WO2002093035A1 - Vorrichtung und verfahren zum wuchten rotierender systeme - Google Patents
Vorrichtung und verfahren zum wuchten rotierender systeme Download PDFInfo
- Publication number
- WO2002093035A1 WO2002093035A1 PCT/DE2002/001415 DE0201415W WO02093035A1 WO 2002093035 A1 WO2002093035 A1 WO 2002093035A1 DE 0201415 W DE0201415 W DE 0201415W WO 02093035 A1 WO02093035 A1 WO 02093035A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotation
- axis
- raceways
- circulation channel
- compensating
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
- F16F15/36—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved
- F16F15/363—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved using rolling bodies, e.g. balls free to move in a circumferential direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/211—Eccentric
- Y10T74/2111—Plural, movable relative to each other [including ball[s]]
Definitions
- the present invention relates to a method and a device for dynamic balancing of rotating systems.
- Rotating systems are balanced in order to eliminate or reduce vibrations caused by imbalance in the system. These unwanted vibrations can, among other things, lead to disturbing noises or - due to the greater stress on the bearings - to a reduction in the service life of the respective rotating system.
- the compensating bodies which move about the axis of rotation of the rotating system are arranged independently in such a way that the inertial forces are reduced on account of the original unbalance and the unwanted vibrations of the system are thereby damped or completely eliminated.
- the object of the present invention is to create a method or a device for carrying out a method for dynamic unbalance correction of rotating systems, which / balancing over a possible wide range of unbalances and speeds in a simple, small and light construction possible.
- the method according to the invention and the device for balancing rotating systems operating according to this method have the advantage that several concentric raceways with different radii can be integrated in a single circulation channel with very little effort.
- the use of a single circulation channel, which defines the different raceways for the balancing masses solely through its cross-sectional shape, enables the implementation of a generic balancing device with a comparatively small installation space.
- raceways that are open to each other eliminates the need for complex mechanical separation of the individual raceways by walls.
- the costs for the device according to the invention also decrease correspondingly in comparison with systems of the prior art.
- the reduced installation volume and weight of the device according to the invention make it possible to use the method presented here for dynamic balancing in a large number, including smaller, rotating systems.
- the dimensions of the different raceways can be dimensioned such that several compensating bodies of different sizes can run around the common axis of rotation of the respective system on the raceways.
- an arrangement of compensating bodies of different sizes and masses on different circumferential radii around the common axis of rotation of the system can be realized in an advantageous manner.
- the existing compensating bodies can be arranged in the radial as well as in the axial direction solely through the cross-sectional contour of the circulation channel.
- a staggering of the compensating bodies according to their size or mass to the different circumferential radii can thus be implemented in a very simple and advantageous manner with the device according to the invention.
- Compensating bodies of different masses which run on different tracks within the device according to the invention, can also be fine-tuned, since the remaining unbalance that would result if only one track was used by a second track and accordingly adjusted balancing masses can be reduced even further.
- the increase in the number of possible raceways thus allows the amount of the remaining unbalance to be minimized.
- the device according to the invention makes it possible to reduce the installation space which increases with an increasing number of orbits and the correspondingly increasing costs compared to the devices of the prior art.
- balls as circumferential compensating bodies of the device according to the invention reduces the friction losses and leads to a corresponding reduction in the noise level of the automatically balanced system during operation.
- the use of balls of different diameters as compensating masses enables simple separation of the individual raceways of the compensating bodies within the one, closed circulation channel of the device according to the invention.
- this results in a further degree of freedom for achieving an optimal balancing result on the rotating system.
- a liquid which is introduced in addition to the compensating bodies in the closed circulation channel of the device according to the invention has the advantage that it can dampen the movement of the compensating masses and thus contributes to a reduction in noise.
- a liquid for reducing friction and damping can also advantageously be introduced into the circulation channel of the balancing device according to the invention. Furthermore, the continuous distribution of a liquid introduced into the circulation channel also provides an additional balancing effect, which positively supports the contribution of the discrete balancing bodies.
- a rotating system that is balanced with the device according to the invention has the advantage that the component in question is continuously rebalanced during operation, so that unbalances that change during operation or only during operation due to, for example, wear, defects, dirt or Corrosion occur, always be compensated automatically.
- the device according to the invention permits this constant, automatic balancing on account of its reduced installation volume and the achievable weight savings in a large number of smaller rotating components and systems.
- the drawing shows several exemplary embodiments of the device according to the invention for dynamic balancing of rotating systems, which are explained in more detail in the following description.
- FIG. 1 shows the shaft of a rotating system with a device according to the invention for balancing rotating systems shown in section, concentrically surrounding the shaft,
- FIG. 2 shows a second embodiment of the device according to the invention for balancing rotating systems
- FIG. 3 shows a further embodiment for a circulation channel of a device according to the invention
- FIG. 4 shows an alternative embodiment of a circulation channel of the device according to the invention according to FIG. 3,
- Figure 5 shows a fifth embodiment of a circulation channel of the inventive device for balancing rotating systems
- FIG. 6 shows an alternative embodiment of a circulation channel of the device according to the invention according to FIG. 5.
- FIG. 1 shows a first exemplary embodiment of the device 10 according to the invention for balancing rotating systems.
- the rotating system 12 which is only shown as a schematic arrangement 14 in this exemplary embodiment, is seated on a shaft 16 which is driven by the rotating system 12.
- the shaft 16 rotates about an axis of rotation 18. In other embodiments, it is of course also possible for the rotating system 12 to be driven by the shaft 16.
- Electric motors and all rotating units driven by electric motors are mentioned here as possible examples and not as a limitation for the usability of the inventive device or the inventive method. Both the electric motor itself and the units driven by the motor can be balanced by the device according to the invention or with the aid of the method according to the invention.
- the device 10 according to the invention for the automatic balancing of rotating systems 12 has a compensating structure 21 which is fixedly mounted on the shaft 16 and in which a single, closed circulation channel 20 which is concentric about the axis of rotation 18 is formed.
- the device 10 according to the invention sits separately from the actual rotating system 12 on the shaft 16.
- the compensating construction can also be integrated into the rotating system 12 itself.
- freely movable compensating bodies 22 which, in the first exemplary embodiment shown in FIG. 1, consist of balls 24 of two different diameters.
- the balls 26, 28, 30 in FIG. 1 have a reduced radius compared to the balls 32.
- the circulation channel 20 has a rectangular cross-sectional contour 33, the dimensions of which are matched to the diameter of the balls 24 such that all balls 24 have the axis of rotation 18 of the rotating system 12 in orbits with the same radius 34 on the inner wall 38 of the channel 20 can circulate.
- the device 10 according to the invention with the compensating structure 21 according to the exemplary embodiment in FIG. 1 thus allows balls of different masses to be applied different orbits within a single orbit 20 around the axis of rotation 18 of the system 12.
- the additional moments of inertia required for optimal balancing can be adapted both by specifying the size of the outer radius 34 of the circulation channel 20 and by varying the masses of the individual balls 24.
- Figure 2 shows a further embodiment of the invention in a highly simplified representation. Parts and components of the device according to the invention in FIG. 2, which are unchanged from the exemplary embodiment in FIG. 1, are provided with the same reference numerals. Components of the device according to the invention modified in accordance with the new exemplary embodiment have been given a reference number increased by the number 200 for better comparability.
- FIG. 2 Shown in FIG. 2 is a device 210 according to the invention in the form of a compensating structure 221, which is firmly connected to a shaft 16 of a rotating system 12.
- the compensating structure 221 has a single, closed and concentric about the axis of rotation 18 of a shaft 16 circulating channel 220.
- the circulation channel 220 has on its wall 240 facing away from the shaft 16 a radius 234 which varies in the axial direction of the arrangement.
- Compensating bodies 222 which are arranged next to one another in the axial direction during operation of the rotating system 12, are thus at a different distance from the axis of rotation 18 of the system 12.
- the embodiment of the device according to the invention shown in FIG. 2 thus permits different orbital radii for the Circulation channel 220 located compensating body 222.
- only two possible circumferential radii 234 and 236 for the compensating body 222 are shown in Figure 2.
- the compensating bodies 222 which are again shown in the form of balls 224 in FIG.
- the cross-sectional contour 33 of the one circulation channel 20 of the device 10 according to the invention despite the use of only a single, closed channel 20, several separate orbits around the axis of rotation 18 of the system 12 can be defined, which, when using different balancing masses, optimize the balancing of the allow rotating system 12.
- the specifically desired, radial as well as axial arrangement and staggering of the different balancing masses within the one circulation channel 20 is determined by the respective shape of the inner wall 38 (cross-sectional contour) of the one circulation channel 20 and the interaction of the different balancing bodies with one another.
- some preferred embodiments of the device 10 according to the invention are described in more detail on the basis of different shapes of the cross section for the respective circulation channel.
- FIG. 3 shows, in a third embodiment of the device 310 according to the invention, a circulation channel 320 which allows the compensating bodies 322 to be arranged on orbits with different radii 334 and 336 due to their different sizes.
- the compensating bodies 322 can be selected by the radii of curvature of the possible raceway cross sections and forced onto the desired tracks.
- the mutual interference of the balls 324 is significantly reduced by the defined separation of the raceways within the circulation channel 320.
- the balls 324 are sorted according to their diameters and revolve around the shaft 16 of the system 12 on different raceways.
- FIG. 4 shows an alternative embodiment of a circulation channel of the device 410 according to the invention, which likewise works according to the principle presented in FIG. 3.
- the compensating bodies 422 in the form of balls 424 are in turn passed through the radii of curvature of the raceway cross sections on the inner wall 438 of the circulation channel 420 are separated from one another and thus forced into different orbits around the axis of rotation 18 of the system 12.
- the embodiment of the device 410 according to the invention according to FIG. 4 allows the construction of different, separate raceways about the axis of rotation in a single closed circulation channel 420 in a very simple manner.
- the different raceways are not sharply delimited from one another, but are only defined by the geometry of the cross-sectional contour 433 of the circulation channel 420 in connection with the size and the interaction of the compensating bodies with one another.
- the raceways on which the compensating bodies 422 move about the common axis of rotation 18 of the system 12 can be designed differently in the device according to the invention. While the larger balls 432 in the exemplary embodiment 4 are guided through the radius of curvature of the cross-sectional contour at two support points, the smaller balls 326, 328, 330 run with a one-point contact towards the respective raceway.
- the run-off surfaces 437, 439, 441 of the raceways of the smaller balls 426, 428, 430 in exemplary embodiment 4 are essentially flat and have only a slight curvature in the region of the transition to the adjacent raceway. In addition, you can also run careers with a use convex or concave cross section in an advantageous manner.
- the assignment of the individual compensating bodies 422 to the respective orbit can be supported by the sequence in which the circulating channel 420 is filled with the compensating masses. Such a solution and filling the channel with a few balls relative to the radius of the raceway minimize the mutual obstruction of the compensating bodies.
- the smaller balls 426, 428, 430 will fly outward when the system 12 is accelerating unless they have already accumulated on the bottom path due to gravity before the system started up.
- FIGS. 5 and 6 each show in cross-section an example of an advantageous shape of the cross-sectional contour of an orbital 520 or 620 of the device according to the invention.
- a compensating construction 521 or 621 which is firmly seated on the shaft 16 of the rotating system 12, can again be seen in FIGS. 5 and 6.
- an Ural run channel 520 or 620 with an optimized cross-sectional contour 533 or 633 is formed, which runs concentrically around the shaft 16 of the rotating system 12.
- FIGS. 5 and 6 also each show a parting plane 544 or 644 in the compensating construction 521 or 621 at which the device according to the invention can be opened and can thus be easily filled with the desired number of the respective balls.
- FIG. 5 shows the formation of three separate raceways in axial graduation in the one circulation channel 520 of the balancing device 510 by a corresponding variation in the shape of the cross section 533 of the circulation channel 520.
- balls 524 run on the three circulation paths shown about the axis of rotation 18 of the system 12 three different diameters 530,531,532 ⁇ m.
- the ball diameter of the compensating bodies 522 decreases with increasing distance from the axis of rotation 18 of the system 12.
- the run-off surfaces 546, 548, 550 of the compensating bodies 522 are curved in the example shown in FIG. 5 in such a way as to the plane of symmetry of the arrangement that each ball is automatically centered on its career.
- the same effect can also be achieved with drain surfaces which are inclined to the axis of rotation 18 but are straight in themselves.
- Axial run-off surfaces running parallel to the axis of rotation 18 are also conceivable, but these only allow self-centering of the compensating bodies 522 on the respective raceway to a limited extent.
- the configuration of the circulation channel 520 in the transition region of the individual raceways to one another is shown in FIG. 5 only as an example in the form of curves and is not intended to limit the range of possible configurations of the device according to the invention.
- the individual raceways of the balancing device 610 according to the invention according to FIG. 6 have an axial offset in the direction of the axis of rotation 18 of the rotating system 12 in addition to the radial staggering.
- the axial misalignment of the raceways in this exemplary embodiment is dependent on the ratio of the ball diameter to the raceway diameter.
- the largest compensating body 638 is at the smallest distance from the axis of rotation 18 of the system 12. Axially next to the compensating body 638, a free space 652 remains in the circulation channel 620, which allows the balls 630 and 632 to find sufficient space axially next to the ball 638 also in the sectional plane of the device 610 according to the invention shown in FIG. 6.
- the balls 638 run in a kind of trough 654, which delimits the track of the balls 638 by a kind of bump 656 from the other tracks.
- the trough 654 thus creates a concave drainage surface for the balls 638, which can be kept stable on its track.
- the raceway of the balls 632 is not formed by a running trough, but is delimited by a curved running surface 658 and an opposing contact surface 660.
- Embodiments of an individual circumferential channel provided only with compensating masses are limited.
- the function of the balancing unit can be improved by using damping liquids such as oil with a constant viscosity or by using friction-reducing liquids.
- the device according to the invention is also not limited to the use of balls as compensating bodies.
- compensating bodies of the most varied of shapes can be used in the device according to the invention.
- the number of orbits shown in the exemplary embodiments within the one circulation channel of the device according to the invention for dynamic balancing of rotating systems is only to be regarded as an example and does not preclude the use of a different number of orbits.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Testing Of Balance (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Machine Tool Units (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002590271A JP2004519638A (ja) | 2001-05-11 | 2002-04-17 | 回転機構の釣り合いのための装置及び方法 |
US10/332,342 US20040003678A1 (en) | 2001-05-11 | 2002-04-17 | Device and method for balancing rotating systems |
KR10-2003-7000295A KR20030015374A (ko) | 2001-05-11 | 2002-04-17 | 회전 시스템 균형 방법 및 장치 |
EP02735043A EP1387966A1 (de) | 2001-05-11 | 2002-04-17 | Vorrichtung und verfahren zum wuchten rotierender systeme |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10123031.1 | 2001-05-11 | ||
DE10123031A DE10123031B4 (de) | 2001-05-11 | 2001-05-11 | Vorrichtung zum Wuchten eines um eine Drehachse rotierenden Systems |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002093035A1 true WO2002093035A1 (de) | 2002-11-21 |
Family
ID=7684479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/001415 WO2002093035A1 (de) | 2001-05-11 | 2002-04-17 | Vorrichtung und verfahren zum wuchten rotierender systeme |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040003678A1 (de) |
EP (1) | EP1387966A1 (de) |
JP (1) | JP2004519638A (de) |
KR (1) | KR20030015374A (de) |
DE (1) | DE10123031B4 (de) |
WO (1) | WO2002093035A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013013650A1 (de) * | 2013-08-16 | 2015-02-19 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Drehbar gelagerter Rotationskörper |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG141219A1 (en) * | 2003-09-26 | 2008-04-28 | Agency Science Tech & Res | Apparatus and method for rotational imbalance reduction |
DE102004012976B3 (de) * | 2004-03-17 | 2006-03-30 | Hilti Ag | Automatische Auswuchtvorrichtung |
JP4509096B2 (ja) * | 2006-03-23 | 2010-07-21 | コリア インスティチュート オブ マシナリー アンド マテリアルズ | 垂直ロータ用バランサ及びこれを利用した遠心分離機 |
DE102006030163A1 (de) * | 2006-06-29 | 2008-01-03 | Schaeffler Kg | Einrichtung zum selbsttätigen Auswuchten |
FR2911959B1 (fr) * | 2007-01-29 | 2009-04-24 | Snecma Sa | Procede d'equilibrage modulaire de rotor de turbomachine |
DE102007034382A1 (de) * | 2007-07-24 | 2009-01-29 | Schaeffler Kg | Autobalancing-Einrichtung zur Unwuchtkompensation in Separatoren bzw. Zentrifugen sowie Separator bzw. Zentrifuge mit einer solchen Autobalancing-Einrichtung |
KR100974525B1 (ko) * | 2008-07-09 | 2010-08-10 | 주식회사 한랩 | 밸런서를 이용한 자동평형 원심분리기 |
KR101042771B1 (ko) * | 2008-09-16 | 2011-06-20 | 주식회사 한랩 | 밸런서가 구비된 자동평형 원심분리기의 제어방법 |
GB2481582A (en) * | 2010-06-28 | 2012-01-04 | Rolls Royce Plc | A method for predicting initial unbalance in a component such as a blisk |
US8375826B1 (en) | 2011-12-15 | 2013-02-19 | Cnh America Llc | Self balancing chopping or threshing rotor |
US10221917B2 (en) * | 2015-03-15 | 2019-03-05 | Daniel Anthony Maiullo | Variable moment flywheel |
DE102016108346A1 (de) * | 2016-05-04 | 2017-11-09 | Weber Maschinenbau Gmbh Breidenbach | Vorrichtung und verfahren zum aufschneiden von lebensmittelprodukten |
CN109667885A (zh) * | 2018-05-23 | 2019-04-23 | 李芝宏 | 低陀螺效应飞轮 |
DE102019103087A1 (de) * | 2019-02-07 | 2020-08-13 | Festool Gmbh | Werkzeugmaschine mit einer Wuchteinrichtung |
Citations (5)
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FR2557975A1 (fr) * | 1984-01-10 | 1985-07-12 | Vi Im | Dispositif pour l'equilibrage d'un organe tournant notamment d'un appareil a usage energetique |
JPS60215137A (ja) * | 1984-04-10 | 1985-10-28 | Tomio Ino | 回転体のバランス自動調整方法と装置 |
US5724862A (en) | 1992-05-21 | 1998-03-10 | Eti Technologies Inc. | Dynamic balancing method and apparatus |
US5845542A (en) * | 1992-05-21 | 1998-12-08 | Eti Technologies Inc. | Dynamic balancing method and apparatus |
WO1999010583A1 (en) * | 1997-08-21 | 1999-03-04 | Eti Technologies Inc. | Balancing device for use on washing machines |
Family Cites Families (9)
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US3696688A (en) * | 1971-05-03 | 1972-10-10 | Eugene A Goodrich | Automatic balancer for rotating masses |
DE2711561B2 (de) * | 1977-03-17 | 1980-06-12 | Peter 2800 Bremen Mandt-Rauch | Kraftfahrzeugrad mit einer selbsttätigen Auswuchtvorrichtung |
AU542884B2 (en) * | 1980-07-31 | 1985-03-21 | Dipl.Ing. Dr. Mont. Franz Powondra | Resilient yieldable device |
DE3509089A1 (de) * | 1984-09-24 | 1986-04-03 | Tallinskij politechničeskij institut, Tallin | Automatische auswuchtvorrichtung |
US4905776A (en) * | 1989-01-17 | 1990-03-06 | Amoco Corporation | Self-balancing drilling assembly and apparatus |
JP2954031B2 (ja) * | 1995-08-28 | 1999-09-27 | 三星電子株式会社 | 洗濯機のバランス |
SE505096C2 (sv) * | 1995-10-30 | 1997-06-23 | Skf Ab | Automatisk balanseringsanordning för storskaliga roterande enheter eller system |
JP3713884B2 (ja) * | 1996-11-08 | 2005-11-09 | 日立工機株式会社 | ボールバランサ及びボールバランサを装着した遠心分離機 |
JP2000030355A (ja) * | 1998-07-14 | 2000-01-28 | Hitachi Ltd | ディスク型再生装置 |
-
2001
- 2001-05-11 DE DE10123031A patent/DE10123031B4/de not_active Expired - Fee Related
-
2002
- 2002-04-17 JP JP2002590271A patent/JP2004519638A/ja active Pending
- 2002-04-17 EP EP02735043A patent/EP1387966A1/de not_active Withdrawn
- 2002-04-17 WO PCT/DE2002/001415 patent/WO2002093035A1/de not_active Application Discontinuation
- 2002-04-17 US US10/332,342 patent/US20040003678A1/en not_active Abandoned
- 2002-04-17 KR KR10-2003-7000295A patent/KR20030015374A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557975A1 (fr) * | 1984-01-10 | 1985-07-12 | Vi Im | Dispositif pour l'equilibrage d'un organe tournant notamment d'un appareil a usage energetique |
JPS60215137A (ja) * | 1984-04-10 | 1985-10-28 | Tomio Ino | 回転体のバランス自動調整方法と装置 |
US5724862A (en) | 1992-05-21 | 1998-03-10 | Eti Technologies Inc. | Dynamic balancing method and apparatus |
US5845542A (en) * | 1992-05-21 | 1998-12-08 | Eti Technologies Inc. | Dynamic balancing method and apparatus |
WO1999010583A1 (en) * | 1997-08-21 | 1999-03-04 | Eti Technologies Inc. | Balancing device for use on washing machines |
Non-Patent Citations (2)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 010, no. 073 (M - 463) 22 March 1986 (1986-03-22) * |
See also references of EP1387966A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013013650A1 (de) * | 2013-08-16 | 2015-02-19 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Drehbar gelagerter Rotationskörper |
Also Published As
Publication number | Publication date |
---|---|
JP2004519638A (ja) | 2004-07-02 |
DE10123031A1 (de) | 2002-11-21 |
US20040003678A1 (en) | 2004-01-08 |
DE10123031B4 (de) | 2004-08-19 |
KR20030015374A (ko) | 2003-02-20 |
EP1387966A1 (de) | 2004-02-11 |
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