baber/WOPTO huggingface dataset:
Patent JP-2021146653-A (JP)
Title: Injection device sub-unit
Inventor: KAWAGUCHI TOMONORI
IPC: B29C45/13
Filed: 2020-03-20
Abstract: To provide an injection device sub-unit which has a reduced installation space, and is stable with a low center of gravity, and is capable of easily and accurately adjusting a height of an injection device.SOLUTION: An injection device sub-unit (1) is provided with a control board (4). That is, the injection device sub-unit (1) comprises a movable carriage (2) and an injection device (3) installed thereon, and the carriage (2) is provided with the control board (4) for controlling the injection device (3). The control board (4) is composed of a servo amplifier, a converter, a controller such as a PLC, and the like. The carriage (2) is composed of a base part (5) traveling on a floor surface and a stand part (6) which is installed on the base part and on which the injection device (3) is mounted. In this invention, the stand part (6) is moved up and down by a motor (20). That is, a height of the injection device (3) can be adjusted by the motor (20).SELECTED DRAWING: Figure 1
Patent JP-2021146309-A (JP)
Title: Method for separating calcium and silicon from blast furnace slag
Inventor: SAKANE HIDETO
IPC: C21B3/04
Filed: 2020-03-23
Abstract: To provide a method capable of selectively separating and collecting both calcium and silicon from a blast furnace slag.SOLUTION: A method for separating calcium and silicon from a blast furnace slag comprises making calcium separate out from the slag by dissolving the slag in an organic acid such as citric acid, and separating silicon from the slag by raising the temperature after calcium separation. The temperature when separating calcium by dissolving the slag using the organic acid is preferably in the range from normal temperature to 60°C. Besides, the temperature when separating silicon from the slag by raising the temperature after separating calcium is preferably higher than 60°C. As mentioned above, calcium and silicon can be selectively separated by separating the former at low temperatures and then separating the latter at high temperatures.SELECTED DRAWING: None
Patent JP-2021152510-A (JP)
Title: Gap corrosion test method for metallic material
Inventor: OKADA NAGAYUKI
IPC: G01N17/00
Filed: 2020-03-25
Abstract: To provide a gap corrosion test method for preventing corrosion in portions other than an evaluation target portion in a gap corrosion test of a metallic material.SOLUTION: The present invention relates to a gap corrosion test method for preventing gap corrosion in portions other than an evaluation target portion by inserting an unwoven fabric 7 constituted of an insulator having characteristics described in following (1)-(3) into a gap between the portions. (1) In the case where the unwoven fabric 7 is pressed down with a pressure equal to or lower than 140 MPa in a gap other than the evaluation target portion, an interval equal to or larger than 10 μm is secured between a metallic material test piece and a whole circumference of an outer peripheral part of a contact portion of a member forming the gap. (2) In the case where the unwoven fabric 7 is boiled in pure water for 24 hours, a Cl- elution amount is 1.0×10-8 g/cm2 or less. (3) The unwoven fabric 7 has the characteristic described in above (1) after the operation that "the unwoven fabric is inserted into the gap other than the evaluation target portion and pressed down with the pressure equal to or lower than 140 MPa and the pressure is released thereafter" is performed twice.SELECTED DRAWING: Figure 2
Patent JP-2021158017-A (JP)
Title: Fuel cell cogeneration system controller
Inventor: HIRASE KOTA
IPC: H01M8/04992
Filed: 2020-03-27
Abstract: To operate a fuel cell cogeneration system according to a weather condition.SOLUTION: A fuel cell cogeneration system controller includes a weather information acquisition unit that acquires weather information. Further, the controller includes: a power generation start time determination unit that determines a power generation start time of the fuel cell cogeneration system on the basis of the weather information acquired by the weather information acquisition unit; or a power generation stop time determination unit that determines a power generation stop time of the fuel cell cogeneration system on the basis of the weather information acquired by the weather information acquisition unit.SELECTED DRAWING: Figure 1
Patent JP-2021154012-A (JP)
Title: Game machine
Inventor: KUBOTA MICHIYA
IPC: A63F7/02
Filed: 2020-03-29
Abstract: To solve the problem that an interest in a game may decrease when a jackpot relatively disadvantageous to a player occurs as a result of a game performance while interest in a game is increased when a game performance having high jackpot reliability is executed in a game machine, where a plurality of jackpots are available as jackpots, namely jackpots relatively advantageous to a player and jackpots relatively disadvantageous to a player, a plurality of game performances having different execution modes are available as game performances (ready-to-win performances, character performances, and the like), and different jackpot reliability is shown depending on a game performance to be executed.SOLUTION: A game machine capable of executing a game performance for increasing interest in a game is provided in the game machine having various game performances.SELECTED DRAWING: Figure 62
Patent JP-2021154263-A (JP)
Title: Filter cleaning device and show case
Inventor: MACHIDA YUKIO
IPC: B01D46/42
Filed: 2020-03-30
Abstract: To provide a filter cleaning device capable of removing dust attached to a filter body and preventing the dust removed from the filter body once from being re-attached to the filter body.SOLUTION: A filter cleaning device 10 includes a fan 23 which sucks air, a filter body 11 which is provided on the upstream side of the fan 23 and catches dust, a cleaning body 12 which moves along the surface side of the filter body 11 and removes dust attached to the filter body 11, a dust collecting part 19 to which the dust removed by the cleaning body 12 is transferred and a flow straightening member 17 which is arranged in the vicinity of one side end part of the filter body 11 and is formed of a plurality of air passages.SELECTED DRAWING: Figure 3
Patent JP-2021162684-A (JP)
Title: Image forming apparatus
Inventor: HAMAYA MASASHI
IPC: G03G15/20
Filed: 2020-03-31
Abstract: To prevent an adverse effect due to an abnormality in spraying a fixer.SOLUTION: A control unit 10 controls a high voltage generating circuit 13 so that a current flowing in a nozzle electrode 80 of a spray unit 60 becomes a lower limit current value or more and a voltage applied to the nozzle electrode 80 becomes a lower limit voltage value or more. The control unit 10 determines whether a detection value based on detection signals received from a nozzle-side detection circuit 15 and a counter-side detection circuit 16 during the execution of output control is abnormal, and when determining that the detection value is abnormal, performs error processing.SELECTED DRAWING: Figure 3
Patent JP-2021161935-A (JP)
Title: Electric pump
Inventor: SAKAMOTO HITOSHI
IPC: F04C2/10
Filed: 2020-03-31
Abstract: To enable effective use of a space in an installation place of an electric pump.SOLUTION: An electric pump includes: a housing having a first housing part and a second housing part; a motor part stored in the first housing part, and having a shaft rotating around a central axis; a pump part connected to the shaft; a substrate stored in the second housing part, and mounting electric components; and a lead wire connected to the substrate. The second housing part has a side surface extending in the circumferential direction of the central axis, and a lead wire drawing part overhanging from the side surface. The substrate is stored in a space defined by the side surface. The lead wire drawing part leads out the lead wire to the outside of the second housing part, and at least part of the outer shape of the lead wire drawing part linearly continues to the side surface.SELECTED DRAWING: Figure 4
Patent JP-2021164272-A (JP)
Title: Rotary connector
Inventor: FUJIO KOHEI
IPC: H02J50/12
Filed: 2020-03-31
Abstract: To provide a rotary connector capable of preventing a failure from being caused by an excessive temperature rise.SOLUTION: A rotary connector 8 includes: a stator 22 including a control circuit 36 for controlling a power supply circuit 32 so as to output an overheat signal to a rotor 23 of the rotary connector 8 via a communicator 34 when a measured value of a temperature of the stator 22 by a thermometer 35 exceeds a first temperature threshold and so as to stop power supply to a transmission coil 33 for transmitting power to a reception coil 41 of the rotor 23 in a non-contact manner when the measured value of the temperature exceeds a second temperature threshold higher than the first temperature threshold; and the rotor 23 including a control circuit 47 for controlling a power reception circuit 43 so as to output a limitation signal for limiting current flowing through a load circuit when the overheat signal is received via a communicator 45 or a measured value of a temperature of the rotor 23 by a thermometer 46 exceeds a third temperature threshold and so as to stop output of power received from the stator 22 when the measured value of the temperature by the thermometer 46 exceeds a fourth temperature threshold higher than the third temperature threshold.SELECTED DRAWING: Figure 6
Patent JP-2021160232-A (JP)
Title: Liquid discharge device
Inventor: HAYASHI MASAYOSHI
IPC: B41J2/01
Filed: 2020-03-31
Abstract: To identify, when a leakage current is equal to or larger than a predetermined value, a nozzle where the leakage current flows.SOLUTION: In discharge determination processing, it is determined whether there is any abnormal nozzle, on the basis of a change in the potential of an electrode for detection, by driving an inkjet head so as to discharge ink toward the electrode for detection in a cap from nozzles in the capping state of covering the nozzles with the cap. If leakage occurs during the discharge determination processing (S102:YES), the discharge determination processing is stopped (S107), and the electric charge charged in the inkjet head is discharged by connecting a discharge circuit to the electrode for detection (S108). Then, a nozzle, which is set as a target nozzle subjected to discharge determination when leakage occurs, and is made in an uncapping state by lowering the cap, is identified as a leakage nozzle where leakage occurs (S110).SELECTED DRAWING: Figure 7
Patent JP-2021161064-A (JP)
Title: Discoloration-suppressing composition of ferulic acid
Inventor: CHIKUNO TAKUO
IPC: A61Q19/00
Filed: 2020-03-31
Abstract: To provide a discoloration-suppressing composition of ferulic acid.SOLUTION: There are provided [1] a composition containing arginine or salt thereof, [2] further, a composition containing ferulic acid or salt thereof, [3] a composition in which the content of ferulic acid or salt thereof is 0.01 to 3.0 mass% for the whole composition, [4] a composition in which the content of arginine or salt thereof is 0.005 to 6.0 mass% for the whole composition, and [5] a composition in which the content ratio of arginine for ferulic acid in the composition is 0.5 to 2.0 pts.mass of arginine for 1 pt.mass of ferulic acid.SELECTED DRAWING: None
Patent JP-2021164317-A (JP)
Title: Power supply system
Inventor: MURAKAMI SHINTARO
IPC: H02J3/38
Filed: 2020-03-31
Abstract: To provide a power supply system capable of supplying discharge power of a storage battery not only to a power load provided on the opposite side to a system power supply but also a power load provided on the system power supply side of the storage battery.SOLUTION: A power supply system comprises: a first distribution line 10 that connects a system power supply K with a house load HL; a second distribution line 40 that connects a middle part of the first distribution line 10 with a non-house load SL; a photovoltaic power generation part 91 that is provided between the middle part of the first distribution line 10 and the house load HL, is capable of generating power using natural energy, and is capable of outputting generated power to the first distribution line 10; a power sensor that is provided on the system power supply K side of a connection part 10a of the first distribution line 10 and is capable of detecting power; and a storage battery 92 that is provided between the connection part 10a of the first distribution line 10 and the house load HL, is capable of being charged with generated power of the photovoltaic power generation part 91 and discharging power, and is capable of supplying the house load HL and the non-house load SL with power discharged on the basis of a detection result of the power sensor.SELECTED DRAWING: Figure 6
Patent JP-2021162761-A (JP)
Title: Image forming apparatus
Inventor: KAKIGAHARA YUTAKA
IPC: G03G21/00
Filed: 2020-04-01
Abstract: To provide an image forming apparatus that can improve the performance to solve clogging of a nozzle.SOLUTION: An image forming apparatus 1 comprises: a photoconductor drum 4; a developing device 7; a transfer device 8; and a spray device 9. The spray device 9 sprays a fixer for fixing a toner to a sheet S to the sheet S to which the toner is transferred. A control unit 12 can execute first purge processing (S2) and second purge processing (S4) when the sheet S does not pass through the spray device 9. In the first purge processing (S2), the amount of fixer to be sprayed from the spray device 9 per unit time (the amount sprayed per unit time) is a first amount. In the second purge processing (S4), the amount sprayed per unit time is a second amount larger than the first amount.SELECTED DRAWING: Figure 3
Patent JP-2021162816-A (JP)
Title: Developing cartridge
Inventor: KIRIYAMA TSUBASA
IPC: G03G21/18
Filed: 2020-04-03
Abstract: To provide a structure that can stably supply a bias voltage to a shaft of a developing roller.SOLUTION: A developing cartridge 1 has a developing roller, a casing 10, a first collar 50, and an elastic member 70. The elastic member 70 has conductivity and can be expanded and contracted in an expansion and contraction direction. The elastic member 70 is attached to the first collar 50 in a state in which one end in the expansion and contraction direction is electrically connected with a developing roller shaft 32. A bias voltage can thus be supplied to the developing roller shaft 32 through the elastic member 70. An elastic force of the elastic member 70 can be used to stabilize the supply of bias voltage to the developing roller shaft 32.SELECTED DRAWING: Figure 5
Patent JP-2020121995-A (JP)
Title: Sterile chromatography and manufacturing processes
Inventor: RAHUL GODAWAT
IPC: C12P21/02
Filed: 2020-04-09
Abstract: To provide processes including closed system continuous chromatography for efficiently isolating therapeutically or commercially important recombinant proteins.SOLUTION: Methods of performing chromatography with gamma-irradiated chromatography resin include: providing a chromatography column including a gamma-irradiated chromatography resin; performing a first cycle of chromatography through the column, where the cycle includes exposing the chromatography resin to a denaturing buffer; and performing at least one additional cycle of chromatography through the column. The processes include closed system continuous chromatography where the resin is exposed to the denaturing buffer and a reduced bioburden buffer is used.SELECTED DRAWING: None
Patent JP-2020106549-A (JP)
Title: Pipe thickness measurement device
Inventor: TOYAMA NORIYUKI
IPC: G01B17/02
Filed: 2020-04-10
Abstract: To quickly measure a pe thickness even in a metal pipe including a bend.SOLUTION: A pipe thickness measuring device (1) includes: a traveling unit (10) for traveling along an extended direction (D1); a delivering unit for delivering ultrasonic waves toward an inner surface of a metal pipe; a receiving unit for receiving a reflected wave of the ultrasonic wave reflected by the inner surface; and a measuring unit (15) mounted on the traveling unit (10).SELECTED DRAWING: Figure 1
Patent JP-2021168262-A (JP)
Title: Fuel battery system
Inventor: NEGISHI FUMIYUKI
IPC: H01M8/04302
Filed: 2020-04-10
Abstract: To suppress partial deterioration progress of a cathode catalyst layer at the time of starting a fuel battery.SOLUTION: A fuel battery system comprises: a first to third manifolds penetrating a plurality of cells of a fuel battery stack. A fuel gas tank is connected on the upstream side of the first manifold through a valve. A fuel gas exhaust port is connected on the downstream side of the first manifold through a valve. The fuel gas exhaust port is connected on the downstream side of the second manifold through a valve. The fuel gas tank is connected on the upstream side of the third manifold through a valve. Each cell includes a separator 32 comprising: a first and second openings A1, A2 constituting parts of the first and second manifolds, respectively; a plurality of fuel gas passages C1 to C6 that connect the first and second openings and have different passage lengths; a third opening A3 constituting a part of the third manifold; and a connection passage C7 that connects midway parts of the respective fuel gas passages to the third opening in a descending order of passage length and has cross sectional area reduced as the fuel gas passages are connected in this order.SELECTED DRAWING: Figure 3
Patent JP-2021170885-A (JP)
Title: Power conversion device
Inventor: KAMIYA KAZUNOBU
IPC: H02M1/08
Filed: 2020-04-16
Abstract: To provide a power conversion device capable of performing suitable feedback.SOLUTION: A power conversion device 10 includes a switching element 11 and a driver circuit 12 that drives the switching element 11. The driver circuit 12 includes an adder circuit 60 to which both external command voltage Vp and feedback voltage Vfb are input to be added. Here, the power conversion device 10 includes a switching unit 100 for switching the feedback voltage Vfb input to the adder circuit 60 to a first voltage Vx or a second voltage Vy, and a control circuit 130 for controlling the switching unit 100. The first voltage Vx corresponds to change in a drain current Id as an applied current flowing through the switching element 11, and the second voltage Vy corresponds to change in a source-drain voltage Vds as an applied voltage to the switching element 11.SELECTED DRAWING: Figure 3
Patent JP-2021164622-A (JP)
Title: Protective clothing
Inventor: ARAI MASAAKI
IPC: A41D13/00
Filed: 2020-04-06
Abstract: To provide protective clothing capable of sterilizing or inactivating instantly and safely, even if various virus, Bacterium, minute dust or bad odor contained in the air taken from the outside of the protective clothing enter therein.SOLUTION: In protective clothing 1 having an air supply device 8 for supplying filtered air to the inside of the protective clothing through an air filter, inside the protective clothing 1 in which a hood 2, a front body 3 and a back body 4 are formed integrally so as to have airtightness, an electrolytic device 10 for discharging water vapor of hypochlorous acid into the protective clothing is arranged inside the protective clothing 1.SELECTED DRAWING: Figure 2
Patent JP-2021174245-A (JP)
Title: Display program, display method, and information processor
Inventor: FUKAO JUN
IPC: G05B19/418
Filed: 2020-04-24
Abstract: To make it possible to easily grasp a production plan on plural items to be produced concurrently or successively.SOLUTION: A production plan on plural items is received. Whether the received plural items are concurrently or successively produced is determined. When it is determined that the plural items are concurrently or successively produced, a marking component 112 representing a raw material common among the plural items is displayed to indicate a period covering the production plan on the plural items. Marking components 113 corresponding to the plural items are displayed in association with the period during which the marking component 112 representing the raw material is laid out.SELECTED DRAWING: Figure 12
Patent JP-2021172247-A (JP)
Title: Control device of four-wheel drive vehicle
Inventor: TAKAHASHI RYOTA
IPC: B60W30/02
Filed: 2020-04-27
Abstract: To improve a turning performance of a vehicle.SOLUTION: A control device of a vehicle 1 having two motors 3L, 3R driving one of front and rear wheels and a drive source 3F driving the other of front and rear wheels comprises: a first calculation unit 12 which calculates front and rear request torque Tf, Tr; a second calculation unit 15 which calculates right and left request torque TrL, TrR on the basis of a request torque difference ΔTd requested between the right and left wheels and one request torque Tr; a limit determination unit 16 which determines whether the request torque difference ΔTd can be achieved by executing limit determination including determination on whether the request torque TrL, TrR exceeds upper limit values TrLLim, TrRLim; and a third calculation unit 18 which recalculates the request torque TrL, TrR in the case of understeer when the request torque difference ΔTd cannot be achieved and calculates a torque difference insufficiency ΔTi that is insufficient for achieving the request torque difference ΔTd as a brake amount B. The motors 3L, 3R and a brake pressure are controlled on the basis of the calculated request torque TrL', TrR' and the brake amount B.SELECTED DRAWING: Figure 2
Patent JP-2021173091-A (JP)
Title: Slab replacement method
Inventor: MIMURO KEIJI
IPC: E01D22/00
Filed: 2020-04-28
Abstract: To efficiently replace slabs.SOLUTION: A lifting-moving machine 10 repeats the following processes (1) - (4) while sequentially moving on the rows of existing slabs 2 in the progressive direction of the replacement work. (1) The lifting-moving machine 10 has a hanging point at a position overhanging in the direction opposite to the traveling direction, and the existing slabs 2 are lifted and removed (a). (2) After the empty transport vehicle 20 enters below the lifting point of the lifting-moving machine 10, the lifting-moving machine 10 lifts and loads slabs 2 on the transport vehicle 20 and the transport vehicle 20 is evacuated with existing slabs loaded (b-c). (3) After the transport vehicle 20 for carrying in new slabs enters below the lifting point of the lifting-moving machine 10, the lifting-moving machine 10 lifts the new slabs 2 N from the transport vehicle 20 and evacuates the unloaded transport vehicle 20(d - f). (4) The lifting-moving machine 10 returns to the position where the existing slabs 2 have been removed, and the new floor slabs 2 N are lifted and placed at the position where the existing slabs 2 have been removed (g).SELECTED DRAWING: Figure 3