baber/WOPTO huggingface dataset:
Patent JP-2004184417-A (JP)
Title: System and method for tolerance evaluation of chip and improvement in yield
Inventor: BUTLER RICHARD M
IPC: G01R31/26
Filed: 2003-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system which improves a yield on a high-speed chip.  <P>SOLUTION: The system includes a chip test method 100 which comprises a step 105 which measures a power drawn out from a chip, a step 106 which calculates a test frequency by using the power drawn out from the measured chip, and a step 109 which decides a chip property by using the calculated test frequency. The system includes a test system 200 which comprises a first sensor 209 which measures the power drawn out from the chip, a control device 204 which calculates the test frequency by using the power drawn out from the measured chip, and a second sensor 209 which measures a chip velocity at the calculated test frequency.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005160773-A (JP)
Title: Game information providing system
Inventor: NAKANO DAISUKE
IPC: A63F5/04
Filed: 2003-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game information providing system for providing a game player with the game information in a game machine through transmission to an external device by allowing the game machine to transmit or receive information to or from the external device using an infrared communication function.  <P>SOLUTION: The game information providing system comprises a main board 50 for controlling a game, a second sub-control board 70 provided separately from the main board 50 and electrically connected with the main board 50 so as to transmit the information from the main board 50 at least unilaterally, a slot machine 1 having an infrared port 42 electrically connected with the second sub-control board 70 and able to transmit or receive the information to or from the external device through the medium of infrared rays and a cellular phone 150. The second sub-control board 70 is provided with an information storing process 161 for storing pieces of information transmitted from the main board 50 and a start/finish process 162 for transmitting pieces of the information stored in the cellular phone 150 connected via the infrared port 42.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005175022-A (JP)
Title: Thermoelectric conversion device
Inventor: TSUNEOKA OSAMU
IPC: H02N11/00
Filed: 2003-12-08
Abstract: <P>PROBLEM TO BE SOLVED: To improve the reliability and durability of a thermoelectric conversion module by effectively preventing the damage of a module terminal.  <P>SOLUTION: The thermoelectric conversion module 11 comprises thermoelectric conversion elements 16 and 17 which make pair and are formed inside the module, high temperature-side and low temperature-side electrodes 18 and 19 which are formed in parts where the thermoelectric conversion elements 16 and 17 are in contact with a high temperature-side system 23 and a low temperature-side system 24, respectively, high temperature-side insulation substrate 12 for thermally connecting the high temperature-side electrodes 18 to the high temperature-side system 23, low temperature-side insulation substrate 13 for thermally connecting the low temperature-side electrodes 19 to the low temperature-side system 24, frame 25 for sealing the inside of the module, and module terminal device 21 which is formed in the low temperature-side insulation substrate 13 and seals the inside of the module. The module terminal device 21 is connected to the low temperature-side electrodes 19 via electrode through-holes of the low temperature-side insulation substrate 13. The module terminal device 21 has the module terminal 20 extended outside the module, and electrical interaction with the outside is carried out via the module terminal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005175685-A (JP)
Title: Information providing method and information providing apparatus
Inventor: TAKEMASA YOSHIHIRO
IPC: H04M3/42
Filed: 2003-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information providing method and apparatus capable of more efficiently providing information to a requester by effectively utilizing a wait time of the requester before a requester telephone set and a connection destination telephone set are connected.  <P>SOLUTION: The information providing apparatus 2 provides information related to prescribed providing information to the requester telephone set 3 after a speech between the requester telephone set 3 and the connection destination telephone set 4 is finished when the requester telephone set 3 makes an information consecutive transmission request to the information providing apparatus 2 while the information providing apparatus 2 connected to the requester telephone set 3 via a prescribed line network 5 transmits prescribed providing information to the requester telephone set 3 for a time zone before the requester telephone set 3 is connected to the connection destination telephone set 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005173892-A (JP)
Title: Execution instruction method for service cooperative processing and service cooperative processing system
Inventor: MAEZAWA TOSHIYUKI
IPC: G06Q50/00
Filed: 2003-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an execution instruction method for service cooperative processing and a service cooperative processing system that can reduce a load concerned with instructions for service cooperative processing.  <P>SOLUTION: When there is service cooperative processing of "scanning→image correction→facsimile transmission→job completion notice mail transmission", the service cooperative processing is divided into several parts. For example, the processing is divided into units of "scanning→image correction", "facsimile transmission", and "job completion notice mail transmission" and an instruction form is created including the divided units as subroutine instruction forms. Then a subroutine instruction form is specified and a main routine instruction form in which contents for controlling performance of the respective subroutine instruction forms are described is created. This main routine instruction form is created by describing, for example, subroutine instruction form performance of scan image correction→subroutine instruction form performance of facsimile transmission→subroutine instruction form performance of job end notice mail transmission as shown in the figure.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005141707-A (JP)
Title: Crime prevention signal smoke pot
Inventor: WATANABE YOSHIHARU
IPC: G08B15/00
Filed: 2003-11-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a crime prevention signal smoke pot which is easily brought and alarms safely and speedily with sound and smoke.  <P>SOLUTION: A main body case 1 is filled with a smoke-producing agent 8, is covered with an alarm whistle nozzle smoke-start cap 3, a push button 6 is inserted, a main body cap 2 is put between a pin pull-out nut 5 and an eye bolt 7 to fix and is engaged with the main body case 1. Moreover, a ring part of the eye bolt 7 is mounted with a key holder, a necklace, or the like.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005171416-A (JP)
Title: Polybenzazole fiber
Inventor: KIRIYAMA KOHEI
IPC: D01F6/96
Filed: 2003-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polybenzazole fiber which little deteriorates the strength, even after damaged to form a kink band in the fiber, and when exposed under a high temperature and a high humidity for a long time.  <P>SOLUTION: This polybenzazole fiber has a strength retention of ≥80% after twisted at a twisting coefficient of 30 and further after thermally treated for 240 hours under an environment of 80°C and a relative humidity of 80%, in order to make the fiber contain an organic pigment having a thermal decomposition temperature of ≥200°C and capable of being dissolved in mineral acids, preferably a pigment having -N= and/or NH- groups in the molecular structure, especially a perinone and/or perylene compound, a phthalocyanine compound, or a quinacridone compound.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005174832-A (JP)
Title: Display element, manufacturing method of the same, and display device
Inventor: OMI TADAHIRO
IPC: H05B33/14
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display element, especially an organic EL element with high brightness having a low driving voltage of 10V or less.  <P>SOLUTION: The organic EL element with high brightness having a low driving voltage can be obtained by doping at least either one of Hf, Zr, or V in IZO film as a dopant, and by forming the IZO film having low specific resistance and high transmissivity as a surface layer. In this case, the dopant may be doped discretely, namely, stepwise, or continuously. By using the IZO film including those surface layers, the composition of an intermediate layer arranged between a light emitting layer and the IZO film can be simplified, and the organic EL element having a large display surface can be easily manufactured.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004282708-A (JP)
Title: Print producing apparatus and method, and information detecting apparatus, method and program
Inventor: YODA AKIRA
IPC: G06T3/00
Filed: 2003-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To apply processing for electronic watermark detection only to an electronically watermarked image.  <P>SOLUTION: Codes C1-C3 indicating URL of places where voice data M1-M3 representing voices of respective persons are preserved, are embedded in a portion corresponding to face regions of the respective persons in a source image S0 containing three persons. Further, impart completion information W representing that the codes C1-C3 are embedded, is embedded in the source image S0. A print P recorded with the the image with the codes C1-C3 and the impart completion information W embedded therein is imaged by an imaging part 31 of a cellular phone 3 with a camera to obtain picked-up image data S2, and distortion of the image is corrected to obtain corrected image data S3. It is determined whether or not the impart completion information W can be detected from the corrected image data S3 and only when it can be detected, processing for detecting the codes C1-C3 is performed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005182277-A (JP)
Title: Retrieval condition setting program and retrieval terminal
Inventor: MIYAMOTO HIROHISA
IPC: G06F12/00
Filed: 2003-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To input the retrieval command of retrieval conditions performable by a server.  <P>SOLUTION: A retrieval condition setting program to be performed by a retrieval terminal connected to a server which stores preliminarily prepared test data makes a computer perform steps (S05, S10, S15) for transmitting a retrieval command preliminarily prepared corresponding to test data for making the server retrieve test data under predetermined retrieval conditions to the server, and for receiving result data extracted by retrieving the test data according to the retrieval command from the server, steps (S06, S11, S16) for comparing the received result data with expected data to be decided from the retrieval command and the test data and steps (S07, S12, S17) for permitting the input of the retrieval command under the predetermined retrieval conditions when the expected data are matched with the result data.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005182312-A (JP)
Title: Device control circuit
Inventor: SUZUKI TOSHINAKA
IPC: G06F13/42
Filed: 2003-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To quicken device control processing by eliminating or decreasing the WAIT of a CPU at the time of controlling a device control circuit.  <P>SOLUTION: Device control circuits 21 to 2N control a slave control target circuit 8 based on control data received by polling from a CPU 10. Then, FIFO memories 5 and 6 write and store the control data corresponding to the address of the same device and the address of the device based on a write enable signal WE from the CPU, and reads the stored data to the control target circuit based on a data request signal from the control target circuit. An up-down counter 7 counts up according to the writing in the FIFO memory, and counts down according to the data request signal from the device, and outputs the count value as a response signal to the CPU. When a response signal ACK is contents to notify write control stop, the output of the write enable signal WE is stopped.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005179559-A (JP)
Title: Sealing material composition
Inventor: YONEDA KOTARO
IPC: C09K3/10
Filed: 2003-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a silyl-functional sealing material composition which gives a cured product excellent in the balance among weather resistance, alkali resistance and stain resistance.  <P>SOLUTION: The sealing material composition comprises a vinyl polymer (A) having a glass transition temperature of -80 to 10°C and a number-average molecular weight of 500-3,000 and bearing 0.05-2 hydrolyzable silyl groups on the average per molecule, and an oxyalkylene polymer (B) bearing a hydrolyzable silyl group, where the ratio of the vinyl polymer (A) is more than 100 pts.mass but not more than 150 pts.mass based on 100 pts.mass of the oxyalkylene polymer (B).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005181217-A (JP)
Title: Wet state measuring apparatus
Inventor: HIRAFUJI MASAYUKI
IPC: G01N27/00
Filed: 2003-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wet state measuring apparatus, capable of standardizing measured values as a measuring apparatus, by providing a humidity sensor for the inside of a cylindrical case provided with a screen having wettability.  <P>SOLUTION: The wet state measuring apparatus 10 is provided with the cylindrical case 11, the humidity sensor 12 installed in the case 11, and the wetting sheet member 14 wettable with water drops. The wetting sheet member 14 is constituted, in such a way as to block an opening part 13 formed in an upper part 11a of the case 11.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005191804-A (JP)
Title: Image forming apparatus and image processing program
Inventor: OHASHI TAKEO
IPC: G06T5/00
Filed: 2003-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To cause no picture quality deterioration by optimizing γ correcting operation even if an image input is applied from external equipment such as a PC other than a connecting device.  <P>SOLUTION: Management data (scanner ID etc.) added to data of a job requested to output an image are checked to decide an image input path (input source), γ correction is not performed for an input path from the PC etc., via a network which uses a printer function (S32), and respective correction values which are previously registered through ACC (automatic gradation correction) mode processing are applied to a scanner input path of this machine or an input path from a connection source (S33, S35). When a correction value for the connection source input path is not registered, a choice between the execution of the ACC mode and substitutional use of the correction value of this machine can be made (S37). In a correction value registering procedure in the ACC mode, a reference ACC pattern is outputted by a printer unit of a machine where the registration is performed and a pattern image is obtained by being read by scanner units of respective machines.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005192338-A (JP)
Title: Driving method and drive control device for brushless motor
Inventor: NAKAGAWA AKIHIRO
IPC: H02P6/08
Filed: 2003-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a driving method and a drive control device for a brushless motor capable of improving efficiency at wide rotational speeds of the brushless motor, suppressing current consumption, and ensuring a response to variations in motor speeds.  <P>SOLUTION: By controlling an energizing phase angle of a PWM drive circuit with a control parameter obtained from deviation between a target motor speed and an actual rotational speed, namely, P-term (proportional term), I-term (integrated term) and D-term (differential term), thus achieving both high motor efficiency and rotational-speed response.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005186464-A (JP)
Title: Image forming apparatus
Inventor: SATO KAZUO
IPC: B41J29/40
Filed: 2003-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of readily and surely detecting incorrect collating or pages missing when it occurs during printing.  <P>SOLUTION: This image forming apparatus outputs discrimination information formed in a post processing section by forming the discrimination information relating to an image when the image is formed and records the discrimination information on a recording paper. The post processing section stores the output discrimination information and judges the consistency of the recorded paper based on the image of the discrimination information recorded on the recording paper and the stored discrimination information.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005127301-A (JP)
Title: Method for starting and controlling lpi engine in partial cooling
Inventor: LEE WOO-JIK
IPC: F02D41/06
Filed: 2003-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for starting and controlling, smoothly starting an engine even when an LPI engine is partially cooled.  <P>SOLUTION: A fuel pump is operated by inputting cooling water temperature, intake air temperature, and fuel temperature in a fuel line when a starting key is switched on. It is determined as a partial cooling condition when the cooling water temperature and intake air temperature are at a reference value or more and difference between the fuel temperature and a fuel temperature when the engine is not operated is at the reference value or more. After lapse of a step that a lamp is lighted for a predetermined time and fuel is not injected, the inside temperature of an injector is selected by the intake air temperature, cooling water temperature and fuel temperature in the fuel line. A target fuel pressure is found out, and fuel pressure in the fuel line is determined whether or not it reaches the target fuel pressure. When not reaching the target fuel pressure, fuel is not injected. After reaching the target fuel pressure, fuel injection is started, and the starting of the engine is completed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005188163-A (JP)
Title: Rotary press-in device of steel pipe pile with blade and installing method for steel pipe pile with blade in rotary press-in device
Inventor: HAMANO MAMORU
IPC: E02D7/22
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotary press-in device capable of safely installing a steel pipe pile with blades, by avoiding expanding an inner diameter of a chuck.  <P>SOLUTION: This rotary press-in device has a driving device for rotating a chuck device, by rotatably supporting the chuck device having an inner diameter a little larger in a diameter than a body part of the steel pipe pile with the blades by a lifting frame, by liftably drivably supporting the lifting frame having a wide opening capable of inserting-extracting the blades in a substantially central part by press-in cylinders, by erecting a plurality of press-in cylinders on a base frame having a wide opening capable of inserting-extracting the blades of the steel pipe pile with the blades in a substantially central part. In the rotary press-in device of the steel pipe pile with the blades, the chuck device is freely attached to and detached from the lifting frame, and after removing the chuck device from the lifting frame, the respective wide openings of the lifting frame and the base frame are faced.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004534877-A (JP)
Title: 反応容器システムに導入される冷却液存在下のフィッシャー−トロプシュ法
IPC: C10G2/00
Filed: 2002-05-17
Abstract: 合成ガスの炭化水素への転換方法において、少なくともその一部分が室温及び雰囲気圧で液体であり、高温および高圧で合成ガスを液状媒体に懸濁した粒子状フィッシャー−トロプシュ触媒を含む懸濁液に接触させることにより、少なくとも一つの高剪断混合域及び反応容器から構成される反応システムにおいて実施し、その方法は、ａ）懸濁液及び合成ガスを高剪断混合域に通過させそこで合成ガスが気泡及び／または不規則形状のガスボイドに破砕され；ｂ）その中で分散した気泡及び／または不規則形状のガスボイドを有する懸濁液を高剪断混合域から反応容器内に吐出し；及びｃ）液状冷却剤を反応システム中に導入することから構成される。
Patent JP-2004532922-A (JP)
Title: Ｌｄｐｅを使用済みプラスチックフィルムから得る方法
IPC: C08J11/06
Filed: 2002-06-06
Abstract: ＬＤＰＥを使用済みプラスチックフィルムから得る方法であって、以下の工程を含む方法：低分子成分を、第二の有機溶媒に溶解したフィルム材料から抽出する；このように処理されたフィルム材料を選択的に少なくとも一種の第三の有機溶媒に溶解し、それによって、所定の濃度の重合体溶液を製造する；少なくとも一種の撹乱性重合体を重合体溶液から、剪断力を当該溶液にかけることにより沈殿させる；ＬＤＰＥを、残留する重合体溶液から得る。出発材料は乾式または湿式処理から得られたフィルム粉砕物でよい。当該フィルム粉砕物が乾式処理から得られた場合は、フィルム材料を第一の有機溶媒中で洗浄して懸濁液を得て、表面に付着した印刷インキを洗浄する工程がより早い段階で実施される。 【選択図】図２
Patent JP-2004531648-A (JP)
Title: 形状が調整されたスパッタリングターゲット
IPC: H01L21/285
Filed: 2002-02-20
Abstract: 標準的なターゲット構造では、スパッタされた原子は広範な角度で分布し、不均一な膜および不十分なステップカバレージを生じる。これは、主に、スパッタされた原子の束が、コリメート処理されず、ウェハ２２０の中心領域がウェハの周縁よりも高密度のスパッタされた原子の束を受けるためである。ここで述べるスパッタリングターゲット２１０は、スパッタされた原子が小さい余弦分布でウェハに向かって直接的に衝突するように、形状および形態が調整される。実際に、ターゲットは、組み込まれたコリメータを備えて構成される。所望の形態および形状が、ターゲットの幾何学形状および形状のミクロ（例えば放物線状ディンプル）２５０、および／またはマクロ規模（例えばウェハの輪郭、円形の波形輪郭）の変更によって達成可能となる。原子／イオンは、コア材料２７０に結合した表面材料２６０から、経路２３０に沿って移動する。
Patent JP-2004536601-A (JP)
Title: 料理調合物と方法
IPC: A23L5/10
Filed: 2002-06-27
Abstract: この発明は食品の調製に使用される料理塩構造とそれに関連する添加物および水性料理組成物に関するものである。パスタ、米、新鮮・冷凍野菜や肉など種々の食品が予期しない好ましき感覚刺激性品質を浸透される。それにはこの発明の塩構造の有効濃度を含んだ水中で料理されるのである。食品料理方法も開示されている。
Patent JP-2004536454-A (JP)
Title: ２００ナノメートルより短波長の光に用いられる立方晶構造光リソグラフィコンポーネントに対する固有複屈折補償
IPC: G03F7/20
Filed: 2002-07-16
Abstract: （２００ｎｍより短波長の）深紫外光微細リソグラフィ結像システム（１０）における立方晶構造（１２）の固有複屈折を応力誘起光弾性複屈折によって補償する。光弾性複屈折及び固有複屈折はいずれも、立方晶構造の対称性により単純化されたテンソル形式で表される。応力誘起光弾性複屈折は、同じ光学素子に現れる固有複屈折を個別に補償する大きさまたは、好ましくは、リソグラフィシステムのその他の光学素子の固有複屈折の累積効果を一括して補償する大きさとすることができる。
Patent JP-2004536766-A (JP)
Title: Ａｌ２Ｏ３−希土類酸化物−ＺｒＯ２／ＨｆＯ２材料およびその製造方法ならびに使用方法
IPC: C03C3/12
Filed: 2002-08-02
Abstract: Ａｌ ２ Ｏ ３ −希土類酸化物-ＺｒＯ ２ ／ＨｆＯ ２ セラミック（ガラス、結晶質セラミック、ガラス−セラミックを含む）およびその製造方法。本発明によるセラミックは、ガラスビーズ、物品（皿など）、繊維、粒子、薄層コーティングに製造したり、これらの物として作製したり、あるいはこれらの物に変換可能なものである。この粒子および繊維は、たとえば、断熱材、フィラー、または複合材料（セラミック複合材料、金属複合材料、ポリマーマトリクス複合材料など）中の強化材として有用である。薄層コーティングは、たとえば摩耗を伴う用途での保護コーティングならびに温度管理用として有用なものとなり得る。本発明による特定のセラミック粒子は研磨粒子として特に有用なものとなり得る。
Patent JP-2004538180-A (JP)
IPC: B29C44/34
Filed: 2002-07-18
Abstract: An injection unit for an injection molding machine includes an injection device in the form of a plunger/screw, which is driven axially and rotationally in a housing, and a device intended for mixing and metering plastic melt and including an inlet for introduction of an additive. A spacer element is disposed between a backflow prevention assembly of the screw and the plunger, with the spacer element having a length, which corresponds at least to the stroke of the injection device. The spacer element has a first flow channel for establishing in each position a fluidic connection with a second flow channel which initially extends radially in an outward direction and then parallel to the movement and guide area of the plunger to an area between a nozzle and the plunger. The second flow channel extends through the mixing and metering device arranged adjacent to a movement and guide area of the plunger.
Patent JP-2005500625-A (JP)
Title: タイミングに鈍感なグリッチのない論理システムおよび方法
IPC: G06F11/22
Filed: 2001-08-14
Abstract: 開示されたデバイスは、タイミングに鈍感なグリッチのない（ＴＩＧＦ）論理デバイスである。ＴＩＧＦ論理デバイスは、任意のラッチまたはエッジトリガフリップフロップの形態をとり得る。一実施形態では、トリガ信号は、ＴＩＧＦ論理デバイスを更新するように印加される。評価期間から隣接する時間に発生するこのトリガ信号が短いトリガ期間の間に供給される。ラッチ形態では、ＴＩＧＦラッチは、トリガ信号が受信されるまでＴＩＧＦラッチの現在の状態を保持する。さらにマルチプレクサが新しい値および古い格納された値を受信するように設けられる。イネーブル信号はマルチプレクサに対してセレクタ信号として機能する。トリガ信号はＴＩＧＦラッチの更新を制御するために、ＤにおけるデータがＴＩＧＦラッチに入力し、イネーブル入力における制御データが保持時間超過を受けることなく任意の順序で到達し得る。
Patent JP-2005527065-A (JP)
Title: 排気を循環させるための燃料電池システム及び方法
IPC: H01M8/04
Filed: 2002-08-30
Abstract: 燃料電池スタック（６）からの燃料排気を、燃料排気循環ライン（８）及びジェットポンプ（４）により燃料サイドスタック入口（５）に循環される燃料電池システム（１）及び方法に関する。入り口（３）における第一次燃料ストリームは、このジェットポンプのため動的パワーを与え、上記ジェットポンプ（４）は、第一次燃料内の燃料排気の可変の比率を引き込むための可変ノズル外形を有する。これは、前記スタックのターンダウンにおいて、燃料電池スタックのおアノードサイドを通過する所望の燃料フロー体積を維持するため、及び前記スタックにより燃料利用率を高めることを容易にするためである。