Patent application number | Description | Published |
20090069414 | Epicatechin and vasodilation - This invention relates to compositions comprising epicatechin and method of use of such compositions for inducing vasodilation of blood vessels in humans and veterinary animals. | 03-12-2009 |
20090117072 | Treatment of periodontal disease - This invention relates to a method of therapeutic or prophylactic treatment of periodontal disease comprising administering to a subject in need thereof epicatechin and/or catechin and/or a polymeric compound of formula A | 05-07-2009 |
20100048920 | Preparation of (+)-Catechin, (-)-Epicatechin, (-)-Catechin, and (+)-Epicatechin and Their 5,7,3',4'-Tetra-O-Benzyl Analogues - Processes for preparing racemic mixtures of 5,7,3′,4′-tetra-O-benzyl-(±)-catechin and (±)-epicatechin involves (i) condensing 2-hydroxy-4,6-bis(benzyloxy)-acetophenone and 3,4-bis(benzyloxy)benzaldehyde, cyclizing the resulting compound, oxidizing the resulting compound; (ii) dihydroxylating (E)-3-(3′,4′-bis(benzyloxy)phenyl)prop-2-ene-1-ol and reducing the 1,2-diol; or (iii) coupling 3,5-bis(benzyloxy)phenol with (E)-3,5-bis(benzyloxy)-2-(3′,4′-bis(benzyloxy)phenyl)allyl)phenol and cyclizing the resulting chalcone. | 02-25-2010 |
20110257259 | NUT SKIN PRODUCTS AND METHODS OF USE THEREOF - The invention relates to a method of treating or preventing a nitric oxide (NO)-responsive disease or disorder by administering to a subject in need thereof a composition, including foods such as confectionary and pet foods, comprising nut skins and/or a procyanidin-containing nut skins extract. Said composition may further comprise cocoa polyphenol(s) and/or L-arginine. | 10-20-2011 |
Patent application number | Description | Published |
20090283028 | NITRIDE SEMICONDUCTOR HETEROSTRUCTURES AND RELATED METHODS - Semiconductor structures and devices based thereon include an aluminum nitride single-crystal substrate and at least one layer epitaxially grown thereover. The epitaxial layer may comprise at least one of AlN, GaN, InN, or any binary or tertiary alloy combination thereof, and have an average dislocation density within the semiconductor heterostructure is less than about 10 | 11-19-2009 |
20100135349 | NITRIDE SEMICONDUCTOR HETEROSTRUCTURES AND RELATED METHODS - Semiconductor structures and devices based thereon include an aluminum nitride single-crystal substrate and at least one layer epitaxially grown thereover. The epitaxial layer may comprise at least one of AlN, GaN, InN, or any binary or tertiary alloy combination thereof, and have an average dislocation density within the semiconductor heterostructure is less than about 10 | 06-03-2010 |
20100187541 | Doped Aluminum Nitride Crystals and Methods of Making Them - Fabrication of doped AlN crystals and/or AlGaN epitaxial layers with high conductivity and mobility is accomplished by, for example, forming mixed crystals including a plurality of impurity species and electrically activating at least a portion of the crystal. | 07-29-2010 |
20100264460 | THICK PSEUDOMORPHIC NITRIDE EPITAXIAL LAYERS - In various embodiments, a semiconductor device includes an aluminum nitride single-crystal substrate, a pseudomorphic strained layer disposed thereover that comprises at least one of AlN, GaN, InN, or an alloy thereof, and, disposed over the strained layer, a semiconductor layer that is lattice-mismatched to the substrate and substantially relaxed. | 10-21-2010 |
20100314551 | In-line Fluid Treatment by UV Radiation - A UV source is regulated according to one or more purification parameters to produce a desired germicidal effect in a liquid while minimizing wasted power. | 12-16-2010 |
20110008621 | ALUMINUM NITRIDE BULK CRYSTALS HAVING HIGH TRANSPARENCY TO ULTRAVIOLET LIGHT AND METHODS OF FORMING THEM - In various embodiments, methods of forming single-crystal AlN include providing a substantially undoped polycrystalline AlN ceramic having an oxygen concentration less than approximately 100 ppm, forming a single-crystal bulk AlN crystal by a sublimation-recondensation process at a temperature greater than approximately 2000° C., and cooling the bulk AlN crystal to a first temperature between approximately 1500° C. and approximately 1800° C. at a first rate less than approximately 250° C./hour. | 01-13-2011 |
20110011332 | METHOD AND APPARATUS FOR PRODUCING LARGE, SINGLE-CRYSTALS OF ALUMINUM NITRIDE - A method and apparatus for producing bulk single crystals of AlN having low dislocation densities of about 10,000 cm | 01-20-2011 |
20120000414 | GROWTH OF LARGE ALUMINUM NITRIDE SINGLE CRYSTALS WITH THERMAL-GRADIENT CONTROL - In various embodiments, non-zero thermal gradients are formed within a growth chamber both substantially parallel and substantially perpendicular to the growth direction during formation of semiconductor crystals, where the ratio of the two thermal gradients (parallel to perpendicular) is less than 10, by, e.g., arrangement of thermal shields outside of the growth chamber. | 01-05-2012 |
20120104355 | THICK PSEUDOMORPHIC NITRIDE EPITAXIAL LAYERS - In various embodiments, a semiconductor device includes an aluminum nitride single-crystal substrate, a pseudomorphic strained layer disposed thereover that comprises at least one of AlN, GaN, InN, or an alloy thereof, and, disposed over the strained layer, a semiconductor layer that is lattice-mismatched to the substrate and substantially relaxed. | 05-03-2012 |
20140093671 | LARGE ALUMINUM NITRIDE CRYSTALS WITH REDUCED DEFECTS AND METHODS OF MAKING THEM - Reducing the microvoid (MV) density in AlN ameliorates numerous problems related to cracking during crystal growth, etch pit generation during the polishing, reduction of the optical transparency in an AlN wafer, and, possibly, growth pit formation during epitaxial growth of AlN and/or AlGaN. This facilitates practical crystal production strategies and the formation of large, bulk AlN crystals with low defect densities—e.g., a dislocation density below 10 | 04-03-2014 |
20140203311 | PHOTON EXTRACTION FROM NITRIDE ULTRAVIOLET LIGHT-EMITTING DEVICES - In various embodiments, a rigid lens is attached to a light-emitting semiconductor die via a layer of encapsulant having a thickness insufficient to prevent propagation of thermal expansion mismatch-induced strain between the rigid lens and the semiconductor die. | 07-24-2014 |
20140231725 | DOPED ALUMINUM NITRIDE CRYSTALS AND METHODS OF MAKING THEM - Fabrication of doped AlN crystals and/or AlGaN epitaxial layers with high conductivity and mobility is accomplished by, for example, forming mixed crystals including a plurality of impurity species and electrically activating at least a portion of the crystal. | 08-21-2014 |
20140264263 | PSEUDOMORPHIC ELECTRONIC AND OPTOELECTRONIC DEVICES HAVING PLANAR CONTACTS - In various embodiments, light-emitting devices incorporate smooth contact layers and polarization doping (i.e., underlying layers substantially free of dopant impurities) and exhibit high photon extraction efficiencies. | 09-18-2014 |
20150013592 | DEFECT REDUCTION IN SEEDED ALUMINUM NITRIDE CRYSTAL GROWTH - Bulk single crystal of aluminum nitride (AlN) having an areal planar defect density ≦100 cm | 01-15-2015 |
20150020731 | DEFECT REDUCTION IN SEEDED ALUMINUM NITRIDE CRYSTAL GROWTH - Bulk single crystal of aluminum nitride (AlN) having an areal planar defect density≦100 cm | 01-22-2015 |
20150218728 | GROWTH OF LARGE ALUMINUM NITRIDE SINGLE CRYSTALS WITH THERMAL-GRADIENT CONTROL - In various embodiments, non-zero thermal gradients are formed within a growth chamber both substantially parallel and substantially perpendicular to the growth direction during formation of semiconductor crystals, where the ratio of the two thermal gradients (parallel to perpendicular) is less than 10, by, e.g., arrangement of thermal shields outside of the growth chamber. | 08-06-2015 |
20150218729 | ALUMINUM NITRIDE BULK CRYSTALS HAVING HIGH TRANSPARENCY TO ULTRAVIOLET LIGHT AND METHODS OF FORMING THEM - In various embodiments, methods of forming single-crystal AlN include providing a substantially undoped polycrystalline AlN ceramic having an oxygen concentration less than approximately 100 ppm, forming a single-crystal bulk AlN crystal by a sublimation-recondensation process at a temperature greater than approximately 2000° C., and cooling the bulk AlN crystal to a first temperature between approximately 1500° C. and approximately 1800° C. at a first rate less than approximately 250° C./hour. | 08-06-2015 |
20150275393 | DEFECT REDUCTION IN SEEDED ALUMINUM NITRIDE CRYSTAL GROWTH - Bulk single crystal of aluminum nitride (AlN) having an areal planar defect density≦100 cm | 10-01-2015 |
20150280057 | METHODS OF FORMING PLANAR CONTACTS TO PSEUDOMORPHIC ELECTRONIC AND OPTOELECTRONIC DEVICES - In various embodiments, smooth contact layers are formed on polarization-doped light-emitting devices to enable high photon extraction efficiencies. | 10-01-2015 |
20160027975 | PHOTON EXTRACTION FROM ULTRAVIOLET LIGHT-EMITTING DEVICES - In various embodiments, a layer of organic encapsulant is provided over a surface of an ultraviolet (UV) light-emitting semiconductor die, and at least a portion of the encapsulant is exposed to UV light to convert at least some of said portion of the encapsulant into non-stoichiometric silica material. The non-stoichiometric silica material includes silicon, oxygen, and carbon, and a carbon content of the non-stoichiometric silica material is greater than 1 ppm and less than 40 atomic percent. | 01-28-2016 |
Patent application number | Description | Published |
20090324438 | Variable flow pumping system - A variable displacement pump and pump control system therefor to pump a fluid at selected pump output flow rates having a variable displacement pump and a fluid volume displacement selection controller to select a volume of fluid to be forced from the pump inlet to the pump outlet by the rotating member during a rotation thereof. A movable lead screw is coupled to the displacement selection controller so as to be capable of altering the position thereof, and a lead screw positioner is provided for selectively moving, or preventing the moving of, the movable lead screw by extending and retracting the lead screw through a threaded opening. | 12-31-2009 |
20110033190 | DIGITAL HARNESS WITH ANALOG INPUTS - A digital data harness, uses a signal specific conditioning circuit to interface with analog sensors. The signal specific conditioning circuits convert data signals from analog to digital and thereby allow the signals to be transmitted over a digital data harness. | 02-10-2011 |
20110139270 | THERMAL SWITCHED COOLING ORIFICE FOR ACTUATION SYSTEMS - An actuator includes features that reduce the energy drawn from the engine by reducing and/or eliminating the flow requirement during normal operating conditions. A normally closed cooling orifice opens responsive to an elevated temperature to allow cooling fluid flow. Once the temperature returns to normal ranges, the thermally expanding material retracts and the valve returns to a closed position to stop cooling flow. | 06-16-2011 |
20110302903 | LUBRICATION DRIVEN GAS TURBINE ENGINE ACTUATION SYSTEM - A lubrication system for a gas turbine engine includes a variable output lubricant pump operable to supply lubricant to an actuator system. | 12-15-2011 |
20120063879 | ENERGY EFFICIENT IPS BLOWER ASSEMBLY - According to the invention a method and apparatus relating to a blower that is used in an environment of particle contaminated air, as with a helicopter engine, is disclosed. The blower has a power input, a fan, a power output attaching to the fan, and a clutch disposed between the power input and the power output whereby the power input may be selectively coupled to the power output to move the fan to vent the particle contaminated air. The clutch, which may be electrically, mechanically or hydraulically engaged, is activated by a user, a particle or altitude sensor, or by a full authority digital electronic controller (“FADEC”). | 03-15-2012 |
20140109584 | MODULATING ELECTRIC LIQUID METERING VALVE WITH FLOW SENSING - A fluid flow valve includes a movable valve piston positioned in a valve body, the valve piston configured to flow a fluid therethrough. A metering window is interactive with the movable valve piston to meter flow through the movable valve piston. A flow meter is positioned at the valve piston to measure a flow rate of fluid through the valve piston. A valve controller is operable connected to the flow meter and the movable valve piston to control position of the valve piston based on flow rate measured at the flow meter. | 04-24-2014 |
20140216245 | HIGH GAIN SERVO VALVE - A servo valve includes a movable throttling member positioned between a first opening and an opposing second opening, and a first inlet port and a second inlet port to convey a fluid flow toward the first and opening, respectively. A first inlet orifice, defined between the first inlet port and a first pressure reaction member, is located between and in fluid communication with the first inlet port and the first opening. A second inlet orifice, is located between and in fluid communication with the second inlet port and the second opening. The second pressure reaction member is secured to the first pressure reaction member at a substantially fixed distance. Each of the first inlet orifice and the second inlet orifice is variable via a change a pressure of the fluid flow downstream of the first inlet orifice and the second inlet orifice. | 08-07-2014 |
20140290266 | FUEL AND ACTUATION SYSTEM FOR GAS TURBINE ENGINE - A fuel system for an aircraft comprises a boost pump, a main fuel pump and a motive pump. The boost pump receives fuel from a storage unit. The main fuel pump receives fuel from the boost pump and delivers fuel to a distribution system. The motive fuel pump receives fuel from the boost pump, routes fuel through the storage unit, and delivers fuel to an actuator. A method for delivering fuel in an aircraft comprises pumping fuel from a fuel tank to a distribution system using a main pump, pumping fuel from a fuel tank to an actuator using a motive pump, and routing fuel from the actuator to the main pump | 10-02-2014 |
20140324238 | SELF POWERED FLUID METERING UNITS - A system includes a metering module that receives fluid through a fluid inlet. The metering module includes a rotating component driven by the fluid, an electric machine, and a controller. The fluid is received from the fluid inlet at an inlet flow rate, and the rotating component provides the fluid to an outlet of the rotating component at an outlet pressure. The electric machine is configured to generate electrical power in response to rotation of the rotating component. The controller is powered by the electrical power generated by the electric machine, and controls a rotational speed of the rotating component to control the outlet pressure. | 10-30-2014 |
20150023776 | FLUID COOLING ARRANGEMENT FOR A GAS TURBINE ENGINE AND METHOD - A fluid cooling arrangement in a gas turbine engine for aerospace propulsion includes an inner structure. Also included is an outer structure disposed radially outwardly of the inner structure, the outer structure and the inner structure defining a bypass flow path. Further included is at least one strut operatively coupling the inner structure to the outer structure. Yet further included is at least one cooling tube formed within the at least one strut, the at least one cooling tube configured to cool a fluid passing through the at least one cooling tube upon convective cooling of the at least one strut as air passes through the bypass flow path and over the at least one strut. | 01-22-2015 |
20150027669 | HEAT EXCHANGER WITH EMBEDDED HEAT PIPES - A heat exchanger is disclosed which includes a plurality of heat exchanger plates. Each plate has a plurality of hollowed out pins arranged in a pin fin pattern. Each plate also includes an inlet aperture and an outlet aperture in fluid communication with one another. A plurality of heat pipes are defined by several of the plurality of hollowed out pins. A wicking material is arranged within the several hollowed out pins. A heat transfer fluid at least partially fills each heat pipe. | 01-29-2015 |
20150034278 | HEAT PIPE MATRIX FOR ELECTRONICS COOLING - A heat pipe system and methods of arranging a heat pipe system are provided. The heat pipe system includes a plurality of heat pipes, with each of the plurality of heat pipes including a hot end thermally coupled to a heat source and a cold end thermally coupled to a heat sink The plurality of heat pipes include a first pair of heat pipes. When the plurality of heat pipes are secured to a rotatable body, the first pair of heat pipes are aligned with and oriented in opposing directions along a first axis of rotation of the rotatable body. | 02-05-2015 |
20150048617 | HEATED BYPASS VALVE FOR HEAT EXCHANGER - A heat exchanger bypass system comprises a liquid circuit, a first fluid circuit, a second fluid circuit, a first heat exchanger, a second heat exchanger, a liquid bypass line and a heated bypass valve. The first heat exchanger thermally couples the first fluid circuit to the liquid circuit. The second heat exchanger thermally couples the second fluid circuit to the liquid circuit. The liquid bypass line circumvents the first heat exchanger. The heated bypass valve controls flow through the liquid bypass line. | 02-19-2015 |
20150097130 | FLUX BYPASS FOR SOLENOID ACTUATOR - An electromagnetic solenoid actuator comprises a ferromagnetic core and a ferromagnetic plunger. The ferromagnetic core supports a plurality of windings, and is oriented along an axis. The ferromagnetic plunger is aligned axially with the ferromagnetic core, and is translatable along the axis to vary a width of an air gap separating the ferromagnetic plunger from the ferromagnetic core. The ferromagnetic plunger and the ferromagnetic core overlap axially at a flux bypass that provides an alternative flux path that diverts increasing flux away from the air gap as the width of air gap decreases. | 04-09-2015 |
20150101339 | ENERGY EFFICIENT PUMP SYSTEM - A fuel system for a gas turbine engine, which includes a combustor section and an actuator, includes a fuel source, a combustor system, and an actuation system. The combustor system includes a combustor pump that is fluidly connected to the fuel source and to the combustor section, with the combustor pump being mechanically connected to and powered by an electric motor. The actuation system includes an actuator pump that is fluidly connected to the fuel source and to the actuator, with the actuator pump being mechanically connected to and powered by a gearbox or an electric motor. | 04-16-2015 |
20150124407 | HIGH-TEMPERATURE ENVIRONMENT ELECTRONIC CHASSIS - An electrical chassis for use in high temperature environments is disclosed. The electrical chassis may be employed, for example, in close proximity to the combustion chamber of a jet engine. The electrical chassis is constructed with a substrate formed from a material with low thermal conductivity and low electrical conductivity, such as polyetheretherketone. A reflective surface may be disposed on a housing containing the substrate to reduce the absorption of radiation. A heat sink and fluid inlet and outlet may also be arranged to remove heat generated by the electrical components. | 05-07-2015 |
20150284071 | CONTRA-ROTATING OPEN ROTOR DISTRIBUTED PROPULSION SYSTEM - A disclosed aircraft propulsion system includes a gas turbine engine supported within an aircraft fuselage, a main drive driven by the gas turbine engine and an open rotor propeller system supported outside of the aircraft fuselage separately from the gas turbine engine. A secondary drive that is driven by the main drive drives the open rotor propeller system. | 10-08-2015 |
20150349356 | HYBRID EMERGENCY POWER UNIT SYSTEM - An integrated hybrid emergency power system having various features is disclosed. A hybrid emergency power system may have an auxiliary power unit and an emergency power unit. The emergency power unit may have a fuel cell. The auxiliary power unit may have an engine. The emergency power unit may be connected to the auxiliary power unit by an emergency power unit efficiency improvement apparatus. In this manner, the operating efficiency of the emergency power unit may be enhanced. | 12-03-2015 |
20160025015 | ECOLOGY FUEL RETURN SYSTEMS - A shut-off valve includes a float and a negative G control component. The float is configured to occlude a tank outlet at a first fluid level and 1 G and unocclude the tank outlet at a second fluid level and 1 G. The negative G control component is operatively connected to the float to limit fluid, e.g. liquid or gas, communication between a tank outlet and an ejector pump during negative G events. An ecology fuel return system includes a tank, an ejector pump, a float, and a negative G control component, as described above. The tank has an inlet and an outlet. The inlet is configured to be in fluid communication with components of an engine. The ejector pump is in fluid communication with the tank outlet and is configured to pump fuel from the tank to a fuel pump inlet of an engine. | 01-28-2016 |
20160031566 | SCREEN AND SCREEN ELEMENTS FOR FUEL SYSTEMS - A screen element for a fuel system includes a first screen and a second screen. The first screen defines a first aperture and the second screen defines a second aperture. The first aperture and the second aperture are arranged out of circumferential alignment with one another such that a torturous flow path is defined through the apertures for capturing particles smaller than the apertures in a collection cavity defined between the screens. | 02-04-2016 |
20160096632 | ELECTRIC ARCHITECTURE WITH POWER STORAGE CELLS - An architecture for providing power to an aircraft comprises a power supply. The power supply provides power to a plurality of components. An array has a plurality of storage cells. The plurality of storage cells includes capacitors which are charged by the power supply, and which selectively provide power to the components. The array is mounted on a fan case. An engine is also disclosed. | 04-07-2016 |
20160097601 | HEAT TRANSFER FINS - A heat exchanger includes a fin body and a heat pipe having a first portion disposed on or at least partially within the fin body and a second portion extending from the fin body, wherein the heat pipe includes a hollow core filled with a heat pipe working fluid having a liquid phase that is configured to transition to gas and to be returned to the liquid phase at an operational temperature of the heat exchanger. | 04-07-2016 |