baber/WOPTO huggingface dataset:
Patent JP-2019172990-A (JP)
Title: Manufacturing method of ethylene polymer catalyst, and manufacturing method of ethylene polymer
Inventor: YAMAMOTO KAZUHIRO
IPC: C08F4/69
Filed: 2019-03-25
Abstract: To provide a manufacturing method of an ethylene polymer catalyst capable of generating high molecular weight ethylene polymer, and improving controllability of molecular weight by hydrogen, and a manufacturing method of an ethylene polymer.SOLUTION: There is provided a manufacturing method of an ethylene polymer catalyst having following processes (1) to (4). (1) carrying a chromium compound on a fine particle carrier consisting of inorganic oxide having a diffraction peak derived from periodic structure in a powder X ray diffraction measurement, (2) making at least a part of chromium atom to hexavalent by burning and activation under a nonreducing atmosphere at 400 to 900°C, (3) contacting a specific organic aluminum compound and a specific organic aluminum oxy compound with an inert hydrocarbon solvent, and (4) removing the inert hydrocarbon solvent.SELECTED DRAWING: None
Patent JP-2020159250-A (JP)
Title: Muffler and pipe for muffler
Inventor: FUKUDA HIROMU
IPC: F01N1/08
Filed: 2019-03-25
Abstract: To provide a muffler which can switch a circulation path of an exhaust gas in a muffler case in which a plurality of silencer chambers are formed by using a pipe in which the exhaust gas constantly circulates.SOLUTION: In a muffler 1 from which an exhaust gas introduced into a muffler case 2 from an inlet pipe 3 is discharged from an outlet pipe 4, an intake port 41 of the outlet pipe 4 is arranged in a first silencer chamber R1, and an inlet pipe 3 has a movable pipe 5 extending up to a second silencer chamber R2 while straddling the first silencer chamber R1, and moving to a fixed pipe 6 according to the pressure of the exhaust gas. When the exhaust gas is high in pressure, a high-pressure movable hole part 51 of the movable pipe 5 is overlapped on a high-pressure fixed hole part 62 of the fixed pipe 6, the inlet pipe 3 and the first silencer chamber R1 thereby communicate with each other, and when the exhaust gas is low in pressure, a low-pressure movable hole part 52 of the movable pipe 5 is overlapped on a low-pressure fixed hole part 63 of the fixed pipe 6, and the inlet pipe 3 and the second silencer chamber R2 thereby communicate with each other.SELECTED DRAWING: Figure 3
Patent JP-2020159342-A (JP)
Title: Oil pump drive structure for internal combustion engine
Inventor: NUKADA YOSHITAKA
IPC: F01P5/10
Filed: 2019-03-28
Abstract: To improve flexibility of positional shapes of an oil pump drive transmission mechanism and its cover part and easily manufacture a swelling part that forms the cover part in an internal combustion engine in which a crank chamber, etc. becomes a negative pressure chamber.SOLUTION: In an oil pump drive structure for an internal combustion engine including a crank case 40 in which a crank chamber 40a becoming a negative pressure chamber is partitioned from a transmission chamber 50 by a partition wall 40b, an oil pump 100 disposed in the transmission chamber side and a pump drive shaft 92 connected to a transmission drive part 91 of an oil pump drive transmission mechanism 90 rotated in cooperation with a crank shaft, a transmission space 106 communicated with the crank chamber side via a gap part 105 of the partition wall is provided in a swelling part 107 swelling to the transmission chamber side, and a transmission driven part 93 disposed in the transmission space is provided in the pump drive shaft. The transmission driven part is connected to the transmission drive part via the gap part, and a cover member 108 forming the transmission space separately from the partition wall is mounted to the partition wall to surround the gap part from the transmission chamber side so as to constitute the swelling part.SELECTED DRAWING: Figure 5
Patent JP-2020158300-A (JP)
Title: Lifting work support system
Inventor: OIKAWA NAOKI
IPC: H04N5/225
Filed: 2019-03-28
Abstract: To provide a lifting work support system for operation of a lifting machine that can check if there are obstacles to the lifting operation directly underneath a suspended load.SOLUTION: A lifting work support system 1 includes a first camera. The first camera is provided on a suspended load 3. The suspended load 3 is suspended by a lifting machine 2 during a lifting operation. The first camera captures a first image by a first light receiving unit. The first image is displayed on a display unit 7. The first light receiving unit is arranged below the lower surface of the suspended load 3 toward the lower side of the suspended load 3.SELECTED DRAWING: Figure 1
Patent JP-2020165118-A (JP)
Title: Method for adhering injection needle and waterproof sheet to fixing plate
Inventor: MAENO SHIGENOBU
IPC: E04F21/00
Filed: 2019-03-28
Abstract: To provide a method for adhering an injection needle and a waterproof sheet to a fixing plate capable of improving workability and surely adhering the needle and the waterproof sheet.SOLUTION: A injection needle 3 is attached to a syringe 100 used when a waterproof sheet is adhered to a fixing plate arranged along a back surface of the waterproof sheet, having a first cutting surface 31 having a first angle θ1 with respect to a material axis O1 direction of the needle, and a second cutting surface 32 intersecting a tip 31f of the first cutting surface 31 and having a second angle θ2 with respect to the material axis O1 direction, wherein the second angle θ2 is greater than the first angle θ1.SELECTED DRAWING: Figure 3
Patent JP-2020164595-A (JP)
Title: Film formation method and surface protection oil
Inventor: YANO AKIHIKO
IPC: C10M177/00
Filed: 2019-03-28
Abstract: To provide the film formation method and the surface protection oil, that can suppress damage to members.SOLUTION: The surface protection oil for forming a film M on a surface A1 of a member A comprises a silane compound which is tetraethoxysilane and a lubricating oil, wherein the silane compound is contained in an amount of 2 wt.% or more to 50 wt.% by or less. Further, the film formation method for forming the film M on the surface A1 of the member A comprises a contact step of bringing the surface protection oil into contact with the surface A1 of the member A, and a film forming step of forming the film M containing Si and O on the surface A1 of the member A by hydrolyzing the silane compound and dehydrating and condensing the silane compound.SELECTED DRAWING: Figure 5
Patent JP-2019184231-A (JP)
Title: Refrigerating device
Inventor: TAKEGAMI MASAAKI
IPC: F25B13/00
Filed: 2019-03-29
Abstract: To restrain a flow passage switching mechanism from being complicated.SOLUTION: A flow passage switching mechanism (70) comprises first to fourth flow passages (71, 72, 73, and 74), and opening/closing mechanisms (V1, V2, V3, V4, 75, and 76) capable of opening/closing the respective flow passages (71, 72, 73, and 74). A first connection point (C1) connecting an inflow part of the first flow passage (71) and an inflow part of the second flow passage (72) leads to a discharge part of a compression part (30). A second connection point (C2) connecting an outflow part of the first flow passage (71) and an inflow part of the third flow passage (73) leads to a gas side end part of a heat source heat exchanger (22). A third connection point (C3) connecting an outflow part of the second flow passage (72) and an inflow part of the fourth flow passage (74) leads to a gas side end part of a second utilization heat exchanger (85 or 93). A fourth connection point (C4) connecting an outflow part of the third flow passage (73) and an outflow part of the fourth flow passage (74), and a gas side end part of a first utilization heat exchanger (83) lead to a suction part of the compression part (30).SELECTED DRAWING: Figure 16
Patent JP-2020165838-A (JP)
Title: Guide light irradiation device
Inventor: SUGIURA AKINOBU
IPC: G01C15/00
Filed: 2019-03-29
Abstract: To provide a guide light irradiation device that radiates guide light for guiding a survey operator.SOLUTION: A guide light irradiation device for radiating guide light for indicating a direction to a survey operator comprises a plurality of irradiation machines for radiating guide light in different modes at its right and left about an irradiation direction. The plurality of irradiation machines are arranged vertically in tandem so that the irradiation directions of the irradiation machines horizontally coincide with each other and vertically form a predetermined angle. The synthetic light of the guide light radiated from the irradiation machines has the brightness obtained by combining the brightness of the light sources of each irradiation machine and forms a fan shape extending vertically. This increases the visible distance of the light and makes it easier to find the guide light even in an undulating location.SELECTED DRAWING: Figure 1
Patent JP-2020166144-A (JP)
Title: Cleaning unit, cartridge, and image forming apparatus
Inventor: MATSUDA KOHEI
IPC: G03G21/12
Filed: 2019-03-29
Abstract: To provide a technology that makes it possible to convey a developer removed from a surface of an image carrier toward a developer storage unit more efficiently in a smaller space with a stable operation.SOLUTION: A cleaning unit comprises: a cleaning member 11a that scrapes off a developer from a surface of a photoreceptor drum 7 that is attached to an opening of a cleaning frame body 11d; and a conveying member 12b that conveys the developer scraped off from the opening of the frame body 11d to the depth side on the opposite side. The conveying member 12b is driven such that the absolute value of the maximum acceleration at the time when a conveyance sheet 11b moves from the opening to the depth side becomes smaller than the absolute value of the maximum acceleration T the time when the conveyance sheet moves in the opposite direction. In the longitudinal direction of the photoreceptor drum 7, the width of the conveying member 11b is smaller than a contact width at the contact part of the cleaning member 11a with the photoreceptor drum 7, and an end of the conveying member 12b in the longitudinal direction is located inside an end of the contact part.SELECTED DRAWING: Figure 5
Patent JP-2020164726-A (JP)
Title: Sheet
Inventor: NOGUCHI MASAYO
IPC: C08L1/16
Filed: 2019-03-29
Abstract: To provide a fine fibrous cellulose-containing sheet that has high transparency and excellent dimensional stability under a high temperature and high humidity condition.SOLUTION: The present invention relates to a sheet containing a fibrous cellulose having a fiber width of 1000 nm or less and having a phosphorous-oxo acid group or a substituent derived from a phosphorous-oxo acid group, in which when a first dissociated acid amount in fibrous cellulose is defined as A1 and a total dissociated acid amount in fibrous cellulose is defined as A2, the value of A1/A2 is 0.51 or more, and the moisture content after standing for 24 hours under a condition of 23°C and a relative humidity of 50% is 10.0% or less.SELECTED DRAWING: None
Patent JP-2020169833-A (JP)
Title: Rotational speed sensor
Inventor: TOMITA KAZUHIKO
IPC: G01P1/02
Filed: 2019-04-01
Abstract: To provide a rotational speed sensor equipped with a sensor head having a plurality of sensor ICs buried, in which the reliability of the rotational speed sensor is improved.SOLUTION: A rotational speed sensor comprises a sensor head, two sensor ICs buried in the sensor head, and a cable 3 with its end located inside of the sensor head. Stranded wires composed of insulated electric wires 61a, 61b connected to one of the two sensor ICs and insulated electric wires 62a, 62b connected to the other sensor IC pass through the inside of the cable 3. Out of the insulated electric wires 61a, 61b and 62a, 62 arranged at positions corresponding to the four corners of a square in a cross section of the cable 3, the insulated electric wires 61a, 61b are arranged at the diagonal positions of the square and the insulated electric wires 62a, 62b are arranged at the other diagonal positions of the square.SELECTED DRAWING: Figure 8
Patent JP-2020170604-A (JP)
Title: High-voltage load switch
Inventor: TSUCHIYA MASAKI
IPC: H02B5/02
Filed: 2019-04-01
Abstract: To provide a high-voltage load switch which allows reduction in assembling man-hours by eliminating the need for length adjustment of a spring member.SOLUTION: A high-voltage load switch 1 comprises: a fixed main contact piece 17; a movable member 6 which opens/closes a circuit; a movable main contact piece 4, fitted to the movable member 6, which can be brought into contact with the fixed main contact piece 17; a fitting member 19 which is inserted through both of the movable main contact piece 4 and the movable member 6 so as to fix the former to the latter; a detachment prevention member 20 which prevents the detachment of the fitting member 19 thus inserted; and a spring member 18, attached to the fitting member 19, which brings the movable main contact piece 4 into pressure-contact with the movable member 6. The fitting member 19 has: an enlarged diameter part 19a which locks the spring member 18; and an insertion part 19b, partially surrounded by the spring member 18, which is inserted through the movable main contact piece 4 and the movable member 6.SELECTED DRAWING: Figure 4
Patent JP-2020170312-A (JP)
Title: On-vehicle device, attention information distribution server, attention information distribution system, and attention information distribution method
Inventor: KAMATA KOHEI
IPC: G08G1/01
Filed: 2019-04-02
Abstract: To present to a driver with inattentive action excluding action permitted to the driver during automatic operation of inattentive action caused by a human factor as attention information.SOLUTION: A travel location acquisition unit 101 acquires information indicating a travel location of an own vehicle 10. An attention information acquisition unit 104 acquires attention information corresponding to a travel location acquired by the travel location acquisition unit 101 from an attention information distribution server 200 storing attention information for each travel location. An allowable action information generation unit 107 generates second allowable action information relating to action of a driver permitted when the own vehicle 10 performs automatic operation. An allowable action determination unit 111 excludes attention information corresponding to the second allowable action information generated by the allowable action information generation unit 107 from among the attention information acquired by the attention information acquisition unit 104. An information presentation control unit 112 controls a presentation device 300 so as to present the driver of the own vehicle 10 with attention information from which attention information corresponding to the second allowable action information has been excluded by the allowable action determination unit 111.SELECTED DRAWING: Figure 1
Patent JP-2020168972-A (JP)
Title: Bicycle driving device
Inventor: TAKAGI TAKEO
IPC: B62M3/00
Filed: 2019-04-04
Abstract: To provide a bicycle driving device configured to smoothly drive a crank shaft to rotate with relatively small stepping-in force so as to take turning force out even when a pedal of a bicycle is nearby a vertical position.SOLUTION: A bicycle driving device comprises a shaft part crank 6 which is fixed and connected to the axis of a chain sprocket coaxially with the axis, a pedal mount crank 3 which has a pedal 2 joined to a tip part, and a hinge part 5 for use to connect the shaft part crank 6 and the pedal mount crank 3 to each other. The pedal mount crank 3 is so set as to rotate around the hinge part 5 as a fulcrum in a turning direction of the shaft part crank 6 within a predetermined angle range. In stepping in the pedal with the shaft part crank 6 vertical (at a rotational angle of 0 degree), the pedal mount crank 3 rotates within a range of 0 to 25 degrees, and force for stepping in the pedal 2 can be greatly reduced.SELECTED DRAWING: Figure 2
Patent JP-2020168620-A (JP)
Title: Cleaning device
Inventor: KITAMURA TAKAHITO
IPC: B08B9/093
Filed: 2019-04-04
Abstract: To provide a cleaning device 1 which enables easy maintenance and cleaning with a simple structure.SOLUTION: The cleaning device 1 includes: a lid body 13 which has a slit 13A and is attached to an upper end of a tank 2; a cleaning unit 15 which jets a cleaning fluid W from a cleaning nozzle 14 inserted into the tank 2; a reciprocating mechanism 16 which reciprocates the cleaning unit 15 in a longitudinal direction of the slit 13A; and closing means 18 which prevents the cleaning fluid W from scattering from the slit 13A to the outside. The closing means 18 includes a slide plate 51 and both cover plates 52A, 52B which are moved in the longitudinal direction of the slit 13A in conjunction with the cleaning unit 15. When the cleaning unit 15 is reciprocated in the slit 13A during cleaning of the tank 2, in conjunction with the reciprocating movement, the slide plate 51 and both cover plates 52A, 52B are moved in the longitudinal direction of the slit 13A while closing an entire part of the slit 13A.SELECTED DRAWING: Figure 4
Patent JP-2020172348-A (JP)
Title: Vehicle selection device, vehicle selection method and vehicle selection program
Inventor: YOSHIZAWA NAOKO
IPC: B65G61/00
Filed: 2019-04-08
Abstract: To provide a vehicle selection device, a vehicle selection method and a vehicle selection program capable of effectively utilizing a vehicle registered for receiving the load in a predetermined region.SOLUTION: A vehicle selection device of the invention is provided with a memory and a processor having hardware, and the processor selects a vehicle for collecting and delivering the load to be collected and delivered based on parking and stopping information including information on the positions and parking and stopping of a plurality of vehicles which are parked and stopped in a predetermined area and can use a vehicle compartment for receiving the load.SELECTED DRAWING: Figure 2
Patent JP-2020173992-A (JP)
Title: Sulfide solid electrolyte, manufacturing method of sulfide solid electrolyte, electrode body, and all-solid-state battery
Inventor: SUGANUMA HIKARU
IPC: H01B1/10
Filed: 2019-04-11
Abstract: To provide a sulfide solid electrolyte capable of obtaining an electrode body having good ion transport efficiency.SOLUTION: A sulfide solid electrolyte including an Li element, a P element, and an S element includes tetrahydrofuran and has a BET specific surface area of 8.3 m2/g or more.SELECTED DRAWING: Figure 3
Patent JP-2020177058-A (JP)
Title: Display device and method for determining fault of icon
Inventor: OBATA KIJURO
IPC: G09G5/00
Filed: 2019-04-16
Abstract: To provide a display device and a method for determining fault of an icon each of which enables fault of an icon of an alarm lamp etc. to be accurately diagnosed.SOLUTION: An in-car display device 100 according to the present invention comprises: a background image generation unit 110 generating a background image; an icon image generation unit 120 generating the image data of an icon; a synthesis unit 130 synthesizing the generated icon image data and background data; a correct-answer icon data storage unit 170 storing correct-answer icon image data for reference; an icon image cutout unit 140 cutting out icon image data from the synthesized image data; a correlation calculation unit 180 calculating a correlation between the cut-out icon image data and the correct-answer icon image data for reference; and a comparison unit 190 determining a fault of the cut-out icon image data on the basis of the calculated correlation output value.SELECTED DRAWING: Figure 3
Patent JP-2020178434-A (JP)
Title: Rotor of electric motor, and electric motor
Inventor: KONAKA YUDAI
IPC: H02K1/27
Filed: 2019-04-17
Abstract: To provide a technique for suppressing the cogging torque and heat to be generated when an electric motor is operated.SOLUTION: A rotor 12 comprises: a sleeve 22 fixed outside in a radial direction of a rotary shaft 20; a plurality of magnets 24 arranged outside in the radial direction of the sleeve 22; and a cylindrical reinforcement member 26 which surrounds the plurality of magnets 24 so as to contact an outer surface 28 of the plurality of magnets 24, and sandwiches the plurality of magnets 24 between it and the sleeve 22, in which each of the plurality of magnets 24 has: a center part 30 in a circumferential direction which contacts the sleeve 22; and ends 32, 34 in the circumferential direction which have thickness smaller than that of the center part 30 to form gaps 38, 40 between them and the sleeve 22.SELECTED DRAWING: Figure 2
Patent JP-2019157276-A (JP)
Title: Can roll, vacuum film deposition device and film deposition method of long body
Inventor: OGAMI HIDEHARU
IPC: B65H20/02
Filed: 2019-04-22
Abstract: To provide a can roll which can prevent wrinkle of heat-resistant resin film or the like from generating even if it is used under a temperature condition largely exceeding an in-use estimated temperature, and a vacuum film deposition device or the like.SOLUTION: The can roll includes: a cylindrical part 40 in which a coolant circulation path is provided inside; a pair of side plates 42 in which an open end side of the cylindrical part is closed and an opening is provided in a center part; and a pair of cylindrical rotation shafts 41 in which a base end side is engaged to the opening of the side plate and a tip side is projected from the side plate to outside. The can roll cools a resin film or the like transferred in a roll to roll manner in a vacuum chamber by rolling it in an outer peripheral surface of the cylindrical part. In the can roll, a center shaft double pipe for introducing/exhausting the coolant to/from the coolant circulation path provided inside the cylindrical part, and cooling means for the rotation shaft which is constituted by a rotation shaft coolant introduction tube 46 and a rotation shaft coolant exhaust pipe 47 and controls the temperature of the cylindrical rotation shaft at a constant level are provided in the cylindrical rotation shaft.SELECTED DRAWING: Figure 6
Patent JP-2020175065-A (JP)
Title: Freshness-retaining vegetable basket
Inventor: CUI JIEJIE
IPC: A45C11/00
Filed: 2019-04-24
Abstract: To disclose a freshness-retaining vegetable basket.SOLUTION: A freshness-retaining vegetable basket comprising a vegetable basket and a vegetable storage chamber is such that: a U-type groove is installed in the vegetable basket; a closure mechanism is installed in the U-type groove; the closure mechanism includes a movement groove; a movement spring is fixedly installed in the right edge wall of the movement groove; a movement block slidably connected to the movement groove is fixedly installed in the left edge of the movement spring; a trapezoid block is fixedly installed in the upper edge of the movement block; and a freshness retention mechanism is installed at the upper side of the closure mechanism. The basket is convenient in operation, has a simple structure, enables spraying water periodically to the surfaces of vegetables with respect to a basic function of storing vegetables, and has good ventilation to guarantee the freshness of vegetables.SELECTED DRAWING: Figure 1