

Abstract: In a liquid cooling system, comprising: a heat-receiving jacket for receiving heat from a heat-generation body therein; a heat-radiator for radiating the heat therefrom, which is received within the heat-receiving jacket; and a tank for accumulating refrigerant therein, which is connected with the heat-receiving jacket and the heat-radiator through flow passages, thereby enclosing a refrigerant within the heat-receiving jacket, the heat-radiator and the tank, including the flow passages provided therebetween, and further comprising: a liquid transfer means for generating a circulation flow of the refrigerant enclosed therein, wherein the tank is built up on one side surface of a substrate having superior heat-conductivity and heat-resistance, defined between a flexible film or sheet having superior heat-conductivity and heat-resistance, and the heat-radiator having a heat-radiation flow passage on the other side surface thereof, defined between the flexible film or sheet having superior heat-conductivity and

Abstract: The stator includes a plurality of concentrated winding coils disposed coupled into an annular form through yokes, and a plurality of conductors that couple the coil ends of the concentrated winding coils to each other in a multi-phase connection fashion. Conductors for a U-phase, a V-phase, a W-phase, and neutral points P are each formed of a plurality of holes for inserting therethrough coil ends and are substantially circular with different diameters, and are disposed on the same plane. A connection plate provided with a wall is inserted between the conductors and the concentrated winding coils. A rotating machine includes the above-mentioned stator and a rotor that is rotatable within the stator.

Abstract: In an electronic apparatus having a heat-generating element therein, a cooling jacket 100 for transmitting heat generated from the heat-generating element 200 into to a liquid coolant flowing therein, comprises: a cover 130 building up a heat transfer surface to be in contact with a surface of the heat-generating element; a passage 110 for the liquid coolant, which is formed neighboring with the heat transfer surface and wound round in a “S”-like manner within an inside of a main body 120 of the cooling jacket; and an inlet 111 and an outlet 112 attached at both ends of the flow passage of the liquid coolant, and further a dispersion member 150 is disposed in the flow passage, being built up by gathering a plural number of members, each of which has a “U”-like cross-section of an aspect ratio from 10 to 20, thereby diffusing the liquid coolant therein, so as to transfer the heat from the heat-generating element thereto with high efficiency, and thereby enabling to cool down the heat-generating element, fully,

Abstract: The invention provides a distributed winding stator using a rectangle conductor as coil, realizing a miniaturized coil end and reduced current density compared to the prior art stator, so as to obtain a miniaturized rotation electric machine with high power. The distributed winding stator is formed by wave winding a conductor source wire having a rectangular cross-section, wherein the wire is cranked so that parietal regions on both ends are displaced corresponding to the width of the source wire and that the length is within the range of intervals between adjacent slots, and inserting the wave winding coil into slots of the stator.

Abstract: A liquid crystal projector, a liquid crystal panel, and a liquid cooling apparatus, for obtaining a picture without disturbance due to a liquid coolant passing through a transparent surface of the liquid crystal panel, with achieving cooling effectively with an aid of a liquid cooling cycle, wherein lights from a light source 112 is divided into three (3) parallel light beams,

Abstract: A rotating machinery is to be provided wherein coils can be wound round a stator core in a minimized state of connected parts. In a rotating machinery comprising a stator formed annularly and a rotor disposed rotatably on the inner periphery side of the stator, the stator comprises a stator core, the stator core having in the circumferential direction a plurality of slots each having a coil inserting portion on the inner periphery side, and coils wound by lap winding within the slots, at least the lap-wound winding portion of the coils in each slot being constituted by a continuous line and wound at a coil end so as to straddle the inner periphery side and the outer periphery side of the slot. According to this construction there is no increase in the number of connected parts even if the number of turns in the winding portion is increased.