mhurhangee/ep-ind-claims huggingface dataset:
Control method of an impact wrench for tightening a threaded connection, which, in response to actuation of a pushbutton key, executes a sequence with the consecutive phases: a first phase in which an impact mechanism of the impact wrench exerts a predefined number of rotary impacts on the threaded connection, and during the first phase a profile of a rotational angle Φ over time (t) is estimated and a pattern is adapted to the profile, and on the basis of the pattern a setpoint torque is determined for a second phase and a final rotation angle or a final number of impacts is determined for a third phase, the second phase in which rotary impacts are exerted on the threaded connection until an estimated torque reaches the setpoint torque, and the third phase in which rotary impacts are exerted on the threaded connection until a number of the rotary impacts corresponds to the final number, or a rotational angle corresponds to the final rotational angle. a first phase in which an impact mechanism of the impact wrench exerts a predefined number of rotary impacts on the threaded connection, and during the first phase a profile of a rotational angle Φ over time (t) is estimated and a pattern is adapted to the profile, and on the basis of the pattern a setpoint torque is determined for a second phase and a final rotation angle or a final number of impacts is determined for a third phase, the second phase in which rotary impacts are exerted on the threaded connection until an estimated torque reaches the setpoint torque, and the third phase in which rotary impacts are exerted on the threaded connection until a number of the rotary impacts corresponds to the final number, or a rotational angle corresponds to the final rotational angle.
Magnetic flux assembly for closing a magnetic circuit of a relay, comprising a yoke, and an armature that is movable relative to the yoke, wherein the yoke comprises a coil part that is adapted to be received in a coil, and a flux conduction part that is adapted to conduct the magnetic flux generated by the coil, wherein the armature is hinged to the yoke, wherein the armature is U-shaped and the yoke is L-shaped or U-shaped, characterized in that the yoke comprises a protrusion adapted for conducting magnetic flux towards the armature.
A loudspeaker, including: a U-yoke holding a magnet, the U-yoke having a base with an upstanding side around the perimeter of the base; a frame having a ring around the U-yoke, the ring having a U-shaped cross-section orientated with a base of the U-shaped cross-section abutting the upstanding side of the U-yoke; a diaphragm connected to the frame by a resilient member around the diaphragm, the resilient member and the diaphragm being suspended from the frame; a first cavity defined by the diaphragm, resilient member, frame and U-yoke; a wall around the circumference of the frame, the wall sealing a top of the U-shaped cross-section of the ring forming a second cavity between the wall and the ring; a port in the frame between the first and second cavities, wherein the first and second cavities and the port form a Helmholtz resonator system; wherein the Helmholtz resonator system is tuned to 0.5 to 4 times the fundamental resonance frequency of the loudspeaker. a U-yoke holding a magnet, the U-yoke having a base with an upstanding side around the perimeter of the base; a frame having a ring around the U-yoke, the ring having a U-shaped cross-section orientated with a base of the U-shaped cross-section abutting the upstanding side of the U-yoke; a diaphragm connected to the frame by a resilient member around the diaphragm, the resilient member and the diaphragm being suspended from the frame; a first cavity defined by the diaphragm, resilient member, frame and U-yoke; a wall around the circumference of the frame, the wall sealing a top of the U-shaped cross-section of the ring forming a second cavity between the wall and the ring; a port in the frame between the first and second cavities, wherein the first and second cavities and the port form a Helmholtz resonator system; wherein the Helmholtz resonator system is tuned to 0.5 to 4 times the fundamental resonance frequency of the loudspeaker.
A method of manufacturing a rolled wear-resistant aluminium alloy product comprising the steps of: (a) providing a rolling feedstock material of an aluminium alloy having a composition comprising of, in wt.%, Mg 4.20% to 5.5% Mn 0.50% to 1.1% Fe up to 0.40% Si up to 0.30% Cu up to 0.20% Cr up to 0.25% Zr up to 0.25% Zn up to 0.30% Ti up to 0.25%, unavoidable impurities each <0.05%, total <0.2%, balance aluminium; (b) heating the rolling feedstock to a temperature in a range of 475°C to 535°C; (c) hot-rolling of the feedstock in one or more rolling steps to an intermediate gauge in a range of 15 mm to 40 mm, preferably 15 mm to 30 mm, and wherein preferably the hot-mill exit temperature is in a range of 370°C to 495°C; (d) hot-rolling of the feedstock from intermediate gauge in one or more rolling steps to a final gauge in a range of 3 mm to 15 mm, wherein the average temperature of the hot rolled feedstock when the feedstock is inputted into process step (d) is maintained at a temperature of 370°C to 495°C, wherein the hot-mill exit temperature is in a range of 130°C to 285°C, and wherein following hot-rolling to final gauge the method is devoid of any cold rolling step(s); (e) cooling of the hot-rolled feedstock at final gauge from hot-mill exit temperature to ambient temperature, wherein following hot-rolled feedstock to final gauge and after cooling to ambient temperature the aluminium alloy product is not subjected to any further heat-treatment. (a) providing a rolling feedstock material of an aluminium alloy having a composition comprising of, in wt.%, Mg 4.20% to 5.5% Mn 0.50% to 1.1% Fe up to 0.40% Si up to 0.30% Cu up to 0.20% Cr up to 0.25% Zr up to 0.25% Zn up to 0.30% Ti up to 0.25%, unavoidable impurities each <0.05%, total <0.2%, balance aluminium; Mg 4.20% to 5.5% Mn 0.50% to 1.1% Fe up to 0.40% Si up to 0.30% Cu up to 0.20% Cr up to 0.25% Zr up to 0.25% Zn up to 0.30% Ti up to 0.25%, (b) heating the rolling feedstock to a temperature in a range of 475°C to 535°C; (c) hot-rolling of the feedstock in one or more rolling steps to an intermediate gauge in a range of 15 mm to 40 mm, preferably 15 mm to 30 mm, and wherein preferably the hot-mill exit temperature is in a range of 370°C to 495°C; (d) hot-rolling of the feedstock from intermediate gauge in one or more rolling steps to a final gauge in a range of 3 mm to 15 mm, wherein the average temperature of the hot rolled feedstock when the feedstock is inputted into process step (d) is maintained at a temperature of 370°C to 495°C, wherein the hot-mill exit temperature is in a range of 130°C to 285°C, and wherein following hot-rolling to final gauge the method is devoid of any cold rolling step(s); (e) cooling of the hot-rolled feedstock at final gauge from hot-mill exit temperature to ambient temperature, wherein following hot-rolled feedstock to final gauge and after cooling to ambient temperature the aluminium alloy product is not subjected to any further heat-treatment.
Use of a (meth)acrylate polymer for an organic ferroelectric material, wherein the (meth)acrylate polymer comprises one or more kinds of (meth)acrylates as main monomer units having in the side chain a saturated or unsaturated hydrocarbon skeleton linked to the distal end of the oxycarbonyl group, wherein the hydrocarbon skeleton has at least one hydrogen atom on the β-carbon atom relative to the oxycarbonyl group, and one or more electron withdrawing groups selected from the group consisting of halogen atom, cyano group, oxo group, and nitro group, that bind to the β-carbon atom and/or to one or more carbon atoms distal thereto, substituting hydrogen atoms thereon, wherein the halogen atom is selected from fluorine atom and chlorine atom, and said polymer for organic ferroelectric material has a mean molecular weight of 10,000 to 500,000, wherein said mean molecular weight refers to a weight-average molecular weight which is determined using gel filtration column chromatography. at least one hydrogen atom on the β-carbon atom relative to the oxycarbonyl group, and one or more electron withdrawing groups selected from the group consisting of halogen atom, cyano group, oxo group, and nitro group, that bind to the β-carbon atom and/or to one or more carbon atoms distal thereto, substituting hydrogen atoms thereon, wherein the halogen atom is selected from fluorine atom and chlorine atom, and said polymer for organic ferroelectric material has a mean molecular weight of 10,000 to 500,000, wherein said mean molecular weight refers to a weight-average molecular weight which is determined using gel filtration column chromatography.
Composition in the form of a compressed tablet comprising: (a) 75 wt-% - 99 wt-%, based on the total weight of the powder or granule, of L-ascorbic acid and/or sodium ascorbate, (b) 0.1 wt-% - 10 wt-%, based on the total weight of the powder or granule, of ascorbyl palmitate or of a mixture of ascorbyl palmitate and at least one compound chosen from the group consisting of hydrogenated vegetable oil, glyceryl behenate, glyceryl monostearate, glyceryl palmitostearate, stearic acid, palmitic acid, myristic acid, talc, sodium lauryl sulfate, waxes, sodium stearyl fumarate, and polyethylene glycol, and (c) 0.9 wt-% - 10 wt-%, based on the total weight of the powder or granule, of at least one binder, and (d) optionally adjuvants in quantities within the range of 0.05 wt-% - 5 wt-%, based on the total weight of the powder or granule, with the proviso that the composition is essentially free from magnesium stearate. (a) 75 wt-% - 99 wt-%, based on the total weight of the powder or granule, of L-ascorbic acid and/or sodium ascorbate, (b) 0.1 wt-% - 10 wt-%, based on the total weight of the powder or granule, of ascorbyl palmitate or of a mixture of ascorbyl palmitate and at least one compound chosen from the group consisting of hydrogenated vegetable oil, glyceryl behenate, glyceryl monostearate, glyceryl palmitostearate, stearic acid, palmitic acid, myristic acid, talc, sodium lauryl sulfate, waxes, sodium stearyl fumarate, and polyethylene glycol, and (c) 0.9 wt-% - 10 wt-%, based on the total weight of the powder or granule, of at least one binder, and (d) optionally adjuvants in quantities within the range of 0.05 wt-% - 5 wt-%, based on the total weight of the powder or granule, with the proviso that the composition is essentially free from magnesium stearate.
A turbo machine that is provided with an impeller that is rotated, and with a shaft that transmits rotation power to this impeller (la), comprising: a differential screw having an impeller screw portion that is provided at one end thereof and that is screwed into the impeller and a shaft screw portion that is provided at another end thereof and that is screwed into the shaft, and that fastens the impeller and the shaft together, and wherein, in the differential screw, a screwing direction of the thread ridges that are formed on the impeller screw portion is formed as the same direction as a screwing direction of the thread ridges that are formed on the shaft screw portion, and a pitch between the thread ridges that are formed on the impeller screw portion is formed smaller than a pitch between the thread ridges that are formed on the shaft screw portion, characterized in that a thread diameter of thread ridges that are formed on the impeller screw portion is formed the same as a thread diameter of thread ridges that are formed on the shaft screw portion, and the impeller screw portion is longer than the shaft screw portion. a differential screw having an impeller screw portion that is provided at one end thereof and that is screwed into the impeller and a shaft screw portion that is provided at another end thereof and that is screwed into the shaft, and that fastens the impeller and the shaft together, and wherein, in the differential screw, a screwing direction of the thread ridges that are formed on the impeller screw portion is formed as the same direction as a screwing direction of the thread ridges that are formed on the shaft screw portion, and a pitch between the thread ridges that are formed on the impeller screw portion is formed smaller than a pitch between the thread ridges that are formed on the shaft screw portion, characterized in that a thread diameter of thread ridges that are formed on the impeller screw portion is formed the same as a thread diameter of thread ridges that are formed on the shaft screw portion, and the impeller screw portion is longer than the shaft screw portion.
Method for estimating the tightness of a seal, including at least the following steps: - digital simulation of a deformation by creep of the seal by compression of the seal between two surfaces (103, 107); - calculation, at at least one interface between the seal and one of the two surfaces, of a cumulative plastic deformation p of the seal, of an axial stress Smzz between the seal and said one of the two surfaces, and of a contact length Lc between the seal and said one of the two surfaces, during the digital simulation; - calculation of a simulated pore plugging coefficient F num, representative of the tightness of the seal at said interface between the seal and said one of the two surfaces, such that: F num = ∫ r ⁢ i r ⁢ e ⁢ ∫ 0 p m ⁢ a ⁢ x ⁢ λ. Smzz σ seuil α. p p 0 β ⁢ d ⁢ p ⁢ d ⁢ r r, where λ, α and β: coefficients the values of which depend on the material of the seal, re and ri: respectively the external radius and the internal radius of the deformation of the seal, m, r: position along the contact between the seal and said at least one of the two surfaces, Lc = re - ri, m, Smzz: axial stress, MPa, σ seuil: threshold stress equal to 1 MPa, p: cumulative plastic deformation, pmax: maximum value attained by p during the simulation, p 0: constant equal to 1, and in which the digital simulation and the calculations are implemented by computer. - digital simulation of a deformation by creep of the seal by compression of the seal between two surfaces (103, 107); - calculation, at at least one interface between the seal and one of the two surfaces, of a cumulative plastic deformation p of the seal, of an axial stress Smzz between the seal and said one of the two surfaces, and of a contact length Lc between the seal and said one of the two surfaces, during the digital simulation; - calculation of a simulated pore plugging coefficient F num, representative of the tightness of the seal at said interface between the seal and said one of the two surfaces, such that: F num = ∫ r ⁢ i r ⁢ e ⁢ ∫ 0 p m ⁢ a ⁢ x ⁢ λ. Smzz σ seuil α. p p 0 β ⁢ d ⁢ p ⁢ d ⁢ r r, where λ, α and β: coefficients the values of which depend on the material of the seal, re and ri: respectively the external radius and the internal radius of the deformation of the seal, m, r: position along the contact between the seal and said at least one of the two surfaces, Lc = re - ri, m, Smzz: axial stress, MPa, σ seuil: threshold stress equal to 1 MPa, p: cumulative plastic deformation, pmax: maximum value attained by p during the simulation, p 0: constant equal to 1, λ, α and β: coefficients the values of which depend on the material of the seal, re and ri: respectively the external radius and the internal radius of the deformation of the seal, m, r: position along the contact between the seal and said at least one of the two surfaces, Lc = re - ri, m, Smzz: axial stress, MPa, σ seuil: threshold stress equal to 1 MPa, p: cumulative plastic deformation, pmax: maximum value attained by p during the simulation, p 0: constant equal to 1,
A belt for suspending and/or driving an elevator car of an elevator system comprising: a plurality of tension members spaced from each other along a width of the belt and extending longitudinally along a length of the belt; a jacket at least partially enveloping the plurality of tension members and forming at least one outer belt surface along the width of the belt; a groove located in the at least one outer belt surface extending longitudinally along the length of the belt, characterized in that the groove has a groove depth between one tenth and one half of a jacket material depth at the tension member and the groove is discontinuous along a length of the belt. a plurality of tension members spaced from each other along a width of the belt and extending longitudinally along a length of the belt; a jacket at least partially enveloping the plurality of tension members and forming at least one outer belt surface along the width of the belt; a groove located in the at least one outer belt surface extending longitudinally along the length of the belt, characterized in that the groove has a groove depth between one tenth and one half of a jacket material depth at the tension member and the groove is discontinuous along a length of the belt.
A rotor assembly (10, 20) for a wind turbine, the rotor assembly (10, 20) comprising: a hub (100, 2100) adapted to be carried by a shaft of the wind turbine; a plurality of rods or prop arms (202, 2302) extending from the hub (100, 2100); a plurality of blades (302, 2402) carried by the plurality of prop arms (202, 2302); and a rotor speed regulating mechanism (400, 2500) adapted to alter a pitch of the plurality of blades (302, 2402) responsive to varying wind speeds, thereby regulating the speed of the plurality of blades (302, 2402), characterized in that a plurality of springs extends from the hub to the plurality of blades, and in that the rotor speed regulating mechanism (400, 2500) includes - a synchronizer adapted to be carried by the shaft of the wind turbine and positioned adjacent to the hub (100, 2100), the synchronizer including a central portion adapted to be mounted on the shaft, a plurality of links (416, 418, 420) extending from the central portion, and a plurality of ball-and-socket couplers (422, 424, 426) carried by the plurality of links (416, 418, 420), the ball and socket couplers each comprising a ball with a ball arm and corresponding socket; a plurality of blade shoes (502, 504, 506) carried by the plurality of blades (302, 304, 306), the plurality of blade shoes (502, 504, 506) being coupled with the plurality of ball and socket couplers (422, 424, 426), adjustably received in a hole of the protruding portion of the corresponding blade shoes (502, 504, 506), the hole is configured to enable and maintain adjustment of the connection between the protruding portion and the ball arm, such that the length of the ball arm extending between the protruding portion and the ball socket joint is adjustable to and/or maintainable at a desired length. a hub (100, 2100) adapted to be carried by a shaft of the wind turbine; a plurality of rods or prop arms (202, 2302) extending from the hub (100, 2100); a plurality of blades (302, 2402) carried by the plurality of prop arms (202, 2302); and a rotor speed regulating mechanism (400, 2500) adapted to alter a pitch of the plurality of blades (302, 2402) responsive to varying wind speeds, thereby regulating the speed of the plurality of blades (302, 2402),
A sports trouser, being a cycling trouser or a triathlon trouser, comprising: a trouser portion having a waistband portion from which a bifurcated leg portion (12a, 12b) depends, characterized by: a halter portion extending from the waistband portion to loop, when worn, around the back of the neck of the wearer, thereby to apply an upward force to the waistband portion, wherein the halter portion is anchored to the waistband portion so as to apply force at at least two positions (17a, 17b) arranged on either side of the body sagittal plane each being rearward of the body coronal plane, the halter portion being anchored so as to extend to the neck crossing the body coronal plane beneath the arms of the wearer. a trouser portion having a waistband portion from which a bifurcated leg portion (12a, 12b) depends, characterized by: a halter portion extending from the waistband portion to loop, when worn, around the back of the neck of the wearer, thereby to apply an upward force to the waistband portion, wherein the halter portion is anchored to the waistband portion so as to apply force at at least two positions (17a, 17b) arranged on either side of the body sagittal plane each being rearward of the body coronal plane, the halter portion being anchored so as to extend to the neck crossing the body coronal plane beneath the arms of the wearer. a halter portion extending from the waistband portion to loop, when worn, around the back of the neck of the wearer, thereby to apply an upward force to the waistband portion, wherein the halter portion is anchored to the waistband portion so as to apply force at at least two positions (17a, 17b) arranged on either side of the body sagittal plane each being rearward of the body coronal plane, the halter portion being anchored so as to extend to the neck crossing the body coronal plane beneath the arms of the wearer.
Device for pressing a cover on to a block of printed matter, which block is provided with a layer of adhesive and is moved by a book block transport system in a transport direction, the device comprising a pressing table movable in a vertical and horizontal direction and at least two vertically and horizontally movable pressing rails (22, 23) which are displaceable in a transverse direction perpendicular to the transport direction, wherein the pressing rails (22, 23) replicate the vertical and horizontal movement of the pressing table, and wherein a controllable drive is allocated to a respective pressing rail (22, 23) to control the application force, characterised in that, at least one bearing rail for displaceably supporting the respective pressing rail (22, 23) is allocated to each pressing rail (22, 23), and the controllable drive together with the at least one bearing rail of a respective pressing rail are mounted on a common coupling element, and in that the drives are connected to the pressing table via at least one coupling element (42, 61) and replicate at least the horizontal movement thereof, in such a way that, viewed in the transport direction, no relative movements take place between a controllable drive and a respective pressing rail (22, 23).