baber/WOPTO huggingface dataset:
Patent JP-2020518012-A (JP)
Title: アンダーカットパターン形状を生成するためのネガ型レジスト配合物
IPC: G03F7/26
Filed: 2018-04-23
Abstract: 塩基水溶液中で現像可能である、３６５ｎｍの放射線によって画像化可能なネガ作用型フォトレジスト組成物。溶媒を除き、この組成物は、ａ）環結合ヒドロキシル基を有する、塩基水溶液可溶性フェノール系膜形成用高分子バインダー樹脂；ｂ）光酸発生剤；ｃ）エーテル化メラミンを含む架橋剤；ｄ）本明細書に記載されている通りの染料；ｅ）記載されている通りの、アミンクエンチャーまたはこうしたアミンクエンチャーの混合物から本質的になるクエンチャー系を含む。この発明は、この組成物をフォトレジストとして使用するプロセスにも関する。
Patent JP-2020520048-A (JP)
Title: バックライトモジュール用の光変換フィルム、バックライトモジュール及び表示装置
IPC: G02B5/30
Filed: 2017-07-14
Abstract: 本発明は、バックライトモジュール用の光変換フィルム、バックライトモジュール及び表示装置を開示している。前記バックライトモジュールは少なくとも第１光を発する光源と、前記第１光を受光して少なくとも第２光に変換して出射することで、前記バックライトモジュールの出光角度が１２０度よりも大きく、色温度が１５０００よりも小さくなる光変換フィルムとを備える。本発明は、表示装置の視野角を拡大し、輝度視野角を１２０度以上に達することができ、同時に、該光変換フィルムが高い光励起効率を有し、バックライトモジュールの色温度を低下させることができ、表示効果をより高めることができる。【選択図】図１
Patent JP-2020505621-A (JP)
Title: ヘリンボーンタイプ流体誘導ユニット及びこれを利用した流体濃縮装置
IPC: G01N1/00
Filed: 2018-01-23
Abstract: 本発明は、ヘリンボーンタイプ流体誘導ユニット及びこれを利用した流体濃縮装置に関するものとして、前記ヘリンボーンタイプ流体誘導ユニットは、前記流動路上に設置され、前記流体の流動方向を基準に前端部から後方に行くほど左右幅が拡張するように形成された前方部材と、前記前方部材から後方に延長され、かつ、後端から前方に所定深さ引入した引入部分または後方に突出した突出部分が形成された後方部材と、を備え、前記後方部材に前記引入部分が形成される際に、前記引入部分は、前記後方部材の後端から前方に行くほど左右幅が減少するように形成され、最前方に位置した第１頂点から最後方の左右側端部にそれぞれ延長された第１及び第２仮想線の間の角が、前記前方部材の最前方に位置した第２頂点から前記前方部材の最後方の左右側端部にそれぞれ延長された第３及び第４仮想線の間の角より大きく、かつ、１８０度以下に形成される。本発明に係るヘリンボーンタイプ流体誘導ユニット及びこれを利用した流体濃縮装置は、流体に干渉する流体誘導ユニットが、前端部をなす角度より後端部をなす角度が大きく形成されているので、流体誘導ユニットの後方の流体の流れに発生する圧力降下を減少させ、流体に対する細胞の回収効率を向上させることができる長所がある。
Patent JP-2020519891-A (JP)
Title: ＬｉＤＡＲシステム用の送光器光学系、ＬｉＤＡＲシステム用の光学配列、ＬｉＤＡＲシステムおよび仕事をする装置
IPC: G01S17/931
Filed: 2018-05-08
Abstract: 本発明は、視野（５０）を光によってくまなく照らすための、ＬｉＤＡＲシステム（１）用の送光器光学系（６０）であって、ライン形状の１次光（５７）を発生して出力するための、１つの線状光源（６５−１）を有しており、さらに、１つの偏向光学系（６２）を有しており、前記偏向光学系（６２）が、受光した１次光（５２）を視野（５０）中に出力するための、前記偏向光学系（６２）の１つの中間像面（６９）内の１つのレンズ配列（６８）、ならびに、１本の軸（６４−１)まわりに１次元揺動可能な１つの偏向ミラー（６４）を有しており、前記偏向ミラー（６４）が、前記線状光源（６５−１）からの１次光（５７）を受けて、前記１次光（５７）を前記レンズ配列（６８）の方に向けて、その際には、前記線状光源（６５−１）を前記レンズ配列（６８）の表面に結像することによって、前記偏向ミラー（６３）が何らかの揺動運動を行う際には、前記線状光源（６５−１）の像が、前記レンズ配列（６８）またはその一部をなでつけるようになっている、送光器光学系（６０）に関する。
Patent JP-2020521532-A (JP)
Title: ベクトル値付き診断画像符号化
IPC: A61B6/03
Filed: 2018-05-17
Abstract: 本発明は、診断画像データを処理するための画像処理デバイス１０であって、画像処理デバイス１０は、ベクトル値付き診断画像データを受信するためのデータ入力１１と、各ピクセルについて、テンプレート識別子の所定のセットから選択された、識別子のサブセットを決定することと、サブセットの各識別子について、識別子に対応する物質又は状態のピクセルにおける存在、比率及び／又は有意性を示す定量化値を決定することとを行うための定量化ユニット１２とを備える、画像処理デバイス１０に関する。画像処理デバイス１０は、各一意の識別子サブセットにインデックスを割り当てる、辞書を提供するための辞書定義ユニット１４と、画像データを符号化するための画像データ符号化器１６とを備える。画像データ符号化器１６は、各ピクセルについて、インデックスを符号化するビットの第１のセットと、定量化値を符号化するビットのさらなるセットとを含むビットシーケンスを計算するために適応される。画像処理デバイス１０は、診断画像フォーマットで符号化画像をパックし、辞書をそのフォーマットのメタデータに挿入するためのデータパッケージャ１８をも備える。さらなる態様は、復号デバイス、システム、符号化及び復号するための対応する方法、並びに派生のコンピュータ関連製品に関する。
Patent JP-2021510005-A (JP)
Title: イメージセンサ及びその製造方法
IPC: H01L27/146
Filed: 2018-11-23
Abstract: 【課題】本願の一部の実施例は、イメージセンサ及びその製造方法を提供する。【解決手段】イメージセンサは、基板（４００）と少なくとも一つのピクセルユニットを含み、ピクセルユニットは、基板内に設置され、感光面が基板の背面に面し、基板の背面から入射光を受信した場合に、電荷を生成するための光検出器（４０１）と、基板上に設置され、感光面の相対面に位置される球冠形状構造（４０６）と、球冠形状構造の上部に設置され、入射光がコンフォーマル媒介層に達した場合、媒介層反射光を生成するためのコンフォーマル媒介層（４２０）と、及びコンフォーマル媒介層の上部に設置され、入射光が反射層に達した場合、反射層反射光を生成するための反射層（４３０）を含むことにより、入射光の吸収率を増加し、イメージの信号品質を向上させることができる。【選択図】図４
Patent JP-2020521959-A (JP)
Title: 画像処理のためのシステムおよび方法
IPC: G01N23/04
Filed: 2018-05-22
Abstract: x線画像中の物品を識別するためのコンピューティングデバイス実装システムおよび方法が記載される。方法は、機械学習アルゴリズムを、x線画像の少なくとも1つのトレーニングデータ集合でトレーニングして、少なくとも1つの機械学習モデルを生成するステップを含む。方法は、物品を含む少なくとも1つの描画されたx線画像を受け取るステップと、少なくとも1つのモデルを使用して物品を識別するステップと、物品に関連する自動検出表示を生成するステップとをさらに含む。
Patent JP-2020526672-A (JP)
Title: 均一な充填剤入り糸
IPC: D01F6/46
Filed: 2018-07-13
Abstract: 本発明は、糸中の充填剤比χが、マルチフィラメント糸中に存在するＵＨＭＷＰＥのＩＶ     の０．００４倍よりも大きく、すなわちχ≧０．００４ｇ／ｄＬ×ＩＶｙ Ｈ となり、充填剤入りマルチフィラメント糸のテナシティ（ＴＥＮ、単位ｃＮ／ｄｔｅｘ）が、     となる、又は糸中の充填剤入りモノフィラメントのテナシティが     となる、本発明による充填剤入りマルチフィラメント糸に関する。本発明は、さらに上記マルチフィラメント糸及び上記マルチフィラメント糸を含む物品の製造方法に関する。 【選択図】なし
Patent JP-2020523342-A (JP)
Title: βセクレターゼの阻害のための組成物および方法
IPC: A61P25/28
Filed: 2018-06-14
Abstract: βセクレターゼの活性および発現の阻害における、１０質量％以上のオロキシリンＡ、１０質量％以上のバイカレインおよび２質量％以上のクリシンを含む組成物の使用が開示される。本発明はまた、上記の組成物を使用するＰＳ−７０細胞におけるアミロイド含量の低減を開示する。本発明はさらに、βセクレターゼにより媒介される障害の治療管理のための該組成物の使用に言及する。
Patent JP-2020523933-A (JP)
Title: 情報送信方法、端末デバイス、及びネットワーク・デバイス
IPC: H04W72/04
Filed: 2018-06-19
Abstract: 本願は情報送信方法、端末デバイス、及びネットワーク・デバイスを提供する。方法は：端末デバイスが、制御チャネル・リソース・セットのコンフィギュレーション情報を受信するステップであって、コンフィギュレーション情報は制御チャネル・リソース・セットを示すために使用され、コンフィギュレーション情報は、制御チャネルの時間−周波数リソース・ブロックの量と、２つの隣接する時間−周波数リソース・ブロック間のインターバルとのうちの少なくとも１つを含む、ステップ；端末デバイスが、コンフィギュレーション情報に基づいて制御チャネルの時間−周波数リソースを決定するステップ；及び端末デバイスが、制御チャネルの時間−周波数リソースの制御情報を受信するステップを含む。制御チャネル・リソース・セットのコンフィギュレーション情報は制御チャネルの時間−周波数リソースを示すために使用される。制御チャネルの時間−周波数リソースは不連続的であり、複数の時間−周波数リソース・ブロックを含み、複数の時間−周波数リソース・ブロックの間にインターバルが存在する。制御チャネルにおける制御情報を受信する場合に、端末デバイスは伝送効率を向上させるように、より良い周波数ダイバーシティ・ゲインを得ることができる。
Patent JP-2021108672-A (JP)
Title: Game machine
Inventor: SASAKI MASAKAZU
IPC: A63F7/02
Filed: 2020-01-01
Abstract: To provide a game machine that can increase interest of a game.SOLUTION: A game machine includes: winning/losing determination means for executing a winning/losing determination regarding a predetermined winning on the basis of a first random number value; symbol determination means for determining the winning type on the basis of the winning/losing determination result and a second random number value; and game state control means capable of controlling to a time saving state. The target of the winning/losing determination by the winning/losing determination means at least includes a big winning that triggers the operation of an accessory continuous operation device and a special time saving that does not trigger the operation of the accessory continuous operation device. When the special time saving is won, the game state is controlled to the time saving state.SELECTED DRAWING: Figure 4
Patent JP-2021110978-A (JP)
Title: Information processing apparatus and program
Inventor: KAMISAKI TAKAHIRO
IPC: G06F40/279
Filed: 2020-01-06
Abstract: To provide an information processing apparatus and a program capable of acquiring direct or indirect information from capital policy information.SOLUTION: According to one aspect of the present invention, an information processing apparatus including a basic element identification unit, an extraction element identification unit, and an extraction unit is provided. The basic element identification unit can identify a basic element specified in adance from an element group at the time of stock acquisition of capital policy information. The extraction element identification unit can identify an extraction element to be extracted based on a relation with the basic element. The extraction unit can extract the extraction element.SELECTED DRAWING: Figure 1
Patent JP-2020062465-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-01-07
Abstract: To provide a game machine capable of maintaining game amusement.SOLUTION: When a restoration time corresponding to a symbol variation newly arrives while a first movable decorative body executes a restoration operation and a third movable decorative body has not started the restoration operation yet, the first movable decorative body continuously executes the restoration operation across the newly arrived restoration time and the third movable decorative body does not start the restoration operation. When restoration time corresponding to the symbol variation further arrives while the movable decorative body executes the restoration operation, the movable decorative body can continuously execute the restoration operation across the restoration time without using the further arrived restoration time as a trigger to start the restoration operation. The second movable decoration body uses the restoration time that the first movable decorative body executing the restoration operation does not use as a trigger to start the restoration operation as a trigger to start the restoration operation.SELECTED DRAWING: Figure 307B
Patent JP-2021113577-A (JP)
Title: Lubrication control device
Inventor: KOTSUJI KOUICHI
IPC: F16H61/00
Filed: 2020-01-17
Abstract: To provide constitution advantageous in energy consumption and cost, in lubrication and cooling of a clutch.SOLUTION: A lubrication control device supplies to a first switch valve 121, a first brake pressure PB1 as a signal pressure having direction for opening the first switch valve 121, and supplies to the first switch valve 121, a second clutch pressure PCL2 as a signal pressure having direction for closing the first switch valve 121. The lubrication control device 200 opens the first switch valve 121 to supply lubricating oil to a second clutch CL2 when the second clutch pressure PCL2 supplied to the second clutch CL2 is low and the second clutch CL2 is in a slip state, and closes the first switch valve 121 and does not supply the lubricating oil to the second clutch CL2 when the second clutch pressure PCL2 supplied to the second clutch CL2 is high and the second clutch CL2 is in a completely engaged state.SELECTED DRAWING: Figure 5
Patent JP-2021114703-A (JP)
Title: Information processing device and control method of information processing device
Inventor: UMIKAWA SHINSUKE
IPC: B41J29/38
Filed: 2020-01-20
Abstract: To provide a technology capable of improving protection of import instruction information.SOLUTION: When a USBIF 107 is connected with a USB memory 200 storing setting information for import and import instruction information for giving an instruction to import the setting information for import, a CPU 101 imports the setting information for import to an NVM 104, encrypts the import instruction information on the basis of a data password, and stores the result in the USB memory 200.SELECTED DRAWING: Figure 4
Patent JP-2021114421-A (JP)
Title: Composition for non-aqueous secondary battery and use of the same
Inventor: HIRABAYASHI HONAMI
IPC: C01C1/26
Filed: 2020-01-20
Abstract: To provide a composition for a non-aqueous secondary battery and applications of the same, the composition capable of achieving dispersibility, storage stability, and excellent battery characteristics, and to provide a composition for a non-aqueous secondary battery and applications of the same, the composition capable of achieving battery characteristics that do not degrade battery performance due to short-circuiting or the like even when metallic foreign matter such as copper is mixed in.SOLUTION: The composition for a non-aqueous secondary battery includes a copolymer and ammonia and/or ammonium salts, the copolymer containing 40 to 100 mass% of a structural unit (M1) derived from (meth)acrylonitrile.SELECTED DRAWING: None
Patent JP-2021114544-A (JP)
Title: Stationary induction apparatus and manufacturing method for magnetic shield of stationary induction apparatus
Inventor: IMAMORI SATOSHI
IPC: H01F27/36
Filed: 2020-01-20
Abstract: To obtain an efficient stationary induction apparatus in which in-plane eddy current generated in a magnetic shield is reduced and an eddy current loss is reduced.SOLUTION: A stationary induction apparatus 1 comprises: an iron core 11; windings 12, 13 wound around the iron core 11; a tank 14 that houses the iron core and windings; and a magnetic shield 15 that is provided along an inner surface of the tank 14 and includes soft magnetic plates laminated in a radial direction of the windings. The magnetic shield includes flux induction parts 150 whose both ends in an axial direction of the iron core of part or all of the laminated soft magnetic plates are bent or curved toward the windings. End surfaces of the bent or curved flux induction parts are in approximately parallel with the axial direction of the iron core. The bent or curved flux induction parts further comprise structures (a flux induction part upper side 151, a flux induction part lower side 152) divided into at least two or more parts.SELECTED DRAWING: Figure 1
Patent JP-2021117578-A (JP)
Title: Information processing system and information complement method and program
Inventor: SHIMADA ATSUKO
IPC: G06F40/253
Filed: 2020-01-23
Abstract: To provide an information processing system that can complement information that is not expressed in a sentence.SOLUTION: The information processing system is provided having: a communication unit 11 that receives a sentence related to an activity; an estimation unit 15 that estimates information omitted in the sentence received by the communication unit based on a type of the activity; and an information complement unit 16 that complements the sentence with the information estimated by the estimation unit.SELECTED DRAWING: Figure 1
Patent JP-2020073338-A (JP)
Title: Printing device, printing device control method and program
Inventor: OYA HIROSHI
IPC: B41J29/42
Filed: 2020-01-28
Abstract: To reduce the possibility of occurrence of deterioration in performance due to detection of types of sheets when printing is resumed in a state where sheets run out during the printing.SOLUTION: The printing device comprises: determining means that determines whether a cassette which is opened is a cassette in use for a printing job and whether or not the printing job is interrupted because sheets run out; holding means that holds a detected result of types of sheets when the determining means determines that the casette is the cassette in use for the printing job and that the printing job is interrupted because the sheets run out; and instructing means that instructs a printer part to resume printing of the printing job using the detected result of the types of sheets held by the holding means when printing is resumed.SELECTED DRAWING: Figure 5A
Patent JP-2021116025-A (JP)
Title: Vehicle operation device
Inventor: SHINOHARA HIROYUKI
IPC: B62K23/04
Filed: 2020-01-29
Abstract: To provide a vehicle operation device which has a small number of components and achieves reduction of work hours for attachment.SOLUTION: A vehicle operation device includes: a handle bar 12 having at least one hole 18; a grip 14 attached to an end part of the handle bar 12; and a housing 16 into which the handle bar 12 is inserted and which is fixed to a portion, which is fixed to the vehicle center side of the grip 14, of the handle bar 12. The housing 16 has at least an attachment part 30 having a protruding part 42 which is inserted into the hole 18 of the handle bar 12, and an elastic deformation part 32 which maintains a state that at least a part of the protruding part 42 of the attachment part 30 is inserted into the hole 18 of the handle bar 12.SELECTED DRAWING: Figure 2
Patent JP-2021124566-A (JP)
Title: Flexible device and electronic apparatus
Inventor: YAMAZAKI KATSUMASA
IPC: H05B33/02
Filed: 2020-02-04
Abstract: To provide a flexible device capable of reducing bending marks, and an electronic apparatus comprising such a flexible device.SOLUTION: A flexible device comprises a flexible panel 10 with a light emission surface and a back surface, an adhesive layer 40 in contact with the back surface, and a backing layer 50 bonded to the back side via the adhesive layer. The backing layer did not break when it is bent at a bending radius of 3 mm, the Young's modulus of the backing layer is 70 GPa or more, and when the strain of the backing layer is 0.7%, the backing layer has a material and thickness in which the strain is dissociated from a tangent line near an origin by 0.05% or less in a stress strain curve.SELECTED DRAWING: Figure 1
Patent JP-2021125393-A (JP)
Title: Lighting control system
Inventor: NOSAKA TETSURO
IPC: H05B47/00
Filed: 2020-02-06
Abstract: To provide a lighting control system that can appropriately update firmware.SOLUTION: A lighting control system according to the present disclosure includes: a lighting controller that transmits version information indicating the version of update firmware; and a terminal that transmits a disaccord response to the lighting controller when the version of self-firmware is different from the version of the update firmware, upon receiving the version information. The lighting controller transmits the update firmware to the terminal when receiving the disaccord response, and the terminal that has transmitted the disaccord response updates the self-firmware to the update firmware.SELECTED DRAWING: Figure 4
Patent JP-2021127537-A (JP)
Title: Surface material
Inventor: OTAKI YOSHINAGA
IPC: D06M23/16
Filed: 2020-02-14
Abstract: To provide a surface material capable of preparing various interior materials, especially a surface material superior in designability and in tactile feeling capable of preparing vehicle interior materials such as a ceiling, a door side, a pillar garnish and a rear package, and particularly provide a surface material superior in tactile feeling even when being much superior in designability such as a print with a narrow interval between print parts and capable of feeling a delicate pattern.SOLUTION: A surface material comprises a fabric 10 and a particle-containing print 1 and is configured such that the print 1 is partially present so as to be exposed on at least one main surface of the fabric 10. The main surface on which the print 1 is partially present of the surface material, when measured by a surface testing machine (KES-FB4), has a surface roughness (SMD) of greater than 2.7 μm and less than 4.6 μm, and has an average coefficient of dynamic friction (MIU) of less than 0.4.SELECTED DRAWING: Figure 1
Patent JP-2021130274-A (JP)
Title: Can body printing system and can body printing device
Inventor: KOJIMA SHINICHI
IPC: B41J29/00
Filed: 2020-02-20
Abstract: To provide a can body of which print quality is held far better than that when a user freely performs printing with no authority.SOLUTION: A can body printing system includes: a host device 10; and a printing device 30 for printing an image acquired from the host device 10 to a can body. A printing image information acquisition unit 301 of the printing device 30 acquires image information added with printing authority from the host device 10. An activation control unit 305 of the printing device 30 prints an image of the image information on the can body on the basis of the printing authority added to the acquired image information.SELECTED DRAWING: Figure 2
Patent JP-2021132359-A (JP)
Title: Learning data generation device, playback schedule learning system, and learning data generation method
Inventor: KUMEYA KOJI
IPC: H04N5/93
Filed: 2020-02-21
Abstract: To provide a learning data generation device, a playback schedule learning system, and a learning data generation method that can easily create an optimal playback schedule for playing a content.SOLUTION: A learning data generation device includes an image acquisition unit that acquires an image obtained by capturing a person in front of a display unit that displays a content, a person determination unit that determines the behavior of the person on the basis of the captured image acquired by the image acquisition unit, an evaluation value setting unit that sets an evaluation value for the content on the basis of the behavior of the person determined by the person determination unit, and a learning data generation unit that generates learning data in which the content and the evaluation value are associated with each other.SELECTED DRAWING: Figure 4
Patent JP-2021133273-A (JP)
Title: Coating device and coating method
Inventor: TANI YOSHINORI
IPC: B05C11/10
Filed: 2020-02-25
Abstract: To provide a coating device which can perform coating of liquid by restricting an impact of the liquid that easily accumulates at an edge of a substrate when applying the liquid onto the substrate.SOLUTION: A coating device 10 includes: an applicator 11 having a discharge port 23; a moving mechanism 12 which causes relative movement of the applicator and a substrate W; an adjustment path 13 which includes a tank 31, a valve 33 provided in a pipe 32 connecting the applicator with the tank, and pressure regulating means 34 for regulating pressure reduction of liquid L in the tank; and a control device 14. The control device can execute: liquid application control for making the liquid adhere to an end part of the substrate by discharging the liquid from the discharge port 23; and coating control for applying the liquid onto the substrate by performing the relative movement while reducing the pressure of the liquid in the applicator, in accordance with a pressure reduction state of the liquid in the tank and an open state of the valve. In the coating control, control for starting an opening operation of the valve is performed after starting the relative movement.SELECTED DRAWING: Figure 1
Patent JP-2021133751-A (JP)
Title: aircraft
Inventor: TSUBATA HIROYUKI
IPC: G01W1/10
Filed: 2020-02-26
Abstract: To reduce influence of lightning by keeping an airframe attitude that is less likely to receive lightning.SOLUTION: An aircraft 1 of the invention includes: an electric field sensor 22 that detects electric field intensity at different positions in the aircraft 1; an electric field direction estimation part that estimates an electric field direction 62 on the basis of a detection result obtained by the electric field sensor 22; an attitude derivation part that derives a target airframe attitude to reduce the possibility of lightning on the basis of the estimated electric field direction 62; and an attitude control part that controls an attitude of the aircraft so as to be the derived target airframe attitude.SELECTED DRAWING: Figure 5
Patent JP-2021133298-A (JP)
Title: Treatment method of ammoniac nitrogen-containing waste water and treatment apparatus
Inventor: TAKAHASHI ATSUTA
IPC: C02F1/58
Filed: 2020-02-26
Abstract: To provide a treatment method of ammoniac nitrogen-containing waste water capable of stably performing nitrite treatment and hydrophobic ammonia oxidation treatment while suppressing generation of scale, and a treatment apparatus.SOLUTION: In a treatment method of ammoniac nitrogen-containing waste water, a treatment step of ammoniac nitrogen-containing waste water comprises: a calcium removing step for removing calcium in the ammoniac nitrogen-containing waste water containing calcium; a nitrite step for nitrite treating part of ammoniac nitrogen in the ammoniac nitrogen-containing waste water after the calcium removing step to nitrite nitrogen; and a nitrification step including an anaerobic ammonia oxidation step for anaerobic ammonia oxidation treating the treated water of the nitrite treatment using anaerobic ammonia oxidation bacteria. Carbonate for removing calcium and carbonate for refilling inorganic carbon necessary in the nitrite step are added in the calcium removing step.SELECTED DRAWING: Figure 1
Patent JP-2021139339-A (JP)
Title: Runner for francis-type hydraulic turbine and francis-type hydraulic turbine
Inventor: MUKAI TAKERO
IPC: F03B3/02
Filed: 2020-03-05
Abstract: To provide a runner for a Francis-type hydraulic turbine which can alleviate a stress concentration at an outlet end part of a blade, and a band side of a peripheral portion of the outlet end part.SOLUTION: In a range from a first plane P1 including a runner rotation center axial line C and an end point 15E2 of an outer end part 15 of a blade 13 at a band 12 side up to a second plane P2 corresponding to a position in which the first plane P1 is moved in a runner rotation direction by an angle which is defined by dividing 360° by a value of four times of a sheet number of the blades 13, when taking each cross section of the blade 13 on a face including the runner rotation center axial line C, and radially extending from the runner rotation center axial line C, a tangent T1 on a centerline Cv of the blade 13 passing a cross point X between the centerline Cv of the blade 13 continuing in a curved line shape and a water flow face 12f of the band 12, and a tangent T2 on the water flow face 12f of the band 12 passing the cross point X form an acute angle at a negative face side of the blade 13 at least at a part of a cross section out of the cross sections, and form an obtuse angle at a pressure face side.SELECTED DRAWING: Figure 2