mhurhangee/patent-ind-claim-en huggingface dataset:
A two-stage variable relief valve for an oil pump, comprising: a valve housing formed with bypass inlet passages and bypass outlet passages , a plunger operated in the valve housing and a spring for elastically supporting the plunger , wherein the bypass inlet passages and/or the bypass outlet passages are opened or closed according to the displacement of the plunger , characterized in that the bypass inlet passage comprises a primary bypass inlet passage and a secondary bypass inlet passage and the bypass outlet passage comprises a primary bypass outlet passage and a secondary bypass outlet passage, the primary bypass inlet passage and the primary bypass outlet passage are opened and closed at the same time, and the secondary bypass inlet passage and the secondary bypass outlet passage are opened and closed at the same time, the primary bypass inlet passage and the primary bypass outlet passage are opened when the displacement of the plunger is relatively small compared to the secondary bypass inlet passage and the secondary bypass outlet passage, and the area of the primary bypass inlet passage is smaller than the area of the primary bypass outlet passage . a valve housing formed with bypass inlet passages and bypass outlet passages , a plunger operated in the valve housing and a spring for elastically supporting the plunger , wherein the bypass inlet passages and/or the bypass outlet passages are opened or closed according to the displacement of the plunger , characterized in that the bypass inlet passage comprises a primary bypass inlet passage and a secondary bypass inlet passage and the bypass outlet passage comprises a primary bypass outlet passage and a secondary bypass outlet passage, the primary bypass inlet passage and the primary bypass outlet passage are opened and closed at the same time, and the secondary bypass inlet passage and the secondary bypass outlet passage are opened and closed at the same time, the primary bypass inlet passage and the primary bypass outlet passage are opened when the displacement of the plunger is relatively small compared to the secondary bypass inlet passage and the secondary bypass outlet passage, and the area of the primary bypass inlet passage is smaller than the area of the primary bypass outlet passage .
A decoking assembly comprising: a coke cutting tool ; a support structure with a rigid member mounted thereto; and a motorized system comprising: a plurality of pulleys mounted to the rigid member each configured to rotate about an axis; a vertically movable crosshead secured to the coke cutting tool ; a plurality of non-metallic belts , each secured at one end to the vertically movable crosshead and at another end to a counterweight ; and a motor mounted to the rigid member and cooperative with the plurality of pulleys , vertically movable crosshead and plurality of belts , wherein the motor is configured to impart rotational movement to the pulleys to permit a range of vertical movement of the cutting tool and vertically movable crosshead relative to the rigid member . a coke cutting tool ; a support structure with a rigid member mounted thereto; and a motorized system comprising: a plurality of pulleys mounted to the rigid member each configured to rotate about an axis; a vertically movable crosshead secured to the coke cutting tool ; a plurality of non-metallic belts , each secured at one end to the vertically movable crosshead and at another end to a counterweight ; and a motor mounted to the rigid member and cooperative with the plurality of pulleys , vertically movable crosshead and plurality of belts , wherein the motor is configured to impart rotational movement to the pulleys to permit a range of vertical movement of the cutting tool and vertically movable crosshead relative to the rigid member . a plurality of pulleys mounted to the rigid member each configured to rotate about an axis; a vertically movable crosshead secured to the coke cutting tool ; a plurality of non-metallic belts , each secured at one end to the vertically movable crosshead and at another end to a counterweight ; and a motor mounted to the rigid member and cooperative with the plurality of pulleys , vertically movable crosshead and plurality of belts , wherein the motor is configured to impart rotational movement to the pulleys to permit a range of vertical movement of the cutting tool and vertically movable crosshead relative to the rigid member .
A variable magnetization machine control system comprising: a permanent magnet motor provided with a stator and a rotor having at least one permanent magnet; an inverter for supplying an alternating current to the permanent magnet motor; and a controller for controlling the inverter, the controller being configured to start a change in a magnetic state of a variable magnetization machine, generate a reversely rotating d-axis/q-axis current vector trajectory while the change in the magnetization state of the variable magnetization machine is occurring to drive the variable magnetization machine at a predetermined speed while maintaining the driving voltage below a predetermined maximum magnitude, end the change in the magnetic state, and discontinue generating the reversely rotating d-axis/q-axis current vector trajectory upon determining the ending of the change in the magnetic state, the controller being configured to generate a d-axis current voltage signal and a q-axis current voltage signal from the reverse rotation d-axis/q-axis current vector trajectory, and configured to control an inverter by means of the d-axis current voltage signal and the q-axis current voltage signal to change the magnetic flux of the permanent magnet, characterized in that the reverse rotation d-axis/q-axis current vector trajectory includes an elliptical trajectory in which the q-axis current decreases after increasing as the d-axis current increases and the q-axis current increases after decreasing as the d-axis current decreases, and said elliptical trajectory has its center inside the voltage limit ellipse corresponding to said driving voltage maximum magnitude. a permanent magnet motor provided with a stator and a rotor having at least one permanent magnet; an inverter for supplying an alternating current to the permanent magnet motor; and a controller for controlling the inverter, the controller being configured to start a change in a magnetic state of a variable magnetization machine, generate a reversely rotating d-axis/q-axis current vector trajectory while the change in the magnetization state of the variable magnetization machine is occurring to drive the variable magnetization machine at a predetermined speed while maintaining the driving voltage below a predetermined maximum magnitude, end the change in the magnetic state, and discontinue generating the reversely rotating d-axis/q-axis current vector trajectory upon determining the ending of the change in the magnetic state, the controller being configured to generate a d-axis current voltage signal and a q-axis current voltage signal from the reverse rotation d-axis/q-axis current vector trajectory, and configured to control an inverter by means of the d-axis current voltage signal and the q-axis current voltage signal to change the magnetic flux of the permanent magnet, characterized in that the reverse rotation d-axis/q-axis current vector trajectory includes an elliptical trajectory in which the q-axis current decreases after increasing as the d-axis current increases and the q-axis current increases after decreasing as the d-axis current decreases, and
An electric resistance welded steel pipe manufacturing device that is configured to perform welding while forming a strip-shaped steel sheet (W) in a tubular shape and supplying a plasma flow (PF) to a pair of abutment end surfaces (w1, w2) to perform shielding, the electric resistance welded steel pipe manufacturing device characterized by comprising: a mandrel configured to be disposed within the steel sheet (W) so as to be coaxial with a central axis when the steel sheet (W) is formed in a tubular shape; and a plasma flow feeder that is provided in the mandrel to supply the plasma flow (PF). a mandrel configured to be disposed within the steel sheet (W) so as to be coaxial with a central axis when the steel sheet (W) is formed in a tubular shape; and a plasma flow feeder that is provided in the mandrel to supply the plasma flow (PF).
A street manhole cover comprising a lid , a peripheral frame fixed to the ground and arranged so as to peripherally surround said lid and a key/lock assembly ; said key/lock assembly comprising a latch mounted on a lower surface of said lid and designed to assume an advanced closing position, in which it cooperates in abutment with an abutment portion of said frame , and a retracted opening position, in which it is released from said abutment portion; the key/lock assembly further comprising a key designed to move said latch ; and return means , which are designed to automatically force said latch to its closing position; in said latch there being obtained a moving recess , which is designed to be engaged by the key in order to overcome the action of said return means and move said latch to its opening position; said key comprises an oblong end portion , which is designed to engage said moving recess , where it is movable between an inactive position, in which it does not counter the action of said return means , thus leaving the latch in its advanced closing position, and an active position, in which it overcomes the action of said return means , thus moving said latch to its retracted opening position; said oblong end portion being movable between said inactive and active positions by means of a rotation around a rotation axis (X), which is perpendicular to said oblong end portion ; said street manhole cover being characterized in that said key/lock assembly comprises a locking wall , which extends from said lower surface of said lid in the area of said moving recess and is designed to be crossed by said oblong end portion when it is arranged in its inactive position; in said locking wall there being obtained a locking groove , which is designed to be engaged by said oblong end portion when it is in its active position.
An engine device comprising: an exhaust gas purifying device arranged in an exhaust route of an engine ; and an ECU for controlling a drive of the engine , wherein the engine device is provided with a rewritable variable memory means which stores a general-purpose regeneration program (GPM) selectively executing any of a plurality of regeneration modes with respect to the exhaust gas purifying device , and a flag table (FT) corresponding to an optional regeneration mode, and the ECU executes the general-purpose regeneration program (GPM) in accordance with the regeneration mode which is selected on the basis of the flag table (FT); characterized in that the engine device is provided with a fixed memory means which fixedly stores the flag table (FT) corresponding to a working machine to which the engine device is mounted, and the flag table (FT) stored in the fixed memory means is configured to be written in the variable memory means at a first accessing time of the fixed memory means and the variable memory means , that is a time when the working machine is first turned on and the fixed memory and the variable memory are electrically connected. an exhaust gas purifying device arranged in an exhaust route of an engine ; and an ECU for controlling a drive of the engine , wherein the engine device is provided with a rewritable variable memory means which stores a general-purpose regeneration program (GPM) selectively executing any of a plurality of regeneration modes with respect to the exhaust gas purifying device , and a flag table (FT) corresponding to an optional regeneration mode, and the ECU executes the general-purpose regeneration program (GPM) in accordance with the regeneration mode which is selected on the basis of the flag table (FT); characterized in that the engine device is provided with a fixed memory means which fixedly stores the flag table (FT) corresponding to a working machine to which the engine device is mounted, and the flag table (FT) stored in the fixed memory means is configured to be written in the variable memory means at a first accessing time of the fixed memory means and the variable memory means , that is a time when the working machine is first turned on and the fixed memory and the variable memory are electrically connected.
A surge protection device comprising: a pair of terminal fittings ; a circuit board on which a surge protection element is mounted, the surge protection element including two electrodes connected to the pair of terminal fittings and a ground electrode configured to cause a surge current to flow to a ground when a surge voltage is applied between the two electrodes; an earth wiring cable connected to the ground electrode; and a main body that houses the circuit board , the main body being configured such that the pair of terminal fittings and the earth wiring cable protrude from an inside of the main body to an outside, characterized in that the pair of terminal fittings is configured to be connected to a pair of power supply terminals of a field device together with a power supply cable ; the pair of terminal fittings is arranged along an extending direction of the earth wiring cable , and the pair of terminal fittings is bent from roots thereof so that a direction in which distal ends of the pair of terminal fittings extend becomes oblique to the extending direction. a pair of terminal fittings ; a circuit board on which a surge protection element is mounted, the surge protection element including two electrodes connected to the pair of terminal fittings and a ground electrode configured to cause a surge current to flow to a ground when a surge voltage is applied between the two electrodes; an earth wiring cable connected to the ground electrode; and a main body that houses the circuit board , the main body being configured such that the pair of terminal fittings and the earth wiring cable protrude from an inside of the main body to an outside, characterized in that the pair of terminal fittings is configured to be connected to a pair of power supply terminals of a field device together with a power supply cable ; the pair of terminal fittings is arranged along an extending direction of the earth wiring cable , and the pair of terminal fittings is bent from roots thereof so that a direction in which distal ends of the pair of terminal fittings extend becomes oblique to the extending direction.
An apparatus for performing work on a substrate comprising: a conveyor configured to load a circuit board to a work position; a camera configured to image a region including a recognition target of the circuit board loaded to the work position; a moving device configured to move the camera relatively to the circuit board loaded to the work position; characterized by: an image processing device configured to define a range inside a field of view of the camera and acquire a low resolution image captured by the camera after the circuit board and camera have been relatively moved by the moving device such that the recognition target of the circuit board is within the range inside the field of view of the camera , create a super resolution image using super resolution processing, and recognize the recognition target, wherein the image processing device is further configured to perform candidate region search processing of processing the captured low resolution image to search within the the defined range for at least one region including a portion that might be the recognition target as a candidate region, wherein the recognition target is a reference mark of the circuit board and the candidate region is a region having a shape similar to the reference mark, perform the super resolution processing on the candidate region searched in the candidate region search processing, and create a super resolution image of the candidate region so as to recognize the recognition target. a conveyor configured to load a circuit board to a work position; a camera configured to image a region including a recognition target of the circuit board loaded to the work position; a moving device configured to move the camera relatively to the circuit board loaded to the work position; an image processing device configured to define a range inside a field of view of the camera and acquire a low resolution image captured by the camera after the circuit board and camera have been relatively moved by the moving device such that the recognition target of the circuit board is within the range inside the field of view of the camera , create a super resolution image using super resolution processing, and recognize the recognition target, wherein the image processing device is further configured to perform candidate region search processing of processing the captured low resolution image to search within the the defined range for at least one region including a portion that might be the recognition target as a candidate region, wherein the recognition target is a reference mark of the circuit board and the candidate region is a region having a shape similar to the reference mark, perform the super resolution processing on the candidate region searched in the candidate region search processing, and create a super resolution image of the candidate region so as to recognize the recognition target.
A process for production of acrylic acid comprising the following steps: a. preparation of a product gas mixture by a catalytic gas-phase oxidation of at least one C 3 precursor compound to acrylic acid, wherein acrylic acid is formed as a main product of the catalytic gas-phase oxidation and glyoxal is formed as a by-product and the product gas mixture comprises acrylic acid and glyoxal, b. cooling of the product gas mixture, c. contacting the product gas mixture in countercourrent with an absorbent, wherein an absorbate A, comprising the absorbent and absorbed acrylic acid, is formed, d. introducing a feed stream F comprising at least part of the absorbate A into a rectification column comprising a rectifying section and a stripping section , e. enriching the absorbent in the stripping section and enriching acrylic acid in the rectifying section , f. withdrawing a stream C of crude acrylic acid comprising at least 90% by weight of acrylic acid out of the rectifying section as a side stream, wherein step c) is carried out in an absorption column comprising at least two cooling loops, a first cooling loop , wherein a high boiler fraction of the product gas mixture is condensed and a second cooling loop , wherein a low boiler fraction of the product gas mixture is condensed, wherein a portion of the absorbate A, which comprises the feed stream F , is removed from the absorption column at a side take-off , the side take-off being located at the first cooling loop or at a height of the absorption column between the first cooling loop and the second cooling loop and wherein a temperature Tc of the absorbate A in the second cooling loop is at least 56°C. a. preparation of a product gas mixture by a catalytic gas-phase oxidation of at least one C 3 precursor compound to acrylic acid, wherein acrylic acid is formed as a main product of the catalytic gas-phase oxidation and glyoxal is formed as a by-product and the product gas mixture comprises acrylic acid and glyoxal, b. cooling of the product gas mixture, c. contacting the product gas mixture in countercourrent with an absorbent, wherein an absorbate A, comprising the absorbent and absorbed acrylic acid, is formed, d. introducing a feed stream F comprising at least part of the absorbate A into a rectification column comprising a rectifying section and a stripping section , e. enriching the absorbent in the stripping section and enriching acrylic acid in the rectifying section , f. withdrawing a stream C of crude acrylic acid comprising at least 90% by weight of acrylic acid out of the rectifying section as a side stream,
A propylene homopolymer composition, comprising (a) not less than 90 wt.%, based on the weight of the total propylene homopolymer composition, of a propylene homopolymer having (i) a pentad isotacticity (mmmm) of equal or more than 98.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, (ii) a relative amount of <2,1> erythro regio-defects of not more than 2.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, and (b) a nucleating agent (B) selective for the beta-modification of isotactic polypropylene in an amount of from 0.001 to 1.0 wt.%, based on the weight of the total propylene homopolymer composition, wherein said propylene homopolymer composition has a melt flow rate MFR 2 (230 °C, 2.16 kg) according to ISO 1133 of 0.1 to 10 g/10 min., a beta-phase content of not less than 80 %, measured by wide angle x-ray scattering (WAXS) as described herein. (a) not less than 90 wt.%, based on the weight of the total propylene homopolymer composition, of a propylene homopolymer having (i) a pentad isotacticity (mmmm) of equal or more than 98.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, (ii) a relative amount of <2,1> erythro regio-defects of not more than 2.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, and (i) a pentad isotacticity (mmmm) of equal or more than 98.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, (ii) a relative amount of <2,1> erythro regio-defects of not more than 2.0 mol.-%, determined by quantitative 13 C NMR spectroscopy, as described herein, and (b) a nucleating agent (B) selective for the beta-modification of isotactic polypropylene in an amount of from 0.001 to 1.0 wt.%, based on the weight of the total propylene homopolymer composition,
Method for eliminating rotational stall in a compressor of a turbine engine, comprising the following steps: - A step for automatic detection of a rotational stall; - A step for automatic identification of the type of rotational stall detected; - A step for automatic shut-down of the turbine engine; - In answer to the identification of the rotational stall as being of rotational stall type due to a surge, a step for automatic restoration of a surge margin of the compressor; - A step for automatic re-ignition of the turbine engine. - A step for automatic detection of a rotational stall; - A step for automatic identification of the type of rotational stall detected; - A step for automatic shut-down of the turbine engine; - In answer to the identification of the rotational stall as being of rotational stall type due to a surge, a step for automatic restoration of a surge margin of the compressor; - A step for automatic re-ignition of the turbine engine.
Method for controlling a self-driving vehicle when entering an intersection (K) of equal-ranking roads, wherein, when other vehicles (2 to 4) of equal priority are identified at the intersection (K), the vehicle gives way to the other vehicles (2 to 4) at least for a predefinable waiting time (W), characterized in that the vehicle - determines, according to a predefined arbitration rule, whether it should have priority over the other vehicles (2 to 4) to pass through the intersection (K), and - after the waiting time (W) has elapsed, starts an intersection drive-through maneuver to drive through the intersection (K) if it has been determined that it should have priority to pass through the intersection (K) and if none of the other vehicles (2 to 4) have moved off in the meantime. - determines, according to a predefined arbitration rule, whether it should have priority over the other vehicles (2 to 4) to pass through the intersection (K), and - after the waiting time (W) has elapsed, starts an intersection drive-through maneuver to drive through the intersection (K) if it has been determined that it should have priority to pass through the intersection (K) and if none of the other vehicles (2 to 4) have moved off in the meantime.