baber/WOPTO huggingface dataset:
Patent JP-H08170598-A (JP)
Title: Centrifugal compressor
Inventor: OMURA KATSUYA
IPC: F04D29/30
Filed: 1994-12-16
Abstract: PURPOSE: To reduce pressure loss caused by leakage, and to minimize generation of a vortex by a secondary flow so as to transmit energy from an impellet to gas efficiently by decreasing the quantity of gas flowing through a clearance between the impeller and a casing. CONSTITUTION: In a centrifugal compressor including an impeller 1 for increasing the energy of gas by centrifugal action, and a diffuser 8 formed by two faces opposite to the downstream of the impeller 1, a groove 11 is formed on the end part of the impeller 1, whereby gas leaking from a clearance between the impeller 1 and a casing 6 can be decreased so as to prevent lowering of efficiency of the diffuser 8 of the impeller 1.
Patent JP-H0773869-A (JP)
Title: Forming method for positive electrode active material layer and positive electrode plate for secondary battery
Inventor: MAEJIMA TOSHIKAZU
IPC: H01M4/04
Filed: 1993-12-14
Abstract: PURPOSE:To provide a positive electrode active material layer in which the utilization of a positive electrode active material is enhanced and stress produced by expansion/contraction of the positive electrode active material is relaxed to lengthen the cycle life. CONSTITUTION:A dispersion aqueous solution is prepared by dispersing conductive fine powder insoluble to water in an aqueous solution containing a water soluble active material which forms xerogel when dried (V2O5) in a ratio to the water soluble material of 15wt.% or more but 40wt.% or less. The dispersion aqueous solution is applied to a current collector 3, and dried to form a positive electrode active material layer 4. Irregular layer structure is formed along the outer circumference of the conductive fine powder. The diffusing performance of a negative electrode active material into the positive electrode active material layer is increased and stress produced by charge/discharge inside the positive active material layer is dispersed.
Patent JP-2001132515-A (JP)
Title: Electronic throttle control device
Inventor: ISHIDA KATSUMI
IPC: F02D41/14
Filed: 1999-11-04
Abstract: PROBLEM TO BE SOLVED: To improve responsiveness of an electronic throttle surely when the target opening opens and closes exceeding the opening of an opener in an electronic throttle with an opener mechanism. SOLUTION: An electronic throttle control device is provided with an electronic throttle 2 including an opener mechanism 1 and an electronic control unit(ECU) 3 to control the electronic throttle 2. The opener mechanism 1 holds a throttle valve 5 in such an opener opening that opens a little from a total closing state when the electricity to a motor 6 is turned off. When the target opening to be set by the detected value of an accelerator sensor 9 is changed to exceed the opener opening, the ECU 3 determines the time when the actual opening to be detected by a throttle sensor 7 reaches the opener opening. When it is determined, the controlling quantity to perform PID control for the motor 6 can be corrected by a prescribed correcting quantity.
Patent JP-H03172736-A (JP)
Title: Particle analyzing device
Inventor: MIYAMOTO MORITOSHI
IPC: G01N15/14
Filed: 1989-12-01
Abstract: PURPOSE:To take an accurate measurement in a short time by switching irradiation light to plural positions along a flow of fluid and making a scan with the irradiation light at right angles to the flow of fluid. CONSTITUTION:The laser beam L from a laser light source 2 travels on an optical axis 01 and is deflected by a polygon mirror 9 which has six reflecting surfaces 9a - 9f increasing in perpendicular tilt angle equally and rotates at a constant speed as shown by an arrow to travel on an optical path 02, thereby irradiating the distribution part 1a of a flow cell 1 through an aperture 10. Consequently, the light makes a scan at right angles to the flow of the fluid. The aperture 10 is used to transmit only luminous flux irradiating the flow cell 1 selectively among reflected light beams. Front scattered light from a particle to be measured is passed through a stopper 5, converged by an objective lens 6, and detected by a photodetector 7, whose photodetection quantity is processed by a signal processor 8 into necessary information on the particle to be inspected.
Patent JP-H03174497-A (JP)
Title: Liquid detergent composition
Inventor: ISHIKAWA SATOYUKI
IPC: C11D3/37
Filed: 1989-12-01
Abstract: PURPOSE:To obtain a liquid detergent composition which hardly undergoes filming during storage by adding a specific sugar ester-based surfactant and polyethylene glycol. CONSTITUTION:1-30wt.% sugar ester-based surfactant made of an ester of a 6-18C fatty acid and a 5-6C fructose or its monoalkyl ether and 0.5-5wt.% polyethylene glycol with a degree of polymerization of 3 to 226 (molecular weight: 194-10006) are added to obtain a liquid detergent composition. Due to the co- presence of the sugar ester-based surfactant and the polyethylene glycol, this liquid detergent composition hardly undergoes filming during storage, and has, for example, the effect of preventing the capped mouth of a detergent container from being clogged.
Patent JP-H02158418-A (JP)
Title: Radiator supporting structure for automobile
Inventor: TAKAGI MINORU
IPC: B62D25/08
Filed: 1988-12-13
Abstract: PURPOSE:To keep off any lost motion or the like due to vibration. etc., in a car body simply and positively by supporting an upper part of the radiator on a hood panel reinforcement via an elastic body when a hood panel is locked. CONSTITUTION:A radiator 5 is held between a bracket 2 at the upper side joined to a radiator core support upper 1 and a bracket 3 at the lower side joined to a first cross-member 3 by means of engagement between a pin 6 and a through hole 7 in a state of having an insulator 8 interposingly installed. In the above structure, an elastic body 15 of rubber material or the like is tightly attached to a part corresponding to a tip part of the bracket 2 in a hood panel reinforcement 11 on the back of a hood panel 10. When this hood panel 10 is closed and a hook lock 14 and a striker 13 are engaged with each other, the elastic body 15 is made contact with the bracket 2, and the radiator 5 is held down from the upside.
Patent JP-H07169708-A (JP)
Title: Manufacture of quartz glass wafer boat carrying jig
Inventor: SAITO MASAYUKI
IPC: B65G49/07
Filed: 1994-11-25
Abstract: PURPOSE:To increase the mechanical strength of the part of a wafer boat carrying section where the bending moment becomes the maximum by controlling the length of the part and its vicinity to a specific ratio to the total length of the holding section and making the thickness of the part ticker than that of the other part by a thickening method. CONSTITUTION:The thickness of each part of a wafer boat carrying jig is set in such a way that the thickness of its main body 1 is set at about 4.5mm and that of the front end portion of its wafer boat holding section 2 is set at about 4.5mm, and then, that of its thick section 3 is set at about 7.5mm. The thick section 3 is formed by a thickening method. In addition, the length of the thick section 3 is controlled to about 1/4 to 1/2 of the total length of the holding section 2 and the section 3 is provided toward the front end from a point near the part A where the bending moment becomes the maximum.
Patent JP-2000143331-A (JP)
Title: Production of beta aluminous sintered compact
Inventor: UEMATSU HIDEKI
IPC: C04B35/113
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To obtain a dense sintered compact having excellent mechanical strengths by using water as a solvent in one process among a process for mixing raw material powder composed of zirconia powder, beta alumina powder and at least one kind of a sodium compound, a lithium compound and a magnesium compound, a grinding process and a process for preparing a slurry and by using zirconia powder containing a sodium component in a specific ratio. SOLUTION: The sodium component content of zirconia powder is >=0.2 pt.wt. calculated as sodium oxide. In the case of <=5.1 μm particle diameter of zirconia powder, the content of sodium component is preferably 0.2-6.1 pts.wt. calculated as sodium oxide. In the case of <=0.8 μm particle diameter, the content of sodium component is more preferably 0.2-3.0 pts.wt. The sodium component removed as an impurity in a zirconia production process is intentionally made to remain, dispersion characteristics of zirconia are changed to improve dispersibility of zirconia powder in a strongly alkali aqueous slurry and to better the mechanical strengths of beta aluminous sintered compact.
Patent JP-H05149363-A (JP)
Title: Air spring and its manufacture
Inventor: IENAKA MAKOTO
IPC: B61F5/10
Filed: 1991-11-28
Abstract: PURPOSE:To reduce an attaching space without reducing an effective pressure bearing area by providing a movable cylindrical body whose upper and lower end parts are severally air-tightly connected to upper and lower face plates, and forming reinforcing beads buriedly provided at the end parts of the cylindrical body into a noncircular shape. CONSTITUTION:The upper and lower end parts of a movable cylindrical body 3 are severally air-tightly connected to upper and lower face plates 1, 2, and reinforcing beads 4 formed of a steel cord buriedly provided at each end part are formed into a ellipse-shape along the outer peripheral face of the projecting stripes 1a, 2a of the face plates 1, 2, and the horizontal outline of the movable cylindrical body when internal pressure is in a charged state is elliptically formed. The movable cylindrical body 3 can secure a wide effective pressure bearing area similar to an area in the cease where it is connected to the face plates 1, 2 as it is kept in a cylindrical shape by the above formation, and can be attached on an anisotropic narrow space. In the case of manufacturing an air spring, the movable cylindrical body 3 is cylindrically formed, and buriedly provided with a circular reinforcing bead 4 at its upper and lower end parts by welding and vulcanizedly formed, and then deformed into an elliptical shape along the projecting stripes 1a, 2a, and air-tightly connected to the face plates 1, 2.
Patent JP-H09133889-A (JP)
Title: Reflection type scanning optical system
Inventor: IIZUKA TAKAYUKI
IPC: G02B17/00
Filed: 1995-11-08
Abstract: PROBLEM TO BE SOLVED: To freely set the powers of two curved surface mirrors and then make the optical system small in sized by providing a toric lens between the 2nd curved surface mirror and a surface to be scanned. SOLUTION: Laser light emitted from a light source part 1 composed of semiconductor laser 1a and a collimator lens 1b is passed through an objective 2 and a cylindrical lens 3 and reflected and deflected by a polygon mirror 4. The laser light which is returned toward a drum 8 as the surface to be scanned is returned by the 1st curved surface 5 toward the polygon mirror 4 and then returned by the 2nd curved surface mirror 6 toward the drum 8 again. The reflected light from the 2nd curved surface mirror 6 forms a spot scanning in a horizontal scanning direction on the drum 8. In this case, the 1st and 2nd curved surface mirrors 5 and 6 are so arranged as to separate the optical path of the incident light and the optical path of the reflected light in a vertical scanning direction.
Patent JP-H06163274-A (JP)
Title: Cylindrical rotary transformer
Inventor: KOGA TOSHIAKI
IPC: H01F38/14
Filed: 1992-11-25
Abstract: PURPOSE:To obtain a 3-layered cylindrical system rotary transformer having sufficient strength that a core is not damaged at the time of high speed rotation, i.e., high centrifugal force rotation, regarding a rotary transformer applied to a VTR. CONSTITUTION:This cylindrical rotary transformer is constituted as a 3-layered structure by using an outer core 6, a center core 8 and an inner core 9. The outer core 6 and the inner core 9 are rotary cores, to which stiffeners 7, 10 are added, respectively. The center core 8 is the fixed core.
Patent JP-H04185263-A (JP)
Title: Cooling apparatus of wheel motor
Inventor: WAKUTA SATOSHI
IPC: H02K9/19
Filed: 1990-11-20
Abstract: PURPOSE:To effectively cool a coil without limiting an installation space by providing a heat inlet part of a heat pipe to a certain area allowing flow of oil within an oil path cover and arranging a heat radiating part to an empty space outside the oil path cover. CONSTITUTION:An oil sent from an oil reservoir by an oil pump motor is supplied to an oil path. An oil path cover 14 forming the oil path is provided with a cooling fin and when the oil rises through the oil path, the oil path is cooled by heat radiation through the cooling fin. Moreover, the oil path cover 14 is provided with a heat pipe 17. This heat pipe 17 is provided in both right and left sides of the oil path cover 14, its heat radiating part is arranged in the empty space outside the oil path cover and a fin 17a is also provided. In addition, the heat inlet part is arranged in the area allowing flow of oil in the vicinity of an inlet port 14a within the oil path cover in order to take the heat. Thereby, any restriction is not given to the installation space.
Patent JP-H06157517-A (JP)
Title: Phenylpyrimidine derivative containing optically active lactone ring and liquid crystal composition
Inventor: TAKEHARA SADAO
IPC: C07D307/33
Filed: 1992-11-25
Abstract: PURPOSE:To obtain the subject new derivative useful for a liquid crystal, having excellent compatibility with other liquid crystal compounds, capable of inducing large spontaneous polarization only by addition of a small amount as a chiral dopant, responding at high speed in a wide temperature 'range, having excellent orientation. CONSTITUTION:A phenylpyrimidine derivative containing optically active lactone ring of formula I [R<1> is F or (1-10C alkoxy-substituted)alkyl; X is single bond or O; (m) is 0 or 1; ring A is (F-substituted)1,4-phenylene or trans-1,4- cyclohexylene; R<2> is 1-10C alkyl and asymmetric carbon atoms at the 2-and the 4-positions are independently in (R) or (S) configuration, respectively] such as (2R,4R)-2-[4-(5-octylpyrimidin-2-yl)phenyl]-4-decanolide. The compound of formula I is obtained by reacting a new optically active compound of formula II (Y is halogen) with a compound of formula III (Z is halogen). The compound of formula I is useful as a material for ferroelectric liquid crystal display having especially excellent response and memory.
Patent JP-H07164418-A (JP)
Title: Production of ceramic green sheet
Inventor: SHIBATA TOSHIHARU
IPC: B28B1/30
Filed: 1993-12-15
Abstract: PURPOSE:To produce a ceramic green sheet excellent in dimensional stability hardly generating shrinkage even when heated in a process after the delivery from a reel. CONSTITUTION:A ceramic green sheet 3 is formed on a support film 1 and subsequently wound round a reel 5 while cooled by a cooling device 4.
Patent JP-H06163263-A (JP)
Title: Connection device of electronic parts
Inventor: SAGARA IWAO
IPC: H05K3/32
Filed: 1992-11-25
Abstract: PURPOSE:To facilitate detaching of an electronic parts main body, improve detaching workability, and prevent the damage of the electronic main body due to thermal load or the like. CONSTITUTION:A part of a core around which a lead wire is wound is covered with molded insulator 13, by exposing a part of an electrode part 10 of an electrode plate 7 bonded to both end surfaces. In a small path part 14 which is formed in the molded insulator 13 so as to be in a recess type along the peripheral direction of the core 11, a magnetic molded body 15 containing magnetic material powder is formed so as to have the same surface as the molded insulator 13. The electrode part 10 exposed from the molded insulator 13 is bent toward a surface side along the outer periphery of the molded insulator 13 so as to face the surface, thereby forming an electronic main body 17. On the surface of a board 20 composed of insulating material, a thin magnetic film 25 composed of magnetic material is formed in an insulating part 24 between rounds 22 and 22 of an electrically wired pattern. The electronic parts main body 17 is layed between the rounds 22 and 22, and fixed to a circuit board 19 by magnetic force of the magnetic molded body 15 and the magnetic.
Patent JP-H04184495-A (JP)
Title: Voice recognition device
Inventor: KIYAMAZAWA HIROYUKI
IPC: G10L15/24
Filed: 1990-11-20
Abstract: PURPOSE:To allow the easy detection of voice sections without depending on ambient noise levels by determining the change rate of the output of a distance sensor which measures the distance from the lips of a speaker, comparing a reference value and detecting the voice sections. CONSTITUTION:The distance form the lips of the speaker is measured from the distance sensor 1 and this signal is sent to a differentiating circuit 2 where the change rate of the distance from the lips of the speaker is determined. This change rate is sent to a rectifier circuit 3. The output of the differentiating circuit 2 is subjected to rectification in this circuit. The signal is sent to a voice section detecting section 6 after the higher harmonic wave component is removed therefrom in a smoothing circuit 4. The inputted signal and a reference value are compared. A voice section segmenting section 7 segments the voices inputted from a microphone 6 upon receipt of the output of the voice section detecting section 5 and transfers the voices to a recognizing section 8. The recognizing section 8 recognizes the output of the voice section segmenting section 7 and outputs the result of the recognition. The voice sections are exactly detected in this way without being affected by the ambient noise levels at all.
Patent JP-H09158082-A (JP)
Title: Water-absorbing sheet
Inventor: OKU YASUYUKI
IPC: D01F8/14
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To prepare a water-absorbing sheet having excellent water- absorptivity, mechanical properties such as bending strength and dimensional stability and exhibiting good processability. SOLUTION: The objective water-absorbing sheet contains hydrophilic modified cross-section fibers having one or more continuous or discontinuous grooves on the surface and binder fibers, having a density of 0.25-0.4g/m<3> , ratio of the binder fiber to the total solid component of 15-25wt.% and a fineness of the binder fiber of >=3de. As an alternative, the objective water-absorbing sheet contains hydrophilic modified cross-section fibers having one or more continuous or discontinuous grooves on the surface, binder fibers and highly elastic fibers and has a density of 0.25-0.4g/m<3> , ratio of the binder fiber to the total solid component of 15-25wt.% and a fineness of the binder fiber of >=3de. The modified cross-section fiber is preferably a polyvinyl alcohol fiber.
Patent JP-H01157475-A (JP)
Title: Lightweight cellular concrete having high heat insulating property
Inventor: KAMAKURA SHOJI
IPC: C04B38/08
Filed: 1987-12-14
Abstract: PURPOSE:To form noncombustible lightweight cellular concrete having low sp. gr., practical strength and high heat insulating property and easily incorporable into the wall of a building, etc., by mixing a hydraulic material such as concrete with a lightweight org. foamed body. CONSTITUTION:A hydraulic material such as concrete, motar or cement paste is mixed with gas and lightweight org. foamed body to form lightweight cellular concrete. Foamed resin or foamed rubber such as polystyrene, PE, PP or polyurethane may be used as the org. foamed body. The foamed body has the shape of beads or other regular shape or may be non fixed shape.
Patent JP-H11147412-A (JP)
Title: Controller for suspention unit in vehicle
Inventor: OGAWA KAZUO
IPC: B60G17/015
Filed: 1997-11-17
Abstract: PROBLEM TO BE SOLVED: To maintain good ride comfort even in high-frequency vibrations by giving the damping force by the pneumatic spring in the suspension unit against vibrations of the vehicle body, while always keeping high drivability. SOLUTION: When the spring characteristics of a pneumatic spring are set to 'soft' with chambers 12a and 12b connected, a vehicle body BD vibrates with an amplitude larger than the predetermined value a relative to a lower arm 12 and a wheel WH, and when the pneumatic spring 12 is in the most extended or compressed state in a vibration cycle, the chambers 12a and 12b are made disconnected by a microcomputer 22 and the spring constant is then switched from 'soft' to 'hard'. After the switch, in the course of the vehicle body BD recovering to the center point of the vibration, the chambers 12a and 12b are made connected by the microcomputer 22, with the spring characteristics returning from 'hard' to 'soft'.
Patent JP-H09157917-A (JP)
Title: Glove
Inventor: HIDEKUMA KIYOKO
IPC: A41D19/00
Filed: 1995-12-05
Abstract: PROBLEM TO BE SOLVED: To provide a glove capable of forming air passage inside the glove, stimulating ventilation and discharging sweat outside the glove by the motion of the hand by placing rod-shaped bodies inside the glove each with one end at a root of a finger at the back side of the hand, and the other end near the inlet opening the back side of the hand. SOLUTION: This glove 1 has no air passage other than the inlet opening 1b of a hand. Freely flexible rod-shaped materials 2 such as pipes with air- passing holes formed at the tube walls are placed inside a glove 1 in such a manner that one end 2a of each pipe is placed near the root 1a of a finger at the back side of a hand and the other end 2b is near the inlet opening 1b for the back side of the hand. Further, the other end 2b is preferably protruding from the inlet opening 1b.
Patent JP-2001136316-A (JP)
Title: Facsimile equipment
Inventor: TAKAHASHI MASAKATSU
IPC: H04N1/00
Filed: 1999-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a facsimile equipment provided with a highest priority transmission function that can transmit an original desirably transmitted with highest priority over other transmission and reception operations. SOLUTION: When a highest priority transmission button of the facsimile equipment 1 is depressed, even when memory transmission has already been reserved with the highest priority transmission button depressed, the facsimile equipment 1 inhibits memory transmission and even when reception is made after the highest priority transmission button, the facsimile equipment inhibits a reply with respect to the reception, and the facsimile equipment checks whether or not the highest priority transmission operation is finished until a timer counting a wait time, until the highest priority transmission operation is completed, expires.  When the highest priority transmission operation is completed, a scanner reads an original designated by the highest priority transmission operation, faxes the read original to the designated destination with the highest priority, and the facsimile terminal releases inhibited facsimile transmission and reception when the transmission is finished. When the timer expires before the highest priority transmission operation is completed, the facsimile equipment releases the inhibited facsimile transmission and reception.