Abstract: A method and a plant for filling a hydraulic circuit with a control fluid, in which a vacuum is generated within the hydraulic circuit, the control fluid is supplied to a degasification chamber, a vacuum is generated in the degasification chamber containing the control fluid and the control fluid is supplied under pressure from the degasification chamber to the hydraulic circuit while continuing to maintain the vacuum in the hydraulic circuit.

Abstract: A brake controller is provided that includes a braking force application mechanism that presses a friction member against a braked member so as to apply a braking force to a wheel of a vehicle; and a control unit. The control unit calculates an index, which indicates a difference between an expected braking effectiveness and an actual braking effectiveness, corrects a target value, which is set to control a pressing force of the friction member, in accordance with the index to reduce a variation in a braking effectiveness of the vehicle. The control unit further sets a variation range in accordance with a factor that causes the difference. The variation range limits a variation in a correction amount to correct the target value.

Abstract: In an ABS control, a vehicle brake control device detects a sudden change road in which a friction coefficient changes suddenly from a high value to a lower value and controls, based on the detection of the sudden change road, the currents to be supplied to a first and a second electrical motor in a first manner or a second manner, wherein in the first manner the currents are controlled so that the first and second electrical motors would eventually stop rotating if the motor control portion kept controlling the currents in the first manner for a sufficiently long time, and in the second manner the currents are controlled so that the first and second electrical motors would eventually start rotating in a reverse direction if the motor controlling portion kept controlling the currents in the second manner for a sufficiently long time.

Abstract: An object of the present invention is to provide a DC-DC converter control circuit capable of maintaining, even when any one of a plural number of DC-DC converters enters the abnormal state due to the occurrence of a failure, a voltage relationship between the output voltage of the faulty DC-DC converter and the output voltage of another DC-DC converter. An error amplifier ERA1G has an inverting input, a first non-inverting input, and a second non-inverting input. A first divided voltage VV1 provided from a first voltage divider circuit VD1 is fed into the inverting input; a reference voltage e1G from ground is fed into the first non-inverting input; and a second divided voltage VV2 provided from a second voltage divider circuit VD2 is fed into the second non-inverting input. The error amplifier ERA1G amplifies the error between the lower of the two voltage inputs fed into the two non-inverting inputs (i.e.

Abstract: An uninterruptible power supply and its load device are connected by a network, and the load device to which power is fed by the uninterruptible device properly executes shutdown processing. Communication means 49 of uninterruptible power supplies 2 and 3 communicate with a load device 4 to which they themselves feed power, via a network 5. UPS storage means 47 stores a waiting time until the load device 4 starts shutdown after it is notified of detection of power abnormality of an AC power supply 6. Notification means 48 causes the communication means 49 to provide notification of a remaining time until start of shutdown, in a time period until a time period corresponding to the waiting time (67) stored in the UPS storage means 47 elapses after power abnormality of the AC power source 6 is detected.

Abstract: An excitation power converter of a doubly-fed generator is protected from excess current to be caused by ground fault or system disturbance and operation continuity of the power converter is ensured. In a power converter system, in order not to flow excess current generated in secondary windings of the doubly-fed generator into the power converter, a rectifier is connected in parallel to the power converter via a reactor, a DC link of the rectifier is connected to a DC link of the power converter, excess current flowing from the secondary windings is separately flowed at a reactor impedance ratio to reduce an amount of current flowing into the power converter, and a semiconductor switching element of an excess current generation arm of the power converter is set to an on-state.

Abstract: An uninterruptible power supply (UPS) system includes at least three UPSs configured to be connected in parallel to a common load. The system further includes control circuitry configured to support at least two redundant groups among the UPSs and to support at least two redundant subgroups among at least one of the redundant groups of UPSs. In this manner, a nested redundancy may be provided.

Abstract: A moving magnet actuator (MMA) includes a magnetically conductive end-ring that is spaced from a magnet pole piece. The end-ring is constructed and spaced to provide a desired counter or anti-cogging force when the MMA is in a powered state. The MMA is also constructed such that a central portion of its armature stroke is axially displaced from a radial centerline of the magnetically conductive conduit enclosing the MMA components.

Abstract: An object of the present invention is to provide a motor capable of enhancing the balance correction effect and capable of keeping the balance correction effect for a long term. In a rotary unit, an upper portion in its axial direction of a hub cylindrical portion of a rotor hub, and an outer peripheral side of a radial extension are cut, thereby correcting the rotational balance of the rotary unit. Further, a circumferential wall is provided on the rotor hub, and a notch is provided in a portion of an outer peripheral edge of a mounting plate. By virtue of such configuration, after the motor is assembled, or after a color wheel is mounted on the motor, a first balance correcting member and a second balance correcting member are respectively fixed to lower surfaces of the circumferential wall and of the rotor magnet in the axial direction, thereby correcting the rotational balance.

Abstract: The aim of the invention is to provide a fluid-cooled electric machine in a simple manner. To achieve this, a housing (1) is configured in two parts, in such a way that each housing part (2, 3) comprises a bearing bracket (4, 5) and said housing parts are designed (2, 3) to form cooling channels once assembled.

Abstract: A compact, high power, power conversion apparatus including a rotor and a stator. The rotor includes a cylindrical casing, and a predetermined number of permanent magnets disposed on the casing, and is adapted for rotation about the axis of the casing. The stator includes a core and a plurality of sets of conductive windings, each set including a predetermined number of individual conductive windings and associated with an electrical phase. A respective collecting conductor is associated with each set of conductive windings, with each individual conductive winding of the set being electrically connected to the associated collecting conductor. The respective collecting conductors are disposed in a coolant flow path a coolant flow path directing coolant into contact with the stator windings, electrically isolated from each other and spaced apart from each other and from the windings. Collecting conductors in the form of continuous rings and in the form of a plurality of arcs are disclosed.

Abstract: A system comprising a brushless DC motor is disclosed. The system may include a rotor assembly and a stator assembly. The rotor assembly may include: a first permanent magnet having a first ring shape and generating a first magnetic field; a rotor shaft coupled to the first permanent magnet; and a first magnetic ring coupled to the first permanent magnet. The stator assembly is rotatably coupled to the rotor assembly and may include: a magnetic, ring-shaped or partially ring-shaped winding base; coils winding upon the winding base; and a plurality of magnetic protrusions extending from the winding base toward the first magnet ring. Specifically, each of the magnetic protrusions may be spaced apart from other magnetic protrusions, and a section of the first permanent magnet, a section of the first magnetic ring, a section of the winding base, and one of the magnetic protrusions may provide a pseudo path for magnetic field lines.

Abstract: The brushless motor includes: a housing; a stator which is stored and fixed in the housing; a rotor which is rotatably arranged inside the stator; a bracket which is fixed to the housing; a rotation detector which is fixed to the bracket and the housing and detects a rotation position of the rotor; and an engagement device which restrains movement of the bracket along a circumferential direction with respect to the housing.

Abstract: A non-contact magnetic motion converter or magnetic cam comprises a permanent magnet rotational element or assembly having a pre-selected magnetic field shape, profile, and radial position in relation to the rotational axis and provides a continuous, operatively radial magnetic work-space comprising at least one continuous and non-sequential magnetic field area in accordance with the pre-selected field profile, radial position, and work-space. The operative radial work-space and permanent magnet rotational element or assembly is supported for rotational motion about an axis perpendicular to the radial work-space and provides a leveraging displacement aspect in accordance with the radial magnetic work-space profile or position relative to the rotational axis.

Abstract: A heat-dissipating fan includes a casing, a stator, and an impeller. The casing includes a base supported by a plurality of ribs. The base includes an axial tube for receiving a bearing through which a shaft extends. Vanes are provided on an outer circumferential wall of the impeller. An end of the shaft is fixed to an axial seat at a center of the impeller. A magnetic member is mounted to the other end of the shaft. The magnetic member and the impeller rotate synchronously under magnetic induction. When the heat-dissipating fan is mounted on top of a heat-dissipating device, a propeller of the heat-dissipating device is driven to turn synchronously under magnetic attraction. When air currents are driven by the vanes to flow downward, great noise resulting from tangential wind effect is avoided, as the ribs are not in the air inlet area.

Abstract: An electric motor and modular system of electric motors includes at least a stator, rotor, and a housing, the modular system including several variants of electric motors, e.g., within one size, the housing having a mechanical interface that is arranged for connection to a bearing support, the bearing support including at least a bearing seat for the B-side bearing of the rotor shaft, at least two different bearing supports being alternatively connectible to the housing, a first bearing support including an additional interface for connection to a bottom part of a terminal box, or alternatively to a bottom part for power electronics, and the first bearing support forming a housing for a brake and/or a fan, a second bearing support being constructed in one piece with a bottom part of a terminal box.

Abstract: Disclosed herein is an electronic package for an electrical machine including a slip ring end frame; a plurality of negative diodes dispersed in an angular fashion in the SRE frame acting as a negative heat sink; a plurality of positive diodes mounted on a separate electrically conductive plate located above a location of the plurality of negative diodes; a non-conductive separator fitted over a series of bosses, configured to electrically insulate; a terminal assembly configured to make appropriate electrical connections between the positive and negative diodes, stator phase leads, and a regulator, which is operably fastened to the SRE frame at a plurality of locations, the regulator electrically connects to the positive heat sink, a stator phase terminal extending from the terminal assembly, SRE frame, and a brush holder; wherein the regulator is perpendicular to the SRE frame.

Abstract: The invention proposes an electric motor having a rotor, a rotor and a process for manufacturing a rotor for an electric motor, in which the manufacturing complexity is considerably reduced in comparison with the prior art. This object is achieved by virtue of the fact that, in the rotor, a plastics connection (11, 12) is provided between the return plate (2) and the rotor shaft (1). This plastics connection (11, 12) between the return plate (2) and the rotor shaft (1) is produced in accordance with the manufacturing process according to the invention by injection-molding.

Abstract: A permanent magnet rotating electric machine uses no skewing under a predetermined current and voltage condition to prevent torque from decreasing and to decrease pulsation torque to make the machine less vibrating and less noisy. The permanent magnet rotating electric machine includes a stator with multi-phase stator windings and a rotor with a plurality of permanent magnets internally embedded in a rotor core. The core shape of the rotor is uniform in the depth (longitudinal) direction with no skewing in the arrangement of the permanent magnets. The permanent magnets are symmetrical with respect to the rotation direction, but irregular with respect to the depth direction, for each pole. A magnetic flux generated from the between-pole permanent magnets almost equals a magnetic flux generated from the pole-center permanent magnet.

Abstract: In some embodiments, an electromagnetic motor/generator may include a frame, an axle, first and second magnetic sections coupled to the axle, a center magnet section, and a solenoid coupled to the frame and the center magnet section, the solenoid adapted to move the center magnetic section to cause movement of the first and second magnetic sections, and thereby cause rotation of the axle.

Abstract: The electric rotating machine includes a fixed stator fixed to the inner circumferential side of a housing, a moving stator rotatably supported on the inner circumferential side of the housing, a rotor disposed concentrically on the inner circumferential side of the fixed stator and the moving stator, and a moving stator drive formed of a gear and a motor for rotating the moving stator by a predetermined angle. The moving stator drive is detachable with respect to the housing. Coil leader lines are stored in an internal part of the housing so that the moving stator is capable of rotating by a predetermined. angle.

Abstract: A squirrel-cage rotor (1) includes squirrel-cage rotor conductors (3) and a carrier (5) for the squirrel-cage rotor conductors (3). The carrier (5) is provided with axial slots (9) in which the squirrel-cage rotor conductors (3) are accommodated. An axial slot (9) includes at least one closed slot portion (11) and an open slot portion (13), with the open slot portion (13) located between the closed slot portion (11) and a cage ring (15). In a method for producing a squirrel-cage rotor (1) having a carrier (5) for squirrel-cage rotor conductors (3), with the carrier (5) having closed slots (9), the squirrel-cage rotor conductors (3) are cast into the slots or are inserted therein as bars, whereupon carrier material is removed in the area of the end surfaces (29) of the carrier (5) in such a way that an open slot portion (13) is formed.

Abstract: It is an object to obtain a highly efficient and low-cost single-phase motor and a hermetic compressor employing the motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. According to the present invention, in a single-phase motor having a stator including a stator iron core formed by laminating a plurality of electromagnetic steel sheets and provided with a slot and single-phase two-pole distributed windings composed of a main winding and an auxiliary winding contained in the slot, and a rotor placed through a gap on an inner circumference of the stator, at least five notches each having a roughly straight lined shape are provided on an outer circumference of the stator iron core, so that a quadrangle is formed by straight lines including four notches out of the at least five notches.

Abstract: An electric motor includes an annular housing and an annular stator core having the inner periphery the shape of which differs from a perfect circle. The stator core is supported by the housing in such a manner that the outer periphery of the stator core and the inner periphery of the housing are partially in contact with each other. The inner periphery of the stator core is deformed to become close to the shape of the perfect circle when the stator core is securely fitted in the housing by shrink fitting.

Abstract: An axial gap between an annular projection of a rotor hub of a rotary unit and a sliding seal is set to be smaller than an axial gap between an axially upper face of a shaft and a cover of the rotor hub and an axially gap between an axially lower end face of a sleeve and an axially upper face of a radially-extending part of a bush. Thus, only the annular projection and the sliding seal come into contact with each other, even if the rotary unit moves downward in the axial direction.

Abstract: A brush holder assembly for an electrical motor includes a brush box including a main body and a cover portion, the main body with a cavity and including a set of first arms extending in opposition from the main body. The cover portion includes a set of second arms extending in opposition from the cover portion, and a set of projections extending in opposition to one another from the cover portion. Each of the set of first arms and a respective one of the set of second arms define a channel therebetween sized to receive a portion of a sleeve of the electric motor. The assembly also includes a cover that is coupled to the cover portion of the brush box, a brush located in the cavity of the brush box, and a spring positioned against the brush to force the brush towards a commutator of the electric motor.

Abstract: An additional board having an electrical device such as an EMI suppressor is attached to the underside of a brush card with the electrical device coupled to the input power to the brush card. The additional board has a plurality of conductive regions, and in some embodiments one of the conductive regions makes contact with the metallic support of the brush card. The input power wires can be crimped onto metallic terminals that are riveted to the brush card in a manner to rivet the additional card to the brush card and to conduct the input power to the additional card. One of the metallic terminals can be a metallic strip jumper that is at least partly under the brush card to connect to a device mounted to the top of the brush card that is separated from the power input wires by a brush holder.

Abstract: A fuel pump includes a pump device for pumping fuel. The fuel pump further includes a motor device that has a commutator and an armature including a shaft. The commutator commutating electricity supplied to the armature for rotating the armature to drive the pump device. The fuel pump further includes a brush supplying electricity to the armature by making contact with the commutator. The fuel pump further includes a bearing member supporting the shaft. The fuel pump further includes a holder including a partition wall for supporting the bearing member. The partition wall electrically insulates the bearing member from the brush. The bearing member has a first bearing end surface on a side of the commutator. The partition wall has a wall end surface on a side of the commutator. The first bearing end surface is on an opposite side of the commutator with respect to the wall end surface.

Abstract: In a stator core support structure in a conventional rotating electric machine, it has been difficult to set the circumferential and radial stiffnesses with which elastic bars support a stator core, to appropriate values in view of a relationship between transmission of torque and vibration prevention. In order to solve the above problem, sectional shape of elastic support bars is formed as rectangular, elliptic, rhombic or the like, and accordingly, the ratio between circumferential and radial stiffness of the elastic support bars can be changed.

Abstract: A brushless electric motor includes a housing with a pair of disc-shaped end plates fixed relative to the housing in a spaced, generally parallel relationship to each other. A pair of bearings are respectively positioned in the end discs. A motor shaft is rotatably journalled in the bearings for rotation about its axis. A stator assembly is supported by the housing intermediate the end plates and through which the motor shaft passes. The stator assembly includes a plurality of individual wire-wound coils in a toroidal array around the axis of the shaft. The stator assembly has recesses in opposite faces thereof. A pair of disc-shaped rotor assemblies are respectively disposed within the recesses in the opposite faces of the stator assembly inside the end plates.

Abstract: An elastic boundary wave device includes a first medium with piezoelectricity, an electrode exciting an elastic wave and provided on the first medium, a second medium made of a different material from the first medium and provided on the first medium to cover the electrode, and a sound absorbing portion provided on the second medium.

Abstract: A device and method for the detection of the interaction between two or more objects is disclosed. The device utilizes electrical impedance spectra measured from a piezoelectric element attached to one such object. Comparison of such spectra along a range of traverse allows precise estimates of distance to be made. One useful application is the topographical mapping of a surface.

Abstract: A polymer actuator comprising a conductive powder compact, an ion donor, a work electrode and a counter electrode, contracting or extending by a voltage applied between the work electrode and the counter electrode, wherein the powder compact comprises the conductive powder containing a conductive polymer and a conductive material other than the conductive powder.

Abstract: A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.

Abstract: A network cabinet is provided comprising at least one vertical frame rail and a cable management unit. The vertical frame rail comprises first and second opposing sidewalls, each of which define a plurality of apertures positioned along a length of the vertical frame rail. The cable management unit comprises a base, a plurality of fingers extending from the base, and at least one projection extending from the base. The projection is constructed of a size and shape such that the projection engages any one of the apertures of the first sidewall.

Abstract: A network cabinet is provided comprising a door comprising first and second opposing lateral sides. A hinge lever is rotatably connected to the door and a retractable hinge pin is connected to the hinge lever and is positioned closer to the first lateral side of the door than the second lateral side. A lever stop is also connected to the door and is associated with the hinge lever. The lever stop prevents retraction of the hinge pin from an extended position with the second lateral side of the door in an open position.

Abstract: A modular storage system includes a first cabinet and a second cabinet. Each of the first and the second cabinets defines a cabinet space having a substantially planar right face and a substantially planar left face, a substantially planar top face and a substantially planar bottom face when the cabinet is in a deployed position. Each of the cabinets includes a front right flange, a front left flange, a top member, a bottom member, a rear frame and a right foldable wall attaching the rear frame to the right flange, and a left foldable wall attaching the rear frame to the left flange. The right foldable wall includes a right attachment point and the left foldable wall includes a left attachment point configured to mate with the right attachment point of the first cabinet and facilitate fixed attachment to the left attachment point of the second cabinet in side-by-side relationship.

Abstract: An apparatus for mounting electronic equipment is provided having a base frame and an equipment rail mounted to the base frame by a threaded member, which provides an electrical bond between the base frame and the equipment rail.

Abstract: An exemplary computer enclosure includes a chassis, a latch member, and a cover plate. The chassis includes a rear panel, and an opening. The cover plate covers the opening and depends a flange with a pair of holes defined therein. The rear panel defines a pair of slots therein. The latch member is pivotably attached to the rear panel and includes a pair of spaced resilient arms. A pair of grooves and a pair of hooks are formed at opposite ends of the resilient arms. The grooves of the latch member engage with the rear panel adjacent the slots and the hooks movably engage in the through holes of the flange of the cover plate when the resilient arms are deformed.

Abstract: A cabinet for supporting items on its top and removably supporting other items underneath the top. The cabinet has an open-front base assembly having two generally vertical side panels and defining an interior volume between the side panels, and a top assembly coupled to and slidable relative to the base assembly. The top assembly has a top shelf member and a top shelf member support structure coupled to the top shelf member to support the top shelf member. The top assembly is adapted to be moved from a stowed position in which the top shelf member is over the two side panels of the base assembly, to an open position in which the top shelf member is at least partially removed from its position over the two side panels of the base assembly, to allow top access into the interior volume of the base assembly. The cabinet also has a drawer assembly slidably received within the base assembly and including a lower shelf.

Abstract: A network cabinet is provided comprising first and second doors. The first door is positioned on a side of the cabinet and comprises first and second opposing lateral sides that each comprise a retractable hinge that permits the first door to rotate about either of the hinges. The second door is positioned on another side of the cabinet and comprises opposing lateral sides wherein at least one of the lateral sides comprises a hinge that permits the door to rotate about the hinge.

Abstract: The invention relates to a fluorescent lamp (1) adapted for cold environments, which comprises an elongated main tube (11), fixing devices (12) at each end of the fluorescent lamp (1) for fixing the fluorescent lamp (1) in a light fitting (27), two electrodes (15) placed inside the main tube (11), a heat-insulating outer tube (20) that surrounds the main tube (11) and creates an airspace (22) between the main tube (11) and the outer tube (20). Each fixing device (12) comprises an end cap (41) with a radial part (41b), that delimits an outer end plane of the fluorescent lamp (1), and with an axial peripheral part (41a), that is connected to an end of the outer tube (20).

Abstract: A spark plug and method of manufacturing the same, the spark plug including a metal housing holding an insulator therein, the metal housing having a threaded portion formed on an outer circumferential surface of a frontward portion of the metal housing in a crimp portion formed at a rear end of the metal housing and crimping the insulator in the axial hole of the metal housing. Furthermore, the rear-end portion of the threaded portion has a hardness that is higher than that of the crimp portion.

Abstract: The present invention relates to a vacuum container having a first substrate and a second substrate arranged so as to face each other as components including, within the low-pressure container, a spacer disposed at the first substrate or the second substrate so as to maintain an interval between the first substrate and the second substrate. The spacer is fixed within the vacuum container via a supporting member provided at the spacer without contacting the substrate where the spacer is disposed. The invention also relates to a method for manufacturing vacuum container, an image display apparatus using the vacuum container, and a method for manufacturing the image display apparatus.

Abstract: Colour cathode ray tube comprising a colour selection mask tensioned in at least one direction within a metal frame, the said frame comprising, on at least two opposite sides of the mask, vibration damping means of the type comprising a cavity enclosing a mass free to move in the said cavity.

Abstract: An electron beam gun with an arched shaped beam former as an integral part of a massive cathode block which conducts heat away from the beam former and with a filament mounted to the cathode block for improved alignment.

Abstract: A phosphor, comprising a manganese activated zinc silicate phosphor, is comprised of particles having a major-to-minor axis ratio of 1.0 to 1.4. A method for producing the phosphor, comprising burning a phosphor material containing elements constituting a host material of the phosphor and an activator or compounds containing the elements by heating in a heating furnace while flowing or rotating them to manganese activated zinc silicate phosphor particles having a major-to-minor axis ratio of 1.0 to 1.4. Another method for producing the phosphor, comprising burning phosphor material by heating in a heating furnace while flowing or rotating them to obtain a manganese activated zinc silicate phosphor having an afterglow time of less than 9 ms. Thus, a compact phosphor layer with high packing density can be formed, and there can be obtained a phosphor capable of high-luminance green light emission upon excitation by vacuum ultraviolet rays or low-voltage electron beams.

Abstract: To improve luminescence life, linearity of emission luminescence, and colority of an electron beam excitation display of thin flat type. The electron beam excitation display of thin flat type has a rear plate provided with a plurality of first electrodes in parallel with one another, a plurality of second electrodes in parallel with one another and orthogonal to the first electrodes, and electron emitters placed at points of intersection or near the points of intersection of the first electrodes and the second electrodes and a faceplate formed with a phosphor layer. By using a blue-emitting phosphor formed by mixing a blue-emitting phosphor ZnS:Ag and a blue-emitting phosphor CaMgSi2O6:Eu for the phosphor layer, the electron beam excitation display of thin flat type improved in luminescence life, linearity of emission luminescence, and colority that have been left unsolved is provided.

Abstract: A supporting member for a liquid crystal display device comprises a base substrate, a lamp clip protruded from the base substrate in a first direction to hold a lamp that generates light, a supporting part protruded from the base substrate in the first direction to support a diffusion member that diffuses the light generated from the lamp, and a fixing clip protruded from the base substrate in a second direction substantially opposite to the first direction, wherein the fixing clip combines with a receiving container.

Abstract: This invention provides a method for maintaining vacuum of a panel module and a structure of the panel module. A sealing material is suspended inside the panel module right above an exhaust opening of the panel module connecting with an exhaust tube. After exhausting the inside of the panel module, the sealing material is heated and molten so as to drop down to seal the exhaust tube. As such, the panel module becomes vacuum-tight. During a subsequent annealing process to heat the exhaust tube to its melting temperature, ambient air is prohibited from flowing into the panel module.