Tong Zhao
Tong Zhao, Peachtree City, GA US
Patent application number | Description | Published |
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20090324550 | COMPOSITION AND METHOD FOR INHIBITION OF MICROORGANISMS - A composition and method for the inhibition of microorganisms. | 12-31-2009 |
20110054026 | ANTIMICROBIAL COMPOSITION AND USE - Antimicrobial compositions are provided comprising a pharmaceutically acceptable organic acid and a pharmaceutically acceptable surfactant. This synergistic combination allows compositions to be formulated at low concentrations that have efficacy in reducing bacterial counts by greater than 3 log within 5 minutes of contact while preserving the organoleptic properties of treated foods, including fresh produce. As shown in FIG. | 03-03-2011 |
20120071553 | CHLORINE-FREE WATER TREATMENT - A combination of the surfactant SDS with levulinic acid produces a synergistic effect in relation to the antimicrobial effectiveness of the individual compounds, allowing the formulation of compositions wherein the active agents are present at concentrations effective to reduce bacterial and fungal counts in liquids, including, but not limited to, water and other beverages, without altering the organoleptic properties of the treated food substance. The active agents are FDA-approved as food additives, and the treated beverages can be any aqueous-based beverage consumable by humans or animals. The levulinic acid-SDS combination is also suitable for reducing or eliminating the microbial population on the surfaces of water and beverage containers, and the machinery and facilities for the bottling of liquids. | 03-22-2012 |
20120121679 | VIRICIDAL AND MICROBICIDAL COMPOSITIONS AND USES THEREOF - The present disclosure encompasses compositions comprising a surfactant, and an acid such as, but not limited to, levulinic acid, that together have a synergistic effect in reducing the viability of a virus population compared to the efficacy of the individual compounds. This synergy allows the formulation of compositions where the active agents (including an acid and a surfactant) are present at concentrations effective to inactivate viruses on surfaces, including human skin. The viricidal compositions disclosed herein are efficacious without damaging the surface to which they may be applied, or even altering the organoleptic properties of a treated food substance. The viricidal compositions and wipes containing such compositions are suitable for sanitizing any surface suspected of having a viral load thereon, or where it is desirable to ensure that a viral load is as low as possible. | 05-17-2012 |
20120129928 | Chlorine-Free Liquid Microbicide Treatment - The combination of the surfactant SDS with levulinic acid produces a synergistic effect in relation to the antimicrobial effectiveness of the individual compounds. Accordingly, this surprising synergy allows the formulation of compositions wherein the active agents are present at concentrations effective to reduce bacterial counts in liquids, including, but not limited to, water and other beverages, especially those having a pH value less than about 7.0 by a factor between 10 | 05-24-2012 |
20120141607 | Control of Enterohemorrhagic E. Coli in Farm Animal Drinking Water - The present invention relates to a new composition and methods for preventing the transmission of enterohemorrhagic | 06-07-2012 |
20120148716 | Antimicrobial Composition and Use as Food Treatment - Antimicrobial compositions are provided comprising a pharmaceutically acceptable organic acid and a pharmaceutically acceptable surfactant. This synergistic combination allows compositions to be formulated at low concentrations that have efficacy in reducing bacterial counts by greater than 3 log within 5 minutes of contact while preserving the organoleptic properties of treated foods, including fresh produce. Also provided are methods for the use of the compositions to reduce the microbial load on the surfaces of foodstuffs, processed food products, and the hard surfaces of food preparation machinery, tools, benches, and the like. | 06-14-2012 |
20130005811 | ANTIMICROBIAL TREATMENT FOR SEEDS AND SPROUTS - The present disclosure encompasses embodiments of a method of reducing the microbial load of a vegetable seed or a sprout thereof, comprising contacting the vegetable seed or the sprout thereof, with a composition comprising levulinic acid and a detergent for a period suitable for reducing a bacterial population of the vegetable seed or the sprout thereof. In embodiments of the methods of the disclosure, the composition can reduce a bacterial population located on the exterior surface of the seed coat (testa) of a vegetable seed, located in or on the seed contents beneath the testa, or located on and beneath the testa of the vegetable seed. | 01-03-2013 |
Tong Zhao, Eden Prairie, MN US
Patent application number | Description | Published |
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20110038246 | VOLTAGE PATTERN FOR FERROELECTRIC RECORDING HEAD - The presently disclosed technology teaches an improved voltage pattern for conductive tips utilized as moveable top electrodes for writing data bits into ferroelectric media. A conductive tip is dragged in contact or near contact with a ferroelectric surface forming a moveable top electrode on a ferroelectric media disk. A metallic film is deposited onto a bottom-side of the ferroelectric media forming a conductive bottom electrode. Applying electrical voltage pulses between the conductive tip and the bottom electrode induces polarization switching of the ferroelectric media under the head. The improved voltage pattern incorporates positive and negative overshoot voltages to induce a polarization switch in the ferroelectric media and positive and negative drag voltages to expand a polarized region on the ferroelectric media. Potential benefits of the improved voltage pattern include reduced cross-track blooming and reduced along-track blooming resulting in a more uniform track width and bit series length. | 02-17-2011 |
20110205863 | HAMR NFT Materials With Improved Thermal Stability - A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration may be in a range from 0.5% and 30%. The dopant can be a nanoparticle oxide of V, Zr, Mg, Ca, Al, Ti, Si, Ce, Y, Ta, W, or Th, or a nitride of Ta, Al, Ti, Si, In, Fe, Zr, Cu, W or B. | 08-25-2011 |
20120045662 | Recording Head For Heat Assisted Magnetic Recording With Diffusion Barrier Surrounding A Near Field Transducer - An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer. | 02-23-2012 |
20130070576 | RECORDING HEAD FOR HEAT ASSISTED MAGNETIC RECORDING WITH DIFFUSION BARRIER SURROUNDING A NEAR FIELD TRANSDUCER - An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer. | 03-21-2013 |
20130235707 | HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY - A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration may be in a range from 0.5% and 30%. The dopant can be a nanoparticle oxide of V, Zr, Mg, Ca, Al, Ti, Si, Ce, Y, Ta, W, or Th, or a nitride of Ta, Al, Ti, Si, In, Fe, Zr, Cu, W or B. | 09-12-2013 |
20130279315 | NEAR FIELD TRANSDUCERS INCLUDING NITRIDE MATERIALS - An apparatus that includes a near field transducer, the near field transducer including an electrically conductive nitride. | 10-24-2013 |
20130286799 | HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY - An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof. | 10-31-2013 |
20130286804 | HEAT ASSISTED MAGNETIC RECORDING HEADS HAVING BILAYER HEAT SINKS - Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material. | 10-31-2013 |
20130330573 | Layered Near-field Transducer - A near-field transducer includes a substrate that defines a substrate-parallel plane. The near-field transducer also includes a composite layer deposited on the substrate-parallel plane. The composite layer has a first layer of the plasmonic material and a second layer of an insertion material adjacent the substrate. The insertion material reduces plastic deformation of the near-field transducer at elevated temperatures. | 12-12-2013 |
20130343167 | RECORDING HEAD FOR HEAT ASSISTED MAGNETIC RECORDING WITH DIFFUSION BARRIER SURROUNDING A NEAR FIELD TRANSDUCER - An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer. | 12-26-2013 |
20140004384 | INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS | 01-02-2014 |
20140050057 | RECORDING HEAD INCLUDING NFT AND HEATSINK - An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer comprising silver (Ag) and at least one other element or compound; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes: rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof; titanium (Ti) or an alloy thereof; tantalum (Ta) or an alloy thereof; tungsten (W) or an alloy thereof; borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof. | 02-20-2014 |
20140050058 | RECORDING HEAD INCLUDING A NEAR FIELD TRANSDUCER - An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer including an electrically conductive nitride; a first magnetic pole; and a heat sink, a diffusion barrier layer, or both positioned between the first magnetic pole and the near field transducer, wherein the heat sink, the diffusion barrier or both include rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof titanium (Ti) or an alloy thereof tantalum (Ta) or an alloy thereof tungsten (W) or an alloy thereof borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof. | 02-20-2014 |
20140376344 | NEAR FIELD TRANSDUCER AND HEAT SINK DESIGN FOR HEAT ASSISTED MAGNETIC RECORDING - Apparatuses, systems, and methods are disclosed related to heat assisted magnetic recording. According to one embodiment, an apparatus that includes a heat sink region and a near field transducer region is disclosed. The near field transducer region is thermally coupled to the heat sink region. At least one of the heat sink region and the near field transducer region includes both an inner core and an outer shell. The inner core can be comprised of a non-plasmonic material and the outer shell can be comprised of a plasmonic material. In further embodiments, the inner core is comprised of a material having a relatively higher electron-phonon coupling constant and the outer shell is comprised of a material having a relatively lower electron-phonon coupling constant. | 12-25-2014 |
20140376346 | METHODS OF FORMING MATERIALS FOR AT LEAST A PORTION OF A NFT AND NFTS FORMED USING THE SAME - A method including depositing a plasmonic material at a temperature of at least 150° C.; and forming at least a peg of a near field transducer (NFT) from the deposited plasmonic material. | 12-25-2014 |
20140376347 | MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME - Disclosed herein are near field transducers (NFTs) that include either silver, copper, or aluminum and one or more secondary elements. | 12-25-2014 |
20140376348 | DEVICES INCLUDING AT LEAST ONE INTERMIXING LAYER - Devices that include a near field transducer (NFT), the NFT including a peg having five exposed surfaces, the peg including a first material; an overlying structure; at least one intermixing layer, positioned between the peg and the overlying structure, the at least one intermixing layer positioned on at least one of the five surfaces of the peg, the intermixing layer including at least the first material and a second material. | 12-25-2014 |
20140376349 | DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS - Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the five surfaces of the peg, the adhesion layer including one or more of the following: rhenium, osmium, iridium, platinum, hafnium, ruthenium, technetium, rhodium, palladium, beryllium, aluminum, manganese, indium, boron, and combinations thereof beryllium oxide, silicon oxide, iron oxide, zirconium oxide, manganese oxide, cadmium oxide, magnesium oxide, hafnium oxide, and combinations thereof tantalum carbide, uranium carbide, hafnium carbide, zirconium carbide, scandium carbide, manganese carbide, iron carbide, niobium carbide, technetium carbide, rhenium carbide, and combinations thereof chromium nitride, boron nitride, and combinations thereof. | 12-25-2014 |
20140376351 | MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME - A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof. | 12-25-2014 |
20140376352 | MATERIALS FOR NEAR FIELD TRANSDUCERS, NEAR FIELD TRANDUCERS CONTAINING SAME, AND METHODS OF FORMING - A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium (Er), ytterbium (Yb), promethium (Pm), neodymium (Nd cobalt (Co), cerium (Ce), lanthanum (La), praseodymium (Pr), or combinations thereof. | 12-25-2014 |
20150037613 | MAGNETIC DEVICES WITH OVERCOATS - A magnetic device including a magnetic writer; and an overcoat positioned over at least the magnetic writer, the overcoat including tantalum oxide (Ta | 02-05-2015 |
Tong Zhao, Milpitas, CA US
Patent application number | Description | Published |
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20080209714 | AP1 layer for TMR device - A TMR read head with improved voltage breakdown is formed by laying down the AP1 layer as two or more layers. Each AP1 sub-layer is exposed to a low energy plasma for a short time before the next layer is deposited. This results in a smooth surface, onto which to deposit the tunneling barrier layer, with no disruption of the surface crystal structure of the completed AP1 layer. | 09-04-2008 |
20080212243 | AP1 layer for TMR device - A TMR read head with improved voltage breakdown is formed by laying down the AP1 layer as two or more layers. Each AP1 sub-layer is exposed to a low energy plasma for a short time before the next layer is deposited. This results in a smooth surface, onto which to deposit the tunneling barrier layer, with no disruption of the surface crystal structure of the completed AP1 layer. | 09-04-2008 |
20080260943 | Process for composite free layer in CPP GMR or TMR device - The conventional free layer in a CPP GMR or TMR read head has been replaced by a tri-layer laminate comprising Co rich CoFe, moderately Fe rich NiFe, and heavily Fe rich NiFe. The result is an improved device that has a higher MR ratio than prior art devices, while still maintaining free layer softness and acceptable magnetostriction. A process for manufacturing the device is described. | 10-23-2008 |
20100247966 | Tunneling magneto-resistive spin valve sensor with novel composite free layer - The conventional free layer in a TMR read head has been replaced by a composite of two or more magnetic layers, one of which is iron rich The result is an improved device that has a higher MR ratio than prior art devices, while still maintaining free layer softness and acceptable magnetostriction. A process for manufacturing the device is also described. | 09-30-2010 |
Tong Zhao, Cranberry Twp, PA US
Patent application number | Description | Published |
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20090160097 | FERROELECTRIC MEDIA WITH ROBUST SERVO MARKS AND STORAGE AREAS WITH LOW LEAKAGE CURRENT - A single annealing process simultaneously creates local areas of ferroelectric imprint that can be used as markers, and areas with low leakage current that exhibit ideal symmetric switching on ferroelectric recording media. | 06-25-2009 |
20100110754 | NON-DESTRUCTIVE READ BACK FOR FERROELECTRIC DATA STORAGE DEVICE - A data storage device comprising a ferroelectric layer, a perovskite structure, and at least one sensor, where the perovskite structure has a polarity discontinuity configured to generate capacitance voltages in the perovskite structure based on polarization charges of the ferroelectric material, and where the at least one sensor is configured to read the capacitance voltages from the perovskite structure. | 05-06-2010 |
20100195369 | MULTILAYER FERROELECTRIC DATA STORAGE SYSTEM WITH REGENERATIVE READ - A data storage system comprises first and second storage layers, a reader and a writer. The first storage layer has a first coercive potential and a first polarization. The second storage layer has a second coercive potential that is less than the first coercive potential, and a second polarization that is coupled to the first polarization. The writer performs a write operation in which a write potential is imposed across the first and second storage layers, such that the first coercive potential is exceeded across the first storage layer and the second coercive potential is exceeded across the second storage layer. The reader performs a read operation in which a read potential is imposed across the first and second storage layers, such that the second coercive potential is exceeded across the second storage layer and the first coercive potential is not exceeded across the first storage layer. | 08-05-2010 |
Tong Zhao, Cranberry Township, PA US
Patent application number | Description | Published |
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20100187583 | Reconfigurable Electric Circuitry and Method of Making Same - A reconfigurable electric circuit includes first and second crystalline material layers positioned adjacent to each other and forming a first interface, and a first ferroelectric layer positioned adjacent to the first crystalline material layer and having ferroelectric domains applying an electric field to regions of the first interface to induce a quasi two-dimensional electron gas in the regions, wherein at least one of the regions forms a gate and at least one of the regions forms a channel. | 07-29-2010 |
20100188773 | Multiferroic Storage Medium - A data storage medium that includes a multiferroic thin film and ferromagnetic storage domains formed in the multiferroic thin film. The multiferroic thin film may be formed of at least one of BiFeO | 07-29-2010 |
Tong Zhao, Pittsburgh, PA US
Patent application number | Description | Published |
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20090086613 | Non-Destructive Readback For Ferroelectric Material - An apparatus that provides for non-destructive readback of a ferroelectric material. The apparatus can include a ferroelectric layer with a scannable surface wherein the ferroelectric layer has a compensation charge adjacent the scannable surface. The apparatus also can include an electrode adjacent the scannable surface to sense the compensation charge. A related method is also disclosed. | 04-02-2009 |
20090086615 | Ferroelectric Polarization Pattern With Differing Feedback Signals - A ferroelectric polarization pattern with differing feedback signals. An apparatus including a ferroelectric layer and a polarization pattern configured in the ferroelectric layer to represent position data. The polarization pattern has a first switchable polarization state domain and a second switchable polarization state domain that are both switchable by an applied signal. The first switchable polarization state domain has a first feedback signal in response to the applied signal that is different than a second feedback signal of the second switchable polarization state domain at the applied signal. | 04-02-2009 |
20090092805 | Ferroelectric Material With Polarization Pattern - An apparatus includes a ferroelectric layer and a polarization pattern configured in the ferroelectric layer to represent position data. The polarization pattern has a switchable polarization state domain and an unswitchable polarization state domain. A method includes providing a ferroelectric layer and establishing a polarization pattern in the ferroelectric layer to represent position data. | 04-09-2009 |
20100054111 | ASYMMETRIC WRITE FOR FERROELECTRIC STORAGE - A method of writing to ferroelectric storage medium includes the steps of applying a first write voltage to a ferroelectric layer for writing a first bit in a first polarization direction and applying a second write voltage to the ferroelectric layer for writing a second bit in a second polarization direction opposing the first polarization direction. The first write voltage having a first magnitude, and the second write voltage having a second magnitude being greater than the first magnitude. The ferroelectric layer having a ferroelectric imprint polarization direction, and the first polarization direction being substantially the same as the ferroelectric imprint polarization direction. The ferroelectric medium contains first bits with a first surface area that is substantially equal to second bits surface area. A probe storage apparatus can use this method and ferroelectric medium. | 03-04-2010 |
Tong Zhao, Freemont, CA US
Patent application number | Description | Published |
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20090161266 | TMR device with surfactant layer on top of cofexby/cofez inner pinned layer - A high performance TMR element is fabricated by inserting an oxygen surfactant layer (OSL) between a pinned layer and AlOx tunnel barrier layer in a bottom spin valve configuration. The pinned layer preferably has a SyAP configuration with an outer pinned layer, a Ru coupling layer, and an inner pinned layer comprised of CoFe | 06-25-2009 |
Tong Zhao, Shanghai CN
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20110301761 | CONTROL SYSTEMS AND METHODS FOR CONTROLLING A DRY FEED SYSTEM TO CONVEY A SOLID FUEL - A control system for controlling a dry feed system to convey a solid fuel includes multiple sensors, a pressurizing gas controller, at least one assistant gas controller and multiple gas valves. The sensors generate multiple measurement signals signifying characteristics of the dry feed system. The pressuring gas controller calculates a feed tank pressure bias or/and a pressuring gas flow bias based on a solid flow rate and generates a first control signal based on the pressure bias or/and the pressurizing gas flow bias. The assistant gas controller calculates an assistant gas bias based on a solid loading ratio and generates a second control signal based on the assistant gas bias. The gas valves are driven by the first or/and second control signals to regulate the solid fuel. A control method is also described. | 12-08-2011 |
20120117874 | SYSTSEMS AND METHODS FOR PROCESSING SOLID POWDERS - A system for gasification of a solid powder is provided. The system comprises one or more conveying tanks configured to receive a solid powder and one or more solid pumps disposed downstream of and in fluid communication with the one or more respective conveying tanks. The system further comprises a gasifier disposed downstream of and in fluid communication with the one or more solid pumps. A conveyance unit and a method for conveyance and gasification of a solid powder are also presented. | 05-17-2012 |
20130119904 | METHOD AND SYSTEM FOR CONTROLLING MOTOR - A method for controlling a motor is provided. The method comprises obtaining electrical signals of the motor with a signal unit, the electrical signals comprising a motor torque and an angular velocity, calculating a voltage phase angle of a voltage vector with a calculating component, wherein a command torque, the motor torque, the angular velocity and a voltage amplitude of the voltage vector are inputs of the calculating component, and wherein the voltage phase angle is a variable and the voltage amplitude is a constant. The method further comprises modulating the voltage phase angle and the voltage amplitude to a switching signal for controlling an inverter; converting a direct current voltage to the voltage vector according to the switching signal, and applying the voltage vector to the motor. | 05-16-2013 |
20130204547 | SYSTEMS AND METHODS FOR DETERMINING A REAL TIME SOLID FLOW RATE IN A SOLID-GAS MIXTURE - A system for determining a real time solid flow rate of a solid-gas mixture is provided. The system includes multiple sensors, a data-fusion unit and an estimating unit. The sensors generate multiple measurement signals for obtaining at least two measured values of the real time solid flow rate. The data-fusion unit receives the measured values and establishes a state-space model based on the measured values. The estimating unit estimates the state-space model to generate an estimated value of the real time solid flow rate. A method for determining a real time solid flow rate of a solid-gas mixture is also presented. | 08-08-2013 |
20130249315 | SWITCHING COMPONENT AND SWITCH SYSTEM COMPRISING THE SAME - A switching component comprising a number of switch sets in parallel is disclosed herein. Each switch set comprises a number of power switches and a backup power switch in series. The backup power switch has a default position of closed. Rated powers of the power switches and the backup power switch are less than a rated power of the switching component, and the switching component is modular. A switch system comprising the switching component is also described herein. | 09-26-2013 |
Tong Zhao, Palm City, FL US
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20130116061 | STATISTICALLY BASED GOLF SWING ANALYSIS KIT - A golf swing analysis kit including a first member that rests on the floor; a second member that is secured to a wall or otherwise securably hung or placed; a third member that can both rest on the first member or removably connect to the front side of the second member; a fourth member that projects the third member from a stationary position resting atop the first member to removably attach to the second member, and a method of analyzing consistency of the projected third member location and correlation to improve a golf swing. | 05-09-2013 |
Tong Zhao, Tianjin CN
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20140246767 | SEMICONDUCTOR DEVICE AND METHOD OF ASSEMBLING SAME - A semiconductor device includes a lead frame having a down bond area, a die attach area and a dam formed between the down bond area and the die attach area. A bottom of the dam is attached on a surface of the lead frame. The dam prevents contamination of the down bond area from die attach material, which may occur during a die attach process. | 09-04-2014 |