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19th week of 2014 patent applcation highlights part 19
Patent application numberTitlePublished
20140125162COOLING STRUCTURE FOR ROTATING ELECTRIC MACHINE - A cooling structure for a rotating electric machine includes a stator, a plurality of refrigerant supply ports, and a refrigerant supply passage. The stator includes a stator core, an insulating member, and a plurality of coils. Each of the plurality of coils includes a corner portion having an arc shape when viewed in a radial direction. The plurality of refrigerant supply ports are arranged at a distance from the plurality of coils in a rotational axis direction. Each of the plurality of refrigerant supply ports is arranged at a position opposite to the corner portion located at a vertically upper side, on both sides of an imaginary vertical plane.2014-05-08
20140125163MOTOR - A motor may include first housing installed with a stator and a rotor, and a second housing configured to form a refrigerant passage by being distanced from the first housing. When the second housing is coupled to the first housing, a first pipe is configured to introduce refrigerant into the refrigerant passage by communicating with the refrigerant passage, and a second pipe is configured to discharge the introduced refrigerant. A plurality of passage lugs are configured to be positioned at the refrigerant passage to flow the refrigerant in a zigzag manner.2014-05-08
20140125164COOLER AND MOTOR-INTEGRATED POWER CONVERSION APPARATUS - A surface of a plate (2014-05-08
20140125165COOLING STRUCTURE OF ROTARY ELECTRIC MACHINE - A cooling structure of a rotary electric machine (2014-05-08
20140125166ROTATING ELECTRICAL MACHINE - The disclosure discloses a rotating electrical machine including a stator and a rotor that are arranged facing each other via a magnetic air gap, an output shaft that is coupled to the rotor and is rotatably arranged by at least one bearing, and a fan that is coupled to the output shaft. The fan includes a disc portion configured to cover an end portion of the stator in an axial direction, and a plurality of blade portions that is provided on the stator side of the disc portion so as to protrude towards the stator.2014-05-08
20140125167WINDING CONSTRUCTION FOR HIGH EFFICIENCY MACHINE - A permanent magnet motor, generator or the like that is constructed with a concentrated winding and edge form wound stator coils. This achieves less eddy current losses in the windings as well as a much higher power density than conventional techniques.2014-05-08
20140125168ROTARY ELECTRIC MACHINE - A rotary electric machine including a brush used to supply a field current to a field winding of a rotor, a brush holder holding the brush, a power circuit portion connected to a heat sink having fins, and a case covering the power circuit portion and the brush holder. An air passage is provided between the brush holder and the fins of the heat sink, and an opening is provided to the case so as to cover component members of the brush holder in a shape conforming to an outer peripheral portion of the brush holder, from which cooling air is allowed to pass through the air passage.2014-05-08
20140125169Terminal housing for motor and motor employing the same - A terminal housing for a motor comprises a terminal connected to a coil of a stator via one portion thereof. A terminal housing main body includes an inserting hole formed therein and provides a chamber for receiving the other portion of the terminal. The terminal is inserted into the inserting hole, and a curved portion formed on a side of the chamber around the terminal inserting hole. The curved portion is curved to enable the terminal to be moved thereon.2014-05-08
20140125170VIBRATION-GENERATING SMALL-SIZED MOTOR AND PORTABLE ELECTRONIC EQUIPMENT THEREWITH - The present invention is a vibration-generating small-sized motor that comprises within an external housing case thereof a stator and a rotor, a commutation mechanism, a power supply terminal that connects electrically with an electrode or a power supply land of the electronic equipment, and a terminal-blade mount on which the power supply terminal is mounted, wherein the power supply terminal includes a pair of resilient terminal blades that are located on the terminal-blade mount provided at a face of the external housing case of the motor, facing each other and pressing together, and the electrode or the power supply land on the circuit board are clamped between the resilient terminal blades, whereby the vibration-generating small-sized motor can be electrically connected to the power supply of the electronic equipment. Accordingly, the power supply terminal of the vibrating motor mounted in the portable electronic equipment can be electrically connected to the electrode or the power supply land on the circuit board in the electronic equipment with high reliability and this connection can be maintained continually over a long period.2014-05-08
20140125171APPARATUS FOR KINETIC ENERGY STORAGE - An apparatus for kinetic energy storage includes an electrical machine operable at least in one of motor mode and generator mode, and at least one energy recovery system for an intermediate storage of a produced kinetic energy and which converts the kinetic energy into an electrical energy, with, the at least one energy recovery system having at least one flywheel body formed as a rotor, and a stator and with at least one of the rotor and the stator being formed as at least one vacuum pump stage.2014-05-08
20140125172LINEAR MOTOR - A linear motor includes a stator module, a rotor module and an extension rod. The stator module includes a first stator unit and a second stator unit. The first stator unit includes an upper end cap including an upper holder member and an upper bobbin integrally extended from the upper holder member. The second stator unit includes a bottom end cap and a second winding. The bottom end cap includes a bottom holder member and a bottom bobbin connected to the bottom holder member and abutted against the upper bobbin. The rotor module is rotatably mounted in the stator module. The extension rod is linearly movably mounted in the stator module. The upper bobbin is integrally extended from the upper holder member. The fabrication of the linear motor is simple, ensuring a high level of precision.2014-05-08
20140125173ROTATING ELECTRIC MACHINE - The rotating electric machine has a motor case, a stator, a winding wire, a wire extension, a rotor, a shaft, a first plate, a second plate, a control unit, and a tubular bush. The first plate seals a first end of the motor case and supports a first end of the shaft. The second plate seals a second end of the motor case, supports a second end of the shaft, and has a through-hole. The control unit is positioned on an opposite side of the second plate that is opposite to the motor case. The control unit is connected with the wire extension to control electricity supplied to the winding wire. The tubular bush is disposed inside the through-hole, or is disposed outside the through-hole between the winging wire and the second plate.2014-05-08
20140125174METHOD FOR PROVIDING SERVO MOTOR REAR BEARING SUPPORT, SPACE FOR INTERNAL ELECTRONIC PACKAGING AND IP SEALING BETWEEN MOTOR AND EXTERNALLY ATTACHED DEVICES - An electric motor assembly that eliminates external component-to-component assembly seams between coupled packaging hardware that would inhibit the creation and maintenance of, for example, IP 66 and IP 67 seals while utilizing inexpensive existing motor shaft rear bearing supports and also creating additional internal electronic packaging space. The disclosure provides an assembly with a continuous (e.g., no interruptions or seams) surface area to support IP sealing of the entire packaging-to-package interface between a primary motor frame (e.g., housing) and externally attached secondary/ancillary electronic hardware.2014-05-08
20140125175SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME - There are provided a spindle motor and a hard disk drive including the same, the spindle motor includes: a shaft fixedly installed on a base member and including an upper thrust member provided in an upper portion thereof and protruded outwardly in a radial direction, a sleeve supported by fluid dynamic pressure so as to be rotatable with respect to the shaft, a hub extended from the sleeve outwardly in the radial direction, and a sealing cap mounted on the hub and extended to an upper portion of the upper thrust member so as to cover a space between the upper thrust member and the hub formed in the axial direction.2014-05-08
20140125176Hybrid Bearing - A method and apparatus for radial and axial hybrid bearings using gas sector(s) and magnetic sector(s) to increase bearing load capacity and stiffness, reduce bearing size and bearing span, and reduce cost comprises a stator and a rotor. An illustrative embodiment of a stator for use with a hybrid bearing may include one or more bearing pads positioned in a gas sector, and the stator may also include one or more magnetic sectors. The hybrid bearings may provide for the elimination of much of the magnetic bearing structure and associated power electronics using a pressurized gas/air bearing to react the bearing steady load while reserving the magnetic bearing and its controls to react dynamic loads and stabilize the bearing. In addition, the magnetic bearing controls for a hybrid bearing may be used to monitor bearing operating condition and provide communications of these conditions to the outside world.2014-05-08
20140125177GENERATOR ATTACHMENT ASSEMBLY AND METHOD - An attachment assembly for attaching a generator to a motor vehicle engine is provided. The assembly may include at least one engine attachment boss secured to the engine. The attachment assembly may further include a plurality of generator housing legs integrally formed with a generator housing. The assembly may further include a support dowel fitted, at a first end, within the bore located on the inner opposing side of one of the plurality of generator housing legs. The support dowel may be inserted, at a second end, into the bore of the at least one engine attachment boss, in order to couple the generator to the engine during assembly. This combination allows placement and fixation of the generator to the engine by a single operator without the need for an assembly assist device. A method for securing a generator to a motor vehicle engine is also provided.2014-05-08
20140125178MAGNETIC ELECTRICAL GENERATOR - A magnetic electrical generator includes a rotational device that rotates a flywheel. The flywheel includes a plurality of magnetic elements that are arranged to alternate in polarity. The plurality of magnets is rotated in between a top and a bottom of at least one pole piece, which creates an alternating B field that is coupled to a pickup coil.2014-05-08
20140125179ROTOR FOR MAGNETIC MOTOR - Rotor formed by groups of materials (2014-05-08
20140125180ELECTRIC MOTOR - The invention relates to an electric motor having a rotatably mounted rotor magnet and a stator enclosing the rotor magnet, said stator comprising at least three coil windings and a winding carrier, wherein coil axes of the at least three coil windings are disposed radially to an axis of rotation of the rotor magnet in various radial directions. The coil windings of the electric motor are designed so that a gap that is parallel to the axis of rotation of the rotor magnet extends between at least two adjacent coil windings, in which at least one media line extending in the longitudinal direction is provided.2014-05-08
20140125181Magnetic Field-Modulated Transverse Flux Multiphase Permanent Magnet Motor - A magnetic field-modulated transverse flux multiphase permanent magnet motor consisting of a stator and a rotor. A number m of phase armature units are arranged in a row along the axial direction within a motor housing (2014-05-08
20140125182ROTOR FOR ROTATING ELECTRIC MACHINE - A rotor includes a rotor core having a plurality of pairs of magnet-receiving holes and a plurality of magnets respectively received in the magnet-receiving holes. Each pair of the magnet-receiving holes is arranged in a substantially V-shape that opens toward a stator side. The rotor core also has a plurality of q-axis core portions through which q-axis magnetic flux flows, a plurality of first magnetic flux barriers and a plurality of second magnetic flux barriers. Further, in the rotor core, the following dimensional relationships are satisfied: W2≧W1; and W3≧W1, where W1 is a width between centerlines L2014-05-08
20140125183ROTOR FOR ROTATING ELECTRIC MACHINE - A rotor includes a rotor core having a plurality of pairs of magnet-receiving holes and a plurality of magnets respectively received in the magnet-receiving holes. Each pair of the magnet-receiving holes is arranged in a substantially V-shape that opens toward a stator side. For each pair of the magnet-receiving holes, there are provided a pair of corresponding magnetic flux barriers and a corresponding center bridge. The corresponding magnetic flux barriers are formed so as to respectively extend radially inward from magnetic pole centerline-side ends of the pair of the magnet-receiving holes. The corresponding center bridge radially extends between the corresponding magnetic flux barriers to separate them from each other. The corresponding center bridge is configured to include a radially inner portion and a radially outer portion located radially outward of the radially inner portion. The radially inner portion has a greater circumferential width than the radially outer portion.2014-05-08
20140125184ROTOR FOR ROTATING ELECTRIC MACHINE - A rotor includes a rotor core in which a plurality of magnet housing holes are arrayed in a circumferential direction and a plurality of magnets fixed and held in the magnet housing holes by a filler material. The rotor core includes: a q-axis core portion, an outer flux bather that is formed between the q-axis core portion and the magnet and is filled with the filler material; and a bridge portion formed between a stator-side core portion and the q-axis core portion. The bridge portion includes a large-width portion, a small-width portion and a medium-width portion that are sequentially disposed from the q-axis core portion side towards the stator-side core portion side in the circumferential direction. The large-width portion has the largest radial-direction width. The small-width portion has the smallest radial-direction width. The medium-width portion has a medium radial-direction width between the largest radial-direction width and the smallest radial-direction width.2014-05-08
20140125185STATOR AND ROTATING ELECTRIC MACHINE - A stator includes a hollow cylindrical stator core and a stator coil. The stator core has a plurality of slots formed therein. The stator coil is provided in the slots of the stator core in a plurality of layers in a radial direction of the stator core, and includes a first winding and a second winding. The first winding extends around the stator core so as to be located at the (2n−1)th and 2nth layers of the stator coil, and has an end located at the 2nth layer, where n is a natural number. The second winding extends around the stator core so as to be located at the (2n+1)th and (2n+2)th layers of the stator coil, and has an end located at the (2n+1)th layer. The ends of the first and second windings, which are respectively located at the 2nth and (2n+1)th layers, are electrically connected to each other.2014-05-08
20140125186STATOR AND ROTARY ELECTRIC MACHINE - In a stator having a stator core and three phase windings, slots are formed in the stator core. The phase winding are accommodated in layers, from one side to the other side in the corresponding slot along a radial direction of the stator core. The phase windings are arranged in a star-delta composite connection structure. The phase winding in each phase is comprised of conductors accommodated in a first slot and a second slot adjacently arranged in the stator core so that the conductor in the n-th layer is electrically connected to the conductor in the (n+1)-th layer, ascending order, per slot. Because each winding has the same length and no difference in electric potential occurs between the star connection and the delta connection, this structure suppress generation of operation noise and a circulating current through the stator core and prevents loss due to the circulating current.2014-05-08
20140125187STATOR AND ROTARY ELECTRIC MACHINE - In a stator having a stator core and phase windings, slots are formed in the stator core and each slot accommodates conductors in a layer structure from one end to the other end of the slot in a radial direction of the stator core. The phase windings in one phase have conductors accommodated in a first slot and a second slot which are adjacently formed in the stator core. An electrical connection between the conductors in a n-th layer and the conductors in a (n+1)-th layer includes that the conductors accommodated in the first slot are electrically connected together, the conductors accommodated in the second slot are electrically connected together, and the conductors accommodated in the first slot are electrically connected with the conductors accommodated in the second slot. This connection eliminates a phase difference in the first slot and the second slot in a distributed winding structure.2014-05-08
20140125188CONCENTRATED WINDING STATOR CONSTRUCTION FOR HIGH EFFICIENCY MACHINE - A permanent magnet motor, generator or the like that is constructed with a concentrated winding using a separate tooth. This tooth is preloaded in such a way to achieve high structural rigidity and good magnetic performance.2014-05-08
201401251893-PHASE PERMANENT MAGNET MOTOR OR GENERATOR HAVING VARIABLE STATOR TEETH - An electric motor or generator machine is provided. The machine includes a rotor rotatable about an axis, as well as a stator. The stator includes a stator core and wiring wound around the stator core. The stator core includes a plurality of arcuately spaced apart alternating primary teeth and secondary teeth, such that each secondary tooth is spaced between a corresponding pair of primary teeth. The wiring is wound about the primary teeth to form a plurality of coils. The plurality of coils includes an A-phase coil, a B-phase coil, and a C-phase coil. Each of the primary teeth includes a generally radially extending primary arm and a generally arcuately extending primary crown. Each of the primary crowns spans one hundred sixty (160) to two hundred (200) electrical degrees.2014-05-08
20140125190STATOR OF AN ELECTRIC MOTOR - A stator for an electric motor has a stator core, a winding and a housing enclosing the stator core and winding. The stator core has a yoke and a plurality of poles extending inwardly from the yoke. The winding formed by coils wound about the poles of the stator core. The housing grips the stator core and has at least one inwardly deformed portion that retains the stator core in the housing and prevents rotational movement of the stator core relative to the housing.2014-05-08
20140125191VIBRATION DAMPENING STRUCTURE FOR STEPPER MOTORS - A stepper motor has electromagnetically driven stator segments facing corresponding rotor segments. In order to reduce vibration of the stator segments, motor body end caps are provided with a stepped annular rim along an inside diameter of a centering sleeve. The stepped rim bears against each axial end of the stator segments, with a radial dimension and an axial dimension bracketing a stator segment end in place.2014-05-08
20140125192ROTOR END-BELL FOR ELECTRIC GENERATORS - A rotor end-bell (2014-05-08
20140125193Ultrasonic Sensor Microarray and Method of Manufacturing Same - A sensor assembly including one or more capacitive micromachined ultrasonic transducer (CMUT) microarray modules which are provided with a number of individual transducers. The microarray modules are arranged to simulate or orient individual transducers in a hyperbolic paraboloid geometry. The transducers/sensor are arranged in a rectangular or square matrix and are activatable individually, selectively or collectively to emit and received reflected beam signals at a frequency of between about 100 to 170 kHz.2014-05-08
20140125194MULTILAYER CERAMIC ELECTRONIC COMPONENT - A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an oxide film formed on one surface of the ceramic body; first and second external electrodes formed on both sides of the oxide film on one surface of the ceramic body; a first internal electrode formed on the dielectric layer and including a first electrode lead-out portion exposed to the first external electrode and a first insulating lead-out portion exposed to the oxide film and having a composite-metal-oxide region formed in an exposed edge portion thereof; a second internal electrode facing the first internal electrode, having the dielectric layer interposed therebetween, and including a second electrode lead-out portion exposed to the second external electrode and a second insulating lead-out portion exposed to the oxide film, having a composite-metal-oxide region formed in an exposed edge portion thereof, and overlapped with the first insulating lead-out portion to form additional capacitance.2014-05-08
20140125195CERAMIC ELECTRONIC COMPONENT - A ceramic electronic component includes a ceramic base body and first and second outer electrodes. The ceramic base body includes first and second primary surfaces, first and second side surfaces, and first and second end surfaces. The first and second outer electrodes are arranged on the ceramic base body so that front end portions of the outer electrodes face each other. The first and the second outer electrodes include outermost layers each containing Cu. Outermost layers of the facing front end portions of the first and the second outer electrodes are more oxidized than outermost layers of the other portions of the first and the second outer electrodes.2014-05-08
20140125196Polymer Composite Actuator and Generator Driven by Water Gradients - Water-responsive composite materials are provided containing a polymeric matrix and a water-responsive gel integrated into the polymeric matrix. The water-responsive gel can include a polyol or an alkoxylated polyol crosslinked by reversibly hydrolysable bonds, such as borate ester bonds. The polymeric matrix can include conjugated polymers such as poly(pyrrole) containing polymers. The composite material is capable of rapid actuation in the presence of a water gradient and can exhibit power densities greater than 1 W/kg. Methods of making water-responsive composite materials are provided, including by electropolymerization. Devices containing water-responsive composite materials are provided for sensing, locomotion, and power generation.2014-05-08
20140125197ELASTIC WAVE DEVICE AND METHOD OF MANUFACTURING THE DEVICE - An elastic wave device includes a piezoelectric substrate, a comb-shaped electrode above an upper surface of the piezoelectric substrate, a wiring connected to the comb-shaped electrode, an element cover above the upper surface of the piezoelectric substrate for covering the comb-shaped electrode across a space, a first electrode above an upper surface of the element cover, a sealing resin above the upper surface of the piezoelectric substrate for covering the element cover and the first electrode, a terminal electrode above an upper surface of the sealing resin, and a second electrode passing through the sealing resin for electrically connecting the first electrode with the terminal electrode. The first and second electrodes are made of films produced by electro-plating. The diameter of plating particles of the first electrode may be larger than that of plating particles of the second electrode.2014-05-08
20140125198INTEGRATED PIEZOELECTRIC RESONATOR AND ADDITIONAL ACTIVE CIRCUIT - A semiconductor device comprises a semiconductor wafer; a piezoelectric resonator formed on the wafer, and an active circuit also formed on the wafer. The active circuit (e.g., a frequency divider) is electrically connected to the piezoelectric resonator.2014-05-08
20140125199PIEZOELECTRIC ELEMENT, OSCILLATORY WAVE MOTOR, AND OPTICAL APPARATUS - A piezoelectric element that can decrease the output voltage for detection relative to the input voltage for driving without requiring a step-down circuit between a detection phase electrode and a phase comparator and an oscillatory wave motor including the piezoelectric element are provided. A piezoelectric element includes a piezoelectric material having a first surface and a second surface, a common electrode disposed on the first surface, and a drive phase electrode and a detection phase electrode disposed on the second surface. An absolute value d(1) of a piezoelectric constant of the piezoelectric material in a portion (1) sandwiched between the drive phase electrode and the common electrode and an absolute value d(2) of a piezoelectric constant of the piezoelectric material in a portion (2) sandwiched between the detection phase electrode and the common electrode satisfy d(2)2014-05-08
20140125200VIBRATION WAVE ACTUATOR - A vibration wave actuator includes a vibrator, a driven element, and a magnet. The vibrator has at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion. The driven element is in pressure contact with the contact portion of the vibrator, and includes a magnetic substance. The magnet is arranged such that the vibrator is placed between the driven element and the magnet.2014-05-08
20140125201VARIABLE CAPACITOR AND SWITCH STRUCTURES IN SINGLE CRYSTAL PIEZOELECTRIC MEMS DEVICES USING BIMORPHS - A micro-electrical-mechanical systems (MEMS) device includes a substrate, one or more anchors formed on a first surface of the substrate, and a piezoelectric layer suspended over the first surface of the substrate by the one or more anchors. A first electrode may be provided on a first surface of the piezoelectric layer facing the first surface of the substrate, such that the first electrode is in contact with a first bimorph layer of the piezoelectric layer. A second electrode may be provided on a second surface of the piezoelectric layer opposite the first surface, such that the second electrode is in contact with a second bimorph layer of the piezoelectric layer.2014-05-08
20140125202BULK ACOUSTIC WAVE (BAW) RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION AND A PIEZOELECTRIC LAYER WITH MULTIPLE DOPANTS - A bulk acoustic wave (BAW) resonator, comprises: a first electrode; a second electrode comprising a plurality of sides. At least one of the sides comprises a cantilevered portion. The bulk acoustic wave (BAW) resonator also comprises a piezoelectric layer disposed between the first and second electrodes. The piezoelectric layer comprises a piezoelectric material doped with a plurality of rare earth elements, and the cantilevered portion extends above the piezoelectric layer. The bulk acoustic wave (BAW) resonator comprises a gap between the cantilevered portion and the piezoelectric layer.2014-05-08
20140125203BULK ACOUSTIC WAVE (BAW) RESONATOR STRUCTURE HAVING AN ELECTRODE WITH A CANTILEVERED PORTION AND A PIEZOELECTRIC LAYER WITH VARYING AMOUNTS OF DOPANT - A bulk acoustic wave (BAW) resonator, comprises: a first electrode; a second electrode comprising a plurality of sides. At least one of the sides comprises a cantilevered portion. The bulk acoustic wave (BAW) resonator also comprises a piezoelectric layer disposed between the first and second electrodes. The piezoelectric layer comprises a piezoelectric material doped with a plurality of rare earth elements, and the cantilevered portion extends above the piezoelectric layer. The bulk acoustic wave (BAW) resonator comprises a gap between the cantilevered portion and the piezoelectric layer.2014-05-08
20140125204PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.3632014-05-08
20140125205WHEEL HUB MOTOR ARRANGEMENT - A wheel hub motor arrangement for propelling a vehicle and a method for manufacturing the same are provided. The arrangement includes an axle, a rotatable wheel hub supported by at least one bearing to a hub support of the axle, an electric machine including a rotor member and a stator member, and a transmission mechanism for transferring motive power from the electric machine to the wheel hub. The stator member of the electric machine is arranged to an electric machine support of the axle, which electric machine support is arranged axially outside the hub support, and the transmission mechanism includes a member which at least partly encapsulates the electric machine.2014-05-08
20140125206APPARATUS, BRUSH HOLDER AND SYSTEM FOR MONITORING BRUSH WEAR - An apparatus, brush holder and system are provided. The apparatus includes a main body configured for attachment to a brush holder, and a proximity sensor on the main body. The proximity sensor is configured for detecting the presence of a brush located at least partially inside the brush holder. The apparatus is configured to transmit a wireless signal to a remote location, and the wireless signal is transformable into an indication of a remaining life of the brush.2014-05-08
20140125207Motor - A motor includes a rotation shaft having a first recessed portion. The first recess portion includes a bottom surface and a wall surface and a second recessed portion formed in the bottom surface. A rotor having a first magnet surrounds the rotation shaft and rotates together with the rotation shaft. A detector includes a second magnet mounted in the first recessed portion and detects rotation of the rotor.2014-05-08
20140125208MOTOR ROTOR STRUCTURE FOR ELECTRIC TURBO CHARGER AND METHOD OF ASSEMBLING SAME - A motor rotor structure for an electric turbo charger is manufactured at low cost with good quality by fixedly fitting, over a shaft, a rotor core having electromagnetic steel sheets pre-formed as an integrated stack. The rotor structure includes a rotor core which is rotated by a magnetic field formed by a stator in a housing; a shaft configured to rotate a compressor impeller and the rotor core together; and a bearing supporting the shaft. The rotor includes the rotor core including the electromagnetic steel sheets; a stopper portion formed at an intermediate portion of the shaft to restrict axial movement of the rotor core; and a pressing unit which presses the rotor core fitted over the shaft against the stopper portion. The pressing unit prevents a circumferential phase shift between the shaft and the rotor core by a pressing force thereof.2014-05-08
20140125209CHASSIS DRAWER FOR MODULAR INFORMATION HANDLING RESOURCES - A drawer for receiving components may include a caddy tray and at least one caddy. The caddy tray may include a substantially planar caddy tray bottom defining a caddy tray depth and a caddy tray width. The at least one caddy may be mechanically coupled to the caddy tray via a hinge mechanically coupled to the caddy tray bottom such that the caddy pivots relative to the caddy tray about the hinge, the hinge having an axis generally parallel to the caddy tray depth, the at least one caddy having a plurality of bays, each bay having one or more structural components for receiving a modular information handling resource and configured such that the bay is accessed for insertion or removal of the modular information handling resource when the at least one caddy is pivoted from a closed position to an open position.2014-05-08
20140125210LAUNDRY TREATMENT MACHINE - Provided is a laundry treatment machine which may include at least one hinge that supports a lid on a main body. The hinge may include a hinge housing, an elastic member disposed inside the hinge housing, and a pair of cams disposed in the housing to move in linkage with the lid and the elastic member. The cams may include contact surfaces that are inclined relative to each other in an axial direction of the cams, and when a contact surface of one of the cams slides along a contact surface of the other cam, a distance between the pair of cams may be changed to deform the elastic member. The contact surface of at least one of the cams may be divided into at least three sections by a prescribed angular range along the circumferential direction, each of the three sections having a separate contact surface.2014-05-08
20140125211Rack Assembly - A rack assembly has a shelf attached to a slidable mount. A front wall and a back wall are mounted to the shelf. At least one elastic element extends between the front wall and the back wall above a left side and a right side of the shelf such that the front wall, back wall and at least one elastic element define a contained area capable of holding objects.2014-05-08
20140125212REFRIGERATOR - There is disclosed a refrigerator including a refrigerator cabinet comprising a storage chamber provided therein, a first drawer provided in the storage chamber, movable forward, a second drawer arranged in front of the first drawer, movable forward and downward, a rail unit configured to support the first drawer and the second drawer and guide the motion of the first and second drawers, and a link unit comprising a shaft coupled to the second drawer, to rotate the second shelf forward and downward.2014-05-08
20140125213Methods Of Integrating LED Chips With Heat Sinks, And LED-Based Lighting Assemblies Made Thereby - An LED-based lighting assembly includes a heat sink having at least one pedestal with an upwardly facing, upper planar surface that is raised in a vertical direction relative to an upwardly facing, lower planar surface of the heat sink. A PCB forms an aperture corresponding to the pedestal, includes electrical conductors on an upper surface thereof, and is attached to the lower planar surface. The upper planar surface extends into the aperture, and one or more LED chips attach directly to the upper planar surface and connect to the conductors such that light emits upwardly. A method of integrating LEDs with a heat sink includes mounting a PCB to a planar surface of the heat sink, mounting one or more LED chips to a raised surface of the heat sink that is not covered by the PCB, and electrically connecting the LED chips to conductors on the PCB.2014-05-08
20140125214SPARK PLUG ELECTRODE MATERIAL AND SPARK PLUG - A spark plug electrode material containing nickel, silicon, and copper, the electrode material, in the case of proper use, forming a nickel oxide layer made of nickel oxide grains on at least a part of its surface, the grain boundary phase of the nickel oxide grains including silicon and/or silicon oxide.2014-05-08
20140125215MICROWAVE RESONANT CAVITY - A microwave resonant cavity is provided. The microwave resonant cavity includes: a sidewall having a generally cylindrical hollow shape; a gas flow tube disposed inside the sidewall and having a longitudinal axis substantially parallel to a longitudinal axis of the sidewall; a plurality of microwave waveguides, each microwave waveguide having a longitudinal axis substantially perpendicular to the longitudinal axis of the sidewall and having a distal end secured to the sidewall and aligned with a corresponding one of a plurality of holes formed on the sidewall; a top plate secured to one end of the sidewall; and a sliding short circuit having: a disk slidably mounted between the sidewall and the gas flow tube; and at least one bar disposed inside the sidewall and arranged parallel to the longitudinal axis of the sidewall.2014-05-08
20140125216DISPLAY DEVICE - A display device of the invention includes: a self-light-emitting display panel including a first substrate and a second substrate; a first heat-shrinkable film for anti-reflection bonded to a surface of the first substrate on the side opposite to the second substrate and having different shrinkage rates depending on directions; and a second heat-shrinkable film bonded to a surface of the second substrate on the side opposite to the first substrate and having different shrinkage rates depending on directions, wherein a first shrinkage direction that is a direction having a highest shrinkage rate among directions in which the first heat-shrinkable film shrinks is the same as a second shrinkage direction that is a direction having a highest shrinkage rate among directions in which the second heat-shrinkable film shrinks.2014-05-08
20140125217DIELECTRIC BARRIER DISCHARGE LAMP AND FABRICATION METHOD THEREOF - A dielectric barrier discharge lamp includes a lamp tube, a discharge gas, a support member, a first electrode, and a second electrode. The lamp tube has a first and a second sealed end. The discharge gas is filled in the lamp tube. The support member is disposed at the first sealed end and extended toward the inside of the lamp tube. The support member has an accommodating space with its opening facing the inside of the lamp tube. The first electrode is disposed in the lamp tube. A first terminal of the first electrode passes through the opening of the accommodating space. A gap exists between an end of the first terminal of the first electrode and a closed end of the accommodating space. A second terminal of the first electrode penetrates and is closely fitted with the second sealed end. The second electrode is disposed outside the lamp tube.2014-05-08
20140125218Luminaire Comprising A Fluorescent Light Bulb, Mercury Sorbent, And Secondary Covering - A luminaire comprising a fluorescent light bulb, mercury sorbent, and a secondary covering is presented along with methods for making and using a luminaire that has mercury sorbent placed under a secondary transparent or translucent covering, coating, or skin and over the glass-casing of the fluorescent light bulb comprising the luminaire so that elemental mercury will not escape to the environment surrounding the luminaire if and when the glass-casing of the fluorescent light bulb ever breaks or ruptures.2014-05-08
20140125219ORGANIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - In an aspect, an organic light emitting device, including: a substrate; a first electrode on the substrate; an emission layer on the first electrode: a second electrode on the emission layer; and a conductive capping layer on the second electrode is provided.2014-05-08
20140125220ILLUMINATION DEVICE - Provided is an illumination device including a semiconductor light source and an encapsulating agent. The semiconductor light source has an emission wavelength from 400 nm to 455 nm. The encapsulating layer includes an organic phosphor material. The organic phosphor material is used for the illumination device to meet the demand of industrial applicability.2014-05-08
201401252213-COORDINATE COPPER(I)-CARBENE COMPLEXES - Devices comprising an organic light emitting device are provided. The devices can include an anode; a cathode; and an organic layer, disposed between the anode and the cathode. The organic layer comprising at least one host material comprising a phosphorescent complex comprising novel phosphorescent trigonal copper carbene complexes. The complex comprise a carbene ligand coordinated to a three coordinate copper atom. The complex may be used in organic light emitting devices. In particular, the complexes may be especially useful in OLEDs used for lighting applications.2014-05-08
20140125222WAVELENGTH CONVERTING ELEMENT - A wavelength converting element (2014-05-08
20140125223ELECTRODE, AND HIGH-PRESSURE DISCHARGE LAMP COMPRISING SAID ELECTRODE - An electrode (2014-05-08
20140125224Mercury-Free Metal Halide Lamp for Vehicle and Metal Halide Lamp Device - A mercury-free metal halide lamp for a vehicle according to an embodiment includes an airtight vessel 2014-05-08
20140125225ELECTRODELESS LAMP - A discharge lamp (2014-05-08
20140125226LIGHT EMITTING MODULE - Embodiments provide a light emitting module including a body, a plurality of light emitting devices disposed on the body, and a turn-on controller configured to control turn-on of the plurality of light emitting devices. At least some neighboring light emitting devices among the plurality of light emitting devices are spaced apart from one another by different distances.2014-05-08
20140125227METHOD AND DEVICE FOR CONTROLLING A HEADLIGHT SYSTEM OF A VEHICLE - A method is described for controlling a headlight system of a vehicle. The method includes a step of reading in an aerosol signal which represents a recognized intensity of an aerosol in a field of vision of a camera of the vehicle. Furthermore, the method includes a step of activating a change in a light emission in a lighting area ahead of the vehicle with the aid of the headlight system as a response to the aerosol signal.2014-05-08
20140125228DRIVING CIRCUIT - A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a voltage generating module. The light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a preset voltage and an activation voltage and includes a light-emitting end, a control end, and a setting end. The light-emitting ends are coupled with the light-emitting units, and the setting ends of the switches are coupled with each other. The voltage generating module includes a plurality of control units and provides a plurality of control voltages to the switches, and each switch is driven to be activated or to be deactivated according to a relation of the preset voltage and a difference between the control voltage and the activation voltage when the input voltage drives the light-emitting units, the switches, and the control units.2014-05-08
20140125229MULTI-SEGMENT LED LIGHTING APPARATUS CONFIGURATIONS - A solid state lighting apparatus can include a Light Emitting Diode (LED) string that includes a plurality of light emitting diode (LED) segments that are coupled in series with one another wherein a ratio of respective numbers of LEDs in each of the segments is about equal to a ratio of respective average powers for each of the respective segments. Other configurations are also disclosed.2014-05-08
20140125230APPARATUS, METHOD AND SYSTEM FOR PROVIDING AC LINE POWER TO LIGHTING DEVICES - An apparatus, method and system are disclosed for providing AC line power to lighting devices such as light emitting diodes (“LEDs”). A representative apparatus comprises: a plurality of LEDs coupled in series to form a plurality of segments of LEDs; first and second current regulators; a current sensor; and a controller to monitor a current level through a series LED current path, and to provide for first or second segments of LEDs to be in or out of the series LED current path at different current levels. A voltage regulator is also utilized to provide a voltage during a zero-crossing interval of the AC voltage. In a representative embodiment, first and second segments of LEDs are both in the series LED current path regulated at a lower current level compared to when only the first segment of LEDs is in the series LED current path.2014-05-08
20140125231LIGHT SOURCE DEVICE - A light source device includes a light source unit configured to emit primary light and an illumination unit configured to optically convert the primary light to secondary light and then emit the secondary light. The light source device further includes a connector configured to allow the light source unit and the illumination unit to be attached to and detached from each other. Furthermore, the light source device includes an information transmitter configured to transmit illumination unit information to the light source unit, the illumination unit information being information regarding the illumination unit.2014-05-08
20140125232Modular Lightings Systems Having Sensors for Touch, Presence, Movement - A modular lighting system (2014-05-08
20140125233Robust daylight integration with the aid of coded light - The present invention relates to a method of controlling a dimmable luminaire co-arranged with a light sensor at a first level of a room and illuminating a second level of the room, comprising: determining an output path parameter representing a relation between the amount of light emitted from the luminaire and a luminaire illumination value at the second level, which results from the emitted amount of light; and repeatedly: determining an external illumination value at the second level, which external illumination value represents illumination by other sources than the luminaire, by means of values of the presently emitted amount of light, the output path parameter, and light information originating from the light sensor; and controlling the dimming level of the luminaire on basis of the external illumination value in order to meet a predetermined illumination condition for the total illumination at the second level.2014-05-08
20140125234Dimmer with Motion and Light Sensing - A dimming system including a motion and/or light sensor.2014-05-08
20140125235CIRCUIT FOR DRIVING LEDS - A circuit is disclosed for driving a plurality of LED strings from an AC supply and arranged to, in use, drive current through a series arrangement of a plurality N of the LED strings when the AC voltage is sufficient to drive the plurality N of the LED strings: the circuit comprising a first current source configured to be switchably connected to a one end of said series arrangement of N LED strings; a series combination of a second current source and a heat dissipater, wherein the series combination of the second current source and the heat dissipater is arranged in parallel with the first current source; and a current balancer for balancing the current through the first current source and the second current source. A driver for such a circuit is also disclosed.2014-05-08
20140125236Electronic Circuits For Driving Series Connected Light Emitting Diode Strings - Electronic circuits provide an error signal to control a regulated output voltage signal generated by a controllable DC-DC converter for driving one or more series connected strings of light emitting diodes.2014-05-08
20140125237LED LIGHTING DEVICE - An LED lighting device may include a first constant current source, a switched mode power supply, a plurality of LEDs between the switched mode power supply and the first constant current source, and powered by the switched mode power supply, and a voltage divider between the switched mode power supply and the plurality of LEDs. In various embodiments, the voltage divider may include a plurality of switches. Each switch may be configured to transition between open and closed based on a lighting state of an LED of the plurality of LEDs to vary a divided feedback voltage provided to the switched mode power supply. In various embodiments, the switched mode power supply may be configured to supply different output voltages based on the divided feedback voltage.2014-05-08
20140125238APPARATUS FOR CONTROLLING LIGHT EMITIING DEVICES - A light emitting unit includes a plurality of light emitting devices. A control apparatus includes a rectifier for converting an alternating current (AC) signal into a ripple signal by rectifying the AC signal. A ripple signal adjuster reduces a level difference between maximum and minimum levels of the ripple signal, and outputs the resultant ripple signal as a drive signal. A turning-on controller controls turning-on of the light emitting devices in accordance with a level variation of the drive signal.2014-05-08
20140125239CIRCUITS AND METHODS FOR REDUCING FLICKER IN AN LED LIGHT SOURCE - Method and circuits for balancing a first waveform used to drive an LED are disclosed herein. The first waveform has a first cycle with a first amplitude and a second cycle with a second amplitude. An embodiment of the method includes adjusting the first amplitude of the first cycle to match the second amplitude of the second cycle, the result being a second waveform. The LED is driven with the second waveform.2014-05-08
20140125240Dimmable LED Driver And Method For Controlling The Same - A dimmable LED driver adapted to be operated with a dimmer that is configured to generate a predetermined conductive angle, wherein the dimmable LED driver comprises: a rectifier configured to convert an alternating current output by the dimmer to a direct current, a buck PFC block configured to adjust an output voltage of the direct current so as to obtain a stable output voltage, a second buck DC/DC block configured to realize output of a constant current after the stable output voltage is realized, a dimming block configured to, after realizing output of the constant current, accomplish a dimming function jointly with the second buck DC/DC block, and an MCU configured to control the buck PFC block, the second buck DC/DC block and the dimming block.2014-05-08
20140125241DC-DC DRIVER DEVICE HAVING INPUT AND OUTPUT FILTERS, FOR DRIVING A LOAD, IN PARTICULAR AN LED UNIT - The present invention relates to a driver device (2014-05-08
20140125242ILLUMINATION SYSTEM - There is provided an illumination system including a driving device including a rectifier configured to receive alternating current (AC) power from an external power source, rectify the AC power, and output rectified power, and a constant current driver configured to receive the rectified power from the rectifier and output constant current; a light emitting device including at least one light emitting diode (LED) driven with the constant current of the driving device, and a forward direction current transmitter configured to control the constant current of the driving device to be applied to the LED in a forward direction; and a detachable electrical connector connecting the driving device and the light emitting device to one another.2014-05-08
20140125243LIGHT-EMITTING ELEMENT DRIVING CIRCUIT AND DISPLAY DEVICE - Provided are a light-emitting element driving circuit for controlling luminance of light-emitting elements by using a PWM signal, and a display device including the light-emitting element driving circuit and plural light-emitting elements. The light-emitting element driving circuit includes: a control circuit configured to generate a control signal based on an input PWM signal in which ON-periods alternate with OFF-periods to form pulses; and a light-emitting element driving unit configured to drive the plurality of light-emitting elements by using the control signal. The control signal includes alternating first periods and second periods, where the first periods and the second periods correspond to the ON-periods and the OFF-periods of the input PWM signal, respectively. Each of the first periods includes an ON-period, and each of the second period includes an ON-period. The control signal includes a larger number of frequency components in comparison with frequency components of the input PWM signal.2014-05-08
20140125244SYSTEM AND METHOD FOR PROGRAMMING A CONFIGURABLE LOAD CONTROL DEVICE - A system for configuring at least one output parameter of a lighting load power supply, the lighting load power supply having a programmable controller for regulating the output parameter to a target value and having a memory for storing a variable for setting the target value of the output parameter, the power supply having a communication port for receiving data for setting the target value, the system comprising a computer executing software allowing a user to select a target value of an output parameter of the lighting load power supply and having a first port providing data related to the selected output parameter; and a programming device having a second port in communication with the first port of said computer and for providing data relating to said selected output parameter in a form usable by said lighting load power supply to said communication port of said lighting load power supply for programming said programmable controller to set the output parameter to the selected target value.2014-05-08
20140125245LIGHTING CIRCUIT AND LUMINAIRE AND A METHOD OF CONTROLLING A LIGHTING CIRCUIT - According to one embodiment, a lighting circuit includes a high potential input terminal, a low potential input terminal, a high potential output terminal, a low potential output terminal, first and second switching elements, first and second rectifying elements, an inductor and a control circuit. The first switching element has one end connected to the high potential input terminal. The first rectifying element is connected between one other end of the first switching element and the low potential input terminal. The inductor has one end connected to the one other end of the first switching element. The second switching element is connected between one other end of the inductor and the low potential input terminal. The second rectifying element is connected between the one other end of the inductor and the high potential output terminal. The control circuit turns on or off the first and second switching elements.2014-05-08
20140125246CONTROL CIRCUIT FOR LIGHT EMITTING APPARATUS - A first driver switches on and off a driving current I2014-05-08
20140125247OPERATING DEVICE FOR A LAMP HAVING A POWER CORRECTION CIRCUIT - For the purpose of power factor correction of an operating device for a lamp, an inductor (2014-05-08
20140125248LIGHTING APPARATUS AND METHODS USING OSCILLATOR-BASED DIMMING CONTROL - An apparatus includes a driver circuit configured to control a current through at least one LED responsive to a control signal. The apparatus further includes a modulated oscillator circuit configured to modulate an oscillating signal responsive to a dimming signal and to generate the control signal responsive to the modulated oscillating signal.2014-05-08
20140125249LIGHT EMITTING MODULE AND METHOD OF MANUFACTURING THE SAME - There is provided a light emitting module and a method of manufacturing the same. The light emitting module includes a circuit board, and a plurality of light emitting devices disposed on the circuit board, wherein the plurality of light emitting devices include at least one light emitting device having a driving voltage less than an average driving voltage of the plurality of light emitting devices and at least one of light emitting devices adjacent thereto having a driving voltage greater than the average driving voltage. In the light emitting module, variations in driving voltages between light emitting modules that may be caused due to driving voltage dissipation in a light emitting device may be minimized.2014-05-08
20140125250ANTENNA SENSOR - An antenna sensor includes an antenna operable to receive and/or transmit radio frequency (RF) signals, and one or more sensors operably connected to the antenna and configured to monitor at least one condition and to output sensor signals. A single connection is provided for connection to an electronic device to transfer RF signals from the antenna and sensor signals from the one or more sensors to the electronic device.2014-05-08
20140125251FLAT PANEL ELECTRONIC DEVICE AND CURRENT CONTROL SYSTEM THEREOF - Embodiments of the present invention provide a flat panel electronic device and a current control system thereof. The current control system comprises: a detecting module for detecting a current in a main circuit of the flat panel electronic device; and a control mechanism for reducing a brightness level of a backlight unit of the flat panel electronic device when the current in the main circuit is larger than or equal to a threshold so that the current in the main circuit is reduced to be less than the threshold. The current control system provided by the present invention reduces the current in the main circuit by reducing the brightness level of the backlight unit. Therefore, it is able to reduce the processing time by more than 10 ms compared with the prior art, and the fast and effective response is an important factor for extending the life of the battery.2014-05-08
20140125252DIMMING FOR CONSTANT CURRENT LED DRIVER CIRCUIT - An illustrative LED driver circuit includes dimming control of the LED lamp. The circuit uses flyback converter topology, a power factor correction (PFC) primary side controller, a secondary side controller that includes current control and voltage control regulation, and an dimming control circuit. The dimming control circuit includes a selectable dimming control signal added together with a sensed current output signal to provide a control signal supplied to the secondary controller for output current control.2014-05-08
20140125253LED BALLAST CONTROLLER DEVICE - A device and method to interface with a Magnetic or Electronic Fluorescent Ballast; evaluate, process, and regulate the incoming power from the Ballast device and output a steady AC power that can be used by LED drivers, LED chips, or set of multiple LED chips in a Tube or Bulb application. This device and method will allow for a non-fluorescent replacement lighting device such as a LED Lighting Tube or Bulb to be used in a Fluorescent Light Luminaire (fixture) without any electrical wiring modification or removal of the Electronic or Magnetic Ballast.2014-05-08
20140125254ACCELERATING STRUCTURE - The present invention provides an accelerating structure capable of increasing a degree of vacuum at a middle part inside the accelerating structure while confining an alternating electric field to the inside. An accelerating structure 2014-05-08
20140125255MOTOR CONTROL DEVICE - A motor control device which controls rotation of a motor to which an object to be controlled is connected through a link mechanism, the motor control device comprising: a parameter input means configured to input information about operation start and end positions of the object to be controlled and parameters necessary for controlling the motor including at least rotation speed information of the motor; a position detection means configured to detect a position of the object to be controlled; and a driving control means configured to calculate a deceleration start position from the information about the operation start and end positions to drive the motor, and to perform a subtraction operation on the target rotation speed when it is detected that the object to be controlled has reached the deceleration start position to drive the motor.2014-05-08
20140125256VARIABLE SPEED SWITCH AND ELECTRIC POWER TOOL WITH THE VARIABLE SPEED SWITCH MOUNTED THERETO - A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be capable of relative movement, and a load sensor which is provided in the switch main body portion and capable of outputting an electric signal in proportion to the amount of distortion caused by a pressing force. The switch operating portion is mounted on the surface of the housing so as to be capable of relative displacement with respect to the housing and transmits a pressing force applied to the switch operating portion to the load sensor, with the maximum displacement amount of the switch operating portion being set to equal to or less than 5 mm.2014-05-08
20140125257METHOD AND DEVICE FOR OPERATING A PIEZOELECTRIC ACTUATOR - A method for operating a piezoelectric actuator which may be activated with the aid of an activation signal. The piezoelectric actuator is operable in a passive and in an active operating mode. The piezoelectric actuator is activated without a functional operating request if the piezoelectric actuator is in a passive operating mode.2014-05-08
20140125258METHOD AND APPARATUS FOR REDUCING TORQUE VARIATION IN MOTOR DRIVE SYSTEMS - A method for controlling a specific electric machine includes receiving with a controller a back electromotive force (BEMF) coefficient for the specific electric machine. The controller is configured to control operation of an inverter coupled to the electric machine where the inverter is configured to provide or receive multi-phase electricity to or from the electric machine in motor mode or generator mode, respectively. The method further includes receiving with the controller an input related to a selected torque to be applied by or a selected power to be removed from the electric machine. The method further includes determining a first electrical parameter the inverter is to apply to in motor mode or a second electrical parameter the inverter is to convert power to in generator mode using the BEMF coefficient, and applying the first electrical parameter to the electric machine or converting the received power to the second electrical parameter.2014-05-08
20140125259System and Method for Improved Battery Protection Cutoff - Improved protection for a rechargeable battery from damage by being discharged below a cut-off voltage is provided. The measured voltage of a battery under load is lower than the measured voltage of the battery under no load. As the cut-off voltage for the battery is specified as a no load voltage, comparing the measured voltage of the battery under load to the cut-off voltage would result in stopping use of the battery with useable charge remaining. Through testing, a set of relationships for estimating the no load voltage of a battery under load has been determined. Using this set of relationships with battery measurements, an estimated no load voltage for the battery is determined. This estimated no load voltage is compared to the cut-off voltage. This allows for full use of the battery while stopping use of the battery when its voltage reaches the cut-off, thereby preventing damage.2014-05-08
20140125260VEHICLE AND METHOD FOR CONTROLLING VEHICLE - A vehicle includes an engine, an EHC (electrical heated catalyst), a first MG (motor generator) generating a counter electromotive force at the time of vehicle collision, a battery, a PCU (power control unit) having a converter and an inverter performing power conversion between the battery and the first MG, and an ECU. The PCU is connected to the battery through an SMR (system main relay). The EHC is connected between the converter and the inverter through EHC relay. The ECU determines whether or not vehicle collision has occurred. When the vehicle collision has occurred, the ECU opens the SMR to electrically separate the battery and the PCU and closes the EHC relay to electrically connect the EHC and the first MG, so that the counter electromotive force generated in the first MG at the time of vehicle collision is consumed at the EHC.2014-05-08
20140125261CONTROLLER OF AC MOTOR - A controller of an AC motor includes a d-axis voltage command section to generate a d-axis voltage command on a d axis of a d-q coordinate system. A d-axis non-interactive control section removes, from the d-axis voltage command, an interference component resulting from a current on a q axis of the system. A first current deviation arithmetic section obtains a deviation between a current command on the q axis and the current on the q axis flowing through the AC motor. A q-axis integral control section outputs an integral value of the deviation. A q-axis voltage command section generates a q-axis voltage command based on the deviation. A constant output control section outputs a correction voltage command based on the integral value. A d-axis voltage command correction section subtracts the correction voltage command from the d-axis voltage command after non-interactive control to correct the d-axis voltage command.2014-05-08
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