mhurhangee/patent-ind-claim-en huggingface dataset:
A semiconductor device adapted to control an inverter circuit that drives a three-phase motor , the semiconductor device comprising: a detector that is coupled to output nodes in various phases of the inverter circuit adapted to output a motor voltage, and detects back electromotive force generated in an output node that is in a non-conducting phase and among the output nodes of the various phases; and a controller that controls the inverter circuit ; wherein the controller is configured to detect the position of a rotor in the three-phase motor during a start-up operation of the three-phase motor ; control the inverter circuit so as to apply a drive current to two out of three phases of the three-phase motor in accordance with the detected position of the rotor; continue to apply the drive current during a period from an instant when the drive current is applied to an instant when a magnitude of the back electromotive force exceeds a first threshold value, and change the time of the period in accordance with a rotation speed of the rotor, and wherein the controller applies the drive current in at least one of said period, during the start-up operation of the three-phase motor . a detector that is coupled to output nodes in various phases of the inverter circuit adapted to output a motor voltage, and detects back electromotive force generated in an output node that is in a non-conducting phase and among the output nodes of the various phases; and a controller that controls the inverter circuit ; wherein the controller is configured to detect the position of a rotor in the three-phase motor during a start-up operation of the three-phase motor ; control the inverter circuit so as to apply a drive current to two out of three phases of the three-phase motor in accordance with the detected position of the rotor; continue to apply the drive current during a period from an instant when the drive current is applied to an instant when a magnitude of the back electromotive force exceeds a first threshold value, and change the time of the period in accordance with a rotation speed of the rotor, and detect the position of a rotor in the three-phase motor during a start-up operation of the three-phase motor ; control the inverter circuit so as to apply a drive current to two out of three phases of the three-phase motor in accordance with the detected position of the rotor; continue to apply the drive current during a period from an instant when the drive current is applied to an instant when a magnitude of the back electromotive force exceeds a first threshold value, and wherein the controller applies the drive current in at least one of said period, during the start-up operation of the three-phase motor .
A method of preparing a material based on silicon and/or germanium nanowires, comprising the steps of: i) contacting a silicon source and/or a germanium source with a catalyst, in the form of nanoparticles, comprising a binary metal sulphide, said metal being selected from Sn, In, Bi, Sb and Ga, whereby silicon and/or germanium nanowires are obtained, ii) optionally recovering the silicon and/or germanium nanowires obtained in step (i); the catalyst, and optionally the silicon source and/or the germanium source, being heated before, during and/or after contact under temperature and pressure conditions that allow the silicon and/or germanium nanowires to grow, the heating being carried out at a temperature of between 200°C and 500°C, for example under atmospheric pressure. i) contacting a silicon source and/or a germanium source with a catalyst, in the form of nanoparticles, comprising a binary metal sulphide, said metal being selected from Sn, In, Bi, Sb and Ga, whereby silicon and/or germanium nanowires are obtained, ii) optionally recovering the silicon and/or germanium nanowires obtained in step (i);
Angled plug connection with a connector , a mating connector and a guide housing which is formed having a first receptacle for said connector and a second receptacle for said mating connector , wherein said first receptacle extends along a first plug-in direction and said second receptacle extends along a second plug-in direction that extends at an angle or perpendicularly to the first plug-in direction , wherein said second receptacle opens into said first receptacle and wherein the connector is adapted to be plugged in said first receptacle along the first plug-in direction and the mating connector is adapted to be plugged in the second receptacle along the second plug-in direction , wherein said connector is connected to said mating connector by way of a link guide , characterized in that a motion of said connector along the first plug-in direction is coupled by way of said link guide to a motion of said mating connector in the direction of the second plug-in direction .
Bypass turbine engine comprising an engine spool and an annular nacelle surrounding the engine spool ; the nacelle having an air intake comprising an external skin , an internal skin , an air intake lip forming a leading edge of the nacelle and connecting the external and internal skins to one another, and an annular frame connecting the external and internal skins together; the internal skin comprising a first panel in contact with the air entering the nacelle , a second panel distant from the first panel , and a core interposed between the two panels (12a-b); the turbine engine comprising an air intake deicing system having an air bleed port for bleeding a hot air stream (T) from the spool of the engine , characterized in that the deicing system comprises a system for heating the internal skin which system is connected to the air bleed port to receive the hot air stream (T), a gas-liquid exchanger through which the hot air stream (T) passes, a hydraulic circuit containing a heat-transfer liquid and arranged in part in the exchanger and in the core , and a passive pumping device for pumping the heat-transfer liquid and configured to operate with a circulation of the hot air stream (T), the deicing system further comprising a heating system having a circular pipeline connected to the system for heating the internal skin to receive the hot air stream (T) after it has passed through said system , the circular pipeline comprising at least one extension passing through the annular frame and extending into the space delimited by the air intake lip , the internal skin , the external skin and the annular frame .
A method of operating a mass spectrometer system having an ion trap (Q3), the method comprising: a) processing a first group of precursor ions to obtain a first plurality of fragment ions trapped in the ion trap; b) inside a vacuum chamber of the mass spectrometer system, encoding a first selected characteristic in at least one of the first group of precursor ions and the first plurality of fragments, wherein the first selected characteristic is encoded in the at least one of the first group of precursor ions and the first plurality of fragments without being encoded in other ions such that the first plurality of fragment ions has the first selected characteristic and the other ions lack the first selected characteristic; c) ejecting the first plurality of fragment ions and the other ions out of the ion trap; d) detecting the first plurality of fragment ions and the other ions; e) acquiring a single mass spectrum; f) based on the first selected characteristic, correlating the first plurality of fragment ions detected with the first group of precursor ions to distinguish the first plurality of fragment ions from the other ions detected. a) processing a first group of precursor ions to obtain a first plurality of fragment ions trapped in the ion trap; b) inside a vacuum chamber of the mass spectrometer system, encoding a first selected characteristic in at least one of the first group of precursor ions and the first plurality of fragments, wherein the first selected characteristic is encoded in the at least one of the first group of precursor ions and the first plurality of fragments without being encoded in other ions such that the first plurality of fragment ions has the first selected characteristic and the other ions lack the first selected characteristic; c) ejecting the first plurality of fragment ions and the other ions out of the ion trap; d) detecting the first plurality of fragment ions and the other ions; e) acquiring a single mass spectrum; f) based on the first selected characteristic, correlating the first plurality of fragment ions detected with the first group of precursor ions to distinguish the first plurality of fragment ions from the other ions detected.
A method for controlling a surge margin of a gas turbine, comprising: determining (ST100) a number of revolutions and pressure ratios of compressors located at an initial stage among a plurality of compressor stages installed in a compressor unit of a gas turbine, wherein the compressors located at the initial stage comprise a first compressor stage , a neighboring compressor stage , and a next compressor stage ; and controlling (ST200) a surge margin, according to the number of revolutions and pressure ratios so determined, by extracting compressed air from each of the compressor stages to a turbine, when the surge margin at the initial compressor stage does not satisfy a reference margin, wherein the controlling (ST200) of the surge margin comprises: - a first extraction step (ST210) of extracting the compressed air from the first compressor stage in which compression is initially performed; - a second extraction step (ST220) of additionally extracting the compressed air from the neighboring compressor stage located at the next stage of the first compressor stage , when the surge margin is not stabilized after the first extraction step (ST210); and - a third extraction step (ST230) of additionally extracting the compressed air from the next compressor stage , when the surge margin is not stabilized after the first and second extraction steps (ST210, ST220). determining (ST100) a number of revolutions and pressure ratios of compressors located at an initial stage among a plurality of compressor stages installed in a compressor unit of a gas turbine, wherein the compressors located at the initial stage comprise a first compressor stage , a neighboring compressor stage , and a next compressor stage ; and controlling (ST200) a surge margin, according to the number of revolutions and pressure ratios so determined, by extracting compressed air from each of the compressor stages to a turbine, when the surge margin at the initial compressor stage does not satisfy a reference margin, - a first extraction step (ST210) of extracting the compressed air from the first compressor stage in which compression is initially performed; - a second extraction step (ST220) of additionally extracting the compressed air from the neighboring compressor stage located at the next stage of the first compressor stage , when the surge margin is not stabilized after the first extraction step (ST210); and - a third extraction step (ST230) of additionally extracting the compressed air from the next compressor stage , when the surge margin is not stabilized after the first and second extraction steps (ST210, ST220).
An implant for implantation in a spinal facet joint, the implant comprising: a distal leading end having a distal surface generally opposite a proximal end surface of a proximal trailing end ; a first face having a first surface that is generally parallel with a second surface of a second face , the first and second faces extending between the distal leading end and the proximal trailing end such that a height of the proximal trailing end is greater than or equal to a height of the distal leading end , the first and second surfaces having one or more textured features adapted to provide friction with the spinal facet joint; a first side having a first side surface generally opposite a second side having a second side surface; one or more windows defined in the first surface generally opposing one or more windows defined in the second surface ; and one or more side windows defined in the first side surface generally opposing one or more side windows defined in the second side surface, the windows and side windows providing access to a hollow interior of the implant. a distal leading end having a distal surface generally opposite a proximal end surface of a proximal trailing end ; a first face having a first surface that is generally parallel with a second surface of a second face , the first and second faces extending between the distal leading end and the proximal trailing end such that a height of the proximal trailing end is greater than or equal to a height of the distal leading end , the first and second surfaces having one or more textured features adapted to provide friction with the spinal facet joint; a first side having a first side surface generally opposite a second side having a second side surface; one or more windows defined in the first surface generally opposing one or more windows defined in the second surface ; and one or more side windows defined in the first side surface generally opposing one or more side windows defined in the second side surface, the windows and side windows providing access to a hollow interior of the implant.
Heat pump system with a refrigerant circuit for heat generation and with a gas cooler , an air/air heat exchanger , a DHW cylinder , a buffer cylinder , a charging circuit with a primary flow line and a return line and a three-way valve , where a heat transfer medium can flow in the charging circuit , where DHW heating or the heating/cooling of rooms can take place via the three-way valve , where the gas cooler in the refrigerant circuit is linked to the primary flow line , where in a flow direction (x) of outdoor air into the heat pump system there is first a preheater suitable for preheating outdoor air (AU) to a minimum temperature (t M ) in line with demand, in the flow direction downstream of the preheater , there is an air/air heat exchanger suitable for heating the outdoor air by means of extract air with the substances being kept separate, in the flow direction (x) downstream of the air/air heat exchanger there is an air heater as a heat transfer medium/air heater suitable for temperate heating of the outdoor air to a supply air temperature (t GA ), where firstly the air heater , which is also connected to a supply air duct and a supply air connection , is connected to the buffer cylinder via a fluid line in a flow direction (z) of the heat transfer medium, and where the preheater is connected to the buffer cylinder further downstream in the flow direction (z) of the heat transfer medium. a refrigerant circuit for heat generation and with a gas cooler , an air/air heat exchanger , a DHW cylinder , a buffer cylinder , a charging circuit with a primary flow line and a return line and a three-way valve , where a heat transfer medium can flow in the charging circuit , where DHW heating or the heating/cooling of rooms can take place via the three-way valve , where the gas cooler in the refrigerant circuit is linked to the primary flow line , where in a flow direction (x) of outdoor air into the heat pump system there is first a preheater suitable for preheating outdoor air (AU) to a minimum temperature (t M ) in line with demand, in the flow direction downstream of the preheater , there is an air/air heat exchanger suitable for heating the outdoor air by means of extract air with the substances being kept separate, in the flow direction (x) downstream of the air/air heat exchanger there is an air heater as a heat transfer medium/air heater suitable for temperate heating of the outdoor air to a supply air temperature (t GA ), where firstly the air heater , which is also connected to a supply air duct and a supply air connection , is connected to the buffer cylinder via a fluid line in a flow direction (z) of the heat transfer medium, and where the preheater is connected to the buffer cylinder further downstream in the flow direction (z) of the heat transfer medium.
Electromechanical brake booster for a motor vehicle, with: an electric motor which is operatively connected via a gear mechanism to a spindle in such a way that a rotation of a rotor of the electric motor brings about a translational movement of the spindle , at least one carrying element which extends along its respective longitudinal axis (L) being fastened to a gear mechanism housing bottom of the gear mechanism , a bearing apparatus being arranged on the spindle , which bearing apparatus mounts the spindle on the at least one carrying element in such a way that the spindle which is set in the translational movement can be guided along the at least one carrying element spaced apart from the first carrying element by means of the bearing apparatus , characterized in that an end side of a spindle nut of the spindle is a common stop of the bearing apparatus and of finger elements which connect an input rod , a plunger which can be actuated by way of the input rod and is arranged in the hollow spindle , and a fastening plate which is arranged on the plunger to one another, and the finger elements reach through holes , configured in the bearing apparatus , and are secured against rotation together with the fastening plate . an electric motor which is operatively connected via a gear mechanism to a spindle in such a way that a rotation of a rotor of the electric motor brings about a translational movement of the spindle , at least one carrying element which extends along its respective longitudinal axis (L) being fastened to a gear mechanism housing bottom of the gear mechanism , a bearing apparatus being arranged on the spindle , which bearing apparatus mounts the spindle on the at least one carrying element in such a way that the spindle which is set in the translational movement can be guided along the at least one carrying element spaced apart from the first carrying element by means of the bearing apparatus , characterized in that an end side of a spindle nut of the spindle is a common stop of the bearing apparatus and of finger elements which connect an input rod , a plunger which can be actuated by way of the input rod and is arranged in the hollow spindle , and a fastening plate which is arranged on the plunger to one another, and the finger elements reach through holes , configured in the bearing apparatus , and are secured against rotation together with the fastening plate .
A valve, comprising: a housing ; an inlet and an inlet flange ; an outlet and an outlet flange ; a poppet head configured to move with respect to a valve outlet of the valve to control fluid flow from the inlet flange to the outlet flange via movement of the poppet head; a first spring configured to be compressed with a force generated by fluid flow through the valve, wherein compression of the first spring allows the poppet head to move towards the valve outlet; and a second spring , configured to allow the poppet head to move toward the valve outlet when compressed; wherein the second spring is configured to be compressed by a a pressure created by a fluid flow from the inlet flange to the outlet flange urging the poppet head towards the outlet flange ; the valve further comprising a piston connected to the poppet head at a first end of the piston; an inner housing ; and a flange at a second end of the piston opposite the first end, and wherein the first and second springs are arranged concentrically around the piston , and wherein the first and second springs and the piston are arranged in the inner housing , characterised in that it further comprises a stopper arranged between the first and second springs in the inner housing , and wherein the stopper includes a body portion configured to engage a lip in the inner housing and a leg configured to engage the flange . a housing ; an inlet and an inlet flange ; an outlet and an outlet flange ; a poppet head configured to move with respect to a valve outlet of the valve to control fluid flow from the inlet flange to the outlet flange via movement of the poppet head; a first spring configured to be compressed with a force generated by fluid flow through the valve, wherein compression of the first spring allows the poppet head to move towards the valve outlet; and a second spring , configured to allow the poppet head to move toward the valve outlet when compressed; wherein the second spring is configured to be compressed by a a pressure created by a fluid flow from the inlet flange to the outlet flange urging the poppet head towards the outlet flange ; the valve further comprising a piston connected to the poppet head at a first end of the piston; an inner housing ; and a flange at a second end of the piston opposite the first end, and wherein the first and second springs are arranged concentrically around the piston , and wherein the first and second springs and the piston are arranged in the inner housing , characterised in that it further comprises a stopper arranged between the first and second springs in the inner housing , and wherein the stopper includes a body portion configured to engage a lip in the inner housing and a leg configured to engage the flange .
A multilayer type antenna array comprising a radiating structure formed by an array of radiating elements forming self-complementary patterns, each radiating element comprising four electrical power supply points , said radiating surface being separated from a ground plane by a dielectric layer , characterised in that said antenna comprises an array of metallic vias passing through said dielectric layer between the radiating surface and the ground plane , each via being positioned opposite a given point , called specific point, of a radiating element, each specific point being located between two consecutive electrical power supply points, with two consecutive power supply points following each other in the path around a radiating element.
A centralizer for use in a wellbore , comprising: a body for disposing around a periphery of a downhole tubular , the body having a plurality of bow springs biased toward an expanded position (Px) and a pair of end rings (11a,b) connecting the bow springs , characterised in that the centralizer further comprises: an indentation or row of indentation segments formed in a surface of and along a length of each bow spring and operable to reduce a stiffness of the centralizer as the bow springs move from the expanded position (Px) to a restricted position (Pr). a body for disposing around a periphery of a downhole tubular , the body having a plurality of bow springs biased toward an expanded position (Px) and a pair of end rings (11a,b) connecting the bow springs , characterised in that the centralizer further comprises: an indentation or row of indentation segments formed in a surface of and along a length of each bow spring and operable to reduce a stiffness of the centralizer as the bow springs move from the expanded position (Px) to a restricted position (Pr).