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1. WO2021081341 - FILTRATION AND DEAERATION SYSTEM

Publication Number WO/2021/081341
Publication Date 29.04.2021
International Application No. PCT/US2020/057084
International Filing Date 23.10.2020
IPC
B01D 19/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
19Degasification of liquids
B01D 29/52 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
52in parallel connection
CPC
B01D 19/0031
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
19Degasification of liquids
0031by filtration
B01D 19/0042
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
19Degasification of liquids
0042modifying the liquid flow
B01D 2201/298
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2201Details relating to filtering apparatus
29Filter cartridge constructions
291End caps
298End caps common to at least two filtering elements
B01D 29/58
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
50with multiple filtering elements, characterised by their mutual disposition
56in series connection
58arranged concentrically or coaxially
B01D 36/001
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
36Filter circuits or combinations of filters with other separating devices
001Filters in combination with devices for the removal of gas, air purge systems
B01D 46/0021
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters ; , i.e. particle separators; or filtering processes specially modified for separating dispersed particles from gases or vapours
0019with multiple filtering elements, characterised by their mutual disposition
002connected in parallel
0021arranged concentrically or coaxially
Applicants
  • DONALDSON COMPANY, INC. [US]/[US]
Inventors
  • MADSEN, Mike J.
  • CRONIN, Michael J.
Agents
  • NIKHANJ, Rakhi D.
  • ARNESON, Laura N.
Priority Data
62/924,90123.10.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FILTRATION AND DEAERATION SYSTEM
(FR) SYSTÈME DE DÉSAÉRATION ET DE FILTRATION
Abstract
(EN)
A deaeration system is disclosed. A preliminary filtration stage is configured to filter particles from and nucleate gas in a fluid stream to create a filtered fluid stream. A primary filtration stage is downstream of the preliminary filtration stage configured to separate the filtered fluid stream into a first liquid stream and an air cavity concentrate stream. A secondary filtration stage is configured to receive the air cavity concentrate stream and separate the air cavity concentrate stream into a second liquid stream and a gas stream.
(FR)
L'invention concerne un système de désaération. Un étage de filtration préliminaire est conçu pour filtrer des particules émanant d'un courant de fluide et nucléer un gaz dans le courant de fluide pour créer un courant de fluide filtré. Un étage de filtration primaire se trouve en aval de l'étage de filtration préliminaire conçu pour séparer le courant de fluide filtré en un premier courant de liquide et un courant de concentré à cavité d'air. Un étage de filtration secondaire est conçu pour recevoir le courant de concentré à cavité d'air et séparer le courant de concentré à cavité d'air en un second courant de liquide et un courant de gaz.
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