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1. WO2020117445 - 3D PRINTED FILTER CENTER TUBE

Publication Number WO/2020/117445
Publication Date 11.06.2020
International Application No. PCT/US2019/061379
International Filing Date 14.11.2019
IPC
B01D 29/21 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
11with bag, cage, hose, tube, sleeve or like filtering elements
13Supported filter elements
15arranged for inward flow filtration
21with corrugated, folded or wound sheets
B01D 29/33 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
11with bag, cage, hose, tube, sleeve or like filtering elements
31Self-supporting filtering elements
33arranged for inward flow filtration
B01D 29/58 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
29Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/-B01D27/170;   Filtering elements therefor
50with multiple filtering elements, characterised by their mutual disposition
56in series connection
58arranged concentrically or coaxially
B01D 39/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material
16of organic material, e.g. synthetic fibres
B01D 46/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/24 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
CPC
B01D 2201/0415
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2201Details relating to filtering apparatus
04Supports for the filtering elements
0415Details of supporting structures
B01D 2201/184
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2201Details relating to filtering apparatus
18Filters characterised by the openings or pores
184Special form, dimension of the openings, pores of the filtering elements
B01D 2239/065
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2239Aspects relating to filtering material for liquid or gaseous fluids
06Filter cloth, e.g. knitted, woven non-woven; self-supported material
065More than one layer present in the filtering material
B01D 2239/10
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2239Aspects relating to filtering material for liquid or gaseous fluids
10Filtering material manufacturing
B01D 2239/1216
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2239Aspects relating to filtering material for liquid or gaseous fluids
12Special parameters characterising the filtering material
1216Pore size
B01D 2265/06
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2265Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
06Details of supporting structures for filtering material, e.g. cores
Applicants
  • CATERPILLAR INC. [US]/[US]
Inventors
  • IMMEL, Jon T.
  • RODRIGUEZ, Javier A.
Agents
  • FISHER, Bart A.
  • BECKMAN, William A.
  • CARTER, Janda M.
  • EARLE, Kevin C.
  • ROBERSON, Keith P.
Priority Data
16/211,39506.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) 3D PRINTED FILTER CENTER TUBE
(FR) TUBE CENTRAL DE FILTRE IMPRIMÉ 3D
Abstract
(EN)
A filter center tube (100) includes a plurality of layers of solidified material including a first layer (102) with a first undulating strip (104) of solidified material extending in a first predetermined direction (106), and a second layer (108) with a second undulating strip (110) of solidified material extending in a second predetermined direction (112). The first layer (102) is in contact with the second layer (108) and the first predetermined direction (106) is not parallel with the second predetermined direction (112), forming a plurality of pores (114) therebetween.
(FR)
Un tube central de filtre (100) comprend une pluralité de couches (402, 402') de matériau solidifié comprenant une première couche (102) avec une première bande ondulée (104) de matériau solidifié s'étendant dans une première direction prédéterminée (106), et une seconde couche (108') avec une seconde bande ondulée (110') de matériau solidifié s'étendant dans une seconde direction prédéterminée (112). La première couche (102) est en contact avec la seconde couche (108') et la première direction prédéterminée (106) n'est pas parallèle à la seconde direction prédéterminée (112), formant une pluralité de pores (410, 114') entre elles.
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