EP0952882A1 - Dispositif pour extraire des particules de liquide d'un courant de gaz - Google Patents

Dispositif pour extraire des particules de liquide d'un courant de gaz

Info

Publication number
EP0952882A1
EP0952882A1 EP97951886A EP97951886A EP0952882A1 EP 0952882 A1 EP0952882 A1 EP 0952882A1 EP 97951886 A EP97951886 A EP 97951886A EP 97951886 A EP97951886 A EP 97951886A EP 0952882 A1 EP0952882 A1 EP 0952882A1
Authority
EP
European Patent Office
Prior art keywords
filter insert
liquid particles
gas stream
gas
module
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP97951886A
Other languages
German (de)
English (en)
Inventor
Hans-Werner Holch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
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 Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP0952882A1 publication Critical patent/EP0952882A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0087—Bypass or safety valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/0011—Breather valves
    • F01M2013/0016—Breather valves with a membrane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device
    • F01M2013/0427—Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter

Definitions

  • the invention relates to an arrangement for separating liquid particles from a gas stream, in particular as an oil mist separator, according to the preamble of the main claim.
  • a pressure control valve is switched into an intake path.
  • this pressure control valve is installed in a ventilation line between the crankcase and the intake pipe or the air filter in a motor vehicle by means of two flanges.
  • the invention is based on the object of developing an arrangement for separating liquid particles from a gas stream in accordance with the preamble of the main claim in a simple manner so that a compact module can be constructed in which a high degree of separation is reliably ensured with optimum pressure conditions.
  • the arrangement according to the invention is particularly advantageous in that a compact arrangement of both a cyclone for the first coarse separation of liquid speed particles and a downstream filter insert for further, finer separation stages in connection with a pressure control valve, which sits directly on the filter insert in a common housing, an optimal flow rate of the gas flow is ensured in a structurally simple manner.
  • the flow velocity of the gas corresponds in particular to the passage behavior of the filter inserts, so that the liquid drops that are formed are not carried away again by a gas flowing at too high a speed.
  • the size of the droplets that form as a function of the fiber structure of the filter insert also plays a role here.
  • the arrangement according to the invention is particularly advantageous according to one embodiment of a dependent claim with a multi-stage filter insert. Coarse separation and fine separation can be carried out with different layers of the filter insert, for example with a relatively narrow fiber structure and a relatively coarse fiber structure.
  • the necessary fine tuning of the flow velocity is possible in a simple manner by the pressure control valve immediately following in the flow direction. The flow velocity is optimized in such a way that the droplets with a size determined by the fiber structure are not carried away by the gas flow again, which would reduce the separation effect.
  • FIG. 1 An embodiment of the arrangement according to the invention for separating liquid particles from a gas stream is explained with reference to the drawing.
  • the figure of the drawing shows a section through a module with multi-stage separation of the liquid particles.
  • a separator module 1 is shown in the figure, in which the gas identified by arrows 3 enters the separator module 1 through a raw gas inlet 2.
  • a first cylinder 4 there is a cyclone which is formed by an internal cylinder 5 and which the inflowing raw gas by a guide device or the like. set in rotation. Liquid particles are radially accelerated by the rotation and then flow from the side walls of the cylinder 4 into a collecting container 6.
  • the collecting container 6 shown schematically here in the lower area of the module 1 is connected to a liquid outlet 7.
  • the liquid outlet 7 is designed as a siphon-like drain, not shown here, so that there is no disruptive gas suction in the separating module 1 in this way.
  • the gas cleaned in the first stage described above hits layers 8 and 9 of a filter insert in a second cylinder 10, each of which is held on a gas-permeable support body 11. Liquid droplets also form in these separation stages, which are made from different fiber structures the gas flow (arrows 3) are separated and are also reflected in the collecting container 6.
  • the clean gas now largely freed of liquid particles, is led into the pressure control valve 12 located in the cylinder 10.
  • the pressure control valve 12 which is not explained in greater detail here, is described in the prior art DE-40 22 129 C2 mentioned at the outset and has the task of ensuring a relatively constant pressure and thus a uniform flow rate even when the pressure inside the separating module 1 fluctuates greatly .
  • the clean gas (arrows 3) enters the upper region 13 of the pressure control valve 12 and leaves the separating module 1 via the clean gas outlet 14.

Abstract

Ce dispositif pour extraire des particules de liquide d'un courant de gaz comprend une garniture de filtre (8, 9, 11) insérée dans un courant de gaz (3) généré par une différence de pression extérieure. Des particules de liquide restent attachées sous forme de gouttes à la surface de la garniture de filtre (8, 9, 11) du côté du gaz brut et peuvent être amenées à un récipient collecteur (6). Le dispositif forme un module séparateur compact (1) à plusieurs étages avec un cyclone (5), une garniture de filtre (8, 9, 11) et un régulateur de pression (12).
EP97951886A 1997-01-15 1997-11-11 Dispositif pour extraire des particules de liquide d'un courant de gaz Withdrawn EP0952882A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29700579U DE29700579U1 (de) 1997-01-15 1997-01-15 Anordnung zum Abscheiden von Flüssigkeitspartikeln aus einem Gasstrom
DE29700579U 1997-01-15
PCT/EP1997/006293 WO1998031452A1 (fr) 1997-01-15 1997-11-11 Dispositif pour extraire des particules de liquide d'un courant de gaz

Publications (1)

Publication Number Publication Date
EP0952882A1 true EP0952882A1 (fr) 1999-11-03

Family

ID=8034562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97951886A Withdrawn EP0952882A1 (fr) 1997-01-15 1997-11-11 Dispositif pour extraire des particules de liquide d'un courant de gaz

Country Status (7)

Country Link
US (1) US6309436B1 (fr)
EP (1) EP0952882A1 (fr)
JP (1) JP2001508148A (fr)
BR (1) BR9714206A (fr)
CA (1) CA2277993A1 (fr)
DE (1) DE29700579U1 (fr)
WO (1) WO1998031452A1 (fr)

Cited By (1)

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CN105134335A (zh) * 2015-09-11 2015-12-09 隆鑫通用动力股份有限公司 具有废气滤网的发动机油气分离器及其发动机

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DE10127817A1 (de) * 2001-06-07 2002-12-12 Bosch Gmbh Robert Ölabscheidevorrichtung für Kurbelgehäusegase einer Verbrennungskraftmaschine
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DE102008045595B4 (de) * 2008-09-03 2020-09-03 Audi Ag Kraftfahrzeug-Luftfiltersystem und zugehöriges Montageverfahren
US8147575B2 (en) * 2009-09-09 2012-04-03 Ingersoll-Rand Company Multi-stage oil separation system including a cyclonic separation stage
US8986539B2 (en) 2011-04-19 2015-03-24 Cummins Filtration Ip Inc. Inside-out flow filter with pressure recovery
KR101424234B1 (ko) * 2012-06-21 2014-07-28 주식회사 삼화이엔지 오일 미스트 집진장치
DE102012017101A1 (de) * 2012-08-29 2014-05-15 Hydac Process Technology Gmbh Trennvorrichtung zum Abtrennen von Verschmutzungen aus Gasen
US9120042B2 (en) * 2013-08-30 2015-09-01 American Sterilizer Company Compact filter assembly for removing oil mist and odor from an airstream
CN103758611A (zh) * 2014-01-27 2014-04-30 山东华盛中天工程机械有限责任公司 发动机用油气分离装置
US20160067719A1 (en) * 2014-09-08 2016-03-10 Ivo Fill Hybrid cyclone mist collector
KR20160057114A (ko) * 2014-11-13 2016-05-23 현대자동차주식회사 오일 세퍼레이터
CN104791159B (zh) * 2015-03-13 2017-12-19 嘉兴学院 多级旋流管式工程机械空气滤清器
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Publication number Priority date Publication date Assignee Title
CN105134335A (zh) * 2015-09-11 2015-12-09 隆鑫通用动力股份有限公司 具有废气滤网的发动机油气分离器及其发动机
CN105134335B (zh) * 2015-09-11 2018-10-09 隆鑫通用动力股份有限公司 具有废气滤网的发动机油气分离器及其发动机

Also Published As

Publication number Publication date
DE29700579U1 (de) 1997-03-13
CA2277993A1 (fr) 1998-07-23
US6309436B1 (en) 2001-10-30
WO1998031452A1 (fr) 1998-07-23
BR9714206A (pt) 2000-03-28
JP2001508148A (ja) 2001-06-19

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