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1. WO2006049598 - FUEL INJECTOR FILTER

Publication Number WO/2006/049598
Publication Date 11.05.2006
International Application No. PCT/US2004/035790
International Filing Date 28.10.2004
IPC
F02M 61/16 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
61Fuel injectors not provided for in groups F02M39/-F02M57/94
16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02-F02M61/14132
CPC
B01D 29/35
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
11with bag, cage, hose, tube, sleeve or like filtering elements
31Self-supporting filtering elements
35arranged for outward flow filtration
B01D 29/44
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
44Edge filtering elements, i.e. using contiguous impervious surfaces
B01D 35/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
35Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks,
F02M 61/165
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
61Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
16Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
165Filtering elements specially adapted in fuel inlets to injector
Applicants
  • ROBERT BOSCH GMBH [DE]/[DE] (AllExceptUS)
  • HARKEMA, Randall, C. [US]/[US] (UsOnly)
  • BENNETT, Josh [US]/[US] (UsOnly)
  • VANDER WEIDE, Derek [US]/[US] (UsOnly)
Inventors
  • HARKEMA, Randall, C.
  • BENNETT, Josh
  • VANDER WEIDE, Derek
Agents
  • BAIR, Joel, E.
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FUEL INJECTOR FILTER
(FR) FILTRE D'INJECTEUR DE CARBURANT
Abstract
(EN) A filter (100, 200) is provided especially for high aspect ratio particles in a conduit (102, 202) for a fuel injection system. The filter (100, 200) can be an edge filter (100) or a sack filter (200) with an annular gap (116, 212) between the filter section (106, 206) and the conduit wall sized smaller than previously known in order to filter high aspect ratio particles without significant changes in pressure drop. The edge filter (100) relates the gap (116) to grooves (118) in the filter section (106), and the sack filter (200) relates the gap (212) to the size of the holes (210) in the filter section (206).
(FR) L'invention concerne un filtre (100, 200) conçu spécialement pour des particules à rapport de forme élevé dans un conduit (102, 202) d'un système injecteur de carburant. Le filtre (100, 200) peut être un filtre marginal (100) ou un filtre sac (200) ayant un espace annulaire (116, 212) placé entre la section filtre (106, 206) et la paroi du conduit dont la taille est plus petite qu'auparavant afin de filtrer des particules à rapport de forme élevé sans modification importante au niveau de la chute de pression. Le filtre marginal (100) rapporte l'espace (116) aux cannelures (118) dans la section filtre (106), et le filtre sac (200) rapporte l'espace (212) à la taille des orifices (210) dans la section filtre (206).
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