mhurhangee/ep-ind-claims huggingface dataset:
An impeller for a centrifugal compressor, the impeller comprising: a hub defining a rotation axis about which the impeller is rotatable; and a vane (32a, 32) extending from the hub to an outer free end, the vane (32a, 32) having a leading edge, a trailing edge, and a chord defined therebetween, a pressure side of the vane (32a, 32) and a suction side of the vane (32a, 32) opposite the pressure side, the chord extending between the leading and trailing edges (56, 58) intermediate the pressure and suction sides (52, 54) of the vane (32a, 32), a vane thickness defined transversely between the pressure side and the suction side, wherein the vane thickness is measurable transversely to the chord between the pressure and suction sides (52, 54) at a root of the vane (32a, 32), the root of the vane (32a, 32) formed at a junction between an outer surface of the hub and the pressure and suctions sides (52, 54) of the vane (32a, 32); wherein the vane thickness at the root reduces over at least a downstream 40% of the chord, and wherein a maximum thickness value of the vane thickness at the root is within an upstream 50% of the chord, characterized in that the vane thickness at the root has a trailing edge thickness value at the trailing edge of between 60% and 70% of the maximum thickness value of the vane thickness at the root. a hub defining a rotation axis about which the impeller is rotatable; and a vane (32a, 32) extending from the hub to an outer free end, the vane (32a, 32) having a leading edge, a trailing edge, and a chord defined therebetween, a pressure side of the vane (32a, 32) and a suction side of the vane (32a, 32) opposite the pressure side, the chord extending between the leading and trailing edges (56, 58) intermediate the pressure and suction sides (52, 54) of the vane (32a, 32), a vane thickness defined transversely between the pressure side and the suction side, wherein the vane thickness is measurable transversely to the chord between the pressure and suction sides (52, 54) at a root of the vane (32a, 32), the root of the vane (32a, 32) formed at a junction between an outer surface of the hub and the pressure and suctions sides (52, 54) of the vane (32a, 32); wherein the vane thickness at the root reduces over at least a downstream 40% of the chord, and wherein a maximum thickness value of the vane thickness at the root is within an upstream 50% of the chord, characterized in that the vane thickness at the root has a trailing edge thickness value at the trailing edge of between 60% and 70% of the maximum thickness value of the vane thickness at the root.
A composition comprising a source of copper ions and at least one additive comprising at least one polyaminoamide represented by formula I or derivatives of a polyaminoamide of formula I obtainable by complete or partial protonation or acylation, wherein D 1 is, for each repeating unit 1 to p independently, selected from a chemical bond or a divalent group selected from C 1 -C 20 -alkanediyl group which may optionally be interrupted by a double bond and/or an imino group and/or is optionally, completely or partially, a constituent of one or more saturated or unsaturated carbocyclic 5- to 8-membered rings, D 2, D 3 are independently selected from straight chain or branched C1 to C6 alkanediyl, R 1 is, for each repeating unit 1 to n independently, selected from R 2, C 1 -C 20 -alkyl and C 1 -C 20 -alkenyl, which may optionally be substituted by hydroxyl, alkoxy or alkoxycarbonyl, R 2 is selected from hydrogen, E 1, E 2 are independently selected from (a) a nucleophilically displaceable leaving group X, (b) NH-C 1 -C 20 -alkyl or NH-C 1 -C 20 -alkenyl, (c) H-{NH-[D 2 -NR 1] n -D 3 -NH} or R 2 -{NR 2 -[D 2 -NR 1] n -D 3 -NH}, (d) C 1 -C 20 -alkyl-CO-{NH-[D 2 -NR 2] n -D 3- NH}, and (e) C 1 -C 20 -alkenyl-CO-{NH-[O 2 -NR 2] n -O 3 -NH}, n is an integer from 1 to 250, p is an integer from 2 to 150. D 1 is, for each repeating unit 1 to p independently, selected from a chemical bond or a divalent group selected from C 1 -C 20 -alkanediyl group which may optionally be interrupted by a double bond and/or an imino group and/or is optionally, completely or partially, a constituent of one or more saturated or unsaturated carbocyclic 5- to 8-membered rings, D 2, D 3 are independently selected from straight chain or branched C1 to C6 alkanediyl, R 1 is, for each repeating unit 1 to n independently, selected from R 2, C 1 -C 20 -alkyl and C 1 -C 20 -alkenyl, which may optionally be substituted by hydroxyl, alkoxy or alkoxycarbonyl, R 2 is selected from hydrogen, E 1, E 2 are independently selected from (a) a nucleophilically displaceable leaving group X, (b) NH-C 1 -C 20 -alkyl or NH-C 1 -C 20 -alkenyl, (c) H-{NH-[D 2 -NR 1] n -D 3 -NH} or R 2 -{NR 2 -[D 2 -NR 1] n -D 3 -NH}, (d) C 1 -C 20 -alkyl-CO-{NH-[D 2 -NR 2] n -D 3- NH}, and (e) C 1 -C 20 -alkenyl-CO-{NH-[O 2 -NR 2] n -O 3 -NH}, (a) a nucleophilically displaceable leaving group X, (b) NH-C 1 -C 20 -alkyl or NH-C 1 -C 20 -alkenyl, (c) H-{NH-[D 2 -NR 1] n -D 3 -NH} or R 2 -{NR 2 -[D 2 -NR 1] n -D 3 -NH}, (d) C 1 -C 20 -alkyl-CO-{NH-[D 2 -NR 2] n -D 3- NH}, and (e) C 1 -C 20 -alkenyl-CO-{NH-[O 2 -NR 2] n -O 3 -NH}, n is an integer from 1 to 250, p is an integer from 2 to 150.
A chip card with a card body, wherein: - a miniature chip card is detachable from the card body; - into the miniature chip card an integrated semiconductor circuit is introduced; - the card body has a fully circumferential gap along the outer contour of the miniature chip card, except for two connections by which the miniature chip card is held in the card body; characterized in that: - the two connections are arranged on only one side edge of the outer contour of the miniature chip card; - both connections are formed as webs, wherein the web width of two webs corresponds maximally to half of the respective side edge length; - the two webs are arranged on a rotation axis (R-R'); and - the rotation axis (R-R') extends parallel to but spaced from the longitudinal axis (L-L') or the transverse axis (Q-Q') of the miniature chip card. - a miniature chip card is detachable from the card body; - into the miniature chip card an integrated semiconductor circuit is introduced; - the card body has a fully circumferential gap along the outer contour of the miniature chip card, except for two connections by which the miniature chip card is held in the card body; - the two connections are arranged on only one side edge of the outer contour of the miniature chip card; - both connections are formed as webs, wherein the web width of two webs corresponds maximally to half of the respective side edge length; - the two webs are arranged on a rotation axis (R-R'); and - the rotation axis (R-R') extends parallel to but spaced from the longitudinal axis (L-L') or the transverse axis (Q-Q') of the miniature chip card.
A method for accessing a network hotspot device by an unconfigured device, in which the network hotspot device creates a first hotspot and a second hotspot of one or more network hotspot devices, wherein the first hotspot is a hotspot that does not have Internet accessing capability, and the second hotspot is a hotspot capable of accessing the Internet, the method comprising: reporting, by the unconfigured device, its own device information to the one or more network hotspot devices through the first hotspot of the one or more network hotspot devices; sending, by the one or more network hotspot devices, the device information to a server; sending, by one or more user terminals corresponding to the one or more network hotspot devices, a configuration request for the unconfigured device to the server, wherein a user terminal corresponding to a network hotspot device is a user terminal connected to a hotspot of the network hotspot device; setting, by the server, a user terminal of which the configuration request is first received by the server as a target user terminal and sending a configuration response message to the target user terminal; and initiating, by the target user terminal, an access process of the unconfigured device for the second hotspot of a target network hotspot device after receiving the configuration response message, wherein the target network hotspot device is a network hotspot device having a hotspot to which the target user terminal is connected. reporting, by the unconfigured device, its own device information to the one or more network hotspot devices through the first hotspot of the one or more network hotspot devices; sending, by the one or more network hotspot devices, the device information to a server; sending, by one or more user terminals corresponding to the one or more network hotspot devices, a configuration request for the unconfigured device to the server, wherein a user terminal corresponding to a network hotspot device is a user terminal connected to a hotspot of the network hotspot device; setting, by the server, a user terminal of which the configuration request is first received by the server as a target user terminal and sending a configuration response message to the target user terminal; and initiating, by the target user terminal, an access process of the unconfigured device for the second hotspot of a target network hotspot device after receiving the configuration response message, wherein the target network hotspot device is a network hotspot device having a hotspot to which the target user terminal is connected.
Device with a premix burner, a fuel supply and a control or regulator unit for operating a gas turbine, wherein the premix burner has at least one burner shell (1, 2) which at least partially delimits an axially extending premix chamber, and a premix gas supply directed into the premix chamber via the burner shell (1, 2), wherein the premix gas is mixed with combustion supply air inside the premix burner and is ignited downstream outside the premix burner, wherein at least two physically separated regions (S1, S2) are provided axially along the burner shell (1, 2), via which regions premix gas can be fed into the premix chamber and which are connected to separate premix gas supply lines (4, 5), wherein a first region is provided in the burner shell (1, 2) and arranged upstream in the premix burner, and at least one second region is arranged downstream of the first region in the premix burner, and a regulator or control unit is provided which is connected to the premix gas supply lines (4, 5) and divides the premix gas supply to the individual regions depending on the load range of the gas turbine, characterised in that the premix gas supply line of the first region is provided with a choke valve, that an intersection point is provided between the choke valve and the first region, from which point a branch line leads to the second region, and that the control or regulator unit is provided between the intersection point and the second region.
Device for applying a liquid or powdered medium to a surface comprising a) an application element (49, 59, 69, 79, 89, 99) for applying a liquid or powdered medium, which element is mounted between two carrier elements (141, 441, 541, 641, 741, 841, 941) and is variable flexibly in its width; and b) two limiting elements (14, 44, 54, 64, 74, 84, 94) which are positioned laterally on the application element (49, 59, 69, 79, 89, 99) and are configured so that they adapt to the flexible width of the application element (49, 59, 69, 79, 89, 99) and laterally delimit the medium application, wherein the two limiting elements (14, 44, 54, 64, 74, 84, 94) each comprise a guide element (56, 66, 76, 96) that detects the contour of the surface and is configured so that it adapts the width of the medium application flexibly to the contour of the surface during the medium application, characterised in that the limiting elements are either tapered, so that the pointed end engages in contours or structures of the surface and hereby gives the material application corresponding guidance, or that the guide element is configured as a ball or roll. a) an application element (49, 59, 69, 79, 89, 99) for applying a liquid or powdered medium, which element is mounted between two carrier elements (141, 441, 541, 641, 741, 841, 941) and is variable flexibly in its width; and b) two limiting elements (14, 44, 54, 64, 74, 84, 94) which are positioned laterally on the application element (49, 59, 69, 79, 89, 99) and are configured so that they adapt to the flexible width of the application element (49, 59, 69, 79, 89, 99) and laterally delimit the medium application,
A support frame of a CT imaging system, comprising: a connection flat plate portion; a support body portion disposed on the connection flat plate portion; an X-ray source installation reference portion disposed on the connection flat plate portion; an electrical installation portion; a cooling component installation portion; and a through hole, wherein the through hole is surrounded by the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion, and the through hole penetrates the connection flat plate portion, characterized in that two ends of the support body portion are connected to the electrical installation portion and the cooling component installation portion respectively, the X-ray source installation reference portion is opposite to the support body portion, and the X-ray source installation reference portion is located between the electrical installation portion and the cooling component installation portion, a circumferential surface of the support body portion is provided with an integrally formed detector installation portion, and the detector installation portion has a strip shape, the connection flat plate portion, the support body portion, the X-ray source installation reference portion, the electrical installation portion, the cooling component installation portion and the detector installation portion are an integrally cast part, and an end portion of the support body portion opposite to the connection flat plate portion is provided with at least one heat dissipation groove. a connection flat plate portion; a support body portion disposed on the connection flat plate portion; an X-ray source installation reference portion disposed on the connection flat plate portion; an electrical installation portion; a cooling component installation portion; and a through hole, wherein the through hole is surrounded by the support body portion, the X-ray source installation reference portion, the electrical installation portion and the cooling component installation portion, and the through hole penetrates the connection flat plate portion, characterized in that two ends of the support body portion are connected to the electrical installation portion and the cooling component installation portion respectively, the X-ray source installation reference portion is opposite to the support body portion, and the X-ray source installation reference portion is located between the electrical installation portion and the cooling component installation portion, a circumferential surface of the support body portion is provided with an integrally formed detector installation portion, and the detector installation portion has a strip shape, the connection flat plate portion, the support body portion, the X-ray source installation reference portion, the electrical installation portion, the cooling component installation portion and the detector installation portion are an integrally cast part, and an end portion of the support body portion opposite to the connection flat plate portion is provided with at least one heat dissipation groove.
A transport device comprising two parts arranged so as to be displaceable relative to one another in a motion direction, wherein a first part comprises a drive unit which comprises at least two rotary discs (8, 9), axially spaced apart and driven by an electric motor, wherein magnets, spaced apart in the circumferential direction, are arranged on each rotary disc (8, 9) and alternately have different magnetization directions, wherein the magnetization direction of the magnets is in each case provided in or counter to the motor axial direction, wherein each magnet of one rotary disc (8, 9) is arranged axially opposite a magnet of the other rotary disc (9, 8), so that the associated main flux is oriented axially and a strongly attracting force is produced between the rotary discs (8, 9), in particular a north pole of the first rotary disc (8, 9) is opposite a south pole of the other rotary disc (9, 8) and vice-versa, wherein a second part comprises a reaction surface, i.e. blade, which protrudes into the region between the magnets, therefore into the region of the main flux, to generate the advancing force, characterized in that the rotary discs (8, 9) are arranged so as to be displaceable in an axial direction, wherein a spring element is arranged between the rotary discs (8, 9) and keeps the latter spaced apart counter to the strongly attracting force, wherein the blade is mounted on the carriage via a pivot bearing whose rotational axis is oriented perpendicular to the direction of travel and perpendicular to the axial direction of the electric motor shaft, wherein although the electric motor with the rotary discs (8, 9) is arranged in a stationary manner, it is however in addition secured to the underlying surface via a movable bearing which permits motion in an axial direction of the motor shaft.
An unmanned aerial vehicle comprising a fuselage with a mounting feature; wings (1801, 801) with mounting features configured to removeably engage the mounting feature on the fuselage; photovoltaics mounted on the wings (1801, 801) and configured to collect solar energy and convert it into electrical energy; wingtips removably mounted to the wings; a propulsion propeller mounted to the fuselage; a replaceable launch and recovery module having a removeable rocket motor configured to provide initial energy for the launch of the vehicle, and a deployable parachute configured to allow the vehicle to descend at a controlled rate, said launch and recovery module removably mounted to the fuselage.
A system for automatically aligning a rear wheel and a front wheel of a bicycle and warehousing the bicycle, comprising: the bicycle and a warehousing box for storing the bicycle; wherein an encoder is mounted on a frame of the bicycle for recording a rotation angle of a stem of the bicycle and sensing whether the rear wheel and the front wheel are aligned along a longitudinal direction of the bicycle; wherein a correcting and fine-adjusting device is provided in the warehousing box to automatically twist the rear wheel according to the rotation angle recorded by the encoder on the frame of the bicycle, so that the rear wheel and the front wheel are in a line; wherein the correcting and fine-adjusting device includes a slider rolling on balls, and a fine-adjusting electric motor rotating a guide screw to drive the slider to move in a left-right direction; wherein, when the rear wheel reaches the slider, a controller in the warehousing box communicates with a controller of the bicycle to obtain the rotation angle recorded by the encoder, then the fine-adjusting electric motor is started and drives the slider to move leftward or rightward to align the rear wheel with the front wheel. the bicycle and a warehousing box for storing the bicycle; wherein an encoder is mounted on a frame of the bicycle for recording a rotation angle of a stem of the bicycle and sensing whether the rear wheel and the front wheel are aligned along a longitudinal direction of the bicycle; wherein a correcting and fine-adjusting device is provided in the warehousing box to automatically twist the rear wheel according to the rotation angle recorded by the encoder on the frame of the bicycle, so that the rear wheel and the front wheel are in a line; wherein the correcting and fine-adjusting device includes a slider rolling on balls, and a fine-adjusting electric motor rotating a guide screw to drive the slider to move in a left-right direction; wherein, when the rear wheel reaches the slider, a controller in the warehousing box communicates with a controller of the bicycle to obtain the rotation angle recorded by the encoder, then the fine-adjusting electric motor is started and drives the slider to move leftward or rightward to align the rear wheel with the front wheel.
Process for the purification of methylcobalamin from mixtures with iron cyanide anions, which are anionic iron or iron complexes with cyanide, characterized in that it comprises contacting a solution comprising methylcobalamin and iron cyanide anions with a strongly basic anion exchange resin, characterized in that the methylcobalamin which is purified is obtained by reductive methylation of cyanocobalamin in the presence of iron salts and optionally iron salts as cyanide scavengers.
A subsurface safety valve system (102, 202) for use with an electric submersible pump (104, 204), the subsurface safety valve system comprising: a pressure regulator configured to manage a pressure downstream of a pump discharge during operation; a hydraulic piston exposed to pressure upstream of the pressure regulator during operation, the hydraulic piston extending into a first fluid reservoir, wherein the first fluid reservoir is defined by a piston housing; and a subsurface safety valve positioned downstream of the pressure regulator and fluidically coupled for hydraulic actuation by the hydraulic piston, wherein a cracking or opening pressure of the pressure regulator is higher than an opening pressure of the subsurface safety valve. a pressure regulator configured to manage a pressure downstream of a pump discharge during operation; a hydraulic piston exposed to pressure upstream of the pressure regulator during operation, the hydraulic piston extending into a first fluid reservoir, wherein the first fluid reservoir is defined by a piston housing; and a subsurface safety valve positioned downstream of the pressure regulator and fluidically coupled for hydraulic actuation by the hydraulic piston, wherein a cracking or opening pressure of the pressure regulator is higher than an opening pressure of the subsurface safety valve.