WO2001004507A1 - Ressort a torsion, amortisseur de vibrations torsionnelles, et dispositif comportant un ressort a torsion - Google Patents

Ressort a torsion, amortisseur de vibrations torsionnelles, et dispositif comportant un ressort a torsion Download PDF

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Publication number
WO2001004507A1
WO2001004507A1 PCT/DE2000/002213 DE0002213W WO0104507A1 WO 2001004507 A1 WO2001004507 A1 WO 2001004507A1 DE 0002213 W DE0002213 W DE 0002213W WO 0104507 A1 WO0104507 A1 WO 0104507A1
Authority
WO
WIPO (PCT)
Prior art keywords
torsion spring
spokes
spring according
torsional vibration
vibration damper
Prior art date
Application number
PCT/DE2000/002213
Other languages
German (de)
English (en)
Inventor
Ulrich Rohs
Original Assignee
GAT Gesellschaft für Antriebstechnik mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19940507A external-priority patent/DE19940507A1/de
Application filed by GAT Gesellschaft für Antriebstechnik mbH filed Critical GAT Gesellschaft für Antriebstechnik mbH
Publication of WO2001004507A1 publication Critical patent/WO2001004507A1/fr

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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
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • F16F15/1333—Spiral springs, e.g. lying in one plane, around axis of rotation
    • 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
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape
    • 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
    • F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/08—Torsion
    • F16F2236/085—Torsion the spring being annular
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Definitions

  • the invention relates to a torsion spring, a
  • Torsional vibration damper and an arrangement with a torsion spring.
  • torsion springs are used to transmit torsional forces in the desired manner.
  • spring arrangements are used for this.
  • torsion bars or spiral springs are used as torsion springs.
  • more complex arrangements are also used, in which tangentially arranged spiral springs are mounted between two disks or masses rotatably mounted relative to one another.
  • the latter arrangements can be adapted to a high degree in terms of their spring properties, but their spring behavior is largely dependent on the centrifugal force.
  • a torsion spring with spokes with a radially inner and a radially outer end which the inner ends of the spokes and the outer ends of the spokes are connected to each other. If, in such an arrangement, a force acts on one end of a spoke which is counteracted on the other end of the spoke, this arrangement has the properties of a torsion spring. By connecting the spokes to each other at their respective ends, all spokes are loaded with corresponding forces.
  • connection of the spoke ends to one another in such arrangements reduces the influence of centrifugal force compared to arrangements from the prior art.
  • the torsion spring according to the invention therefore maintains its spring characteristic even at high rotational speeds.
  • the influence of centrifugal force can be further reduced if the spokes are regularly distributed around the circumference of the torsion spring.
  • the angle between the individual spokes can correspond to the fraction of 360 ° corresponding to the number of spokes.
  • the space required for a torsion spring according to the invention can advantageously be reduced if the spokes are arranged essentially in one plane.
  • This plane is preferably selected perpendicular to the axis of rotation of the torsion spring.
  • the spring constant of the torsion spring according to the invention can be increased if the spokes are rigidly connected to one another.
  • the spokes can be integrally connected to one another.
  • Such a one-piece connection can be made outside, inside or outside and inside.
  • Such an arrangement also has the advantage that the torsion spring according to the invention can be manufactured in one work step. In the case of a torsion spring arranged in one plane, punching is possible, for example.
  • the spokes in particular can be formed from spring steel. If the spokes are connected in one piece, it follows immediately that the connection is also made of spring steel. With excellent spring properties, this ensures simple production of the spring.
  • the spring characteristic can also be advantageously influenced if the spokes are longer than the radius bridged by the spokes. This results in longer spring travel, which enables a more precise adjustment of the damping characteristics.
  • the spokes can be curved. With such an arrangement, the torsional forces to which the spokes are subjected can be countered over a greater length of the spokes.
  • the inner end of a spoke and the outer end of the same spoke can be offset by a connection angle between 0 "and 720 l ⁇ , preferably between 90 ° and 360", or between 180 "and 360". In this interval, the spokes ensure sufficient inherent strength of the torsion spring and at the same time sufficient variability to adapt the spring characteristics of the torsion spring.
  • the spokes are preferably arranged in the same direction. With such an arrangement, two different spokes can be arranged in overlapping angular ranges.
  • the torsion spring can each comprise force transducers located radially on the inside and / or radially on the outside, which are connected to the respective ends of the spokes. These force transducers can also be rigidly or integrally connected to the spokes. In this way, the corresponding forces can be easily introduced into the spring. In particular, it is possible to provide force transducers of this type in a quasi-standardized form on the torsion spring, so that different types of springs can be used without major difficulties. Likewise, with such an arrangement, springs of the same type can easily be used with different assemblies.
  • a torsion spring according to the invention can have at least one outer contact surface pointing in the circumferential direction and / or at least one in the circumferential direction. have inner bearing surface that is connected to the respective spoke end.
  • Such a contact surface enables a power flow to be built up in a structurally simple manner between a corresponding assembly and the torsion spring.
  • a positive connection can be installed by simply plugging the modules and the torsion spring into one another.
  • the invention also proposes an arrangement with a torsion spring according to the invention and at least one further assembly, in which the assembly and the torsion spring are positively connected to one another.
  • the contact surface can be at least in a partial area on a plane that includes the axis of rotation.
  • plane comprising the axis of rotation means a plane in which the axis of rotation runs.
  • Adequate inherent rigidity of the torsion spring against tilting can be achieved by identifying at least three spokes.
  • a particularly uniform load on the torsion spring, in particular the spokes, can be achieved if the spokes are designed as bending beams, preferably of the same strength. In this way, the life of such a torsion spring can be increased considerably.
  • the spokes can be made stronger at their ends than in the middle, which can advantageously reduce the volume load in the area of the connections of the spoke ends. This also ensures a more even load on the entire spring, which is advantageous for the life of the spring and the spring properties.
  • the spokes can have a constant thickness in the axial direction.
  • a torsion spring according to the invention is relatively flat with the same properties. Since a necessary change in the strength of the spokes takes place in the spring plane, the overall result is a relatively small volume for such a spring, so that such a spring can be used in a very space-saving manner.
  • the outer spoke ends and / or the inner spoke ends can be connected to one another via a corresponding connecting ring.
  • a connecting ring contact surfaces or force transducers with which the torsion spring is to be operatively connected to other assemblies can be provided relatively easily. In particular, this can also be done independently of the exact spoke arrangement. In this way, the spring characteristic can be varied independently of the active connection with other assemblies.
  • the connecting ring can advantageously have the same thickness in the axial direction as the spokes.
  • Such a torsion spring can easily be punched out of sheet metal, so that the torsion spring according to the invention can be produced relatively inexpensively. It goes without saying that the production of such a torsion spring by punching is also advantageous, regardless of its other features, in order to produce such a torsion spring inexpensively and within a very short time. Accordingly, the invention also proposes such a torsion spring which, according to the manufacturing process, has stamped burrs and / or surface deformations caused by stamping.
  • the invention proposes the production by means of electron or laser beam processes in front. Although these are relatively time-consuming and cost-intensive, they enable the formation of sufficiently filigree structures. Accordingly, the invention also proposes a torsional vibration spring which has been produced in this way and which accordingly has a conversion zone in the surface caused by the electron or laser beam. Such a conversion zone also surprisingly requires an increase in strength, particularly in the filigree and therefore regularly particularly stressed areas, so that the entire torsion spring has a correspondingly longer service life.
  • a torsion spring according to the invention can preferably also be produced by carrying out rough machining by punching and fine machining by electron or laser beam methods. Here only the filigree areas need to be subjected to fine machining. In this way it is possible to produce a torsion spring quickly and yet with sufficient precision.
  • a torsion spring produced in this way also has a conversion zone in the surface caused by the electron or laser beam and is advantageous regardless of its other features, as already described above.
  • the torsion spring can be connected in series with or parallel to a friction device.
  • the torsion spring according to the invention can be used as a spring-damper device. Due to the extremely (laughing design of the invention Torsion spring follows from this the possibility of making the spring-damper device correspondingly flat.
  • switched describes the fact that a force flow in a corresponding manner, be it in parallel or in series, runs through the corresponding assemblies.
  • connection can take place via at least one bearing.
  • the bending path of at least one spoke can be limited by a system. This shortens the movable length of the respective spoke, which increases the spring constant.
  • the system can come into contact with the spoke or the spokes progressively with increasing torsion angle of the torsion spring.
  • the arrangement between the system or systems and spokes can be chosen differently with a positive or negative angle of rotation to one another. This ensures a maximum of individual adaptability.
  • two torsion springs according to the invention such that the inner spoke ends of a first torsion spring of the two torsion springs are connected to the outer spoke ends of the second torsion spring. It is also possible to arrange two torsion springs according to the invention in such a way that their inner spoke ends or their outer spoke ends are connected to one another. Through these arrangements, a series connection of the two torsion springs can be realized, which has a wider scope with regard to the spring characteristics of the overall spring allows. In particular, suitable stops can be provided, by means of which the characteristic of the overall spring can also be influenced.
  • these torsion springs can be arranged in such a way that the spokes of one torsion spring are arranged in the opposite direction to the spokes of the other torsion spring.
  • the invention proposes a torsional vibration damper with a torsion spring according to the invention.
  • a torsional vibration damper can be, for example, a friction disk damper or a 2-mass torsional vibration damper. It goes without saying that all other types of torsional vibration damper can advantageously be connected to such a torsion spring, the Advantages described above, in particular the relatively small space, apply accordingly to such a torsional vibration damper.
  • the invention proposes a Trilok converter with such a torsion spring.
  • the torsion spring is preferably connected to a turbine of a Trilok converter, as disclosed, for example, in DE 197 51 752, DE 30 29 860 or US 5,590,750.
  • the Trilok converter according to the invention with the torsion spring according to the invention has the advantage over these known Trilok converters that centrifugal friction losses in the spring arrangement or other centrifugal effects are avoided, so that the arrangement according to the invention can be controlled in its properties in an unpredictable manner.
  • the Trilok converter according to the invention is extremely small and inexpensive, since the spring-guiding or force-conducting components can be dispensed with. This is particularly the case if the torsion spring is arranged between a holder carrying a friction device and the turbine.
  • the invention also proposes a torsional vibration damper with a torsion spring, which comprises at least one spoke, which has an inner end with a primary mass of the torsional vibration damper and an outer end with a secondary mass of the torsional vibration damper connected is.
  • a torsional vibration damper with a torsion spring, which comprises at least one spoke, which has an inner end with a primary mass of the torsional vibration damper and an outer end with a secondary mass of the torsional vibration damper connected is.
  • the direction of force flow through the torsional vibration damper plays no role here.
  • the masses can also be chosen arbitrarily.
  • a torsional vibration damper constructed in this way is distinguished by its extremely simple construction and can therefore be produced particularly cost-effectively and reliably.
  • the connection between the spoke or the spokes and the primary mass and the secondary mass can be selected in accordance with the above-described spoke arrangements. The same applies to the design of the spokes themselves.
  • Such a torsional vibration damper with only one spoke enables a particularly large angle of rotation between the primary mass and the secondary mass.
  • a parallel connection of two torsion springs, each with one spoke can be advantageous.
  • this enables large relative angles and, on the other hand, a relatively stable overall structure.
  • these spokes connected in parallel can be arranged in opposite directions.
  • such torsional vibration dampers can be connected in series with a clutch.
  • a clutch in particular a vehicle clutch, it is particularly necessary to have the greatest possible scope with regard to influencing the spring characteristic with a relatively small installation space. This is ensured by a torsion spring according to the invention.
  • Figure 1 shows a torsional vibration damper with an inventive
  • Torsion spring in section along the line I-I in Fig. 2,
  • FIG. 2 shows the torsional vibration damper according to FIG. 1 in cross section
  • FIG. 3 shows section III in FIG. 2
  • FIG. 5 shows a third torsional vibration damper with a torsion spring according to the invention in section
  • FIG. 6 shows a schematic illustration of two torsion springs according to the invention connected in series
  • FIG. 7 shows a schematic sectional illustration of two torsion springs according to the invention connected in series in a different way than in FIG. 6,
  • FIG. 8 shows two torsion springs according to the invention connected in parallel in a schematic sectional view
  • FIG. 9 shows a torsion spring according to the invention in section
  • FIG. 10 shows a further torsion spring according to the invention in a partial section
  • FIG. 11 shows a further torsion spring according to the invention in a partial section
  • FIG. 12 shows a door spring according to the invention in interaction with a Trilok converter with the liquid pressure-dependent friction device closed
  • FIG. 13 shows the arrangement according to FIG. 12 with the friction device dependent on the liquid pressure
  • FIGS. 12 and 13 shows an arrangement according to FIGS. 12 and 13 similar arrangement in which an inventive Torsion spring is connected in series with a tangentially acting spiral spring
  • FIG. 15 shows the torsion spring according to the invention used in the arrangement according to FIG. 14 in a partial section
  • Figure 16 shows another coil spring according to the invention in section
  • FIG. 17 shows another of the arrangement according to FIGS. 12 and 13 similar arrangement.
  • torsional vibration damper is a friction disk damper, as it is used in clutch friction disks in motor vehicles.
  • a torsion spring 1 according to the invention connects a shaft 2 with a friction disc 3 of a vehicle clutch.
  • the friction disc 3 is provided with a sheet 4 in the usual manner.
  • This sheet 4 is riveted to an outer connecting ring 5 of the torsion spring 1 according to the invention.
  • the connecting ring 5 connects three spokes 6 at their outer ends.
  • the spokes 6 are connected to each other at their inner end by an inner connecting ring 7.
  • the inner connecting ring 7 is in positive engagement with the shaft 2 by means of a tongue and groove connection.
  • the inner connecting ring 7 can be shifted coaxially to the shaft axis, as is required for a clutch friction disk.
  • the spokes 6 are regularly distributed around the circumference at an angle of 120 ′′ to one another. They are curved, their ends being offset by a connection angle of approximately 180 °. As can be seen, the spokes 6 are arranged in the same direction.
  • the torsion spring 1 from the outer connecting ring 5, spokes 6 and the inner connecting ring 7 is stamped in one piece from spring steel.
  • the spokes are tapered in their central area relative to the end area and are designed as a bending beam.
  • a friction device is provided parallel to the torsion spring.
  • This friction device comprises a friction ring 8, which is also attached to the shaft 2 in a form-fitting manner and is axially displaceable to the shaft axis.
  • the friction ring 8 is pressed against the inner connecting ring 7 of the torsion spring 1 by means of spring struts 9 which are attached to the outer connecting ring 5 of the torsion spring 1.
  • a slope 10 is used, which also serves as a friction surface between the friction ring 8 and the spring struts 9.
  • a plate spring or a similar adjustment device can also be used. It also goes without saying that the friction ring can also be arranged radially on the outside. It is also possible to close the friction ring with the spring or the struts connect and rub against the torsion spring 1 or a corresponding friction surface.
  • the friction disc damper is built according to Fign. 1 to 3 extremely narrow, as tangential spring springs can be dispensed with. This arrangement also makes it possible in particular to compensate for misalignments and angular errors in the spring. With conventional friction disc dampers, this is only possible with great effort.
  • the interlocking connections between the shaft 2 and the torsion spring 1 form an inner contact surface, while the holes for the rivet connection form outer contact surfaces.
  • Each of the contact surfaces has partial areas that run parallel to a plane running through the shaft axis.
  • the torsional vibration dampers shown in FIGS. 4 and 5 are 2-mass torsional vibration dampers, in which a spring friction device 13 is provided between a primary mass 11 and secondary mass 12, which are rotatably supported relative to one another.
  • a torsion spring 1 according to the invention is connected into the force flow between primary mass 11 and secondary mass 12.
  • the torsion spring 1 in these exemplary embodiments is not designed to be flat in order to take account of structural features of the vibration dampers.
  • these torsion springs can also be punched or punched and deformed in one working step.
  • intermediate assemblies 14 (FIG. 5) or 15 (FIG. 5) are provided, each between the spring friction device 13 and the torsion spring 1 are effective.
  • a spring according to the invention can be provided with such torsional vibration dampers by a minimal increase in overall length.
  • a torsion spring with two torsion springs 1 connected in series can be provided, as shown in FIG. 6.
  • the connection as this exemplary embodiment shows, can be realized by an intermediate ring 16.
  • a series connection can be formed in that two torsion springs 1 are connected to one another on their inner connecting ring, as is shown schematically in FIG. 7 by reference number 17.
  • oppositely arranged spokes 6 can be provided, so that the spokes 6 cannot get caught.
  • two torsion springs 1 can be connected in parallel, as shown in FIG. 8.
  • both the outer connecting ring 5 and the inner connecting ring 7 are connected to one another, as is indicated by the reference numerals 18 and 19.
  • Such an arrangement makes it possible, for example, to connect two thin torsion springs 1 to one another to form a relatively strong overall torsion spring.
  • Such an arrangement can make it possible to punch the overall torsion spring, although its actual strength no longer allows punching.
  • the torsion spring shown in FIG. 9 essentially corresponds to the torsion spring according to FIG. I.
  • rectangular recesses are provided on the connecting rings 5, 7, which serve as force transducers.
  • these force transducers have surface areas to which forces can be introduced into the torsion spring in the desired spring direction.
  • the force transducers can form fit with corresponding assemblies and only need to be inserted into them. In this way, a relatively simple assembly of the torsion spring is possible.
  • This torsion spring is also essentially punched.
  • the two torsion spring variants according to Fign. 10 and 1 1 have straight spokes 6. While the length of the spokes 6 in the embodiment shown in FIG. 10 corresponds to the radius bridged by them, the spokes of the embodiment shown in FIG. 11 are longer than this radius.
  • the spokes are not rigid at their outer ends, but are movably connected to one another or to the connecting ring 5.
  • Bearing materials or bearings can be provided on this movable connection.
  • the regions 6 'and the bearings are formed by means of electron or laser processes.
  • FIGS. 12 to 15 show a series connection of a torsion spring 1 according to the invention with the turbine 20 of a Trilok converter.
  • the connection between the torsion spring 1 and the turbine 20 takes place by means of a driver 21, 11
  • the torsion spring 1 is connected to a holding plate 30 serving as a holder for a friction device 31 via a driver 32.
  • the in fig. 14 and 15 illustrated embodiment also has a tangential spring coil 22 connected in series with the torsion spring 1.
  • the friction device 31 is pressed against a housing 33, which is connected to the pump 34 of the Trilok converter, as a function of an oil pressure prevailing in the Trilok converter.
  • the friction device 31 contacts the housing 33 at a higher oil pressure (see FIGS. 12 and 14) and at least part of the force flows via the friction device 31, the holder 30 and the spring according to the invention for the output.
  • the large gaps caused by the spokes 6 enable the oil pressure to act in an excellent manner on the holder 30.
  • the torsion spring 1 shown in FIG. 16 essentially corresponds to that shown in FIG. 10. However, the torsion spring 1 shown in FIG. 16 has only two spokes 6 which are wrapped around one another. Here, this torsion spring 1 is shown in Fig. 16 in a state in which the inner and outer spoke ends or the inner connecting ring 7 and the outer connecting ring 5 are rotated relative to one another or are loaded with a torque.
  • the spokes 6 bear against the inner connecting ring 7 on a system 23 in the case of the angle of rotation shown. If the torque is increased, the system 23 increases toward the outer end of the spoke. The spring constant thus increases because the bending beam length of the spokes 6 is reduced. Conversely, if the torque is reduced, the system 23 is shortened, as a result of which the movable length of the spokes 6 increases and the spring constant decreases accordingly.
  • the spokes 6 can also come into contact with one another with sufficient torque. It is understood that a similar arrangement can be provided with inverse torque on the outer connecting ring 5 or in the vicinity of the outer ends of the spokes 6.
  • a space 24 remains between the system 23 and the inner end of the spoke, as shown in FIG. 16. This facilitates manufacture, among other things, since the gap between the inner connecting ring 7 and the spoke 6 can only be selected to be infinitely small with extreme difficulty. It is true that this intermediate space 24 means that there is no continuous increase in the spring constant, on the other hand, the intermediate space 24 can be chosen to be so small that deviations caused thereby remain meaningless.
  • the intermediate space 24 can have any expedient shape, that is to say also a hole-like recess or the like.
  • the system 23, on the other hand, can also be arranged with respect to the spokes 6 in such a way that the spring constant changes in stages.
  • Measures can be provided on the connection between the connecting rings and the spokes in order to ensure an even introduction of force between the spokes and connecting rings. Constrictions or deliberately placed bores or recesses can also be used for this purpose. In particular, the occurrence of very high tension mushrooms on certain surface areas of the spokes or the connecting rings, which lead to a spring break, can be avoided in this way. Here, all measures are available to the person skilled in the art with which such wear breaks can be avoided.
  • FIG. 17 corresponds essentially to the arrangement according to FIGS. 12 and 13, which is why an explanation of the identical assemblies is omitted.
  • a driver 21 'connected to the torsion spring 1 is provided at the radially outer end of the turbine 20, while the holder 30 is connected radially on the inside via a driver 32' Torsion spring 1 is operatively connected.
  • the force flows at a higher oil pressure via the friction device 31 initially via the holder radially inward, and then via the torsion spring 1 radially outward to the driver 21 connected to the torsion spring 1 in a torque-resistant manner.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un ressort à torsion (1) comportant des rayons (6) qui présentent une extrémité radialement située à l'intérieur et une extrémité radialement située à l'extérieur, les extrémités des rayons radialement situées à l'intérieur étant reliées aux extrémités des rayons radialement situées à l'extérieur. Un tel ressort à torsion fonctionne quasiment indépendamment de la force centrifuge.
PCT/DE2000/002213 1999-07-10 2000-07-10 Ressort a torsion, amortisseur de vibrations torsionnelles, et dispositif comportant un ressort a torsion WO2001004507A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19932331 1999-07-10
DE19932331.3 1999-07-10
DE19940507A DE19940507A1 (de) 1999-07-10 1999-08-26 Torsionsfeder, Drehschwingungsdämpfer sowie Anordnung mit einer Torsionsfeder
DE19940507.7 1999-08-26

Publications (1)

Publication Number Publication Date
WO2001004507A1 true WO2001004507A1 (fr) 2001-01-18

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US7654484B2 (en) 2002-09-02 2010-02-02 Unomedical A/S Apparatus for and a method of adjusting the length of an infusion tube
US7802824B2 (en) 2002-11-26 2010-09-28 Unomedical A/S Connecting piece for a tubing
US7867199B2 (en) 2004-12-10 2011-01-11 Unomedical A/S Inserter
US8062250B2 (en) 2004-08-10 2011-11-22 Unomedical A/S Cannula device
USD655807S1 (en) 2005-12-09 2012-03-13 Unomedical A/S Medical device
US8152771B2 (en) 2001-09-27 2012-04-10 Unomedical A/S Injector device for placing a subcutaneous infusion set
ITTO20111021A1 (it) * 2011-11-07 2013-05-08 Dayco Europe Srl Volano a doppia massa perfezionato
WO2013057728A3 (fr) * 2011-10-21 2013-07-18 Dayco Europe S.R.L. Double volant amortisseur amélioré
WO2016203325A1 (fr) * 2015-06-16 2016-12-22 Dayco Europe S.R.L. Unité de filtrage destinée à des dispositifs de transmission de couple
US10369277B2 (en) 2005-09-12 2019-08-06 Unomedical A/S Invisible needle
CN112664597A (zh) * 2020-12-16 2021-04-16 中国航发控制系统研究所 一种旋转膜片弹簧
FR3112183A1 (fr) 2021-01-30 2022-01-07 Franck Livio Severino Grolleau Ressort de torsion haute densité de couple à faible raideur
DE102022109304A1 (de) 2022-04-14 2023-10-19 Ms Ultraschall Technologie Gmbh Rotationssonotrode

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US4145936A (en) * 1976-01-20 1979-03-27 Westland Aircraft Limited Vibration absorbers
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EP0294048A2 (fr) * 1987-06-05 1988-12-07 Eaton Corporation Volant d'inertie en deux parties avec moyens d'amortissement de torsion
DE3809008A1 (de) * 1988-03-17 1989-09-28 Fichtel & Sachs Ag Torsionsdaempfungsvorrichtung
US5147246A (en) * 1988-05-06 1992-09-15 Valeo Device with torsion damping by resilient plates, especially for an automotive vehicle
US5590750A (en) 1992-09-24 1997-01-07 Valeo Torsion damper for a lock-up clutch, and a lock-up clutch having such a torsion damper
EP0751314A2 (fr) * 1995-06-30 1997-01-02 Aisin Seiki Kabushiki Kaisha Disque d'embrayage
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US8152771B2 (en) 2001-09-27 2012-04-10 Unomedical A/S Injector device for placing a subcutaneous infusion set
US8172805B2 (en) 2001-09-27 2012-05-08 Unomedical A/S Injector device for placing a subcutaneous infusion set
US8162892B2 (en) 2001-09-27 2012-04-24 Unomedical A/S Injector device for placing a subcutaneous infusion set
US7654484B2 (en) 2002-09-02 2010-02-02 Unomedical A/S Apparatus for and a method of adjusting the length of an infusion tube
US7802824B2 (en) 2002-11-26 2010-09-28 Unomedical A/S Connecting piece for a tubing
US8221355B2 (en) 2004-03-26 2012-07-17 Unomedical A/S Injection device for infusion set
US7648494B2 (en) 2004-03-26 2010-01-19 Unomedical A/S Infusion set and injector device for infusion set
US8062250B2 (en) 2004-08-10 2011-11-22 Unomedical A/S Cannula device
US7867200B2 (en) 2004-12-10 2011-01-11 Unomedical A/S Inserter
US7867199B2 (en) 2004-12-10 2011-01-11 Unomedical A/S Inserter
US10369277B2 (en) 2005-09-12 2019-08-06 Unomedical A/S Invisible needle
USD655807S1 (en) 2005-12-09 2012-03-13 Unomedical A/S Medical device
USD682415S1 (en) 2005-12-09 2013-05-14 Unomedical A/S Medical device
WO2013057728A3 (fr) * 2011-10-21 2013-07-18 Dayco Europe S.R.L. Double volant amortisseur amélioré
US9964177B2 (en) 2011-10-21 2018-05-08 Dayco Europe S.R.L. Dual mass flywheel
ITTO20111021A1 (it) * 2011-11-07 2013-05-08 Dayco Europe Srl Volano a doppia massa perfezionato
WO2016203325A1 (fr) * 2015-06-16 2016-12-22 Dayco Europe S.R.L. Unité de filtrage destinée à des dispositifs de transmission de couple
CN112664597A (zh) * 2020-12-16 2021-04-16 中国航发控制系统研究所 一种旋转膜片弹簧
FR3112183A1 (fr) 2021-01-30 2022-01-07 Franck Livio Severino Grolleau Ressort de torsion haute densité de couple à faible raideur
DE102022109304A1 (de) 2022-04-14 2023-10-19 Ms Ultraschall Technologie Gmbh Rotationssonotrode

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