WO1999050570A1 - Amortisseur de torsion pour double volant pour vehicule automobile - Google Patents
Amortisseur de torsion pour double volant pour vehicule automobile Download PDFInfo
- Publication number
- WO1999050570A1 WO1999050570A1 PCT/FR1999/000712 FR9900712W WO9950570A1 WO 1999050570 A1 WO1999050570 A1 WO 1999050570A1 FR 9900712 W FR9900712 W FR 9900712W WO 9950570 A1 WO9950570 A1 WO 9950570A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- springs
- phasing
- damper according
- washers
- torsional damper
- 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
- F16F15/10—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
- F16F15/134—Wound springs
- F16F15/13469—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
- F16F15/13476—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations resulting in a staged spring characteristic, e.g. with multiple intermediate plates
- F16F15/13484—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations resulting in a staged spring characteristic, e.g. with multiple intermediate plates acting on multiple sets of springs
- F16F15/13492—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations resulting in a staged spring characteristic, e.g. with multiple intermediate plates acting on multiple sets of springs the sets of springs being arranged at substantially the same radius
Definitions
- the present invention relates to a torsional damper for a double flywheel for a motor vehicle.
- a torsional damper with circumferential action for a double steering wheel for a motor vehicle, intended to be kinematically disposed between the primary and secondary steering wheels of the double steering wheel, of the kind comprising a first element adapted to be connected to the primary steering wheel itself intended to be connected to the crankshaft of the vehicle engine, a second element adapted to be connected to the secondary flywheel intended to receive a clutch mechanism, said damper comprising elastic means associated with friction means; as is known, such an arrangement allows excellent filtering of the torsional oscillations generated by the engine, particularly in low revs, with the consequence of a significant reduction in noise, in particular in the gearbox.
- the torsion damper has a large clearance; generally, to do this, the elastic means are long helical springs, most often pre-bent, housed in an annular channel formed largely in the primary flywheel; taking into account the great length of the springs, it is frequent to fill said annular channel at least partially with grease and to place, between the external periphery of the springs and the interior of the annular channel, a piece of protection against wear; as can be seen, such an arrangement, of the kind described for example in document FR-A-2 601 1 04, is expensive.
- a double flywheel for a motor vehicle intended to be arranged kinematically between the primary and secondary flywheels of the double flywheel, the primary flywheel being intended to be connected to the crankshaft of the vehicle engine and the secondary flywheel being intended to receiving a clutch mechanism, of the type comprising a first element adapted to be connected to one of said flywheels, a second element adapted to be connected to the other of said flywheels, said shock absorber comprising elastic means associated with friction means , said elastic means consisting of at least a first group of springs acting in series by means of first phasing washers, is characterized in that said elastic means comprise a second group of springs acting in series through second phasing washers, said first and second groups of springs acting in series through a phasing set.
- each of the first and second groups of springs extending along a circumference the two circumferences have different diameters.
- the two circumferences are in the same transverse plane, perpendicular to the axis of the damper, one surrounding the other.
- the first element surrounds the second element.
- the first and second elements extend in said transverse plane.
- the first element consists of a plane ring called the first ring provided with holes for fixing it to one of the flywheels and radial tabs called first tabs comprising bearing and wedging surfaces for the springs.
- the second element consists of a plane ring called the second ring provided with holes for its attachment to the other of the flywheels and of the radial lugs known as the second lugs comprising bearing and wedging surfaces for the springs.
- the first element is in the form of a hollow cover having an external peripheral rim and a bottom connected by a cylindrical skirt, the bottom comprising a central opening, the rim being provided with holes for its attachment to one of the steering wheels, radial legs called first legs, having bearing surfaces for the springs, coming from the bottom by extending transversely in a plane offset axially inwards relative to the plane of the bottom;
- the second element is in the form of a hollow cover having an external peripheral rim and a bottom connected by a cylindrical skirt, the bottom having a central opening and being provided with holes for its attachment to the other of the frills, of the radial lugs , said second legs, having bearing surfaces for the springs being obtained by conformation of the flange by extending transversely in a plane offset axially inwards relative to the plane of the rest of the flange.
- the phasing washers are of frustoconical shape and provided with oblique legs having bearing and wedging surfaces for the springs of the group of springs with which they are associated, said oblique legs cutting the circumference of said group of springs, the washers phasing extending generally in a transverse plane located at a distance from the transverse plane of symmetry of the damper.
- the phasing assembly is a ring of generally X-shaped section defining rims, which have a first window for the first group of springs and a second window for the second group of springs.
- the inner and outer peripheral ends of said rims are frustoconical and adapted to constitute centering and guiding means in rotation for the phasing washers.
- the phasing assembly consists, economically, of two identical parts assembled back to back, each of the parts being a ring of generally V-shaped section whose axis is parallel to the axis of the shock absorber. .
- the radial tabs of the first element have a thickness less than that of the annular body of said element and are connected to the internal periphery of the latter which is frustoconical, with an angle corresponding to that of the first phasing washers.
- the radial lugs of the second element have a thickness less than that of the annular body of said element and are connected to the external periphery of the latter which is frustoconical, with an angle corresponding to that of the second phasing washers.
- the phasing washers are of generally planar shape and are provided with radial lugs directed inwards, comprising bearing and setting surfaces for the springs of the group of springs with which they are associated, said lugs extending, by means of stampings, in a transverse plane offset axially with respect to the transverse plane in which the major part of the washers extends.
- the phasing assembly is a flat disc with central opening and comprises a first window for the first group of springs and a notch, bordering the central opening, for the second group of springs.
- the phasing washers are axially guided by the phasing assembly which they frame and centered by it and / or the skirt of the second element which itself, in cooperation with the skirt of the first element, centers the phasing set.
- the damper comprises several first groups of springs and as many second groups of springs, the first groups of springs, on the one hand, and the second groups of springs, on the other hand, acting in parallel.
- the damper comprises three first groups and three second groups of springs.
- FIG. 1 is a plan view of a shock absorber for a double flywheel according to the invention
- FIG. 2 is a section along the line II-II in Figure 1;
- - Figure 3 is similar to Figure 1, the first and second elements having rotated relative to each other;
- - Figure 4 is a partial diagram showing the series-parallel mounting of the elastic means of the damper of Figures 1 to 3;
- - Figures 5 and 6 are views, respectively in plan and in section along VI-VI of Figure 5, showing the first and second elements of the damper of Figures 1 to 4;
- - Figures 7 and 8 are views, respectively in plan and in section along VIII-VIII of Figure 7, showing the phasing washers of the damper of Figures 1 to 6;
- FIG. 9 and 1 0 are views, respectively in plan and in section along XX of Figure 9, showing the phasing assembly of the damper of Figures 1 to 8;
- - Figures 1 1 and 1 2 are similar to Figures 1 and 2 and show a variant, Figure 1 1 being a sectional view along XI-XI of Figure 1 2 and Figure 1 2 a sectional view along XII- XII of Figure 1 1;
- Figure 1 3 is similar to Figure 1 1, the first and second elements having rotated relative to each other;
- FIG. 1 4 is a partial sectional view along XIV-XIV of Figure 1 2;
- Figures 1 5 and 1 6 are views, respectively in plan and in section along XVI-XVI of Figure 1 5, showing the first and second elements of the damper of Figures 1 1 to 1 4;
- Figures 1 7 and 1 8 are views, respectively in plan and in section along XVIII-XVIII of Figure 1 7, showing the phasing washers of the damper of Figures 1 1 to 1 6;
- Figure 1 9 and 20 are views, respectively in plan and in section along XX-XX of Figure 1 9, showing the phasing assembly of the damper of Figures 1 1 to 18.
- the damper illustrated in Figures 1 to 1 intended to equip a motor vehicle, comprises a first element 10 adapted to be connected to the primary flywheel of a double flywheel and a second element 20 adapted to be connected to the secondary flywheel of the double steering wheel.
- the primary flywheel fitted with a starter ring, is designed to be connected to the crankshaft of the motor vehicle engine; the secondary flywheel is intended to receive a clutch mechanism, not shown, and constitutes a reaction plate adapted to cooperate with a friction disc, not shown, associated with said clutch mechanism; the secondary flywheel is thus intended to be disengageably linked in rotation to the input shaft of the gearbox via the clutch mechanism.
- a rolling means is arranged between the primary flywheel and the secondary flywheel.
- the circumferential action torsional damper is arranged kinematically between the primary and secondary flywheels.
- the shock absorber comprises elastic means associated with friction means.
- the friction means are arranged in the usual way, acting between the primary and secondary flywheels; they are of the conventional type, for example with a cassette, such as those described in the French patent application filed on May 4, 1 995 under the number 95 05332 and, for this reason, are not shown and will not be detailed here .
- the elastic means consist of helical springs 30, 40 arranged circumferentially.
- the elastic means consist of a series of helical springs 30 generally arranged along a circumference 35 and a series of helical springs 40 arranged along a circumference 45, of smaller diameter than that of the circumference 35.
- the springs 30 are divided here into three groups 31, 32, 33 called first groups, each first group here comprising three springs 30.
- the springs 40 are divided into three groups 41, 42, 43 called second groups, each second group comprising three springs 40.
- each first group 31, 32, 33 act in series by means of first phasing washers, here two first phasing washers 51 and 53; the first two phasing washers 51 and 53 are identical; each first phasing washer 51 or 53, better visible in FIGS. 7 and 8, is of frustoconical shape and provided with oblique tabs 55, extending from the outer periphery of the washer towards the axis thereof; the first phasing washer 51 or 53 has as many oblique legs 55 as there are first groups of springs, here three in number; each oblique tab 55 laterally has bearing surfaces 56 for the springs 30, arranged generally radially with respect to these 8
- each second group 41, 42, 43 act in series by means of two identical second phasing washers 52 and 54, also visible in FIGS. 7 and 8; each second phasing washer 52 or 54 is of frustoconical shape and provided with oblique tabs 58, extending from the outer periphery of the washer away from the axis thereof; the oblique tabs 58, three in number here, also laterally have bearing surfaces 56 for the springs 40, arranged generally radially with respect to them and placed on either side of wedging surfaces 57 slightly projecting with respect to the bearing surfaces 56.
- Figures 5 and 6 show the first and second elements, respectively 1 0 and 20, only; these elements are generally planar and of annular shape.
- the first element 1 0 has at its internal periphery radial lugs 1 1, here three lugs 1 1, each provided laterally with bearing surfaces 1 2 framing a wedging surface 1 3; holes 1 4 distributed circumferentially and formed in the first element 10 allow the fixing thereof on the primary flywheel.
- the second element 20 has, at its outer periphery, radial lugs 21, here three lugs 21, each provided laterally with bearing surfaces 22 framing a setting surface 23; holes 24 distributed circumferentially and formed in the second element 20 allow the fixing thereof on the secondary flywheel.
- the phasing assembly 60 consists of two identical annular parts 64, 65 in stamped and cut sheet metal assembled back to back by rivets not shown thanks to holes 68 placed opposite that 'they present; each of pieces 64, 65 is a ring of generally flattened V-shaped section, the axis of which is parallel to the axis of the ring; each of the parts 64, 65 thus constitutes a sort of rim, and when the two rims 64, 65 are assembled back to back the phasing assembly 60 is a ring of section generally in the shape of an X.
- each rim 64, 65 has a flat annular portion 74 hollowed out in its central zone with an annular channel 75 with a flat bottom; it is through the flat bottom of this channel that the two rims 64 and 65 are in back-to-back contact;
- the planar part 74 is bordered radially by an external periphery 67 and an internal periphery 66 which are frustoconical;
- the angle of the cone of the external periphery 67 corresponds to the angle of the cone of the first frustoconical phasing rings 51 and 53, and the angle of the cone of the internal periphery 66 corresponds to the angle of the cone of the second phasing washers 52 and 54 frustoconical:
- the rims 64 and 65 constitute centering and guiding means in rotation for the phasing washers 51 to 54.
- Each rim 64 and 65 has first windows 61, 62, 63 adapted to each receive a first group 31, 32, 33 of springs, and second windows 71, 72, 73 adapted to each receive a second group 41, 42, 43 springs.
- the first windows 61, 62, 63 and the second windows 71, 72, 73 extend circumferentially: here, there are three first windows and three second windows; the second windows are radially to the right of the first windows; a first and a second window are placed radially on either side of the annular channel 75.
- the first element 10 has its transverse plane of symmetry which is also, overall, that of the second element 20 and of the damper; the radial lugs 1 1 and 21 of the first 10 and second 20 elements extend between the rims 64, 65 and inside, from the upper part for the lugs 1 0
- the radial lugs 1 1 of the first element 1 0 have a thickness less than that of the annular body of said element and are connected to the internal periphery 1 5 of it which is frustoconical, with an angle corresponding to that of the first phasing washers 51 and 53, which are well centered and well guided between the peripheries 67 of the phasing assembly 60 and this periphery 15.
- the second phasing washers 52 and 54 are disposed, on either side of the latter, the second phasing washers 52 and 54 respectively; we see that, like the radial lugs 1 1 of the first element 1 0, the radial lugs 21 of the second element 20 have a thickness less than that of the annular body of said element and are connected to the outer periphery 25 of the latter which is frustoconical , with an angle corresponding to that of the second phasing washers 52 and 54, which are well centered and well guided between the peripheries 66 of the phasing assembly 60 and this periphery 25.
- each second group 41, 42, 43 of springs bear one on the edge of a second window 71, 72, 73 of the phasing assembly 60, the other on a tab 21 of the second element 20; between two of these springs 40 is placed a tab 1 1
- FIG. 4 schematically illustrates the kinematic assembly of the various elements.
- each first group 31, 32, 33 acts in series with each second group 41, 42, 43, the first three groups 31, 32, 33 acting in parallel as well as the three second groups 41, 42, 43.
- the phasing washers 51, 52, 53, 54, as well as the phasing assembly 60, are mounted to rotate freely relative to the first 10 and second 20 elements, as described above.
- the operation of the torsion damper according to the invention follows from the description which has just been made.
- FIG. 3 shows such a position where these springs are compressed; in this figure, the second element 20 occupies the same position as it has in Figure 1, while the first element 10 has rotated, relative to the second element 20, clockwise with respect to the figure, an angle A of about 75 degrees.
- the invention it is possible, in a simple manner, to obtain a large relative angular movement, in a shock absorber whose size is reduced, both axially and diametrically.
- the springs are short.
- the legs 1 1 of the first element 1 0 and the legs 21 of the second element 20 are at right 1 2
- the first 1 1 0 and second 1 20 elements extend on either side of this transverse plane while it is the phasing assembly 1 60 which extends along this plane.
- the first element 1 1 0 is in the form of a hollow cover having an external peripheral rim 1 1 6 and a bottom 1 1 7 connected by a cylindrical skirt 1 1 8; the bottom 1 1 7 has a central opening 1 1 9; the flange 1 1 6 is provided with holes 1 1 4 for fixing it, for example by screws, to one of the flywheels, here the primary flywheel 1; this first element 1 1 0 has radial lugs 1 1 1, or first legs, comprising bearing surfaces 1 1 2 for the springs, here the springs 30; the tabs 1 1 1 come from the bottom 1 1 7 extending transversely in a plane offset axially inwards with respect to the plane of the bottom 1 1 7.
- the second element 1 20 is also in the form of a hollow cover having a external peripheral rim 1 26 and a bottom 1 27 connected by a cylindrical skirt 1 28; the bottom 1 27 has a central opening and is provided with holes 1 24 for its attachment to the other of the flywheels, here the secondary flywheel 2; this second element 1 20 has radial lugs 1 21, or second legs, having bearing surfaces 1 22 for the springs, here the springs 40; this lugs 1 21 are obtained by shaping the rim 1 26, for example by stamping; they extend transversely in a plane offset axially inwardly relative to the rest of the rim 1 26. 13
- Phasing washers 151, 153 are associated with the springs 30 and phasing washers 152, 154 are associated with the springs 40, one surrounding the other.
- the phasing washers have a simpler shape.
- These phasing washers are generally planar and provided with radial lugs 155, 158 respectively directed inward; these tabs have bearing surfaces 156 and wedging surfaces 157 for the springs; these tabs extend, by means of stampings 159, in a transverse plane offset axially relative to the transverse plane in which extends the major part of the washers 151, 152,153,154.
- the phasing assembly 160 is a flat disc with central opening; it has three windows 161,162,163, extending circumferentially and adapted to receive the first three groups 31,32,33 of springs 30; its central opening is cut so as to present three notches 171, 172, 173 which border it and which are adapted to receive the three second groups 41, 42, 43 of springs 40.
- the various components of the shock absorber which have just been described are arranged so that all the forces transmitted are symmetrically with respect to the transverse plane of symmetry of the phasing assembly 160 and have results located in this plane.
- the stampings 159 of the phasing washers 151-154 are such that the tabs 155, 158 extend in this plane of symmetry, as visible in FIG. 14.
- the primary flywheel 1 carries bosses 211 in the form of lugs situated in line with the lugs 111 of the first element 110 for symmetrical support of the springs 30; the secondary flywheel 2 carries bosses 221 in the form of lugs situated in line with the lugs 121 of the second element 120 for symmetrical support of the springs 40.
- bosses 211 and 22 instead of being an integral part of the flywheels, could be replaced by lugs carried by washers attached to the flywheels or respectively fixed to the flywheels.
- first and second elements so as to produce the damper in the form of a sub-assembly.
- the larger diameter phasing washers 151 and 153 are placed axially, one between the primary flywheel 1 and the phasing assembly 160, the other 153 between the latter and the bottom 117 of the first element 110, and are centered by the phasing element 160.
- the smaller diameter phasing washers 152 and 154 are placed axially, one 152 between the flange 126 of the second element 120 and the phasing assembly 160, the other 154 between the latter and the secondary flywheel 2, and are centered by the phasing assembly 160 and the skirt 128 of the second element 120.
- an anti-friction means here a ball bearing, allowing the relative centering of the primary 1 and secondary flywheels 2.
- the phasing assembly 160 is itself centered by skirts 118 and
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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)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/424,408 US6306043B1 (en) | 1998-03-27 | 1999-03-26 | Motor vehicle double flywheel torsional damper |
JP54896299A JP2002500742A (ja) | 1998-03-27 | 1999-03-26 | 自動車のダブルフライホイール用のトーションダンパー |
DE19980654T DE19980654B4 (de) | 1998-03-27 | 1999-03-26 | Torsionsdämpfer für ein Zweimassenschwungrad für Kraftfahrzeuge |
KR1019997010916A KR100572272B1 (ko) | 1998-03-27 | 1999-03-26 | 토션 댐퍼 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/03805 | 1998-03-27 | ||
FR9803805A FR2776733B1 (fr) | 1998-03-27 | 1998-03-27 | Amortisseur de torsion pour double volant pour vehicule automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999050570A1 true WO1999050570A1 (fr) | 1999-10-07 |
Family
ID=9524570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/000712 WO1999050570A1 (fr) | 1998-03-27 | 1999-03-26 | Amortisseur de torsion pour double volant pour vehicule automobile |
Country Status (6)
Country | Link |
---|---|
US (1) | US6306043B1 (fr) |
JP (1) | JP2002500742A (fr) |
KR (1) | KR100572272B1 (fr) |
DE (1) | DE19980654B4 (fr) |
FR (1) | FR2776733B1 (fr) |
WO (1) | WO1999050570A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4275247B2 (ja) | 1999-05-20 | 2009-06-10 | Nskワーナー株式会社 | ダンパ装置 |
JP2004278744A (ja) * | 2003-03-18 | 2004-10-07 | Exedy Corp | ダンパー機構及びダンパーディスク組立体 |
JP4730225B2 (ja) * | 2006-06-21 | 2011-07-20 | トヨタ自動車株式会社 | ダンパ装置 |
US8596398B2 (en) * | 2007-05-16 | 2013-12-03 | Polaris Industries Inc. | All terrain vehicle |
FR2940825B1 (fr) * | 2009-01-08 | 2014-10-31 | Valeo Embrayages | Double volant amortisseur a double moyens d'amortissement, notamment pour vehicule automobile |
KR101050103B1 (ko) * | 2009-03-27 | 2011-07-19 | 주식회사 서진클러치 | 듀얼 메스 플라이휠 |
KR101099122B1 (ko) * | 2010-03-22 | 2011-12-26 | 주식회사 서진오토모티브 | 듀얼 메스 플라이휠 |
FR2969730B1 (fr) | 2010-12-23 | 2014-02-21 | Valeo Embrayages | Organe de phasage pour un amortisseur de torsion |
JP5672164B2 (ja) | 2011-02-15 | 2015-02-18 | アイシン・エィ・ダブリュ株式会社 | ダンパ装置 |
JP5589883B2 (ja) | 2011-02-15 | 2014-09-17 | アイシン・エィ・ダブリュ株式会社 | ダンパ装置 |
JP5418531B2 (ja) * | 2011-03-28 | 2014-02-19 | アイシン・エィ・ダブリュ株式会社 | ダンパ装置 |
FR3025267B1 (fr) * | 2014-08-28 | 2018-03-09 | Valeo Embrayages | Dispositif de transmission de couple, notamment pour vehicule automobile |
JP6374765B2 (ja) * | 2014-11-12 | 2018-08-15 | 本田技研工業株式会社 | 環状バネ、並びに、それを用いたトルク検出装置及びロボット関節機構 |
FR3057320B1 (fr) * | 2016-10-10 | 2021-07-16 | Valeo Embrayages | Amortisseur d'oscillations de torsion, notamment pour convertisseur de couple hydrodynamique |
US10717474B2 (en) | 2017-03-21 | 2020-07-21 | Arctic Cat Inc. | Cab and fasteners for vehicle cab |
US11046176B2 (en) * | 2017-03-21 | 2021-06-29 | Arctic Cat Inc. | Off-road utility vehicle |
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FR2605696A1 (fr) * | 1986-10-23 | 1988-04-29 | Fichtel & Sachs Ag | Amortisseur de vibrations de torsion a ressorts de torsion disposes cote a cote |
DE3823384A1 (de) * | 1988-07-09 | 1990-01-11 | Fichtel & Sachs Ag | Drehschwingungsdaempfer |
US5307710A (en) * | 1991-08-30 | 1994-05-03 | Fichtel & Sachs Ag | Two-mass flywheel |
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US1952564A (en) * | 1930-12-15 | 1934-03-27 | Prins Peter Lourens | Elastic coupling for coaxial rotary parts |
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US4304107A (en) * | 1977-05-31 | 1981-12-08 | Borg-Warner Corporation | Series spring torsional vibration damper |
US4139995A (en) * | 1977-12-27 | 1979-02-20 | Borg-Warner Corporation | High deflection amplitude torsional vibration damper |
US4279132A (en) * | 1978-10-16 | 1981-07-21 | Borg-Warner Corporation | Vibration damper assembly |
US4360352A (en) * | 1981-03-27 | 1982-11-23 | Borg-Warner Corporation | Extended travel vibration damper assembly |
US4422535A (en) * | 1981-05-20 | 1983-12-27 | Ford Motor Company | Compound damper assembly for an automatic transmission |
US4471863A (en) * | 1981-08-28 | 1984-09-18 | Borg-Warner Corporation | Multi-stage torsional damping device |
JPS58106246A (ja) * | 1981-12-16 | 1983-06-24 | Atsugi Motor Parts Co Ltd | 回転トルク伝達装置 |
US4585427A (en) * | 1985-03-26 | 1986-04-29 | Borg-Warner Automotive, Inc. | Long travel series damper for continuously variable transmission |
JP2718413B2 (ja) * | 1986-07-05 | 1998-02-25 | ルーク・ラメレン・ウント・クツプルングスバウ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 振動緩衝装置 |
US4891033A (en) * | 1988-04-20 | 1990-01-02 | Automatic Spring Coiling Co. | Device for coupling coil springs compressed in series in a clutch damper |
US4947700A (en) * | 1988-05-03 | 1990-08-14 | Borg-Warner Automotive, Inc. | Continuously variable transmission system and long travel torsion damper therefor |
US5295910A (en) * | 1989-05-22 | 1994-03-22 | Luk Lamellen Und Kupplungsbau Gmbh | Apparatus for damping vibrations |
US5246399A (en) * | 1991-12-11 | 1993-09-21 | Borg-Warner Automotive Transmission & Engine Components Corporation | Two-stage torsional vibration damper |
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1998
- 1998-03-27 FR FR9803805A patent/FR2776733B1/fr not_active Expired - Lifetime
-
1999
- 1999-03-26 DE DE19980654T patent/DE19980654B4/de not_active Expired - Fee Related
- 1999-03-26 US US09/424,408 patent/US6306043B1/en not_active Expired - Lifetime
- 1999-03-26 KR KR1019997010916A patent/KR100572272B1/ko not_active IP Right Cessation
- 1999-03-26 WO PCT/FR1999/000712 patent/WO1999050570A1/fr active IP Right Grant
- 1999-03-26 JP JP54896299A patent/JP2002500742A/ja active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2605696A1 (fr) * | 1986-10-23 | 1988-04-29 | Fichtel & Sachs Ag | Amortisseur de vibrations de torsion a ressorts de torsion disposes cote a cote |
DE3823384A1 (de) * | 1988-07-09 | 1990-01-11 | Fichtel & Sachs Ag | Drehschwingungsdaempfer |
US5307710A (en) * | 1991-08-30 | 1994-05-03 | Fichtel & Sachs Ag | Two-mass flywheel |
Also Published As
Publication number | Publication date |
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US6306043B1 (en) | 2001-10-23 |
KR100572272B1 (ko) | 2006-04-24 |
JP2002500742A (ja) | 2002-01-08 |
DE19980654T1 (de) | 2000-05-25 |
KR20010012946A (ko) | 2001-02-26 |
FR2776733A1 (fr) | 1999-10-01 |
DE19980654B4 (de) | 2010-11-25 |
FR2776733B1 (fr) | 2000-06-16 |
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