baber/WOPTO huggingface dataset:
Patent JP-2001074040-A (JP)
Title: Dynamic pressure bearing motor
Inventor: SEKI KENJI
IPC: H02K7/08
Filed: 1999-09-07
Abstract: PROBLEM TO BE SOLVED: To eliminate unbalance of shaft directional dynamic pressure, and to prevent leakage of lubricating oil held in a dynamic pressure bearing by extending introducing grooves almost parallel to a rotary shaft to end parts of dynamic pressure grooves. SOLUTION: Dynamic pressure groove parts 15 of two places are formed on an inner peripheral surface of a sleeve 6. Herringbone-shaped dynamic pressure grooves are formed in the dynamic pressure groove parts 15. Introducing grooves 16 almost parallel to the shaft direction are formed at the shaft directional end points 20, 21 of the respective dynamic pressure grooves. Since the introducing grooves 16 are formed almost parallel to a shaft, shaft directional dynamic pressure is not generated by a movement of the introducing grooves 16 at rotating time of a motor, so that even if there is a difference in the length between the upper/lower interoducing grooves 16, the difference does not induce unbalance of the shaft directional dynamic pressure. Thus, there is an effect of preventing leakage of lubricating oil held by a dynamic pressure bearing.
Patent JP-H07101534-A (JP)
Title: Waste tire feeder
Inventor: KAWASHIMA KENICHI
IPC: B65G47/28
Filed: 1993-10-08
Abstract: PURPOSE:To automatically align waste tires thrown in a storage hopper in a planar shape before being transported. CONSTITUTION:A hook-up conveyor 2 having projections 3 for engagingly locking waste tires 9 on its transport face is installed slantly upward diagonally from the bottom part of a storage hopper 1 in which waste tires are thrown. And a crankshaft 5 which is installed at a prescribed height in a space above the hook-up conveyor 2 is made to rotate in the direction reverse to that of the hook-up conveyor.
Patent JP-H02101828-A (JP)
Title: Distribution line carrier signal transmission/reception system
Inventor: KOMAZAWA SATOSHI
IPC: H04B3/54
Filed: 1988-10-08
Abstract: PURPOSE:To improve the reliability of signal transmission by eliminating a 3-phase noise component in the same direction of rotation as that of a commercial frequency in noises at a signal transmission band. CONSTITUTION:A phase rotation detection circuit 22 connected to each layer of a distribution line 21 detects the direction of phase rotation in a transmitter 20. Then a control section 23 injects a 3-phase pulse signal in the phase rotation opposite to that of the commercial frequency from an inverter circuit 24 via a coupling circuit 26 to a line 21. A receiver 30 receives a signal from distribution transformers 31R, 31S connected to the line 21 and retards the signal received from the phase R of the commercial frequency with an advanced phase for a period of 1/3 of the signal by a 1/3 period delay circuit 34. On the other hand, the signal from a retarded phase S is inverted by a phase inverting circuit 35, the two signals are combined by an adder circuit 36, then demodulated. Thus, 3-phase noise component is eliminated, the S/N is improved and the reliability is improved.
Patent JP-H0893005-A (JP)
Title: Noise preventive device for water flowing into storage tank, etc.
Inventor: TAKANO TSUNEO
IPC: F16L55/02
Filed: 1994-09-21
Abstract: PURPOSE: To allow water to calmly flow into a storage tank without generating noise and make the water supply stably without causing the surface level to move up and down. CONSTITUTION: In the body 1 of a water storage tank a silencing outer pipe 2 is furnished in the vertical positioning, wherein its bottom part is bent outward into a trumpet form 4, and the lower part of an water inlet pipe 5 is inserted in the upper part of the outer pipe 2 while a spiral water-introducing plate 6 is installed inside the inlet pipe 5. An inner pipe 7 with the top shaped as a cone 8 is provided as leading from right under the inlet pipe 5 to under the outer pipe 2, and the lower part of this inner pipe 7 is bent outward so that another trumpet part 9 is formed. The inlet pipe 5 is connected with an introduce pipe 10 which is intruded into the inside from the upper part of the tank body 1, and the influx water supplied flows out from between trumpet parts 4, 9.
Patent JP-H05130806-A (JP)
Title: Power transmission mechanism of combine
Inventor: NAKAOKA YOSHIHARU
IPC: A01D69/00
Filed: 1991-09-04
Abstract: PURPOSE:To compact power transmission mechanism, to improve degree of freedom of design and to reduce power loss. CONSTITUTION:A shaft 5b to be connected to an engine output shaft 5 is equipped with a driving gear 87, an input disc 89a of a ring cone speed changer 18 is provided with a passive gear 89 and both the gears 87 and 89 are connected to an intermediate gear 88. A pulley 21 fixed to an output shaft 20 of the ring cone speed change gear 18 is connected to an input side of a reaping part.
Patent JP-H0195813-A (JP)
Title: Composite die for extruding
Inventor: HASHIMOTO TAKASHI
IPC: B23K20/00
Filed: 1987-10-07
Abstract: PURPOSE:To provide a die with toughness, abrasion resistance and anti-seizing property by forming a die body from a steel material having toughness, forming an opening part from a specified composition of graphite crystallized high chrome cast iron material, diffusion-joining and integrating them. CONSTITUTION:This die is composed of an opening part 3 provided with an extrusion hole 4 and a die body 2 holding the opening part 3 on its circumference and both are diffused, joined, combined and integrated into one body. The die body 2 is formed from steel material having strong toughness high in fatigue strength, such as SCM material, SUT material, etc. The chemical composition in weight percentage of graphite crystallized high chrome cast iron material forming the opening part is specified as: 2.8-3.6% C; 4.5-10% Ni; 2.5-4.0% Si; 5-10% Cr; 0.5-1.5% Mn; 1.0-6.0% Mo; <=0.1% P; 0.8% S and the balance is substantially Fe. Accordingly, abrasion resistance is prepared by M7C3 high hardness Cr carbide and Mo carbide produced in the base while part of crystallized graphite acts as lubricant and is provided with anti- seizing property.
Patent JP-H07111003-A (JP)
Title: Disk cartridge loader
Inventor: TERAJIMA TAKAO
IPC: G11B17/043
Filed: 1993-10-08
Abstract: PURPOSE:To surely insert only a disk cartridge formed with a projecting part at one corner without upsizing. CONSTITUTION:When a magneto-optical disk cartridge 10 is inserted in the normal direction into a holder 15, in the process of insertion, a slant projection part 10b formed at one corner of the magneto-optical disk cartridge 10 is brought into contact with a restraining pin 22 which slides in an approximately orthogonal direction to the disk cartridge inserting and ejecting directions, and the restraining pin 22 is moved into the holder 15 to allow the magneto- optical disk cartridge 10 to be inserted into a prescribed position. A disk cartridge without having this slant projection part 10b is prevented from inserting by the restraining pin 2.
Patent JP-H08116056-A (JP)
Title: Voltage-driven type semiconductor device and power converter using it
Inventor: INABA MASAMITSU
IPC: H01L29/08
Filed: 1994-10-19
Abstract: PURPOSE: To reduce the on-resistance of MOSFET and IGBT having a high withstand voltage by providing a means for increasing the diffusion resistance of an injection carrier diffused into a source and a body. CONSTITUTION: The area of a body 2 into which a hole flows is narrowed and an n-drain 3 region in the vicinity of the p-body 2 is narrowed by a trench gate 8 in order to increase the diffusion resistance of an injection carrier. For that reason, since the diffusion resistance is increased, the diffusion velocity of a hole is lowered and the hole is accumulated in the drain region in the vicinity of the p-body 2. On the other hand, since a channel is formed by the voltage of the trench gate electrode 8 and in electron flows, the electron flows through the drain region 3 independent of the diffusion resistance.  As a result, the plasma state of the high density of an electron and a hole is realized in the drain region 3 and in cooperation with the injection effect of a hole from a p<+> gate layer 5, electric conductivity modulation is accelerated, thereby being able to reduce on-resistance.
Patent JP-2000062605-A (JP)
Title: Method and device for detecting brake defect for vehicle anti-skid hydraulic pressure control device
Inventor: TANAKA KATSUMI
IPC: B60T8/88
Filed: 1998-08-24
Abstract: PROBLEM TO BE SOLVED: To judge that a system not anti-skid controlled as a defect by detecting that only the wheel cylinder of the wheel of one system is anti-skid controlled, and detecting that the wheel speed of the wheel of the system not anti-skid controlled is within a prescribed range. SOLUTION: When a control is started (A), depression of a brake pedal is detected (B), and it is judged whether only one system is under anti-skid (ABS) control or not (C). It is whether the body speed is larger than a set minimum value or not (B), and it is also judged whether it is under the control of 2 cycles or more (E). Further, it is judged whether the wheel speed not under control is within a prescribed range or not (F). Namely, since a slight difference in wheel speed is caused when the brake piping of the front wheel system is defective, the brake defect of the front wheel system is judged. According to this, the brake defect of a control device having two brake systems can be quickly and surely detected.
Patent JP-H0195909-A (JP)
Title: Tread pattern suppressing uneven wear
Inventor: NAKAMURA HIROSHI
IPC: B60C11/01
Filed: 1987-10-07
Abstract: PURPOSE:To promote the prevention from shoulder dropping wear by forming a crown, defined by a radius of curvature in a tread width direction, in a tread surface larger in a shoulder area than in a center area further tilt grooves in the shoulder area. CONSTITUTION:A tread 1 provides two or more main grooves 2 extending along the peripheral direction. A tire respectively sets an area, interposed by both side shoulder parts 3 and outermost main grooves 4 being the main groove 2 most approaching the shoulder part 3, to a shoulder area 5 further an area in the tread central part, interposed by the outermost main grooves 4, to a center area 6. Here the shoulder area 5 parallelly forms many shallow tilt grooves 7 which extend in a width direction of the tread 1 gradually deepening toward the shoulder part 3. While forming a radius of curvature of the center area 6 in the section of diametric direction, when assumed Rc for crown further R1 for crown in a protrusive part 8 in the shoulder area 5, respectively, the radius of curvature is set to a relation where R1>Rc.
Patent JP-H06104300-A (JP)
Title: Equipment and method for attaching bonding tape
Inventor: MAGARA KAZUHIRO
IPC: H01L21/52
Filed: 1992-09-24
Abstract: PURPOSE:To attach a die-bonding tape to a substrate without generating any wrinkling, in an equipment and a method for attaching the die-bonding tape to the substrate prior to bonding of a semiconductor chip. CONSTITUTION:A suction face 3a of a suction head 3 has a curved surface like a side face of a cylinder. On the suction face 3a, one end of each of several suction holes 3b is opened. The other ends of these suction holes 3b are integrated into one and the integrated end communicates with an electromagnetic selector valve 4. The electromagnetic selector valve communicates with a vacuum source and an air supplying source. After the suction head 3 a die-bonding tape with the suction face 3a by vacuum suction force and then carries it onto a substrate, vacuum suction is canceled and at the same time, air is jet out from the suction face to attach the die-bonding tape on the substrate tightly.
Patent JP-H03115349-A (JP)
Title: Hydrogenated vinyl arom. hydrocarbon polymer composition, and optical disc board
Inventor: TANAKA EIJI
IPC: G11B7/2533
Filed: 1989-09-28
Abstract: PURPOSE:To prepare a polymer compsn. excellent in the heat resistance, optical properties, and adhesion to a recording film layer and suitable for an optical disc board by compounding a hydrogenated vinyl arom. hydrocarbon-conjugated diene block copolymer a hydrogenated vinyl arom. hydrocarbon polymer, etc. CONSTITUTION:The title compsn. comprises 10-100wt.% vinyl arom. hydrocarbon-conjugated diene block copolymer (A) wherein 75-98mol% of the total double bonds and arom. rings in the polymer have been hydrogenated; 0-95wt.% vinyl arom. hydrocarbon polymer (B) wherein 80mol% or higher of the arom. rings have been hydrogenated; and/or 0-20wt.% satd. hydrocarbon resin (C) having a number-average mol.wt. of 500-5000 and a softening point of 40 deg.C or higher, wherein the sum of B and C is higher than 0wt.%.
Patent JP-H0988899-A (JP)
Title: Oil diffusion vacuum pump
Inventor: TERAKURA IKUTAKE
IPC: F04F9/00
Filed: 1995-09-29
Abstract: PROBLEM TO BE SOLVED: To provide an oil diffusion vacuum pump of constant temperature control system which generates no oil pollution even when a disturbance is generated. SOLUTION: The temperature in the vicinity of a boiler part of an oil diffusion pump is measured to adjust the power supply to a heater 13 of the boiler part by the constant temperature control system. The constant temperature control is made by controlling the power supply so that the measured temperature is the set value stored in a first memory 31, but even when the condition in which the measured temperature exceeds the set value is continued, the minimum oil heating is continued to constantly keep appropriate discharge capacity by supplying the power over the minimum keeping power stored in a second memory 32.
Patent JP-H0196926-A (JP)
Title: Lamp heating
Inventor: SUZUKI MASAFUMI
IPC: G01J5/00
Filed: 1987-10-09
Abstract: PURPOSE:To control correctly the temperature of a substance to be heated, by arranging a filter where a hole is formed at a center between infrared ray lamps and the substance to be heated and controlling the intensity of its lamp, thereby measuring the temp. of a wavelength band of infrared rays which are cut off by a filter out of the infrared rays radiated from the substance to be heated through the above hole. CONSTITUTION:Being corresponding to rings of infrared ray lamps 16, silica glass plates 14 having a hole 15 at the center between the above plates are arranged between the lamps 16 and a wafer 12 to cut off wavelengths of the infrared rays 4mum or more out of the rays radiated by the lamp 16. In this way, the wafer 12 is heated by receiving the irradiation of the infrared rays and the wafer itself irradiates the infrared rays. The infrared rays irradiated in this way are detected by an infrared sensor 20 through the hole 15 as well as a view point 19. The infrared rays having their wavelengths 4mum or less not only contribute to heating the wafer but also are reflected by the wafer 12 to reach the infrared ray sensor 20. Out of the infrared rays irradiated from the wafer 12, as to the rays having their wavelengths 4mum or more which are not used for heating, the intensity of them are measured. Accordingly, a temp. of the wafer itself is detected and is inputted in a control circuit which is not indicated in Fig. and the intensity of infrared ray lamp 16 is controlled by the wafer 12.
Patent JP-H07254713-A (JP)
Title: Insulated gate field effect semiconductor device
Inventor: YAMAZAKI SHUNPEI
IPC: H01L21/762
Filed: 1994-09-26
Abstract: PURPOSE:To improve the high-frequency characteristics of an insulated gate field effect semiconductor device by crystalizing only a channel formation area with a short range. CONSTITUTION:First and third semiconductors 13 and 15 are piled up on a substrate, and a fourth semiconductor consisting of a semiamorphous semiconductor which has an intermediate property between a single crystal semiconductor and a non-single crystal semiconductor is adhered on the laminated body, thus providing a gate insulation film and a gate electrode covering the fourth semiconductor. In addition, channel formation areas 9 and 9' which are formed by the fourth semiconductor 25 in a source area and adjacent to the end part of a drain area are transformed into such grains that carriers moving in the areas 9 and 9' will not cross the grain boundary.
Patent JP-H0672091-A (JP)
Title: Sheet conveyance device
Inventor: OGASAWARA TSUTOMU
IPC: H04N1/00
Filed: 1992-08-28
Abstract: PURPOSE:To provide a sheet conveyance device which is enhanced in conveyance performance and stable by preventing the sheet from being leaned to the lower part of a roller when the sheet wound around the roller is conveyed. CONSTITUTION:A sheet 4 is wound around a driving roller 1 and a plurality of driven rollers 2a, 2b, 2c and transferred. In the sheet conveyance device, projecting parts 3 projected from the outer circumferential face of the roller are provided in the right place of the center in the axial direction of at least one roller selected from among the driving roller and the driven rollers.
Patent JP-S63108278-A (JP)
Title: Low temperature storage testing method for semiconductor device
Inventor: TAKIGUCHI MICHIAKI
IPC: G01R31/26
Filed: 1986-10-24
Abstract: PURPOSE:To prevent the surface metallic part of a semiconductor element from corroding after a low temperature storage test by filling a tray with gas which has a dew point below low-temperature storage test temperature after storing a semiconductor, sealing the tray, and putting the device in the low-temperature tank and taking the test. CONSTITUTION:The semiconductor device 4 is put in the tray together with gas such as nitrogen and argon which has a dew point below the low- temperature storage temperature, and this tray 3 is installed in the low temperature tank 1 and held at low temperature to take the test. The tray 3 is taken out after the test and held at room temperature, and then the semiconductor device 4 is taken out of the tray 3. Consequently, no water is condensed on the semiconductor device and the case of the semiconductor device is prevented from corroding.
Patent JP-H0195960-A (JP)
Title: Brake device
Inventor: TAKEDA KENJI
IPC: B60T8/42
Filed: 1987-10-08
Abstract: PURPOSE:To optimize distribution of a brake power to front and rear wheels, by a method wherein, in a brake device having the brake system of a diagonal piping, a P valve (proportioning valve) is situated in a brake piping on the rear wheel side, and is controlled according to the degree of excess of the brake force of rear wheels. CONSTITUTION:In a device in which a brake oil pressure is fed from a master cylinder A through the same hydraulic system to the wheel cylinder of each of front and rear wheels, first and second detecting means B1 and B2 to detect the wheel speed of each of the front and the rear wheels are provided. An oil pressure regulating mechanism C to increase and decrease a brake oil pressure is located in the middle of the hydraulic system, and based on each of detected wheel speeds, the oil pressure regulating mechanism is controlled by a brake force control means D. A brake oil pressure fed to the rear wheel cylinder is decreased by means of given proportioning characteristics. A P valve E to change a ratio of a brake oil pressure to be supplied according to an external input is provided, and the ratio is controlled according to an evaluation result of the degree of excess of the brake force of the rear wheel by means of a P valve control means F.
Patent JP-H03116888-A (JP)
Title: Semiconductor integrated laser
Inventor: NOGIWA SEIJI
IPC: H01S5/227
Filed: 1989-09-29
Abstract: PURPOSE:To obtain a semiconductor integrated laser which is simple in structure, oscillates stably in a spectrum of narrow width, and is easily controlled in oscillation light by a method wherein the semiconductor integrated laser is so structured that a buried layer is controlled in optical characteristics by applying an electrical field or a current to it. CONSTITUTION:An active layer 1 and a optical guide layer 2 are buried in a buried layer used for trapping a bias current or a P-type layer 8, a multi- quantum well layer 9, and an N-type layer 10. The N-type layer 10 is connected to a control electrode 13 through the intermediary of a P-type layer 11 and a P-type ohmic contact layer 12. Furthermore, an insulating film 6 of channel type is provided to electrically insulate a bias electrode from the control electrode 13, and a P-type layer 3 and an ohmic contact layer 5 from the P-type layer 11.
Patent JP-H1198694-A (JP)
Title: Power linkage interchange command apparatus
Inventor: HARADA YASUSHI
IPC: H02J3/38
Filed: 1997-09-19
Abstract: PROBLEM TO BE SOLVED: To suppress the shares of the utility unbalance of a plurality of power utility systems and suppress frequency fluctuations by a method, wherein powers are interchanged between the respective power utility systems. SOLUTION: A power utility system 1a has a load, a generator and a utility control system. A utility control system 4a calculates the difference between a load power and a generated power, and the calculated result is used as a utility unbalance value. Further, the utility control system 4a draws up a generation command, in order to make the utility imbalance value as close to zero as possible. The power utility system 1b has a similar structure. An interchange command determination device 11 obtains utility unbalance values 7a and 7b from the utility control systems 4a and 4b respectively. The sum of the utility imbalance values 7a and 7b is multiplied by a responsibility sharing factor to obtain a responsibility sharing value 13a of the power utility system 1a as a result.  Then the utility unbalance value 7a is deducted from the proper utility imbalance sharing value 13a, and the deduced result is used as an interchange command to a DC linkage system.
Patent JP-H02102112-A (JP)
Title: Production of silica alumina precursor sol
Inventor: IKOMA HIDEYUKI
IPC: C01B33/12
Filed: 1988-10-12
Abstract: PURPOSE:To obtain the subject spinnable precursor sol giving a filament by calcination by reacting an Al-alkoxide with a compound having active hydrogen, mixing the reaction mixture with an Si alkoxide (derivative) giving a ceramic having restricted silica content by calcination and hydrolyzing the obtained mixture. CONSTITUTION:A reaction mixture is produced by reacting an Al-alkoxide [e.g., (CH3)3Al] with 0.6-2.7mol (in terms of active hydrogen) of a compound having active hydrogen (e.g., monoethanolamine). The obtained reaction mixture is mixed with an Si-alkoxide and/or its derivative of an amount to give a calcined ceramic having a silica content of <=40wt.%. The resultant mixture is hydrolyzed with 0.5-1.5mol of water based on 1mol of the total alkoxide preferably in the presence of an organic solvent. A silica alumina precursor sol having chemical stability and a viscosity suitable for spinning can be produced by this process. A silica alumina filament can be easily and efficiently produced by the spinning, drying and calcination of the sol.
Patent JP-H04133869-A (JP)
Title: Toe angle adjusting method
Inventor: WAKAMORI TAKEHISA
IPC: B62D17/00
Filed: 1990-09-25
Abstract: PURPOSE:To facilitate adjustment of a toe angle and automation by obtaining a modified value from measurement of the toe angle at setting wheels in the straight going direction, steering wheels so as to displace tie rods in the outside direction of a vehicle, and adjusting the tie rods based on the modified value. CONSTITUTION:At adjusting a toe angle in a steering mechanism 10, at first a steering wheel 12 is rotationally moved to set the vehicle in the straight going direction. Nextly, the toe angle of wheels 24a, 24b is measured, and a modified value for rotational moving tie rod adjusting members 28a, 28b to change this toe angle to a desired angle is obtained. Nextly, the wheels 24a, 24b are deflected in one direction to adjust toe angle. Namely, when the wheels 24a, 24b are deflected right and left, the adjusting part 30a of the tie rod adjusting member 28a is placed in the condition confirmable from outward. In this condition, a locknut is loosened, the adjusting part 30a is rotationally moved by a value corresponding to the modified value, and the lock nut is tightened.