mhurhangee/ep-ind-claims huggingface dataset:
Method for operating an electric circuit for generating electric power, in which an asynchronous generator comprises a stator and a rotor, the asynchronous generator being coupled on the stator side to a power supply grid, and in which the rotor current (I R) flowing to the rotor of the asynchronous generator is measured, wherein in the case of a fault in the power supply grid, the stator current (Is) flowing to the stator of the asynchronous generator is calculated from the measured rotor current (I R) as a function of parameters of the asynchronous generator, characterized in that during fault-free operation of the power supply grid, the stator current (Is) is calculated from the measured rotor current (I R) according to the following equation: i S_a i S_r = X h * X S R S 2 + X S 2 ⁢ - 1 R S X S - R S X S - 1 * i R_a r R_r + i μ ⁢ 0 having the following parameters: i S_a stator active current i S_r stator reactive current i R_a rotor active current i R_r rotor reactive current i μ0 magnetizing current R S stator active resistance X S stator reactance X h reactance wherein the measured stator current (Is) and the calculated stator current (Is) are compared, and wherein the following parameters of the asynchronous machine are changed as a function thereof so that the parameters of the asynchronous machine can be optimised gradually during fault-free operation of the power supply grid: a ratio R S /X S; a ratio X h /X S ≈(X h *X S)/(R S 2 +X S 2); and the magnetizing current i μ0; wherein the initial value for the ratio Rs/Xs is obtained from a datasheet of the asynchronous machine or is set to zero, wherein the initial value for the ratio X h /X S is obtained from said datasheet or is set to one, and wherein the initial value for the magnetizing current (i μ0) is determined from a measurement of the mains voltage (Un) using a characteristic curve of the magnetizing current (i μ0) which is dependent on the mains voltage (Un). i S_a stator active current i S_r stator reactive current i R_a rotor active current i R_r rotor reactive current i μ0 magnetizing current R S stator active resistance X S stator reactance X h reactance a ratio R S /X S; a ratio X h /X S ≈(X h *X S)/(R S 2 +X S 2); and the magnetizing current i μ0; wherein the initial value for the ratio Rs/Xs is obtained from a datasheet of the asynchronous machine or is set to zero, wherein the initial value for the ratio X h /X S is obtained from said datasheet or is set to one, and wherein the initial value for the magnetizing current (i μ0) is determined from a measurement of the mains voltage (Un) using a characteristic curve of the magnetizing current (i μ0) which is dependent on the mains voltage (Un).
Mounting for an injector, having at least one main body and having a cap for the common receptacle of the injector, wherein the main body is formed by interconnected metal sheets (6, 7) which together form at least one annular chamber which extends around the receptacle, wherein the at least one annular chamber can be connected to a cooling medium inlet and to a cooling medium outlet.
A vertical ring high gradient magnetic separator, comprising an exciting winding coil and a coil casing, the winding coil being immerged in coolant in the coil casing, wherein the winding coil is of a multi-layer structure, and an insulating member is provided between each layer or a plurality of layers of the winding coil to form gaps through which the coolant passes, wherein the insulating member comprises first insulating pad strips located between each layer or a plurality of layers of the winding coil, which are arranged inclinedly with respect to a flow direction of the coolant and are spaced apart from each other; and wherein the vertical ring high gradient magnetic separator further comprises second insulating pad strips connecting the first insulating pad strips, the second insulating pad strips are arranged intersecting with the first insulating pad strips and are embedded in notches of the first insulating pad strips.
A composition having a melt flow rate MFR 2 (230°C) measured according to ISO 1133 in the range of 5 to 40 g/10min, said composition comprising (a) one or more heterophasic propylene copolymers (HECO), wherein the one or more heterophasic propylene copolymers (HECO) are contained in a total amount of at least 40 wt.-%; (b) a high density polyethylene (HDPE) in an amount of at least 5.0 wt.-%; (c) an inorganic antiblocking agent in an amount of 0.5 to 5.0 wt.-%; (d) optionally a reinforcing mineral filler in an amount of more than 5.0 to 30.0 wt.-%; based on the total weight of the composition, wherein further the inorganic antiblocking agent and the reinforcing mineral filler are chemically different and the inorganic antiblocking agent is selected from natural and synthetic silica, alumina-silicate ceramic spheres, cross-linked polymeric spheres, and zeolites. (a) one or more heterophasic propylene copolymers (HECO), wherein the one or more heterophasic propylene copolymers (HECO) are contained in a total amount of at least 40 wt.-%; (b) a high density polyethylene (HDPE) in an amount of at least 5.0 wt.-%; (c) an inorganic antiblocking agent in an amount of 0.5 to 5.0 wt.-%; (d) optionally a reinforcing mineral filler in an amount of more than 5.0 to 30.0 wt.-%;
System comprising a first electroacoustic transducer connected to an interrogation unit and at least one second electroacoustic transducer electrically connected to a resonator, wherein the first electroacoustic transducer and the second electroacoustic transducer form an acoustic channel and the second electroacoustic transducer is electrically connected to the resonator and forms with the resonator a passive cooperative target which, upon receiving an interrogation signal from the interrogation unit, transmits a response signal via the acoustic channel, and the interrogation signal has a higher energy than the response signal.
A coating comprising at least two sublayer systems in which each sublayer system is separated from another by an interlayer, wherein (i) each sublayer system is the same or different and comprises at least four layers, (ii) said layers comprise alternating layers of a nitride-containing compound of stoichiometric composition and a nitride-containing compound of nonstoichiometric composition, (iii) each sublayer system has a thickness of greater than about 0.4 microns, and (iv) cach interlayer is the same or different and is a metal layer wherein the metal is selected from titanium, zirconium or titanium aluminum; and (v) wherein the thickness of said layer of a nitride-containing compound of nonstoichiometric composition is greater than the thickness of said layer of a nitride-containing compound of stoichiometric composition, and the thickness of said interlayer is greater than the thickness of said layer of a nitride-containing compound of stoichiometric composition. (i) each sublayer system is the same or different and comprises at least four layers, (ii) said layers comprise alternating layers of a nitride-containing compound of stoichiometric composition and a nitride-containing compound of nonstoichiometric composition, (iii) each sublayer system has a thickness of greater than about 0.4 microns, and (iv) cach interlayer is the same or different and is a metal layer wherein the metal is selected from titanium, zirconium or titanium aluminum; and (v) wherein the thickness of said layer of a nitride-containing compound of nonstoichiometric composition is greater than the thickness of said layer of a nitride-containing compound of stoichiometric composition, and the thickness of said interlayer is greater than the thickness of said layer of a nitride-containing compound of stoichiometric composition.
A polishing composition for polishing a tungsten-containing metal layer formed on an insulating layer, the polishing composition comprising: abrasive grains; one or more halogen acids selected from the group consisting of iodic acid, iodous acid, and hypoiodous acid; a strong acid; a hydrogen-ion-supplying agent; and water, wherein the strong acid is one or more selected from the group consisting of nitric acid, hydrochloric acid, and sulfuric acid, and wherein the hydrogen-ion-supplying agent is one or more selected from the group consisting of a salt of a strong acid and a weak base, and a weak acid selected from phosphoric acid, lactic acid, maleic acid, and oxalic acid. abrasive grains; one or more halogen acids selected from the group consisting of iodic acid, iodous acid, and hypoiodous acid; a strong acid; a hydrogen-ion-supplying agent; and water,
A voltage adjusting apparatus, comprising a first serial transformer having a primary side connected in series to a power supply; and a parallel transformer having a primary side connected in parallel to the power supply; characterized in that it comprises: a second serial transformer having a primary side connected in series to a secondary side of the first serial transformer and to a secondary side of the parallel transformer; and an AC/DC converter having an AC side connected to a secondary side of the second serial transformer. a second serial transformer having a primary side connected in series to a secondary side of the first serial transformer and to a secondary side of the parallel transformer; and an AC/DC converter having an AC side connected to a secondary side of the second serial transformer.
A voltage signal identification method for a micro-energy device based on back propagation, BP, neural network, comprising: S1, sampling dynamic voltages of integrated micro-energy devices of three types, including a micro fuel cell, a vibration energy collector, and a micro photovoltaic cell, in an open-circuit state to obtain original voltage signals, and denoising the original voltage signals by an adaptive threshold wavelet transform; S2, extracting respective peak values R of the denoised original voltage signals, so as to obtain model input data; S3, establishing and training a BP neural network model by inputting the model input data into the BP neural network, and stopping training when a training error is smaller than a preset value, to obtain a qualified BP neural network model; S4, identifying a to-be-identified voltage signal corresponding to one of the three types of the integrated micro-energy devices by using the qualified BP neural network model obtained in step S3. based on back propagation, BP, neural network, comprising: S1, sampling dynamic voltages of integrated micro-energy devices of three types, including a micro fuel cell, a vibration energy collector, and a micro photovoltaic cell, in an open-circuit state to obtain original voltage signals, and denoising the original voltage signals by an adaptive threshold wavelet transform; S2, extracting respective peak values R of the denoised original voltage signals, so as to obtain model input data; S3, establishing and training a BP neural network model by inputting the model input data into the BP neural network, and stopping training when a training error is smaller than a preset value, to obtain a qualified BP neural network model; S4, identifying a to-be-identified voltage signal corresponding to one of the three types of the integrated micro-energy devices by using the qualified BP neural network model obtained in step S3.
A vibration control assembly for an aircraft comprising: a housing configured to be coupled the aircraft; a cage disposed within an interior region of the housing, the cage rotatable within the housing about a first axis; a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis, wherein the gyroscope wheel is configured to impose a controllable moment on the aircraft upon rotation of the gyroscope wheel to counter vibratory moments produced by the aircraft; and wherein the vibration control assembly further comprises a planetary gear arrangement configured to transmit power to the gyroscope wheel to rotate the gyroscope wheel about the second axis, the planetary gear arrangement comprising a sun gear; a motor operatively coupled to the cage with a motor shaft to rotate the cage and to control precession of the vibration control assembly, the motor shaft rotatable about a motor axis, wherein the sun gear of the planetary gear arrangement is configured to rotate about the sun gear axis that coincides with the motor axis; and wherein the sun gear and the motor shaft are coaxially aligned with each other and with the first axis that the cage is configured to rotate about. a housing configured to be coupled the aircraft; a cage disposed within an interior region of the housing, the cage rotatable within the housing about a first axis; a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis, wherein the gyroscope wheel is configured to impose a controllable moment on the aircraft upon rotation of the gyroscope wheel to counter vibratory moments produced by the aircraft; and wherein the vibration control assembly further comprises a planetary gear arrangement configured to transmit power to the gyroscope wheel to rotate the gyroscope wheel about the second axis, the planetary gear arrangement comprising a sun gear; a motor operatively coupled to the cage with a motor shaft to rotate the cage and to control precession of the vibration control assembly, the motor shaft rotatable about a motor axis, wherein the sun gear of the planetary gear arrangement is configured to rotate about the sun gear axis that coincides with the motor axis; and wherein the sun gear and the motor shaft are coaxially aligned with each other and with the first axis that the cage is configured to rotate about.
A method for processing polymer biomaterial composites into pellets including the steps of extruding strands of a polymer biomaterial composite at an extrusion temperature of less than 220°C through a die plate into an underwater pelletizer (12,102), cutting the composite strands into pellets in said pelletizer, transporting said composite pellets from said pelletizer as a water and pellet slurry through a slurry line to a dryer (32, 108) and drying said composite pellets, characterized in that said step of transporting said composite pellets includes injecting high velocity air into said water and pellet slurry to cause said water to aspirate from said pellets and said pellets to retain internal heat, to reduce moisture uptake by said pellets, and to expedite transport and drying of said pellets, the injection of high velocity air contacting the pellet water slurry to generate water vapor by aspiration and disperse the pellets throughout said slurry line effectively separating the pellets from the water in the slurry line, and propagating those pellets at an increased velocity to said dryer (32, 108), and said drying step includes drying said polymer biomaterial composite pellets with latent heat in said pellets and without additional heating to a moisture level in said polymer biomaterial composite pellets of less than 1%.
A system for automatically displaying cross-sectional images of an intravascular ultrasound (IVUS) imaging procedure, the system comprising a control module including: a display; and a processor coupled to the display, the control module configured to perform the following method steps: receiving IVUS data representing data obtained at a plurality of sites along a lumen; and processing the IVUS data to form a set of cross-sectional images, wherein the cross-sectional images are longitudinally-offset from one another along a length of the lumen; characterised in that the control module is configured for automatically selecting, without user intervention, and concurrently displaying, on the display, i) a minimum lumen image from the set of cross-sectional images, ii) a maximum lumen image selected from at least a subset of the set of cross-sectional images, and iii) a numerical indication of area of stenosis calculated from a minimum lumen area and a maximum lumen area. a display; and a processor coupled to the display, the control module configured to perform the following method steps: receiving IVUS data representing data obtained at a plurality of sites along a lumen; and processing the IVUS data to form a set of cross-sectional images, wherein the cross-sectional images are longitudinally-offset from one another along a length of the lumen; characterised in that the control module is configured for automatically selecting, without user intervention, and concurrently displaying, on the display, i) a minimum lumen image from the set of cross-sectional images, ii) a maximum lumen image selected from at least a subset of the set of cross-sectional images, and iii) a numerical indication of area of stenosis calculated from a minimum lumen area and a maximum lumen area. receiving IVUS data representing data obtained at a plurality of sites along a lumen; and processing the IVUS data to form a set of cross-sectional images, wherein the cross-sectional images are longitudinally-offset from one another along a length of the lumen; characterised in that the control module is configured for automatically selecting, without user intervention, and concurrently displaying, on the display, i) a minimum lumen image from the set of cross-sectional images, ii) a maximum lumen image selected from at least a subset of the set of cross-sectional images, and iii) a numerical indication of area of stenosis calculated from a minimum lumen area and a maximum lumen area.
An anatomical dental implant arranged to be implanted in a naturally occurring cavity of the jawbone, the implant comprising at its apical side a root part arranged to anchor the implant in the cavity and at its occlusal side an abutment part arranged for supporting a dental prosthetic element, wherein the root part comprises an outer surface arranged to come into contact with the cavity walls, and wherein the root part comprises an outer section adjacent to the outer surface of the root part, characterized in that at least the outer section of the root part is a porous structure comprising a three-dimensional network of open interconnected pores such that the outer section of the root part is arranged to deform plastically upon insertion of the root part into the cavity such that the root part substantially conforms to the shape and size of the cavity.
An in vitro or ex vivo method for obtaining induced smooth muscle cells (iSMCs), the method comprising the steps of: (a) isolating skeletal muscle derived cells from skeletal muscle tissue obtained from a subject; (b) transdifferentiating skeletal muscle derived cells by cultivating the cells in a medium containing TGF-beta, in particular TGFb1, TGFb2 and/or TGFb3, more preferably TGFb1 and/or TGFb3, most preferably TGFb1, and heparin to obtain iSMCs, wherein the skeletal muscle derived cells are myogenic progenitor cells (MPCs) characterized by the positive expression of CD56 and desmin, and the negative expression of CD34; or wherein the skeletal muscle derived cells are mesenchymal stromal cells (MSCs) characterized by the positive expression of CD105, CD73, and the negative expression of CD34 and CD56. (a) isolating skeletal muscle derived cells from skeletal muscle tissue obtained from a subject; (b) transdifferentiating skeletal muscle derived cells by cultivating the cells in a medium containing TGF-beta, in particular TGFb1, TGFb2 and/or TGFb3, more preferably TGFb1 and/or TGFb3, most preferably TGFb1, and heparin to obtain iSMCs, wherein the skeletal muscle derived cells are myogenic progenitor cells (MPCs) characterized by the positive expression of CD56 and desmin, and the negative expression of CD34; or wherein the skeletal muscle derived cells are mesenchymal stromal cells (MSCs) characterized by the positive expression of CD105, CD73, and the negative expression of CD34 and CD56.
A projection system for projecting upon an upper surface of liquid, comprising: an agitation assembly (130, 230) selectively operable to agitate a portion of the upper surface of liquid to form a projection screen; and a projector assembly projecting light onto the projection screen on the upper surface of the liquid, wherein the liquid is at least translucent to light and wherein the projection screen on the upper surface reflects a portion of the projected light, wherein the agitation assembly (130, 230) comprises an aeration system including a distribution manifold with outlets discharging gas into the liquid, wherein the distribution manifold is positioned a depth below the upper surface of the liquid, wherein liquid is contained in an open container, and wherein the distribution manifold is positioned within the liquid whereby a projection screen is formed in an upper surface of the volume of the liquid in the open container via rising gas bubbles, and wherein the distribution manifold is positioned tilted to the upper surface of the liquid, so that the projection screen can be activated or deactivated in the controlled direction of the manifold. an agitation assembly (130, 230) selectively operable to agitate a portion of the upper surface of liquid to form a projection screen; and a projector assembly projecting light onto the projection screen on the upper surface of the liquid, wherein the liquid is at least translucent to light and wherein the projection screen on the upper surface reflects a portion of the projected light, wherein the agitation assembly (130, 230) comprises an aeration system including a distribution manifold with outlets discharging gas into the liquid, wherein the distribution manifold is positioned a depth below the upper surface of the liquid, wherein liquid is contained in an open container, and wherein the distribution manifold is positioned within the liquid whereby a projection screen is formed in an upper surface of the volume of the liquid in the open container via rising gas bubbles, and wherein the distribution manifold is positioned tilted to the upper surface of the liquid, so that the projection screen can be activated or deactivated in the controlled direction of the manifold.