06th week of 2011 patent applcation highlights part 18 |
Patent application number | Title | Published |
20110031818 | CIRCUIT INSTALLATION CAPABLE OF FULL VOLTAGE ACTIVATION, DIVISION VOLTAGE OPERATION AND DELAYED BREAKING - A circuit installation that executes full voltage activation, division voltage operation, and delayed breaking brake to electric load by increasing the power to the load activated to promote its activation performance or reducing operation power in the course of operation by the load to save power consumption or limit operation performance of the load. | 2011-02-10 |
20110031819 | Electrical timer apparatus and a system for disconnecting electrical power - An apparatus and system disconnects electrical power from an electrical power outlet. Specifically, the apparatus and system disconnects electrical power, such as AC power, from an electrical receptacle and a timer when the timer has expired. More specifically, the apparatus and system for disconnecting electrical power has a plurality of switches to engage a timer circuit. A first switch either engages the timer circuit or bypasses the timer circuit. Upon engaging the timer circuit, a second switch is engaged to supply power to the timer circuit for the duration of a timer. A third switch allows a user to select various timer values to set the duration of the timer. One or more indicators informs a user whether the bypass circuit is engaged or whether the timer circuit is engaged. | 2011-02-10 |
20110031820 | RENEWABLE ENERGY TRANSMISSION, GENERATION, AND UTILIZATION DEVICE AND METHOD - The power generation and transmission device and method is able to be used to harness power such as solar and/or wind power and then transmit the power to a device on the other side of a physical structure such as a house, a car, a umbrella, a tent, and an awning. | 2011-02-10 |
20110031821 | Method and Apparatus for Implementation of a Wireless Power Supply - An apparatus, for wirelessly powering a device having an enclosure for a charge storage component, includes a wireless power supply which fits into the enclosure. The apparatus includes an antenna connected to the wireless power supply. A battery. A cell phone cover for a cell phone. A headphone. A wireless power adapter for a DC jack. Alternatively, the apparatus includes a substrate having discrete components and integrated circuits disposed in the device. A method for wirelessly powering a device having an enclosure for a charge storage component. | 2011-02-10 |
20110031822 | VOICE COIL MOTOR FOR DRIVING LENS - Voice coil motor includes a housing shell, a fixing member, a movable member and elastic members. The fixing member includes a bracket and a number of first magnetic members retained on the bracket. The movable member includes a retainer and a number of second magnetic members mounted thereon. One of the first or the second magnetic member includes a first permanent magnet and a second permanent magnet abutting against the first permanent magnet, with each of the first and second permanent magnets including an N polarity side and an S polarity side. A pair of the first and second permanent magnets facing the same other one of the first and second magnetic members with only the N polarity side of the first permanent magnet and only the S polarity side of the second permanent magnet facing the same the other one of the first and second magnetic member. | 2011-02-10 |
20110031823 | PLASTIC ELEMENT - The invention reduces vibration in a plastic element used in an electrical drive. The plastic element has a baseplate, at least two commutator brush boxes leading to a shaft passage channel which passes through the baseplate, and a bearing seat which is connected to the baseplate via at least one supporting arm for holding a shaft bearing. The invention provides for the entire contact area of the supporting arm with the baseplate to be arranged at a lateral distance from the commutator brush boxes. | 2011-02-10 |
20110031824 | GEAR MOTOR INCLUDING A COMPACT MULTIPLE-PHASE ELECTRIC MOTOR - The invention relates to a gear motor including a multiple-phase electric motor formed by a stator portion excited by electric coils and by a rotor having N pairs of poles radially magnetised in alternating directions, the stator portion including two angular sectors alpha- | 2011-02-10 |
20110031825 | POWER TOOL - A power tool includes a motor housing, a motor, a motor-side terminal, a switch block, and a switch-side terminal provided on the switch block to be connected to the motor-side terminal. A hollow tubular member is provided on one of the motor housing and the switch block and extends in a longitudinal direction of the motor housing, and a fitting member is provided on the other of the motor housing and the switch block and fitted in the tubular member. The motor-side terminal and the switch-side terminal are connected to each other within a hollow of the tubular member. As long as the motor-side terminal and the switch-side terminal are at least connected to each other, the tubular member and the fitting member are held in the fitted state so that a connection between the terminals is isolated from the outside of the tubular member. | 2011-02-10 |
20110031826 | PERMANENT MAGNET MACHINE AND ROTOR - A permanent magnet machine is disclosed. The permanent magnet machine includes a stator, and a rotor comprising a rotor core and disposed outside and concentric with the stator, wherein the rotor core comprises a contiguous volume disposed around a plurality of permanent magnets, wherein the contiguous volume simultaneously supports a magnetic flux generated by the permanent magnets and provides mechanical support and containment for the permanent magnets, during operation of the permanent magnet machine. A rotor for a permanent magnet electric machine is also disclosed. | 2011-02-10 |
20110031827 | ENERGY STORAGE DEVICE COMPRISING A FLYWHEEL - Energy storage device comprising a flywheel a stator arrangement and a housing. | 2011-02-10 |
20110031828 | E-Z tent trailler lift model #2B - The E-Z Tent Trailer Lift Model #2B (hereafter referred to as the E-Z Lift in this document) consists of a roller chain and sprocket-reduction drive, operated by a reversible 12V DC gear head motor, controlled by a two-way switch with an interior cut-off switch to prevent tampering. Powered by on-board or towing vehicle 12V batteries. The 12V gear head motor is reversible to provide for clockwise action to raise the tent portion of the pop-up trailer and counter clockwise to lower it. | 2011-02-10 |
20110031829 | DRIVE UNIT HAVING AT LEAST ONE TRANSMISSION STAGE - In a drive unit having at least one transmission stage (Ü) and one drive element ( | 2011-02-10 |
20110031830 | ELECTRIC MOTOR FOR USE IN HAZARDOUS ENVIRONMENTS - An electric motor is provided that is configured for operation in hazardous or other hazardous environments. The electric motor includes a housing for a rotor and a stator. The housing includes a pair of end caps and a casing positioned therebetween. The end caps and the casing are held together using internal tie bars extending between and connected to the end caps. | 2011-02-10 |
20110031831 | HOUSING ATTACHMENT FOR AN ELECTRICAL MACHINE TO INGRESS PROTECTION CLASS IP 24W - A housing attachment for an electric machine is constructed in compliance with protection class IP 23 and includes a first projected edge disposed at a first border wall such that water located in the middle section at the first border wall drips off no later than at the first projected edge and is led directly or indirectly to the first air inlet opening. Proximate to the first air inlet opening are first laminates which deflect incoming air flowing into the feed air channel to a second edge area. Proximate to the second air outlet opening are second laminates that impart to the flow direction of the outgoing air leaving the outlet air channel a component directed to the top of the electric machine. Third laminates are disposed in an end area of the outlet air channel to deflect the outlet air flowing in the outlet air channel away from the top of the electric machine. | 2011-02-10 |
20110031832 | FAN SEAT STRUCTURE - A fan seat structure includes a seat and a snap-fitting member. The seat is formed on a top with a supporting face, from where a bearing cup is upward extended; and a portion of the seat corresponding to the bearing cup is formed into a central passage. The snap-fitting member is assembled to the seat at the central passage, and is integrally formed with a hollow tubular section upward extended toward the bearing cup; and a limiting section and a pressure-proof section are integrally provided in the hollow tubular section. With the snap-fitting member, a cooling fan can have simplified structure and be more stably and reliably assembled, ensuring the cooling fan to have enhanced performance and be manufactured at reduced time, labor and cost. | 2011-02-10 |
20110031833 | Motor and driving device for recording disk - A motor includes a sleeve supporting a shaft such that an upper end of the shaft protrudes upwardly along an axial direction, a sleeve housing in which an outer diameter portion of the sleeve is inserted and supported, an oil sealing cap covering the sleeve at an opposite side of the sleeve housing, and having a sealing protrusion protruding from a top surface thereof to form a capillary seal of oil between the shaft and the sleeve, and a hub base pressure-fitted and fixed on the upper end of the shaft, and having a hub-base outer diameter portion facing the sealing protrusion and forming a first oil sealing part with the sealing protrusion. | 2011-02-10 |
20110031834 | MOTOR - A motor is disclosed. In accordance with an embodiment of the present invention, the motor includes a rotational axis, a rotating body, which rotates together with the rotational axis as one unit, a hub having a ring-shaped body and a protruding part, in which the ring-shaped body is interposed between the rotational axis and the rotating body and the protruding part is protruded from the ring-shaped body towards the rotational axis and is in contact with the rotating body so as to extend an outer circumferential surface of the ring-shaped body coupled to the rotating body, and a housing, which supports and rotates the rotational axis, in which the housing having a supporting part is interposed between the rotational axis and the protruding part of the hub and supports the rotational axis. Thus, the rotor can be safely supported, providing the rotational stability of the rotor. | 2011-02-10 |
20110031835 | MOTOR - An automated manual transmission comprises a hydraulic pump and a motor for driving the hydraulic pump. The motor comprises a stator and a rotor rotatably mounted to the stator, the stator comprising a housing and a motor end cap fixed to the housing, the rotor comprising a rotatable shaft rotatably supported by a bearing which is installed to the end cap. The bearing comprises an inner race, an outer race, rollers disposed between the inner race and the outer race, and roll holder for holding the rollers. A ring-shaped seal member is arranged at one axial end of the bearing to seal the gap between the inner race and outer race. The end cap is molded at outer peripheral surface of the outer race. | 2011-02-10 |
20110031836 | Rotational machine, method for the determination of a tilting of a rotor of a rotational machine, as well as a processing plant - The invention relates to a rotational machine adapted as a bearing-free engine including a stator ( | 2011-02-10 |
20110031837 | MAGNETIC COUPLING DEVICE - A reduced-size magnetic coupling device includes a first magnet group having a plurality of first magnets arranged on an interaction surface at equal intervals in the direction of the circumference about the rotation axis; a second magnet group having a plurality of second magnets arranged on an interaction surface at equal intervals in the direction of the circumference about the rotation axis and in positions in the vicinity of the rotation axis; and a third magnet group having a plurality of third magnets that are arranged at equal intervals in the circumferential direction about the rotation axis and in positions outward with respect to the second magnets. The third magnets have an area approximately equal to that of the second magnets. Each third magnet has a magnetic pole different from that of the second magnet that is positioned between the third magnet and the rotation axis. | 2011-02-10 |
20110031838 | ELECTRIC MACHINE WITH SINGLE STATOR AND TWO MUTUALLY INDEPENDENT ROTORS, AND ROAD VEHICLE PROVIDED WITH SAID ELECTRIC MACHINE - An electric machine provided with: a stator, equipped with a single stator winding; at least two shafts, which are independent of one another and are mounted so that they can turn; at least two rotors, which are independent of one another, are magnetically coupled to the stator, and are mounted on the shafts; and a single electronic power converter, which is connected to the stator winding for supplying the stator winding itself with a total electric current. | 2011-02-10 |
20110031839 | System and Method for Energy Generation - A magnetic system and related method for generating energy is described. Multiple embodiments are described having different shapes, alternative designs to receive different driving forces, varied magnetic structures, and so forth. In an example implementation, a magnetic structure may include on a single side multiple magnetic sources having different magnetic polarities. Other description herein may be directed to magnetizer printing, adaptable/adjustable correlated magnet devices, entertainment devices having correlated magnet technology, and so forth. Furthermore, description of additional magnet-related technology and example implementations thereof is included herein. | 2011-02-10 |
20110031840 | Electrical Drive Machine - In a drive system, including a stator and a rotor associated with an energy transmission system supplying energy to a load on the rotor, the drive function and the energy transmission function are largely independent of each other. A subharmonic air gap field portion is used for transmitting electric energy to a rotor winding. | 2011-02-10 |
20110031841 | Permanent Magnet Brushless Machine with Magnetic Flux Regulation - A permanent magnet machine (PMM) comprises: a generally cylindrical permanent magnet (PM) rotor that comprises multiple PM rotor poles arranged around a rotor axis of rotation; and a stator with two generally cylindrical and concentric yokes, an inner yoke proximate the PM rotor with associated multiple inner poles and inner armature windings suitable for multiphase alternating current operation that form a PMM magnetic flux circuit, an outer yoke with associated multiple outer poles and outer control windings suitable for connection to a direct current source, with distal ends of the outer poles in contact with the inner yoke to form an external magnetic flux circuit that diverts magnetic flux from the PMM magnetic flux circuit; wherein application of increasing direct current to the outer windings results in increased magnetic reluctance of the external magnetic flux circuit, thereby causing the external magnetic flux circuit to divert less magnetic flux from the PMM magnetic flux circuit. | 2011-02-10 |
20110031842 | COMPONENT FOR AN ELECTRIC MACHINE - A component for an electric machine includes a spool having a main body portion provided with a first end portion that extends substantially uninterrupted to a second end portion through an intermediate portion. A plurality of mounting elements are provided on the first end portion. A star member is operatively connected to the spool. The star member includes a main body, a plurality of flap members that extend from the main body and collectively define a central opening, and a plurality of mounting members that extend into the central opening. The plurality of mounting members engage with corresponding ones of the plurality of mounting elements to detachably mount the star member to the first end portion of the spool. | 2011-02-10 |
20110031843 | Permanent Magnet Machine with Different Pole Arc Angles - An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux. Asymmetry is achieved by placing adjacent permanent magnets or magnet sets on the rotor periphery with different rotor magnetic pole arc angles. | 2011-02-10 |
20110031844 | ELECTROSTATIC GENERATOR/MOTOR CONFIGURATIONS - Electrostatic generators/motors designs are provided that include a stator fixedly connected to a first central support centered about a central axis. The stator elements are attached to the first central support. Similarly, a second stator is connected to a central support centered about the central axis, and the second stator has stator elements attached to the second central support. A rotor is located between the first stator and the second stator and includes an outer support, where the rotor is rotatably centered about the central axis, the rotor having elements in contact with the outer support, each rotor element having an extending rotor portion that extends radially from the outer support toward the axis of rotation. | 2011-02-10 |
20110031845 | ELECTRET AND ELECTROSTATIC INDUCTION CONVERSION DEVICE - To provide an electret having a high surface voltage, and an electrostatic induction conversion device comprising such an electret. | 2011-02-10 |
20110031846 | WAKE-UP UNIT FOR WAKING UP AN ELECTRONIC DEVICE AND METHOD OF WAKING UP AN ELECTRONIC DEVICE - A wake-up unit for waking up an electronic device is provided. The wake-up unit comprises a resonating unit (C) for resonating at least one specific frequency, at least one first electrode (TE), at least one piezoelectric material (PM) and at least one second electrode (BE). The piezoelectric material (PM) is sandwiched between the at least one first and the at least one second electrode (TE, BE) such that an electronic current is provided to the at least one first and at least one second electrode (TE, BE) when the resonating unit (C) resonates at the at least one specific frequency. | 2011-02-10 |
20110031847 | LINEAR DRIVE ULTRASONIC MOTOR - There is provided a linear drive ultrasonic motor which is capable of achieving a stable thrust, and which has fewer restrictions regarding a relationship with an external apparatus. | 2011-02-10 |
20110031848 | MULTILAYERED PIEZOELECTRIC ELEMENT AND ULTRASONIC MOTOR - A multilayered piezoelectric element is manufactured as follows. First and second internal electrode regions including power supply extracting portions are separately formed in a plurality of piezoelectric members. A shrink matching region is separately formed between the extracting portions of the first and second internal electrode regions. The multilayered piezoelectric element is manufactured by stacking and sintering the plurality of piezoelectric members into a rectangular shape. | 2011-02-10 |
20110031849 | ELECTRICITY-GENERATING APPARATUS FOR BICYCLE - An electricity-generating apparatus for bicycle includes a holder and an induction assembly. The holder is adapted to be connected to a bicycle fork. The induction assembly detachably screws to the holder. The induction assembly comprises an outer sleeve. The outer sleeve coaxially receives an insulating sleeve, an iron core and a rod. The insulating sleeve is wound by an induction coil electrically connected to the rod and the outer sleeve. At least one magnet is adapted to be engaged with the bicycle spokes for being adapted to induce a magnetic environment around the induction coil. Therefore, the induction assembly generates electricity. | 2011-02-10 |
20110031850 | Structure of Rotation Detector-Equipped Motor and a Manufacturing Method Thereof - A motor is provided with a rotation detector including a detection rotor and a detection stator placed to face the detection rotor. The motor further includes a motor case and a motor shaft protruding out of the motor case. The detection rotor is fixed to an end of the motor shaft. The detection rotor includes a plate and a coil provided on the plate. The plate is fixed to the end of the motor shaft. Specifically, the motor shaft includes an opening in the end. The plate has a circular disc shape and a cylindrical portion protruding in the center from the back side. The cylindrical portion is press-fitted in the opening of the motor shaft to fix the plate to the end of the motor shaft. | 2011-02-10 |
20110031851 | ELECTRIC MOTOR - A shaft is adapted to be inserted through a circuit apparatus without a need for disassembling a shaft side sensor device from an end part of the shaft to place the shaft side sensor device in an opposed relationship to a circuit board side sensor device at a location adjacent to the circuit board side sensor device. The shaft side sensor device forms a sensor apparatus in cooperation with the circuit board side sensor device to sense a rotational angle of the rotor. | 2011-02-10 |
20110031852 | Labels for canned nuts - The labels for canned nuts include a preprinted wrapper label dimensioned to exactly fit around a conventional standard size can of nuts. Short witty sayings such as “Go NUTS—it's your birthday” or “I'm just NUTS about you” are inscribed on the label along with cartoon-type characters and nutritional information concerning the ingredients of the nuts. Also included is a greeting-card type top label, which top label is configured to fit the circular lid of the can. The top label is designed to open up similar to a greeting card and may optionally be provided with pop-ups and/or musical recordings. The rear surfaces of the wrapper label and top label are coated with an adhesive to enhance attachment to the can. A replica of a house, to be dubbed “The Nut House”, is contemplated for displaying the labels and toppers. | 2011-02-10 |
20110031853 | ELECTRONIC DEVICE WITH SUPPORT MECHANISM - An electronic device includes a main body including a housing. The housing includes a side plate and a bottom plate connected to the side plate. An opening is defined in the side plate. A perforation is defined in the bottom plate. The opening is in alignment with the perforation. A support mechanism is mounted on the inside of the housing and includes a guide pole fixed to the bottom plate, a first threaded pole screwed onto the guide pole, and penetrating the perforation, a second threaded pole screwed onto the guide pole; and an adjusting wheel fixed to the second threaded pole, and located on the opening of the side plate. A portion of the adjusting wheel is exposed from the housing. A support base is fixed to the portion of the first threaded pole exposed from the housing. | 2011-02-10 |
20110031854 | Medicine/cosmetic cabinet with pivoting mirror assembly - A medicine/cosmetic cabinet recess or surface mounted with a framed door with a separately hinged mirror inset. A front door frame assembly with a pivoting mirror laid within the door framing provides 2-way access to a storage space within which may have adjustable shelving. | 2011-02-10 |
20110031855 | WASHER - The present invention relates to a washer ( | 2011-02-10 |
20110031856 | HOUSEHOLD APPLIANCE, PARTICULARLY DISHWASHER - A household appliance including an appliance door and a container to receive goods to be treated. The container has a container opening that is closed by the appliance door. The household appliance further includes stiffeners that are associated, at least in sections, with the container opening. The stiffeners increase the rigidity of the container in a region of the container opening and have a centering element by which the appliance door is aligned with the container opening when the appliance door is closed. The stiffeners and the centering element are made of a uniform material and/or embodied in one piece as a plastic profile part. | 2011-02-10 |
20110031857 | FURNITURE ITEM - The invention relates to an item of furniture including a furniture body, a furniture part which is displaceably received in or on the furniture body, and an ejection device having at least one ejection element for displacing the moveable furniture part from a closed position into a first open position. At least one lockable drive device is provided for driving the at least one ejection element. The invention is characterized by means for displacing the at least one ejection element beyond the first open position. | 2011-02-10 |
20110031858 | ELASTICITY MODULE, SLIDE OPENING/CLOSING APPARATUS AND PORTABLE APPLIANCE UTILIZING THE ELASTICITY MODULE - An elasticity module suitable to be used as a spring of a slide opening/closing apparatus of mobile devices such as wireless phone, PDA, PMP, portable game machine, electronic scheduler is provided. The elasticity module includes: a spring arm portion comprising first and second spring arms combined so as to have a sliding zone in which at least parts of them latch each other slidingly in an overlapped position; and a spring disposed between the first and second spring arms for applying an elasticity to in-between the first and second spring arms by an elastic deformation through the first spring arm's translation against the second spring arm over at least a part of the sliding zone, which can use a variety of springs, in which a moving range is larger for a size of the spring and it is easy to adjust the magnitude of the elasticity, which it is able to adjust the magnitude of the elasticity for a same size, which is stable in operation, which is tough against a vertical force, and which enables the slide cover open by two steps or vertically with the elasticity module. | 2011-02-10 |
20110031859 | DRAWER ASSEMBLY LOCKING MECHANISM - A cabinet is fitted with a locking assembly suited for simultaneously locking or unlocking all of the drawers retained within the cabinet assembly. The locking assembly includes a primary actuation assembly, accessible from the exterior of the cabinet which engages a secondary actuation assembly. The secondary actuation assembly defines a plurality of lip elements which are displaceable intermediate the glide assembly which is associated with each drawer of the cabinet. In a closed, locked condition the lip elements are displaced in front of the glide elements thereby forming an obstacle to the lateral displacement of the glide assembly thereby precluding the outward withdrawal of the drawer from its retained position within the cabinet. In an open position, the lip elements are displaced to a position outside of the travel path of the glide assembly whereby they do not impede the operation of those glide assemblies. | 2011-02-10 |
20110031860 | CONNECTOR HOUSING STRUCTURE - A connector housing structure includes a case defining an open end on at least one side thereof and having a plurality of partitioning plates vertically erected therein, and the partitioning plates each having an end facing toward and corresponding to the open end; a plurality of central elastic leaves being provided at the end of the partitioning plates facing toward the open end; and a fastening frame being fitted around the open end of the case and internally provided with a plurality of supporting posts separately corresponding to a free end of the central elastic leaves. With the fastening frame fitted around the open end of the case, the central elastic leaves can be stably held in place, and the case can have increased structural strength and be more easily manufactured at reduced cost. | 2011-02-10 |
20110031861 | CRYOGENIC INSULATION ATTACHMENT - An attachment means of insulation within a container to prevent heat leakage from the ambient to an apparatus located within the container that operates at a cryogenic temperature. | 2011-02-10 |
20110031862 | SHELVING UNIT, IN PARTICULAR FOR REFRIGERATED INSTALLATIONS - A shelving unit for a cabinet, for example a refrigerator or similar cabinet, including a panel supporting articles and a frame or part of a frame gripping the panel by its actual surrounding part, the frame arranged to allow the shelving unit to be mounted in a chassis of the cabinet. At least one securing member for the panel is provided in its bottom part, the securing member includes a rider configured to overlap a protuberance or rib of the frame, extending along and beyond the panel and, in a pressed-in position, bearing by its internal end against the panel. | 2011-02-10 |
20110031863 | REFRIGERATING APPLIANCE WITH A HEIGHT-ADJUSTABLE STORAGE DEVICE - A refrigerating appliance having a housing that encloses an interior space; a storage device; a gear mechanism to adjustably guide the storage device in the interior space between a high position and a low position; and a brake that is assigned to the gear mechanism to selectively dampen a movement of the storage device from the high position into the low position. | 2011-02-10 |
20110031864 | THERMALLY CONDUCTIVE MOUNTING ELEMENT FOR ATTACHMENT OF PRINTED CIRCUIT BOARD TO HEAT SINK - An arrangement for heat dissipation for a heat generating electrical component ( | 2011-02-10 |
20110031865 | LIGHT EMITTING DEVICE PACKAGES WITH IMPROVED HEAT TRANSFER - Packages containing one or more light emitting devices, such as light emitting diodes (LEDs), are disclosed. In one embodiment, LED package can include a thermal element having improved solder reliability to improve heat dissipation capacity of the LED package. LED package can include a molded plastic body having one or more LEDs attached to one or more electrical elements. The LEDs can be connected to an upper surface of the thermal element. The thermal element can include a bottom surface which can extend further away in distance from a body of the LED package than a bottom surface of the electrical element. This configuration can result in an improved connection between the LED package and an external circuitry source, thereby increasing heat transfer ability of the LED package. | 2011-02-10 |
20110031866 | PLASMA RADIATION SOURCE, METHOD OF FORMING PLASMA RADIATION, APPARATUS FOR PROJECTING A PATTERN FROM A PATTERNING DEVICE ONTO A SUBSTRATE AND DEVICE MANUFACTURING METHOD - A patterned beam of radiation is projected onto a substrate. A reflective optical element is used to help form the radiation beam from radiation emitted from a plasma region of a plasma source. In the plasma source, a plasma current is generated in the plasma region. To reduce damage to the reflective optical element, a magnetic field is applied in the plasma region with at least a component directed along a direction of the plasma current. This axial magnetic field helps limit the collapse of the Z-pinch region of the plasma. By limiting the collapse, the number of fast ions emitted may be reduced. | 2011-02-10 |
20110031867 | HIGH FREQUENCY TRIODE-TYPE FIELD EMISSION DEVICE AND PROCESS FOR MANUFACTURING THE SAME - Disclosed herein is a triode-type field emission device, in particular for high frequency applications, having a cathode electrode, an anode electrode spaced from the cathode electrode, a control gate electrode arranged between the anode electrode and the cathode electrode, and at least a field-emitting tip; the cathode, control gate and anode electrodes overlapping in a triode area at the field-emitting tip and being operable to cooperate with the field-emitting tip for generation of an electron beam in the triode area. The cathode, control gate and anode electrodes do not overlap outside the triode area, and have a main direction of extension along a respective line; each of these respective lines being inclined at a non-zero angle with respect to each one of the others. | 2011-02-10 |
20110031868 | SYSTEM FOR PROVIDING THERMAL ENERGY RADIATION DETECTABLE BY A THERMAL IMAGING UNIT - In accordance with an aspect of the invention, there is provided a thermal radiation marker ( | 2011-02-10 |
20110031869 | COMPOUND HID ELECTRIC ARC TUBE - A composite High Intensity Discharge (“HID”) arc tube includes a discharge tube and two outwardly extending tubes. The discharge tube is a composite two-layer shell with an outer of fused quartz glass or Vycor quartz glass, and a layer of translucent polycrystalline alumina (“PCA”). The outwardly extending tubes are made of fused quartz glass or Vycor quartz glass, and a layer of polycrystalline alumina is applied at ends of the outwardly extending tubes close to an arc chamber. After the arc tube is sintered at a high temperature, the electrode is sealed by being separated into two segments. The first segment of the outward extending tube applied with PCA is sealed by glass solders, and the second segment of quartz glass is sealed by a molybdenum foil under pressure. | 2011-02-10 |
20110031870 | Convenient-used Energy-saving ceiling lamp - A convenient-used energy-saving ceiling lamp comprises a lamp base, a lamp head, a ballast, a light tube, a lampshade and a lamp holder. The lamp holder is directly mounted on the lamp base. The ballast is made to form a concave or hollow area in the center of it, which is big enough to allow the lamp head to be mounted in there and to be plugged easily into the lamp holder, thereby reducing the whole height of the light tube. The light tube is connected with the ballast via ribs. The lamp head and lamp holder can use the screw type, bayonet type, double-ended bayonet type applied in glow starters, and pin type plug and socket applied in double D type ordinary light tubes. The obvious advantage is the convenience to install, use and maintain it. | 2011-02-10 |
20110031871 | LAMPS WITH REPLACEABLE COVERS - A lamp includes a main body and a removable cover, and the main body includes a lamp housing, a printed circuit board (PCB), at least one light emitting element, and a threaded base. The lamp housing defines a socket configured for receiving the PCB and the at least one light emitting element, and the PCB is electrically connected to the at least one light emitting element and fixed in the socket. The removable cover includes a light-transmission portion and a connection portion, the connection portion connects to the end of the lamp housing with the socket, and the light-transmission portion is opposite to the socket. Light from the at least one light emitting element is emitted from the light-transmission portion. | 2011-02-10 |
20110031872 | DISPLAY FILTER AND PLASMA DISPLAY PANEL INCLUDING THE SAME - A display filter includes a base film disposed on a display panel. The base film includes a phototransmissive unit having a constant horizontal cross-sectional area, and a light absorbing unit which includes a light absorbing material and surrounds the phototransmissive unit. A plasma display panel (PDP) may include the display filter. The display filter may improve ambient contrast by increasing the transmittance of light emitted by a display panel and by blocking externally incident light. | 2011-02-10 |
20110031873 | SURFACE LIGHT-EMITTING DEVICE - A surface light-emitting element and a surface light-emitting device using the surface light-emitting element are provided, the surface light-emitting element being capable of radiating light emitted from the surface light-emitting element to the side of the surface light-emitting device. The surface light-emitting device according to the present invention includes: polygonal transparent substrate | 2011-02-10 |
20110031874 | LIGHT EMITTING APPARATUS - A red nitride phosphor of formula (I) or (II), and two green phosphors of formulas (III) and/or (IV) are included. | 2011-02-10 |
20110031875 | High-molecule-based organic light-emitting diode and fabrication method thereof - The present invention discloses a high-molecule-based organic light-emitting diode (OLED) and a fabrication method thereof. The high-molecule-based OLED comprises a layer selected from a group consisting of an organic emissive layer, a first emission-auxiliary layer and a second emission-auxiliary layer. The organic emissive layer, first emission-auxiliary layer or second emission-auxiliary layer comprises a molecular material having a molecular weight of larger than approximately 730 g mol | 2011-02-10 |
20110031876 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode (OLED) display device is provided. The OLED display device according to an embodiment of this document may comprise a substrate and a number of unit pixels placed over the substrate. Each of the unit pixels comprises emission layers each interposed between first electrodes and a second electrode. The unit pixel further comprises three subpixels emitting respective pieces of light of red, green, and blue. Each of two or less of the three subpixels may comprise a translucent reflection layer. | 2011-02-10 |
20110031877 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND DISPLAY DEVICE USING THE SAME - An organic electroluminescence element includes: a pair of electrodes; and an organic light emitting functional layer structured as a multilayer structure made of an organic material held between the pair of electrodes, and containing at least one of a material represented by the general formula (1), and a material represented by the general formula (2) in the multilayer structure. | 2011-02-10 |
20110031878 | HIGH EFFICIENCY DISCHARGE LAMP - A high pressure gas discharge lamp | 2011-02-10 |
20110031879 | STREET LIGHTING LAMP WITH LONG LIFE, HIGH EFFICIENCY, AND HIGH LUMEN MAINTENANCE - A lamp includes a discharge vessel and electrodes extending into the discharge vessel. The lamp further includes an ionizable fill sealed within the vessel. The fill includes an inert gas and a halide component. The halide component includes a sodium halide, a thallium halide, at least one of a calcium halide and a strontium halide, and at least one of a rare earth halide. The rare earth halide is selected from the group consisting of lanthanum, cerium, praseodymium, samarium and neodymium, and combinations thereof. | 2011-02-10 |
20110031880 | STREET LIGHTING LAMP WITH LONG LIFE, HIGH EFFICIENCY, AND HIGH LUMEN MAINTENANCE - A lamp includes a discharge vessel and electrodes extending into the discharge vessel. The lamp further includes an ionizable fill sealed within the vessel. The fill includes an inert gas and a halide component. The halide component includes a sodium halide, a thallium halide, at least one of a calcium halide and a strontium halide, and at least one of a rare earth halide. The rare earth (RE) halide is selected from the group consisting of lanthanum, cerium, praseodymium, samarium and neodymium, and combinations thereof. The fill establishes a Na/RE ratio of 8≦Na/RE≦48. | 2011-02-10 |
20110031881 | ELECTRICAL WALL OUTLET WITH LED INDICATOR - An electrical wall outlet comprises an insulating cover portion, LEDs, and a pair of magnetic electrodes. The insulating cover portion encloses outlet electrodes of the wall outlet. The one or more outlet electrodes are ferrous. The LEDs are disposed on the front surface of the insulating cover portion. The pair of magnetic electrodes are disposed on the rear surface of the insulating cover portion, extending from a pair of common terminals of the LEDs that are disposed on the insulating cover portion, toward to one of the one or more outlet electrodes of the electrical wall outlet. The pair of magnetic electrodes are flexible to bend. Also, the pair of magnetic electrodes are resilient to recover when the insulating cover portion is plucked out. | 2011-02-10 |
20110031882 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor that controls a current to be supplied to a light-emitting element from a power supply line, an electrical continuity portion that electrically connects the drive transistor with the light-emitting element, an initializing transistor that is turned ON to diode-connect the drive transistor, and a connecting portion that electrically connects the drive transistor with the initializing transistor. The power supply line including a first portion extending in a first direction and a second portion extending in a second direction that crosses the first direction. The connecting portion being positioned in an area between the first and second power supply lines in plan view. | 2011-02-10 |
20110031883 | PLASMA DISPLAY APPARATUS TO REDUCE EMI EMISSION - A plasma display apparatus having a coupling structure between a base chassis and a spread sheet to reduce EMI emission is provided. The plasma display apparatus includes a panel, a driving circuit, a base chassis, a spread sheet, and a conductive gasket through which the spread sheet is coupled to the base chassis. | 2011-02-10 |
20110031884 | VEHICLE LAMP - A vehicle lamp includes a semiconductor light emitting device as a light source, a power supply module configured to supply electric power from a power source to the semiconductor light emitting device, and a housing in which the power supply module is accommodated. The semiconductor light emitting device is mounted on the power supply module. The power supply module comprises a current control circuit configured to control an amount of current supplied to the semiconductor light emitting device. The semiconductor light emitting device and the current control circuit are arranged to overlap each other in a direction of an optical axis of the semiconductor light emitting device. | 2011-02-10 |
20110031885 | LIGHT ARRANGEMENT, METHOD FOR OPERATING A LIGHT ARRANGEMENT AND A MOTOR VEHICLE - The invention relates to a light arrangement, comprising a motor vehicle light which can be operated in at least two operating modes, as well as further comprising a control mechanism for the motor vehicle light. The invention further relates to a method for operating a motor vehicle light and a motor vehicle. | 2011-02-10 |
20110031886 | PLASMA APPARATUS USING A VALVE - Provided is a plasma apparatus using a valve, which comprises a discharge device with an electrode exposed to the combustion chamber installed in a cylinder head, an antenna installed on the valve face of a valve head, an electromagnetic wave transmission line installed in a valve stem with one end connected to the antenna and the other end covered with an insulator or dielectric and extending to a power-receiving portion positioned at a location fitting into the guide hole in the valve stem, and an electromagnetic wave generator for feeding an electromagnetic waves to the power-receiving portion. At the compression stroke when the combustion chamber side opening of an intake port or an exhaust port is closed with the valve head, discharge is generated with the electrode of the discharge device and the electromagnetic waves fed from the electromagnetic wave generator through the electromagnetic wave transmission line are radiated from the antenna. | 2011-02-10 |
20110031887 | LED LIGHTING SYSTEM - An illumination apparatus includes a LED assembly having a plurality of LED modules and a substrate. Each LED module includes an anode and a cathode. The substrate is generally planar and defined by a first side and a second side with the LED modules extending from the first side. The second side is defined by a heat dissipation surface, and wherein the first side is opposite the second side. The apparatus also includes a heat sink having a plurality of fins for heat dissipation. A heat input surface portion of the heat sink is bonded to the heat dissipation surface of the LED assembly. The apparatus further includes a control system for supplying electrical energy to the LED assembly, wherein the electrical energy is pulse width modulated. | 2011-02-10 |
20110031888 | METHODS AND APPARATUS FOR CONTROLLING RESPECTIVE LOAD CURRENTS OF MULTIPLE SERIES-CONNECTED LOADS - A lighting apparatus ( | 2011-02-10 |
20110031889 | AC-POWERED LED LIGHTING SYSTEM - The present invention relates to an AC-powered LED lighting system made in implementing AC-driven LED lightings that are achieved without the use of a dedicated circuit configuration such as SMPS, etc., but with the help of a simplified rectifier circuit and through adjustment of the number of LEDs. To this end, there is provided a lighting system composed of LED lightings, for which an LED module where LEDs are mounted is driven by an external AC input power. Here, an AC-powered LED lighting system comprises: a power source part receiving AC power from outside for use as a drive source of the system; a rectifying part rectifying the input power by a bridge rectifier circuit; and a LED driving part configured with a plurality of serially connected LEDs in correspondence to the input power, the LED driving part receiving rectified power from the rectifying part to drive the LEDs by a target voltage. | 2011-02-10 |
20110031890 | LED EMULATION OF INCANDESCENT BULB BRIGHTNESS AND COLOR RESPONSE TO VARYING POWER INPUT AND DIMMER CIRCUIT THEREFOR - A lighting system is disclosed. The lighting system includes a first lighting module and a second lighting module connected parallel to the first lighting module. The first lighting module generates light at a first color temperature and the second lighting module generates light at a second color temperature. The first lighting module has a first activation voltage and the second lighting module has a second activation voltage. The two lighting modules generate light when the current flow through them. When input voltage is changed, not only does the amount of current flowing through the two modules change, but also ratio of the amount of current flowing through the two lighting modules changes. The change in the ratio changes the color temperature of the light produced by the lighting system which is a combination of the light produced by the two modules. | 2011-02-10 |
20110031891 | LIGHT EMITTING DEVICE FOR AC POWER OPERATION - Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power source, resulting in short light emission time during a ½ cycle and the occurrence of a flicker effect. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 2011-02-10 |
20110031892 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device ( | 2011-02-10 |
20110031893 | SEMICONDUCTOR LIGHT EMITTING DEVICE UTILISING PUNCH-THROUGH EFFECTS - A light emitting device ( | 2011-02-10 |
20110031894 | LIGHTING DEVICE HAVING FIRST, SECOND AND THIRD GROUPS OF SOLID STATE LIGHT EMITTERS, AND LIGHTING ARRANGEMENT - A lighting device comprising first, second and third groups of solid state light emitters, the first group emitting light having a dominant wavelength of 430 to 490 nm, the second group at 525 to 575 (in some devices 540 to 575 nm), the third group at 610 to 640 nm. In some devices, wavelength of light from emitters in first and second groups, and light from second and third groups, differs by at least 70 nm. Some devices emit light having CRI Ra of at least 70 when first, second and third groups of emitters are illuminated. Also, a lighting arrangement comprising first, second and third groups as above, in addition to a fourth emitter emitting light of dominant wavelength outside the ranges for the first, second and third groups, and not more than 10 nm different from a dominant wavelength of a color on an item to be illuminated. | 2011-02-10 |
20110031895 | LIGHT EMITTING DIODE (LED) DRIVING CIRCUIT - A light emitting diode (LED) driving circuit is provided. The LED driving circuit includes a voltage adjusting unit, a switch unit, and a control unit. The control unit is coupled to the voltage adjusting unit and the switch unit. The voltage adjusting unit outputs a driving voltage to a first end of each of a plurality of load units. The switch unit is coupled to a second end of each of the load units. When one LED string in the load units is coupled to a current source, the voltage adjusting unit adjusts the voltage level of the driving voltage so that the voltage level of the driving voltage of the driving voltage corresponds to the driven LED string. Thereby, a driving problem caused by the variation in electrical characteristics of the LEDs is alleviated. | 2011-02-10 |
20110031896 | LIGHTING DEVICE FOR LIGHTING THE AIRFIELD OF AN AIRPORT - The invention relates to a lighting device ( | 2011-02-10 |
20110031897 | LIGHTING SYSTEMS AND METHODS OF AUTO-COMMISSIONING - A lighting system for areal illumination is disclosed which includes a remote driver and a plurality of fixtures including luminaires, control devices, and/or standalone sensors. The luminaires include a light source whose output light level can be adjusted, a light sensor co-located therewith adapted to measure light received from adjacent fixtures, and a microcontroller capable of transmitting the output of the light sensor over wires to the remote driver. The remote driver is capable of bidirectional communication with the luminaires and provides independently controllable power for the light sources of the luminaires. A method of commissioning a lighting system is also disclosed which includes installing a plurality of luminaires above the area to be illuminated, causing a light source co-located with each luminaire to emit a signal, detecting the signal at light sensors co-located with each luminaire, converting the signals obtained by the light sensors into distance measurements between luminaires, creating a map recording the relative location of luminaires, and assigning luminaires to groups based on their relative locations in the map. A movable orb region large enough to containing a plurality of luminaires can also be defined and the light levels of individual luminaires can be set according to a defined mathematical function of their location within the orb region, where the defined mathematical function sets light levels which vary from the center to the periphery of said orb region. | 2011-02-10 |
20110031898 | DRIVING APPARATUS AND METHOD FOR ADJUSTING DRIVE VOLTAGE - A driving apparatus includes a voltage transforming unit and a detector. The driving apparatus is used for supplying a drive voltage to a load. The voltage transforming unit is used for transforming a direct current (DC) voltage to the drive voltage. The detector is connected to the load for detecting a forward voltage across the load to generate a detecting voltage; wherein the detector compares the detecting voltage with a first reference voltage. If the detecting voltage is smaller than the first reference voltage, the detector generates a first feedback signal; the voltage transforming unit increases the drive voltage according to the first feedback signal, the detecting voltage is defined by subtraction of the forward voltage from the drive voltage. | 2011-02-10 |
20110031899 | DIMMABLE LED DEVICE WITH LOW RIPPLE CURRENT AND DRIVING CIRCUIT THEREOF - A dimmable light emitting diode (LED) device with low ripple current includes a LED module, a phase dimmer, a voltage converting module, a driving module and a feedback module. The flyback converter of the voltage converting module adds a secondary forward winding connecting to a phase cut-off detector to provide a detecting voltage in proportion to current level of the output current across the LED module. | 2011-02-10 |
20110031900 | CONTROLLER AND METHOD OF OPERATING A CONTROLLER - A controller for controlling a power generator circuit, and a method for operation such a controller, is disclosed. The invention is particularly suited to LED current generators. The current generator may be switched off to conserve power when not required for any LED circuits. The method relates to determining the time at which the controller is required to provide power, current or voltage, and to adjust the timing of switching-on of the controller, in order to ensure that power, current or voltage is available for the load when required. | 2011-02-10 |
20110031901 | LAMP HAVING SELF-REGULATED LIGHTING - A portable electric lamp comprises a lighting module with LEDs and user control means connected to an electronic control circuit to define different lighting modes. An optic sensor is housed in the casing near the light-emitting diode LED to transmit to the control circuit a signal representative of the lighting induced by the lamp to automatically regulate the power of the LED according to a predefined threshold. | 2011-02-10 |
20110031902 | INVERTER DEVICE - An object of the present invention is to provide an inverter device that can readily prevent flickering on a light emitting apparatus even when the light emission level thereof lowers. To achieve the object, an inverter device according to the present invention includes a rectifier ( | 2011-02-10 |
20110031903 | SYSTEM AND METHOD FOR ESTIMATING THE JUNCTION TEMPERATURE OF A LIGHT EMITTING DIODE - A method of estimating the junction temperature of a light emitting diode comprises driving a forward bias current through the diode, the current comprising a square wave which toggles between high and low current values (I | 2011-02-10 |
20110031904 | Shelf Supported Illuminating Display and Store Display Featuring Same - An illuminating display is arranged for support on a store shelf at the front edge thereof and features at least one illuminating display area activated by a light source and visible from a side of the display facing outward from the shelf to form an eye-catching visual display visible by browsing customers perusing the product content of the shelf. In preferred embodiments, the display is in the form of a strip dimension to fit within a price ticket channel of the shelf so as to facilitate easy and clean removal of the strip, avoid obstruction of the products displayed on the shelf and extend along the shelf to carry multiple display areas at spaced positions therealong. The display areas can present product or company names, logos or slogans, or other promotional or advertising content. | 2011-02-10 |
20110031905 | Single General Purpose Input/Output (GPIO) Pin Motor Control Circuit - System and method for operating a motor using a single general purpose input/output (GPIO) pin of a controller. In one embodiment, a control circuit may include a first terminal coupled to a GPIO pin of a controller. The first terminal can be configured to receive, and output, at least one or more signals. The control circuit may include a plurality of elements coupled to the first terminal, and motor driver circuit output terminal, such that the control circuit may be configured to output one more control signals to the motor driver circuit output terminal for control the motor driver circuit. Motor driver control signals may be based, at least in part, on one or more signals received from the first terminal. | 2011-02-10 |
20110031906 | MOTOR DRIVING DEVICE, INTEGRATED CIRCUIT DEVICE, MOTOR DEVICE, AND MOTOR DRIVING SYSTEM - A motor driving device according to the present invention includes: a serial communication unit that conducts communication through a serial communication bus, the serial communication bus including a serial data line through which serial data is transmitted and a clock line through which a clock signal is transmitted; and a drive control unit that controls a driving operation of a motor. The motor driving device is configured such that a clock signal received from the serial communication bus is used as a reference clock signal of the drive control unit. | 2011-02-10 |
20110031907 | CONTROL APPARATUS FOR ELECTRIC ROTATING MACHINE - The control apparatus controls a controlled variable of the electric rotating machine by manipulating an output voltage of a power converter circuit including switching elements operated to connect positive and negative terminals of a DC power source to corresponding terminals of the electric rotating machine. The control apparatus includes a prediction section configured to predict the controlled variable for each of a plurality of cases where the power converter circuit is set in a corresponding one of a plurality of predetermined operating states, a feedforward control section configured to set a command value of the controlled variable in accordance with the voltage of the DC power source and the electrical angular velocity of the electric rotating machine, and a manipulation section configured to select one of the predetermined operating states depending on a result of evaluation by an evaluation function receiving the predicted controlled variable and the command value. | 2011-02-10 |
20110031908 | KINETIC ENERGY COLLECTION DEVICE - A kinetic energy collection device is mounted on a vehicle body. The vehicle body includes drive disks rotated synchronously with wheels of the vehicle body. The kinetic energy collection device includes transmission units, a lift out unit, electrical generators, and an electrical storage. The transmission units are slidably mounted on the vehicle body and include friction disks. The lift out unit includes a braking controller, a pull rod connected with the braking controller, and connection rods rotatably connect the pull rod to the transmission units. The braking controller drives the pull rod to move in response to user's operations, so as to drive the connect rods to rotate, and thus to drive the friction disks of the transmission units to engage or disengage with the drive disks correspondingly. The transmission units drive the electrical generators to generate power. The electrical storage unit stores power generated by the electrical generators. | 2011-02-10 |
20110031909 | MOTOR DRIVE APPARATUS AND MOTOR DRIVE METHOD - The motor drive apparatus to perform vector control having excellent control performance on a motor includes an A/D converter which acquires currents flowing through a u-phase, a v-phase and a w-phase of the motor, a vector control unit which performs vector control on the motor based on d-axis motor current and q-axis motor current acquired by coordinate-converting the digitalized currents, a motor parameter and a desired angular speed of a motor rotor, a PWM generator which generates a PWM signal to drive the motor based on a motor voltage acquired by the vector control unit, and a parameter estimation unit which estimates a motor resistance, a d-axis motor inductance and a q-axis motor inductance in a direct current excitation state based on maximum peak values and minimum peak values of a d-axis motor voltage and a q-axis motor voltage and estimates a motor inductive voltage constant in a forced commutation control state. | 2011-02-10 |
20110031910 | CONTROL APPARATUS FOR ELECTRIC ROTATING MACHINE - The control apparatus controls a controlled variable of the electric rotating machine by manipulating an output voltage of a power converter circuit including switching elements operated at a set modulation index to connect positive and negative terminals of a DC power source to corresponding terminals of the electric rotating machine. The control apparatus includes a prediction section configured to predict the controlled variable for each of a plurality of cases where the power converter circuit is set in a corresponding one of a plurality of predetermined operating states, a manipulation section configured to determine one of the predetermined operating states depending on a result of evaluation by an evaluation function, and set the converter circuit to the determined operating state, and a feedback control section configured to feedback-control the output voltage of the power converter circuit at a target value by manipulating the input parameters of the evaluation function. | 2011-02-10 |
20110031911 | POWER FACTOR CORRECTION WITH VARIABLE BUS VOLTAGE - A controller includes a voltage determination module, a bus voltage command module, and a power factor correction (PFC) control module. The voltage determination module determines a desired direct current (DC) bus voltage for a DC bus electrically connected between a PFC module and an inverter power module that drives a compressor motor. The voltage determination module determines the desired DC bus voltage based on at least one of torque of the compressor motor, speed of the compressor motor, output power of the inverter power module, and drive input power. The bus voltage command module determines a commanded bus voltage based on the desired DC bus voltage. The PFC control module controls the PFC module to create a voltage on the DC bus that is based on the commanded bus voltage. | 2011-02-10 |
20110031912 | APPARATUS FOR DRIVING MOTOR OF AIR CONDITIONER AND METHOD FOR DRIVING THE SAME - An apparatus and method for driving a motor of an air conditioner are disclosed. A method for driving a motor of an air conditioner includes driving the motor in response to a predetermined speed command, sequentially detecting first and second mechanical angles in response to the speed command or a reference speed being spaced apart from the speed command by a predetermined range, calculating a maximum speed mechanical angle corresponding to a maximum speed ripple of the motor on the basis of the detected first and second mechanical angles, and compensating for load torque of the motor on the basis of the calculated the maximum speed mechanical angle. As a result, the speed ripple is decreased during the constant speed operation. | 2011-02-10 |
20110031913 | CONTROL DEVICE FOR CONTROLLING TRAVEL MOTOR OF VEHICLE - A control device for a travel motor mounted to a vehicle has a resolver which works as a rotation-angle sensor. The control device has a RDC which calculates a rotation-angle output value φ based on rotation detection signals Sa, Sb transferred from the resolver. The control device supplies electric power to the travel motor based on the rotation angle output value φ. The RDC calculates “sin(θ−φ)” as an error deviation ε based on the signals Sa and Sb and the rotation-angle output value φ. The RDC calculates an angular acceleration by multiplying the error deviation ε with a gain (=Ka·Kb), and integrates the angular acceleration two times in order to obtain a next rotation-angle output value. A gain control part of the RDC decreases the gain when the judgment means judges that the travel motor rotates at a constant rotation speed. | 2011-02-10 |
20110031914 | CONTROLLER AND METHOD FOR TRANSITIONING BETWEEN CONTROL ANGLES - A system includes a pulse-width modulation (PWM) module, a subtraction module, an error reducing module, and a summing module. The PWM module controls switching of an inverter that powers a motor. The PWM module controls the switching based on a first angle in a first mode and a second angle in a second mode. The subtraction module determines a difference between the first and second angles. The error reducing module (i) stores the difference when a transition from the first mode to the second mode is commanded and (ii) decreases a magnitude of the stored difference to zero. The summing module calculates a sum of the stored difference and the second angle. The PWM module controls the switching based on the sum in the second mode. | 2011-02-10 |
20110031915 | System and Apparatus for Use of a 3-Phase Motor in a Vehicle - A system and apparatus that allows the use of a 3-phase AC motor in a vehicle by associating a series capacitor with each phase winding. The capacitor can be charged through the motor winding and then switched to discharge through the winding in a resonant oscillatory mode. The capacitor values can be chosen so that the winding and capacitor in series resonates at approximately 60 Hz. Oscillations in each phase can be staggered by around 120 degrees. The charging and discharging is controlled by electronic SPDT switches that switch around 300 VAC/500 VDC at around 15 amps for each phase. With an average DC current of 20 amps from a 48 volt battery pack (four 12 volt batteries connected in series) and 75% discharge of the capacitors, the present invention can run a 7.5 HP, 3-phase, 240 VAC motor for approximately 3.5 hours or longer. A simple oscillator circuit can drive the switches at the resonant frequency. | 2011-02-10 |
20110031916 | Inverter Circuit with IPM Module for Brushless Motor - An inverter circuit for a brushless motor utilizes an IPM integrated circuit module. The module includes insulated gate bipolar transistors and has outputs for providing driving signals to the brushless motor based on control signals received at inputs from a microcontroller. A sensing circuit measures the current at the lines from the outputs of the IPM integrated circuit module to the motor. A feedback circuit processes the current measurements and provides signals corresponding to the measured current to the microcontroller. | 2011-02-10 |
20110031917 | Motor drive circuit and a method for driving a motor - A motor drive circuit includes an H-bridge circuit, voltage difference detection circuit, calibration circuit, back electromotive voltage detection circuit, control circuit, and calibration value acquisition circuit. The H-bridge circuit is connected to a DC motor. The voltage difference detection circuit outputs terminal voltage according to voltage difference occurring between both terminals of the DC motor. The calibration circuit outputs calibration voltage according to the resistance component. The back electromotive voltage detection circuit outputs voltage according to the difference between the terminal voltage and the calibration voltage, as detection voltage indicating back electromotive voltage. The control circuit drives the H-bridge circuit by pulse width modulation. The calibration circuit calibrates voltage drop occurring at the ON resistance of the low-side transistor using a calibration value that corresponds to the ratio between the resistance component and the ON resistance of the low-side transistor, and outputs calibration voltage which corresponds to the resistance component. | 2011-02-10 |