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1. WO2020112118 - PRINT AGENT FILTRATION

Publication Number WO/2020/112118
Publication Date 04.06.2020
International Application No. PCT/US2018/063104
International Filing Date 29.11.2018
IPC
G03G 21/00 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
21Arrangements not provided for by groups G03G13/-G03G19/92
B01D 35/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
35Filtering devices having features not specifically covered by groups B01D24/-B01D33/, or for applications not specifically covered by groups B01D24/-B01D33/230; Auxiliary devices for filtration; Filter housing constructions
06Filters making use of electricity or magnetism
CPC
B01D 35/06
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
35Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
06Filters making use of electricity or magnetism
G03G 21/00
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
21Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • CHERTOV, Igor
  • TRIFONOV, Sergei
  • SCHLUMM, Doron
Agents
  • PERRY, Garry A.
  • NICHOLS, Steven L.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PRINT AGENT FILTRATION
(FR) FILTRATION D'AGENT D'IMPRESSION
Abstract
(EN)
A print agent filtration apparatus is disclosed. The filtration apparatus is to remove non-liquid contaminant from liquid carrier. The apparatus comprises an electrode having a first surface, wherein the electrode is to generate an electric field towards liquid carrier containing non-liquid contaminant. The apparatus further comprises a second surface to accumulate non-liquid contaminant removed from the liquid carrier, the second surface being formed at least in part from a ceramic and movable relative to the first surface. A gap between the first surface and the second surface is substantially constant over the extent of the first surface. The first surface and the second surface define a passage therebetween through which the liquid carrier may pass. An electric field formed between the first surface and the second surface is to act on the liquid carrier, to thereby cause non-liquid contaminant to adhere to the second surface. A method and a print apparatus are also disclosed.
(FR)
L'invention concerne un appareil de filtration d'agent d'impression. L'appareil de filtration sert à éliminer un contaminant non liquide d'un support liquide. L'appareil comprend une électrode ayant une première surface, l'électrode servant à générer un champ électrique vers un support liquide contenant un contaminant non liquide. L'appareil comprend en outre une seconde surface servant à accumuler un contaminant non liquide retiré du support liquide, la seconde surface étant formée au moins en partie à partir d'une céramique et étant mobile par rapport à la première surface. Un espace entre la première surface et la seconde surface est sensiblement constant sur l'étendue de la première surface. La première surface et la seconde surface définissent entre elles un passage à travers lequel le support liquide peut passer. Un champ électrique formé entre la première surface et la seconde surface est destiné à agir sur le support liquide de façon à amener un contaminant non liquide à adhérer à la seconde surface. L'invention concerne également un procédé et un appareil d'impression.
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