baber/WOPTO huggingface dataset:
Patent JP-2012108230-A (JP)
Title: Imaging lens and imaging apparatus
Inventor: MATSUI KAZUMASA
IPC: G02B13/00
Filed: 2010-11-16
Abstract: PROBLEM TO BE SOLVED: To provide an imaging lens which can be used, for example, in an imaging apparatus for a portable terminal, and which can photograph at a wide-angle of view and high resolution while allowing mass production and low cost, and an imaging apparatus using the imaging lens.SOLUTION: In a basic configuration of the invention for achieving a wide-angle of view and high resolution, an imaging lens comprises: in order from the object side, a biconvex first lens having positive power; an aperture diaphragm; a meniscus-shaped second lens having positive power with a concave surface on the object side and a convex surface on the image side; and a third lens. The imaging lens satisfies the conditional expression(1): 0.6<f1/f2<1.5 (1) (f1: a focal length of the first lens, and f2: a focal length of the second lens).
Patent JP-2011038770-A (JP)
Title: Panel structure
Inventor: TANI MOTOYUKI
IPC: F24C15/12
Filed: 2010-11-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cooking oil guard panel, configured such that the right and left panels differing in shape can be mutually interchanged easily.  <P>SOLUTION: The cooking oil guard panel includes a fixed panel 23 and a movable panel 24 constituting a front panel; a first side panel 27, having a first side 30 connected to a vertical side 36 of the movable panel 24 by edge-roll engagement; and a second side panel 28 connected to the fixed panel 23. When the first side panel 27 and the second side panel 28 are mutually interchanged, the first side panel 27 is removed from the movable panel 24; and the first side face panel 27 is rotated clockwise by 90° on the same plane. A second side 31 of the first side-face panel 27 is engaged with the movable panel 24 in this state, and the whole panel is then vertically inverted, whereby the oil guard panel becomes usable, with the first side face panel 27 and second side face panel 28 being mutually interchanged.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012112997-A (JP)
Title: Step type learn teaching material and learn guiding system employing the same
Inventor: HIMEIWA KOJI
IPC: B42D15/00
Filed: 2010-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a step type learn teaching material and a learn guiding system employing the same in which a learning person can learn knowledge or capability by answering fragmented questions by repeating work of turning-up, reading and transcribing.SOLUTION: In a step-type learn teaching material, a plurality of prints 101 or the like are provided. On one side of each print 101, fragmented learning items are displayed. Each of the fragmented learning items is obtained by fragmenting a condition for solving a question, an item to be concerned and/or a subject to be achieved (called simply "condition, item and subject" hereafter) published on a textbook or any other teaching material, a word/sentence to be memorized (called simply "word and sentence" hereafter) and the like. The plurality of prints 101 and the like are bound up in order, with the one side as a front learning side, while increasing each of the fragmented learning items by a single fragmented learning item from the first fragmented learning item to the final fragmented learning item.
Patent JP-2012112277-A (JP)
Title: Control device of internal combustion engine
Inventor: KAWADA KOHEI
IPC: F02M25/07
Filed: 2010-11-24
Abstract: PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of properly controlling the internal combustion engine, by accurately estimating a flow rate of suction gas, in all operation states including a transitional operation state of the internal combustion engine.SOLUTION: In this control device, among a plurality of neural networks 2a, 2c-2e for estimating flow rates FLEGR, FHEGR, FICHG and FING of a plurality of gases in a plurality of respective mutually different parts of a gas passage including an intake passage, an exhaust passage and a first EGR passage, a neural network for estimating the flow rate of the gas in at least one part on the downstream side of a connecting part with the first EGR passage of the intake passage, is constructed with this time value and the past value of the flow rate of the gas in a further upstream side part as input, and the flow rate FING of the suction gas is estimated by estimating the flow rate of the plurality of gases in order toward the downstream side from the upstream side of the gas passage by using the plurality of neural networks.
Patent JP-2011167054-A (JP)
Title: Motor and method for manufacturing the same
Inventor: FURUKAWA KEIZO
IPC: H02K5/04
Filed: 2010-11-24
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a manufacturing cost of a motor and to position a magnetic sensor to a rotor magnet with high accuracy.  <P>SOLUTION: A cover member 121 of the motor includes an outer cylinder part 222 which supports a stator 122 on an inner surface, an inner cylinder part 221 which is co-axial with the outer cylinder part 222 and supports a bearing 13 on an inner surface, and a bottom part 223 which connects a lower end of the outer cylinder part 222 to a lower end of the inner cylinder part 221, and is formed by press-forming a single metal sheet member. The stator 122 includes a stator core 231, an insulator 232 to cover the stator core 231, and a coil 233 formed by winding a conductor wire on a plurality of teeth 242 of the stator core from an upper side of the insulator 232. The insulator includes a protrusion part 261 to protrude upwards higher than an upper end of the outer cylinder part 222 at the outside of a diametrical direction of the coil, and an upper end of the coil 233 is positioned upwards higher than the upper end of the outer cylinder part.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012110286-A (JP)
Title: Device and method for setting turning start position of agricultural working vehicle
Inventor: HAYASHI KAZUNOBU
IPC: A01B69/00
Filed: 2010-11-25
Abstract: PROBLEM TO BE SOLVED: To automatically and reliably set a turning start point at which an agricultural working vehicle can reliably turn in a headland.SOLUTION: The device for setting the turning start position of an agricultural working vehicle includes: an original point setting part 1 for setting an original part P as a travel starting point of the agricultural working vehicle 100 based on position information of GPS; a reference line setting part 3 for setting a linear reference line L1 from the original point P; a moved distance measuring part 4 for measuring a moved distance from the original point P; a travel distance measuring part 5 for measuring an actual travel distance of the agricultural working vehicle 100; a distance difference calculating part 6 for calculating the difference between the measured moved distance and the travel distance; a turning determination part 7 for determining that the agricultural working vehicle 100 turns; a turning determination point setting part 8 for setting a turning determination point P2 at a position where turning of the agricultural working vehicle 100 is determined; a linear reference point setting part 9 for setting a linear reference point P3 at an any point on the reference line L1; and a turning start position setting part 10 for setting a final position as a turning start position P4 by returning back from the turning determination point P2 to the reference line L1 and detecting the final point without having the distance difference on the reference line L1.
Patent JP-2012114386-A (JP)
Title: Semiconductor device
Inventor: OBARA MASAMI
IPC: H01L33/62
Filed: 2010-11-29
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device capable of achieving high reliability even in a severe use environment.SOLUTION: A light-emitting device 10 comprises: a light-emitting element 11 in which a semiconductor layer is stacked on an insulating substrate and power source is supplied by wires 141 and 142 from an n-side electrode 113 and a p-side electrode 114 provided on its top surface; a mounting base 12 that is a lead frame in which the light-emitting element 11 is mounted on a die pad 121 used as a negative electrode by interposing silver paste P; and a mold member 13 sealing the light-emitting element 11 and the wires 141 and 142. The use of the die pad 121 as the negative electrode can stop Ag ions generated by decomposition of the silver paste P in the die pad 121 allocated to the negative electrode, thereby preventing migration.
Patent JP-2012119922-A (JP)
Title: Information processor, pseudo random number generation device, and program
Inventor: KOMANO YUICHI
IPC: G09C1/00
Filed: 2010-11-30
Abstract: PROBLEM TO BE SOLVED: To restore input data from output data which is generated with respect to the input data and is used for authentication, etc.SOLUTION: An information processor includes a first calculation unit, a second calculation unit, and a third calculation unit. The first calculation unit calculates first output data, based on first input data, and first auxiliary data for calculating the first output data from second input data whose difference from the first input data is included in a first range, and then, calculates second auxiliary data for calculating the first input data from the first output data, based on at least one between the first output data and the first auxiliary data, and the first input data. The second calculation unit calculates the first output data, based on the second input data and the first auxiliary data. The third calculation unit calculates the first input data, based on the first output data and the second auxiliary data.
Patent JP-2012118761-A (JP)
Title: Operation input device
Inventor: SHIBATA HIROYUKI
IPC: G06F3/0488
Filed: 2010-12-01
Abstract: PROBLEM TO BE SOLVED: To provide an operation input device in which, when a human body gets proximate unexpectedly, an operation guide screen or the like is prevented from being displayed.SOLUTION: A control section 3 of an operation input device M is configured to automatically detect that a finger or hand gets proximate through a proximity detection section 2 and to determine whether the finger or hand gets proximate for the operation of displaying an operation guide screen that is displayed on a display section 1. Therefore, when a finger or hand gets proximate to the display section 1, the operation guide screen can be displayed at accurate timing.
Patent JP-2011045784-A (JP)
Title: Contrast container holder and method to fill syringes
Inventor: FAGO FRANK M
IPC: A61M5/145
Filed: 2010-12-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide injectors for injecting fluid into patients.  <P>SOLUTION: The filling of a syringe can be performed at a faster rate using a filling sequence which expels air from the fill tube before filling the syringe. A similar method is used when changing contrast containers during a filling sequence to ensure that all the air is expelled from the fill tube before filling resumes with the new contrast container. Additionally, by including a contrast container holder that is affixed to an injector head and holds the container near the syringe tip, the filling sequence can be accomplished without requiring the operator to hold the contrast container during the sequence.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012126038-A (JP)
Title: Method for producing optical film
Inventor: SHIMIZU HIROSHI
IPC: B29C48/08
Filed: 2010-12-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing optical film which prevents the occurrence of delamination even when stretched in high magnification after film forming by laminating resins having different physical properties by a melt casting film forming method by coextrusion.SOLUTION: In the optical film productin method for producing the optical film having the composition of a skin layer/a core layer/a skin layer in which molten resins coextruded from a T-die in a melt extrusion process by a melt casting method to form the core layer and the skin layers are pressed by a cast roller and a touch roller in a film molding process, cooled in a cooling and take-off process, stretched in a stretching process, and then recovered in a recovery process, the following relationship is satisfied: (small) C<CR<S<TR (large), wherein C is the width of the molten resin forming the core layer which is discharged from the T-die 101a, S is the width of the molten resin forming the skin layers, TR is the width of the touch roller, and CR is the width of the cast roller.
Patent JP-2012127156-A (JP)
Title: Electronic key system and electronic key
Inventor: KAWAMURA MASAYUKI
IPC: B60R25/20
Filed: 2010-12-17
Abstract: PROBLEM TO BE SOLVED: To provide an electronic key system and an electronic key capable of accurately measuring noise in a communication environment and suppressing the power consumption of a power source of the electronic key.SOLUTION: In an electronic key system 3, a vehicle 2 and an electronic key 1 start communication with communication from the vehicle 2 as a trigger, the position of the electronic key 1 is confirmed by the reception signal strength of communicated radio waves, and the ID collation of the electronic key 1 is executed. The electronic key system includes: a measurement signal transmission unit 21b for transmitting signal strength measurement signals Srs for measuring the reception signal strength from the vehicle 2 to the electronic key 1; signal strength measurement circuits 17, 18 and 19 for measuring under-reception signal strength when the electronic key 1 receives the signal strength measurement signals Srs and the non-reception signal strength of the radio waves during response standby time; and an execution measurement result notification unit 11d for making the electronic key 1 execute an operation based on the measurement result of the reception signal strength of the signal strength measurement signals Srs and the reception signal strength during idle time.
Patent JP-2012133411-A (JP)
Title: Face collation system, face collation device and face collation method
Inventor: ADACHI KAZUTAKA
IPC: G06F21/32
Filed: 2010-12-17
Abstract: PROBLEM TO BE SOLVED: To reduce a processing load on a face collation device for collating a face template with input face image data obtained by many monitoring cameras, and to efficiently suppress the leakage of the face template in the collation processing.SOLUTION: A primary collation device 30 placed in each area collates input face image data imaged by cameras 10 and detected by face detection devices 20 with an average face template 32a. When the collation result is equal to or higher than a predetermined threshold, the primary collation device transmits the input face image data to a secondary collation device 60. The secondary collation device collates the input face image data with a face template.
Patent JP-2012132780-A (JP)
Title: Weight measuring device of recording medium, method for weight measurement, and printing system including weight measuring device
Inventor: WATANABE MASARU
IPC: G01G11/12
Filed: 2010-12-21
Abstract: PROBLEM TO BE SOLVED: To accurately measure the weights of recording media of different weights even if, due to characteristics of a load cell used for a weight measuring device, convergence times of vibrations are varied according to the weight after the measurement, in the weight measuring device that is provided between a recording device and a feeding device for feeding the recording medium to the recording device, measures the weight of the recording medium and transmits information based thereon to the recording device for reflecting it to the recording content.SOLUTION: The weight measuring device controls timing to convey a next recording medium fed from the feeding device to the weight measuring device according to the weight of the recording medium measured by the load cell.
Patent JP-2012131136-A (JP)
Title: Hollow body molding device
Inventor: SAKAMOTO TOMOYOSHI
IPC: B29C45/00
Filed: 2010-12-22
Abstract: PROBLEM TO BE SOLVED: To provide a hollow body molding device capable of confirming easily that a floating core passes through a molding, and capable of controlling easily quality at the job site.SOLUTION: In this hollow body molding device, a pressurized fluid is pressed in from a pressurization port 3 to move the floating core 2 to an outlet side, after injecting a molten resin into a main cavity 1, and the molten resin is pressed out from an outlet to form a hollow body molding 12. The hollow body molding 12 includes a floating core storage part 6 for storing the floating core 2 connected to the main cavity 1 and moved by the pressurization fluid, a sub-cavity 10 for storing the molten resin discharged from the main cavity 1 and the floating core storage part 6, communication passages 7, 9 for connecting the floating core storage part 6 with the sub-cavity 10, and an opening and closing means 8 for opening and closing the communication passages 7, 9 by slide movement. Inlet cross-sectional areas B of the communication passages 7, 9 satisfy B<πA/4 (A represents the maximum diameter of the floating core 2).
Patent JP-2012137863-A (JP)
Title: Collision determination device, method and program
Inventor: AZUMA TOSHIHIRO
IPC: G05B19/4093
Filed: 2010-12-24
Abstract: PROBLEM TO BE SOLVED: To provide a collision determination device that can exactly perform collision determination without excessive detection and missing of collision.SOLUTION: The collision determination device includes: a tool moving data extraction unit 202 for extracting tool moving data 209 in a specified section from tool moving data 205; an inter-rigid body collision determination unit 204 for calculating a tool moving parameter corresponding to a temporary collison occurrence point in which the occurrence of collision is suspected, when the possibility of the collision is determined using the tool moving data 209 in the specified section, workpiece shape data 208 and holder shape data 207; and a workpiece shape deformation unit 203 for deforming the workpiece shape data 208 using the tool moving data 209 in the specified section and cutting edge shape data 206. The inter-rigid body collision determination part 204 determines the collision again after deformation of the shape of the workpiece.
Patent JP-2012136634-A (JP)
Title: Double-sided pressure-sensitive adhesive tape
Inventor: SUZUKI TAKASHI
IPC: C09J7/02
Filed: 2010-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a double-sided pressure-sensitive adhesive tape which improves film windability or workability, and is suitable as an adhering member used as an application requiring an extremely thin clearance of at most 10 μm.SOLUTION: The double-sided pressure-sensitive adhesive tape includes an adhesive layer having thickness of 1-5 μm on both surfaces of a biaxially oriented polyester film, wherein the biaxially oriented polyester film includes 0.1-5.0 wt.% of a particle having an average particle size of 0.4-2.0 μm and has film thickness of 1-4 μm, wherein the total thickness is at most 9 μm.
Patent JP-2012137699-A (JP)
Title: Learning support device, learning support method and program
Inventor: YASUMA FUMIHIKO
IPC: G09B7/04
Filed: 2010-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a learning support device and the like which allow a leaner to efficiently review lessons.SOLUTION: The learning support device includes: a learning history database 22 for storing the number of learning times, a latest learning date and a latest correctness result which shows whether a result in a latest learning is correct or wrong for each learner and question; extraction means for extracting information on a specific learner from the learning history database 22; calculation means for calculating a current retention degree for each question through substituting the information on the specific learner extracted by the extraction means to a retention degree function which is defined by a forgetfulness approximate function expressed as a function of the number of learning times and the lapsed time from the latest learning date and a term of the latest correctness result and takes a smaller numeric value at the time when the latest correctness result is wrong compared with the time when the result is correct; and presentation means for presenting a question to be currently learned based on the current retention degree calculated by the calculation means.
Patent JP-2010522066-A (JP)
Title: 移動式温熱療法装置
IPC: A61F7/08
Filed: 2008-03-24
Abstract: 【解決手段】  温熱療法を実施する装置は、注入口と排出口とを有するリザーバカートリッジと、前記リザーバカートリッジの前記排出口に接続されるリザーバカートリッジ端部と流出カテーテルに接続される流出カテーテル端部とを有する使い捨て流出チューブと、前記リザーバカートリッジの前記注入口に接続されるリザーバカートリッジ端部と流入カテーテルに接続される流入カテーテル端部とを有する使い捨て流入チューブと、前記流出チューブに接続されるポンプと、少なくとも１つの使い捨て温度センサーと少なくとも１つの圧力センサーとに接続する一体型コンピュータと、前記リザーバカートリッジに近接して位置する電熱加熱器と、前記リザーバカートリッジ、前記加熱器、及び前記一体型コンピュータを収容するハウジングとを含む。   【選択図】      図１
Patent JP-2010528260-A (JP)
Title: デバイスの表面で導電型歪みセンサを形成するための方法
IPC: H01L29/84
Filed: 2008-05-09
Abstract: 【課題】導電型歪みセンサをデバイスの表面上で形成するための、より簡単な方法を提供する。 【解決手段】本発明は、デバイスの表面における歪みを計測するために、該デバイスの該表面で導電型歪みセンサを形成するための方法であって、ステップ：（ａ）デバイスを準備すること、（ｂ）任意的に該デバイスの表面に絶縁層を設けること、（ｃ）ステップ（ｂ）で得られた該絶縁層の上に第１の金属の粒子の分布を作ること、および（ｄ）ステップ（ｃ）で得られた該第１の金属の粒子の分布の少なくとも一部分の上に、無電解めっき法又は電着法を用いて第２の金属の層を堆積させること、を含む。 【選択図】図１
Patent JP-2010528227-A (JP)
Title: ランキンサイクルパワープラント熱源制御
IPC: F01K23/06
Filed: 2007-05-29
Abstract: 有機ランキンサイクルパワープラントにおいて、熱源から蒸発器へ流れる高温ガスの流量を調節する装置を備えている。調節装置としては、蒸発器の下流側に設けられた送風機や蒸発器の上流側に設けられた弁がある。このような調節装置は、該調節装置を作動あるいは非作動に切り換えるためのデジタル信号と、該調節装置の位置を調節するためのアナログ信号を発生させることによって制御される。
Patent JP-2010528228-A (JP)
Title: ディーゼル排出微粒子状物質を処理するためのシステム及び方法
IPC: F01N3/02
Filed: 2008-05-23
Abstract: 【解決手段】ディーゼルエンジン由来の微粒子状物質を回収、燃焼するための微粒子コンバータは、ディーゼルエンジンから該微粒子コンバータを通じて延びる排気経路を備える。該微粒子コンバータは、さらにハウジング及び該ハウジングに位置する少なくとも一つのキャンドルを備える。電気的燃焼システムは、該キャンドル内で回収されるすすを燃焼するためのパルス電源に電気的に接続されてもよい。ディーゼル酸化触媒（ＤＯＣ）は、十分な量のＮＯ ２ を生成して燃焼を補助するための排気経路に配置されてもよい。排気温度の制御のために、少なくとも一つの排気冷却装置を設けることができる。フィードバック制御システムは、ＤＰＣにわたる圧力低下、ＤＰＣ以前の温度及びエンジンＲＰＭに基づいて、排気ガス温度を制御できる。 【選択図】図１
Patent JP-2010528972-A (JP)
Title: 高い早期圧縮強度を有する超急結性セメント系組成物
IPC: C04B24/02
Filed: 2008-05-30
Abstract: セメントボード用の急結性組成物を作製する方法を開示する。ポルトランドセメント、フライアッシュ、石こう、アルカノールアミン及びリン酸塩を含む組成物を開示する。アルカノールアミンとリン酸塩の間の相乗的な相互作用のために、促進反応の効果が増進し、それによって急結性で、早期圧縮強度が増加した組成物を得ることができる。 【選択図】  図１
Patent JP-2010532865-A (JP)
Title: 突然変異の可能性を判定する方法
IPC: G01N21/65
Filed: 2008-06-25
Abstract: 本発明は、フィラグリンをコードする遺伝子に１つまたは複数の機能喪失型突然変異が存在する可能性を非侵襲的に測定する方法を対象とする。本発明の方法は、（ｉ）個体の角質層から振動スペクトル得ること；（ｉｉ）振動スペクトルから局所の天然保湿因子の量を判定すること；（ｉｉｉ）任意にステップ（ｉ）および（ｉｉ）を繰り返すこと；および（ｉｖ）個体の局所の天然保湿因子の量を基準値と比較することを含み、前記角質層は、フィラグリンをコードする遺伝子の前記１つまたは複数の機能喪失型突然変異が、天然保湿因子の濃度に影響を与える他の要因によりも天然保湿因子の濃度に対して強い影響力を与える、前記個体の身体部位の角質層である。
Patent JP-2010533019-A (JP)
Title: 円形のハプティックを有する可撓性眼内移植物
IPC: A61F2/16
Filed: 2008-07-10
Abstract: 水晶体嚢の中に配置するための可撓性眼内移植物（１０）であって、移植物は光学軸（ＸＸ’）を呈する実質的に円形形状の光学部分（１２）と、光学部分の外周に連結したハプティック部分（１４）とを含み、前記ハプティック部分（１４）は、接触部分（１６）とｎ個の変形可能な連結アーム（２４）とを含んでいる。接触部分（１６）は円弧形状のｎ個（ｎ≧２）の接触素子（１８）とｎ個の連結素子（２２）とにより構成され、前記ｎ個の接触素子（１８）はすべてが、同一の曲率半径を有し、それぞれが、水晶体嚢の赤道区域と接触した外端部（２０）を有し、前記ｎ個の連結素子（２２）はそれぞれの連結素子がそれぞれの端点を介して２つの連続する接触素子に連結しており、変形可能な曲線形状を呈し、接触素子よりもはるかに小さい剛性を呈する。ｎ個の変形可能な連結アーム（２４）はそれぞれが光学部分の外周（１２ａ）と接触素子（１８）とに連結している。 【選択図】  図１
Patent JP-2010533276-A (JP)
Title: 圧力容器
IPC: B65D53/02
Filed: 2009-05-29
Abstract: ポット状の容器本体１とそれに載せるための蓋２とを備え、その両方が、好ましくはバヨネットキャッチの周辺ロッキング部分によって着脱可能に一体にロックされ、かつゴムやプラスチックなどの弾性緩衝材料で作られた周囲封止リングを含み、周囲封止リングは、ポットの内部８を容器本体と蓋のロック位置で圧力降下に逆らって密閉する目的で、蓋の円形縁部とポットの円形縁部６とでなる領域内に位置し、封止リングの封止リップ９、１０は、蓋の縁部および容器本体の縁部と密接に接触し、その場合、自動圧力制御機構を作るために、封止リングは、封止リングの周囲の少なくとも１つの部分Ｌに、この少なくとも１つの部分Ｌが所与の値を上回る容器の内側の圧力の作用で変形させられるように形成され、それによって容器本体と蓋の間に通気ギャップを形成する、圧力容器。 【選択図】  図２
Patent JP-2010535984-A (JP)
Title: 自動車における燃料を圧送するためのサイドチャンネルポンプ
IPC: F02M37/10
Filed: 2008-07-14
Abstract: 燃料を圧送するためのサイドチャンネルポンプ（２）が、インペラ（４）内に配置された分流器（２０）を有している。この分流器（２０）はインペラ（４）のベーンチャンバ（２２）を個々の部分チャンバ（１１，１２）に分割している。半径方向で互いに内外に環状に延びる部分環状の通路（１５，１６）を備えた、インペラ（４）に向かい合って位置するハウジング部分（５，６）には、同じく分流器（２１）が配置されている。インペラ（４）におよびハウジング部分（５，６）にそれぞれ設けられた分流器（２０，２１）は、前記部分チャンバ（１１，１２）と前記部分環状の通路（１５，１６）とによって形成された圧送チャンバ（９，１０）の間でのオーバフローを可能にするために互いに間隔を置いて配置されている。これにより、サイドチャンネルポンプ（２）は高い効率および特に小さな半径方向寸法を有している。