baber/WOPTO huggingface dataset:
Patent JP-2007507846-A (JP)
Title: 発光ダイオードを用いた改良された光源および発光ダイオードから放射するエネルギを集める改良された方法
IPC: H01L33/00
Filed: 2004-07-21
Abstract: 【課題】ＬＥＤまたは白熱光源の放射エネルギのほぼ全部を効率的に集め、必要な照明分布を有する指向ビームとして投射する。 【解決手段】ＬＥＤまたは白熱光源を反射鏡の中の所定位置に置き、この場合、反射鏡は、その反射鏡によって画定される周辺部前方立体角内にＬＥＤまたは白熱光源から放射されたＬＥＤまたは白熱光源からの光を反射するように取り合わせられている。レンズをＬＥＤまたは白熱光源の縦方向前方に配置し、この場合、レンズは、そのレンズによって画定される中央部立体角内にＬＥＤまたは白熱光源から放射された光を所定のパターンに集光する。この組合せから成る装置は、中央部前方立体角内および周辺部前方立体角内に放射された光で構成された光のビームを投射する。 【選択図】図２
Patent JP-2007506805-A (JP)
IPC: A61P35/00
Filed: 2005-07-27
Abstract: Processes useful in the preparation of pharmaceutical compounds such as fulvestrant and processes for the preparation of fulvestrant.
Patent JP-2007509272-A (JP)
IPC: F02M65/00
Filed: 2004-10-18
Abstract: Method of testing a fuel injection valve 1 for a diesel engine by supplying pressurized oil to the inlet side of the valve. According to the invention the oil pressure is gradually recorded, the pressure increase being interrupted at the moment when the opening pressure of the valve is exceeded, which is noted by a drop in the pressure on the inlet side. At the same time the opening pressure is recorded. As a result a more lenient test method is provided, which also can be used in connection with newly developed injection valves.
Patent JP-2007509157-A (JP)
Title: 急性冠症候群の処置および予防のための医薬製剤、方法および投与計画
IPC: A61K9/127
Filed: 2004-10-19
Abstract: 本発明は、急性冠症候群を処置および予防するための方法および製剤を提供する。本発明の方法は、動脈硬化性プラークを減少および安定化するための、アポリポタンパク質Ａ−Ｉ  Ｍｉｌａｎｏ：リン脂質複合体の安全かつ有効な用量を提供する。アポＡ−Ｉ  Ｍｉｌａｎｏ：リン脂質複合体の医薬製剤もまた提供される。 【選択図】  図１
Patent JP-2007528960-A (JP)
Title: じゃま板付きの圧縮機吐出室
IPC: F04C29/00
Filed: 2004-11-10
Abstract: スクリュー圧縮機は吐出室３３を有しており、吐出室３３はスクリュー圧縮機の対向する場所に位置する２つの圧縮室３２から圧縮流体の交互の流れを受ける。吐出室３３は２つの流れを分離する中央じゃま板３６を有する。じゃま板３６は、システムの流体振動数を変化させ、流体システムが圧縮機全体の固有振動数に達する振動数で稼動しないようにし、その結果、好ましくない振動を軽減することを保証する。じゃま板はまた変動やその結果生ずる音の大きさを軽減する。
Patent JP-2007512760-A (JP)
Title: 閉ループ多重入出力移動通信システムで送信固有ベクトルを選択してデータを送信する装置及び方法
IPC: H04L1/06
Filed: 2004-12-06
Abstract: 本発明は、閉ループ多重入出力(ＭＩＭＯ)移動通信システムで、フィードバック情報を用いるデータ送信/受信方法を開示する。上記方法は、チャンネル行列の特異値分解(ＳＶＤ)を通じて決定される送信固有ベクトル(eigenvector)選択情報をフィードバックして送信側に伝送するステップと、そのフィードバックされる送信固有ベクトル選択情報を受信し、上記受信された送信固有ベクトル選択情報に応じて伝送するデータを選択し、その選択された伝送データを少なくとも一つの送信アンテナにマッピングして受信側に伝送するステップと、を含むことを特徴とする。
Patent JP-2007512488-A (JP)
Title: Ｕ字型ボルトアセンブリ
IPC: F16B2/06
Filed: 2004-11-19
Abstract: 本発明は、湾曲部分と二つの端部分とを有するシャフトを具えたＵ字型ボルトに関し、前記端部分はそれぞれねじ山付きの部分を有し、前記湾曲部分はこれらの端部分の間に位置し、端部分の少なくとも一部は三つ葉状をなし、湾曲部分は、両端部分の間の距離が端部分の長さよりも短い形状をしている。
Patent JP-2007518074-A (JP)
Title: 細胞の細胞壁構成成分のシグナル検出を増強する方法
IPC: C12Q1/14
Filed: 2004-12-17
Abstract: 本発明は細胞壁構成成分のシグナル検出を増強する方法に関し、方法は細胞を溶解して細胞壁断片を形成するステップと、細胞壁断片を分析するステップを伴う。
Patent JP-2007523266-A (JP)
Title: ラメラ構造を有する個人の保護用具
IPC: A41D31/00
Filed: 2005-01-17
Abstract: 【課題】本発明は、化学薬品に対してバリアを形成する材料及び相溶化剤を分散させた、ポリオレフィンマトリックスの連続した相から壁が作製された個人の保護物品に関する。本発明はまた、構成物をブレンドすることを含むこのような材料を調製し、それを押出してフィルムを形成し、そして、それを望ましい厚みに延伸する方法に関する。
Patent JP-2007517659-A (JP)
IPC: B05B7/24
Filed: 2004-12-03
Abstract: A flexible, disposable cup for use in a fluid supply assembly. The disposable cup is made of an antistatic material whereby chargeable particles in a coating mixture do not stick to the disposable cup so that uniformity of the coating mixture is maintained while it is dispensed. A method of maintaining the uniformity of a coating mixture during dispensing is also described.
Patent JP-2007524166-A (JP)
Title: 構成可能な相互接続トポロジを用いたｉ／ｏ帯域幅の適応割当て
IPC: H04L5/18
Filed: 2005-01-25
Abstract: 装置及び方法は、Ｉ／Ｏインタフェースを様々な種類のインタフェースに構成することによって、ＩＣなどの電気的構成部品のＩ／Ｏ帯域幅を割り当てる。本発明の一実施形態では、Ｉ／Ｏインタフェースは、双方向接点、一方向接点（専用の送信用接点又は専用の受信用接点のいずれかを含む）あるいはメンテナンス又は較正動作モードで使用されるメンテナンス用接点に構成される。Ｉ／Ｏインタフェースは、電子的構成部品内のデータワークロードの変化などのシステムパラメータに応答して、Ｉ／Ｏ帯域幅を最適に割り当てるように周期的に再構成される。システムパラメータには、１）送信・受信バスターンアラウンドの数、２）送信及び／又は受信データパケットの数、３）ユーザ選択可能な設定、４）送信及び／又は受信コマンドの数、５）１つ以上の電子的構成部品からの直接リクエスト、６）１つ以上の電子的構成部品内の待ち行列のトランザクションの数、７）送信バースト長設定、８）バスコマンドの持続時間又はサイクルカウント、及びアドレス／データストローブ、書込み可能、チップ選択、データバリッド、データレディなどの制御ストローブ、９）１つ以上の電気的構成部品の電力及び／又は温度、１０）ソフトウェアアプリケーション又はオペレーティングシステムなどの実行可能なインストラクションからの情報、１１）異なる帯域幅割当てを用いてより優れた性能が得られるかどうかを決定するために、それぞれの期間にわたる多数の統計値が含まれるが、それらに限定されない。システムパラメータの重要性は、本発明の実施形態で時間の経過に応じて加重することが可能である。
Patent JP-2008166654-A (JP)
Title: Method for recycling ferroelectric memory device and feroelectric memory module
Inventor: HAMADA YASUAKI
IPC: H01L23/08
Filed: 2007-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for recycling a ferroelectric memory device for easily restoring hysteresis characteristics and a ferroelectric memory module.  <P>SOLUTION: This method for recycling a ferroelectric memory device including a ferroelectric memory module 100 has a process of extracting the ferroelectric memory module from the ferroelectric memory device and a heating process of heating the ferroelectric memory module.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008169494-A (JP)
Title: Method for producing carbonized fabric and carbonized fabric obtained thereby
Inventor: KIMURA TAKESHI
IPC: D03D15/12
Filed: 2007-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a carbonized fabric by which the carbonized fabric having excellent electroconductive characteristics, heat resistance, electromagnetic wave absorbency etc., and excellent mechanical strength and flexibility is relatively easily and economically be produced.  <P>SOLUTION: The method for producing the carbonized fabric uses a woven fabric, a knitted fabric or a woven and knitted fabric composed of cellulosic fiber yarns as a raw material fiber fabric, heats and carbonizes the raw material fiber fabric, and produces the carbonized fiber fabric. The method includes restraining and holding the raw material fiber fabric with a moisture content less than 25% in a dry state from either one of the longitudinal or the transverse direction of the fabric, directly heating up the fabric in an oxidizing atmosphere under an oxygen partial pressure of 50 mmHg or greater at 50-200°C/h to a temperature region of 250-450°C, then continuously heating up the fabric in a nonoxidizing atmosphere under an oxygen partial pressure less than 50 mmHg to a final heating temperature region of 1,000-1,600°C at a heating rate of 50-200°C/h and subjecting the fabric to heating where the fabric is held at the final heating temperature for a prescribed time in a heating furnace.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008170209-A (JP)
Title: Shape measuring method
Inventor: YAMADA TOMOAKI
IPC: G01B11/25
Filed: 2007-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To accurately measure a three-dimensional shape without being affected by specular reflected light.  <P>SOLUTION: This shape measuring device comprises: a pattern projection system for projecting a predetermined projection pattern to a specimen 20; a first imaging device 6 with a first opening number NA1 for imaging the specimen to which the projection pattern is projected; a second imaging device 8 with a second opening number NA2 for imaging the specimen on the same optical axis; and a positioning machine for adjusting the relative position to the specimen in the optical axis direction. The specimen to which the projection pattern is projected is imaged by the first and second imaging systems at Z1 position and Z2 position, the first (Z1) and second (Z1) measured images and the second (Z1) and second (Z2) measured images are acquired, a focusing position (Z0) focusing to a predetermined image position is determined from the first displacement (Δd1) and the second displacement (Δd2) at the predetermined image position, the optical axis direction position of the predetermined image position is determined from the measured image at the focalizing position (Z0) at the predetermined image position, and the three-dimensional shape of the specimen is determined.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008172572-A (JP)
Title: Electrode formation processing method, manufacturing method of surface acoustic wave element, and surface acoustic wave device
Inventor: SATO KAZUHIKO
IPC: H01L41/22
Filed: 2007-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for performing electrode formation processing of small wafer by using a processor for processing wafer of a defined size.  <P>SOLUTION: The method for performing electrode formation processing of piezoelectric wafer 100 of a size smaller than a defined wafer size to be processed by a wafer processor in which the size of wafer to be processed is determined forms a thin metal film 110 for electrode formation on one principal plane of the piezoelectric wafer 100, subsequently, directly bonds the other principal plane of the piezoelectric wafer 100 on the top surface of a base wafer 200 having the same size as that of the wafer to be processed and uses the wafer processor to perform electrode formation processing. In the electrode formation processing method having such characteristics, bonding between the piezoelectric wafer 100 and the base wafer 200 is performed by direct bonding, and it is desirable to set temperature during heat treatment to be lower than a melting point of a thin film for electrode formation.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008177690-A (JP)
Title: Speaker apparatus
Inventor: ODA MAMORU
IPC: H04R1/34
Filed: 2007-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speaker apparatus in which influence of a sound wave from or vibration of a first speaker on the first speaker can be reduced.  <P>SOLUTION: The speaker apparatus has a woofer 1 and a tweeter 2, which are coaxially arranged. A diffuser 3 which diffuses the sound wave from the woofer 1 is fitted to a yoke 12 of the woofer 1. The diffuser 3 is, for example, in a funnel shape. A screw 6 for fitting the tweeter 2 penetrates the yoke 12 of the woofer 1 and also penetrates the diffuser 3 without contacting it. The sound wave from the woofer 1 is therefore diffused by the diffuser 3 to a periphery of the speaker apparatus. The diffuser 3 does not contact the screw 6, so that vibration of the woofer 1 to be transmitted to the tweeter 2 are reduced.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008176990-A (JP)
Title: Membrane electrode assembly for fuel cell, and fuel cell using it
Inventor: OKI SHUNSUKE
IPC: H01M4/96
Filed: 2007-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell having good power generation performance.  <P>SOLUTION: A cathode catalyst layer and an anode catalyst layer each containing an electrode catalyst in which a catalyst is carried by a conductive carrier, and a polymer electrolyte are disposed face to face on both surfaces of a polymer membrane, and they are held between a pair of gas diffusion layers to form this membrane electrode assembly for the fuel cell. A plurality of layers each having a different ratio (I/C) of the mass (I) of the polymer electrolyte to the mass (C) of the conductive carrier are laminated along the direction from the polymer electrolyte membrane to the gas diffusion layer to form the cathode catalyst layer. In the cathode catalyst layer, the I/C of a layer contacting the polymer electrolyte membrane is the maximum among respective layers composing the cathode catalyst layer, and the I/C of the anode catalyst layer comprising a single layer is not less than the minimum I/C among those of respective layers composing the cathode layer, and the average thickness of the anode catalyst layer is thinner than the average thickness of the cathode catalyst layer.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007309634-A (JP)
Title: Refrigerator
Inventor: LEE SOO-KWAN
IPC: F25D19/00
Filed: 2007-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a refrigerator not only capable of freely adjusting an air capacity of cool air flowing into a refrigerating chamber independent of a freezing chamber, but also capable of increasing an air capacity flowing into an interior of the refrigerating chamber, and capable of reducing a temperature deviation of a refrigerator interior by distributing equal amounts of cool air to each area.  <P>SOLUTION: The refrigerator includes evaporators each installed in the freezing chamber and the refrigerating chamber, blow fans each installed in the freezing chamber and the refrigerating chamber to blow the cool air generated from the evaporators, and cool-air ducts plurally installed in at least one of the freezing chamber and the refrigerating chamber, and supplying the cool air blown from the fans to the freezing chamber and the refrigerating chamber.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008176099-A (JP)
Title: Image forming device
Inventor: KIMURA TAKENOBU
IPC: G03G15/16
Filed: 2007-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming device which in a simple configuration correctly checks whether the grid requires contamination cleaning in a scorotron system for removing the charges of the toner pattern formed in the primary transfer on the intermediate transcript and cleans it, if necessary, to make a stabilized secondary transfer.  <P>SOLUTION: This image forming device has a controller to check whether the grid requires contamination cleaning based on the potential ratio before and after removing the toner pattern charges on the intermediate transcript and to clean the grid, if necessary, by operating the cleaner.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008173906-A (JP)
Title: Book suspender
Inventor: ISHIDA KAZUTO
IPC: B42D17/00
Filed: 2007-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a book suspender which can keep a book suspended at a nearby spot such as the vicinity of a desk or at a place to which the reader moves, and also enables easy researching of the contents concerned among a plurality of books for and further, simple removing of the book in an unscarred condition, with the availability of a bookmark function.  <P>SOLUTION: This book suspender can be used in the same way as when a bookmark is used, i.e. inserting its main body 3 into the pages of the book etc. so as to keep the book suspended within reach of the reader. After this procedure, the book hooking part 2 is hooked at the spine lower part of the book for supporting the latter by its weight. Thus it is possible to keep the book by suspending it from a table or a hanger pipe, with the help of the suspension part 1 of the book suspender. Consequently, the book is safe from the possibilities of buckling, and searching of the contents concerned even among a plurality of the books, is easy. Another possible application of the book suspender is that as is the case with a bookmark, it can be inserted where such insertion is required in the book because of its being freely removable.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007228564-A (JP)
Title: Data transmitting apparatus and data receiving apparatus
Inventor: SADA TOMOKAZU
IPC: H04K1/02
Filed: 2007-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data communication apparatus 1 for safely transmitting information data 11 and additional information 14.  <P>SOLUTION: In a data transmitting apparatus 101, a random number sequence generating part 111 generates a random number sequence 12 from key information 11. A diffusing part 112 generates diffused additional information 14 by time-diffusing additional information 14. A multi-level signal generating part 113 generates a multi-level signal 16 the signal level of which varies substantially like a random number, based on information data 13, the random number sequence 12, and the diffused additional information 14. In a data receiving apparatus 201, a random number sequence generating part 211 generates a random number sequence 22 from key information 21. An information data decoding part 213 decodes information data 23 and additional information 24 from a multi-level signal 26 based on the random number sequence 22.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008122897-A (JP)
Title: Photomask for negative exposure and photocuring type pattern produced using the same
Inventor: SHIBATA TOMOAKI
IPC: G03F1/00
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photomask for negative exposure which permits production of a photocuring type pattern without peeling the pattern, and a photocuring type pattern produced using the same.  <P>SOLUTION: The photomask 21 for negative exposure includes an objective pattern 24 and a dummy pattern 25, wherein the objective pattern 24 comprises openings 22 and light shielding portions 23, and the dummy pattern 25 is disposed in such a way that it comes in contact with at least one side of the objective pattern 24.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180277-A (JP)
Title: Sealing device of bearing for wheel
Inventor: ISHIKAWA TETSUYA
IPC: F16J15/3252
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sealing device preventing its seal performance from being lowered and extending its service life by increasing the performance of discharging foreign matter such as slurry intruded into the sealing device.  <P>SOLUTION: In this sealing device 5, a first seal ring 50 fitted to an outer ring member 1 and a second seal ring 60 fitted to an inner ring member 2 each formed integrally of an elastic seal member are installed on a core. Radial seal lips 54, 55 are formed on the first seal member of the first seal ring 50. An axial seal lip 64 diagonally extending from the outer peripheral side end of the second flange part 63 radially outward and brought into sliding contact with the first flange part 53 is formed on the second seal member of the second seal ring 60. With this constitution, the foreign matter discharging performance of the sealing device 5 can be enhanced by increasing the gap 58 between the outer peripheral side end of the second flange part 63 and the inner peripheral surface of a first cylindrical part 52.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180302-A (JP)
Title: Hydraulic control device for vehicular automatic transmission
Inventor: AKASHI MITSUO
IPC: F16H59/68
Filed: 2007-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydraulic control device 10 for an automatic transmission having a continuously variable transmission and a multi-stage transmission 4, having a simple and easy-to-control auxiliary pump for reducing the energy loss during normal travel with the shifting operation of a torque converter.  <P>SOLUTION: First and second check valves 16, 32 are provided on a connection passage 13 in a supply port 18 of a shift valve 17, and an electromagnetic pump 30 is provided for reciprocating a piston 33 to be moved in and out of a cylinder chamber 36 therebetween with electromagnetic force to suck/deliver oil. At a timing when supplying pressure oil to a friction engaging device 8 selected by the shift valve 17, a first hydraulic pump 11 supplies the pressure oil which the friction engaging device requires to be held at predetermined pressure. Then, the friction engaging device is held by pressure oil from the electromagnetic pump. The pressure of the first hydraulic pump is controlled to be lower than pressure which the friction engaging device requires and not lower than pressure as which the pressure of a pressure control valve 20 can be kept. The friction engaging device is set at a drive position, and otherwise the electromagnetic pump is stopped.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008181836-A (JP)
Title: Electronic equipment
Inventor: YAMAGUCHI TETSUYA
IPC: H01H9/02
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic equipment capable of fixing components to a panel by a compact arrangement.  <P>SOLUTION: The electronic equipment is equipped with a rear panel 1, a double-sided adhesive tape 4a, an operation button unit 3, and a light-guide piece 2. The rear panel 1 is equipped with a light-guide hole 11, and constitutes a cabinet of its own device. The double-sided adhesive tape 4a is installed on the rear panel 1. The operation button unit 3 is equipped with a regulating pin 31, and fixed to the rear panel 1 via the double-sided adhesive tape 4a. The light-guide piece 2 is regulated by the light-guide hole 11 and the regulating pin 31, and fixed to the rear panel 1 via the double-sided adhesive tape 4a.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180671-A (JP)
Title: Dynamic quantity sensor
Inventor: NABEYA MASAYUKI
IPC: G01L1/22
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small sized dynamic quantity sensor which needs small area of additional substrate in the case of attaching a circuit constitution for adjusting the amplification degree of the external operation amplifier.  <P>SOLUTION: The dynamic quantity sensor to solve the problem is constituted such that a sensitivity adjusting resistance 29 and an adjusting electrode 26 are provided on a base plate 21, and also one end of the sensitivity adjusting resistance 29 is electrically connected with an output electrode 25, and the other end is connected with the adjusting electrode 26.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008185233-A (JP)
Title: Top plate for cooker
Inventor: NAGATA TAKESHI
IPC: C03C10/04
Filed: 2007-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a top plate for a cooker capable of improving color tone without badly affecting crystallization and increasing manufacturing costs.  <P>SOLUTION: A transparent crystallized glass plate constituting this top plate for the cooker is composed of Li<SB>2</SB>O-Al<SB>2</SB>O<SB>3</SB>-SiO<SB>2</SB>crystallized glass of a coefficient of thermal expansion of ±0×10<SP>-7</SP>/°C in a temperature range of 30-750°C, in which β-quartz solid solution crystal is deposited inside, has a thickness of 3 mm, and has a light shielding film formed by a spattering method on its rear face.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007288138-A (JP)
Title: Light emitting device
Inventor: KAWASHIMA KIYOKO
IPC: F21S8/04
Filed: 2007-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light emitting device capable of improving an average color rendering evaluation index Ra while improving light-emitting efficiency compared to a case where a red phosphor is used.  <P>SOLUTION: This light emitting device has a blue LED chip 2 and a red LED chip 3 as light-emitting elements. The LED chips 2, 3 are covered with a phosphor-containing resin layer 10 in which a phosphor (green phosphor) having light-emitting peaks on wavelengths 490-510 nm and 530-580 nm is mixed and dispersed in a transparent resin. A proportion is 0. 4 or more in a light-emitting strength of a wavelength 500 nm to a light-emitting strength of a wavelength 550 nm in a light to be emitted from the phosphor-containing resin layer 10.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008187840-A (JP)
Title: Commutator motor, and vacuum cleaner
Inventor: YOSHINO ISATO
IPC: H02K23/40
Filed: 2007-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-efficiency and inexpensive commutator motor.  <P>SOLUTION: This commutator motor 100 includes: a field magnet 40 of which a field core 20 is furnished with a field winding 3; an armature 30, disposed inside the field core 20, of which an armature winding 6 is provided in the slots 5a of an armature core 5; a commutator connected with the armature winding 6; a brush for supplying power in contact with the commutator; and an output shaft 7 in the center of the armature core 5. The field core 20 is divided into a field teeth portion 1 and a filed yoke portion 2. The field teeth portion 1 and the armature core 5 are made of the same material, while the field yoke portion 2 is made of a material different from that of the field teeth portion 1 and the armature core 5.  <P>COPYRIGHT: (C)2008,JPO&INPIT