34th week of 2014 patent applcation highlights part 22 |
Patent application number | Title | Published |
20140232217 | MECHANICALLY AND ELECTRICALLY INTEGRATED MODULE - An inverter apparatus is incorporated integrally into a non-load-side of a motor such that an inverter cooler is interposed, and a non-load-side end frame of the motor includes: a flat base portion; a cylindrical non-load-side bearing portion that is disposed so as to protrude axially from near a center of a front surface of the base portion that faces a rotor, and that houses and holds a non-load-side bearing into which a non-load-side end portion of a rotating shaft of the rotor is mounted; and an annular first flange portion that is disposed so as to protrude axially from an outer circumferential edge portion of the front surface of the base portion so as to contact a non-load-side end surface of a cylindrical portion and a cylindrical member. | 2014-08-21 |
20140232218 | COOLING SYSTEM AND COOLING METHOD FOR COOLING ROTATING ELECTRICAL MACHINE - A cooling system and a cooling method, capable of reducing a temperature gradient of a rotating electrical machine by means of a simple structure, in relation to both axial and circumferential directions thereof. The cooling system has a coolant conveying device such as a pump, and a coolant cooling device such as a heat pump. The conveying device is fluidly communicated with a flow path via a coolant pipe | 2014-08-21 |
20140232219 | COOLING ARRANGEMENT FOR A MOTOR ASSEMBLY AND METHOD OF COOLING A MOTOR ASSEMBLY - A cooling arrangement for a motor assembly includes a motor operably connected to a load. Also included is a motor controller disposed adjacent to, and fluidly coupled to, the motor, the motor controller disposed within a housing enclosing a cooling fluid for immersion of a plurality of motor controller components. Further included is a duct arrangement configured to route a cooling flow to a location proximate the housing of the motor controller for cooling therealong. | 2014-08-21 |
20140232220 | ROTOR OF AN ELECTRIC MACHINE - A rotor of an electric machine including a rotor body, axial slots in the rotor body, a plurality of tubular conductive bars in each axial slot, and apertures in at least some of the tubular conductive bars. The apertures are provided on walls of tubular conductive bars that intersect a radial axis of the rotor body. The rotor includes tubular elements that are housed in at least some of the holes and pass through at least one tubular conductive bar. | 2014-08-21 |
20140232221 | Centrifugal Heat Dissipation Device and Motor Using Same - A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side connected to the shaft hole. The shaft hole axially extends through the main body for receiving a shaft of a motor therein. A centrifugal force generated by the rotating shaft and accordingly, the heat dissipation device enables enhanced vapor-liquid circulation of a working fluid in the heat dissipation device, so that heat generated by the operating motor is absorbed by the centrifugal heat dissipation device and transferred to the shaft for guiding out of the motor, allowing the motor to have largely upgraded heat dissipation performance. | 2014-08-21 |
20140232222 | ROTARY ELECTRIC MACHINE - An object of the present invention is to provide a rotary electric machine that can improve the reliability of a connection terminal by preventing brazing material applied to butting portions of the connection terminal from flowing out. The rotary electric machine according to the present invention has, on at least one of the inner and outer circumferences of a hole portion | 2014-08-21 |
20140232223 | STATOR FOR ROTARY ELECTRIC MACHINE - A bus bar extended end portion of a bus bar that projects from a main body of a bus bar module and a coil conductor extended end portion extend in the same direction, and are disposed adjacent to each other. The respective distal ends of the coil conductor extended end portion and the bus bar extended end portion are welded to each other. The coil conductor extended end portion and the bus bar extended end portion are also fixed to each other at a position away from the weld. | 2014-08-21 |
20140232224 | Angular momentum engine - This Angular Momentum Engine uses Servo Motors, connected to a planetary gearbox, to spin-up a high speed inertia load, a ‘point mass’ spinning horizontally around a vertical axis, like the ball on the end of a string. | 2014-08-21 |
20140232225 | DRIVE ARRANGEMENT FOR AN ADJUSTING ELEMENT OF A MOTOR VEHICLE - The invention relates to a drive arrangement for an adjusting element of a motor vehicle, a clutch arrangement which is connected into the drive train with a drive connection and a driven connection, the clutch arrangement at any rate forwarding a movement which is introduced on the drive side to the driven connection and having a braking arrangement for braking a movement which is introduced on the output side. The braking arrangement has a braking element which can be adjusted counter to a braking force, in that, between the output connection and the braking element, the clutch arrangement has a freewheel arrangement comprising at least one freewheel pair of clamping body freewheels which operate in opposite directions, in that a movement which is introduced on the output side always brings about the blocking of at least one clamping body freewheel and is correspondingly braked via the braking arrangement. | 2014-08-21 |
20140232226 | HIGH CONICAL ANGLE TOUCH DOWN BEARING - A machine comprises a rotor ( | 2014-08-21 |
20140232227 | MAGNETIC TRANSMISSION - An electromagnetic transmission assembly. The electromagnetic transmission assembly includes a stator having a central axis and a plurality of selectively-energized electromagnetic poles. A first rotor assembly is rotatably supported for rotation about the central axis. The first rotor assembly including a first rotor shaft and a castellated rotor including a plurality of radially arranged ferromagnetic pole portions disposed in a housing. A second rotor assembly is rotatably supported for rotation about the central axis. The second rotor assembly includes a second rotor shaft and a permanent-magnet rotor. The first rotor assembly is at least partially magnetically coupled to the second rotor assembly when the plurality of electromagnetic poles are energized. | 2014-08-21 |
20140232228 | POWER TRANSMISSION APPARATUS - A rotational difference is generated between a first and a second rotor and a third rotor, which causes an induced current to flow in a first rotor winding. This causes a torque to act between the first rotor and the third rotor. The rotary magnetic field generated by the induced current flowing through a second rotor winding interacts with a second stator, which in turn generates an induced electromotive force in a second stator winding. The induced electromotive force is applied via a phase adjustment circuit to a first stator winding, which generates a rotary magnetic field and causes a torque to act between the first stator and the third rotor. The rotary magnetic field generated by the second rotor winding and the induced current flowing in the second stator winding causes a torque to act between the second stator and the second rotor. | 2014-08-21 |
20140232229 | Permanent Magnet Work Generating Motor - The device disclosed in this patent is a work generating device composed of magnetically transparent materials and permanent magnets, assembled to make a base, a rotor and a stator. The rotor is comprised of permanent magnet assemblies placed in a magnetically transparent material. The stator is an arrangement of permanent magnets, on one or more sides, adjacent to the linear potion of and parallel to the direction of travel of the rotor. The interaction of the rotor magnetic zone with the stator magnetic zone drives the rotor. | 2014-08-21 |
20140232230 | PERMANENT MAGNET EMBEDDED MOTOR AND COMPRESSOR, BLOWER, AND REFRIGERATING AND AIR CONDITIONING APPARATUS USING PERMANENT MAGNET EMBEDDED MOTOR - A permanent magnet embedded motor includes a rotor and permanent magnets. The outer circumferential surface of the rotor is formed by divided outer circumferential surfaces divided at equal angle intervals in a circumferential direction corresponding to permanent magnets. The divided outer circumferential surface is formed by a first curved surface, a radial direction distance of which from a rotor axis is maximized in a circumferential direction center of divided outer circumferential surface and second curved surfaces formed from the circumferential direction both ends to the circumferential direction center and crossing the first curved surface. The second curved surfaces are formed by arcuate surfaces each having the rotor axis as a central axis. A distance between both ends of the first curved surface is smaller than the width of a permanent magnet in a direction orthogonal to a radial direction in the circumferential direction center. | 2014-08-21 |
20140232231 | ROTOR OF INTERIOR PERMANENT MAGNET MOTOR, COMPRESSOR, AND REFRIGERATING AIR-CONDITIONING APPARATUS - A rotor of an interior permanent magnet motor includes a rotor core; permanent magnet insertion holes formed in an outer circumferential portion of the rotor core along a circumferential direction; a permanent-magnet end-portion air gap formed in each of both end portions of each permanent magnet insertion hole; a permanent magnet inserted in each permanent magnet insertion hole; and slits formed in an outer circumferential core portion on an outer side in a radial direction with respect to each permanent magnet insertion hole, wherein a width of a core present between the permanent-magnet end-portion air gap and the slit and a width of a core present between the slits are such that a width of a core gradually increases as the core is closer to a magnet pole center from the interpolar line. | 2014-08-21 |
20140232232 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a rotor, and a stator. The rotor includes poles having slots and magnets. Each of the slots includes a first housing hole, a pair of second housing holes, a pair of first ribs, a pair of second ribs, and an area of a first space. The first housing hole is disposed near an outer periphery of the rotor to be substantially parallel with an outer peripheral surface of the rotor. The pair of second housing holes are provided symmetrically with respect to the first housing hole to be inclined toward the outer periphery away from the first housing hole. The pair of first ribs are each provided between the first housing hole and each of the pair of second housing holes. The pair of first ribs are each provided between the first housing hole and each of the pair of second housing holes. | 2014-08-21 |
20140232233 | MULTI-GAP ROTATING ELECTRIC MACHINE - A multi-gap rotating electric machine includes a rotor, a stator core and a stator coil. The stator core has inner and outer core parts respectively located radially inside and outside of the rotor and each having partially or fully closed slots. The stator coil is formed of electric conductor segments each having a first leg portion inserted in one of the slots of the inner core part, a second leg portion inserted in one of the slots of the outer core part, and a connecting portion connecting the first and second leg portions on one axial side of the rotor. The first and second leg portions respectively have radially inner and outer coil end parts formed on the opposite axial side to the connecting portion. Corresponding radially inner coil end parts are joined to each other, and corresponding radially outer coil end parts are joined to each other. | 2014-08-21 |
20140232234 | LAMINATED ROTOR MACHINING ENHANCEMENT - A laminated rotor for an electric machine is disclosed. In an embodiment, the rotor comprises a plurality of stacked laminations. Each lamination includes a plurality of radially extending slots arranged about a circumference thereof, and a first chamfer on a surface of each of the slots, wherein the surface mates with a wedge. The first chamfer connects the surface and a first face of the lamination. A stud member passes longitudinally through a hole in the lamination stack, a first end flange member on a first end of the lamination stack, and a second end flange member on a second end of the lamination stack. A first fastener is affixed to a first end of each of the at least one stud member; and a second fastener affixed to a second end of each of the at least one stud member. | 2014-08-21 |
20140232235 | APPARATUS FOR USE AS A MOTOR OR GENERATOR - Apparatus ( | 2014-08-21 |
20140232236 | Electrostatic Transducer - An electrostatic transducer comprises an electrically conductive first layer ( | 2014-08-21 |
20140232237 | Power Generation Apparatus - A power generation apparatus includes a dielectric, a movable member being opposed to the dielectric with a predetermined distance, and an electret and an opposing electrode that are formed on the surface of the movable member facing the dielectric so as to generate a fringe electric field penetrating the dielectric between the two electrodes. When the volume occupancy of the dielectric between the electret and the opposing electrode varies in accordance with a displacement of the movable member, the power generation apparatus outputs the electric charge induced in the opposing electrode as electric current. | 2014-08-21 |
20140232238 | Piezoelectric Component and Method for Producing a Piezoelectric Component - A piezoelectric component has at least one piezoelectric ceramic layer and at least one electrode adjacent the piezoelectric ceramic layer. The piezoelectric ceramic layer has a piezoelectric ceramic material of the general formula Pb | 2014-08-21 |
20140232239 | ACOUSTIC WAVE DEVICE AND ELECTRONIC APPARATUS INCLUDING SAME - An acoustic wave device includes a piezoelectric substrate, an IDT electrode including plural electrode fingers disposed above an upper surface of the piezoelectric substrate, a first dielectric film made of oxide disposed above the upper surface of the substrate for covering the electrode fingers, and a second dielectric film made of non-oxide disposed on upper surfaces of the electrode fingers and between the first dielectric film and each of the electrode fingers. The first dielectric film contacts the upper surface of the piezoelectric substrate at a position between electrode fingers out of the plural electrode fingers adjacent to each other. The acoustic wave device prevents the electrode fingers of the IDT electrode from corrosion. | 2014-08-21 |
20140232240 | ELECTROACTIVE POLYMER ENERGY CONVERTER - A balanced multi-phase energy conversion apparatus configured to convert energy from a mechanical energy source into electrical energy is disclosed. The energy conversion apparatus may comprise a plurality of transducers. Each of the plurality of transducers comprises a dielectric elastomer module comprising at least one dielectric elastomer film layer disposed between at least first and second electrodes. A transmission coupling mechanism is coupled to the mechanical energy source and operatively attached to the plurality of transducers. The transmission coupling cyclically strains and relaxes the plurality of transducers in response to the mechanical energy acting on the transmission coupling mechanism. The transmission coupling mechanism comprises a work cycle. The plurality of transducers are at evenly distributed points in the work cycle such that a total passive strain energy is constant. | 2014-08-21 |
20140232241 | PIEZOELECTRIC ARRAY EMPLOYING INTEGRATED MEMS SWITCHES - Switchable micromachined transducer arrays are described where a MicroElectroMechanical Systems (MEMS) switch, or relay, is monolithically integrated with a transducer element. In embodiments, the MEMS switch is implemented in the same substrate as the transducer array to implement one or more logic, addressing, or transducer control function. In embodiments, each transducer element of an array is a piezoelectric element coupled to at least one MEMS switch to provide element-level addressing within the array. In certain embodiments the same piezoelectric material employed in the transducer is utilized in the MEMS switch. | 2014-08-21 |
20140232242 | PIEZOELECTRIC GENERATOR, SENSOR NODE, AND METHOD OF MANUFACTURING PIEZOELECTRIC GENERATOR - A piezoelectric generator includes: a base body; and at least one piezoelectric transducer disposed on the base body, and including a first electrode, a piezoelectric body, and a second electrode, wherein the piezoelectric transducer includes a support section fixed to the base body, and a vibrating section disposed apart from the base body, having one end connected to the support section and the other end set as a free end, and vibrating due to a vibration applied externally, and a distance between the other end of the vibrating section and the base body is larger than a distance between the one end of the vibrating section and the base body. | 2014-08-21 |
20140232243 | PIEZOELECTRIC VIBRATION ELEMENT, PIEZOELECTRIC VIBRATION DEVICE, AND PORTABLE TERMINAL - A piezoelectric vibration element capable of reducing occurrence of unnecessary vibration, and a piezoelectric vibration device and a portable terminal using the same are disclosed. The piezoelectric vibration element includes a plurality of electrode layers and a plurality of piezoelectric layers being stacked along a first direction, the piezoelectric vibration element having two surfaces that face each other to be at intervals in the first direction, and vibrating in bending mode in the first direction with an amplitude varying along a second direction perpendicular to the first direction according to input of an electric signal, one of the two surfaces having such a shape that a central portion thereof in a third direction perpendicular to the first direction and the second direction protrudes as compared with opposite end portions thereof in the third direction. | 2014-08-21 |
20140232244 | TEMPERATURE CONTROLLED ACOUSTIC RESONATOR COMPRISING HEATER AND SENSE RESISTORS - A bulk acoustic wave (BAW) resonator device comprises a heating cod disposed over a first side of the piezoelectric layer and substantially around a perimeter adjacent to the active area of the acoustic resonator, the heating coil comprising a resistor configured to receive a heater current; and a heat sensor disposed over a second side of the piezoelectric layer and opposing the first side, the heat sensor configured to adjust the heater current in response to a temperature of the heating coil. | 2014-08-21 |
20140232245 | VEHICLE AC GENERATOR - Provided is a vehicle AC generator having a retainer attached on a bearing containing portion of a front bracket, thereby realizing temperature reduction in a bearing without deteriorating the cooling performance as a whole. In the vehicle AC generator, a front bracket | 2014-08-21 |
20140232246 | FAN MOTOR - A fan motor includes: a rotor configured to be rotated so as to generate air movement; a stator configured to rotatably support the rotor via a fluid dynamic pressure bearing; and a driving mechanism configured to rotationally drive the rotor with respect to the stator. The rotor comprises a hub fixed to an impeller. The stator includes a bottom housing which supports a sleeve. The fan motor is configured to have a thickness of 3.2 mm or less along the rotational axis R of the rotor. | 2014-08-21 |
20140232247 | MOTOR - A coupling portion is provided on either a rotary shaft or a worm shaft in an integrally rotational manner, said coupling portion for connecting the rotary shaft to the worm shaft and having a coupling hole therein. The coupling projection provided on the other of the rotary shaft and the worm shaft is inserted in the coupling hole. A circumferential clearance and a radial clearance are formed between the inner surface of the coupling hole and the coupling projection. Circumferential buffer portions are interposed in the circumferential clearance, and radial buffer portions are interposed in the radial clearance. The inner surface of the coupling hole and the coupling projection are arranged such that the circumferential buffer portions are compressed to deform in the circumferential direction whereby to allow the buffer portions to be brought into contact with each other when the rotary shaft is rotating. | 2014-08-21 |
20140232248 | CONTROLLED ATMOSPHERE WORKSTATION - There is provided a method for initiating a sleeve evacuation process in a controlled atmosphere workstation that comprises a chamber, at least one porthole that may be opened for enabling a user to access the chamber, and a sleeve secured to the least one porthole. The method involves placing the hand of a user within the sleeve with the sleeve engaging the forearm of the user, and initiating the sleeve evacuation process in response to the hand and forearm within the sleeve. In an embodiment of the invention the user forms a fist and moves the fist towards the porthole. This creates a pressure increase that can be detected to initiate the evacuation process. Alternatively the user may wear on his or her hand or forearm an element such as a magnetic element or an RFID chip that can be detected at the porthole to begin the evacuation process. | 2014-08-21 |
20140232249 | PROTECTION DEVICE FOR HVAC UNITS - This disclosure is related to protective devices that can protect and secure various structures. The structures can be disposed on a horizontally disposed surface or a vertically disposed surface. The protection devices can comprise protective cage and protective gate members. The protection devices can also include securing members to prevent the protective cage and gate members from being opened. | 2014-08-21 |
20140232250 | REFRIGERATOR HAVING DOUBLE DOORS - A refrigerator is disclosed. The disclosed refrigerator includes a body having a storage chamber, a first door pivotably provided at a front side of the body, to open or close the storage chamber, the first door having an opening, and at least one door pocket provided at the opening, a second door pivotably provided at a front side of the first door, to open or close the opening, the second door pivoting in the same direction as the first door, a first upper hinge and a first lower hinge respectively coupled to upper and lower surfaces of the body, to pivotably support the first door, and a second upper hinge and a second lower hinge respectively coupled to upper and lower surfaces of the first door, to pivotably support the second door. | 2014-08-21 |
20140232251 | REFRIGERATOR HAVING DOUBLE DOORS - A refrigerator includes a first door that is rotatably provided so as to open/close a storage compartment, a second door that is rotatably provided in the front of the first door so as to open/close the first door, and a door anti-opening unit that prevents or allows opening of the second door depending on whether the first door is opened or closed. The door anti-opening unit prevents the second door from being unintentionally opened when the first door is opened. | 2014-08-21 |
20140232252 | LIQUID-COOLED LED LAMP - An electrical device, preferably a light bulb having an electrical base, comprises a container having a sealed interior, an electrical component contained within the sealed interior; a liquid filling the sealed interior; and a pressure relief member. The pressure relief member has an interior tubular passage. The tubular passage has an inlet which is in fluid communication with the liquid. The tubular passage is filled with liquid from the inlet partially toward an outer end of the passage. The remainder of the passage is filled with gas. The pressure relief member provides relief from increases of pressure caused by heating the liquid. Preferably, a heat sink is provided for the electrical component and contacts the liquid coolant. The pressure relief member may be located either in the sealed interior or outside of the container. | 2014-08-21 |
20140232253 | LIGHT EMITTING DIODE DEVICE - A light emitting diode device including a base, at least one light emitting diode, a bulb, and a patterned reflective layer is provided. The light emitting diode and the bulb are both disposed on the base. The bulb has a side-wall and a reflective surface, wherein the side-wall surrounds the light emitting diode and the reflective surface connected with the side-wall is located above and facing the light emitting diode. The patterned reflective layer is disposed on the reflective surface. The light emitting diode device has side-emitting effects that a user desired by the co-disposition of the patterned reflective layer and the reflective surface. | 2014-08-21 |
20140232254 | ELECTRODE CORE MATERIAL FOR SPARK PLUGS - An electrode core material that may be used in electrodes of spark plugs and other ignition devices to provide increased thermal conductivity to the electrodes. The electrode core material is a precipitate-strengthened copper alloy and includes precipitates dispersed within a copper (Cu) matrix such that the electrode core material has a multi-phase microstructure. In several exemplary embodiments, the precipitates include: particles of iron (Fe) and phosphorous, particles of beryllium, or particles of nickel and silicon. | 2014-08-21 |
20140232255 | HIGH TEMPERATURE ELECTROLYSIS GLOW DISCHARGE DEVICE - A glow discharge cell includes an electrically conductive cylindrical vessel, a hollow electrode, a cylindrical screen, a first insulator, a second insulator and a non-conductive granular material. The hollow electrode is aligned with a longitudinal axis of the cylindrical vessel and extends at least from the first end to the second end of the cylindrical vessel. The hollow electrode has an inlet, an outlet, and a plurality of slots or holes. The cylindrical screen is aligned with the longitudinal axis of the cylindrical vessel and disposed between the hollow electrode and the cylindrical vessel to form a substantially equidistant gap between the cylindrical screen and the hollow electrode. The first insulator seals the first end of the cylindrical vessel around the hollow electrode. The second insulator seals the second end of the cylindrical vessel around the hollow electrode. The non-conductive granular material is disposed within the substantially equidistant gap. | 2014-08-21 |
20140232256 | TRAVELING SPARK IGNITER - An igniter having at least two electrodes spaced from each other by an insulating member having a substantially continuous surface along a path between the electrodes. The electrodes extend substantially parallel to each other for a distance both above and below said surface. The insulating member has a channel (recess) for receiving at least a portion of a length of at least one of said electrodes below and to said surface of the insulating member. The surface of the insulating member may preferably be augmented with a conductivity enhancing agent. The insulating member and electrodes are configured so that an electric field between the electrodes at said surface does not have abrupt field intensity changes, whereby when a potential is applied to the electrodes sufficient to cause breakdown to occur between the electrodes, discharge occurs at said surface of the insulating member to define a plasma initiation region. | 2014-08-21 |
20140232257 | Light Emitting Module and Lighting Device - A light emitting module according to one embodiment includes a substrate; a light emitting body disposed on the substrate; and a phosphor layer having a first phosphor and a second phosphor which are excited by emitted light of the light emitting body. The first phosphor has a light emitting peak whose half-value width is 20 nm or less in a wavelength range from 610 nm to less than 650 nm, and the second phosphor has the light emitting peak in the wavelength range between a peak wavelength of a light emitting spectrum of the light emitting body and the peak wavelength of the light emitting spectrum of the first phosphor. Then, a distribution of the first phosphor in the phosphor layer has density gradient, where the density of the first phosphor increases toward at least one end of the phosphor layer in a direction perpendicular to the substrate. | 2014-08-21 |
20140232258 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF - An organic light-emitting display apparatus and a method of manufacturing the same are disclosed. An organic light-emitting display apparatus including a substrate, a display unit on the substrate, an encapsulation substrate on the display unit, a sealing member on an edge of the display unit, the sealing member being for bonding the substrate and the encapsulation substrate together, and a filling material filled between the display unit and the encapsulation substrate is disclosed. The filling material has a non-uniform dispersion of fillers such that an amount of the fillers in a first region closer to the display unit is higher than an amount of the fillers in a second region closer to the encapsulation substrate. | 2014-08-21 |
20140232259 | LIGHT-EMITTING CIRCUIT AND LUMINAIRE - According to one embodiment, a light-emitting circuit including a substrate, a plurality of light-emitting portions, and a luminous intensity distribution control member is provided. A plurality of the light-emitting portions are arranged apart from each other on the substrate. A plurality of the light-emitting portions each have a plurality of light-emitting elements and a color mixing unit. A plurality of the light-emitting elements radiate light. The color mixing unit combines the lights sealing a plurality of the light-emitting elements and radiated from a plurality of the light-emitting elements. The luminous intensity distribution control member includes a plurality of lenses provided corresponding to a plurality of the light-emitting portions, respectively, provided so that respective lights radiated from a plurality of the light-emitting portions enter a plurality of the lenses respectively, and configured to control the luminous intensity distribution of the light-emitting portions. | 2014-08-21 |
20140232260 | DISCHARGE LAMP - The invention describes a discharge lamp ( | 2014-08-21 |
20140232261 | CERAMIC DISCHARGE VESSEL AND RELATED LAMP AND METHOD OF MANUFACTURING SUCH A VESSEL - A ceramic discharge vessel for discharge lamps is provided, with a central main part which extends between the tips of two electrodes and which is essentially tubular and with two ends for fixing and sealing an electrode system, wherein the ceramic discharge vessel has a longitudinal axis and wherein the main part consists of two halves which are connected in the middle of the main part wherein the two halves are frustoconically shaped with a draft angle p of 0.5°≦p≦7.0°. | 2014-08-21 |
20140232262 | Portable light with spectrum control means - A portable light with spectrum control means which allows the user to adjust the output spectrum manually and conveniently. The portable light includes compact housing with waterproof design and excellent heat dissipation, and it is preferably powered by batteries. A light source with multiple light-emitting units is aligned with light mixing and projecting components to produce light with uniform and consistent output synthetic spectra. Peripheral components, such as tactile switch, potentiometer, etc., and the electrical control circuit work together to respond to the user's actions to adjust the spectrum of the output light. The power management module regulates the electrical output of the power source to maintain a consistent light output as the power source drains. | 2014-08-21 |
20140232263 | SYMMETRICAL INDUCTIVELY COUPLED PLASMA SOURCE WITH SIDE RF FEEDS AND SPIRAL COIL ANTENNA - A plasma reactor has an overhead multiple coil antennas including a parallel spiral coil antenna and symmetric and radial RF feeds and cylindrical RF shielding around the symmetric and radial RF feeds. The radial RF feeds are symmetrically fed to the plasma source. | 2014-08-21 |
20140232264 | HIGH-FREQUENCY RADIATION PLUG - An aim of the present invention is, in a plug for high frequency emission disposed at an end of a casing having an emission antenna, to suppress a high frequency noise emitted from the emission antenna. The present invention is directed to a plug for high frequency emission including a transmission line for transmitting an electromagnetic wave, an emission antenna for emitting the electromagnetic wave supplied via the transmission line, and a casing constituted by a cylindrical shaped conductor, provided with the emission antenna at one end of the casing, and accommodating therein the transmission line extending from the emission antenna toward the other end of the casing. Inside of the casing, a central conductor electrically connected to the emission antenna and an outer conductor spaced apart from and surrounding the central conductor are embedded in an insulator so as to collectively constitute the transmission line, and the outer conductor is disposed in and held in non-contact with the casing. | 2014-08-21 |
20140232265 | VEHICLE LIGHT DISTRIBUTION CONTROL DEVICE AND VEHICLE LIGHT DISTRIBUTION CONTROL METHOD - When occurrence of a failure associated with light distribution control has been detected during high beam irradiation, a low beam irradiation direction is changed upward and then the high beam irradiation is stopped, and subsequently the low beam irradiation direction is gradually returned downward. The time during high beam irradiation includes the time during which variable high beam light distribution control in which part of high beam light is shielded by a shade is being executed. | 2014-08-21 |
20140232266 | ADJUSTABLE NON-DISSIPATIVE VOLTAGE BOOSTING SNUBBER NETWORK FOR ACHIEVING LARGE BOOST VOLTAGES - This disclosure describes a non-dissipative snubber circuit configured to boost a voltage applied to a load after the load's impedance rises rapidly. The voltage boost can thereby cause more rapid current ramping after a decrease in power delivery to the load which results from the load impedance rise. In particular, the snubber can comprise a combination of a unidirectional switch, a voltage multiplier, and a current limiter. In some cases, these components can be a diode, voltage doubler, and an inductor, respectively. | 2014-08-21 |
20140232267 | Workspace lighting system - A modular lighting system for lighting a work area is disclosed. The system includes a power supply with power outlets for powering LED fixtures. The power supply preferably operates at or below a fixed power output level, such as to illuminate the work area using less than 0.2 Watts per square foot of energy. The lighting system also includes an occupancy sensor and/or a light level sensor for controlling lighting levels in the work area in response to detection of a person, ambient light levels and/or a combination thereof. The lighting system can also include computer unit with a micro-processor and a memory unit for running software or firmware the executes lighting programs, stores light usage histories and/or provides system reports to a remote computer by a wireless means and/or over a computer network. | 2014-08-21 |
20140232268 | LIGHTING DEVICE AND LIGHTING FIXTURE - The lighting device according to the present invention includes a power supply circuit, a temperature detection circuit, and a temperature control circuit. The power supply circuit supplies operation power to a light source including a solid state light emitting device. The temperature detection circuit measures a surrounding temperature of the light source and outputs the measured surrounding temperature as a detection temperature. The temperature control circuit determines whether an increase rate of the surrounding temperature exceeds a predetermined criterion value. When determining that the increase rate exceeds the criterion value, the temperature control circuit performs a process of decreasing a temperature of the light source. | 2014-08-21 |
20140232269 | Sound Adaptive Cooling System for a Stage Light - A sound adapting luminaire produces an amount of cooling output that depends on the ambient sound. When the ambient sound is high, the lamp is cooled more aggressively, since more fan noise is acceptable. | 2014-08-21 |
20140232270 | LED DRIVING DEVICE AND LED LIGHTING APPARATUS - The present invention supplies desired DC output power to a first LED load and a second LED load whose color temperature is different from that of the first LED load, includes a switching element, ripple current reducers series-connected to the respective LED loads and for reducing current ripples flowing through the LED loads, and a control circuit for controlling the DC output power so that it has a predetermined value, by performing on-off control of the switching element based on a feedback voltage at a connecting point between each of the LED loads and a corresponding one of the ripple current reducers. Each ripple current reducer has feedback-type constant current control circuits for performing control for varying impedance, and the present invention also includes color controllers for performing color control by maintaining a total LED current value of the first and second LED loads at a certain value. | 2014-08-21 |
20140232271 | VOLTAGE SUPPLY ARRANGEMENT AND METHOD FOR SUPPLYING VOLTAGE TO AN ELECTRICAL LOAD WITH TRANSISTOR SATURATION CONTROL - A voltage supply arrangement for driving an electrical load, particularly a light-emitting diode, comprises a driver circuit ( | 2014-08-21 |
20140232272 | LED LIGHTING SYSTEM - A controller for a system is provided. The controller includes an intelligent control having a memory and a wireless transceiver. The controller is synced with a system, such as a lighting system, wirelessly. The wireless connection provides constant feedback between the controller and the system such that the controller is able to control operation of the system, to receive feedback from the system, and to receive updates based on changes to the system. The system includes modular components that may be easily configurable and changeable. The modular components are automatically identified by the system and the new information is automatically sent to the controller to update the controller of a change to the system. | 2014-08-21 |
20140232273 | CONTROL METHOD FOR INFORMATION APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM - A control method according to the present disclosure causes a computer of an information apparatus to: display a display screen representing a floor plan for one floor including at least two or more rooms; display device icons representing the one or more target devices on the display screen representing the floor plan, an illumination icon representing an illumination device being used in common in one or more rooms included in the floor plan; and output to the network a first control command, when selection of the illumination icon is sensed, and when selection of any region within a first room among the at least two or more rooms included in the floor plan is sensed after the selection of the illumination icon is sensed, the first control command controlling on/off of power for an illumination device corresponding to the first room in which the selection is sensed. | 2014-08-21 |
20140232274 | CALIBRATED ENERGY TRANSFER - Apparatuses, methods, kits, and systems relating to applying electromagnetic energy to an object located at least partially in an energy application zone are disclosed. Some apparatuses may include a processor configured to determine a preliminary amount of energy to be dissipated in the object and determine a corrected amount of energy based on the preliminary amount of energy and calibration information. The processor may be further configured to cause a source to transfer energy to the energy application zone and determine an amount of delivered energy, based on an amount of energy returned from the energy application zone and an amount of energy supplied to the energy application zone. The processor may also be configured to cause the source to transfer energy to the energy application zone at least until the amount of delivered energy equals the corrected amount of energy. | 2014-08-21 |
20140232275 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display that includes a display panel, a power supply and a coupling member. The display panel includes scan lines, data lines, first power lines and a plurality of pixels. The power supply is positioned at the outside of the display panel, and supplies first power to the display panel through a coupling member. The coupling member includes first and second coupling portions respectively coupled to the power lines, first and second coupling lines transmitting the first power supplied from the power supply to the respective first and second coupling portions, and a feedback line transmitting the voltage of the second coupling portion to the power supply. Accordingly, it is possible to provide an organic light emitting display capable of precisely controlling the voltage of output power and preventing the deterioration of the luminance of a display panel. | 2014-08-21 |
20140232276 | LIGHT-EMITTING PANEL, DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - Disclosed herein is a light-emitting panel including: an organic electroluminescence element adapted to emit electroluminescence light toward a transparent substrate; a pixel circuit formed on the transparent substrate and adapted to drive the organic electroluminescence element; a color filter formed not only between the transparent substrate and organic electroluminescence element but also immediately on or above the pixel circuit; and a conductive layer formed between the pixel circuit and color filter, the conductive layer being more conductive than the color filter. | 2014-08-21 |
20140232277 | LIGHTING SOURCE AND LIGHTING APPARATUS - An LED module includes: a first LED array which includes a plurality of first LEDs connected in series and through which a first branch current flows; a second LED array which includes a plurality of second LEDs | 2014-08-21 |
20140232278 | LIGHT EMITTING DIODE DRIVER - A driver circuit for driving light emitting diodes (LEDs). The driver circuit includes: a string of LEDs divided into n groups, the n groups of LEDs being electrically connected to each other in series, a downstream end of group m−1 being electrically connected to the upstream end of group m, where m is a positive number equal to or less than n. The driver circuit also includes a plurality of current regulating circuits, each of the current regulating circuits being coupled to the downstream end of a corresponding group at one end and coupled to the ground at the other end and including a sensor amplifier and a cascode having first and second transistors, each sensor amplifier being coupled to a different voltage source for providing a different reference voltage thereto. | 2014-08-21 |
20140232279 | SUPPLEMENTAL LOAD CIRCUIT FOR LOW POWER TRAFFIC LAMPS - The present disclosure provides a supplemental load circuit configured to provide a supplemental power consumption to enable a lamp unit operating at a low power consumption to operate with a traffic controller configured to test for a higher power consumption. The supplemental load circuit includes a load, power input circuitry configured to receive a DC power signal from the lamp unit, and a control switch configured to receive a control signal having a duty cycle from the lamp unit. The control switch is configured to control application of the DC power signal to the load by the power input circuitry based on the duty cycle of the control signal. The present disclosure also provides a method for enabling a lamp unit to operate with a traffic controller designed for higher power lamp units. | 2014-08-21 |
20140232280 | Rectifying Circuit and Power Supply Circuit - According to one embodiment, a rectifying circuit includes a diode, a switching element, a capacitor and an auxiliary winding. The diode is connected between a first terminal and a second terminal while a direction directed from the second terminal to the first terminal is a forward direction. The switching element includes a first main electrode connected to the first terminal, a second main electrode connected to a cathode of the diode, and a gate electrode connected to an anode of the diode. The auxiliary winding is magnetically coupled to an inductor. The auxiliary winding is connected to the gate electrode through the capacitor, and is connected to the second main electrode of the switching element and the cathode of the diode. | 2014-08-21 |
20140232281 | Rectifier Circuit and Power Source Circuit - According to an embodiment, a rectifier circuit includes a first diode, a switching element, and a second diode. The first diode is connected between a first terminal and a second terminal so that a direction toward the first terminal from the second terminal is in a forward direction. The switching element has a first main electrode connected to the first terminal, a second main electrode connected to a cathode of the first diode, and a gate electrode connected to an anode of the first diode. The second diode is connected in parallel with respect to the switching element so that a direction toward the first terminal from the cathode of the first diode is in a forward direction, between the first main electrode and the second main electrode of the switching element. | 2014-08-21 |
20140232282 | RESONANT CONVERTER - Consistent with an example embodiment, a resonant converter comprises a signalling transformer that is used to transfer information between the secondary winding and primary winding of the converter whilst maintaining mains isolation between the two sides. In the embodiment, according to the disclosure, the use of a signalling transformer (in addition to a switching, or resonant, transformer) eliminates the need for an opto-coupler to transfer information and so allows for the construction of a simpler, more reliable and/or cheaper resonant converter. Other embodiments described herein may be suitable for use in dimmable LED driver applications, for example. | 2014-08-21 |
20140232283 | DIRECTION INDICATING APPARATUS - To provide a direction indicating apparatus that is less susceptible to a change of a power supply voltage and can reduce the difference in brightness of a direction indicating lamp using an LED element between a direction indicating operation and a hazard operation. A direction indicating apparatus includes a pulse signal generating part, a first switching element, a variable resistor circuit, a direction indicating switch, a hazard switch, first and second direction indicating lamps, a voltage detecting part and a lighting status detecting part. | 2014-08-21 |
20140232284 | LED DRIVE CIRCUIT WITH A PROGRAMMABLE INPUT FOR LED LIGHTING - A LED drive circuit according to the present invention comprises a controller and a programmable signal. The controller generates a switching signal coupled to switch a magnetic device for generating an output current to drive a plurality of LEDs. The programmable signal is coupled to regulate a current-control signal of the controller. The switching signal is modulated in response to the current-control signal for regulating the output current, and the level of the output current is correlated to the current-control signal. | 2014-08-21 |
20140232285 | DIRECTION INDICATING APPARATUS - To provide a direction indicating apparatus that does not detect a break occurring in an indicator but can detect a break occurring in a direction indicating lamp incorporating an LED element with reliability. The direction indicating apparatus includes a pulse signal generating part, a first switching element, a direction indicating switch, first and second direction indicating lamp units, a break detecting part, a lighting state detecting part, an indicator part and an indicator driving part. | 2014-08-21 |
20140232286 | ELECTRONIC BALLAST - The present invention discloses an electronic ballast for operating a gas discharge lamp which includes (i) a rectifier bridge circuit; (ii) a power factor correction (PFC) network that includes an electrolytic capacitor that charges by means of a circuit comprised by an inductor, diode and capacitor; and (iii) a switched inverter circuit that converts rectified DC voltage to a high frequency current AC voltage. The electronic circuit has a switch that switches on the aforementioned electronic elements making the (PFC) circuit consume energy continuously from the network, while the electrolytic capacitor remains connected to the voltage of the rectifier bridge, through the inductor and the diode, even if the inductor has no energy stored. From the storage capacitor the inverter is powered by a constant voltage and noise-free, allowing the inverter to power the luminous load properly. | 2014-08-21 |
20140232287 | DUAL-MODE DIMMING OF A LIGHT - A lighting apparatus includes at least one light emitting device, such as one or more LEDs, detection circuitry coupled to a power input of the lighting apparatus and arranged to detect a characteristic of a modulation of the power input, supervisory circuitry, such as a processor, coupled to the detection circuitry, and a network interface, coupled to the supervisory circuitry, to communicate over a network. The supervisory circuitry is adapted to receive a message that includes brightness information over the network, receive information regarding the characteristic of the modulation of the power input from the detection circuitry, and control a brightness of the at least one light emitting device based on the brightness information and the information regarding the characteristic modulation of the power input. | 2014-08-21 |
20140232288 | SOLID STATE LIGHTING APPARATUSES AND RELATED METHODS - Solid state lighting apparatuses are adapted to operate with alternating current (AC) received directly from an AC power source. An exemplary apparatus includes a substrate and multiple sets of one or more solid state light emitters disposed over the substrate. Multiple sets of solid state light emitters can be configured to be activated and/or deactivated at different times relevant to one another during portions of an AC cycle, and may optionally have different duty cycles. Emitter configurations, color combinations, and/or circuit components may reduce perceivable flicker, color shifts, and/or spatial variations in luminous flux. Color temperature and/or beam pattern may be adjusted. Multiple emitters may be arranged along non-coplanar substrate portions. | 2014-08-21 |
20140232289 | SOLID STATE LIGHTING APPARATUSES AND RELATED METHODS - Solid state lighting apparatuses and related methods are described. In certain embodiments, a solid state lighting apparatus adapted to operate with alternating current (AC) received from an AC power source is provided. The lighting apparatus can include a substrate and an array of solid state light emitters arranged on or supported by the substrate. Multiple solid state light emitter sets of the array can be arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle. The lighting apparatus can also include at least one reflective structure arranged between one or more solid state light emitters and at least one driver circuit component, to reduce or eliminate absorption by the driver circuit component(s) of light generated by the solid state light emitter(s). | 2014-08-21 |
20140232290 | MULTI-POWER LEVEL COMPACT FLUORESCENT LAMP ASSEMBLY - Provided is a light assembly including a bulb, a lamp base enclosure having circuitry therein configured to supply power to the bulb, and an integrated and dial electrically coupled to the bulb and the lamp base. The dial is operable for selecting one of a plurality of predetermined power settings for the light assembly prior to installation. | 2014-08-21 |
20140232291 | Semiconductor Device - A semiconductor device includes a transistor, a light-emitting element, a first wiring, a driver circuit having a function of controlling the potential of the first wiring, a second wiring, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, and a second capacitor. One of a source and a drain of the transistor is connected to the light-emitting element. With this structure, voltage applied between the source and the gate of the transistor can be corrected in anticipation of variations in threshold voltage, so that the current supplied to the light-emitting element can be corrected. | 2014-08-21 |
20140232292 | ILLUMINATION TECHNIQUES AND DEVICES - Illumination techniques and related devices are disclosed. In some cases, a lighting device configured as described herein may include a front luminaire configured to emit white light and a back luminaire configured to emit colored light. The lighting device can be operatively coupled with controller circuitry programmed or otherwise configured, for example, with one or more algorithms which control the light output of the front and/or back luminaire so as to provide tunability. In some cases, device output may be controlled so as to: (1) simulate lighting conditions/patterns corresponding to the daytime/nighttime on Earth; (2) support/alter physiological processes; and/or (3) provide a specific ambient lighting for a given space. In some instances, a system of multiple such lighting devices can be provided, and in some cases, communication between constituent lighting devices may be provided. In some instances, the lighting device may be mountable as a sconce or other lighting fixture. | 2014-08-21 |
20140232293 | LIGHT-EMITTING DEVICE PACKAGE - The present application provides a light-emitting device package. The light-emitting device package includes a package substrate includes at least one via hole. A light-emitting device is mounted on the package substrate so as to overlap with the via hole. A bonding layer is formed between the light-emitting device and the package substrate and includes a eutectic bonding material. | 2014-08-21 |
20140232294 | LIGHTING CONTROL SYSTEMS - A lighting control system and apparatus that may be utilized with aquariums are provided. The light control system and apparatus may be utilized with various lighting fixtures. The lighting control system and apparatus provides easy control over different lighting fixtures comprising various lighting sources. In addition, a user may program various lighting characteristics and effects such as the turn on or turn off date and time, the color, the brightness, the power supplied to the lighting fixtures via different user interfaces by using different user systems. Further, multiple lighting control systems may operate seamlessly together. | 2014-08-21 |
20140232295 | LED DRIVING DEVICE - An LED driving device has a first constant current source circuit and a voltage control circuit. The first constant current source outputs a first constant current to a first node and the first constant current flows into a first LED module disposed between a driving node and the first node; wherein, the first constant current source circuit has a first detection node for generating a first detection signal in response to the voltage level of the first node. The voltage control circuit is coupled to the first detection node, for outputting a control signal in response to the first detection signal to a voltage regulator circuit in order to control and modulate the voltage regulator circuit to output a driving voltage to the driving node. | 2014-08-21 |
20140232296 | LED Device with Voltage-Limiting Unit and Voltage-Equalizing and Current Limiting Resistances - The present invention provides a LED device with voltage-limiting unit and voltage-equalizing and current-limiting resistances, in which a LED is connected in parallel with a voltage-limiting unit, and a current-limiting resistance is connected in series between the LED and the voltage-limiting unit, and two ends of each LED are connected in parallel with an voltage-equalizing resistance for forming a light-emitting unit, so that a light-emitting unit set can be structured through connecting two or more than two of the mentioned light-emitting units in series or in series-parallel in the same polarity; with the two ends of each LED being connected in parallel with the voltage-equalizing resistance, the end voltage of each light-emitting unit can be evenly stabilized; and the current-limiting resistance is connected in series between the connection joints of the LED and the voltage-limiting unit for limiting the shunt current passing through the voltage-limiting unit. | 2014-08-21 |
20140232297 | SOLID STATE LIGHTING SWITCHES AND FIXTURES PROVIDING DIMMING AND COLOR CONTROL - A solid state lighting switch can include a first input control that can be configured to adjust a dimming indication or color indication for a solid state lighting fixture that is configured for coupling to the solid state lighting switch. A selective linking mechanism can be configured to activate a linked mode of operation of the switch to link the dimming indication to the color indication or to activate an unlinked mode of operation of the switch to unlink the dimming indication from the color indication. | 2014-08-21 |
20140232298 | A LIGHT CONTROL SYSTEM FOR USE WITHIN A HOSPITAL ENVIRONMENT - The invention relates to a control sys tem ( | 2014-08-21 |
20140232299 | ELECTRICAL LIGHTING SYSTEM POWER CONTROL - A network switch ( | 2014-08-21 |
20140232300 | VIBRATION MEMBER DRIVING CIRCUIT - A vibration member driving circuit causes vibrations in a vibration member at least including an electro-mechanical energy conversion element and an elastic body by applying alternating voltage to the electro-mechanical energy conversion element fixed to the elastic body. The vibration member driving circuit includes an inductor and capacitor serially connected to the electro-mechanical energy conversion element. 0.73*fm2014-08-21 | |
20140232301 | METHOD AND DEVICE FOR CHARGING A BATTERY OF AN ELECTRICAL DRIVE USING COMPONENTS OF THE ELECTRICAL DRIVE - The invention relates to a multi-stage charging device for a battery of a battery operated electrical motor. The multistage charging device comprises a buck converter, an intermediate circuit and a boost converter in order to generate a suitable direct charging current from a (one or three-phase) alternating current provided by a power connection. According to the invention, components of the electrical drive are used for the boost converter and the intermediate circuit: the electrical motor functions as an intermediate circuit and the drive converter functions as a boost converter. According to the invention, the coupling of the electrical motor to the network-side buck converter occurs so that at least half the charging current flows through at least one of the at least three coils of the electrical drive. The invention further relates to a corresponding method and to a corresponding use of the drive components. | 2014-08-21 |
20140232302 | BATTERY PROCESSING APPARATUS, VEHICLE, BATTERY PROCESSING METHOD, AND BATTERY PROCESSING PROGRAM - A battery processing apparatus includes a chargeable and dischargable battery storing electric power to be supplied to a motor for driving a wheel, and a controller performing discharge allowing processing of switching from a second state in which discharge from the battery to a load is not allowed to a first state in which the discharge from the battery to the load is allowed upon reception of on a discharge allowing signal in an overcharged state of the battery in which charge of the battery is suppressed due to an electric storage amount in the battery. | 2014-08-21 |
20140232303 | DRIVE UNIT AND METHOD FOR OPERATING THE DRIVE UNIT - A drive unit for operating a device, in particular a device in a vehicle and a method for operating a drive unit are provided. An electrical drive assembly and a break assembly are combined and arranged together in a common housing. The breaking assembly could be a mechanical breaking assembly or an electrical break assembly. The break assembly automatically locks the shaft of the electrical drive assembly and thus provides self-locking capabilities. | 2014-08-21 |
20140232304 | ROTARY ELECTRICAL MACHINE CONTROL DEVICE - Regenerated power fed from a rotary electric machine is immediately reduced where connection between an electric machine and a DC power source is blocked. An inverter control section controls the inverter by controlling an armature current in a two-axis orthogonal coordinate system that rotates in synchronization with the rotary electric machine, the armature current being a vector obtained by synthesizing a field current and a drive current extending along respective axes of the orthogonal coordinate system. If it is determined that connection between the DC power source section and the inverter is in a blocked state, the inverter control section executes zero-torque control in which the inverter is controlled such that torque regenerated by the rotary electric machine becomes zero, and executes high-loss control in which the field current is varied so as to increase the armature current while maintaining a torque command provided in the zero-torque control. | 2014-08-21 |
20140232305 | METHOD FOR CONTROLLING A MULTIPHASE MACHINE - A method is described for controlling a multiphase machine which is connected to a battery, the multiphase machine having a DC link which is provided with a DC link capacitor, phase windings, and a high side switch and a low side switch for each phase. The switches associated with the individual phases are controlled by a control unit in such a way that sinusoidal phase currents are predefined, at least one phase current is connected at any point in time in each control cycle, and a fixed, pulsed control pattern is present for each control cycle. The control widths of the actuating signals associated with the phases are constant in the pulsed control pattern. The control pulses associated with the individual phases are predefined in such a way that the DC link current which arises is minimized. | 2014-08-21 |
20140232306 | MAGNET FLUX AMOUNT ESTIMATION DEVICE, ABNORMAL DEMAGNETIZE DETERMINATION DEVICE, SYNCHRONOUS MOTOR DRIVING DEVICE, AND ELECTRIC MOTOR CAR - According to one embodiment, a magnet flux amount estimation device includes a magnetic pole position detector configured to detect a magnetic pole position of a permanent magnet synchronous motor including a permanent magnet within a rotor; an inductance-equivalent value determination module configured to determine an inductance-equivalent value of a d-axis corresponding to a determined magnetic pole direction; and a magnet flux amount estimator configured to calculate an estimation value of a magnet flux amount of the permanent magnet, based on the inductance-equivalent value. | 2014-08-21 |
20140232307 | VECTOR CONTROL DEVICE FOR ELECTRIC MOTOR, ELECTRIC MOTOR, VEHICLE DRIVE SYSTEM, AND VECTOR CONTROL METHOD FOR ELECTRIC MOTOR - A vector control device includes a vector control unit computing an output voltage output from the electric power converter according to vector control based on torque command and flux command and generating a PWM signal for controlling the electric power converter based on the output voltage, a first flux-command generation unit generating a flux command for asynchronous PWM mode, and a second flux-command generation unit generating a flux command for synchronous PWM mode. When an output frequency of the electric power converter is lower than a predetermined value, a flux command generated by the first flux-command generation unit is input to the vector control unit, and when the output frequency of the electric power converter is equal to or higher than a predetermined value, a flux command generated by the second flux-command generation unit is input to the vector control unit. | 2014-08-21 |
20140232308 | INVERTER APPARATUS - An object of the present invention is to achieve stable inverter control by means of current detection using one current sensor in all of periods in which overmodulation control is performed. An inverter controller includes a γ-axis current calculation section that holds, in advance, a γ-axis current arithmetic expression including a direct current as a parameter, and calculates a γ-axis current using a direct current detected by a current sensor for the γ-axis current arithmetic expression. | 2014-08-21 |
20140232309 | POWER CONVERTER - In a power converter, vibration and noise of a motor due to pulsation of a direct current link voltage are reduced. An inverter circuit is provided, which is configured to convert a direct current link voltage having a pulsating component to an alternating current to output the alternating current to a permanent magnet synchronous motor. A controller is provided, which is configured to control the inverter circuit by vector control and which, in a control state in which fundamental voltage vectors do not include a zero vector (voltage vector for which a motor terminal voltage is zero), performs such control that the phase of a resultant voltage vector of a d-axis voltage vector and a q-axis voltage vector of the permanent magnet synchronous motor varies depending on pulsation. | 2014-08-21 |
20140232310 | SYSTEM AND METHOD FOR CONTROLLING A SINUSOIDAL-DRIVE BRUSHLESS DC ELECTRIC MOTOR FOR AN AUTOMOTIVE POWER ACTUATOR - A control system ( | 2014-08-21 |
20140232311 | Method and System for Determining the Position of a Synchronous Motor's Rotor - To establish an initial/resting position of a permanent magnet rotor, all motor stator windings are stimulated (voltage applied thereto) in sequence, the time it takes for current in the stimulated stator winding to rise to a specific current value is measured for each stator winding and these time measurement results processed. From the measured time results rotor position to within 60 degrees is determined and the position sector is known prior to starting/rotating the motor. Once the rotor position is known, the next commutation point in a six step sequence is known before actually starting/rotating the motor. Position measurement winding stimulation may be interleaved with commutation pulses, or the unexcited stator winding may be stimulated between commutation pulses to the other two excited stator, wherein one of the two stator windings remains connected to the power and provides a current return path to the unexcited but stimulated stator winding. | 2014-08-21 |
20140232312 | METHOD FOR STARTING A WASHING MACHINE ELECTRIC MOTOR - The present invention relates to a method for starting a washing machine electric motor and, more particularly, an adaptive method for starting a washing machine electric motor, which is especially able to control the firing angle (preferably during the centrifugation cycles) of the voltage cycles depending on the electrical supply voltage and its possible and unpredictable variations and/or oscillations. Such firing angle control of the electrical supply voltage of the electric motor comprises a dynamic control based on the result of the comparisons in the previous steps, and is performed by generating at least one additional correction signal (ASC) based on the result of the comparison between the actual value of the electrical supply voltage of the electric motor and at least one predetermined reference value, and the additional correction signal (ASC) being responsible for controlling the firing angle of the electrical supply voltage of the electric motor. | 2014-08-21 |
20140232313 | Reduced Size Power Inverter Suitable for a Vehicle - A power inverter comprises at least a box-shaped housing; and a power module, a smoothing capacitor, a base plate made of a flat plate, and a rotating electric machine control circuit board arranged in order in the housing. The base plate is arranged with the fringes fixed to the inner wall surfaces of the housing, and the smoothing capacitor and rotating electric machine control circuit board are fixed. | 2014-08-21 |
20140232314 | CONTROL DEVICE FOR ROTARY MACHINE AND INDUCTANCE MEASUREMENT METHOD FOR ROTARY MACHINE - A control device for rotary machine includes: a voltage instruction generation section for generating a voltage instruction; a voltage application section for applying voltage to a rotary machine based on the voltage instruction; a current detection section for detecting rotary machine current of the rotary machine; and an inductance calculation section for calculating an inductance of the rotary machine from the voltage instruction and the rotary machine current. The voltage instruction generation section generates voltage instructions of constant DC voltages. The voltage application section applies voltages to the rotary machine based on the voltage instructions. The inductance calculation section calculates the inductance from a voltage instruction for measurement arbitrarily selected from the voltage instructions, and the rotary machine currents detected by the current detection section before and after application of the voltage instruction for measurement. | 2014-08-21 |
20140232315 | METHOD AND SYSTEM FOR CONTROLLING INPUT VOLTAGE IN ELECTRIC CHARGES - A method and a system for controlling input voltage ( | 2014-08-21 |
20140232316 | CONTROL MODULE FOR A MOTORIZED SURGICAL TOOL, THE MODULE INCLUDING A TRIGGER SENSOR, A MOTOR ROTOR SENSOR AND A CONTROL CIRCUIT THAT ARE SEALED FROM THE AMBIENT ENVIRONMENT - A control module for a motorized powered surgical tool. The module includes a trigger sensor, a motor rotor position sensor and control circuit. The trigger sensor and motor rotor position sensor output their signals by monitoring magnetic fields associated with, respectively the trigger and the motor rotor. Based on signals from the trigger sensor and the motor rotor position sensor, the control circuit selectively applies energization signals to the windings of the motor. The module includes a shell that separates the trigger sensor, the motor rotor position sensor and the control circuit from the motor. The shell is formed from material that both shields the components within the shell from affects of the ambient environment and that allows the magnetic fields to be detected by the sensors. | 2014-08-21 |