mhurhangee/ep-ind-claims huggingface dataset:
An airfoil (40, 60) for a turbomachine (14, 16), comprising: a metal foam core (42, 62) formed into an airfoil shape; and a composite skin (44, 64) disposed over the metal foam core and forming an external surface of the airfoil shape, wherein the composite skin includes a carbon fiber composite, the carbon fiber composite including a carbon fabric; and wherein the metal foam core has a plurality of outermost voids (48, 68), and wherein the composite skin (44, 64) includes a first composite material (50, 70) extending into and at least partially filling at least some of the plurality of outermost voids. a metal foam core (42, 62) formed into an airfoil shape; and a composite skin (44, 64) disposed over the metal foam core and forming an external surface of the airfoil shape, wherein the composite skin includes a carbon fiber composite, the carbon fiber composite including a carbon fabric; and wherein the metal foam core has a plurality of outermost voids (48, 68), and wherein the composite skin (44, 64) includes a first composite material (50, 70) extending into and at least partially filling at least some of the plurality of outermost voids.
A user authentication method using a self-signed certificate of a web server, the user authentication method comprising: receiving a log-in message generated by using a public key registered to the self-signed certificate of the web server from a client device; generating a response message by using the log-in message and a secret key corresponding to the public key using at least one processor; transmitting the generated response message to the client device; receiving a verification value from the client device via a secure socket layer channel connected by using the self-signed certificate of the web server from the client device when a reliability of the response message is verified at the client device; verifying a reliability of the log-in message by using the received verification value; and confirming completion of user authentication if the reliability of the log-in message is verified. receiving a log-in message generated by using a public key registered to the self-signed certificate of the web server from a client device; generating a response message by using the log-in message and a secret key corresponding to the public key using at least one processor; transmitting the generated response message to the client device; receiving a verification value from the client device via a secure socket layer channel connected by using the self-signed certificate of the web server from the client device when a reliability of the response message is verified at the client device; verifying a reliability of the log-in message by using the received verification value; and confirming completion of user authentication if the reliability of the log-in message is verified.
Key blank for producing a key for a lock cylinder, wherein the key blank has a shank extending along a longitudinal direction, wherein the shank has an, in particular substantially rectangular, cross section perpendicular to the longitudinal direction, wherein the cross section has two wider broad side faces and two narrower narrow side faces, wherein the key blank is a reversible key blank, and wherein the shank has a recess with a rectangular base face in each of the broad side faces, characterized in that a thickness of the key blank between the base faces of the recesses is smaller than 1.8 mm, in that at least one first rib extending in the longitudinal direction and a second rib extending in the longitudinal direction are arranged on each of the broad side faces, wherein the first rib is wider than the second rib in a direction parallel to the broad side faces and perpendicular to the longitudinal direction, and in that each of the recesses is arranged between the respective first rib and second rib.
A loudspeaker assembly comprising: L loudspeakers (505-507; 603), each being substantially the same size and having a peripheral front surface; and an enclosure having a hollow cylindrical body (501, 601) and end closure: (103, 104, 303, 304) the cylindrical body (501, 601) and end closures being made of material that is impervious to air: wherein the cylindrical body (501, 601) comprises L openings therein: the L openings are sized and shaped to correspond with the peripheral front surfaces of the L loudspeakers (505-507; 603), and have central axes; the central axes of the L openings are contained in a radial plane, and the angles between adjacent axes are identical; the L loudspeakers (505-507; 603) are disposed in the L openings and hermetically secured to the cylindrical body (501, 601); L is equal to or greater than 2; the L loudspeakers (505-507; 603) are broadband loudspeakers; characterized in that the cylindrical body comprises dents (502, 503, 504) in which the L openings are disposed, and/or the cylindrical body (501, 601)) comprises a necking along its longitudinal direction, in which the L openings are disposed. L loudspeakers (505-507; 603), each being substantially the same size and having a peripheral front surface; and an enclosure having a hollow cylindrical body (501, 601) and end closure: (103, 104, 303, 304) the cylindrical body (501, 601) and end closures being made of material that is impervious to air: wherein the cylindrical body (501, 601) comprises L openings therein: the L openings are sized and shaped to correspond with the peripheral front surfaces of the L loudspeakers (505-507; 603), and have central axes; the central axes of the L openings are contained in a radial plane, and the angles between adjacent axes are identical; the L loudspeakers (505-507; 603) are disposed in the L openings and hermetically secured to the cylindrical body (501, 601); L is equal to or greater than 2; the L loudspeakers (505-507; 603) are broadband loudspeakers; characterized in that the cylindrical body comprises dents (502, 503, 504) in which the L openings are disposed, and/or the cylindrical body (501, 601)) comprises a necking along its longitudinal direction, in which the L openings are disposed. the L openings are sized and shaped to correspond with the peripheral front surfaces of the L loudspeakers (505-507; 603), and have central axes; the central axes of the L openings are contained in a radial plane, and the angles between adjacent axes are identical; the L loudspeakers (505-507; 603) are disposed in the L openings and hermetically secured to the cylindrical body (501, 601); L is equal to or greater than 2; the L loudspeakers (505-507; 603) are broadband loudspeakers; characterized in that the cylindrical body comprises dents (502, 503, 504) in which the L openings are disposed, and/or the cylindrical body (501, 601)) comprises a necking along its longitudinal direction, in which the L openings are disposed.
Axial shaft seal for sealing a shaft against a housing, comprising a stiffening section and, connected to the stiffening section, a sealing element having a sealing lip which is established for sealing interaction with a counter-running element which can be connected to the shaft and runs radially, wherein in the assembled state a sealing contact exists exclusively between an end section of the sealing lip and the radial counter-running element, characterized in that a plurality of channels (34; 54) is arranged on the side facing towards the counter-running element and over the periphery of the sealing lip, or on the counter-running surface and over the periphery of the counter-running element, in which a pressure build-up is caused when the shaft is rotating.
A vat for winemaking plants, which comprises a lateral surface, a bottom and an upper closure element,wherein said lateral surface defines an active portion, at least equal to 30% of the surface, which is made of plates of ceramic and/or refractory material and is associated stably, at its outward-directed surface, with a supporting structure which is associated with at least one channeling surface which faces a portion of the external surface of the respective plate in order to define at least one oxygenation channel, characterized in that said vat is associated with a conditioning device which is adapted to control the temperature of the liquid placed inside said vat, and in that said at least one oxygenation channel is functionally associated with a device for the forced introduction of air and/or oxygen which is adapted to allow the regulation of the flow of air and/or of oxygen through said at least one oxygenation channel, said device for forced introduction being functionally associated with said conditioning device. characterized in that said vat is associated with a conditioning device which is adapted to control the temperature of the liquid placed inside said vat, and in that said at least one oxygenation channel is functionally associated with a device for the forced introduction of air and/or oxygen which is adapted to allow the regulation of the flow of air and/or of oxygen through said at least one oxygenation channel, said device for forced introduction being functionally associated with said conditioning device.
Underground hydroelectric energy production and storage system, where the system comprises: - an underground cavity created by solution mining in salt deposits; - an upper water reservoir (12, 18, 27) with an upper water reservoir surface; - tubing means (11, 19, 26, 28, 29, 31) adapted to lead water from the upper water reservoir (12, 18, 27) into the underground cavity and out of the underground cavity; - pumping means adapted to contribute to pumping water from the upper water reservoir (12, 18, 27) via the tubing means out of the cavity; and - energy generating means adapted to generate energy based on water flowing through the tubing means; where the underground hydroelectric energy production and storage system is characterized by the tubing means comprising a closed hydraulic loop, the closed hydraulic loop comprising a communicating system adapted to preserve hydraulic head provided by the upper reservoir, and being arranged to allow for dissolved gas density differential pumping, the system comprising gas provision means arranged to saturate water in an inlet tube with a gas, and the energy generating means comprising a turbine arranged at the bottom part of the closed hydraulic loop. - an underground cavity created by solution mining in salt deposits; - an upper water reservoir (12, 18, 27) with an upper water reservoir surface; - tubing means (11, 19, 26, 28, 29, 31) adapted to lead water from the upper water reservoir (12, 18, 27) into the underground cavity and out of the underground cavity; - pumping means adapted to contribute to pumping water from the upper water reservoir (12, 18, 27) via the tubing means out of the cavity; and - energy generating means adapted to generate energy based on water flowing through the tubing means;
A friction clutch for a drive train of a motor vehicle, for the transmission of torques between a drive side and an output side, with at least one first friction pack, at least comprising a counter plate, a pressure plate displaceable to a limited extent in an axial direction (7, 8) with respect to the counter plate by means of an actuating device of the friction clutch, as well as at least one clutch disc with at least one friction lining which is arranged along the axial direction (7, 8) between the pressure plate and the counter plate; wherein a driver ring for positively locking transmission of the torque from the drive side to the first friction pack is attached to a connecting surface of the counter plate; wherein the driver ring can be supported via a bearing surface on the output side in such a way that actuating forces of the actuating device acting on the driver ring are supported at least in a first axial direction; wherein the driver ring is fastened to the connecting surface via a plurality of fastening points, wherein the fastening points are arranged at a distance from one another in a circumferential direction, wherein gaps are present between the fastening points in each case, through which fluid exchange along the radial direction between the connecting surface and the driver ring is possible, characterised in that the gaps through the elevations (22, 23) extending in the axial direction (7, 8) are formed on at least one of the connecting surface and the driver ring, wherein the elevations (22, 23) are arranged spaced apart from one another in the circumferential direction.
An air purifying system, comprising: a main air purifier configured to purify air; and a handheld air purifier configured to purify air at a smaller air purifying capacity than the main air purifier and configured to be mounted on and removed from the main air purifier, the handheld air purifier including: a suction body having a first surface and a filter, and a handle coupled to the suction body, wherein, when the handheld air purifier is mounted on the main air purifier, the main air purifier performs at least one of suctioning foreign matter from the first surface or sterilizing the first surface. a main air purifier configured to purify air; and a handheld air purifier configured to purify air at a smaller air purifying capacity than the main air purifier and configured to be mounted on and removed from the main air purifier, the handheld air purifier including: a suction body having a first surface and a filter, and a handle coupled to the suction body, wherein, when the handheld air purifier is mounted on the main air purifier, the main air purifier performs at least one of suctioning foreign matter from the first surface or sterilizing the first surface. a suction body having a first surface and a filter, and a handle coupled to the suction body, wherein, when the handheld air purifier is mounted on the main air purifier, the main air purifier performs at least one of suctioning foreign matter from the first surface or sterilizing the first surface.
A timing circuit, comprising: a first time-to-digital converter configured to output a first timestamp in response to a detected event based on a first reference clock signal (40,53); the timing circuit being characterised in: at least a second TDC configured to output a second timestamp in response to said detected event based on a second reference clock signal (42,54), the at least first and second reference clock signals being temporally offset; and a circuit (60,62) operatively connected to each TDC configured to output a corrected timestamp based on at least the earliest of the first and second timestamps. a first time-to-digital converter configured to output a first timestamp in response to a detected event based on a first reference clock signal (40,53); the timing circuit being characterised in: at least a second TDC configured to output a second timestamp in response to said detected event based on a second reference clock signal (42,54), the at least first and second reference clock signals being temporally offset; and a circuit (60,62) operatively connected to each TDC configured to output a corrected timestamp based on at least the earliest of the first and second timestamps.
A method (200, 400) of processing audio content for rendering in a three-dimensional audio scene, wherein the audio content comprises a sound source at a source position, the method (200, 400) comprising: obtaining a voxelized representation of the three-dimensional audio scene, wherein the voxelized representation indicates volume elements in which sound can propagate and volume elements by which sound is occluded; obtaining a two-dimensional projection map for the audio scene, wherein the two-dimensional projection map is related to the voxelized representation by a projection operation that projects onto a horizontal plane; and determining parameters indicating a virtual source position of a virtual sound source based on the source position, a listener position, and the projection map, to simulate, by rendering a virtual source signal from the virtual source position, an impact of acoustic diffraction by the three-dimensional audio scene on a source signal of the sound source at the source position. obtaining a voxelized representation of the three-dimensional audio scene, wherein the voxelized representation indicates volume elements in which sound can propagate and volume elements by which sound is occluded; obtaining a two-dimensional projection map for the audio scene, wherein the two-dimensional projection map is related to the voxelized representation by a projection operation that projects onto a horizontal plane; and determining parameters indicating a virtual source position of a virtual sound source based on the source position, a listener position, and the projection map, to simulate, by rendering a virtual source signal from the virtual source position, an impact of acoustic diffraction by the three-dimensional audio scene on a source signal of the sound source at the source position.
A multiple disc brake for an industrial robot, wherein the multiple disc brake includes a hub and at least one friction disc characterized in that the at least one friction disc is arranged to the hub such that it rotates with the motion of the hub when the hub is rotating, the multiple disc brake further includes a braking disc arranged freely rotatable to the hub, wherein the braking disc has at least one brake protrusion (6A, 6B) protruding in a radial direction of the braking disc, the multiple disc brake further includes an actuating arrangement including an actuator and a stop member (14, 16), wherein the actuating arrangement is arranged to move the stop member (14, 16) such that the stop member (14, 16) and the at least one brake protrusion (6A, 6B) become engaged, whereby any rotational motion of the braking disc is halted and a braking force is created by friction acting between the at least one friction disc and the braking disc.
A double-sided, indexable milling insert comprising two rake faces separated along a centre axis and perpendicular to the same, which rake faces are equidistantly separated from a neutral plane and between which there extends a clearance face that, in transitions to the rake faces, together with the same, forms peripheral cutting edges, wherein, along the periphery of the individual rake face, a plurality of tangentially spaced-apart cutting edges are formed, which individually rise axially at an acute pitch angle (δ) from a first end toward a second one, that a rake surface positioned radially inside the individual cutting edge follows the cutting edge by rising from a lower boundary line to a crest, via which the same transforms into a declining shoulder surface wherein each rake face comprises individual bearing surfaces, which are situated between pairs of adjacent rake surfaces, so that the individual bearing surface is formed in adjacency to the shoulder surface and is countersunk in relation to the crest of one adjacent rake surface and also countersunk in relation to the lower boundary line of the other adjacent rake surface of said pair of adjacent rake surfaces, characterised in that, each rake face includes lock means for rotationally securing the milling insert in one of several index positions, wherein the declining shoulder surface has the purpose of serving as the rotationally securing lock means.
A process for preparing a polyaminoborane comprising reacting at least one monomer with an aminoborane, wherein the at least one monomer is selected from the group consisting of ammonia, a primary amine and a substituted or unsubstituted hydrazine; and wherein the aminoborane comprises a borane substituted by a secondary amino group, wherein the aminoborane has the formula R 1 R 2 N-BR 3 R 4, the monomer has the formula R 5 NH 2 and the polyaminoborane has the formula [R 5 NH-BR 3 R 4] n, wherein R 1 and R 2 are the same or different, linear, branched, cyclic or cyclic and branched organic groups having from 2 to 30 carbon atoms; or R 1 and R 2 together form a cyclic or cyclic and branched organic group having from 2 to 30 carbon atoms; wherein R 3 and R 4 are the same or different and selected from the group consisting of a hydrogen atom, a substituted or unsubstituted heteroatom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms; or R 3 and R 4 together form a cyclic or cyclic and branched organic group having from 3 to 30 carbon atoms; wherein R 5 is selected from the group consisting of a hydrogen atom, a substituted or unsubstituted nitrogen atom and a linear, branched, cyclic or cyclic and branched organic group having from 1 to 30 carbon atoms; and wherein n is a number greater than 10.
A method for manufacturing a composite material, the method comprising: forming a composite precursor material comprising a nonwoven layer comprising a plurality of fibers, and a polymer film layer; forming a plurality of extended cells in the polymer film layer, each of the extended cells having a continuous sidewall extending away from the nonwoven layer; pushing at least one of the fibers into at least one of the extended cells, while forming the extended cells, with a fluid, and wherein the composite precursor is formed by passing a nonwoven web through low pressure nip rolls while a molten polymer film is simultaneously extruded into the nip to form the polymer film layer on the nonwoven web. forming a composite precursor material comprising a nonwoven layer comprising a plurality of fibers, and a polymer film layer; forming a plurality of extended cells in the polymer film layer, each of the extended cells having a continuous sidewall extending away from the nonwoven layer; pushing at least one of the fibers into at least one of the extended cells, while forming the extended cells, with a fluid, and wherein the composite precursor is formed by passing a nonwoven web through low pressure nip rolls while a molten polymer film is simultaneously extruded into the nip to form the polymer film layer on the nonwoven web.
A composite carbon fiber comprising a carbon fiber having an amino containing polymer electro-grafted onto a surface thereof via an amino containing end group, amino containing pendant group, amino containing main group, or combination thereof of the polymer; wherein the polymer is selected from the following: where the polymer backbone is terminated with one or more amino containing groups, contains one or more amino containing pendant groups, or a mixture thereof, and n is a number from 2 to 500; where the polymer backbone is terminated with one or more amino containing groups, contains one or more amino containing pendant groups, or a mixture thereof, and n is a number from 2 to 500; Formula, where the polymer backbone is terminated with one or more amino containing groups, contains one or more amino containing pendant groups, or a mixture thereof, and n is a number from 2 to 500; and Formula (VIII) and m is a number from 20 to 100, and n is a number from 10 to 50.
An article (10, 200, 210, 600) comprising, in order: a light transmissive electrically-conductive layer; a layer of a solid electro-optic medium in electrical contact with the electrically-conductive layer, the electro-optic medium having first and second display states differing in at least one optical property; an adhesive layer; and a release sheet; characterized in that the electro-optic medium is an electrophoretic medium changeable from its first to its second display state by the application of an electric field to the electrophoretic medium. a light transmissive electrically-conductive layer; a layer of a solid electro-optic medium in electrical contact with the electrically-conductive layer, the electro-optic medium having first and second display states differing in at least one optical property; an adhesive layer; and a release sheet; characterized in that the electro-optic medium is an electrophoretic medium changeable from its first to its second display state by the application of an electric field to the electrophoretic medium.