baber/WOPTO huggingface dataset:
Patent JP-2005501932-A (JP)
IPC: A61K47/38
Filed: 2002-08-23
Abstract: An aqueous air foam comprising a non-crosslinked cellulose ether selected from C1-C3-alkyl celluloses, C1-C3-alkylhydroxy-C1-3-alkyl celluloses, hydroxy-C1-3-alkyl celluloses, or mixed hydroxy-C1-C3-alkyl celluloses, the foam having quality FQ of from 60 to 97 percent and the foam quality being defined as FQ (%)=(air volume+fluid volume)x100).
Patent JP-2005504399-A (JP)
Title: 他人のプロフィールを用いた、推薦装置による個人プロフィールの変更
IPC: H04N21/466
Filed: 2002-09-17
Abstract: 【課題】ユーザの嗜好プロフィールにより提供された選択肢を、他人の嗜好、特に同じ家庭内のユーザの嗜好に基づいて拡張する機構を提供すること。 【解決手段】テレビ番組を推薦する電子番組ガイドのような、データ・クラスの推薦装置により、ユーザは、他のユーザのプロフィールを利用して、自分の内在的プロフィールを変更することができる。例えば、あるユーザが、友人のプロフィールにより選択された番組を気に入った場合、このユーザは、友人のプロフィール部分を自分のプロフィールに加えて、各部分を置換するか、または好まれているデータ・クラスを示す記述子の結合体を形成するかの何れにより、自分のプロフィールを変更することができる。一実施例の場合、変更を行うユーザが、この変更を行うために用いる友人のプロフィールの特定部分を選択することができるように、特徴へのラベル付けを行うことができる。このラベル付けは、特徴-値の得点、またはバージョン空間の特定化された説明のような好ましい対象事項を定義した説明内で他の部類と相互相関する頻度が高い部類、に基づいて行うことができる。
Patent JP-2005508482-A (JP)
Title: ２段電動コンプレッサ
IPC: H01M8/04
Filed: 2001-11-08
Abstract: 【課題】低流量にて高圧力比を提供し、しかも動力消費量が少ない設計とされた電動コンプレッサである。コンプレッサは燃料電池システム内の効率を最適化し得る設計とされている。しかし、本発明のコンプレッサは燃料電池システムの用途にのみ限定されるものではない。 【解決手段】 【選択図】図１
Patent JP-2005510433-A (JP)
IPC: B65G47/84
Filed: 2002-11-27
Abstract: Installation for assembling tube components, particularly bodies ( 1 ) with shoulders, comprising the following elements arranged in succession: a linear body conveyor ( 4 ), a transfer system ( 7 ) designed to apply a change in orientation to the bodies ( 1 ) of about 90°, an assembly unit ( 8 ) for fixing the shoulders to the bodies ( 1 ), characterized in that the transfer system ( 7 ) consists of a device ( 9 ) for gripping the bodies and of a device ( 17 ) for changing the orientation of the bodies, the orientation-change device comprising a rotary conveyor ( 17 ), of the conveyor belt type, which is arranged at right angles to the direction of the linear conveyor ( 4 ), the said rotary conveyor ( 17 ) comprising a belt ( 18, 19 ) rotating about a direction that makes an angle of about 45° with the direction of the linear conveyor ( 4 ), the belt ( 18, 19 ) comprising elements ( 15 ) for grasping the bodies, the shape of which is designed so that the bodies ( 1 ) are initially grasped on one of the sides of the rotary conveyor ( 17 ), in a direction parallel to that of the linear conveyor ( 4 ), and that they undergo a change in orientation by 90° when they pass to the other side of the rotary conveyor ( 17 ).
Patent JP-2005511358-A (JP)
Title: グラフィックを形成するための積層体の組立体
IPC: B32B3/18
Filed: 2002-10-11
Abstract: 各積層体がグラフィックの一部のみを含み、そのグラフィック部分はその裏主面に沿って感圧接着剤層を有する積層体の組立体。積層体中のグラフィック部分は、接着剤層によって所定の相対的方向で基材に接着して所定の形状を有するグラフィックを形成するように構成している。各積層体は、互いに反対側にある外主面および内主面を有しグラフィック部分を覆う独立したポリマーカバーシートと、互いに反対側にある前主面および後主面を有する取り外し可能な感圧接着剤層とをさらに含み、取り外し可能な感圧接着剤層は、カバーシートの内主面と同延であり且つカバーシートの内主面と接着される後面を有し、グラフィック部分の前面と接着される前面を有する。積層体中のカバーシートは、積層体中のグラフィック部分が所定の相対的方向にある場合にのみ端部間で係合するように成形された不規則であり目視で区別可能な係合端部を有する。
Patent JP-2005516467-A (JP)
Title: デジタル通信方法及び装置
IPC: H04L27/34
Filed: 2003-01-23
Abstract: 周波数直交分割多重方式において平均電力に対する最大電力比率(ＰＡＰＲ)を減少させる有無線通信方法及び装置を提供する。   本発明は、(ｎ，ｋ)線形ブロック符号の一般の標準配列においてＰＡＰＲを最小化するベクトルを剰余類の代表に定め、ｋビットの情報に該当するｎビットの符号語に剰余類の代表を加えてＵ(≦２ ｎ−ｋ )個のベクトルを作ってＰＡＰＲが最も小さい数列を転送する。次いで、受信側ではシンドロームと剰余類の代表に対する情報のみを知っていれば、受信ベクトルのシンドロームのみを利用して簡単に元来の転送信号を復元できる。その結果、本発明に係る符号化方式は任意の副搬送波数Ｎにかかわらず設計でき、Ｕを増加させることによって性能を向上させられる。また、本発明に係る符号化方式は、従来の選択的写像方法(ＳＬＭ)とは違い、どの剰余類が選択されたかに対する情報を追加に受信端に転送しなくてすむ。
Patent JP-2005515902-A (JP)
IPC: B22D21/04
Filed: 2003-01-31
Abstract: A method for casting articles from metal foam includes a molten metal bath and a foam forming means. The foam is drawn into a ladle, within a heated chamber, which transports a foam sample to a mold. The ladle deposits the foam sample into the mold and the mold is closed. Once cooled and hardened the formed article is removed. The system of the invention comprises a molten metal bath, a heated foam collecting chamber, a ladle for drawing a sample of the foam and for transporting the sample to a mold. The present invention provides an apparatus for carrying out.
Patent JP-2005520533-A (JP)
Title: 植物由来の栄養分豊富な塩の製造
IPC: A23L1/30
Filed: 2002-03-27
Abstract: 本発明は、高比率で塩を蓄積している食用の耐塩性含油植物から、塩と油の両方を同時に回収できるような方法で行う、栄養素豊富な塩の製造について記載している。前記植物に対し、海水を定期的に、さらに苦汁によって栄養価を高めた海水および／または必須栄養素を含有するその他のタイプの廃棄物／副産物を時折給液し、前記植物中におけるこのような栄養素のレベルを高める。
Patent JP-2005521957-A (JP)
Title: 特定の位置についての情報のデータベースを有する情報サーバ及び遠隔地からデータベースへアクセス及び照会するための電話機
IPC: G06F17/30
Filed: 2003-02-14
Abstract: 情報サーバ及び対応する電話機が開示され、当該サーバは、各レコードが位置タグによって識別され且つ特定の位置についての情報を含む、複数のレコードのデータベースを含み、前記位置タグの少なくとも幾つかは、対応する特定の位置でビジネスを遂行する組織体の名称の記述ではなく且つ前記対応する特定の位置のアドレスの部分を形成いない。対応する通信電話機を使用して、ユーザは、遠隔地から電話機のキーパッドを使用して位置タグを入力して前記データベースにアクセス及び照会して、当該位置タグによって識別されるレコードに含まれる特定の位置についての情報を検索できる。また、特定の位置に配置されると共に前述のタイプの位置タグを伝え、且つ、特にビルディングに取り付けられる壁板状物の形態であり、前記位置タグによって識別されるレコードに含まれる情報は、前記ビルディング内のビジネスを遂行する組織体に関するサインが、開示される。
Patent JP-2005528822-A (JP)
Title: 螺旋状結合器
IPC: H01P5/18
Filed: 2003-02-26
Abstract: マイクロ波回路は、より高密度、より小さな容積で、従来の結合器の機能を実現する螺旋状結合器を使用する。その上に金属層が設けられた複数の基板層が結合されパッケージを形成する。接触パッドまたは他の回路へ延びた線から螺旋状部を分離するために、複数の接地平面が使用される。
Patent JP-2005197356-A (JP)
Title: Semiconductor device and manufacturing method thereof, circuit board, and electronic equipment
Inventor: SATO NAOYA
IPC: H01L21/60
Filed: 2004-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device for improving packaging precision, a method for manufacturing the semiconductor device, a circuit board, and electronic equipment.  <P>SOLUTION: The semiconductor device comprises a substrate 10 in which a plurality of leads are formed, a semiconductor chip 100 that is mounted on the substrate 10 while a plurality of electrodes 24 and leads are electrically connected opposingly, and an insulating film 18 positioned in a region overlapping with the semiconductor chip 100 on the substrate 10. The insulating film 18 includes first and second portions 42, 44. The first portion 42 is positioned so that it opposes a first side 62 facing the first direction of either electrode 24. The second portion 44 is positioned so that it opposes a second side 64 facing the second direction crossing the first direction of either electrode 24.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194776-A (JP)
Title: Tatami mat edge
Inventor: NISHIHARA HIROSHI
IPC: D02G3/28
Filed: 2004-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a glossy tatami mat edge with moderate rigidity.  <P>SOLUTION: Multifilament yarn formed by bundling variant cross section fibers, and monofilament yarn formed of single fiber, are paralleled and woven as weft with warp into the tatami mat edge.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194083-A (JP)
Title: Image recording device
Inventor: MURAOKA MASAYUKI
IPC: B65H31/26
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image recording device capable of installing a sheet accommodation tray certainly on the surface where the device is placed, dropping sheets of recording material on the tray and stack neatly and taking out easily, and preventing the sheets from contamination, folding, flaw, etc.  <P>SOLUTION: The image recording device 1 is structured so that sheets as the recording material 5 of a plastic support is wound on the peripheral surface of a drum 30 which is rotated for scanning and exposure of the image with a light source and the exposed sheets 5 are ejected onto the stacking surface, where a certain fall exists from the ejection position to the stacking surface, and a guide is provided in the neighborhood of the lower roller of a final transport roller couple, wherein the accommodation tray 40 is placed on the device placing surface, and the wall surface 40a on the ejection side of the tray 40 is positioned upstream in the ejecting direction from the end face of the guide in the downstream in the ejecting direction.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005203503-A (JP)
Title: Transformer
Inventor: WATANABE TAKUMI
IPC: H01F27/28
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transformer with is reducible in size despite it is specified for handling a large current.  <P>SOLUTION: In this transformer wherein a primary coil 2 and a secondary coil 3a are array-wound on a bobbin 1 with an insulating layer 4 between, the secondary coil 3a is constituted of a rectangular wire.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005202195-A (JP)
Title: Light source device and projection type display device
Inventor: NAGATA MITSUO
IPC: G03B21/00
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light source device suitable for a compact projection type display device, made compact and having high luminance, and also to provide a projection type display device using the light source device.  <P>SOLUTION: The light source device has a solid light source 21 for emitting light, a compression means 30 for compressing a coolant, a heat radiation means 40 for radiating the heat of the compressed coolant to the outside, a decompression means 50 for decompressing the coolant whose heat has been radiated, and a heat absorption means 60 for making the decompressed coolant absorb the heat. The solid light source 21 and the heat absorption means 60 are thermally connected.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199584-A (JP)
Title: Recording apparatus and method for controlling recording apparatus
Inventor: MORIYAMA TAKASHI
IPC: B41J19/18
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recording apparatus capable of suppressing ink staining of a sheet and a method for controlling the recording apparatus.  <P>SOLUTION: In the recording apparatus wherein one end 61A of a flexible flat cable 61 for transmitting a signal to a recording head 20 is held by a carriage 21 mounting a recording head 20, and the other end 61B is bent through a bending part 61C and is held on a base frame 15 facing to the carriage 21, and the position of the bending part 61C is moved with movement of the carriage 21, a controller is equipped, and the controller controls to decrease the moving speed of the carriage 21 when the carriage 21 is moved in an end part region of the base frame 15 on the side where the bending part 61C is moved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204508-A (JP)
Title: Apparatus for cutting noodle sheet
Inventor: TERAUCHI TAKAHIRO
IPC: A21C11/24
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for cutting a noodle sheet with which even the noodle sheet produced from much hydrated dough can completely be cut and noodle strips each having a good cut face can be produced.  <P>SOLUTION: The noodle sheet inserted between both of cutting blades 20 and 24 by making a difference in peripheral speed of the cutting blades 20 and 24 of cutting blade rollers 14 and 16 freely rotatably with bearing cases 10 and 12 is cut by procedures of draw-cutting of sliding a knife not by press cutting. Thereby, the noodle strips 36 having the good cut face are obtained.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005210385-A (JP)
Title: Method and device for buffer sharing with other devices
Inventor: MIZUSAWA YOSHIKI
IPC: H04L12/801
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and device for a buffer sharing with other devices that can expand a frame buffer memory, without replacing devices.  <P>SOLUTION: The buffer-sharing device is equipped with a reception part 2 which receives a frame; a frame buffer 1 which temporarily stores the frame; a buffer pointer managing part 3 which manages the pointer of the frame buffer 3 stored with the frame; a protocol processing part 4 which finds the transmission destination of the frame from the frame header, a QoS scheduler part 5, having the queuing function of performing priority control to the protocol processing part 4 and a transmission part 6, the transmission part 6 which transmits the frame; an address table 7 which is connected to the protocol processing part 4 and stores a frame evasion table; and a frame avoidance managing part 8 which performs on/off-control over a table rewriting mode with respect to the protocol processing part 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005210459-A (JP)
Title: Drawing device
Inventor: KANDA MITSUO
IPC: H04L12/24
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To realize a drawing device for enabling an equipment connection diagram to be drawn, even in a small-scale system, which does not have a relational database or a server machine.  <P>SOLUTION: The drawing device draws an equipment connection diagram by a drawing processing means for acquiring the image information of equipment that is subjected to piping connection and the connection information among equipment. Further, the device has a connection information retaining means for retaining the connection information as an independent file.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206434-A (JP)
Title: Manufacturing process of microparticle dispersion glass and ultraviolet cut filter
Inventor: TAKESHIMA NOBUHITO
IPC: G02B5/22
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing process of glass in which microparticles of a semiconductor compound containing sulfur, selenium or tellurium are dispersed and microparticle dispersion glass which does not require heat treatment, and an ultraviolet cut filter using the glass.  <P>SOLUTION: The manufacturing process of the microparticle dispersion glass comprises mixing glass as a glass matrix, a compound containing a substitution substance including at least one kind selected from sulfur, selenium and tellurium and zinc oxide to obtain a mixture, melting the mixture by heating and cooling it so that the oxygen in the zinc oxide is substituted with the substitution substance through substitution reaction and miroparticles consisting of zinc and the substitution substance is deposited in the glass. Preferably, the concentration of the substitution substance to be added in the mixture such as sulfur, selenium and tellurium is so adjusted in advance as to obtain a desired particle size.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208465-A (JP)
Title: Positive photopolymer composite
Inventor: ARAI NANA
IPC: G03F7/022
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a positive photopolymer composite which can be processed in alkali development having a high refractive index.  <P>SOLUTION: This positive photopolymer composite contains inorganic particles of 1 to 30 nm in the diameter, with at least one kind chosen from among the particles of (A) polymer whose principal component structural unit is expressed by general Formula (1), (B) a compound having more than one among a thioether group, a fluorene group, and a sulfonyl group, and containing a phenol hydroxyl group and/or a thiophenol group, (C) an esterified quinonediazido compound, and (D) an aluminium compound, a silicon compound, a tin compound, a titanium compound, and a zirconium compound. In the general Formula (1), R<SP>1</SP>is a divalent to octavalent organic group having two or more carbon atoms, R<SP>2</SP>a divalent to hexavalent organic group having two or more carbon atoms, and R<SP>3</SP>hydrogen or an organic group of carbon number 1-20. The sign n represents integers from 10 to 100,000, m from 0 to 2, p and q from 0 to 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005205580-A (JP)
Title: Working tool
Inventor: AOKI YOUNOSUKE
IPC: B25D11/12
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technology capable of easily switching the forcible excitation and forcible excitation release of a dynamic vibration absorber in a working tool.  <P>SOLUTION: The working tool 101 comprises a tool bit 119, a driving element 131, a cylinder 129, operating mechanisms 125 and 127 to perform the predetermined work by driving the tool bit 119 in a straight manner via the driving element 131, and a dynamic vibration absorber 141 to control the vibration during the working. The dynamic vibration absorber 141 is set in a straight motion when the urging force by an elastic element 153 is applied, and has a weight 145 to be driven by the drive of the operating mechanisms 125 and 127 via the fluctuating pressure generated in a crank chamber 121. The cylinder 129 is moved to close a vent hole 163 under the load drive to permit the drive of the weight 145 by the fluctuating pressure in the crank chamber 121, and moved to the position to open the vent hole 163 under the no-load drive to regulate the drive of the weight 145.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217730-A (JP)
Title: Piezoelectric oscillator
Inventor: SASAGAWA RIYOUMA
IPC: H03B5/32
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a piezoelectric oscillator suitable for miniaturization of the entire structure.  <P>SOLUTION: In the piezoelectric oscillator, a rectangular container body 1 housing a piezoelectric vibrating element 5 in the inside is fixed on a rectangular packaging base 6 on which an IC element 7 for outputting an oscillation signal corresponding to the oscillation frequency of the element 5 is mounted on the top surface, via a plurality of spacer members 12 consisting of metallic posts disposed along the external periphery of the packaging base 6. In the piezoelectric oscillator, a recessed 13 is formed on the top surface of each of the spacer members 12, and the inside surface of the recessed 13 is electrically connected to a joining pad 16 provided on the bottom surface of the container body 1 so as to face the top surface of the spacer member 12 via a conductive joining material 15 housed in the recessed 13.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214800-A (JP)
Title: Radiation image sensor
Inventor: SUGANUMA MASAHIRO
IPC: H04N5/32
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a radiation image sensor secured of moisture resistance in the radiation image sensor, provided with a panel of an structure capable of detecting the radiation image, at least up to one side periphery.  <P>SOLUTION: The image sensor part 1 is mounted on the mounting substrate 20 and fixed with a bonding material, the light sensitive part 11 of the image sensor 1 is arranged at least reaching near the periphery part. The moisture protection film 18, covering the scintillator layer 16 of the image sensor part 1, is made to reach the rear face of the base plate of the image sensor 1 over the adjacent sidewall of the optical induction part 11, and is held and fixed between the image sensor part 1 and substrate 20.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214084-A (JP)
Title: Regenerative apparatus for particulate filter
Inventor: YOKOYAMA HITOSHI
IPC: F01N3/02
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a DPF (Diesel Particulate Filter) from being damaged.  <P>SOLUTION: This regenerative apparatus for the particulate filter comprises the DPF 5, an inlet side pressure lead-in pipe 14 and an outlet side pressure lead-in pipe 15 for leading pressures at the inlet and outlet sides of the DPF 5, pressure differential sensors 6 connected to the inlet side pressure lead-in pipe 14 and the outlet side pressure lead-in pipe 15 and detecting a pressure difference (a pressure difference across the filter) across the inlet side and the outlet side of the DPF 5, and temperature sensors 13 and 13 as a lead-in exhaust gas flow determination means for determining whether an exhaust gas flow occurs in the pressure lead-in pipes 14 and 15 or not. When the exhaust gas flow is determined to occur in at least either of the inlet side pressure lead-in pipe 14 and the outlet side pressure lead-in pipe 15, the DPF 5 is regenerated when the collected amount of exhaust particulates collected to the DPF 5 calculated without using the pressure difference across the filter reaches a pre-set specified amount.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005211888-A (JP)
Title: Wallpaper shredding system
Inventor: IRIE NAOYUKI
IPC: B02C23/08
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To obtain fine flakes which contain no foreign matter such as iron pieces and are suitable for recycling by shredding wallpaper.  <P>SOLUTION: A wallpaper shredding system is provided with: a first shredder 1 for coarsely shredding the wallpaper; a magnetic separator 3 for removing the iron pieces mingled in the flakes of coarsely shred wallpaper; a second shredder 4 for finely shredding the flakes from which the iron pieces are removed; a tubular connection part 9 which connects the discharging port of the first shredder 1 and the charging port of the second shredder 4 via the magnetic separator 3; and a blower 6 which produces wind force for sending the wallpaper flakes coarsely shred by the first shredder 1 to the second shredder 4 via the connection part 9. By attracting the iron pieces from coarsely shred wallpaper flakes, the iron pieces which has not yet become too small can be easily removed. The flakes are dried by frictional heat produced in the first shredder 1 and wind force of the blower 6 to facilitate separation of the iron pieces from the flakes.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005218470-A (JP)
Title: Flower offering table
Inventor: TAKAHASHI IZUMI
IPC: A47G7/04
Filed: 2004-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flower offering table which enables the shifting of the facing thereof so as to make the living flowers, the anise trees and the like mounted therein and the contents carried on the picture frames look better, for example, to the attendants by enabling the mounting thereof on the wall.  <P>SOLUTION: The flower offering table has a receiving base 13 on which the living flower 7 is mounted, a holding part 11 provided with a mounting part 14 having an upper groove part 20 and a lower groove part 21 where the picture frame 12 is mounted, a mounting part 10 having a hook part allowing the mounting thereof on the wall 9 and a link part 25 adapted to link the mounting part 10 to the holding part 11 so that the holding part 11 can swing in the direction indicated by an arrow 37 almost centering around the vertical axis with the mounting part 10 mounted on the wall 9.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004237283-A (JP)
Title: Improved multiphase mixing device with staged gas introduction
Inventor: MCDOUGALD NEIL K
IPC: B01J8/04
Filed: 2004-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an improved multiphase mixing device with staged gas introduction.  <P>SOLUTION: A mixing system provides improved mixing of quench gas and process fluids in the interbed zone of limited height in a downflow reactor while minimizing pressure loss. The mixing system includes a horizontal collection tray, a mixing chamber positioned below the collection tray, at least one spillway passage for liquid and vapor flow extending through the collection tray into the mixing chamber, and a vapor slipstream passageway extending through the collection tray into the mixing chamber for directing a vapor slipstream from above the collection tray into the mixing chamber. The mixing chamber below the collection tray defines a two-phase mixing volume. The vapor slipstream passageway normally has a plurality of vapor inlets arranged to impart rotational movement to the vapor phase when it enters the mixing chamber. As a result of providing at least one additional passageway for a vapor slipstream, significant reacceleration of the vapor phase is achieved in the mixing chamber resulting in improvement in mixing efficiency of both the vapor and liquid phases.  <P>COPYRIGHT: (C)2004,JPO&NCIPI