baber/WOPTO huggingface dataset:
Patent JP-2021143798-A (JP)
Title: Magnetic heat pump system and its control method
Inventor: WAKI KOICHIRO
IPC: F25B21/00
Filed: 2020-03-12
Abstract: To provide a magnetic heat pump system in which a duct has a cylindrical shape, and electric power can be reduced even when a magnetic field generating unit is rotationally driven intermittently.SOLUTION: A magnetic heat pump system 20 has N units (N is an integer of 3 or more) of magnetic heat pumps 1, and a control device 21. Each magnetic heat pump 1 includes magnetic field generating units 9 and 10, a drive unit 4 for performing rotational drive or regenerative braking of the magnetic field generating units 9 and 10, and a duct DU between the magnetic field generating unit 9 and the magnetic field generating unit 10. The control device 21 executes interruptive rotational drive processing of each magnetic heat pump 1 so that the magnetic field generating units 9 and 10 of the i+1-th magnetic heat pump 1 may be rotationally driven using the regenerative electric power generated when the regenerative braking of the magnetic field generating units 9 and 10 of the i-th (i is an integer of 1 or more and N-1 or less) magnetic heat pump 1 is made.SELECTED DRAWING: Figure 9
Patent JP-2021150964-A (JP)
Title: Power reception device for optical power feeding system and optical power feeding system
Inventor: SUGIME TOMOTAKE
IPC: H02J50/80
Filed: 2020-03-16
Abstract: To keep power feeding efficiency high by performing photoelectric conversion on power feeding light without allowing the power feeding light to leak from a conversion wavelength region of a photoelectric conversion element.SOLUTION: An optical fiber power feeding system 1C includes a power reception device 310A including a plurality of photoelectric conversion elements 311a, 311b, 311c for converting power feeding light 112W to power. The power reception device further includes a spectrometer 312 that receives input of the power feeding light and distributes and outputs power feeding light 112a, 112b, 112c, in a plurality of wavelength bands, obtained by wavelength division of the input power feeding light to a plurality of photoelectric conversion elements. Each of the plurality of photoelectric conversion elements has a conversion wavelength region corresponding to input power feeding light and converts the input power feeding light to power.SELECTED DRAWING: Figure 5
Patent JP-2021146879-A (JP)
Title: Shift-operation determination device and shifter
Inventor: HARADA KENICHI
IPC: B60K20/02
Filed: 2020-03-19
Abstract: To restrict switching of shift ranges in a vehicle and to enable a driver to easily recognize that the switching of shift ranges has been restricted.SOLUTION: A shift-operation determination device comprises: an operation member that is rotatably attached to a vehicle; a position detection unit that detects a position of the operation member in a rotation direction; a shift determination unit that determines a shift range selected by the operation member on the basis of the position of the operation member; and a restriction unit that restricts rotation of the operation member. The restriction unit restricts the rotation of the operation member in the case where the operation member moves from a first position corresponding to a first range or a third position corresponding to a third range to a second position corresponding to a second range, and thereafter, moves toward the third position within a predetermined time after being positioned in the second position.SELECTED DRAWING: Figure 6
Patent JP-2021150512-A (JP)
Title: Coil component and electronic device
Inventor: IKENAGA MICHIKAZU
IPC: H01F17/04
Filed: 2020-03-19
Abstract: To provide a coil component which inhibits reduction of the Q factor while suppressing leakage of an electric field to a low level.SOLUTION: A coil component includes: a coil conductor; a magnetic base part provided with the coil conductor; a conductive resin part provided on a surface of the magnetic base part and including metal particles and a resin; a first external electrode electrically connected to the coil conductor; and a second external electrode electrically connected to the conductive resin part.SELECTED DRAWING: Figure 1
Patent JP-2021146721-A (JP)
Title: Printer, printing control method and program
Inventor: SUKENORI ATSUSHI
IPC: B41J2/01
Filed: 2020-03-24
Abstract: To provide a printer, a printing control method, and a program that enable printing at an appropriate speed without stopping printing as much as possible.SOLUTION: A printer 1 comprises a print head 41 for ejecting ink while moving above a surface of a nail which is a printing object, and a control unit 31 for acquiring a moving speed of the print head 41 and controlling an ink ejection operation and a moving operation of the print head 41. When the moving speed of the print head 41 acquired by the control unit 31 deviates from a predetermined range of an appropriate value, the control unit 31 stops the ink ejection operation of the print head 41 and continues the movement of the print head 41. When the moving speed of the print head 41 returns to the appropriate value, the control unit restarts the ink ejection operation of the print head 41.SELECTED DRAWING: Figure 3
Patent JP-2021151799-A (JP)
Title: Assembly device and assembling method for floating body type on-water structure
Inventor: MORIYA YOICHI
IPC: B63B77/10
Filed: 2020-03-24
Abstract: To provide an assembly device and an assembly method for a floating body type on-water structure capable of stably assembling a floating body type on-water structure such as a floating body type marine wind power generator even in a sea area with severe marine phenomenon condition.SOLUTION: An assembly device 10 for a floating body type on-water structure 1 is capable of stably carrying out work even in a sea area with severe marine phenomenon condition by including a floating body unit 11 for retaining a bottom unit floating body structure body 2, and a barge 12 on which a top unit structure body 3 is mounted, having one end of the floating body unit 11 supported through a buffer 13 on a top surface of a barge 14, and moving the top unit structure body 3 on the barge 12 onto the bottom unit floating body structure body 2 retained by the floating body unit 11.SELECTED DRAWING: Figure 1
Patent JP-2020114753-A (JP)
Title: Septum and related method
Inventor: ROBERT P LUOMA
IPC: A61J1/05
Filed: 2020-03-24
Abstract: To provide a septum and a container having the septum for preventing or reducing evaporation of contents of the container and for controlling access to the contents.SOLUTION: A septum 100 having a first surface 102 and a second surface 104 includes further a rib 108 extending between a membrane 106 and the second surface 104.SELECTED DRAWING: Figure 1
Patent JP-2021152352-A (JP)
Title: State determination device
Inventor: AOKI ERINA
IPC: F02D45/00
Filed: 2020-03-24
Abstract: To provide a state determination device capable of suppressing increase in cost required for a device configuration and deterioration of versatility.SOLUTION: A state determination device 10 includes a water temperature detection part 13, an intake air temperature detection part 14, a meter 15 and a control device 17. The water temperature detection part 13 detects an engine water temperature TW of an internal combustion engine. The intake air temperature detection part 14 detects an intake air temperature TA of the internal combustion engine. The meter 15 measures a time from stop to start of the internal combustion engine. The control device 17 is provided outside the meter 15 and is communicatively connected with the meter 15. A temperature comparison part 31 compares the engine water temperature TW with the intake air temperature TA. When a measurement time obtained by the meter 15 is longer than a predetermined time, if a difference between the engine water temperature TW and the intake air temperature TA obtained by the temperature comparison part 31 is deviated from a predetermined range, a determination part 33 determines that at least one of the water temperature detection part 13 and the intake air temperature detection part 14 is abnormal.SELECTED DRAWING: Figure 1
Patent JP-2021153757-A (JP)
Title: Presser of sewing machine
Inventor: HONDA KOICHI
IPC: D05B29/10
Filed: 2020-03-26
Abstract: To provide a presser of a sewing machine, having a conical side face to be tilted for suppressing a fabric of cloth, leather or plastic, being suitable for not only intrinsic curve sewing but also straight sewing.SOLUTION: The presser comprises a support part A having a support base member 1 and a roller part B in a conical shape as a whole, having a plurality of rotating members 4 with a different diameter rotatably supported by the support base member 1. The rotating members 4 each independently rotate for suppressing a sewing object.SELECTED DRAWING: Figure 1
Patent JP-2021158764-A (JP)
Title: Stator and motor
Inventor: WATABIKI MASAMICHI
IPC: H02K1/16
Filed: 2020-03-26
Abstract: To provide a stator that can suppress vibration while reducing the average torque of a motor.SOLUTION: The stator includes an annular core back 131, which is centered on a central axis, a tooth 132, which extends in a radial direction from the inner or outer periphery of the core back, and an umbrella 133, which protrudes from both sides of a circumferential direction at a tip of the tooth. Also included is a groove 134 extending along the axial direction on a side surface of the teeth facing the circumferential direction. The groove is located on a core backside than a core back end of the umbrella.SELECTED DRAWING: Figure 3
Patent JP-2021158021-A (JP)
Title: Light guide duct
Inventor: ITO AYAKO
IPC: F21S11/00
Filed: 2020-03-27
Abstract: To provide a light guide duct capable of emitting light taken in by lighting to indoors from a horizontal direction at low cost, without being restricted by a utilization space indoors.SOLUTION: A light guide duct 1 includes: a lighting window 20 for collecting natural light L1; a duct body 30 in which a light guide passage 31 is formed along the vertical direction which reflects the collected natural light and meanwhile, guides reflected reflection light L2; and a light emission panel 40 which is mounted on the duct body 30, which transmits the reflection light L2 guided in the light guide passage 31 and meanwhile, emits the transmitted reflection light L2 to indoors RI. The duct body 30 is formed as part of a wall 80 of the indoors RI across a plurality of different floors. The light emission panel 40 forms a wall surface 81 of the indoors RI of each floor.SELECTED DRAWING: Figure 2
Patent JP-2021156428-A (JP)
Title: Seal member
Inventor: NAKANO ATSUSHI
IPC: F16J15/10
Filed: 2020-03-30
Abstract: To provide a seal member capable of suppressing leakage of fluid.SOLUTION: A gasket 4 comprises a cylindrical body part 10 having a communication hole 10a communicating flow path holes 2c, 2c respectively formed in two fluid devices 2 and 2, and an annular primary seal part 11 that projects from the inside of a diameter of an axial outer end part of the body part 10 to the outside in an axial direction and is press-fitted into an annular primary seal groove 2d formed in each fluid device 2. In a state before the primary seal part 11 is press-fitted into the primary seal groove 2d, an entire inner peripheral surface 10b of the body part 10 is formed so as to gradually reduce a diameter from both axial outer ends toward the axial inside.SELECTED DRAWING: Figure 1
Patent JP-2021156145-A (JP)
Title: Window frame of skylight window, and skylight window
Inventor: TAGUCHI NAOHIRO
IPC: E04D13/03
Filed: 2020-03-30
Abstract: To prevent a window frame of a skylight window from breaking or deforming owing to thermal expansion of a resin-made inner frame member constituting the window frame by absorbing the thermal expansion of the inner frame member.SOLUTION: The present invention relates to a window frame of a skylight window that is fitted to an opening part formed in a roof of a building, and has: a rectangular outer frame member made of metal; a fixing member fixing the outer frame member to the opening part of the roof; and a rectangular inner frame member made of resin and arranged inside the outer frame member, wherein the inner frame member consists of a plurality of division bodies, which each have an expansion absorption structure part formed at its end part.SELECTED DRAWING: Figure 2
Patent JP-2021163539-A (JP)
Title: Electric heater and electric boiler
Inventor: ITO YOSHIHIRO
IPC: H05B3/48
Filed: 2020-03-30
Abstract: To miniaturize the device and safely improve the performance as a heater.SOLUTION: An electric heater includes a first heater body to which a connection terminal is connected to one end, a second heater body arranged adjacent to the first heater body, and a short-circuit plate arranged on the connection terminal side of the first heater body and the second heater body and connecting the first heater body and the second heater body, and in the second heater body, in the extending direction of the second heater body, the end of a charging portion on the connection terminal side is closer to the short-circuit plate side than the connection portion between the first heater body and the connection terminal.SELECTED DRAWING: Figure 2
Patent JP-2021161173-A (JP)
Title: Olefin compound, curable resin composition and cured product thereof
Inventor: TOSHIMA TAKAYUKI
IPC: C08F12/34
Filed: 2020-03-31
Abstract: To provide an olefin compound that shows excellent heat resistance and electric characteristics and has excellent curability.SOLUTION: The present disclosure provides an olefin compound represented by formula (1), where X represents any organic group, and each Y represent one of (A)-(D), excluding the case where all of them are (D).SELECTED DRAWING: None
Patent JP-2021160543-A (JP)
Title: Cargo handling vehicle
Inventor: KATO YUTA
IPC: B60P1/48
Filed: 2020-03-31
Abstract: To provide a cargo handling vehicle in which an amount of wear on an engagement surface of a hook with a lift bar can be easily and accurately determined, where the cargo handling vehicle is configured to pivotably support a dump arm to a rear part of a vehicle body frame so that it can undulate and rotate, to pivotably support a base of a lift arm so that it can undulate and rotate to the dumping arm in a longitudinal direction, to provide a hook arm, in a tip part of the lift arm, which has a detachable hook with a lift bar of a container front part, and to allow a container to be loaded and unloaded between the vehicle body frame and a ground surface by undulating and rotating the lift arm together with the hook arm.SOLUTION: On at least one side surface of left and right sides of a hook 6F, a mark L for determining wear which extends along an engagement surface 6Fa with a lift bar 56 of the hook 6F and is visible from a side of a vehicle is provided at distance from the engagement surface 6Fa.SELECTED DRAWING: Figure 5
Patent JP-2021162728-A (JP)
Title: Optical body, method of manufacturing optical body, and optical device
Inventor: TAZAWA HIROSHI
IPC: G01J1/04
Filed: 2020-03-31
Abstract: To provide an optical body which offers superior anti-reflective performance over a wide wavelength range from the visible region to the near-infrared region.SOLUTION: An optical body provided herein comprises a transparent substrate 10 and a fine concavo-convex layer 20 having a fine concavo-convex structure provided at least on one surface of the substrate 10, and exhibits a maximum reflectance (Ra) of 1% or less for light in a wavelength range of 400-950 nm, where a wavelength corresponding to the minimum reflectance (Rb) is 650 nm or greater.SELECTED DRAWING: Figure 1
Patent JP-2021162538-A (JP)
Title: Method and device for measuring structure hysteresis
Inventor: KAWACHI TAKESHI
IPC: G01M17/007
Filed: 2020-04-02
Abstract: To remove a structure hysteresis of a testing machine and measure the structure hysteresis of a vehicle.SOLUTION: A structure hysteresis measuring device 10 acquires a first deformation amount of the vehicle measured by gradually applying a first load on the vehicle or removing the first load from the vehicle by a test machine, acquires a second deformation amount of a standard test body measured by gradually applying a second load on the standard test body or removing the second load from the standard test body by a test machine, calculates a loss energy of the vehicle by subtracting a second loss energy calculated on the basis of the second deformation amount from a first loss energy calculated on the basis of the first deformation amount, calculates a work amount by the time when the first load reaches the maximum load as a strain energy of the vehicle, and calculates the structure hysteresis of the vehicle by dividing the loss energy of the vehicle by the strain energy. The structure hysteresis measuring device thereafter outputs the calculated structure hysteresis of the vehicle.SELECTED DRAWING: Figure 1
Patent JP-2020102892-A (JP)
Title: Method and apparatus for transmission of uplink grant
Inventor: LIU JIANGUO
IPC: H04W72/12
Filed: 2020-04-03
Abstract: To provide a method and an apparatus for transmitting uplink grant.SOLUTION: A method for transmitting uplink grant comprises a step of transmitting the uplink grant by selecting a downlink subframe from a plurality of candidate downlink subframes, each of the plurality of downlink subframes enabling scheduling of at least one user device to start transmission of burst data in an uplink subframe.SELECTED DRAWING: Figure 1
Patent JP-2021159725-A (JP)
Title: Roll paper holder
Inventor: SUGIURA KOHEI
IPC: A47K10/36
Filed: 2020-04-03
Abstract: To provide a roll paper holder in which a tip of roll paper can be found easily, and the roll paper can be cut by a simple operation.SOLUTION: A roll paper holder is equipped with a cover member 32 for covering a drawing side of a retained roll paper rolling. A cutting part 500 is provided for cutting a portion drawn out of the roll paper rolling in a lower portion of the cover member. The cover member is caused to swingably pivot centering on a central axis Q between a pre-operation position and a stop position positioned on the drawing side from the pre-operation position. The portion being drawn is cut by the cutting part while the cover member is in the stop position. When the drawn portion is cut by the cutting part, a direct distance L2 from a pivoting position of the cover member to a tip of the cutting part is set so as to become shorter than a direct distance L1 from the contact position with the tip of the cutting part to the contact position with the roll paper rolling and the drawn portion among the drawn portions.SELECTED DRAWING: Figure 3
Patent JP-2021165013-A (JP)
Title: Ink jet recording device
Inventor: KOBAYASHI KIMIHIKO
IPC: B65H7/14
Filed: 2020-04-07
Abstract: To avoid such a situation that a recording medium is stained due to a stain even when the stain adheres to the periphery of an opening of a conveyor belt in unintended circumstances.SOLUTION: A control unit of an ink jet recording device determines whether or not a stain adheres to the periphery of an opening of a conveyor belt on the basis of a detection result of a surface state detection sensor before and after a recording head executes flushing. The control unit executes or stops the supply of a recording medium to the conveyor belt in the next cycle by a recording medium supply mechanism on the basis of the presence/absence of adhesion of the stain and a preset placement pattern of the recording medium to be supplied to the conveyor belt in the next cycle of the cycle in which the flushing is executed.SELECTED DRAWING: Figure 10
Patent JP-2021165430-A (JP)
Title: Production method of steel for high-strength bolt
Inventor: KINAMI TOSHIYA
IPC: C22C38/34
Filed: 2020-04-08
Abstract: To provide a production method of steel for high-strength bolts, by which high tensile strength of 1400 MPa or more and excellent delayed fracture resistance can be achieved even when the steel containing carbon of 0.55 mass% or more is used for a large-diameter material without adding Ni.SOLUTION: Disclosed is a production method of steel for high-strength bolts, which are mainly composed of a tempered martensite structure and have a tensile strength of 1400 MPa or more, in which a steel ingot comprising a steel having a composition containing, by mass%, more than 0.55% and at most 0.80% of C, more than 1.00% and at most 2.90% of Si, 0.80% or more and 1.50% or less of Cr, 0.010% or more and 0.060% or less of Al, and 0.005% or more and 0.030% or less of N is heated and held in an austenite single phase region at 1000°C or lower, and subjected to plastic working at a working temperature of the recrystallization temperature or lower and the martensite transformation start temperature or higher with a working ratio of 50% or more, and then quenched and tempered to adjust the tensile strength so that the local limit hydrogen concentration is 1.5 ppm or more.SELECTED DRAWING: None
Patent JP-2021167005-A (JP)
Title: Aqueous releasing agent for die casting
Inventor: SOGA KOJI
IPC: B22D17/20
Filed: 2020-04-10
Abstract: To provide a die casting releasing agent having an excellent molten metal heat retention ability, capable of improving productivity/work environment, and thus usable for both low-speed die casing and high-speed die casing.SOLUTION: An aqueous releasing agent for die casting is configured such that laminar silicate minerals are dispersed at the concentration of 0.005 wt% or more and less than 5 wt%, and the particle diameters of the dispersed laminar silicate minerals are 0.1 μm or less. In other words, the aqueous releasing agent for die casting is prepared by blending specific laminar silicate minerals stably dispersible to be transparent with respect to water.SELECTED DRAWING: None
Patent JP-2020110698-A (JP)
Title: Heart valve sealing devices and delivery devices therefor
Inventor: MARK CHAU
IPC: A61F2/24
Filed: 2020-04-22
Abstract: To provide improved devices and methods for treating mitral valve regurgitation.SOLUTION: In one representative embodiment, an implantable prosthetic device comprises a spacer body portion configured to be disposed between native leaflets of a heart, and an anchor portion configured to secure the native leaflets against the spacer body portion, where the prosthetic device is movable between a compressed configuration, in which the spacer body portion is radially compressed and is axially spaced relative to the anchor portion, and an expanded configuration, in which the spacer body portion expands radially outwardly relative to the compressed configuration and overlaps at least a portion of the anchor portion.SELECTED DRAWING: Figure 5
Patent JP-2021180584-A (JP)
Title: Stator and method for manufacturing the same
Inventor: KATSUME AKIHITO
IPC: H02K3/04
Filed: 2020-05-15
Abstract: To appropriately detect the temperature of a stator coil.SOLUTION: A stator provided in a rotary electric machine includes a cylindrical stator core in which a plurality of slots are formed, a stator coil SC including a plurality of segment conductors to be inserted in the slots, and a sensor unit 61 including a sensor holding conductor 62 to be welded to segment coils C1 and C2 constituting a plurality of segment conductors, a thermistor 63 held by the sensor holding conductor 62. The sensor holding conductor 62 includes a joint end portion 62a to be welded to a joint end portion 71 of the segment coil C1, a joint end portion 62b to be welded to a joint end portion 72 of the segment coil C2, and a bent portion 62c for joining the joint end portions 62a and 62b to each other. The thermistor 63 is held inside the bent portion 62c.SELECTED DRAWING: Figure 9