mhurhangee/patent-ind-claim-en huggingface dataset:
Method for damping stepper motor resonances, in which the coils (A; B) of a stepper motor (M) are each connected into a bridge circuit (Br1; Br2) comprising semiconductor switches (Sw1, ..Sw4), via which a supply voltage (+V M ) of a supply voltage source is applied to the motor coils (A; B) in order, by corresponding opening and closing of the semiconductor switches (Sw1, ..Sw4) by means of switching signals (Hs, Ls), to impress into the motor coils (A; B) target coil current values which are respectively preset for each point in time and which have a preset polarity, wherein in each case a detector (D) detects a zero crossing or a temporal range surrounding the zero crossing of the preset target coil current (I SollA ; I SollB ) of each motor coil (A; B) and a timer (T) is activated by each detector (D), wherein a passive FD-phase is activated by means of a switching signal at least at medium and high motor speeds in the zero crossing or in a temporal range surrounding the zero crossing of the preset target coil current (I SollA ; I SollB ) for each motor coil (A; B), during which passive FD-phase all semiconductor switches (Sw1, ..Sw4) are opened or switched blocking for a specified period of time determined by the timer (T), in order to thereby feed a coil current (I A ; I B ) flowing in the related motor coil (A; B) back into the supply voltage source either via inverse or body diodes intrinsically existing in the semiconductor switches (Sw1, Sw4) and/or via diodes (D1,..D4) connected in parallel to the semiconductor switches (Sw1, ..Sw4) in the reverse direction between the positive supply voltage (+V M ) and ground potential. wherein in each case a detector (D) detects a zero crossing or a temporal range surrounding the zero crossing of the preset target coil current (I SollA ; I SollB ) of each motor coil (A; B) and a timer (T) is activated by each detector (D), wherein a passive FD-phase is activated by means of a switching signal at least at medium and high motor speeds in the zero crossing or in a temporal range surrounding the zero crossing of the preset target coil current (I SollA ; I SollB ) for each motor coil (A; B), during which passive FD-phase all semiconductor switches (Sw1, ..Sw4) are opened or switched blocking for a specified period of time determined by the timer (T), in order to thereby feed a coil current (I A ; I B ) flowing in the related motor coil (A; B) back into the supply voltage source either via inverse or body diodes intrinsically existing in the semiconductor switches (Sw1, Sw4) and/or via diodes (D1,..D4) connected in parallel to the semiconductor switches (Sw1, ..Sw4) in the reverse direction between the positive supply voltage (+V M ) and ground potential.
Process for the conversion of plastics to chemicals comprising in this order the steps of: (i) providing a plastics stream (A) comprising polyvinyl chloride (PVC); (ii) supplying the plastics stream (A) and a solvent (S) to a reactor vessel ; (iii) subjecting the plastics in the reactor vessel to a temperature of ≥ 250°C to < 350, preferably of ≥ 275°C and ≤ 325°C, preferably for a period of 5-30 minutes, under applying a vacuum, preferably of ≤ 200 mbar, or using an inert gas sweep, and evacuating the generated hydrogen chloride (B) from the vessel, wherein the PVC is partially dechlorinated to form a plastics stream (C) comprising partially unsaturated PVC; (iv) removing the plastics stream (C) comprising partially unsaturated PVC from the reaction vessel; (v) separating in a separation system at least a part of the partially unsaturated PVC from the plastics stream to form a dechlorinated plastics stream (D) comprising the solvent; (vi) supplying the stream (D) comprising the solvent and the dechlorinated plastics to a solvent recovery system to recover the solvent and obtain a dechlorinated plastics stream (E); (vii) mixing the stream (E) with a recycle stream from a coker (K) to form a pre-feed stream (F); (viii) mixing the stream (F) with a coker feed (G) to product a feed stream (H) that meets the chlorine specifications for a coker unit ; and (ix) subjecting the coker unit to such conditions to obtain a liquid coker stream (I) and a solid coke product (L). (i) providing a plastics stream (A) comprising polyvinyl chloride (PVC); (ii) supplying the plastics stream (A) and a solvent (S) to a reactor vessel ; (iii) subjecting the plastics in the reactor vessel to a temperature of ≥ 250°C to < 350, preferably of ≥ 275°C and ≤ 325°C, preferably for a period of 5-30 minutes, under applying a vacuum, preferably of ≤ 200 mbar, or using an inert gas sweep, and evacuating the generated hydrogen chloride (B) from the vessel, wherein the PVC is partially dechlorinated to form a plastics stream (C) comprising partially unsaturated PVC; (iv) removing the plastics stream (C) comprising partially unsaturated PVC from the reaction vessel; (v) separating in a separation system at least a part of the partially unsaturated PVC from the plastics stream to form a dechlorinated plastics stream (D) comprising the solvent; (vi) supplying the stream (D) comprising the solvent and the dechlorinated plastics to a solvent recovery system to recover the solvent and obtain a dechlorinated plastics stream (E); (vii) mixing the stream (E) with a recycle stream from a coker (K) to form a pre-feed stream (F); (viii) mixing the stream (F) with a coker feed (G) to product a feed stream (H) that meets the chlorine specifications for a coker unit ; and (ix) subjecting the coker unit to such conditions to obtain a liquid coker stream (I) and a solid coke product (L).
A device comprising: a wireless communication unit and a processing unit configured to control the wireless communications unit to transmit a message to instruct an access point to establish a connection for infrastructure communication with another device , the message transmitted on condition that a connection for P2P communication with the other device is established, a connection for infrastructure communication with the access point is established or there is a history in which the connection for infrastructure communication with the access point has been established, and a connection for infrastructure communication between the other device and the access point is not established. a wireless communication unit and a processing unit configured to control the wireless communications unit to transmit a message to instruct an access point to establish a connection for infrastructure communication with another device , the message transmitted on condition that a connection for P2P communication with the other device is established, a connection for infrastructure communication with the access point is established or there is a history in which the connection for infrastructure communication with the access point has been established, and a connection for infrastructure communication between the other device and the access point is not established.
A method for wireless communications by a base station, comprising: selecting at least one narrow band, from a number of narrow bands (1302; 1306; 1310; 1402; 1408; 1502; 1512; 1602; 1702) partitioned from an available system bandwidth, for communications with a user equipment, UE; signaling information regarding the selected narrow band to the UE: and communicating with the UE using the selected narrow band, characterized in that the UE operates at a narrow bandwidth for machine type communications and the information is signaled via at least one of a physical downlink control channel, PDCCH, or an enhanced PDCCH, EPDCCH, the information comprising: a first field indicating an index of the selected narrow band; and a second field indicating a resource allocation within the selected narrow band. selecting at least one narrow band, from a number of narrow bands (1302; 1306; 1310; 1402; 1408; 1502; 1512; 1602; 1702) partitioned from an available system bandwidth, for communications with a user equipment, UE; signaling information regarding the selected narrow band to the UE: and communicating with the UE using the selected narrow band, characterized in that the UE operates at a narrow bandwidth for machine type communications and the information is signaled via at least one of a physical downlink control channel, PDCCH, or an enhanced PDCCH, EPDCCH, the information comprising: a first field indicating an index of the selected narrow band; and a second field indicating a resource allocation within the selected narrow band. a first field indicating an index of the selected narrow band; and a second field indicating a resource allocation within the selected narrow band.
An apparatus for storing and changing needles for connection with a medicament delivery device, the apparatus comprising: an inner housing having a floor disposed at a distal end thereof; a needle holder disposed within the housing, for fluidly connecting with the medicament container of the medicament delivery device; a user interface adapted to displace the needle holder; a plurality of needles displaceably disposed on the needle holder, each needle having a needle hub disposed around a portion of the needle; a user interface disposed on the housing to individually select one of the plurality of needles and displace the selected needle; and a plurality of sterility barriers for ensuring sterility of a patient portion of each needle prior to exposure to an outside of the apparatus; wherein each sterility barrier comprises a boot disposed at a distal end of the patient portion of the needle; characterized in that the needle holder is displaceable along a substantially planar circuitous path; each sterility barrier comprises an introducer , slidable relative to the respective needle hub ; wherein the introducer is adapted to slide relative to the boot, the boot having a sterile floor at a distal end thereof; and wherein the introducer has a distal cutting tip adapted to cut a portion of the sterile floor, and a proximal shoulder adapted to engage the boot. an inner housing having a floor disposed at a distal end thereof; a needle holder disposed within the housing, for fluidly connecting with the medicament container of the medicament delivery device; a user interface adapted to displace the needle holder; a plurality of needles displaceably disposed on the needle holder, each needle having a needle hub disposed around a portion of the needle; a user interface disposed on the housing to individually select one of the plurality of needles and displace the selected needle; and a plurality of sterility barriers for ensuring sterility of a patient portion of each needle prior to exposure to an outside of the apparatus; wherein each sterility barrier comprises a boot disposed at a distal end of the patient portion of the needle; characterized in that the needle holder is displaceable along a substantially planar circuitous path; each sterility barrier comprises an introducer , slidable relative to the respective needle hub ; wherein the introducer is adapted to slide relative to the boot, the boot having a sterile floor at a distal end thereof; and wherein the introducer has a distal cutting tip adapted to cut a portion of the sterile floor, and a proximal shoulder adapted to engage the boot.
A drive circuit configured to drive a load, the circuit comprising: a transformer comprising: a transformer primary comprising one or more primary windings each connected to an arm that passes through a magnetic material ; a transformer secondary comprising secondary windings connected to secondary conductors which pass through the inside of the arms ; a voltage source configured to apply a voltage across the transformer primary, and two switching elements configured to enable current to be passed through the transformer primary in a first and a second direction, the second direction being opposing to the first direction; characterised in that a larger face of each secondary conductor is offset from parallel from a larger face of the secondary conductors adjacent to it. a transformer comprising: a transformer primary comprising one or more primary windings each connected to an arm that passes through a magnetic material ; a transformer secondary comprising secondary windings connected to secondary conductors which pass through the inside of the arms ; a transformer primary comprising one or more primary windings each connected to an arm that passes through a magnetic material ; a transformer secondary comprising secondary windings connected to secondary conductors which pass through the inside of the arms ; a voltage source configured to apply a voltage across the transformer primary, and two switching elements configured to enable current to be passed through the transformer primary in a first and a second direction, the second direction being opposing to the first direction;
A pre-loaded piezoelectric stack actuator comprising a piezoelectric stack ; first and second end caps at opposed first and second ends of the piezoelectric stack; one or more first plates stacked between the first end cap and the first end of the piezoelectric stack; one or more second plates stacked between the second end cap and the second end of the piezoelectric stack; a first elongate pre-loaded spring plate on a side of the piezoelectric stack and including opposed ends coupled to a first side of the first and second end caps, the first spring plate defining one or more slots ; and a second elongate pre-loaded spring plate on an opposite side of the piezoelectric stack and including opposed ends coupled to a second side of the first and second end caps opposite the first side of the first and second end caps, the second spring plate defining one or more slots . a piezoelectric stack ; first and second end caps at opposed first and second ends of the piezoelectric stack; one or more first plates stacked between the first end cap and the first end of the piezoelectric stack; one or more second plates stacked between the second end cap and the second end of the piezoelectric stack; a first elongate pre-loaded spring plate on a side of the piezoelectric stack and including opposed ends coupled to a first side of the first and second end caps, the first spring plate defining one or more slots ; and a second elongate pre-loaded spring plate on an opposite side of the piezoelectric stack and including opposed ends coupled to a second side of the first and second end caps opposite the first side of the first and second end caps, the second spring plate defining one or more slots .
Transporting device for loading and/or emptying a plate press with a press material stack to be pressed or with a pressed press plate with transporting bars displaceable on guide rails in the transporting direction (T), between which a press material stack or a press plate is or can be positioned, and clamping devices fastened to the transporting bars by way of support arms , wherein the clamping devices each have two clamping jaws which can be moved together by means of a clamping drive in order to grip a press material stack or a press plate, wherein clamping devices , arranged on both sides of the press material stack, with the support arms and connected transverse drives can be moved together to pick up the press material stack or the press plate and moved apart for clamping the press material stack or the press plate transversely to the transporting direction, and wherein several clamping devices are arranged on a clamping bar which extends along the transporting device (T) and is connected to the support arms , characterised in that the clamping drives are designed as hydraulic clamping cylinder drives and in that hydraulic supply lines are integrated into the clamping bar .
Tool element for a tool for the injection molding of plastic parts, wherein the tool element is composed at least of a first assembly (61, 61, 61") and of a second assembly (62, 62', 62"), wherein at least one mold insert (1, 2 and/or 214) associated with the first assembly (61, 61', 61") is fastened to the second assembly in order to form the mold cavity, and wherein an ejecting device for ejecting finished injection-molded parts is combined in the tool element with the mold insert (1, 2 and/or 214), and wherein at least the one mold insert (1, 2 and/or 214) and the ejecting device form the first assembly (61, 61', 61") and wherein the first assembly (61, 61', 61") is detachably arranged on the second assembly (62, 62', 62") of the associated tool element in such a way that the first assembly (61, 61', 61") can be inserted into and/or placed onto the second assembly (62, 62', 62") at least in some regions in a predetermined stacking direction (S) and is mounted in the stacking direction (S), wherein the first assembly (61, 61', 61") is inserted into and/or placed onto and mounted on the second assembly (62, 62', 62") in such a way that the first assembly (61, 61', 61") has a limited mobility in the operating state of the tool relative to the second assembly (62, 62', 62") in a direction of movement obliquely, in particular perpendicularly or substantially perpendicularly, to the stacking direction (S), characterized in that a plurality of first assemblies (61, 61', 61") are releasably arranged via a single locking mechanism, and in that the ejecting device , when arranged in a recess (650, 650', 650") of a first retaining plate of the tool element for accommodating the ejecting device , is supported on said first retaining plate of the tool element.
A laser welding system comprising: a fiber laser including an output fiber; a laser welding head comprising: a collimator coupled to the output fiber of the fiber laser ; at least first and second movable mirrors configured to receive a collimated laser beam from the collimator ; and a focus lens configured to focus the laser beam relative to a workpiece while the beam is moved; a control system for controlling at least the fiber laser and positions of the mirrors, the control system comprising a controller; characterized in that the control system includes control software to allow the at least first and second movable mirrors to move the beam in first and second axes within only a limited field of view defined by a scan angle of about 1-2°. a fiber laser including an output fiber; a laser welding head comprising: a collimator coupled to the output fiber of the fiber laser ; at least first and second movable mirrors configured to receive a collimated laser beam from the collimator ; and a focus lens configured to focus the laser beam relative to a workpiece while the beam is moved; a collimator coupled to the output fiber of the fiber laser ; at least first and second movable mirrors configured to receive a collimated laser beam from the collimator ; and a focus lens configured to focus the laser beam relative to a workpiece while the beam is moved; a control system for controlling at least the fiber laser and positions of the mirrors, the control system comprising a controller; characterized in that the control system includes control software to allow the at least first and second movable mirrors to move the beam in first and second axes within only a limited field of view defined by a scan angle of about 1-2°.
A thermoplastic composition comprising: a) 20 to 90 wt% of a polycarbonate-based resin, b) a laser direct structuring additive and c) at most 30 wt% of ceramic filler particles which do not have a laser direct structuring additive function, wherein b) comprises calcium copper titanate, the amount of calcium copper titanate with respect to the total composition is more than 15 wt%, the composition has a dielectric constant measured at 1 GHz of at least 4.0 and/or at 6 GHz of at least 4.0, the dielectric constant being measured as disclosed in the description a molded part of the composition has UL94 V2, V1 or V0 rating at a thickness of 1.5 mm (±10%). a) 20 to 90 wt% of a polycarbonate-based resin, b) a laser direct structuring additive and c) at most 30 wt% of ceramic filler particles which do not have a laser direct structuring additive function, the amount of calcium copper titanate with respect to the total composition is more than 15 wt%, the composition has a dielectric constant measured at 1 GHz of at least 4.0 and/or at 6 GHz of at least 4.0, the dielectric constant being measured as disclosed in the description a molded part of the composition has UL94 V2, V1 or V0 rating at a thickness of 1.5 mm (±10%).
Heat transfer element with at least one flexible element on which at least one distributor and at least one collector is arranged, wherein the flexible element comprises at least one longitudinal side , at least one width , at least two flow channels , at least two end faces and a closed connection element which connects the flow channels to each other, wherein one of the end faces is arranged opposite the other end face , wherein the at least one collector and the at least one distributor are arranged on one of the end faces and the connection element is arranged on the opposite end face , wherein the flexible element is wound up, wherein the at least one distributor is offset in the direction of the width of the flexible element of the heat transfer element with regard to the at least one collector , wherein the at least one distributor and the at least one collector are arranged at least partially axially in each other.
A multi-beam antenna, MBA, system for a spacecraft, the MBA system including: a reflector; and a feed array of radiating feed elements configured as a phased array and illuminating the reflector, operable at a frequency having a characteristic wavelength, the feed array including a plurality of interchangeable modules , wherein: each of the plurality of interchangeable modules includes a first distal mounting panel and a proximal mounting panel , and at least six feed array elements; each feed array element is electrically coupled with a respective amplifier and mechanically coupled with an exterior surface of the first distal mounting panel; the respective amplifiers are thermally coupled with the proximal mounting panel and are coupled with an interior surface of the first distal mounting panel and an exterior surface of the proximal mounting panel ; and an interior surface of the proximal mounting panel of each interchangeable module is mechanically and thermally coupled with a back plate . a reflector; and a feed array of radiating feed elements configured as a phased array and illuminating the reflector, operable at a frequency having a characteristic wavelength, the feed array including a plurality of interchangeable modules , wherein: each of the plurality of interchangeable modules includes a first distal mounting panel and a proximal mounting panel , and at least six feed array elements; each feed array element is electrically coupled with a respective amplifier and mechanically coupled with an exterior surface of the first distal mounting panel; the respective amplifiers are thermally coupled with the proximal mounting panel and are coupled with an interior surface of the first distal mounting panel and an exterior surface of the proximal mounting panel ; and an interior surface of the proximal mounting panel of each interchangeable module is mechanically and thermally coupled with a back plate . each of the plurality of interchangeable modules includes a first distal mounting panel and a proximal mounting panel , and at least six feed array elements; each feed array element is electrically coupled with a respective amplifier and mechanically coupled with an exterior surface of the first distal mounting panel; the respective amplifiers are thermally coupled with the proximal mounting panel and are coupled with an interior surface of the first distal mounting panel and an exterior surface of the proximal mounting panel ; and an interior surface of the proximal mounting panel of each interchangeable module is mechanically and thermally coupled with a back plate .