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WO1990005589A3 - Separateur electrostatique et machine a copier electrophotographique le mettant en oeuvre - Google Patents

Separateur electrostatique et machine a copier electrophotographique le mettant en oeuvre Download PDF

Info

Publication number
WO1990005589A3
WO1990005589A3 PCT/NL1989/000086 NL8900086W WO9005589A3 WO 1990005589 A3 WO1990005589 A3 WO 1990005589A3 NL 8900086 W NL8900086 W NL 8900086W WO 9005589 A3 WO9005589 A3 WO 9005589A3
Authority
WO
WIPO (PCT)
Prior art keywords
particles
electrodes
outlets
fluid
same
Prior art date
Application number
PCT/NL1989/000086
Other languages
English (en)
Other versions
WO1990005589A2 (fr
Inventor
Benzion Landa
Original Assignee
Spectrum Sciences Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spectrum Sciences Bv filed Critical Spectrum Sciences Bv
Publication of WO1990005589A2 publication Critical patent/WO1990005589A2/fr
Publication of WO1990005589A3 publication Critical patent/WO1990005589A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C5/00—Separating dispersed particles from liquids by electrostatic effect
    • B03C5/02—Separators
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/104—Preparing, mixing, transporting or dispensing developer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Separation (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Le filtre décrit (30), qui sert à séparer en deux courants, un fluide en écoulement contenant des particules chargées, à savoir un courant sensiblement exempt de particules et un courant chargé de particules, comprend un conduit principal (31) comportant à une extrémité une entrée (32) destinée à recevoir le fluide en écoulement et comportant deux sorties (33, 34) en aval de l'extrémité, lesquelles servent à diviser l'écoulement en deux trajets d'écoulement de sortie. Une paire d'électrodes (33, 34) entre lesquelles s'écoule le fluide, est disposée dans le conduit principal (31) en aval des sorties (33, 34); et chacune des sorties est associée à une électrode correspondante (35 ou 36). Des sources de tension sont connectées aux électrodes (35, 36) de sorte que l'une des électrodes est plus positive que l'autre afin d'établir, dans le fluide s'écoulant entre les électrodes (35, 36), un champ électrique ayant une composante (E) transversale à la direction d'écoulement. Ainsi, les particules présentes dans le champ sont attirées vers l'une des électrodes (35, 36) et pénètrent dans la sortie (33, 34) associée à elles. Un revêtement diélectrique (38) en matériau inhibiteur se présentant sous la forme d'un polymère de fluorosilicone est appliqué sur la surface de l'une des électrodes (36) pour empêcher le dépôt électrolytique des particules sur elle, pendant que le fluide s'écoule dans le conduit (31).
PCT/NL1989/000086 1988-11-21 1989-11-21 Separateur electrostatique et machine a copier electrophotographique le mettant en oeuvre WO1990005589A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/273,831 US5036365A (en) 1988-11-21 1988-11-21 Field assisted filter and electrophotographic copying machine using the same
US273,831 1988-11-21

Publications (2)

Publication Number Publication Date
WO1990005589A2 WO1990005589A2 (fr) 1990-05-31
WO1990005589A3 true WO1990005589A3 (fr) 1990-08-09

Family

ID=23045583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1989/000086 WO1990005589A2 (fr) 1988-11-21 1989-11-21 Separateur electrostatique et machine a copier electrophotographique le mettant en oeuvre

Country Status (4)

Country Link
US (1) US5036365A (fr)
EP (1) EP0444125A1 (fr)
JP (1) JPH04501979A (fr)
WO (1) WO1990005589A2 (fr)

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JPH03156482A (ja) * 1989-11-15 1991-07-04 Seikosha Co Ltd 磁気記録装置
EP0667003A4 (fr) * 1992-11-09 1996-11-27 Phoenix Precision Graphics Inc Purification continue de toners liquides.
US5914021A (en) * 1993-12-17 1999-06-22 Imsco, Inc. Apparatus and method for continuous extraction of a charged substance from a conductive fluid
US5647965A (en) * 1994-03-25 1997-07-15 Crose; James R. Apparatus and method for separating a charged substance from a conductive fluid
US5443709A (en) * 1993-12-17 1995-08-22 Imsco, Inc. Apparatus for separating caffeine from a liquid containing the same
US5634170A (en) * 1996-06-24 1997-05-27 Xerox Corporation Method and apparatus for sensing and cleaning developer fluid
US5861089A (en) * 1996-11-12 1999-01-19 Dow Corning Corporation Electric field enhanced coalescence of emulsions comprising a silicon containing compound or silicon containing polymer
JP3105836B2 (ja) * 1997-08-18 2000-11-06 新潟日本電気株式会社 液体現像剤の濃度検出、管理方法
US6154624A (en) * 1998-09-09 2000-11-28 Ricoh Company, Ltd. Image forming apparatus using a developing liquid
US6312113B1 (en) * 1999-10-29 2001-11-06 Marconi Data Systems Inc. Ink circulation system
US6692627B1 (en) * 2000-09-26 2004-02-17 Boise State University Electrical field flow fractionation (EFFF) using an electrically insulated flow channel
GB0112806D0 (en) * 2001-05-25 2001-07-18 Bp Exploration Operating Process
JP4330986B2 (ja) * 2003-09-24 2009-09-16 富士フイルム株式会社 インクジェット記録装置
US8038770B2 (en) * 2008-12-01 2011-10-18 Eaton Corporation Separator for degassing fluid
DE102009060334B4 (de) * 2009-12-23 2012-02-16 OCé PRINTING SYSTEMS GMBH Vorrichtung zum Entwickeln von auf einem Ladungsbildträger erzeugten Ladungsbildern bei einem elektrophoretischen Druckgerät
EP2812759B1 (fr) * 2012-02-07 2020-07-22 HP Indigo B.V. Électrophotographie liquide
KR20240015951A (ko) * 2022-07-28 2024-02-06 삼성전자주식회사 미세 입자 필터 장치, 미세 입자 필터 방법 및 이를 포함하는 세탁기

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US3936376A (en) * 1974-05-23 1976-02-03 Key Ii Industries Method for collecting scale formations in water pipes
US3972800A (en) * 1973-12-03 1976-08-03 King Arthur S Fluid treater having intensified electric field

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US3129115A (en) * 1961-04-17 1964-04-14 Xerox Corp Xerographic developing apparatus
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US3606531A (en) * 1968-09-30 1971-09-20 Gourdine Systems Inc Image reproduction using electrogasdynamics
US3655550A (en) * 1969-03-12 1972-04-11 Xerox Corp Electrostatic pigment filter
US3909383A (en) * 1969-04-24 1975-09-30 Xerox Corp Cleaning process
BE755061A (fr) * 1969-08-27 1971-02-01 Fuji Photo Film Co Ltd Procede et appareillage pour developper une image latente electrostatique
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JPS526090B2 (fr) * 1971-12-07 1977-02-18
JPS5616424B2 (fr) * 1973-06-15 1981-04-16
US3861861A (en) * 1973-08-10 1975-01-21 Xerox Corp Fuser roll cleaning apparatus
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JPS5815789B2 (ja) * 1975-10-01 1983-03-28 株式会社リコー デンシシヤシンフクシヤキニオケル オ−トバイアスゲンゾウホウホウ
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Publication number Priority date Publication date Assignee Title
US3972800A (en) * 1973-12-03 1976-08-03 King Arthur S Fluid treater having intensified electric field
US3936376A (en) * 1974-05-23 1976-02-03 Key Ii Industries Method for collecting scale formations in water pipes

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* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
WO1990005589A2 (fr) 1990-05-31
JPH04501979A (ja) 1992-04-09
EP0444125A1 (fr) 1991-09-04
US5036365A (en) 1991-07-30

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