EP2745940A2 - Dispositif de collecte de pièces de métal pouvant être magnétisées dans un fluide au niveau d'un dispositif magnétique - Google Patents

Dispositif de collecte de pièces de métal pouvant être magnétisées dans un fluide au niveau d'un dispositif magnétique Download PDF

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Publication number
EP2745940A2
EP2745940A2 EP13197750.6A EP13197750A EP2745940A2 EP 2745940 A2 EP2745940 A2 EP 2745940A2 EP 13197750 A EP13197750 A EP 13197750A EP 2745940 A2 EP2745940 A2 EP 2745940A2
Authority
EP
European Patent Office
Prior art keywords
cavity
fluid
flow
magnetic device
arrangement
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Withdrawn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
EP13197750.6A
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German (de)
English (en)
Other versions
EP2745940A3 (fr
Inventor
Josef Frauenschuh
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2745940A2 publication Critical patent/EP2745940A2/fr
Publication of EP2745940A3 publication Critical patent/EP2745940A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/28—Magnetic plugs and dipsticks
    • B03C1/286—Magnetic plugs and dipsticks disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/20—Magnetic separation whereby the particles to be separated are in solid form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/28—Parts being easily removable for cleaning purposes

Definitions

  • This invention relates to an arrangement for collecting magnetizable metal parts in a fluid on a magnetic device, which device comprises a magnetic device removable from the device having a magnetic field, and which device comprises a cavity defined by at least one wall and containing a fluid, which cavity is from the fluid flows through in a flow direction.
  • the metal parts collected at the magnetic device are separated therefrom by discharging the fluid.
  • the magnet device is removable from the cavity to separate them from the adhering to the magnetic device metal parts.
  • US4851116 discloses an apparatus for cleaning a fluid mixed with metal parts by means of a magnetic device.
  • the magnetic device is disposed outside of the fluid conducting tube so that subsets of the fluid flow past the magnetic device untreated.
  • the disclosed apparatus comprises a plurality of tubes located in a cavity having a smaller diameter than the cavity, which are arranged adjacent to one or more magnetic devices.
  • the person skilled in the art recognizes that the fluid flowing through the tubes has a laminar flow.
  • the device described is not based on the cleaning of a fluid comprising metal parts by means of a magnetic device by utilizing the positive effect of a mixing of a portion of the fluid, which portion of the fluid is in contact with the magnetic device.
  • the invention discussed in the following has the object to provide an arrangement for cleaning a contaminated by magnetizable metal parts fluid with a high efficiency.
  • the cavity has an inlet opening and an outlet opening, wherein by the arrangement of the inlet opening axis of the inlet opening and the outlet opening axis of the outlet opening in an abrupt change in the direction of flow conditional angle, optionally in combination with the formation of the cavity with a different cross-section as the inlet opening and / or the outlet opening or in an arrangement of the inlet opening axis of the inlet opening and the outlet opening axis of the outlet opening parallel to each other in combination with a formation of the cross section of the cavity with a different cross-section than the inlet opening and / or the outlet opening a turbulent flow region can be generated.
  • a turbulent flow region may be caused in a cavity partial area located between the inlet opening and the outlet opening.
  • the magnetic device In the turbulent flow region, the magnetic device is at least partially introduced, the volumetric expansion of the turbulent flow region corresponding to the volumetric extent of a sufficiently strong magnetic field for attracting metal parts with an expected mass to the magnetic device and collecting the metal parts on the magnetic device is smaller or larger.
  • the change in the cross sections must be made abruptly, so that a turbulent flow can be caused by the change in the cross sections in the flow direction.
  • an abrupt change of shapes in the flow direction may include a wall portion that is oriented perpendicular to the flow direction.
  • An abrupt change of shapes may include an edge that extends into the flow region.
  • the invention does not exclude that portions of the cavity may have a laminar flow. It is also possible to arrange portions of the cavity with a laminar flow adjacent to and / or adjacent to the magnetic device.
  • the fluid may be, for example, an oil or a fuel mixture.
  • the device according to the invention is a part of a drive unit or gear unit of a motor vehicle.
  • the arrangement according to the invention can be combined with filter systems according to the prior art.
  • the magnetic device is at least partially introduced into the turbulent flow region, wherein the volumetric expansion of the flow region corresponds to the volumetric extent of a sufficiently strong magnetic field for attracting metal parts with an expected mass to the magnet device and collecting the metal parts on the magnet device, smaller or larger is.
  • the solution described in the context of this disclosure is based on the principle of better mixing of a turbulent fluid.
  • the constant mixing caused by the turbulent flow area increases the effectiveness of the magnetic device.
  • the turbulent flow region is preferably situated in that subregion of the fluid in which subregion the magnetic field acts.
  • the size ratio of turbulent flow area to the magnetic field determines the effectiveness of the purification process.
  • the cleaning of the fluid by the arrangement according to the invention is the most effective.
  • the arrangement according to the invention may comprise a device by means of which the magnetic parts collected at the magnetic device are removed from the magnetic device so that the metal parts collected at the magnetic device do not reduce the field strength of the magnetic field.
  • a first flow region of the fluid in contact with the magnetic device may be the magnetic device in a direction to the magnetic device surface of the magnetic device in Flow substantially tangentially directed first flow main direction, so that the mixed fluid dwells as possible adjacent to the magnetic device over a long period of time.
  • the fluid may flow around the magnet device surface in a polygonal flow direction while maintaining the tangentially oriented first flow direction.
  • the polygonal flow direction may be helical, for example.
  • the efficiency of the magnetic device with respect to the cleaning of the fluid can be increased, maximizing the duration of contact of the fluid flowing past the magnetic device surface with the magnetic device surface.
  • a second flow region of the fluid adjacent to the magnetic device may have a second main flow direction substantially perpendicular to the magnetic device surface.
  • the movement of the fluid to the magnetic device with simultaneous mixing of the fluid can be increased by this flow form.
  • a main flow direction in one region may also include partial flow directions oriented at any angle to the main flow direction.
  • the main flow direction is the vectorial sum of the partial flow directions.
  • the magnet apparatus may have a main extension direction which is parallel to the main flow direction of the fluid, so that the portion of the fluid in contact with the magnet apparatus has the longest possible contact time with the magnet apparatus.
  • the magnetic device may have any shape.
  • the magnetic device may be in the form of a helical prism.
  • the magnet device may be a prism provided with holes or gaps, the fluid flowing through the holes and / or gaps due to the turbulent flow.
  • the shape of the magnetic device is to be selected so that the largest possible magnetic device surface is in contact with the fluid.
  • the cavity may comprise a baffle as a flow element through which flow element, as disclosed above, creates a turbulent flow of the fluid in a region.
  • the wall of the cavity and the guide surfaces may be integrally formed.
  • the assembly may include a filter device as a flow element, which filter device passes through the fluid as it passes through the cavity.
  • the arrangement may include moving drive parts arranged in the cavity, such as the gears of a transmission, for example, which drive parts are at least partially surrounded by the fluid during the passage through the cavity and thus drive the fluid.
  • the moving drive parts can thus act as flow elements.
  • the drive parts are at least partially surrounded by the fluid.
  • the movement of the drive parts creates a turbulent flow area, which drive parts may comprise prior art blade surfaces which promote the creation of a turbulent flow area.
  • the teeth of a gear not meshing with another gear may cause the production of a turbulent flow area.
  • FIG. 1 shows a possible embodiment of the inventive arrangement for collecting magnetizable metal parts in a fluid 1 on a magnetic device.
  • FIG. 1 shows a sectional view of such an arrangement comprising an oil filter or fuel filter, in which a removable from the oil filter or fuel filter magnetic device 2 is arranged with a magnetic field 3.
  • the oil filter or fuel filter (hereafter referred to as filter) is a filter according to the prior art.
  • the arrangement comprises a cavity 5 defined by the wall 4 of the filter, in which cavity 5 the fluid 1 to be cleaned is contained.
  • the cavity 5 has an inlet opening 6 and an outlet opening 7, wherein the inlet opening axis 8 of the inlet opening 6 and the outlet opening axis 9 of the outlet opening 7 are arranged at an angle of approximately 90 °.
  • the cavity 5, the inlet opening 6 and the outlet opening 7 have a respective other cross-sectional shape seen in the direction parallel and at right angles to the respective flow direction. The changes in the cross-sectional shapes occur abruptly, so that according to the common teaching a turbulent flow is caused.
  • the fluid to be cleaned enters an inlet channel 22 passing through an inlet opening 6 into the cavity 5.
  • an inlet opening 6 By the above-described formation of the inlet opening 6, outlet opening 7 and cavity 5 and the arrangement of these to each other and the formation of abrupt transitions between the inlet opening 6 and cavity 5, is formed according to the common teaching in a turbulent flow area 12.
  • the formation of the turbulent flow area 12 is dependent on the current teaching of the flow velocity of the entering into the cavity 5 fluid. 1
  • the arrangement shown in the form of a sectional view further comprises a flow element 11 arranged in the fluid.
  • This is designed as a filter device 20 arranged in the inlet opening 6, which causes a turbulent flow of the fluid 1 flowing through the design of the filter device 20 according to the prior art
  • an inlet channel wall 23 arranged in the filter as a guide element in combination with the arrangement of cavity 5, inlet opening 6 and outlet opening 7 causes a multiple, sometimes abrupt change of direction of the fluid 1 flowing through the arrangement.
  • the inlet channel wall 23 as a guide element is integral with the cavity 5 defining wall 4 is formed. According to current teaching, a repeated, sometimes abrupt change in direction of a flowing fluid causes a turbulent flow, in particular in the case of an angular formation of a flow-through fluid channel.
  • the magnetic device 2 is at least partially introduced, wherein the volumetric expansion of the flow area 12 of the volumetric extent of a sufficiently strong magnetic field 3 for attracting metal parts with an expected mass to the magnetic device 2 and collecting the metal parts on the magnetic device 2 corresponds or is smaller.
  • a first flow region 13 situated in the cavity subregion 10 has a first flow main direction 14, which is oriented substantially tangentially to the magnetic device surface 15.
  • the first flow region 13 is essentially that part of the fluid 1 which contacts the magnetic device 2.
  • a second flow region 14 situated in the cavity 5 has a second flow main direction, which is oriented substantially perpendicular to the magnetic device surface 15.
  • the magnetic device 2 has a main extension direction 18, which extends substantially parallel to the respective flow direction of the flowing fluid 1. In the region of the first flow region 13, the first flow main direction and the main extension direction 18 are parallel.
  • FIG. 2 shows a further embodiment of the arrangement according to the invention in the region of a fuel filter or oil filter (hereinafter again called filter for short).
  • the arrangement for collecting magnetizable metal parts in a fluid 1 essentially comprises the filter and a magnetic device 2 which can be removed from the filter and has a magnetic field 3.
  • the filter comprises a cavity 5 defined by a wall 4, which cavity 5 contains the fluid 1 to be cleaned.
  • the fluid 1 flows in the in FIG. 2 shown arrangement substantially from right to left.
  • the cavity 5 comprises an inlet opening 6, through which the fluid 1 to be cleaned flows into the cavity 5.
  • the inlet opening axis 8 of the inlet opening 6 and the outlet opening axis 9 of the outlet opening 7 are arranged parallel and congruent and have a same cross-sectional shape.
  • the cross-sectional shape of the inlet opening 6 and the outlet opening 7 respectively seen in the direction parallel and perpendicular to the respective flow direction differs from the cross-sectional shape of the cavity 5 in the direction parallel and perpendicular to the respective flow direction in the cavity 5.
  • the change in the cross-sectional shape of the flowing fluid. 1 takes place abruptly, so that according to the common teaching a turbulent flow is caused.
  • the cavity 5 comprises a filter device 20 arranged as a flow element 11 in the cavity 5 between inlet opening 6 and outlet opening 7, which owing to the caused abrupt change of the flow direction and because of the flow rate changed compared to the flow rate in the region of the inlet opening 6 and / or outlet opening 7 in the region of the filter device in combination with the above-described arrangement of cavity 5, inlet opening 6 and outlet opening 7 causes the formation of turbulent flow areas 12.
  • the flow regions 12 occur in the flow direction before and after the filter device 20.
  • a magnetic device 2 is arranged in the flow regions 12.
  • the second flow region 16 adjacent to the magnetic device 2 has a second flow main direction 17, which is arranged at an angle of 90 ° to the magnetic device surface 15.
  • the cavity 5 is formed so that the first flow area 13 adjacent to the magnetic device 2 has a first flow main direction 14 oriented parallel to the magnetic device surface 15.
  • FIG. 3 and FIG. 4 2 show sectional views of an embodiment of the arrangement according to the invention comprising a gear arrangement and a magnetic device 2 with a magnetic field 3.
  • the gear arrangement comprises a defined by walls 4 and a fluid-containing cavity 5, in which cavity 5 drive parts 21 such as gears are arranged.
  • the gears act as flow elements, each gear causing a turbulent flow region 13 by its movement.
  • the gears can be moved.
  • a respective magnetic device 2 is arranged in the turbulent flow regions 13, wherein a first flow main direction 14 of a first flow region 13 adjoining the magnetic device surface 15 is oriented perpendicular to the magnetic device surface 15.
  • Second flow regions 16 arranged adjacent to the magnetic device 2 have a second flow main direction 15 directed at right angles to the magnetic device surface 15.
  • FIG. 5 shows a further embodiment of the arrangement according to the invention, wherein the magnetic device is arranged in an arranged between a gear unit 25 and a filter device 20 adapter 24.
  • the fluid 1 to be cleaned such as, for example, a gear oil
  • the magnet device 2 is designed as a screw and introduced into the cavity 5, wherein the magnet device 2 also acts as a flow element 11 acts.
  • the magnetic device 2 has to the cavity 4 delimiting wall 4 a decency, so that the magnetic device 2 is surrounded by the fluid flowing through the cavity 5.
  • a turbulent flow region 12 is created between the inlet opening 6 and the outlet opening 7.
  • the turbulent flow region 12 is situated behind the magnetic device 2 as seen in the flow direction.
  • FIG. 5 a further magnetic device 2 'in the adapter 24 for cleaning the fluid flowing from the filter device 20 to the transmission unit 25 is arranged.
  • the adapter 24 can be screwed with one end to the provided according to the prior art for the filter device 20 approach 26, wherein on the other end of the adapter 24, the filter device 20 is screwed.
  • FIG. 5 There are in FIG. 5 not all elements marked with reference numerals to the clarity of the FIG. 5 to protect.

Landscapes

  • Filtration Of Liquid (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Separating Particles In Gases By Inertia (AREA)
EP13197750.6A 2012-12-21 2013-12-17 Dispositif de collecte de pièces de métal pouvant être magnétisées dans un fluide au niveau d'un dispositif magnétique Withdrawn EP2745940A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT13352012A AT513793A1 (de) 2012-12-21 2012-12-21 Anordnung zum Sammeln von magnetisierbaren Metallteilen in einem Fluid an einer Magnetvorrichtung

Publications (2)

Publication Number Publication Date
EP2745940A2 true EP2745940A2 (fr) 2014-06-25
EP2745940A3 EP2745940A3 (fr) 2016-06-08

Family

ID=49765951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13197750.6A Withdrawn EP2745940A3 (fr) 2012-12-21 2013-12-17 Dispositif de collecte de pièces de métal pouvant être magnétisées dans un fluide au niveau d'un dispositif magnétique

Country Status (2)

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EP (1) EP2745940A3 (fr)
AT (1) AT513793A1 (fr)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084412B (de) * 1954-05-22 1960-06-30 Philips Patentverwaltung Magnetfilter
GB864450A (en) * 1958-11-15 1961-04-06 Lambertus Johannes Adrianus La Improvements in and relating to magnetic filters
US4366053A (en) * 1981-05-15 1982-12-28 Descal-A-Matic Corporation Magnetic liquid treating device
SE430383B (sv) * 1982-03-12 1983-11-14 David Bertil Olof Carlvret Anordning for att rena en partikelbemengd vetska
US5043063A (en) * 1990-03-21 1991-08-27 Eriez Manufacturing Company Magnetic trap and cleaning means therefor
FR2730940B1 (fr) * 1995-02-24 1998-09-11 Electricite De France Dispositif de retenue des particules ferromagnetiques contenues dans un liquide circulant dans une tuyauterie
AU7710796A (en) * 1995-12-06 1997-06-27 Tagen Tecs Co., Ltd. Oil filter not using filter paper but using permanent magnets
DE19717869A1 (de) * 1997-04-28 1997-12-04 Gehrt Manfred Feinstschlammabscheider - mit Magnetfeldunterstützung, verbunden mit innenliegenden Schikanenleitblechen und zusätzlicher Siebfiltereinrichtung - geeignet für die Feinstschlamm-Entsorgung aus Heizwasserkreisläufen
US6445177B1 (en) * 1999-11-17 2002-09-03 Vibro-Meter S.A. Chip-detector assembly having improved probe-retention features
US6558541B1 (en) * 2000-10-12 2003-05-06 Av Lubricants, Inc. Contaminant capture device and method for use
US6632354B2 (en) * 2001-06-22 2003-10-14 Joseph C. Caiozza Combined oil filter and magnet apparatus
WO2008101352A1 (fr) * 2007-02-22 2008-08-28 Simonson Roger M Filtre magnétique et ensemble de filtrage magnétique
EP2108454A1 (fr) * 2008-04-08 2009-10-14 BP Oil International Limited Améliorations de ou associées à des filtres
US20090272702A1 (en) * 2008-04-30 2009-11-05 Cpc Corporation Process and apparatus for online rejuvenation of contaminated sulfolane solvent
JP5433389B2 (ja) * 2009-12-08 2014-03-05 株式会社日立製作所 汚水中の金属を回収する金属回収方法，汚水中の金属を回収する金属分離用薬剤、及びこれを用いた浄水装置
GB2492938B (en) * 2010-05-19 2017-01-25 John Baker William A magnetic screen

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Publication number Publication date
EP2745940A3 (fr) 2016-06-08
AT513793A1 (de) 2014-07-15

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