mhurhangee/ep-ind-claims huggingface dataset:
A method of detecting enclosure leakage of an electrodynamic loudspeaker mounted in an enclosure, comprising steps of: applying an audio signal to a voice coil of the electrodynamic loudspeaker through an output amplifier, detecting a voice coil current (Icoil) flowing into the voice coil, detecting a voice coil (Vcoil) voltage across the voice coil, characterised by applying the detected voice coil current and the detected voice coil voltage to an adaptive digital model of the loudspeaker, said adaptive digital model comprising a plurality of adaptable model parameters, computing the fundamental resonance frequency of the loudspeaker from one or more of the adaptable parameters of the adaptive digital model of the loudspeaker, comparing the determined fundamental resonance frequency (f 0) of the loudspeaker with a nominal fundamental resonance frequency of the loudspeaker representing a sealed state of the enclosure, detecting acoustic leakage of the enclosure based on a deviation between the determined fundamental resonance frequency and the nominal fundamental resonance frequency of the electrodynamic loudspeaker, and wherein the audio signal comprises speech or music for presentation to a user. applying an audio signal to a voice coil of the electrodynamic loudspeaker through an output amplifier, detecting a voice coil current (Icoil) flowing into the voice coil, detecting a voice coil (Vcoil) voltage across the voice coil, characterised by applying the detected voice coil current and the detected voice coil voltage to an adaptive digital model of the loudspeaker, said adaptive digital model comprising a plurality of adaptable model parameters, computing the fundamental resonance frequency of the loudspeaker from one or more of the adaptable parameters of the adaptive digital model of the loudspeaker, comparing the determined fundamental resonance frequency (f 0) of the loudspeaker with a nominal fundamental resonance frequency of the loudspeaker representing a sealed state of the enclosure, detecting acoustic leakage of the enclosure based on a deviation between the determined fundamental resonance frequency and the nominal fundamental resonance frequency of the electrodynamic loudspeaker, and wherein the audio signal comprises speech or music for presentation to a user.
A method for dosing at least one water-soluble chemical of a solid or semisolid form into injection water for use in an underground reservoir, the method comprising the steps of: - placing a dosing plant device having at least one circulation circuit and a chemical tank underwater; - circulating water in at least the one circulation circuit in which the water comes into contact with the at least one water-soluble chemical of a solid or semisolid form, characterized in that the method further comprises the steps of: - circulating the water in the at least one circulation circuit until the water has reached a desired concentration of the at least one chemical; and - then dosing the chemical-containing water into the injection water through an ejector. - placing a dosing plant device having at least one circulation circuit and a chemical tank underwater; - circulating water in at least the one circulation circuit in which the water comes into contact with the at least one water-soluble chemical of a solid or semisolid form, characterized in that the method further comprises the steps of: - circulating the water in the at least one circulation circuit until the water has reached a desired concentration of the at least one chemical; and - then dosing the chemical-containing water into the injection water through an ejector.
Process for producing a polyethylene composition, comprising the steps of a) providing a cross-linkable ethylene copolymer composition having a first MFR 2, comprising monomer units with hydrolysable silane-groups, and polar monomer units, wherein the polar monomer units are selected from (C1-C6)-alkyl acrylate and (C1-C6)-alkyl (C1-C6)-alkylacrylate, b) adding a free radical generator in an amount of from 0.01 to 1 wt.% to the cross-linkable ethylene copolymer composition, based on the total amount of cross-linkable ethylene copolymer composition, c) treating the cross-linkable ethylene copolymer composition with the free radical generator by submitting composition including the added free radical generator to conditions where decomposition of free radical generator takes place and hence the formation of free radicals occurs to obtain a treated cross-linkable ethylene copolymer composition having a second MFR 2, wherein the second MFR 2 is lower than the first MFR 2, the MFR 2 being determined according to ISO 1133 at a temperature 190 °C and at a load of 2.16 kg, and wherein the first MFR 2 of the cross-linkable ethylene copolymer composition is from 1 to 100 g/10min and/or the second MFR 2 of the treated cross-linkable ethylene copolymer composition is from 0.1 to 10 g/10min. a) providing a cross-linkable ethylene copolymer composition having a first MFR 2, comprising monomer units with hydrolysable silane-groups, and polar monomer units, wherein the polar monomer units are selected from (C1-C6)-alkyl acrylate and (C1-C6)-alkyl (C1-C6)-alkylacrylate, monomer units with hydrolysable silane-groups, and polar monomer units, wherein the polar monomer units are selected from (C1-C6)-alkyl acrylate and (C1-C6)-alkyl (C1-C6)-alkylacrylate, b) adding a free radical generator in an amount of from 0.01 to 1 wt.% to the cross-linkable ethylene copolymer composition, based on the total amount of cross-linkable ethylene copolymer composition, c) treating the cross-linkable ethylene copolymer composition with the free radical generator by submitting composition including the added free radical generator to conditions where decomposition of free radical generator takes place and hence the formation of free radicals occurs to obtain a treated cross-linkable ethylene copolymer composition having a second MFR 2,
A system for configuring communication paths in a ship, aircraft or ground-based radio communications system including a plurality of collocated radios, a plurality of antennas and radio frequency distribution communications equipment in communication with the plurality of collocated radios and the plurality of antennas, said system characterized by: a graphical user interface display window including a list of a plurality of collocated radios and a list of paths by which the plurality of collocated radios communicates with the plurality of antennas via the radio frequency distribution communications equipment; and a keypad for accepting operator control operations to change at least one path displayed in said display window for an individual radio from a currently selected path to a desired path on condition that no conflict exists for the desired path and for setting a transmit amplifier output for a radio of the plurality collocated radios associated with the desired path to a power level required for the radio to meet a link range requirement. a graphical user interface display window including a list of a plurality of collocated radios and a list of paths by which the plurality of collocated radios communicates with the plurality of antennas via the radio frequency distribution communications equipment; and a keypad for accepting operator control operations to change at least one path displayed in said display window for an individual radio from a currently selected path to a desired path on condition that no conflict exists for the desired path and for setting a transmit amplifier output for a radio of the plurality collocated radios associated with the desired path to a power level required for the radio to meet a link range requirement.
A method for transmitting a physical uplink control channel, PUCCH, signal, the method comprising: transmitting the PUCCH signal based on a shortened PUCCH format, wherein the shortened PUCCH format is used, based on a first condition that a simultaneous transmission of the PUCCH signal and a sounding reference signal, SRS, is configured in a subframe and a second condition that the transmission of the PUCCH signal partly or fully overlaps with a bandwidth of a cell-specific SRS, wherein the shortened PUCCH format does not use a last orthogonal frequency division multiplexing, OFDM, symbol in the subframe, and wherein the PUCCH signal based on the shortened PUCCH format is mapped into resource elements, REs, in increasing order of first frequency indexes and then OFDM symbol indexes except for the last OFDM symbol, and wherein the last OFDM symbol is not applied with an orthogonal sequence. transmitting the PUCCH signal based on a shortened PUCCH format, wherein the shortened PUCCH format is used, based on a first condition that a simultaneous transmission of the PUCCH signal and a sounding reference signal, SRS, is configured in a subframe and a second condition that the transmission of the PUCCH signal partly or fully overlaps with a bandwidth of a cell-specific SRS, wherein the shortened PUCCH format does not use a last orthogonal frequency division multiplexing, OFDM, symbol in the subframe, and wherein the PUCCH signal based on the shortened PUCCH format is mapped into resource elements, REs, in increasing order of first frequency indexes and then OFDM symbol indexes except for the last OFDM symbol, and wherein the last OFDM symbol is not applied with an orthogonal sequence.
A device for blocking tool-holders on lathes, in particular for the rapid and precise blocking of tool-holders on CNC (Computer Numerical Control),single spindle or multi-spindle, lathes as well as on transfer machines, milling centres of any kind and, in general, on machine tools which perform machining with chip removal, paired with a tool-holder motorised or non-motorised connected to the support existing on said lathes, characterised in that it comprises an anchoring pawl with a female, truncated-cone shaped recess moved vertically with respect to the longitudinal axis of said tool-holder by mechanical or hydraulic means to drive said pawl to engage said female, truncated-cone shaped recess it is provided with, in an inclined, male truncated-cone appendage made on said tool-holder.
A chemical conversion treatment liquid for forming a trivalent chromium chemical conversion coating film on zinc or zinc alloy plating, characterized in that a content of trivalent chromium ions in the treatment liquid is 0.002 to 0.5 mol/l, a concentration of hexavalent chromium ions is 1 ppm or less, a content of cobalt ions is 0.005 to 0.04 mol/l, a hexavalent chromium generation suppressing agent that can suppress generation of hexavalent chromium which is generated in the trivalent chromium chemical conversion coating film and which is selected from the group consisting of a tannic acid and a salt thereof, gallic acid and a salt thereof, ascorbic acid and a salt thereof and a vanadium compound is contained in said liquid; wherein when the hexavalent chromium generation suppressing agent is the vanadium compound, the chemical conversion treatment liquid has a nitrogen content of 500 ppm or less in terms of nitrogen atoms; and wherein the hexavalent chromium generation suppressing agent is within the range of 0.2 to 3 g/l; and a pH of the chemical conversion treatment liquid is 2 to 3. a content of trivalent chromium ions in the treatment liquid is 0.002 to 0.5 mol/l, a concentration of hexavalent chromium ions is 1 ppm or less, a content of cobalt ions is 0.005 to 0.04 mol/l, a hexavalent chromium generation suppressing agent that can suppress generation of hexavalent chromium which is generated in the trivalent chromium chemical conversion coating film and which is selected from the group consisting of a tannic acid and a salt thereof, gallic acid and a salt thereof, ascorbic acid and a salt thereof and a vanadium compound is contained in said liquid; wherein when the hexavalent chromium generation suppressing agent is the vanadium compound, the chemical conversion treatment liquid has a nitrogen content of 500 ppm or less in terms of nitrogen atoms; and wherein the hexavalent chromium generation suppressing agent is within the range of 0.2 to 3 g/l; and wherein when the hexavalent chromium generation suppressing agent is the vanadium compound, the chemical conversion treatment liquid has a nitrogen content of 500 ppm or less in terms of nitrogen atoms; and wherein the hexavalent chromium generation suppressing agent is within the range of 0.2 to 3 g/l; and a pH of the chemical conversion treatment liquid is 2 to 3.
A radial or diagonal ventilator, having an impeller and a cylindrical drive unit, which can be rotated around the longitudinal axis, wherein the impeller can be operatively connected to the drive unit in two fastening planes, wherein the impeller has a base plate and blades arranged on the base plate, and wherein the blades are located on the side of the base plate facing the main air flow, wherein the base plate is composed of an upper shell (102, 401a-d) located on the side facing the main air flow, and of a lower shell (103, 402a-d) located on the side facing away from the main air flow, wherein, in the mounted state, the upper shell (102, 401a-d) and the lower shell (103, 402a-d) form a closed hollow space with the cylindrical drive unit, wherein a first fastening plane is arranged at the upper shell (102, 401a-d), and a second fastening plane is arranged at the lower shell (103, 402a-d), characterized in that fastening means (406c-d, 407, 408, 409c-d) are located in the respective fastening plane on the edge of the upper shell (102, 401a-d) and of the lower shell (103, 402a-d) facing the drive unit, and the drive unit has two flanges (202, 203, 403a-d, 404a-d, 602, 603), which are offset in the longitudinal axis, wherein the flanges (202, 203, 403a-d, 404a-d, 602, 603) have fastening means (406a-b, 409a-b, 410, 411), which can be releasably connected to the fastening means (406c-d, 407, 408, 409c-d) of the impeller, and wherein the upper shell (102, 401a-d) and the lower shell (103, 402a-d) are connected by means of screw connections to flanges (202, 403a-d, 602, 203, 404a-d, 603), which are arranged at the cylindrical drive unit so as to be offset in the longitudinal axis, wherein the fastening means (408, 409c-d) in the upper shell (102, 401a-d) relative to the longitudinal axis of the rotatable cylindrical drive unit, are arranged radially offset to the fastening means (406c-d, 407) of the lower shell (103, 402a-d), and mounting holes (405c-d) are arranged in the upper shell (102, 401a-d) and/or in the lower shell (103, 402a-d) opposite from the fastening means (406a-d, 407, 408, 409a-d, 410, 411, 412), which are concealed in the mounted state, wherein the mounting holes (405c-d) have a larger diameter than the holes in the lower shell (406c-d) and in the upper shell (409c-d).
Vehicle transport trailer with a running gear, a bodywork, a trailer drawbar and a push-off device, wherein the bodywork is constructed in a self-supporting manner, comprising a trough with side walls (6a, 6b), a front wall, a tailgate and a bottom, wherein the bottom has a recess extending over the length of the trough in the form of a tunnel open at the plane of the bottom (B E); and optionally a roof or cover; and wherein the trough has mounting points for fixation of the running gear, and wherein the push-off device comprises a push-off carriage and a cylinder system with an ejection cylinder system, by means of which the push-off carriage is movable along a direction of motion or of conveyance (F R), characterized in that the ejection cylinder system is arranged within the tunnel and below the push-off carriage. a trough with side walls (6a, 6b), a front wall, a tailgate and a bottom, wherein the bottom has a recess extending over the length of the trough in the form of a tunnel open at the plane of the bottom (B E); and optionally a roof or cover; a front wall, a tailgate and a bottom, wherein the bottom has a recess extending over the length of the trough in the form of a tunnel open at the plane of the bottom (B E); and optionally a roof or cover; and wherein the trough has mounting points for fixation of the running gear, and wherein the push-off device comprises a push-off carriage and a cylinder system with an ejection cylinder system, by means of which the push-off carriage is movable along a direction of motion or of conveyance (F R), characterized in that the ejection cylinder system is arranged within the tunnel and below the push-off carriage.
A magnetic bearing control device in which eddy current gap sensors that are provided on an X-axis and a Y-axis of an XY coordinate system detect gaps between the eddy current gap sensors and a controlled shaft that is lifted by a magnetic bearing, and in which, based on the detected value, a pair of X-axis radial electromagnets and a pair of Y-axis radial electromagnets are excited to levitate the controlled shaft using magnetic forces of the electromagnets, the magnetic bearing control device comprising: a first function for detecting an X-axis direction movable limit position of the controlled shaft; a second function for identifying a center of an X-axis movable range of the X-axis eddy current gap sensor based on the X-axis direction movable limit position detected by the first function; a third function for detecting a Y-axis direction movable limit position of the controlled shaft; a fourth function for identifying a center of a Y-axis movable range of the Y-axis eddy current gap sensor based on the Y-axis direction movable limit position detected by the third function; and characterized in that it further comprises: a fifth function for turning an excitation current of the Y-axis electromagnet OFF, and the excitation currents of the pair of radial X-axis electromagnets ON, when the first function detects the X-axis direction movable limit position and the second function identifies the center of the X-axis movable range, and turning an excitation current of the X-axis electromagnet OFF, and the excitation currents of the pair of radial Y-axis electromagnets ON, when the third function detects the Y-axis direction movable limit position and the fourth function identifies the center of the Y-axis movable range. a first function for detecting an X-axis direction movable limit position of the controlled shaft; a second function for identifying a center of an X-axis movable range of the X-axis eddy current gap sensor based on the X-axis direction movable limit position detected by the first function; a third function for detecting a Y-axis direction movable limit position of the controlled shaft; a fourth function for identifying a center of a Y-axis movable range of the Y-axis eddy current gap sensor based on the Y-axis direction movable limit position detected by the third function; and characterized in that it further comprises: a fifth function for turning an excitation current of the
A method of fabricating a formed structure with expandable polymeric shell microspheres, comprising: heating a first plurality of polymeric shell microspheres from an unexpanded state to an expanded state to form a plurality of expanded microspheres; mixing the plurality of expanded microspheres with an epoxy resin and a second plurality of unexpanded polymeric shell microspheres to create a mixture; forming the mixture in a shape to create a preform; providing a foam insert on the preform; wrapping the preform with fiber tape to create a wrapped preform; placing the wrapped preform in a mold; heating the mold and expanding the second plurality of unexpanded microspheres from an unexpanded state to an expanded state; cooling the mold; and removing the formed structure from the mold. heating a first plurality of polymeric shell microspheres from an unexpanded state to an expanded state to form a plurality of expanded microspheres; mixing the plurality of expanded microspheres with an epoxy resin and a second plurality of unexpanded polymeric shell microspheres to create a mixture; forming the mixture in a shape to create a preform; providing a foam insert on the preform; wrapping the preform with fiber tape to create a wrapped preform; placing the wrapped preform in a mold; heating the mold and expanding the second plurality of unexpanded microspheres from an unexpanded state to an expanded state; cooling the mold; and removing the formed structure from the mold.
A battery pack tab welding method for welding a positive electrode tab and a negative electrode tab in a battery pack comprising a plurality of single cells (1, 1A to 1D) stacked and each of which has positive and negative electrode tabs (2, 3) drawn outward and formed of metals different from each other in kind, the positive electrode tab of a first single cell and the negative electrode tab of a second single cell adjacent to the first single cell being welded through a clad material comprising a two-layer structure formed of the different kind of metals, the method being characterized by comprising the steps of: aligning the positive electrode tab of the first single cell, the negative electrode tab of the second single cell, and the clad material so that the two-layer structure of the clad material is sandwiched between and in contact with the positive and negative electrode tabs (2, 3) to make the same kind of metals of the clad material and each tab (2, 3) in contact with each other; applying a laser from a side of one of the tabs (2, 3) in a direction crossing the principal surfaces of the one of the tabs (2, 3) and the clad material, thereby bonding the one of the tabs (2, 3) to the clad material at a first focal point of the laser, aimed at an interface formed between the one of the tabs (2, 3) and the clad material; and applying another laser from a side of the other of the tabs (2, 3) in another direction crossing the principal surfaces of the other of the tabs (2, 3) and the clad material, thereby bonding the other of the tabs (2, 3) to the clad material at a second focal point, aimed at an interface formed between the other of the tabs (2, 3) and the clad material, said second focal point being offset from the first focal point when viewed in a direction where the positive and negative electrode tabs (2, 3) and the clad material are stacked. aligning the positive electrode tab of the first single cell, the negative electrode tab of the second single cell, and the clad material so that the two-layer structure of the clad material is sandwiched between and in contact with the positive and negative electrode tabs (2, 3) to make the same kind of metals of the clad material and each tab (2, 3) in contact with each other; applying a laser from a side of one of the tabs (2, 3) in a direction crossing the principal surfaces of the one of the tabs (2, 3) and the clad material, thereby bonding the one of the tabs (2, 3) to the clad material at a first focal point of the laser, aimed at an interface formed between the one of the tabs (2, 3) and the clad material; and applying another laser from a side of the other of the tabs (2, 3) in another direction crossing the principal surfaces of the other of the tabs (2, 3) and the clad material, thereby bonding the other of the tabs (2, 3) to the clad material at a second focal point, aimed at an interface formed between the other of the tabs (2, 3) and the clad material, said second focal point being offset from the first focal point when viewed in a direction where the positive and negative electrode tabs (2, 3) and the clad material are stacked.