mhurhangee/ep-ind-claims huggingface dataset:
A polyaxial bone anchoring device including an anchoring element having a shaft for anchoring in the bone and a head, a receiving part (5, 5') for receiving the head of the bone anchoring element and for receiving a rod, the receiving part including an upper member (8, 8') with a top end and a bottom end, a central axis extending through the top end and the bottom end, a head receiving portion with a passage at the bottom end for introducing the head and a channel for receiving the rod at the top end; a lower member (10, 10') having a top end and a bottom end and a passage (103, 104) extending from the top end to the bottom end, the lower member being connectable to the upper member from the bottom end of the upper member; wherein at least one clamping member (20, 200) is provided at or near the bottom end of the upper member, characterized in that the at least one clamping member (20, 200) protrudes into the passage of the head receiving portion of the upper member (8, 8') when the lower member is connected to the upper member such as to hold the head when the head is inserted in the head receiving portion.
A method for determining a unique identifier of a device, the device including an electronic component, the electronic component comprising a single quantum tunnelling barrier unique to the electronic component, the method comprising applying a potential difference across the quantum tunnelling barrier, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier; measuring an electrical signal, the electrical signal representative of a tunnelling current through the quantum tunnelling barrier, the tunnelling current being characteristic of the quantum tunnelling barrier; and determining, from the measured electrical signal, a unique identifier for the device. applying a potential difference across the quantum tunnelling barrier, the potential difference sufficient to enable tunnelling of charge carriers through the quantum tunnelling barrier; measuring an electrical signal, the electrical signal representative of a tunnelling current through the quantum tunnelling barrier, the tunnelling current being characteristic of the quantum tunnelling barrier; and determining, from the measured electrical signal, a unique identifier for the device.
An optical fiber comprising: a core; and a clad coating the core, wherein the clad includes a refractive-index varying region in which a refractive index increases in a direction from an inner circumferential side toward an outer circumferential side, and a predetermined region in which the refractive index is constant, and the predetermined region being adjacent to the core; and wherein in the refractive-index varying region, an amount of change in the refractive index per unit length in a radial direction is larger on the inner circumferential side than on the outer circumferential side. a core; and a clad coating the core, wherein the clad includes a refractive-index varying region in which a refractive index increases in a direction from an inner circumferential side toward an outer circumferential side, and a predetermined region in which the refractive index is constant, and the predetermined region being adjacent to the core; and wherein in the refractive-index varying region, an amount of change in the refractive index per unit length in a radial direction is larger on the inner circumferential side than on the outer circumferential side.
A computer implemented method for detecting an incipient damage in a bearing comprising the steps of: - receiving from a plurality of sensors of the bearing a plurality of signals corresponding to a plurality of Acoustic Emission bursts, each Acoustic Emission burst being emitted each time an indentation is met during the rotation of the bearing at a contact point between a roller of the bearing and a race (15, 16) of the bearing, characterized in - analysing said plurality of signals for locating on the bearing the plurality of indentations corresponding to said plurality of Acoustic Emission bursts, - generating a map of points on a digital model of the bearing corresponding to the plurality of indentations on the bearing, the map of points being registered and updated throughout at least an interval of the lifetime of the bearing, - identifying an incipient damage in the bearing each time the distribution of the points in said map is not random, - generating an incipient damage warning message. - receiving from a plurality of sensors of the bearing a plurality of signals corresponding to a plurality of Acoustic Emission bursts, each Acoustic Emission burst being emitted each time an indentation is met during the rotation of the bearing at a contact point between a roller of the bearing and a race (15, 16) of the bearing, characterized in - analysing said plurality of signals for locating on the bearing the plurality of indentations corresponding to said plurality of Acoustic Emission bursts, - generating a map of points on a digital model of the bearing corresponding to the plurality of indentations on the bearing, the map of points being registered and updated throughout at least an interval of the lifetime of the bearing, - identifying an incipient damage in the bearing each time the distribution of the points in said map is not random, - generating an incipient damage warning message.
An inhaler comprising: a breath actuated trigger mechanism reactive to an inhalation flow to trigger the release of a substance to be inhaled into the inhalation flow; a first fluid flow path within the inhaler carrying part of the inhalation flow; a flow governor arranged to govern inhalation flow through the first fluid flow path; and, a second fluid flow path within the inhaler carrying part of the inhalation flow, the second fluid flow path bypassing the flow governor; in which triggering the trigger mechanism reduces or blocks flow through the second fluid flow path. a breath actuated trigger mechanism reactive to an inhalation flow to trigger the release of a substance to be inhaled into the inhalation flow; a first fluid flow path within the inhaler carrying part of the inhalation flow; a flow governor arranged to govern inhalation flow through the first fluid flow path; and, a second fluid flow path within the inhaler carrying part of the inhalation flow, the second fluid flow path bypassing the flow governor; in which triggering the trigger mechanism reduces or blocks flow through the second fluid flow path.
A method for reducing load dump overvoltages when operating a synchronous rectifier for a multiphase alternating current having a number of inputs (60.1 to 60.5) equal to the number of alternating current phases (A to E) of the alternating current, and at least two outputs (B +, B-) for providing a direct current, wherein an alternating current phase (A to E) respectively is connected to each input (60.1 to 60.5) and in accordance with control means, each of the inputs (60.1 to 60.5) is connected electrically via switching elements electively to either the first (B+) or the second (B-) output, wherein the first output (B+) is a positive battery pole and the second output (B-) is a negative battery pole, characterised in that upon detection of a load dump a drive sequence is activated and cyclically based on the drive sequence - then, when a positive half cycle is applied to an alternating current phase (A to E) connected to one of these inputs (60.1 to 60.5), exactly said input (60.1 to 60.5) is connected to the second output (B-) during the full positive half cycle, and/or - then, when a negative half cycle is applied to an alternating current phase (A to E) connected to one of these inputs (60.1 to 60.5), exactly said input (60.1 to 60.5) is connected to the first output (B+) during the full negative half cycle, and for each remaining input (60.1 to 60.5) then, when a positive half cycle is applied to an alternating current phase (A to E) connected to the respective input (60.1 to 60.5), said respective input (60.1 to 60.5) is connected to the first output (B+), and then, when a negative half cycle is applied to an alternating current phase (A to E) connected to the respective input (60.1 to 60.5), said respective input (60.1 to 60.5) is connected to the second output (B-). - then, when a positive half cycle is applied to an alternating current phase (A to E) connected to one of these inputs (60.1 to 60.5), exactly said input (60.1 to 60.5) is connected to the second output (B-) during the full positive half cycle, and/or - then, when a negative half cycle is applied to an alternating current phase (A to E) connected to one of these inputs (60.1 to 60.5), exactly said input (60.1 to 60.5) is connected to the first output (B+) during the full negative half cycle, and
A method of preventing fluid flow past a tapered face of a mill diverter in a cased wellbore comprising: positioning the mill diverter in the cased wellbore, wherein the mill diverter comprises: (a) a body; (b) the tapered face, wherein the tapered face is located at one end of the body; (c) a fishing mechanism; and (d) a swellable material, wherein the swellable material: (i) is positioned circumferentially around the body of the mill diverter adjacent to the tapered face and disposed between the tapered face and the fishing mechanism; (ii) swells in the presence of a swelling fluid; and (iii) prevents substantially all of a fluid from flowing past the swellable material after the swellable material has swelled; and causing or allowing the swellable material to swell. positioning the mill diverter in the cased wellbore, wherein the mill diverter comprises: (a) a body; (b) the tapered face, wherein the tapered face is located at one end of the body; (c) a fishing mechanism; and (d) a swellable material, wherein the swellable material: (i) is positioned circumferentially around the body of the mill diverter adjacent to the tapered face and disposed between the tapered face and the fishing mechanism; (ii) swells in the presence of a swelling fluid; and (iii) prevents substantially all of a fluid from flowing past the swellable material after the swellable material has swelled; and (a) a body; (b) the tapered face, wherein the tapered face is located at one end of the body; (c) a fishing mechanism; and (d) a swellable material, wherein the swellable material: (i) is positioned circumferentially around the body of the mill diverter adjacent to the tapered face and disposed between the tapered face and the fishing mechanism; (ii) swells in the presence of a swelling fluid; and (iii) prevents substantially all of a fluid from flowing past the swellable material after the swellable material has swelled; and (i) is positioned circumferentially around the body of the mill diverter adjacent to the tapered face and disposed between the tapered face and the fishing mechanism; (ii) swells in the presence of a swelling fluid; and (iii) prevents substantially all of a fluid from flowing past the swellable material after the swellable material has swelled; and causing or allowing the swellable material to swell.
Excavating head, comprising: - at least an attachment element to a driving machine to place said head in rotation around a central axis; - at least a plate-shaped body connected to said attachment element and having at least a first main face and at least a second main face opposite to each other, said first main face being facing to the excavation front and said second main face being facing to said attachment element; and - at least an excavation tool associated with said plate-shaped body so as to protrude at least partly from said first main face; - suction means (14, 15, 16) of the excavated material associated with said plate-shaped body and comprising: - at least a storage chamber of said excavated material; - at least an extraction pipe of said excavated material crossing from side to side said plate-shaped body and terminating in said storage chamber; characterized by the fact that said suction means (14, 15, 16) comprise at least an introduction pipe for the forced introduction of pressurized air in the proximity of said excavation front and to generate a pressing force able to push said excavated material through said extraction pipe. - at least an attachment element to a driving machine to place said head in rotation around a central axis; - at least a plate-shaped body connected to said attachment element and having at least a first main face and at least a second main face opposite to each other, said first main face being facing to the excavation front and said second main face being facing to said attachment element; and - at least an excavation tool associated with said plate-shaped body so as to protrude at least partly from said first main face; - suction means (14, 15, 16) of the excavated material associated with said plate-shaped body and comprising: - at least a storage chamber of said excavated material; - at least an extraction pipe of said excavated material crossing from side to side said plate-shaped body and terminating in said storage chamber; characterized by the fact that said suction means (14, 15, 16) comprise at least an introduction pipe for the forced introduction of pressurized air in the proximity of said excavation front and to generate a pressing force able to push said excavated material through said extraction pipe. - at least a storage chamber of said excavated material; - at least an extraction pipe of said excavated material crossing from side to side said plate-shaped body and terminating in said storage chamber;
A method of key generation for securely pairing a first device with a second device for wireless communication therebetween comprising: initially providing each of the first device and the second device with a credential and a hash function; after said initial providing step, the first device transmitting advertising signals at selected intervals and in a selected radio frequency range via a first antenna; the second device scanning in the selected radio frequency via a second antenna; the first device providing data to be shared with the second device in the advertising signals; the second device receiving the shared data via the scanning; characterized in that the second device and the first device each using the shared data and the credential as input to the hash function to generate an out of band, OOB key, the OOB key generated by the first device being identical to the OOB key generated by the second device; and the second device and the first device performing OOB pairing with each other using their respective OOB key prior to performing Bluetooth Low Energy, BLE standard pairing, wherein the second device and the first device each perform a pairing algorithm generating pairing keys separately such that the air interface is not needed for a pairing key exchange. initially providing each of the first device and the second device with a credential and a hash function; after said initial providing step, the first device transmitting advertising signals at selected intervals and in a selected radio frequency range via a first antenna; the second device scanning in the selected radio frequency via a second antenna; the first device providing data to be shared with the second device in the advertising signals; the second device receiving the shared data via the scanning; characterized in that the second device and the first device each using the shared data and the credential as input to the hash function to generate an out of band, OOB key, the OOB key generated by the first device being identical to the OOB key generated by the second device; and the second device and the first device performing OOB pairing with each other using their respective OOB key prior to performing Bluetooth Low Energy, BLE standard pairing, wherein the second device and the first device each perform a pairing algorithm generating pairing keys separately such that the air interface is not needed for a pairing key exchange.
A compound composed of n repeating units represented by the following Formula,,, or; in Formula, each of R 11 to R 14 independently represents a hydrogen atom or a substituent; each of Ar 1 and Ar 2 independently represents a heteroarylene group or an arylene group; V 1 represents a divalent linking group; m represents an integer of 0 to 6; when m is equal to or greater than 2, two or more groups represented by V 1 may be the same as or different from each other; and n is equal to or greater than 2; in Formula, cy represents a benzene ring, a naphthalene ring, or an anthracene ring; each of R 15 to R 18 independently represents a hydrogen atom or a substituent; each of Ar 3 and Ar 4 independently represents a heteroarylene group or an arylene group; V 2 represents a divalent linking group; p represents an integer of 0 to 6; when p is equal to or greater than 2, two or more groups represented by V 2 may be the same as or different from each other; and n is equal to or greater than 2; in Formula, each of R 111 to R 114 independently represents a hydrogen atom or a substituent; each of Ar 101 and Ar 102 independently represents a heteroarylene group or an arylene group; V 101 represents a divalent linking group; m 101 represents an integer of 0 to 6; when m 101 is equal to or greater than 2, two or more groups represented by V 101 may be the same as or different from each other; and n is equal to or greater than 2; and in Formula, cy 101 represents a benzene ring, a naphthalene ring, or an anthracene ring; each of R 115 to R 118 independently represents a hydrogen atom or a substituent; each of Ar 103 and Ar 104 independently represents a heteroarylene group or an arylene group; V 102 represents a divalent linking group; p 101 represents an integer of 0 to 6; when p 101 is equal to or greater than 2, two or more groups represented by V 102 may be the same as or different from each other; and n is equal to or greater than 2.
A battery can for a storage battery, comprising: a tubular can body portion having a first end and a second end; a can bottom portion that is continuous to the can body portion so as to cover the first end of the can body portion; and a can lid portion that is continuous to the can body portion so as to cover the second end of the can body portion when constituting a battery, wherein a safety valve having a first score groove portion and a second score groove portion that are opposite to each other in a cross-sectional view in a sheet thickness direction is provided to an inner surface and an outer surface of any one of the can bottom portion, the can body portion, and the can lid portion, when viewed from a cross-section that is perpendicular to an extension direction of the first score groove portion, the first score groove portion and the second score groove portion have a first score groove bottom portion and a second score groove bottom portion, which have a radius of curvature R and a relative clearance of 0.045 mm to 0.150 mm, respectively, the radius of curvature R is more than 0.20 mm and is equal to or less than 1.20 mm, and any one of the can bottom portion, the can body portion, and the can lid portion, which has the safety valve, is constituted by a plated steel sheet having a steel sheet portion in which the amount of C is limited to 0.040% by mass or less and the amount of S is limited to 0.020% by mass or less, and a tensile strength TS is 400 MPa or less, and a plate layer formed on the steel sheet portion. a tubular can body portion having a first end and a second end; a can bottom portion that is continuous to the can body portion so as to cover the first end of the can body portion; and a can lid portion that is continuous to the can body portion so as to cover the second end of the can body portion when constituting a battery, wherein a safety valve having a first score groove portion and a second score groove portion that are opposite to each other in a cross-sectional view in a sheet thickness direction is provided to an inner surface and an outer surface of any one of the can bottom portion, the can body portion, and the can lid portion, when viewed from a cross-section that is perpendicular to an extension direction of the first score groove portion, the first score groove portion and the second score groove portion have a first score groove bottom portion and a second score groove bottom portion, which have a radius of curvature R and a relative clearance of 0.045 mm to 0.150 mm, respectively, the radius of curvature R is more than 0.20 mm and is equal to or less than 1.20 mm, and any one of the can bottom portion, the can body portion, and the can lid portion, which has the safety valve, is constituted by a plated steel sheet having a steel sheet portion in which the amount of C is limited to 0.040% by mass or less and the amount of S is limited to 0.020% by mass or less, and a tensile strength TS is 400 MPa or less, and a plate layer formed on the steel sheet portion.
A method for producing a sintered magnet comprising the steps of: producing an R-Fe-B-based magnet powder by a reduction-diffusion method, adding a R-Al-Cu powder as a sintering agent to the R-Fe-B-based magnet powder to form a mixed powder, and sintering the mixed powder to form a sintered magnet, wherein the R-Al-Cu powder is an alloy of R, Al and Cu, and the R is Nd, Pr, Dy, Tb or Ce, characterized in that the method further comprises a step of forming the R-Al-Cu powder as the sintering agent, wherein the step of forming the R-Al-Cu powder comprises the steps of: mixing RH 2 powder, Al powder, and Cu powder to form a sintered precursor, agglomerating the sintered precursor, raising the temperature of the agglomerated sintered precursor to form a metal alloy, and pulverizing the metal alloy to form the sintering agent. producing an R-Fe-B-based magnet powder by a reduction-diffusion method, adding a R-Al-Cu powder as a sintering agent to the R-Fe-B-based magnet powder to form a mixed powder, and sintering the mixed powder to form a sintered magnet, wherein the R-Al-Cu powder is an alloy of R, Al and Cu, and the R is Nd, Pr, Dy, Tb or Ce, characterized in that the method further comprises a step of forming the R-Al-Cu powder as the sintering agent, wherein the step of forming the R-Al-Cu powder comprises the steps of: mixing RH 2 powder, Al powder, and Cu powder to form a sintered precursor, agglomerating the sintered precursor, raising the temperature of the agglomerated sintered precursor to form a metal alloy, and pulverizing the metal alloy to form the sintering agent. mixing RH 2 powder, Al powder, and Cu powder to form a sintered precursor, agglomerating the sintered precursor, raising the temperature of the agglomerated sintered precursor to form a metal alloy, and pulverizing the metal alloy to form the sintering agent.