EP1965924A2 - Zentrifuge zum reinigen einer flüssigkeit - Google Patents
Zentrifuge zum reinigen einer flüssigkeitInfo
- Publication number
- EP1965924A2 EP1965924A2 EP06818613A EP06818613A EP1965924A2 EP 1965924 A2 EP1965924 A2 EP 1965924A2 EP 06818613 A EP06818613 A EP 06818613A EP 06818613 A EP06818613 A EP 06818613A EP 1965924 A2 EP1965924 A2 EP 1965924A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- rotor
- housing
- centrifuge
- inner part
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/005—Centrifugal separators or filters for fluid circulation systems, e.g. for lubricant oil circulation systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
-
- 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
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
- F01M2001/1028—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the type of purification
- F01M2001/1035—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters characterised by the type of purification comprising centrifugal filters
Definitions
- the present invention relates to a centrifuge for cleaning a liquid, in particular the lubricating oil of an internal combustion engine, with a housing, with at least one housing-side bearing means and a rotor rotatably mounted thereon, which is formed at least in two parts and an inner part serving for the storage and a dirt collection in a dirt collecting portion serving a dirt collecting portion, wherein for the purpose of maintenance of the centrifuge, the waste collecting part is detachable from the inner part.
- Centrifuges of the aforementioned type have been known in principle for many decades and are used in various applications, an application being the cleaning of the lubricating oil of internal combustion engines. Especially in this and in many other applications, the centrifuge is a machine component that is both possible to produce inexpensive and on the other hand should have a good efficiency with high durability.
- the rotor of the centrifuge is mounted by means of two such bearings on the housing-side bearing means. If a bearing is designed as a sliding bearing, at least one separately manufactured bearing sleeve must be installed in the centrifuge, this bearing sleeve either on the housing side bearing means or in the rotor installed, for example, up or pressed must be.
- two slide bearing sleeves are to be installed, in which case a first slide bearing sleeve is then applied to the housing-side bearing means and a second slide bearing sleeve is to be installed in the rotor.
- the two plain bearing sleeves then together form the plain bearing. Since usually two plain bearings are used, in extreme cases, a total of four bearing sleeves must be manufactured separately and then mounted. If rolling bearings are used as an alternative, they must also be manufactured and installed separately. Obviously, the parts required to form the bearings give rise to a relatively high production and assembly effort, which has a noticeable effect on the overall manufacturing costs of the centrifuge.
- That the inner part is an integral part of a second bearing material and has one or more second sliding bearing surfaces
- the rotor is mounted rotatably directly on the housing-side bearing means, in other words without the interposition of sliding bearing sleeves or bearings or other separate bearing components.
- Slide bearing sleeves or roller bearings or the like separate bearing components are no longer needed in the centrifuge according to the invention for the storage of the rotor.
- This also eliminates the costs associated with the manufacture and assembly of the bearing sleeves or bearings or the like separate bearing components, which saves time and costs in the manufacture of the centrifuge.
- high efficiency and a long service life of the centrifuge are ensured because, due to the use of suitable bearing materials which form mutually bearing-compatible plain bearing material pairings, low bearing friction with low bearing wear is achieved even without separate bearing components.
- the centrifuge according to the invention advantageously the tolerance chains are smaller, resulting in particular to an improved balancing and thus to a higher rotational speed of the centrifuge with the same drive power.
- the dirt trap part is connected to the inner part to the rotor and the waste collecting part for its disposal or cleaning of the inner part with the whereabouts of the inner part on the housing side storage means separable.
- the dirt collecting part can be removed together with the dirt collected therein during maintenance of the centrifuge from the housing and replaced by a fresh dirt catching part, while the inner part remains permanently in the centrifuge.
- the storage of the rotor is thus charged in the maintenance process in any way or exposed to a risk of contamination.
- the use of a more expensive material for the inner part is justified because it is not replaced during maintenance of the centrifuge, but remains permanently in the centrifuge.
- the inner part of the rotor is designed as a drive part with at least one radially outwardly pointing nozzle arm with at least one recoil nozzle.
- the inner part is expediently a life-time component of the centrifuge, which for this reason is already made of a suitably durable material in order to ensure the necessary durability.
- the dirt-catching part of the rotor is designed as a drive part with at least one recoil nozzle.
- the inner part is expediently a lifetime component of the centrifuge, which also here the advantages stated in the preceding paragraph can be achieved.
- new replacement nozzles are used with each replacement of the dirt trap part.
- the inner part is expediently a casting-produced part of the second bearing material.
- the invention further preferably proposes that an axis projecting into the inner part or passing through the inner part is arranged in the housing, forming the housing-side bearing means, and that the inner part comprises a central tubular body which surrounds the axis.
- the axis forming the housing-side bearing means is a rotary or rotary-milling part of the first bearing material.
- the axis can thus be completely manufactured and processed in automatic processing machines, which allows a more cost-effective production in large quantities.
- the housing-side bearing means forming the axis on its outer circumference and on the other hand, the central tube Body are surface-treated on its inner circumference in at least one area to at least a direct mutual bearing fit.
- the bearing of the rotor on the housing side bearing means for.
- the axis instead, with the number and the arrangement of the areas of direct mutual bearing fit according to the boundary conditions of the particular application of the centrifuge, such.
- mass of the rotor and / or externally acting on the centrifuge mechanical loads, such as vibrations of an internal combustion engine or shocks from a moving vehicle.
- two axially spaced apart from each other in the rotor areas of immediate mutual bearing fit are provided and that in other areas of the outer periphery of the housing-side bearing means forming the axis and the inner circumference of the central tubular body have radial distance from each other.
- the areas of direct mutual bearing fit are expediently carried out so that they are on the one hand as large as necessary to ensure adequate durability, and on the other hand, they are as small as possible to keep the processing costs low and the smoothest possible mounting of the rotor to achieve.
- a first region of the immediate mutual bearing fit is also provided at or near a first axial end of the rotor and a second region of the immediate mutual bearing fit is provided at or near a second axial end of the rotor.
- the greatest possible distance of the areas of the immediate mutual bearing fit ensures a relatively low Load of the individual storage areas under given external conditions, which contributes to a good durability of the centrifuge.
- bearing materials are metallic materials or plastic materials or plastic-metal composites.
- first bearing material preferably be a steel and for the second bearing material to be a supereutectic aluminum-silicon alloy or a bronze or a bronze alloy.
- the housing-side bearing means is then expediently made of steel and can be made inexpensively from a semi-finished by machining.
- the aluminum-silicon alloy or bronze or bronze alloy can be processed conveniently in die casting and is therefore expediently used for a casting production of the rotor or its inner part or its central tubular body.
- the plastic-metal composite materials are plastics with metal particles embedded therein. These composites combine light weight with good storage properties and good durability.
- the housing-side bearing means and the inner part of the rotor have cooperating bearing means for axial bearing of the rotor on the bearing means.
- the bearing means for axial bearing of the rotor include an axial forces receiving rolling bearing.
- the bearing means for Axiallagerung of the rotor by at least one radially outwardly facing step on the bearing means and / or by at least one connected to the bearing means, a radially outwardly facing collar bearing bearing end piece: are formed.
- both the pivot bearing and the thrust bearing carried only sliding, for which simple and inexpensive elements are used.
- the dirt-trapping part of the rotor preferably consists partly or entirely of plastic.
- plastic for the dirt trap part of the rotor leads to a lower overall weight of the rotor and also allows an advantageous easy disposal of dirt-loaded part after maintenance of the centrifuge, because with a suitable selection of the plastic, the waste collection part is completely thermally recoverable.
- the housing-side bearing means is hollow over at least part of its axial length and that in the channel thus formed in the interior of the housing-side bearing means a minimum - pressure valve is arranged, the liquid flow through the centrifuge until it exceeds a Minimum fluid pressure releases.
- the minimum pressure valve is space-saving in a easily loadable with a higher fluid pressure part of the centrifuge, namely housed in the housing side, stable storage means.
- FIG. 1 shows a centrifuge in a first embodiment in longitudinal section
- FIG. 3 shows the centrifuge in a third embodiment in longitudinal section.
- the first exemplary embodiment of a centrifuge 1 shown here has a housing 11 which has a hollow-cylindrical basic shape. At the top, the housing 11 is closed by a removable screw 15. Inside the housing 11, a housing part 11 'is arranged, inserted here, which divides the interior of the housing 11 into a lower and an upper region. In the upper region, a rotor 10 of the centrifuge 1 is arranged and mounted rotatably on a housing-side bearing means 12 in the form of an axis pointing upwards from the housing part 11 '. The axle 12 is connected at its lower end to the housing part 11 ', bolted here. On the axis 12 of the rotor about an axis of rotation 19 is rotatable.
- the upper end of the axle 12 is formed by an upper axle end piece 12 'which is screwed to the remaining axle 12 and which in turn is centered with its upper end in a centering recess 16 on the underside of the cover 15.
- a freely upwardly projecting axis 12 can be used, which experiences no centering support on the lid 15.
- the rotor 10 of the centrifuge 1 here consists of two parts, namely an inner part 2 and a waste collecting part 3.
- the inner part 2 consists essentially of a central tubular body 20 which is arranged concentrically to the axis 12 and surrounds it. From a lower region of the tubular body 20, two nozzle arms 21 extend in the radial direction obliquely outwards and downwards, opposite one another. At the radially outer end of each nozzle arm 21, a respective recoil nozzle 22 for driving the rotor 10 is arranged by means of a liquid flow. Thus, here forms the inner part 2 of the rotor 10 whose drive part.
- the dirt trap part 3 is mounted in the axial direction from above on the inner part 2 and connected thereto via provided at the upper end of the rotor 10 connecting means 32 so that an automatic relative movement in Axial direction between the dirt trap part 3 and the inner part 2 is excluded.
- the inner part 2 and the dirt-catching part 3 of the rotor 10 are designed such that any movement of the inner part 2 in the circumferential direction is forcedly accompanied by the dirt-collecting part 3, for which purpose torque transfer means not shown in detail here serve.
- the rotor 10 by means of its inner part 2 directly, d. H. in particular without interposition of plain bearing sleeves and / or roller bearings, mounted on the housing-side bearing means forming the axis 12. Slide bearing sleeves or roller bearings are no longer needed here and therefore do not need to be installed in the centrifuge 1 during their production.
- the storage takes place here in two areas 24 and 25.
- the first area 24 is located near the lower axial end of the rotor 10, where the outer circumference of the axis 12 and the inner circumference of the tubular body 20 of the inner part 2 are each surface-finished to an immediate bearing fit.
- a second region 25 is located near the axially upper end of the rotor 10, where also the outer periphery of the axis 12 and the inner periphery of the tubular body 20 are surface-finished to an immediate bearing fit.
- the outer circumference of the axle 12 has a first sliding bearing surface 17 and the inner circumference of the tubular body 20 has a directly matching second sliding bearing surface 27
- the axis 12 and on the other hand the central tube body 20 or the inner part 2 are made of suitable materials, e.g. on the one hand a first metal or a first metallic alloy and on the other hand of a second metal or a second metallic alloy, which form mutually bearing-compatible plain bearing material pairings.
- the axis 12 is hollow and forms a channel 13 extending in the axial direction.
- a minimum pressure valve 4 is arranged, which is of a known type and which releases a liquid flow through the centrifuge 1 until a sufficient minimum liquid pressure is reached or exceeded.
- the housing 11 In the lower region of the housing 11 below the housing part 11 'may be arranged, for example, a filter cartridge.
- the housing 11 may also be designed so that it receives only the centrifuge 1.
- a first axial bearing means consists of a radially outwardly projecting collar 18 on the Achsend Culture 12 '. The underside of the collar 18 forms a contact surface on which the inner part 2 applies in an axial movement upward.
- a second axial bearing means is formed by a radially outwardly projecting step 18 'in the lower end portion of the axle 12. This step 18 'forms a contact surface for the lower end face of the inner part 2 and the central tubular body 20, whereby the axial mobility is limited downwards.
- a liquid flow passes from below in the axial direction upwards into the channel 13 in the axis 12 to the minimum pressure valve 4. If a sufficiently high fluid pressure, opens the minimum pressure valve 4 and a first partial flow of the liquid passes through radial openings 14 in the lower region of the axis 12 in the two nozzle arms 21 and through them to the two recoil nozzles 22. In this way, the rotor 10, consisting of the inner part 2 and the waste collecting part 3, set in rotation.
- a second partial flow of the liquid flows through the annular gap between the outer circumference of the axis 12 and the inner circumference of the central tubular body 20 in the axial direction upwards and through the upper bearing fitting region 25.
- the Lagerpassungs Scheme 25 forms a throttle point for this second liquid stream.
- this second liquid flow flows through radial openings 23 near the upper end of the central tubular body 20 in the radial direction from the inside out into the interior of the waste collecting part 3, which forms a Schmutzleginel Scheme 30. Radially inside and down, the cleaned liquid partial flow leaves the waste collecting part 3 and flows together with the emerging from the nozzle 22 liquid partial flow without pressure.
- the lid 15 is unscrewed and removed.
- the lid 15 By actuating two gripping and actuating elements 33 at the top of the top wall 31 of the waste collecting part 3, the latter can be detached from the inner part 2 and pulled off the inner part 2 in the axial direction upwards.
- a cleaned or new dirt-catching part 3 can be plugged onto the inner part 2 in the opposite direction and can be connected with it rotationally in the circumferential direction and detachably connected in the axial direction.
- the centrifuge 1 is ready for use again.
- Serving as a drive part inner part 2 remains as a service life component usually in the centrifuge 1 and must not be removed from the centrifuge 1 for the change of the dust collecting part 3. If necessary, but can be removed and replaced by a new inner part 2 after removing the upper Achsendrioss 12 'and the inner part 2, if this should unexpectedly be necessary.
- the axis 12 on the one hand and the inner part 2 on the other hand consist of materials, such as metallic materials or composites, which form mutually bearing-compatible plain bearing material pairings. All other parts of the centrifuge 1 that are not involved in the storage can be made of other materials, regardless of their suitability for storage.
- the other material may, for example, be plastic, whereby a Ringes weight and ease of manufacture can be achieved.
- the dirt trap part 3 can then be utilized thermally in its design made of plastic with a suitable choice of material together with the dirt deposited therein, without leaving metallic individual parts.
- FIG. 2 of the drawing shows as a second embodiment also in longitudinal section a centrifuge 1, in which the rotor 3 again an inner part 2 and a dirt trap part 3, which is detachably connected to the inner part 2 comprises.
- the centrifuge 1 is housed in a housing 11 with screw cap 15, in which case the housing 11 receives only the centrifuge 1.
- the dirt-catching part 3 now has two recoil nozzles 22, of which only one is visible in the sectional view according to FIG.
- the dirt trap part 3 here forms the drive part of the rotor 10.
- the inner part 2 of the rotor 10 serves here for the mounting of the rotor 10 and the detachable mounting of the waste collecting part 3.
- the inner part 2 is here formed by a central tubular body 20, which in each case has a sliding bearing surface 27 at its inner circumference in the lower region and near its upper end.
- An axial bearing of the inner part 2 is carried down by a radially outwardly projecting step 18 in the lower part of the axis 12. Axial upward, the mobility of the inner part 2 by a radially outwardly projecting collar 18 at one in the upper end of the axis 12 screwed Achsend Cit 12 'limited.
- centrifuge 1 according to FIG. 2 largely corresponds to the exemplary embodiment according to FIG. 1 and reference is made to the reference numerals and functions explained there.
- Figure 3 shows a third embodiment, another centrifuge 1, again in a longitudinal section.
- the axis 12 with the mounted thereon central tubular body 20 of the inner part 2 of the rotor can be seen. Left and right of the tubular body 20 of this plugged on this dirt catching part 3 of the rotor 10 is visible.
- an axial roller bearing 18 '' which is placed with its inner ring on the Achszentrier réelle 12 ''.
- the inner part 2 runs with its in FIG. Side of the outer ring of the axial roller bearing 18 '' lying, upwardly facing end face to the outer ring of the axial roller bearing 18 '' on.
- the axial forces are absorbed by the roller bearing 18 '' with a very low friction, whereby the axial start of the inner part 2 up against the roller bearing 18 '' does not lead to a significant braking of the rotor.
- the pivotal mounting of the inner part 2 is also done here via the slide bearing previously described without the use of separate plain bearing sleeves or the like components.
- a lower bearing fitting region 24 and an upper bearing fitting region 25 are also provided here.
- centrifuge 1 according to FIG. 3 largely corresponds to the exemplary embodiment according to FIG. 1 and reference is made to the reference numerals and functions explained there.
Landscapes
- Centrifugal Separators (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005020012U DE202005020012U1 (de) | 2005-12-22 | 2005-12-22 | Zentrifuge zum Reinigen einer Flüssigkeit |
PCT/EP2006/011033 WO2007079815A2 (de) | 2005-12-22 | 2006-11-17 | Zentrifuge zum reinigen einer flüssigkeit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1965924A2 true EP1965924A2 (de) | 2008-09-10 |
EP1965924B1 EP1965924B1 (de) | 2011-02-23 |
Family
ID=37709498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06818613A Not-in-force EP1965924B1 (de) | 2005-12-22 | 2006-11-17 | Zentrifuge zum reinigen einer flüssigkeit |
Country Status (5)
Country | Link |
---|---|
US (1) | US7959547B2 (de) |
EP (1) | EP1965924B1 (de) |
AT (1) | ATE499156T1 (de) |
DE (2) | DE202005020012U1 (de) |
WO (1) | WO2007079815A2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005007162U1 (de) * | 2005-05-02 | 2006-09-21 | Hengst Gmbh & Co.Kg | Rotor für eine Zentrifuge |
DE202005020012U1 (de) * | 2005-12-22 | 2007-05-10 | Hengst Gmbh & Co.Kg | Zentrifuge zum Reinigen einer Flüssigkeit |
DE202007009913U1 (de) | 2007-07-13 | 2008-11-20 | Hengst Gmbh & Co.Kg | Abscheider zum Abscheiden von Ölnebel aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine und Brennkraftmaschine mit einem Abscheider |
DE102007046000A1 (de) * | 2007-09-26 | 2009-04-09 | Scania Cv Ab | Filter für hydraulischen Fluidkreislauf |
DE102010002784A1 (de) * | 2010-03-11 | 2011-09-15 | Hengst Gmbh & Co. Kg | Ölnebelabscheider und Brennkraftmaschine mit einem Ölnebelabscheider |
US20110226219A1 (en) * | 2010-03-17 | 2011-09-22 | Caterpillar Inc. | Fuel lubricated pump and common rail fuel system using same |
WO2017053267A1 (en) | 2015-09-24 | 2017-03-30 | Cummins Filtration Ip, Inc. | Utilizing a mechanical seal between a filter media and an end cap of a rotating filter cartridge |
GB201518508D0 (en) * | 2015-10-20 | 2015-12-02 | Delphi Internat Operations Luxembourg S À R L | Hydraulic machine with centrifugal particle trap |
EP3320977B1 (de) * | 2016-11-14 | 2021-07-07 | Alfdex AB | Gehäuse für zentrifugalabscheider |
US11446598B2 (en) | 2017-06-20 | 2022-09-20 | Cummins Filtration Ip, Inc. | Axial flow centrifugal separator |
DE202017107733U1 (de) * | 2017-12-19 | 2019-03-21 | Reinz-Dichtungs-Gmbh | Abscheidevorrichtung |
CN111135596B (zh) * | 2019-10-31 | 2024-05-17 | 荆门金贤达生物科技有限公司 | 一种乙螨唑生产线上的精料制备生产线 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB723279A (en) * | 1952-10-02 | 1955-02-02 | Glacier Co Ltd | Improvements in or relating to centrifugal cleaners for separating impurities from liquids |
DE1105351B (de) | 1959-06-06 | 1961-04-20 | Knecht G M B H | Zentrifuge zum Abscheiden von Verunreinigungen aus fluessigen Medien, insbesondere aus Schmieroel fuer Brennkraftmaschinen |
DE1123625B (de) * | 1960-06-18 | 1962-02-08 | Mann & Hummel Filter | Fliehkraftreiniger fuer Fluessigkeiten, insbesondere fuer Schmieroel |
GB1089355A (en) * | 1965-09-22 | 1967-11-01 | Glacier Co Ltd | Centrifugal fluid cleaners |
FR2725917B1 (fr) * | 1994-10-19 | 1997-11-21 | Moatti Filtration | Ensemble de traitement d'un fluide par filtration et centrifugation |
EP1066884B1 (de) * | 1999-07-07 | 2005-06-22 | Fleetguard, Inc. | Selbstgetriebener Wegwerfrotor für Zentrifuge |
US6929596B2 (en) * | 2003-02-07 | 2005-08-16 | Fleetguard, Inc. | Centrifuge with separate hero turbine |
DE10344664B4 (de) | 2003-09-25 | 2015-02-12 | Mahle Filtersysteme Gmbh | Vorrichtung zum Abtrennen von Verunreinigungen aus dem Schmieröl einer Brennkraftmaschine |
US7182724B2 (en) * | 2004-02-25 | 2007-02-27 | Fleetguard, Inc. | Disposable centrifuge rotor |
DE202004008785U1 (de) * | 2004-06-02 | 2005-10-13 | Hengst Gmbh & Co.Kg | Freistrahlzentrifugen für die Reinigung des Schmieröls einer Brennkraftmaschine |
KR101139600B1 (ko) * | 2004-03-17 | 2012-04-27 | 헹스트 게엠베하 운트 코. 카게 | 내연 기관의 윤활유 정화용 임펄스 원심분리기 |
DE202004004215U1 (de) * | 2004-03-17 | 2005-07-28 | Hengst Gmbh & Co.Kg | Freistrahlzentrifuge für die Reinigung des Schmieröls einer Brennkraftmaschine |
DE202005014427U1 (de) * | 2005-09-12 | 2007-02-01 | Hengst Gmbh & Co.Kg | Zweiteiliger Rotor für eine Zentrifuge und Zentrifuge mit einem solchen Rotor |
DE202005017208U1 (de) * | 2005-11-02 | 2007-03-22 | Hengst Gmbh & Co.Kg | Rückstoßdüse für den Rotor einer Zentrifuge und Rotor mit solchen Rückstoßdüsen |
DE202005020012U1 (de) * | 2005-12-22 | 2007-05-10 | Hengst Gmbh & Co.Kg | Zentrifuge zum Reinigen einer Flüssigkeit |
JP4983611B2 (ja) * | 2008-01-10 | 2012-07-25 | トヨタ紡織株式会社 | 遠心分離式オイルフィルタ |
-
2005
- 2005-12-22 DE DE202005020012U patent/DE202005020012U1/de not_active Expired - Lifetime
-
2006
- 2006-11-17 DE DE502006008962T patent/DE502006008962D1/de active Active
- 2006-11-17 AT AT06818613T patent/ATE499156T1/de active
- 2006-11-17 WO PCT/EP2006/011033 patent/WO2007079815A2/de active Application Filing
- 2006-11-17 EP EP06818613A patent/EP1965924B1/de not_active Not-in-force
- 2006-11-17 US US12/158,243 patent/US7959547B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2007079815A3 * |
Also Published As
Publication number | Publication date |
---|---|
DE202005020012U1 (de) | 2007-05-10 |
DE502006008962D1 (de) | 2011-04-07 |
EP1965924B1 (de) | 2011-02-23 |
US7959547B2 (en) | 2011-06-14 |
WO2007079815A2 (de) | 2007-07-19 |
ATE499156T1 (de) | 2011-03-15 |
US20080296212A1 (en) | 2008-12-04 |
WO2007079815A3 (de) | 2007-10-11 |
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Legal Events
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