baber/WOPTO huggingface dataset:
Patent JP-2018112102-A (JP)
Title: Supercharged air passage opening/closing structure of vane-type internal combustion engine
Inventor: NAKAGAWA SOJI
IPC: F02B53/00
Filed: 2017-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a supercharged air passage opening/closing structure of a vane-type internal combustion engine capable of improving air intake/exhaust efficiency and reducing costs.SOLUTION: A supercharged air passage 23, in which compressed air generated in a supercharging stroke flows, is formed between a part facing a region in which the supercharging stroke is performed, of a housing 20 and intake ports 62, 112. In the supercharged air passage 23, a valve shaft 150 as an opening/closing member having a switching function, which does not make a combustion gas G of high pressure generated by an explosion stroke flow in the supercharged air passage, and makes the compressed air flow into the supercharged air passage 23 in the supercharging stroke, is disposed. The valve shaft 150 is formed into the columnar shape and disposed to close the supercharged air passage 23, and the supercharged air passage 23 can be opened by forming a ventilation passage 150A in which the compressed air can be circulated, and communicating the ventilation passage 150A and the supercharged air passage 23 by rotation of the valve shaft 150.SELECTED DRAWING: Figure 25
Patent JP-2018113798-A (JP)
Title: Driving device
Inventor: HAMAGUCHI TAKASHI
IPC: H02M7/48
Filed: 2017-01-12
Abstract: PROBLEM TO BE SOLVED: To shut-down a current to a motor by properly determining an overcurrent.SOLUTION: A driving device comprises: a motor; a driving circuit that drives the motor; a control device that controls the driving circuit; an overcurrent detection circuit that detects that a current flowing in the motor in response that a power supply from a first power source is overcurrent; and a power supply sudden change detection circuit that detects the sudden change of a voltage of the first power source in response to the power supply from a second power source different from the power source. The control device stops the operation of the driving circuit when the overcurrent is detected in the overcurrent detection circuit during the operation of the driving circuit and the drive of the motor, and the sudden change of the voltage of the first power source from the power source sudden change detection circuit is not detected, and maintains the operation of the driving circuit when the sudden change of the voltage of the first power source is detected in the power source sudden detection circuit.SELECTED DRAWING: Figure 1
Patent JP-2017140651-A (JP)
Title: Member joining method
Inventor: NAKAMURA RYOTA
IPC: B23K20/20
Filed: 2017-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a joint technique of a member capable of joining and separating a member to be used in a vacuum tank, for example, and another member with a simple process and, further, capable of performing recycling of such a member easily and inexpensively.SOLUTION: In an integration method, a first member to be joined comprising a first metal or a first metallic compound and a second member to be joined comprising a second metal or a second metallic compound are joined. A flame spray process P1 for forming a joint film comprising water collapsible aluminum alloy onto at least either of the first member to be joined and the second member to be joined by flame spray, and a heating press-sticking process P3 for heating and press-sticking the first member to be joined and the second member to be joined while pressurizing both members in such a direction that both members approach each other in the state of holding the joint film between both members are provided.SELECTED DRAWING: Figure 1
Patent JP-2017142784-A (JP)
Title: Management system of short-distance wireless identification device
Inventor: SAKAGUCHI TETSUYA
IPC: G06K19/07
Filed: 2017-01-17
Abstract: PROBLEM TO BE SOLVED: To manage management objects having a short-distance wireless identification device attached by a portable communication terminal, and to easily search for the management object.SOLUTION: A management system S of a short-distance wireless identification device includes: a plurality of short-distance wireless identification devices AK1 to p and BK1 to q that is attached to each of a plurality of management objects, has individual identification data, and can communicate with each other; and at least one portable communication terminal A1 to n and B1 to m that has a notification function, is connected to a broad communication network, and can perform wireless communication with the short-distance wireless identification device, in which the short-distance wireless identification device communicates with the portable communication terminal to thereby build out a mesh network. At least one short-distance wireless identification device is configured to transmit identification data on an own, and try to indirectly communicate with the portable communication terminal by wireless communication via other short-distance wireless identification device. The portable communication terminal is configured to acquire the identification data on each short-distance wireless identification device, and thereby manage at least one short-distance wireless identification device.SELECTED DRAWING: Figure 1
Patent JP-2018115712-A (JP)
Title: Eccentric oscillation type gear device
Inventor: TAMENAGA ATSUSHI
IPC: F16H1/32
Filed: 2017-01-18
Abstract: PROBLEM TO BE SOLVED: To maintain bending strength of a regulation disk high and to suppress an eccentric oscillation type gear device from increasing in axial length.SOLUTION: An eccentric oscillation type gear device comprises a regulation disk 20 arranged between a first eccentric body 130 and a second eccentric body 230 of a crank shaft 28, and abuts on a first external tooth gear 114 to regulates an axial relative movement of the crank shaft to the first external tooth gear, and the first external tooth gear has, on a surface on the side of an axial second external tooth gear 214, a first recessed part 114A in which the regulation disk is housed. The first recessed part has a first side wall face 114B regulating a radial movement of the regulation disk, and a first bottom wall face 114C connecting with the first side wall face. The first bottom wall face has, at a position radially apart from the first side wall face, a first abutting part 114D comprising a first abutting face 114E to abut on the regulation disk.SELECTED DRAWING: Figure 2
Patent JP-2018118331-A (JP)
Title: Flange removal method and flange removal device
Inventor: OGASAWARA MASANOBU
IPC: F16J15/10
Filed: 2017-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a flange removal method and a flange removal device by which a flange can be easily removed from a shaft without heating.SOLUTION: After a liquid is supplied between an outer peripheral surface 2a of a shaft 2 and an inner peripheral surface 3a of a flange 3 and is pressurized, thereby enlarging the inner peripheral surface 3a in a radial direction, the flange 3 is drawn from the shaft 2 by a prescribed length, and after a cap 6 is inserted into a cavity part which is surrounded by an open end of the shaft 2 and the inner peripheral surface 3a of the flange, the liquid is supplied between the outer peripheral surface 2a of the shaft 2 and an outer peripheral surface 6a of the cap 6, and the inner peripheral surface 3a of the flange 3 and is pressurized, thereby enlarging the inner peripheral surface 3a in the radial direction, and then, drawing the shaft 2 from the flange 3.SELECTED DRAWING: Figure 3
Patent JP-2018120998-A (JP)
Title: Optical module
Inventor: NAKAMURA YUKI
IPC: H01S5/40
Filed: 2017-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an optical module which can easily adjust lengths of substantial optical paths so that when condensing, by one lens, a plurality rays of light emitted from a plurality of semiconductor light-emitting elements, a focus point of light from each light-emitting element coincides with a predetermined point.SOLUTION: An optical module 1 comprises: a light-forming part 20; an emission window 41 which transmits light from the light-forming part 20; and protective members 10, 40 disposed so as to surround the light-forming part 20. The light-forming part 20 has: a base member 60; a first semiconductor light-emitting device 81 and a second semiconductor light-emitting device 82 which are operable to emit light; a filter 91 operable to synthesize a plurality of rays of light; and a light adjustment member 31 disposed, between the second semiconductor light-emitting device 82 and the filter 91, at a position where light emitted by the second semiconductor light-emitting device 82 travels through, including a material transparent to light emitted from the second semiconductor light-emitting device 82 and different from atmosphere gas in refraction index, and having a platelet form.SELECTED DRAWING: Figure 3
Patent JP-2018123183-A (JP)
Title: Biological activation bead
Inventor: HAYASHI YOSHINOBU
IPC: A61N5/10
Filed: 2017-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a biological activation bead capable of efficiently activating various organisms (a human body, microorganisms in soil and water and the like) using a terahertz wave without requiring a special apparatus to efficiently obtain an effect without side effects.SOLUTION: A brown bead used as a bead dispersed in soil and having a diameter of 1-10 mm is obtained by pulverizing, mixing, molding and sintering minerals including a natural mineral generating a terahertz wave; a black bead used as a bead pressed on a skin for the disease recovery and health promotion of a human body and having a diameter of 1-10 mm is obtained by adding charcoal, etc., to a powder mixture to mold and sinter the mixture; and a white bead used as a bead immersed in water and purified and having a diameter of 1-10 mm is obtained by adding white ore powder, such as calcium carbonate to a powder mixture to mold and sinter the mixture.SELECTED DRAWING: Figure 1
Patent JP-2018125165-A (JP)
Title: Light-emitting device
Inventor: TAI YASUSHI
IPC: F21V8/00
Filed: 2017-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a light-emitting device reduced in directivity of light emitted from a light emitting part, and suppressing feeling of glare.SOLUTION: A light-emitting device takes light from a light-emitting part 17 into a light-guiding part 13 from an incident surface 18, circumferentially disperses the light by making the light pass through a second light-guiding part 21 bent in a perpendicular direction from a first light-guiding part 19, and makes surfaces different from arrangement surfaces of the light-emitting part 17 bright. The device is provided with a cover part 14 not transmitting light on its upper part, and thereby makes the surfaces bright. Also directly emitted light from the light-emitting part 17 is shielded by a cylindrical direct light-relaxing part 22 covering the outer surface of the first light-guiding part 20.SELECTED DRAWING: Figure 4
Patent JP-2018126043-A (JP)
Title: motor
Inventor: OGAWA YASUSHI
IPC: H02K11/30
Filed: 2017-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a motor capable of enhancing a position accuracy in an axial direction, of a cover that houses a controller.SOLUTION: A motor 1 comprises: a motor main body 3 that comprises a stator having a coil and a rotor that rotates around a central axis extending in a vertical direction; a controller 5 located at an upper side of the motor main body, and that controls the rotation of the rotor; and a cover 90 that surrounds the controller from the radial outside and the upper side. The controller has: a substrate 66 arranged in a direction orthogonal to the central axis and connected with a coil wire extending from the stator; a press-fit pin 51 electrically conductive with the substrate and extending in the vertical direction; and a supporting member 52 contacted with and sandwiched between a first contact surface 3b that faces the upper side of the motor main body and a second contact surface 97a that faces a lower side of the cover.SELECTED DRAWING: Figure 3
Patent JP-2018126044-A (JP)
Title: Haulage vehicle and transportation system
Inventor: YOSHIZAWA HISASHI
IPC: B60M1/20
Filed: 2017-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a haulage vehicle and a transportation system in which replacement work of batteries can be reduced.SOLUTION: The haulage vehicle traveling in both of an electrified section and a non-electrified section is provided that comprises: a pantograph taking in electric power by contacting with a stringing; a storage battery charged by the electric power from the pantograph; a servomotor generating driving force of the haulage vehicle; and a control device for generating the driving force by supplying the electric power from the stringing to the servomotor and the storage battery via the pantograph in the electrified section and generating the driving force by discharging the electric power charged into the storage battery to the servomotor in the non-electrified section by charging the storage battery.SELECTED DRAWING: Figure 1
Patent JP-2017142249-A (JP)
Title: Inertia measurement unit
Inventor: CHRISTOPHER M GREGORY
IPC: G01P21/00
Filed: 2017-02-08
Abstract: PROBLEM TO BE SOLVED: To provide an inertia measurement unit using a thermal ramp compensation scheme.SOLUTION: The inertia measurement unit comprises: at least one inertia sensor 2 arranged to output an inertia ; a primary temperature sensor 6 spatially associated with each inertia sensor 2 and arranged to output a temperature measurement; and a processor 4 for receiving the output, wherein the processor 4 is arranged to differentiate the temperature measurement with respect to time so as to determine a temporal temperature gradient output. The inertia measurement unit can observe not only the absolute temperature but also the thermal gradient for further improving the performance of the inertia measurement unit (IMU) using the existing temperature sensor 6 (the plurality of them can be used). This technique is different from the conventional calibration technique adopted for the inertial sensor 2 and the IMU. That is, the temperature sensor 6 in the device is used (the plurality of the sensors 6 can be used) for determining not only a temperature output but also the temporal temperature gradient, one or both of which can be used for a parametric compensation.SELECTED DRAWING: Figure 1
Patent JP-2017178772-A (JP)
Title: Production method of group iii nitride crystal
Inventor: MORI YUSUKE
IPC: C30B29/38
Filed: 2017-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a production method of a GaN crystal by an oxide vapor growth process capable of reducing influence of oxygen or hydrogen on a GaN crystal to enhance crystal quality.SOLUTION: A production method of a GaN crystal includes a step for reacting GaOand a reducing gas or reacting Ga metal and an oxidizing gas to produce GaO gas as a starting Ga source 105, a step for supplying the GaO gas into a growth chamber 111, a step for supplying at least one gas to be oxidized selected from B gas, Ga gas, In gas, Tl gas, CHgas, and HCN gas from a supply port 113 of a gas to be oxidized, a step for supplying NHgas from a supply port 112 of a nitrogen-atom-containing gas, a step for reacting the GaO gas and the NHgas under an atmosphere of the gas to be oxidized to form a GaN crystal, a step for reacting the gas to be oxidized and an oxygen-atom-containing substance present in the growth chamber 111 to produce an oxide gas, and a step for discharging the oxide gas to the outside of the growth chamber.SELECTED DRAWING: Figure 2
Patent JP-2018129472-A (JP)
Title: Electromagnetic wave shielding film and printed wiring board with electromagnetic wave shielding film
Inventor: KATAGIRI WATARU
IPC: H05K1/02
Filed: 2017-02-10
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic wave shielding film and a printed wiring board with an electromagnetic wave shielding film, capable of preventing the malfunction of a sensor due to reflected light.SOLUTION: There are provided an electromagnetic wave shielding film and a printed wiring board with an electromagnetic wave shielding film using the same. The electromagnetic wave shielding film includes an insulating resin layer, a conductive layer adjacent to the insulating resin layer, and a carrier film adjacent to the opposite side to the conductive layer of the insulating resin layer. The arithmetic average roughness Ra of a surface on an insulating resin layer side of the carrier film is 0.2 μm or more and 2.5 μm or less, and the arithmetic average roughness Ra and an average length Rsm of a roughness curve element of the surface on an insulating resin layer side of the carrier film satisfy the relationship of Ra/Rsm=3.0×10or more and 50.0×10or less.SELECTED DRAWING: Figure 1
Patent JP-2017143267-A (JP)
Title: Solar cell and method of manufacturing the same
Inventor: CHUNG INDO
IPC: H01L31/068
Filed: 2017-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a solar battery and a method of manufacturing the same.SOLUTION: The method of manufacturing a solar cell includes forming a control passivation layer on a back surface of a semiconductor substrate containing impurities of a first conductivity type, forming an emitter region containing impurities of a second conductivity type opposite the first conductivity type and a back surface field region containing impurities of the first conductivity type on the control passivation layer, forming a passivation layer on the emitter region and the back surface field region, forming first and second openings in the passivation layer by using a pulse type laser having a continuously uniform intensity, forming a first electrode electrically and physically connected to the emitter region through the first opening, and forming a second electrode electrically and physically connected to the back surface field region through the second opening.SELECTED DRAWING: Figure 1
Patent JP-2018131913-A (JP)
Title: piston
Inventor: SATO RYOSUKE
IPC: F01N3/24
Filed: 2017-02-13
Abstract: PROBLEM TO BE SOLVED: To efficiently clarify a gas in accordance with deviation of temperature distribution or deviation of distribution of a gas component in the gas inside of a combustion chamber in a piston in which a catalyst component is disposed on a piston top face.SOLUTION: In a piston 10, a catalyst component for exhaust emission control is disposed on a piston top face 11. In the piston 10, a catalyst layer 20 comprises: a first catalyst part 21 including on a surface layer a first catalyst metal (a) provided in a part of the piston top face 11 and having a relatively low catalyst activation temperature; and a second catalyst part 22 including on a surface layer a second catalyst metal (b) provided closer to an outer edge 11a of the piston top face 11 than the first catalyst part 21 and having a relatively high catalyst activation temperature. It is preferable that the second catalyst part 22 is provided in an annular shape around the first catalyst part 21.SELECTED DRAWING: Figure 1
Patent JP-2018130224-A (JP)
Title: Inhalation device
Inventor: HASHIBA TOMOHIKO
IPC: B05B7/06
Filed: 2017-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an inhalation device capable of atomizing chemical liquid or the like in a set homogeneous particle diameter and capable of easily subjecting fine particles of the chemical liquid or the like to conditioning for imparting sustained-release properties, etc.SOLUTION: An inhalation device 1 includes: a fine particle generation nozzle 2; a classification container 10 for classifying the fine particles generated by the fine particle generation nozzle 2; at least one discharge part 28 for discharging ultrafine particles classified from the fine particles in the classification container 10; particle diameter setting means for setting the particle diameter of the ultrafine particles discharged from the discharge part 28; particle diameter detection means for detecting the particle diameter of the ultrafine particles discharged from the discharge part 28; and first gas pressure control means for controlling the pressure of the gas supplied to the fine particle generation nozzle 2 so that the particle diameter of the ultrafine particles detected by the particle diameter detection means becomes the particle diameter of the ultrafine particles set by the particle diameter setting means. The fine particle generation nozzle 2 can generate fine particles having a core-shell structure.SELECTED DRAWING: Figure 1
Patent JP-2018133971-A (JP)
Title: Drive device, drive system, image formation device, transportation device, and drive method
Inventor: YAMAMOTO NORIHIRO
IPC: H02P6/17
Filed: 2017-02-17
Abstract: PROBLEM TO BE SOLVED: To suppress generation of defects in PI control for converging an error between a motor angle and an estimation angle.SOLUTION: A drive device for driving a motor comprises: a first error detector that detects a first error between a motor angle of the motor and an estimation angle of the motor; a second error detector that detects a second error between the motor angle and an angle obtained by adding a first predetermined angle to the estimation angle; and a detection gain adjustment unit that adjusts detection gains of the first error and the second error so that a difference between the first error detected by the first error detector and the second error detected by the second error detector becomes a predetermined amount.SELECTED DRAWING: Figure 3
Patent JP-2017146603-A (JP)
Title: Adjusting mechanism of sample holder, microscope with adjusting mechanism, and method
Inventor: THOMAS KALKBRENNER
IPC: G02B21/26
Filed: 2017-02-17
Abstract: PROBLEM TO BE SOLVED: To provide an adjusting mechanism for properly correcting orientation of transparent objects present in a beam path or of a cover glass in a microscope system.SOLUTION: An adjusting mechanism 1 of a sample holder 6 includes: a base 2 with adjustable drives (5.1-5.3) arranged thereon; and coupling elements (4.1-4.3) configured to connect the base 2 and a carrier 3. The coupling elements each have both at least one linear degree of freedom and at least one rotary degree of freedom. The carrier 3 is linearly movable by means of the adjusting apparatus.SELECTED DRAWING: Figure 1
Patent JP-2018137343-A (JP)
Title: Printed circuit board and inverter
Inventor: MIYAZAKI HIROYOSHI
IPC: H05K1/14
Filed: 2017-02-22
Abstract: PROBLEM TO BE SOLVED: To suppress heat generation by reducing resistance value of a part of a printed circuit board regardless of a dedicated material.SOLUTION: The printed circuit board is provided that includes: a substrate; a first copper foil pattern which is formed on the surface of the substrate so that a current flows; and an auxiliary substrate which has a shape fit into the first copper foil pattern and in which a second copper foil pattern and a third copper foil pattern are formed on both faces. The face of the first copper foil pattern and the face of the second copper foil pattern are bonded by a conductive adhesive, and the second copper foil pattern and the third copper foil pattern are connected by a via penetrating through the auxiliary substrate.SELECTED DRAWING: Figure 1A