12th week of 2011 patent applcation highlights part 30 |
Patent application number | Title | Published |
20110070466 | SECONDARY BATTERY PACK PROVIDING EXCELLENT PRODUCTIVITY AND STRUCTURAL STABILITY - Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, the battery case having an open top sealed by a top cap, a protection circuit module having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member constructed in a structure in which the protection circuit module is loaded at a top of the insulative mounting member, the insulative mounting member being mounted to the top cap of the battery cell, and an insulative cap coupled to an upper end of the battery cell for covering the insulative mounting member in a state in which the protection circuit module is loaded on the insulative mounting member, wherein the top cap is provided with a pair of protrusion-type electrode terminals (a first protrusion-type electrode terminal and a second protrusion-type electrode terminal) connected to a cathode and an anode of the electrode assembly, respectively, the insulative mounting member is provided with through-holes corresponding to the protrusion-type electrode terminals, the protection circuit module is provided with through-holes corresponding to the protrusion-type electrode terminals, and the coupling of the insulative mounting member and the protection circuit module to the battery cell is achieved by successively fixedly inserting the protrusion-type electrode terminals through the through-holes of the insulative mounting member and the protection circuit module. | 2011-03-24 |
20110070467 | Battery with a plurality of flat cells forming a cell assembly - The invention relates to a battery (B) with a plurality of flat cells ( | 2011-03-24 |
20110070468 | ELECTROCHEMICAL ENERGY CELL SYSTEM - A metal halogen electrochemical energy cell system that generates an electrical potential. One embodiment of the system includes at least one cell including at least one positive electrode and at least one negative electrode, at least one electrolyte, a mixing venturi that mixes the electrolyte with a halogen reactant, and a circulation pump that conveys the electrolyte mixed with the halogen reactant through the positive electrode and across the metal electrode. Preferably, the positive electrode comprises porous carbonaceous material, the negative electrode comprises zinc, the metal comprises zinc, the halogen comprises chlorine, the electrolyte comprises an aqueous zinc-chloride electrolyte, and the halogen reactant comprises a chlorine reactant. Also, variations of the system and a method of operation for the systems. | 2011-03-24 |
20110070469 | SUPPLYING POWER FOR A MICRO SYSTEM - A micro system power supply ( | 2011-03-24 |
20110070470 | SYSTEM AND METHOD FOR ENHANCED INFORMATION HANDLING SYSTEM BATTERY SAFETY - Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes having a quenching distance that retards transfer of flames from the battery. For example, telescoping cylinder sections disposed proximate the casing of a battery cell are forced outward as a telescoping assembly when pressure within the casing exceeds a predetermined safety threshold. The flame container vents flammable gases away from other cells of the battery and may direct the vented gases to the exterior of an information handling system housing or to the interior of the housing. | 2011-03-24 |
20110070471 | RECHARGEABLE BATTERY - The present invention relates to a rechargeable battery that can use a negative electrode active material having a high volume expansion rate by receiving volume variation of an electrode assembly in a case. The rechargeable battery according to the present invention includes i) an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator that are wound in a jelly roll shape to have a flat portion and curved portions disposed at both sides of the flat portion, ii) a case for receiving the electrode assembly, and iii) a cap assembly combined with the case to close and seal the case and that is electrically connected to the electrode assembly. When a direction that is perpendicular to a surface of the separator disposed in the flat portion is set to a first direction, the thickness of the flat portion measured along the first direction is smaller than the maximum thickness of the curved portion measured along the first direction. | 2011-03-24 |
20110070472 | WATERTIGHT BATTERY COVER ASSEMBLY FOR ELECTRONIC DEVICE - A battery cover assembly is used in an electronic device. The battery cover assembly includes a main body, a battery cover, and a gasket. The main body defines a receiving cavity including a peripheral wall. The battery cover includes a frame. The gasket is assembled in the battery cover. The frame is latched in the receiving cavity, the gasket is caught between the frame and the peripheral wall. The present disclosure further discloses an electronic device using the battery cover assembly. | 2011-03-24 |
20110070473 | BATTERY OF PORTABLE ELECTRONIC DEVICE - A mobile phone battery includes a battery body and a protecting structure. The battery body includes positive and negative electric poles formed on a side wall of the battery body. The protecting structure is movably set on the battery body. The protecting structure includes a protecting piece. The protecting piece is operable to cover or expose one of the electric poles. | 2011-03-24 |
20110070474 | BATTERY MODULE OF IMPROVED SAFETY - Disclosed herein is a battery module configured in a structure in which a plurality of battery cells or unit modules (‘unit cells’) are stacked, and a heat sink is mounted to electrical connection regions between the unit cells and/or to outsides of battery module connection members connected to the electrical connection regions. | 2011-03-24 |
20110070475 | DEVICE FOR MAKING RAPID CONNECTIONS AND DISCONNECTIONS BETWEEN HIGH VOLTAGE BATTERY MODULES AND OTHER MOTOR VEHICLE SYSTEMS - A battery module for a vehicle comprises a first portion adapted to be mounted to a vehicle and a second portion mounted to a battery box. A first pair of high voltage electrical connectors is mounted to the first portion and a second pair of high voltage electrical connectors are mounted to the second portion. The first pair of high voltage electrical connectors are configured to mate with the second pair of high voltage electrical connectors. Additionally, a first general electrical connector is mounted to the first portion of the battery box and a second general electrical connector is mounted to the second portion of the battery box. The first general electrical connector is configured to mate with the second general electrical connector. | 2011-03-24 |
20110070476 | POWER STORAGE APPARATUS - A power storage apparatus includes a plurality of power storage components arranged side by side in a predetermined direction (X direction), and a spacer located between the power storage components adjacent in the predetermined direction and in contact with the power storage components. The spacer has a base material formed of resin and a blowing agent held by the base material and thermally decomposed in response to a temperature rise associated with heat generation of the power storage component. | 2011-03-24 |
20110070477 | STACK TYPE BATTERY - A penetrating portion ( | 2011-03-24 |
20110070478 | MONOBLOCK LITHIUM ION BATTERY - The present invention describes a monoblock for a plurality of lithium ion cells. The monoblock includes a case having a base and a cover dimensioned and configured to the base. The case includes a chamber that includes cell compartments for lithium cells. Each lithium cell is disposed in a leaf spring that applies compression pressure on the cell. The structural integrity of the battery and cells is maintained using internal and external anti-swelling features including a waffle pattern, backing plates, etc. A liquid and gas pressure management system is also incorporated with the case and realized by a vent plenum, check valves, bladders, bags, etc. | 2011-03-24 |
20110070479 | BATTERY MANUFACTURING METHOD AND BATTERY - A negative-electrode active material layer having an uneven pattern is formed on a surface of a copper foil as a negative-electrode current collector by applying an application liquid by a nozzle-scan coating method. Subsequently, an application liquid containing a polymer electrolyte material is applied by a spin coating method, thereby forming a solid electrolyte layer in conformity with the uneven pattern. Subsequently, an application liquid is applied by a doctor blade method, thereby forming a positive-electrode active material layer whose lower surface conforms to the unevenness and whose upper surface is substantially flat. A thin and high-performance all-solid-state battery can be produced by laminating an aluminum foil as a positive-electrode current collector before the application liquid is cured. | 2011-03-24 |
20110070480 | THREE-DIMENSIONAL MICROBATTERY AND METHOD FOR THE PRODUCTION THEREOF - A three-dimensional microbattery is disclosed, in which a depression, in which two chambers lying adjacent to one another in the substrate plane are implemented, is provided in a substrate. The active mass, which is impregnated with an electrolyte, of negative and positive electrodes is received in each of the chambers. A porous partition wall, which is impregnated with the electrolyte and prevents a passage of active electrode mass, is located between the two chambers. The free surfaces of the active mass of both electrodes and the partition wall lie in a plane with the surface of the substrate. The electrodes and the partition wall are hermetically sealed by a cover layer, which projects beyond the edge of the depression. | 2011-03-24 |
20110070481 | PROTECTIVE MATERIAL AND ENERGY STORAGE MODULE USING THE SAME - The present invention provides a protective material, which includes an acidic material and an absorbent additive. An alkaline electrolyte will be neutralized by the acidic material, and water produced from the neutralization reaction of the acidic material and the alkaline electrolyte will be absorbed by the absorbent additive. In addition, the present invention also discloses an energy storage module using the same. | 2011-03-24 |
20110070482 | GALVANIC ELEMENT HAVING FOIL SEAL - A galvanic element with a metallic foil housing which encloses at least one positive and at least one negative electrode, wherein the foil housing is sealed by a plastics foil including at least partly of a polymer which has acid groups and/or which has anhydride groups, and/or which has groups derived therefrom. | 2011-03-24 |
20110070483 | PREPARATION OF FLOW CELL BATTERY ELECTROLYTES FROM RAW MATERIALS - A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials that include sources of chromium ions and/or iron ions. The method further comprises the removal of impurities such as metal ions from those raw materials. In some embodiments, an ammonium salt may be used to remove metal impurities from an aqueous mixture of chromium ions and/or iron ions. Further provided is a redox flow battery comprising at least one electrolyte prepared from the above-identified methods. | 2011-03-24 |
20110070484 | LITHIUM PRIMARY BATTERY - A lithium primary battery includes: a negative electrode comprising lithium metal or a lithium alloy; a positive electrode including a positive electrode active material; a separator disposed between the negative electrode and the positive electrode; a carbon layer interposed between the negative electrode and the separator, the carbon layer including carbon particles and a coating on a surface of the carbon particles, the coating including a lithium carboxylate and lithium carbonate; and a non-aqueous electrolyte with a carboxylic acid concentration of 0% by weight or more and less than 0.01% by weight. | 2011-03-24 |
20110070485 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A non-aqueous electrolyte solution is provided that realizes a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable of inhibiting gas generation. | 2011-03-24 |
20110070486 | IONIC LIQUID - An object of the invention is to provide an ionic liquid having a low viscosity and low melting point, and having a high electrical conductivity and thermal stability. The ionic liquid comprises fluorosulfonyl(trifluoromethylsulfonylamide) (FTA) as an anion and a cation selected from N1111, N1112, N1113, N1122, N1133, N2221, N1224, DEME, N2222, N3333, N4444, N5555, AS44, DMI, PMI, BMI, Py11, Py12, Py14, PP11, PP12, PP13, PP14, P2222, and PS44. | 2011-03-24 |
20110070487 | NOVEL METAL AIR CATHODE MANGANESE OXIDE CONTAINED IN OCTAHEDRAL MOLECULAR SIEVE - An oxygen reduction electrode, e.g., an air cathode, comprising manganese oxides having octahedral molecular sieve structures as active catalyst materials and use of such an electrode as a component of a metal-air cell. | 2011-03-24 |
20110070488 | HIGH PERFORMANCE ELECTRODES - Techniques, arrangements and compositions are provided to incorporate nanostructured materials into electrodes for energy storage devices. Materials such as, for example, carbon nanotubes, silicon nanowires, silicon carbide nanowires, zinc nanowires, and other materials may be used to modify electrode properties such as electronic conductivity, thermal conductivity, or durability, for example. In some embodiments, nanostructured materials may be added to electrode formulations such as, for example, slurries or powders. Nanostructured materials may be deposited directly onto active material particles or electrode components. In some embodiments, coatings may be used to assist in deposition. | 2011-03-24 |
20110070489 | RETICULATED AND CONTROLLED POROSITY BATTERY STRUCTURES - The effective ionic conductivity in a composite structure is believed to decrease rapidly with volume fraction. A system, such as a bipolar device or energy storage device, has structures or components in which the diffusion length or path that electrodes or ions must traverse is minimized and the interfacial area exposed to the ions or electrons is maximized. The device includes components that can be reticulated or has a reticulated interface so that an interface area can be increased. The increased interfacial perimeter increases the available sites for reaction of ionic species. Many different reticulation patterns can be used. The aspect ratio of the reticulated features can be varied. Such bipolar devices can be fabricated by a variety of methods or procedures. A bipolar device having structures of reticulated interface can be tailored for the purposes of controlling and optimizing charge and discharge kinetics. A bipolar device having graded porosity structures can have improved transport properties because the diffusion controlling reaction kinetics can be modified. Graded porosity electrodes can be linearly or nonlinearly graded. A bipolar device having perforated structures also provides improved transport properties by removing tortuosity and reducing diffusion distance. | 2011-03-24 |
20110070490 | CARBON ELECTRODES FOR ELECTROCHEMICAL APPLICATIONS - Systems and methods are provided for producing high-surface-area three-dimensional electrodes for electrochemical applications. In one embodiment, sheets of precursor material are interleaved with sheets of a sacrificial material and then bonded to a base comprising a precursor material with a precursor bonding material. The precursor sheets, base and bonding material preferably formed from the same precursor material. The bonded structure is then pyrolyzed to create a lithium intercalating structure and remove the sacrificial material. In another embodiment, a reactive-ion etching process is used to pattern 3D structures into a sheet of precursor material. The 3D structure is then converted into a lithium intercalating structure through pyrolysis. In both embodiments, the components of the structure to be heat treated preferably comprise the same lithium intercalating precursor material. As a result, micro-scale high-aspect-ratio 3D electrode features having very fine structures can be patterned and created. | 2011-03-24 |
20110070491 | ELECTROCHEMICAL CELLS COMPRISING POROUS STRUCTURES COMPRISING SULFUR - The present invention relates to the use of porous structures comprising sulfur in electrochemical cells. Such materials may be useful, for example, in forming one or more electrodes in an electrochemical cell. For example, the systems and methods described herein may comprise the use of an electrode comprising a conductive porous support structure and a plurality of particles comprising sulfur (e.g., as an active species) substantially contained within the pores of the support structure. The inventors have unexpectedly discovered that, in some embodiments, the sizes of the pores within the porous support structure and/or the sizes of the particles within the pores can be tailored such that the contact between the electrolyte and the sulfur is enhanced, while the electrical conductivity and structural integrity of the electrode are maintained at sufficiently high levels to allow for effective operation of the cell. Also, the sizes of the pores within the porous support structures and/or the sizes of the particles within the pores can be selected such that any suitable ratio of sulfur to support material can be achieved while maintaining mechanical stability in the electrode. The inventors have also unexpectedly discovered that the use of porous support structures comprising certain materials (e.g., metals such as nickel) can lead to relatively large increases in cell performance. In some embodiments, methods for forming sulfur particles within pores of a porous support structure allow for a desired relationship between the particle size and pore size. The sizes of the pores within the porous support structure and/or the sizes of the particles within the pores can also be tailored such that the resulting electrode is able to withstand the application of an anisotropic force, while maintaining the structural integrity of the electrode. | 2011-03-24 |
20110070492 | ELECTRODE FOR A LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EQUIPPED WITH SAME - A method for producing an electrode for a lithium secondary battery according to the present invention includes (A) a step of causing a vaporized vapor deposition material to be incident on a surface of a current collector | 2011-03-24 |
20110070493 | CURRENT COLLECTORS HAVING TEXTURED COATING - A current collector and an electric double layer capacitor including a current collector. The current collector has a conductive layer with an electrode-facing surface and an opposing second surface, each surface having an area, and a textured coating formed over and in contact with at least a majority of the electrode-facing surface. | 2011-03-24 |
20110070494 | Electrochemical cells comprising porous structures comprising sulfur - The present invention relates to the use of porous structures comprising sulfur in electrochemical cells. Such materials may be useful, for example, in forming one or more electrodes in an electrochemical cell. For example, the systems and methods described herein may comprise the use of an electrode comprising a conductive porous support structure and a plurality of particles comprising sulfur (e.g., as an active species) substantially contained within the pores of the support structure. The inventors have unexpectedly discovered that, in some embodiments, the sizes of the pores within the porous support structure and/or the sizes of the particles within the pores can be tailored such that the contact between the electrolyte and the sulfur is enhanced, while the electrical conductivity and structural integrity of the electrode are maintained at sufficiently high levels to allow for effective operation of the cell. Also, the sizes of the pores within the porous support structures and/or the sizes of the particles within the pores can be selected such that any suitable ratio of sulfur to support material can be achieved while maintaining mechanical stability in the electrode. The inventors have also unexpectedly discovered that the use of porous support structures comprising certain materials (e.g., metals such as nickel) can lead to relatively large increases in cell performance. In some embodiments, methods for forming sulfur particles within pores of a porous support structure allow for a desired relationship between the particle size and pore size. The sizes of the pores within the porous support structure and/or the sizes of the particles within the pores can also be tailored such that the resulting electrode is able to withstand the application of an anisotropic force, while maintaining the structural integrity of the electrode. | 2011-03-24 |
20110070495 | METHOD OF FABRICATING ELECTRODES INCLUDING HIGH-CAPACITY, BINDER-FREE ANODES FOR LITHIUM-ION BATTERIES - An electrode ( | 2011-03-24 |
20110070496 | COMPOSITION AND ENERGY STORAGE DEVICE - In accordance with one aspect of the present invention, a cathode composition is provided that includes at least one transition metal or a transition metal salt, wherein the transition metal is at least one selected from the group consisting of nickel, iron, cobalt, chromium, manganese, molybdenum, and antimony; an alkali metal halide; a salt comprising an alkali metal halide and a metal halide; and a metal polysulfide compound MS | 2011-03-24 |
20110070497 | METHOD OF PRODUCING POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY USING THE POSITIVE ELECTRODE - A positive electrode for a lithium ion battery having a positive electrode active material layer including a lithium transition metal oxide such as a lithium nickel oxide as a positive electrode active material is washed with a washing fluid containing: an aprotic solvent such as propylene carbonate; and at least one of a fluorine-containing lithium salt such as LiPF | 2011-03-24 |
20110070498 | ANODE MATERIAL FOR HIGH POWER LITHIUM ION BATTERIES - A battery with a carbonaceous anode and a lithium manganese oxide spinel cathode. The carbonaceous anode is manufactured from graphite particles selected from the group consisting of: synthetic graphite particles, carbon-coated graphite particles, carbonized petroleum coke particles, carbon-coated coke particles and mixtures thereof. The lithium manganese oxide spinel cathode has a valence above 3.5. The production of the carbonaceous anode is obtained by: | 2011-03-24 |
20110070499 | Electrode Active Material For Secondary Electrochemical Cell - The invention provides an electrochemical cell which includes a first electrode having a electrode active material, a second electrode which is a counter electrode to the first electrode, and an electrolyte. The positive electrode active material is represented by the general formula A | 2011-03-24 |
20110070500 | Electrode Material, Forming Method and Application Thereof - An electrode material includes a particle-shaped crystalline metal oxide and further includes a particle-shaped amorphous metal oxide that is porous with a pore volume greater than or equal to 0.5 cm | 2011-03-24 |
20110070501 | ADDITIVE FOR ELECTROCHEMICAL ELEMENT TO IMPROVE SAFETY - Disclosed herein is an additive for improvement in safety of an electrochemical device, including an inner core and an outer coating layer, wherein the inner core is formed using a volume-expandable material fused at more than a predetermined temperature while the outer coating layer is formed using a conductive material with higher conductivity than that of the inner core and covers an outer face of the inner core. | 2011-03-24 |
20110070502 | STORAGE BATTERY - A storage battery is provided in which an expand grid is improved with respect to the widths of grid wires | 2011-03-24 |
20110070503 | Solid Electrolyte, Fabrication Method Thereof and Thin Film Battery Comprising the Same - The present invention relates to a solid electrolyte enables high ion conductivity, excellent voltage stability, low electric conductivity, homogeneous composition, reduced self-discharge and excellent atmosphere stability, a method of producing the same and a thin film battery comprising the same. The solid electrolyte according to the present invention is represented by the following formula. | 2011-03-24 |
20110070504 | SECONDARY BATTERY - This invention relates to a highly safe secondary battery. In the secondary battery of this invention, a positive electrode is formed of an oxide which adsorbs/desorbs lithium ions; a negative electrode is formed of a carbon material which adsorbs/desorbs lithium ions; and an electrolyte solution is formed of an ion liquid and a phosphoric acid ester derivative. Consequently, the secondary battery can be highly safe. Since a phosphate ester and an ion liquid are contained at the same time, high discharge capacity can be maintained even when the phosphate ester is used at a high concentration. | 2011-03-24 |
20110070505 | GAS BATTERY AND METHOD OF USE OF GAS BATTERY - In an F-type electrochemical cell | 2011-03-24 |
20110070506 | RECHARGEABLE ELECTROCHEMICAL CELL SYSTEM WITH A CHARGING ELECTRODE CHARGE/DISCHARGE MODE SWITCHING IN THE CELLS - One aspect of the present invention provides a rechargeable electrochemical cell system for generating electrical current using a fuel and an oxidant. The cell system comprises N electrochemical cells each comprising a fuel electrode, an oxidant electrode, a charging electrode, and an ionically conductive medium communicating the electrodes, wherein N is an integer greater than or equal to two. Any number of cells may be used. The cell system includes a plurality of switches that are switcheable to a discharge mode coupling the oxidant electrode of each cell to the fuel electrode of the subsequent cell, a charge mode coupling the charging electrode of each cell to the fuel electrode of the subsequent cell, and a bypass mode coupling charging electrode or the oxidant electrode of a previous cell to the fuel electrode of a subsequent cell. | 2011-03-24 |
20110070507 | Solid Oxide Fuel Cell Systems with Heat Exchanges - Disclosed are solid oxide fuel cell systems, and methods for reducing temperature distribution across electrolytes within solid oxide fuel cells (SOFC), and increasing overall system efficiency. In one embodiment, the SOFCs include preheating channels that are interposed between electrolyte electrode assemblies within SOFCs, to provide internal heat exchange. The fuel and/or air entering the SOFC can be preheated in the preheating channels, thereby reducing or eliminating the need for an external preheating system. The preheating channels also provide barriers between each electrolyte electrode assembly, which aids in isolating damage within a single fuel cell. | 2011-03-24 |
20110070508 | FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME - A fuel cell system includes an exhaust pipe through which anode purge gas is discharged into the atmosphere, a heat medium passage through which heat medium is flowed, a circulation pump for circulating the heat medium through the heat medium passage, a heat exchanger provided in the heat medium passage, a heat exchanger fan for generating airflow through the heat exchanger, and a guide by which the airflow is guided so as to diffuse the anode purge gas. The circulation pump and the heat exchanger fan are operated during anode purge in such a way that the heat exchanger fan is operated regardless of the heat medium temperature, and a flow rate of the heat medium flowing through the heat medium passage is zero or lower than a flow rate when output of a fuel cell is maximum. | 2011-03-24 |
20110070509 | FUEL CELL SYSTEM HAVING TWO FUEL CELL STACKS CONNECTED IN SERIES - The invention relates to a fuel cell system comprising a first exothermally operated fuel cell stack and a second non-exothermally operated fuel cell stack, wherein anode waste gas containing water molecules from the first fuel cell stack can be supplied to the second fuel cell stack, and wherein hydrocarbons can be admixed to the anode waste gas by way of a feed line. According to the invention, it is contemplated that the anode waste gas of the first fuel cell stack can be supplied to the second fuel cell stack in an uncooled state. The invention further relates to a method for operating a fuel cell system. | 2011-03-24 |
20110070510 | SYSTEMS AND METHODS FOR SUSTAINABLE ECONOMIC DEVELOPMENT THROUGH INTEGRATED FULL SPECTRUM PRODUCTION OF RENEWABLE MATERIAL RESOURCES USING SOLAR THERMAL - In one embodiment of the present invention, a system for providing a renewable source of material resources is provided comprising: a first source of renewable energy; first stream of materials from a first materials source; an electrolyzer coupled to the first source of renewable energy and the first stream of materials, wherein the electrolyzer is configured to produce a first material resource by electrolysis; a processor for further processing or use or the material resource to produce a second material resource, wherein the processor comprises a solar collector and where the solar collector is configured to provide heat to the first materials resource for disassociation; and a material resource storage coupled to the electrolyzer for receiving the material resource from the electrolyzer or providing the material resource to the processor for further processing or use. | 2011-03-24 |
20110070511 | COOLING SUBSYSTEM FOR AN ELECTROCHEMICAL FUEL CELL SYSTEM - Improvements in startup time for an electrochemical fuel cell system from freezing and sub-freezing temperatures may be observed by minimizing the coolant volume in the coolant subsystem. In particular, this may be accomplished by having a two pump—dual loop cooling subsystem. During startup, one pump directs coolant through a startup coolant loop and after either the fuel cell stack or the coolant temperature reaches a predetermined threshold value, coolant from a main or standard coolant loop is then directed to the fuel cell stack. In an embodiment, coolant from the standard loop mixes with coolant in the startup loop after the predetermined threshold temperature is reached. | 2011-03-24 |
20110070512 | Device and method for determining the operating parameters of individual fuel cells or short stacks of fuel cells - The invention relates to a device and a method for determining the operating parameters of individual cells or short stacks of fuel cells, preferably of medium-temperature or high-temperature fuel cells. | 2011-03-24 |
20110070513 | CONTACTOR FAILURE DETECTING APPARATUS FOR FUEL CELL SYSTEM - A contactor electrically connects and disconnects a fuel cell from a load. When a failure-detecting mode for detecting a closing failure of a contactor is initiated, an opening command is transmitted to the contactor, and a DC/DC converter connected to a motor changes the load voltage. Then, the load voltage and a fuel cell voltage are compared with each other. If the contactor is in a normal open state, as a result of the opening command, the fuel cell voltage is constant, whereas the load voltage of the DC/DC converter decreases, thereby producing a voltage difference. A closing failure of the contactor is determined when it is detected that the fuel cell voltage is substantially equal to the load voltage. | 2011-03-24 |
20110070514 | Device and method for determining the operating parameters of individual fuel cells or short stacks of fuel cells - The invention relates to a device and a method for determining the operating parameters of individual cells or short stacks of fuel cells, preferably of medium-temperature or high-temperature fuel cells. | 2011-03-24 |
20110070515 | METHOD FOR CONTROLLING OPERATION OF FUEL CELL AT LOW TEMPERATURE - The present invention provides a method for controlling the operation of a fuel cell system at low temperature that can suitably prevent flooding in a cathode of a fuel cell stack during low-temperature operation, thus improving the operation stability and durability of the fuel cell stack. In preferred embodiments, the present invention provides a method for controlling the operation of a fuel cell system at low temperature, the method comprising determining whether the temperature of a fuel cell stack reaches a normal temperature; calculating, when it is determined that the temperature of the fuel cell stack is lower than the normal temperature, a target temperature at a cathode outlet to maintain water present in a cathode of the fuel cell stack in a vapor phase based on information related to an operation state of the fuel cell stack detected by an operation state detection means; and calculating a target amount of coolant based on the calculated target temperature at the cathode outlet and the information related to the operation state of the fuel cell stack, and controlling the amount of coolant supplied to the fuel cell stack based on the calculated target amount of coolant. | 2011-03-24 |
20110070516 | SOLID POLYMER ELECTROLYTE FUEL CELL - A fuel cell is formed by sandwiching a membrane electrode assembly between a first separator and a second separator. The membrane electrode assembly includes a cathode, an anode, and a solid polymer electrolyte membrane interposed between the cathode and the anode. In the membrane electrode assembly, a catalyst area of an electrode catalyst layer of the cathode and an electrode catalyst layer of the anode terminates at a position spaced upwardly from lower ends of an oxygen-containing gas flow field and a fuel gas flow field. | 2011-03-24 |
20110070517 | MANIFOLD AND SOLID OXIDE FUEL CELL MODULE HAVING THE SAME - A manifold for distributing and supplying a fluid to solid oxide fuel cell (SOFC) cells. The manifold may include at least one opening disposed at one side surface of a housing to allow the fluid to flow into the housing therethrough. A plurality of second openings are disposed at another side surface of the housing to allow the fluid to be discharged out from the housing therethrough. A porous member is disposed to partition an internal space of the housing between the first opening and the plurality of second openings. In the manifold, the porous member is formed so that the first opening ratio per unit area at a first portion positioned adjacent to the first opening varies with increasing distance toward a second portion positioned distant from the first opening. | 2011-03-24 |
20110070518 | UNIT CELL OF SOLID OXIDE FUEL CELL AND STACK USING THE SAME - A unit cell of a solid oxide fuel cell (“SOFC”) and a fuel cell stack including the SOFC are disclosed. The SOFC may include a first electrode formed in a hollow cylinder shape, a second electrode formed on an outer surface of the first electrode, an electrolyte layer formed between the first electrode and the second electrode and a cap coupled to an end portion of the first electrode. A seating groove may be formed in the cap such that a conductor may be inserted into the seating groove and be in surface contact with the cap. The cap may include a conductive material and a current collection area of the unit cell may be broad when the fuel cell is included in, a fuel cell stack. | 2011-03-24 |
20110070519 | SEPARATING PLATE OF SOLID OXIDE FUEL CELL STACK - The present invention relates to a separating plate of solid oxide fuel cell stack. The separating plate of solid oxide fuel cell stack includes a substrate, upper and lower micro channel plates and upper and lower sealing guides. The substrate includes a fuel inflow/outflow manifold and an air inflow/outflow manifold disposed opposing to each other in a diagonal direction, a fuel channel having a pair of horizontal channels and an inclined channel connecting ends of the horizontal channels so as to connect the fuel inflow/outflow manifold, and an air channel having a pair of vertical channels and an inclined channel connecting ends of the vertical channels so as to connect the air inflow/outflow manifold. The upper and lower micro channel plates are attached to upper and lower parts of the substrate and includes a plurality of micro channels so as to distribute uniformly fuel flowing in the fuel channel and air flowing in the air channel. The upper and lower sealing guides keep a constant gap with the upper and lower micro channel plates and are attached to the upper and lower parts of the substrate. | 2011-03-24 |
20110070520 | FUEL CELL AND METHOD FOR DISASSEMBLING FUEL CELL - A fuel cell ( | 2011-03-24 |
20110070521 | Reinforced Solid Polymer Electrolyte Composite Membrane, Membrane Eelctrode Assembly For Solid Polymer Fuel Cell, and Solid Polymer Fuel Cell - The invention provides a solid polymer fuel cell whose operational stability over time has been enhanced. A reinforced solid polymer electrolyte composite membrane for a solid polymer fuel cell according to the present invention comprises two or more polymer electrolyte membranes and one or more layers of a sheet-like porous reinforcing member, wherein the polymer electrolyte membranes provide both the upper and lower surfaces of the composite membrane, and pores in the sheet-like porous reinforcing member are substantially filled with the electrolyte from the polymer electrolyte membranes, and wherein the sheet-like porous reinforcing member contains a peroxide decomposition catalyst. | 2011-03-24 |
20110070522 | ION-CONDUCTIVE POLYMERIC COMPOSITE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, FUEL CELL, AND PROCESS FOR PRODUCING ION-CONDUCTIVE POLYMERIC COMPOSITE MEMBRANE - An ion-conductive polymer composite membrane is provided which has both high gas barrier properties and high protonic conductivity. The ion-conductive polymer composite membrane includes an ion-conductive polymer and ion-conductive materials. The ion-conductive materials each include i) an inorganic layered structure including a plurality of layers formed of an inorganic compound and ii) a sulfobetaine-type or hydroxysulfobetaine-type ampholytic surfactant. The ampholytic surfactant is present between the layers formed of an inorganic compound. The present invention further provides a membrane-electrode assembly and a fuel cell which use the ion-conductive polymer composite membrane, and a process for producing the ion-conductive polymer composite membrane. | 2011-03-24 |
20110070523 | SOLID POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING THE SAME, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL - Disclosed is a solid polymer electrolyte membrane obtained by graft-polymerizing one or more kinds of radically polymerizable monomers to a resin membrane which is irradiated with radiation. This solid polymer electrolyte membrane is characterized in that at least one kind of the radically polymerizable monomers is a monofunctional monomer having one alkenyl group and a plurality of aromatic rings. By using a monofunctional monomer having one alkenyl group and a plurality of aromatic rings as at least one kind of the radically polymerizable monomers for radiation graft polymerization, there can be obtained a solid polymer electrolyte membrane having good oxidation resistance. When this solid polymer electrolyte membrane is used as an electrolyte membrane of a fuel cell, the fuel cell can have a long life since a grafted polymer chain is hardly decomposed. | 2011-03-24 |
20110070524 | Diffusion Media, Fuel Cells, and Fuel Cell Powered Systems - In at least certain embodiments, the present invention provides a diffusion media and fuel cells and systems employing the diffusion media. In at least one embodiment, the diffusion media comprises a porous matrix having an outer surface and a hydrophilic polymeric coating on at least a portion of the porous matrix with the hydrophilic coating comprising the cured product of a formulation comprising a hydrophilic monomer. | 2011-03-24 |
20110070525 | ELECTROLYTE COMPOSITION, SOLID ELECTROLYTE MEMBRANE, SOLID POLYMER FUEL CELL AND MANUFACTURING METHOD FOR SOLID ELECTROLYTE MEMBRANE - An electrolyte composition that shows low methanol cross-over and exhibits high proton conductivity when used as a solid electrolyte for solid polymer fuel cells or the like, and a solid electrolyte membrane and a solid polymer fuel cell that use the electrolyte composition are provided. This electrolyte composition comprises a perfluorocyclobutane-containing polymer having a specific structure. High proton conductivity is provided by sulfonic acid groups connected to the benzene rings. Reduction of methanol crossover is realized by introduction of a rigid structure with aromatic rings, or a combination o a rigid structure with aromatic rings and a three-dimensional cross-linked structure. | 2011-03-24 |
20110070526 | FUEL CELL - A fuel cell includes a first mono-sided channel plate, at least one double-sided channel plate, a second mono-sided channel plate, a plurality of membrane electrode assemblies, and a plurality of rigid hydrophilic gaskets. The double-sided channel plate includes a first side channel and a second side channel. The membrane electrode assemblies are respectively disposed between the first mono-sided channel plate and the double-sided channel plate and between the double-sided channel plate and the second mono-sided channel plate. The rigid hydrophilic gaskets are respectively abutted between the first mono-sided channel plate and one of the membrane electrode assemblies, between one of the membrane electrode assemblies and the first side channel of the double-sided channel plate, between the second side channel of the double-sided channel plate and one of the membrane electrode assemblies, and between one of the membrane electrode assemblies and the second mono-sided channel plate. | 2011-03-24 |
20110070527 | FUEL CELL SYSTEM - Provided is fuel cell system capable of eliminating any failure caused by freezing of a discharge valve during a low temperature while preventing an increase in size of the system. A fuel cell system is provided, the system including: a fuel cell; a diluter that dilutes a fuel-off gas discharged from the fuel cell with an oxidant-off gas discharged from the fuel cell to discharge the resulting gas to the outside; a fuel-off gas flow path that connects the fuel cell and the diluter; and a discharge valve that is provided to the fuel-off gas flow path to discharge a fuel-off gas flowing through the fuel-off gas flow path to the outside during a valve opening operation. In the fuel cell system, the discharge valve is integrally attached to the diluter. | 2011-03-24 |
20110070528 | Carbon Based Bipolar Plate Coatings for Effective Water Management - A flow field plate for fuel cell applications includes a metal with a carbon layer disposed over at least a portion of the metal plate. The carbon layer is overcoated with a silicon oxide layer to form a silicon oxide/carbon bilayer. The silicon oxide/carbon bilayer may be activated to increase hydrophilicity. The flow field plate is included in a fuel cell with a minimal increase in contact resistance. Methods for forming the flow field plates are also provided. | 2011-03-24 |
20110070529 | Conductive and Hydrophilic Bipolar Plate Coatings and Method of Making the Same - A flow field plate for fuel cell applications includes a metal with a carbon layer disposed over at least a portion of the metal plate. The carbon layer is overcoated with a titanium oxide layer to form a titanium oxide/carbon bilayer. The titanium oxide/carbon bilayer may be activated to increase hydrophilicity. The flow field plate is included in a fuel cell with a minimal increase in contact resistance. Methods for forming the flow field plates are also provided. | 2011-03-24 |
20110070530 | FUEL CELL - A solid oxide fuel cell including an electrode having a porous region bounded by a non-porous region. The electrode may include at least 51% titanium by weight. The electrode may be a structural member which supports one or more ceramic layers, at least one of the one or more ceramic layers being an electrolyte. The non-porous region creates a gas-tight seal which prevents direct combination of oxidant and fuel. The electrode may include at least one of: (i) other metals or metal salts, (ii) catalysts, and (iii) ceramic material within its pores for improved electrochemical efficiency. | 2011-03-24 |
20110070531 | PHOTOMASK DESIGNING METHOD, PHOTOMASK MANUFACTURING METHOD, AND PHOTOMASK DESIGNING PROGRAM - In one embodiment, a photomask designing method is disclosed. The method includes dividing design pattern data into predetermined regions and obtaining a pattern perimeter for each of the divided regions. The method includes obtaining the pattern perimeter for an entire region of the design pattern data by repeating the obtaining the pattern perimeter for the each of the divided regions. The method includes obtaining a dimension conversion difference for the entire region of the design pattern data using the pattern perimeter for the entire region of the design pattern data and a correlation obtained in advance between a predicted pattern perimeter and a predicted dimension conversion difference. The method includes performing process proximity correction on the design pattern data using a value of the obtained dimension conversion difference, and creating exposure pattern data from the corrected design pattern data. | 2011-03-24 |
20110070532 | Color filter manufacturing method, patterned substrate manufacturing method, and small photomask - A color filter manufacturing method for forming a filter segment and a black matrix by repeating at least a coating step of coating a substrate with a photosensitive resin layer, a pattern exposure step of curing the photosensitive resin layer by pattern exposure, a developing step of developing the exposed photosensitive resin layer, and a sintering step of thermosetting the developed photosensitive resin layer, in this order a plurality of number of times, characterized in that in the exposure step, a laser is used as a light source, and proximity exposure is performed by repetitively emitting the laser via photomask such that a cumulative exposure amount is 1 to 150 mJ/cm | 2011-03-24 |
20110070533 | PHOTOMASK BLANK, PHOTOMASK , AND METHOD FOR MANUFACTURING PHOTOMASK BLANK - The present invention provides a photomask blank used for producing a photomask to which an ArF excimer laser light is applied, wherein: a light-shielding film is provided on a light transmissive substrate; the light-shielding film has a laminated structure in which a back-surface antireflection layer, a light-shielding layer and a front-surface antireflection layer are laminated in this order from the side close to the light transmissive substrate; the thickness of the entire light-shielding film is 70 nm or less; the back-surface antireflection layer is made of a film containing a metal and has a first etching rate; the front-surface antireflection layer is made of a film containing a metal and has a third etching rate; the light-shielding layer is made of a film containing the same metal as that contained in the back-surface antireflection layer or the front-surface antireflection layer and has a second etching rate that is lower than the first etching rate and the third etching rate; and the thickness of the light-shielding layer is 45% or less of the thickness of the entire light-shielding film. | 2011-03-24 |
20110070534 | REFLECTIVE MASK BLANK FOR EUV LITHOGRAPHY - To provide a reflective mask blank for EUV lithography having a low reflective layer having a low reflectance in the wavelength region of EUV light and an inspection light for a mask pattern, particularly having low reflection properties in the entire wavelength region (190 to 260 nm) of an inspection light for a mask pattern, and having a high etching rate in chlorine type gas etching. | 2011-03-24 |
20110070535 | TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT AND IMAGE FORMING METHOD - A toner for electrostatic latent image development is disclosed comprising colored particles containing a binder resin and a colorant and external-additive particles attached to the surfaces of the colored particles, wherein the external-additive particles comprise resin particles covered with an inorganic layer, and the resin particles are bound to the inorganic layer by a siloxane bond. A preparation method of the toner is also disclosed. | 2011-03-24 |
20110070536 | OXIDE MATERIAL, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING DEVICE - An oxide material including gallium, zinc and oxygen, a ratio of the number of atoms of zinc to the number of atoms of gallium (number of atoms of zinc/number of atoms of gallium) being from about 0.01 to about 0.6 and a ratio of the number of atoms of oxygen to the sum of the number of atoms of gallium and the number of atoms of zinc (number of atoms of oxygen/(number of atoms of gallium+number of atoms of zinc)) being from about 1.0 to about 1.6, is disclosed. An electrophotographic photoreceptor including a layer which includes the oxide material is also disclosed. An electrophotographic photoreceptor including a substrate; and a photosensitive layer including gallium, oxygen and zinc is also disclosed. | 2011-03-24 |
20110070537 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR - An image forming method employing a photoreceptor and a polymerization toner, wherein the photoreceptor comprises a photosensitive layer provided on a surface of a cylindrical electroconductive substrate, a surface of the photoreceptor has a shape composed of plural lower portions and plural higher portions, a surface roughness of a top surface of the higher portions is 0.01 to 0.5 μm, and a volume based median particle diameter of the polymerization toner is 3 to 8 μm. | 2011-03-24 |
20110070538 | COATED CARRIERS - The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core, having a dry powder polymer coating. In embodiments, the coating may also include a colorant, such as carbon black. Processes for coating such carriers with the dry powder polymer coatings are also provided. | 2011-03-24 |
20110070539 | ELECTROSTATIC-IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An electrostatic-image-developing toner includes a polyester resin; two or more pigments; a polyethylene wax; and a polyolefin-polyvinyl-based graft copolymer, and satisfies the relationship represented by the following equation (1): | 2011-03-24 |
20110070540 | COATED CARRIERS - The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core, having a dry powder polymer coating. In embodiments, the coating may also include a colorant, such as carbon black. Processes for coating such carriers with the dry powder polymer coatings are also provided. | 2011-03-24 |
20110070541 | CAPSULE TONER AND METHOD OF MANUFACTURING CAPSULE TONER - A capsule toner achieving both low temperature fixability and hot offset resistance, and a method of manufacturing the capsule toner are provided. A capsule toner includes a toner base particle containing a binder resin and a colorant, and a resin coating layer formed on a surface of the toner base particle. The resin coating layer includes a film of plural fine resin particles having different complex viscosities. The plural fine resin particles include first fine resin particles having complex viscosity at a softening temperature of the toner base particles of 5.0×10 | 2011-03-24 |
20110070542 | PHOTORESIST AND PATTERNING PROCESS - A method and material layer for forming a pattern are disclosed. The method includes providing a substrate; forming a first material layer over the substrate; forming a second material layer over the first material layer, wherein the second material layer comprises a photoacid generator and a photobase generator; and exposing one or more portions of the second material layer | 2011-03-24 |
20110070543 | Aqueous Base-Developable Negative-Tone Films Based On Functionalized Norbornene Polymers - Embodiments in accordance with the present invention encompass negative-tone, aqueous base developable, self-imageable polymer compositions useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. | 2011-03-24 |
20110070544 | Novel Salt Having Fluorine-Containing Carbanion Structure, Derivative Thereof, Photoacid Generator, Resist Material Using the Photoacid Generator, and Pattern Forming Method - There is provided an acid having a fluorine-containing carbanion structure or a salt having a fluorine-containing carbanion structure, which is represented by the following general formula (1). | 2011-03-24 |
20110070545 | High normality solution for removing freeze material in lithographic applications - A method for patterning a substrate is described. The method comprises forming a layer of radiation-sensitive material on the substrate, preparing a pattern in the layer of radiation-sensitive material, and applying a chemical freeze layer over the layer of radiation-sensitive material to form a frozen layer of radiation-sensitive material. Thereafter, the method comprises stripping the chemical freeze layer using a high normality strip solution to preserve the pattern in the frozen layer of radiation-sensitive material, wherein the high normality strip solution contains an active solute having a normality (N) greater than 0.26. | 2011-03-24 |
20110070546 | SINGLE PHOTORESIST APPROACH FOR HIGH CHALLENGE PHOTO PROCESS - A method of lithography patterning includes coating a resist layer on a substrate; performing an exposing process to the resist layer using a lithography tool with a numerical aperture tuned between about 0.5 and about 0.6; baking the resist layer; thereafter performing a first developing process to the resist layer for a first period of time; and performing a second developing process to the resist layer for a second period of time. | 2011-03-24 |
20110070547 | METHODS FOR MASTERING MICROSTRUCTURES THROUGH A SUBSTRATE USING NEGATIVE PHOTORESIST - Microstructures are fabricated by impinging a radiation beam, such as a laser beam, through a substrate that is transparent to the laser beam, into a negative photoresist layer on the substrate. The negative photoresist layer may be subsequently developed to provide a master for optical and/or mechanical microstructures. Related systems, microstructure products and microstructure masters also are disclosed. | 2011-03-24 |
20110070548 | SILVER HALIDE PHOTOSENSITIVE MATERIAL AND PROCESS OF PRODUCING BLACK AND WHITE IMAGE USING THE SAME - Disclosed is a silver halide photographic photosensitive material which includes a support and at least one silver halide photosensitive layer on the support, wherein the average equivalent sphere diameter of the silver halide of the silver halide photosensitive layer is 0.30 μm or less, the silver halide photosensitive layer includes four or more kinds of silver halide grains having mutually different average equivalent sphere diameters, and the thickness between a surface of the support at a side at which the silver halide photosensitive layer is provided and a surface of the silver halide photosensitive layer at a side opposite to the support is 10 μm or less. | 2011-03-24 |
20110070549 | SYSTEM FOR ASH RECYCLING - A method of operating a combustion system includes at least the following steps: removing ashes from a combustion boiler, compacting the ashes, pulverizing the ashes, and feeding at least a part of the ashes into the combustion boiler, wherein the hardness of the ashes is deliberately set during the steps of removing the ashes or compacting the ashes. Furthermore, a particularly suitable device for implementing the method is disclosed. | 2011-03-24 |
20110070550 | CONTROL FOR MONITORING FLAME INTEGRITY IN A HEATING APPLIANCE - A control apparatus for a gas-fired heating appliance having a burner is provided for sensing burner flame instability. The apparatus includes a sensor for sensing a flame and providing an output of a flame current signal, and a controller in communication with the sensor for sensing flame current. The controller is configured to receive the flame current signal and to detect the occurrence of a flame instability condition. The controller detects flame instability from flame current signal data that is measured and Fourier transformed into a frequency spectrum which changes from a stable to instable spectrum when flame instability is caused by an inadequate air-to-fuel ratio. The controller is configured to respond to flame instability by generating an output signal to increase the speed of a combustion air blower that supplies air to the burner, to thereby increase the air flow relative to fuel flow until normal combustion is attained. | 2011-03-24 |
20110070551 | Burner using alcohol as fuel - A burner includes a container provided with a first opening defined for receiving therein alcohol and absorbent securely received in the container to provide stability to the alcohol, a tracking on top of the container and having side walls separated from the side walls of the container so as to compensate deformation of the tracking plate, a sliding plate slidably received on top of the bottom bracket to selectively close the second opening of the tracking plate; and a top plate securely mounted on top of the container to secure the tracking plate and having a third opening in communication with the first opening of the container and the second opening of the tracking plate. | 2011-03-24 |
20110070552 | USE OF SECONDARY OPTICAL EMISSION AS A NOVEL BIOFILM TARGETING TECHNOLOGY - Provided herein are methods and compositions useful for the treatment of periodontal disease exploiting optical and thermal emissions of near-infrared laser systems and fibers in order to target chromophore-stained biofilm while minimizing damage to healthy tissues. | 2011-03-24 |
20110070553 | Light Source for a Dental Device - A light source for use in a device, for example in a dental device, comprising a semiconductor element disposed in a housing wherein the semiconductor element comprises a light-emitting surface. The light source further comprises a socket that extends from a side of the semiconductor element opposite the light-emitting surface, the socket being provided for being placed in a frame located in the device, wherein the socket comprises contact elements and lines for power supply to the semiconductor element. The light source is particularly robust and long-lasting. | 2011-03-24 |
20110070554 | METHOD AND SYSTEM FOR PROVIDING FEEDBACK DATA USEFUL IN PROSTHODONTIC PROCEDURES ASSOCIATED WITH THE INTRA ORAL CAVITY - Feedback data useful in prosthodontic procedures associated with the intra oral cavity is provided. First, a 3D numerical model of the target zone in the intra oral cavity is provided, and this is manipulated so as to extract particular data that may be useful in a particular procedure, for example data relating to the finish line or to the shape and size of a preparation. The relationship between this data and the procedure is then determined, for example the clearance between the preparation and the intended crown. Feedback data, indicative of this relationship, is then generated, for example whether the preparation geometry is adequate for the particular type of prosthesis. | 2011-03-24 |
20110070555 | Matrix band for dental applications - A matrix band for dental applications comprising a base material and a coating. The base material has an outer surface and a tooth contact surface as well as a perimeter. The coating is applied to the tooth contact surface and extends to the perimeter of the tooth contact surface. The coating is a fluorinated ethylene propylene, polytetrafluoroethylene and polyether sulfone. | 2011-03-24 |
20110070556 | Micro evacuator and method of use - An evacuation and/or irrigation device for use in connection with a vacuum source and used in a relatively localized surgical area. The evacuation device has a main body connected to a dental tool and a hook-like evacuation needle connected to the body. The needle has a plurality of spaced apart vacuum ports to provide irrigation circumferentially to sterilize and clean the surgical area. | 2011-03-24 |
20110070557 | DENTAL IMPLANT - A dental implant for anchoring in a jawbone to support an abutment for mounting a dental prosthesis is described. The dental implant comprises a collar portion located at an open proximal distal end, a mid portion integrally connected to the collar portion and a base hollow portion integrally connected to a mid portion and located at an open distal end of said implant. The collar portion has an axial opening that extends into a blind hole proceeding from the proximal end into the interior of the implant and is configured to secure the abutment to the dental implant. The mid portion includes external helical treads turning around an external wall of the mid portion. The base hollow portion comprises a wall defining an internal storage volume for an osseous tissue of the jawbone. The base hollow portion comprises a plurality of openings arranged in the wall and entering the internal storage volume. The base hollow portion is unthreaded and tapered with contraction towards the distal end. | 2011-03-24 |
20110070558 | DENTAL IMPLANT FIXTURE - The present invention relates to a dental implant fixture, and more particularly, to a dental implant fixture which rotates about a central axis thereof, and thus is inserted into a bone tissue constituted by a cortical bone and a spongy bone to form an artificial tooth root, wherein the dental implant fixture includes a first portion, a second portion, and a third portion. The first portion is inserted into the cortical bone and has an outer surface with a first screw thread whereon first vertices and first valleys are alternately arranged. The second portion is disposed beneath the first portion and inserted into the spongy bone, has an outer surface with a second screw thread whereon second vertices and second valleys are alternately arranged. The distance between the adjacent second vertices of the second screw thread is larger than the distance between the adjacent first vertices of the first screw thread. The third portion is disposed beneath the second portion, and has an outer surface with a third screw thread whereon third vertices and third valleys are alternately arranged, and a first cutting part which is hollowed such that the first cutting part is closer to the central axis than the third valleys. The lower outer diameter of the second screw thread is smaller than the upper outer diameter of the second screw thread. | 2011-03-24 |
20110070559 | Apparatus and method for measuring optical characteristics of Teeth - Color measuring systems and methods such as for determining the color or other characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object/tooth being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object/tooth being measured. Under processor control, the color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention. A method of producing dental prostheses based on measured data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base. | 2011-03-24 |
20110070560 | TOOTH-WHITENING METHOD - A method of whitening teeth has the steps of applying chlorine dioxide to surfaces of the teeth, leaving the solution on the teeth for a predetermined time, rinsing the solution from the teeth, repeating previous two steps at least once, and applying tubule sealant to the surfaces. | 2011-03-24 |
20110070561 | DENTAL-PLAQUE DETECTION SYSTEM AND DENTAL-PLAQUE DETECTION METHOD - A dental-plaque detection system and dental-plaque detection method which are excellent in the detection accuracy of dental plaques and also capable of improving the situation to stain sites other than dental plaques (such as interdental parts and gums) are provided. The dental-plaque detection system includes a dental-plaque staining agent, which contains at least one selected from yellow pigment of beni-koji, turmeric extracts, and curcumin; and a light-emitting apparatus, which outputs light having a wavelength within a range of 250 to 500 nm to an object in the oral cavity where the dental-plaque staining agent is attached. The dental-plaque detection method includes attaching a dental-plaque staining agent, which contains at least one selected from yellow pigment of beni-koji, turmeric extracts, and curcumin onto an object in the oral cavity; and thereafter irradiating light having a wavelength within a range of 250 to 500 nm onto the object. | 2011-03-24 |
20110070562 | DENTAL PROSTHESIS MANUFACTURING PROCESS, DENTAL PROSTHESIS PATTERN & DENTAL PROSTHESIS MADE THEREBY - A dental prosthesis is made by first forming a model of a patient's dentition. A three dimensional digital data corresponding to the surfaces of the model is then created. Based on this data, a three dimensional digital data file is then created substantially corresponding to the dental prosthesis to be manufactured. The three dimensional digital data of the dental prosthesis to be manufactured is next transmitted to automated prototyping equipment, and using the automated prototyping equipment, a wax pattern of the dental prosthesis is manufactured based upon this three dimensional digital data of the dental prosthesis. Finally, using this wax pattern in the lost wax investment casting process, the dental prosthesis is made. Prior to investment casting, marginal edges of the wax pattern are adjusted manually. | 2011-03-24 |
20110070563 | EASILY REMOVABLE DENTAL CURABLE COMPOSITION - An easily removable dental curable composition which prevents the fall or leakage of a temporary prosthetic appliance or a root canal filling material which is easily removed by bonding and adhering it to tooth, shows such high flowability that its operation is easy, has a long working time and excellent X-ray contrast properties and sealability and can be easily removed as required, and a filling kit. | 2011-03-24 |
20110070564 | METHOD TO CONTROL THE MOVEMENTS OF A FLIGHT SIMULATOR AND FLIGHT SIMULATOR IMPLEMENTING SUCH METHOD - The invention relates to a method to control the movements of a flight simulator involving linear and angular accelerations perceived at a pilot's seat and involving mathematical transformations of a lateral position y and a roll angle φ for said accelerations, wherein mathematical transformations are used with at least one of the following corrections: —Feed-forward of a specific force error due to the y-position wash-out into a roll angle transformation function; —Decomposition of specific force at pilot's position and addition of complementary filters to reproduce suitable side forces in the pilot's seat due to lateral accelerations; —Mathematical transformations linking a pilot's position in an aircraft and flight simulator to a motion base centroid. | 2011-03-24 |
20110070565 | POSTPRANDIAL BLOOD GLUCOSE ESTIMATING APPARATUS, POSTPRANDIAL BLOOD GLUCOSE ESTIMATING METHOD, AND COMPUTER PROGRAM PRODUCT - A postprandial blood glucose estimating apparatus for estimating a value related to a postprandial blood glucose of a subject, comprising: an input receiving part for receiving information relating to the amount of energy in a food; an estimating part for estimating a value related to a postprandial glucose level when the subject consums the food based on the information relating to the amount of energy in the food received by the input receiving part; and an outputting part for outputting a value related to the postprandial glucose level estimated by the estimating part, is disclosed. | 2011-03-24 |