EP1933986A1 - Zweiteiliger rotor für eine zentrifuge und zentrifuge mit einem solchen rotor - Google Patents
Zweiteiliger rotor für eine zentrifuge und zentrifuge mit einem solchen rotorInfo
- Publication number
- EP1933986A1 EP1933986A1 EP06777017A EP06777017A EP1933986A1 EP 1933986 A1 EP1933986 A1 EP 1933986A1 EP 06777017 A EP06777017 A EP 06777017A EP 06777017 A EP06777017 A EP 06777017A EP 1933986 A1 EP1933986 A1 EP 1933986A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dirt
- rotor
- unlocking
- drive part
- connecting means
- 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
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000010687 lubricating oil Substances 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 3
- 239000002699 waste material Substances 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000005224 forefinger Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000001331 nose Anatomy 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
- B04B7/06—Safety devices ; Regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
-
- 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
Definitions
- the present invention relates to a rotor for a centrifuge for cleaning a liquid, in particular the lubricating oil of an internal combustion engine, wherein the rotor is designed in two parts with a drive part on the one hand and on the other hand a dirt collecting portion having a dirt collecting part, wherein the waste collecting part with the drive part to the rotor is connectable and wherein the waste collecting part can be separated for its disposal or cleaning by axial removal from the drive part.
- the invention relates to a centrifuge with a rotor of the aforementioned type.
- Rotors of centrifuges are parts that have to be changed or cleaned at certain intervals. At the time of replacement or cleaning, the rotors are wetted by the liquid being cleaned in the centrifuge. Conventional rotors have smooth outer surfaces to reduce their speed reducing frictional losses, thereby making it difficult to grasp the rotor manually for the purpose of removing it from a centrifuge housing. In addition, if the rotor is part of a centrifuge for cleaning lubricating oil, then the surface of the rotor is wet with oil, making gripping even more difficult than it already is through the smooth outer surface.
- This problem consists of both one-piece rotors, which are exchanged as a whole, as well as in two-part, initially mentioned rotors, which consist of a usually remaining in the centrifuge drive part and a detachably associated dirt trap part, which is usually a replacement part.
- rotors which consist of a usually remaining in the centrifuge drive part and a detachably associated dirt trap part, which is usually a replacement part.
- the task is to provide a rotor of the type mentioned, in which on the one hand ensures that the dirt trap part is reliably secured in the operation of the centrifuge on the drive part in its position and on the other hand, the dirt trap part quickly and easily Purpose of the maintenance of the centrifuge can be separated from the drive part to be replaced by a new or cleaned dirt catching part. Furthermore, a particularly suitable for such a rotor centrifuge is to be created.
- the solution of the rotor-related part of the task succeeds according to the invention with a rotor of the type mentioned, which is characterized in that on the drive part and the dust collecting part cooperating connecting means are provided which the dirt trap part in its connected to the drive part state relative to this against axial Secure pulling off, and that on the waste-collecting part with the connecting means cooperating unlocking means are provided which at least comprise a grip and actuating element projecting upwards over the dirt trap part.
- the dirt trap part is reliably secured in its position on the drive part and, in particular, can not move automatically in the axial direction undesirably far on the drive part.
- a certain, small movement play can be expedient here, in order for example to be able to absorb different thermal expansions.
- the dirt trap part can be easily separated from the drive part, for which purpose the handle and actuators can be taken by an operator either manually or with a simple auxiliary tool.
- the unlocking of the connecting means and the removal of the dirt-catching part from the drive part advantageously take place together via the at least one grip and actuating element, whereby a particularly simple and ergonomic handling is achieved.
- the handle and actuator is of course designed so that it is also in one with a liquid, eg. B. oil, wetted state can still be taken sufficiently secure and operated.
- the connecting means are designed as latching connection means, which occur automatically when connecting the dirt-catching part to the drive part by axially plugging the dirt-catching part on the drive part in engagement with each other. In this way, it is ensured that, when installing a fresh dirt catch part, a simple axial attachment to the driving part is sufficient to bring the connecting means in connection. Mounting errors that could lead to a lack of an effective axial connection between the drive part and dirt trap part are so practically impossible.
- the connecting means comprise one or more snap hooks which engage in the connected state of the drive part and the waste collecting part in one or more recesses arranged on the drive part.
- Such snap hooks are structurally simple on the one hand and functionally reliable on the other hand.
- the snap hooks can easily be designed so that they automatically engage in the mounting direction of the dirt trap part, but lock a reverse movement of the dirt trap part, as long as the unlocking means are not operated.
- the recesses that interact with the snap hooks are also very easy to produce, which allows a total cost of manufacture of the rotor according to the invention.
- a development of the invention provides that the dirt trapping side connecting means are arranged on two opposing, substantially parallel to a rotor axis extending flexible arms and that the arms have as unlocking on the rest of the waste collecting part upwardly projecting arm ends, which form two handle and actuating elements ,
- the arms themselves are resilient or, if not, equipped with a spring element, the spring force holding the arms in their locking position when no external actuating forces are exerted.
- the connecting means and the unlocking means are constructive summarized, which requires a low production cost and provides a further contribution to low production costs.
- a concrete embodiment provides that the snap hooks point radially outward on the arms and that the arms are for unlocking radially inwardly toward each other to pivot.
- the release is particularly simple, because it is sufficient here, for example, with thumb and forefinger to press the two arms against their own spring force or spring element in the radial direction inward and then in this compressed state of the arms the dirt trap part on the two arms and to deduct the end forming handle and actuation elements of the drive part.
- An alternative embodiment of the rotor proposes that the dirt trapping member side connecting means are arranged on a radially flexible, substantially in a radial plane concentric to a rotor axis lying ring and that the ring as a whole or with two opposing ring sections as unlocking on the rest of the waste collecting part upwards projects.
- the ring mentioned here forms, as well as the arms mentioned above, a flexible and resilient element, which allows the desired automatic engagement of the connecting means and effected by a Entriegelungseingriff unlocking against the spring force, which has the ring itself or a spring element associated therewith ,
- the snap hooks on the ring face each other and point radially inward and that the ring for unlocking at two circumferentially between the snap hooks lie ing areas is radially inwardly pressed, whereby simultaneously the snap hooks are forcibly moved radially outward.
- the effect is used that a flexible, a constant circumference ring having ring, which is pressed radially inwardly at two opposite points, inevitably moves in the circumferential direction between these first locations other points in the radial direction outwards, because the circumference of the ring does not change.
- the ring may be initially round and then deformed by the exertion of the radially inwardly directed force at two opposing force application points to form an ellipse or an oval.
- the ring may already have an ellipse-shaped or oval-shaped starting shape, which is then further deformed by the applied force, the deformation depending on the design of the ring can go either in the direction of a flatter elliptical or oval shape or in the direction of a circular shape ,
- the dirt trap part is an injection molded part made of plastic and that the dirt trap part - side connecting means and the unlocking means are made in one piece with the remaining dirt trap part. In this way, the dirt trap part becomes an economically producible mass part, which requires no additional steps for the attachment of the connecting means.
- the invention also relates to a centrifuge having such a rotor, wherein the centrifuge comprises a rotor housing with a removable lid.
- the lid on his the Rotor-facing underside has at least one cooperating with the unlocking locking element, which locks an unlocking device in the unlocking direction when the lid is mounted. In this way it is ensured with a particularly high level of security that it can not come to an unintentional, automatic adjustment of the unlocking in unlocking during operation of the centrifuge.
- the locking element is a during insertion of the lid in the axial direction in a range of movement of the Entriegelungsstoff entsteadender projection which is radially inside or radially outside of the unlocking means with the lid mounted and a radially inward or radially outward pointing unlocking the unlocking locks.
- FIG. 2 shows a section from the upper central region of the centrifuge in FIG. 1, likewise in longitudinal section, in an enlarged view,
- FIG. 3 shows the detail of Figure 2, now without a
- FIG. 4 a section from the upper central region of a part of the rotor forming the dirt trap part, in longitudinal section,
- FIG. 5 shows the dirt trapping part of the rotor according to FIGS. 1 to 4 in plan view
- Figure 6 shows a second embodiment, also in a longitudinal section through a central upper portion of a centrifuge
- FIG. 7 shows a dirt trapping part of the rotor of the centrifuge from FIG. 6 in plan view.
- the illustrated in the figure 1 embodiment of a centrifuge 1 comprises a rotor 10 which is rotatably mounted on an axle 12.
- the axis 12 is connected at its lower end to a part of a housing 11, screwed here.
- the housing 11 is closed by a screw cap 13 during operation of the centrifuge 1.
- the screw cap 13 is in screw engagement with a further part of the housing 11, which is not shown in Figure 1 and extending from the lower portion of the lid 13 further down and surrounds the illustrated part of the housing 11.
- the rotor 10 is here made in two parts and comprises a drive part 2 and a dirt trap 3.
- the drive part 2 comprises a central hollow body 20, from the lower end region, two nozzle arms 21 obliquely extend in the radial direction outwards and downwards.
- a respective recoil nozzle 22 is arranged, through which a liquid jet can be discharged in order to enable the drive member 2 according to the recoil principle in rotation.
- the dirt trap part 3 is rotationally connected to the drive part 2, so that the dirt trap part 3 participates in each rotational movement of the drive part 2.
- the drive part 2 is expediently a service life component, which remains over the entire service life of the centrifuge 1 in this, while the dust collecting part 3 is an exchangeable part, each subtracted in the context of maintenance after removing the cover 13 from the drive part 2 in the axial direction upwards and through a fresh dirt trap part 3 is replaced.
- connecting means 23 and 33 cooperating in the upper area of the drive part 2 and the dirt-catching part 3 are provided.
- the dirt trapping member side connecting means 33 in the form of two locking lugs or hooks in the connecting means 23 a.
- the connecting means 33 formed by the latching noses or hooks are integrally formed on two opposite arms 34 at their radially outwardly facing side.
- the arms 34 are approximately U-shaped, with the arms 34 of the same material are formed with the remaining dirt trap part and made of plastic. This gives the arms 34 sufficient flexibility and spring force to fulfill their function.
- the connection means 23 and 33 which are in engagement with one another according to FIG. 1, ensure that the dirt catching part 3 can not move in the axial direction, ie parallel to a rotation axis 19 of the rotor 10, relative to the drive part 2.
- the two arms 34 have unlocking means 35 projecting upwards beyond a cover wall 31 of the waste collecting part 3.
- These unlocking means 35 serve to disengage the dust collecting part 3 for the purpose of its removal from the driving part 2 by disengaging the connecting means 23 and 33.
- the unlocking means 35 are moved radially inwardly towards each other, e.g. by thumb and forefinger of an operator, whereby the connecting means 33 on the side of the waste collecting part 3 in the radial direction so far inwardly move that they get out of engagement with the connecting means 23 of the drive part 2.
- the dirt-catching part 3 can then be pulled off in the axial direction upward from the drive part 2 and replaced by a new dirt-catching part 3.
- the cover 13 has a blocking element 15 on its underside.
- This blocking element has the shape of a blocking element on its outer circumference. catch conical, from top to bottom in diameter decreasing sleeve.
- This blocking element 15 moves when attaching the lid 13 in the axial direction from top to bottom in the range of movement of the connecting means 33 and the unlocking means 35 and locks them against movement in the radial direction inward, ie in the release direction.
- the centrifuge 1 the upper end of the axis 12 in the cover 13 is supported and held centering.
- FIG. 1 shows inside the dirt trap part 3, in this case, guide and partition walls 32 which lie exactly in the sectional plane and extend in the radial direction and which divide the dirt trap part 3 into a plurality of chambers arranged next to one another in the circumferential direction.
- Figure 2 shows the region of the centrifuge 1 with the connecting means 23 and 33 in an enlarged detail, also in longitudinal section, wherein in the right half of Figure 2, the position of the section with respect to the figure 1 is slightly pivoted in the circumferential direction.
- the axis 12 extends, on which the drive part, of which only an upper part of the central hollow body 20 is visible here, is mounted.
- the rolling bearing 25 visible in FIG. 2 serves for this bearing, which between the outer circumference of the Axle 12 and the inner circumference of the central hollow body 20 is located.
- one of the recesses forming the connecting means 23 can be recognized on the radially inwardly facing side of the hollow body 20.
- the sectional plane is different than in Figure 1, whereby in the right half of Figure 2, a portion of the central hollow body 20 is cut, which is seen in the circumferential direction outside of the connecting means 23.
- the blocking element 15 serves on the underside of the lid 13. This blocking element 15 is in the mounted state of the lid in the range of movement of the arms 34 in the radial direction inwards and thus blocks an unlocking movement. To avoid disturbing friction between the unlocking means 35 and the blocking element 15, a sufficiently large movement gap is kept free between them.
- the dirt-catching part 3 has two apertures 30 in its cover wall 31, in each of which a part of the upper end region of the central hollow body 20 of the drive part 2 engages and through which the unlocking means 35 project upwards.
- care can be taken here for a rotationally fixed connection between drive part 2 and dirt catch part 3, which prevents relative movements of drive part 2 and dirt catch part 3 in the circumferential direction during operation of the centrifuge.
- the locking member 15 is removed from the range of movement of the unlocking means 35.
- the handle and actuator 36 of the unlocking means 35 are free for manual gripping by an operator. This can be done via the handle and actuating elements 36 very easy by means of, for example, thumb and index finger actuation of the unlocking means 35.
- To unlock the handle and actuating elements 36 are pressed toward each other in the radial direction inwardly, whereby the dirt-catching part side connecting means 33 on the arms 34 out of engagement with the connecting means 23 on the drive part 2. In the- In this position, the dirt trap part 3 can then be pulled off the handle part and actuating elements 36 in the axial direction upward from the drive part 2.
- the connecting means 23 and 33 automatically engage with each other latching engagement, so that then actuation of the unlocking means 35 is not required.
- FIG. 3 shows the same detail as FIG. 2, but in FIG. 3 the drive part 2, in this case its central hollow body 20, has been omitted in order to clarify the construction of the dirt-collecting part 3.
- the axis 12 In the center of Figure 3 is the axis 12, on which the upper roller bearing 25 is arranged.
- the axis 12 is surrounded by the waste collecting part 3, of which in the left half of Figure 3 again one of the guide and partition walls 32 is visible in section, while in the right half of Figure 3, the view into one of the chambers in the interior of SchmutzfangteiIs 3 falls.
- the dirt trap part 3 At the top, is substantially closed by the top wall 31, wherein the perforations 30 are located in the central part of the top wall 31.
- the arms 34, the U are shaped and have resilient properties.
- one of the dirt catcher-side connecting means 33 is molded in each case in the form of the latching lugs or hooks pointing radially outward.
- the arms go 34 in the unlocking means 35 with the respective handle and 'actuator 36 via.
- Figure 4 shows a further section, now a vertical section only through the upper central region of the dust collecting part 3.
- the unlocking means 35 with their handle and actuators 36 sufficiently far above the top wall 31 of the waste tray 3 protrude to allow easy manual gripping and unlocking. This is easily possible even with oily surfaces, as present for example in lubricating oil centrifuges.
- FIG. 5 shows the dirt trap part 3 from FIGS. 1 to
- Figures 6 and 7 show in section and in plan ⁇ a modified embodiment of the centrifuge 1, in which case the connecting means 23 on the drive part 2 and the connecting means 33 on the dust collecting part 3 have a modified design.
- the axis 12 can be seen in the center, on which the drive part 2 is rotatably mounted together with the dirt catching part 3 as a rotor about the axis of rotation 19.
- the upper bearing 25 is visible in the form of a rolling bearing.
- the bearing 25 is arranged between the outer circumference of the axis 12 and the inner circumference of a part of the drive part 2 forming the central hollow body 20.
- the central hollow body 20 continues above the bearing 25 further upwards and has there at two opposing areas radially outwardly open grooves, which form the driving part-side connecting means 23.
- the dirt-collecting part 3 is also bounded at the top by a cover wall 31 which has an opening 30 in its center, through which the upper end of the central hollow body 20 projects upwards.
- the top wall 31 has two wall panels extending upward in the axial direction, opposite one another. sections 31 'which run parallel to the upper end region of the central hollow body 20 with the connection means 23 provided there.
- the wall sections 31 ' Towards the top, the wall sections 31 'merge into a ring 34' which runs approximately concentrically with the axis 12 and, just like the wall sections 31 ', is of the same material and integral with the top wall 31 and with the remaining dirt-catching part 3.
- the dirt trap part 3 is made of plastic, whereby the ring 34 'and the wall portions 31' are flexible and have resilient properties.
- the ring 34' and the wall portions 31 ' have the shape and position shown in Figure 6, in which the connecting means 33 are in engagement with the connecting means 23. In this state, therefore, the dirt trap part 3 is sufficiently secured against axial displacement relative to the drive part 2.
- a certain amount of movement is allowed here in order to accommodate different thermal expansions. This is specifically achieved here in that the connecting means 23 forming grooves in the axial direction are longer than the axial height of the connecting means 33 forming locking lugs and hooks.
- the wall sections 31 'circumferentially connecting ring 34' also serves as an unlocking means 35 and as a handle and actuating element 36 to disengage the connecting means 33 and 23 and then the dirt Part 3 deduct from the drive part 2 when the lid 13 is removed.
- FIG. 7 shows the dirt trap part 3 from FIG. 6 in plan view.
- the axis 12 which is cut here in its upper end.
- the axis of rotation 19 extends for the dust collecting part 3 and the associated, not visible here drive part, which together form the rotor of the centrifuge.
- the upper rolling bearing 25 is still visible through the central opening 30 in the top wall 31 of the waste collecting part 3. Through the radially outer region of the opening 30, the upper end of the central hollow body 20 of the drive part is visible, where the driving part-side connecting means 23 are provided.
- the ring 34 ' carries at its in Fig. 7 to the left and right-facing area the dirt catcher part side connecting means 33, while its top and bottom in Figure 7 areas each unlocking means 35 and the handle and actuating elements 36 form.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005014427U DE202005014427U1 (de) | 2005-09-12 | 2005-09-12 | Zweiteiliger Rotor für eine Zentrifuge und Zentrifuge mit einem solchen Rotor |
PCT/EP2006/008256 WO2007031179A1 (de) | 2005-09-12 | 2006-08-23 | Zweiteiliger rotor für eine zentrifuge und zentrifuge mit einem solchen rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1933986A1 true EP1933986A1 (de) | 2008-06-25 |
EP1933986B1 EP1933986B1 (de) | 2011-01-19 |
Family
ID=37310753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06777017A Not-in-force EP1933986B1 (de) | 2005-09-12 | 2006-08-23 | Zweiteiliger rotor für eine zentrifuge und zentrifuge mit einem solchen rotor |
Country Status (5)
Country | Link |
---|---|
US (1) | US7553271B2 (de) |
EP (1) | EP1933986B1 (de) |
AT (1) | ATE495821T1 (de) |
DE (2) | DE202005014427U1 (de) |
WO (1) | WO2007031179A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502005003992D1 (de) * | 2004-03-17 | 2008-06-19 | 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 |
DE202005020012U1 (de) * | 2005-12-22 | 2007-05-10 | Hengst Gmbh & Co.Kg | Zentrifuge zum Reinigen einer Flüssigkeit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2865662A (en) * | 1954-09-10 | 1958-12-23 | Urfabriken Ab | Means for removably mounting a member on a shaft |
DE2722322C3 (de) * | 1977-05-17 | 1981-08-27 | Compur-Electronic GmbH, 8000 München | Zentrifuge zum Trennen von Probenflüssigkeiten in röhrchenförmigen Behältern |
DE9301663U1 (de) * | 1993-02-06 | 1993-10-07 | Hettich Andreas Fa | Deckelverschluß |
US5658231A (en) * | 1995-09-21 | 1997-08-19 | Haemonetics Corporation | Mechanism for securing a separation bowl to a mechanical chuck |
DE19715661A1 (de) * | 1997-04-16 | 1998-10-22 | Mann & Hummel Filter | Zentrifugenrotor |
GB2351249A (en) * | 1999-06-23 | 2000-12-27 | Federal Mogul Engineering Ltd | Safety mechanism for liquid centrifuge |
US6929596B2 (en) | 2003-02-07 | 2005-08-16 | Fleetguard, Inc. | Centrifuge with separate hero turbine |
US7182724B2 (en) * | 2004-02-25 | 2007-02-27 | Fleetguard, Inc. | Disposable centrifuge rotor |
DE202004004215U1 (de) * | 2004-03-17 | 2005-07-28 | Hengst Gmbh & Co.Kg | Freistrahlzentrifuge für die Reinigung des Schmieröls einer Brennkraftmaschine |
DE202004008785U1 (de) * | 2004-06-02 | 2005-10-13 | Hengst Gmbh & Co.Kg | Freistrahlzentrifugen für die Reinigung des Schmieröls einer Brennkraftmaschine |
DE502005003992D1 (de) * | 2004-03-17 | 2008-06-19 | Hengst Gmbh & Co Kg | Freistrahlzentrifuge für die reinigung des schmieröls einer brennkraftmaschine |
JP4546794B2 (ja) * | 2004-09-15 | 2010-09-15 | トミー工業株式会社 | 遠心分離機のロータ取付け構造 |
DE202005007162U1 (de) | 2005-05-02 | 2006-09-21 | Hengst Gmbh & Co.Kg | Rotor für eine Zentrifuge |
DE202005014427U1 (de) * | 2005-09-12 | 2007-02-01 | Hengst Gmbh & Co.Kg | Zweiteiliger Rotor für eine Zentrifuge und Zentrifuge mit einem solchen Rotor |
-
2005
- 2005-09-12 DE DE202005014427U patent/DE202005014427U1/de not_active Expired - Lifetime
-
2006
- 2006-08-23 WO PCT/EP2006/008256 patent/WO2007031179A1/de active Application Filing
- 2006-08-23 EP EP06777017A patent/EP1933986B1/de not_active Not-in-force
- 2006-08-23 US US12/066,420 patent/US7553271B2/en active Active
- 2006-08-23 AT AT06777017T patent/ATE495821T1/de active
- 2006-08-23 DE DE502006008776T patent/DE502006008776D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007031179A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE202005014427U1 (de) | 2007-02-01 |
DE502006008776D1 (de) | 2011-03-03 |
WO2007031179A1 (de) | 2007-03-22 |
ATE495821T1 (de) | 2011-02-15 |
US7553271B2 (en) | 2009-06-30 |
EP1933986B1 (de) | 2011-01-19 |
US20080207423A1 (en) | 2008-08-28 |
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