WO2017028858A1 - Pendule à force centrifuge et convertisseur de couple hydrodynamique équipé d'un pendule à force centrifuge - Google Patents

Pendule à force centrifuge et convertisseur de couple hydrodynamique équipé d'un pendule à force centrifuge Download PDF

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Publication number
WO2017028858A1
WO2017028858A1 PCT/DE2016/200377 DE2016200377W WO2017028858A1 WO 2017028858 A1 WO2017028858 A1 WO 2017028858A1 DE 2016200377 W DE2016200377 W DE 2016200377W WO 2017028858 A1 WO2017028858 A1 WO 2017028858A1
Authority
WO
WIPO (PCT)
Prior art keywords
pendulum
centrifugal
spherical rollers
torque converter
centrifugal pendulum
Prior art date
Application number
PCT/DE2016/200377
Other languages
German (de)
English (en)
Inventor
Stephan Maienschein
Original Assignee
Schaeffler Technologies AG & Co. KG
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
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to CN201680046283.0A priority Critical patent/CN107850180B/zh
Priority to DE112016003781.3T priority patent/DE112016003781A5/de
Publication of WO2017028858A1 publication Critical patent/WO2017028858A1/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
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
    • 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
    • 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
    • F16H2045/0205—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • 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
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • 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
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0247—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a turbine with hydrodynamic damping means
    • 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
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0263—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means the damper comprising a pendulum

Definitions

  • the invention relates to a centrifugal pendulum and equipped with this hydrodynamic torque converter with a arranged around the transmission input shaft housing, an integrated pump in the housing impeller, wherein the housing receives a relation to this rotatably arranged turbine wheel, an effective between the impeller and turbine torque converter lock-up clutch and optionally a torsional vibration damper ,
  • Centrifugal pendulum are sufficiently known from drive trains of motor vehicles.
  • a support member is rotatably received about an axis of rotation, for example, a crankshaft of an internal combustion engine, a transmission input shaft of a transmission or the like.
  • Pendulum masses distributed over the circumference are arranged on the support part, which are suspended in a plane perpendicular to the axis of rotation with respect to the support part in a pendulum fashion on the support part.
  • the pendulum masses in the centrifugal force field of the rotating carrier part form a rotational speed adaptive torsional vibration damper in that the pendulum masses withdraw energy from the drive train during torque peaks by means of appropriate deflection and supply it at torque minima.
  • pendulum masses can be arranged axially between two side parts, which form the carrier part, distributed over the circumference.
  • pendulum mass parts can be arranged on both sides of the carrier part. Axially opposite ing pendulum mass parts are connected by means of connecting means with each other to pendulum masses, wherein the connecting means pass through recessed corresponding recesses of the support member.
  • a centrifugal pendulum can - as disclosed for example with reference to the above-mentioned publications WO2014 / 082629 A1, DE 10 2012 221 949 A1 - be provided on a one-mass flywheel, for example, a one-mass flywheel made of sheet metal.
  • a centrifugal pendulum on a torsional vibration damper, corresponding to the document WO2014 / 1 14 280 A1 on a clutch disc, according to the document EP 2 600 030 A1 hydrodynamic torque converter, be provided on a housing of a friction clutch or similar locations of the drive train.
  • hydrodynamic torque converter from drive trains of motor vehicles are known and are preferably arranged between an internal combustion engine and a transmission.
  • the converter function of the torque converter with torque increase is preferably used to start the motor vehicle by the torque from the housing, which is driven by means of the crankshaft of the internal combustion engine, is passed through the impeller.
  • the impeller thereby drives a turbine wheel, which transmits the torque via an output part under support to a stator for torque increase to a transmission input shaft of the transmission.
  • a lock-up clutch operatively arranged between the impeller and the turbine wheel is closed, so that the torque is reduced while bypassing the converter component.
  • torsional vibration dampers are provided, depending on their arrangement with open and / or closed torque converter lockup clutch between the housing and the output part or between the turbine wheel and the output part of the torque converter are effective.
  • torsional vibration dampers may include a plurality of damper stages, which are arranged to each other serially and / or in parallel.
  • centrifugal pendulums for improved vibration isolation of the torsional vibrations of the internal combustion engine, the use of centrifugal pendulums in the housing of the torque converter is furthermore known, which are effectively integrated in the housing in conjunction with torsional vibration dampers.
  • WO 2010/043194 A1 discloses a hydrodynamic torque converter with a plurality of effective in the open and closed state of the lockup clutch damper assemblies and a centrifugal pendulum, the centrifugal pendulum is connected directly to the turbine wheel.
  • a torque converter with a torsional vibration damper assigned to one of the torque converter lock-up clutch is attached. ordered balance masses that roll on pendulum rollerways.
  • the object of the invention is the development of a centrifugal pendulum and a torque converter with a centrifugal pendulum.
  • the object of the invention is to achieve an improved stabilization of the spherical rollers on the pendulum roller tracks.
  • object of the invention to achieve an improved synchronization of the spherical rollers.
  • the proposed centrifugal pendulum includes a pendulum roller carrier arranged about a rotation axis and distributed over the circumference arranged on this pendulum rollers.
  • the spherical rollers may be formed, for example, as discs made of sheet metal and round, elliptical, be formed in the form of drops or similar shape.
  • the spherical rollers are captive secured to the pendulum roller carrier. Under the action of centrifugal force of the pendulum roller carrier rotating about the rotation axis, the spherical rollers form a rolling contact by means of a rolling surface with a rolling surface of a pendulum roller conveyor of the pendulum roller carrier.
  • the spherical roller can be integrally formed from a single disc part as a pendulum or two-piece or multi-part disk parts such as side panels made of sheet metal, the spherical rollers are axially separated between them in individual pendulum spaces such as support sections separately.
  • the disc parts are firmly connected to each other, for example, riveted or welded.
  • One or more disc parts are rotationally driven, for example, from a crank or transmission input shaft or in a Aggregate, for example, input and / or output side in a clutch disc, a torque converter, a friction clutch, a dual clutch, an electric machine or the like integrated.
  • spherical rollers shift against the pendulum roller conveyors and shift there for the eradication of torsional vibrations.
  • About the axis of rotation of the pendulum roller carrier located pendulum rollers are protected in a preferred manner at too low centrifugal force against a radial displacement radially inward.
  • corresponding stops for example, soft stop buffer, spring elements or the like may be provided.
  • the centrifugal pendulum is tuned to at least one predetermined order of vibration, for example, a main vibration order of the internal combustion engine. If a cylinder deactivation is provided in the internal combustion engine, the centrifugal pendulum can be tuned to a plurality of oscillation orders, namely to the oscillation order of the full number of cylinders and to the oscillation orders of the internal combustion engine with the other cylinders operated. This can be provided for example by different masses of spherical rollers or pendulum masses, different raceways or pendulum rollerways and / or the like.
  • At least one contact area between spherical rollers and disk parts may be heat and / or surface treated.
  • corresponding contact areas for example protrusions of the spherical rollers, pins and / or the areas of the window parts or the entire components located in the support sections - disc parts and / or spherical rollers can be hardened, preferably surface hardened.
  • coatings for example layers of diamond-like carbon (DLC), may be provided on at least one contact area.
  • a part of the rolling surfaces or all rolling surfaces may be treated with heat or surface treatment.
  • frontal contact areas between spherical rollers and disc parts can not be parallel, for example, formed crowned.
  • the WälzAND forming rolling surfaces of the spherical rollers and the disc or the parts to each other in the axial direction can not be formed in parallel.
  • the projections of the spherical rollers or the pendulum roller tracks of the disc parts may be formed crowned.
  • a centrifugal pendulum rollers are elastically coupled together in the circumferential direction. This means that a movement such as rolling movement of the spherical rollers can be done synchronized on their pendulum rollerways and especially at low speeds or stationary pendulum roller carrier, the spherical rollers can be kept on their pendulum rollerways.
  • a centrifugal pendulum may include coupling members which are rotatably received on the spherical rollers.
  • the coupling links connect, for example, two adjacent spherical rollers elastically with each other by these are elastically connected to each other in the circumferential direction.
  • the coupling members may be provided in the circumferential direction with gaps in which a spring element, such as coil springs, rubber buffers or the like added, for example, hung in the coupling links, braced or otherwise attached to these captive, so that the column an elastic approach and / or allow removal of the coupling members against each other.
  • a spring element such as coil springs, rubber buffers or the like added, for example, hung in the coupling links, braced or otherwise attached to these captive, so that the column an elastic approach and / or allow removal of the coupling members against each other.
  • the coupling elements themselves may be rigid.
  • the coupling elements may themselves be designed to be elastic in the circumferential direction.
  • the rotatable receiving the coupling members on the spherical rollers can be provided in a particularly advantageous manner on the axis of rotation of the spherical roller along the pendulum roller conveyor of the pendulum roller carrier.
  • the proposed centrifugal pendulum pendulum roller carrier may be formed as a pendulum flange forming disk part having recesses with radially outwardly formed pendulum rollerways, distributed over the circumference each forms a pendulum roller on a trained for this pendulum roller under centrifugal force influence of the rotating pendulum flange a rolling contact.
  • the spherical rollers can essentially axially dig be included in the pendulum.
  • the coupling members may be rotatably attached to the spherical rollers.
  • the spherical rollers may have axially expanded, preferably arranged on the axis of rotation projections on which the coupling members are rotatably received.
  • the spherical rollers may preferably have openings at their axis of rotation, into which pins of the coupling links or pins connecting axially opposite coupling elements are rotatably inserted.
  • the coupling members may be formed of push rods, as discs such as sheet metal or plastic discs or the like.
  • the coupling members may be formed as mass elements.
  • the mass of a pendulum role associated coupling members may be formed comparable to the mass of the spherical rollers. This means that the mass of the mass elements can be from 0.1 times to 1 (times, preferably 0.3 times to 3 times the mass of the spherical rollers.) In the case of a two-sided arrangement of mass elements on a pendulum flange, this mass can be related to two axially opposite mass elements or to a single mass element.
  • the rolling motion of the pendulum rollers of the centrifugal pendulum is coupled by means of an elastic and / or damping element.
  • the coupling can transmit tensile and / or compressive forces during operation of the centrifugal pendulum depending on the design.
  • elastic coupling elements can be installed as biased biased.
  • the coupling by means of elastic and / or damping coupling elements is preferably carried out indirectly via an element connected to the roller, for example a mass element.
  • the coupling element is ideally stored in the center of rotation of a spherical roller.
  • a bearing such as a plain bearing or roller bearing in the spherical roller, can improve the function of the centrifugal pendulum by reducing the friction.
  • damping elements for example elements made of elastomers, can be attached between the coupling elements.
  • the proposed hydrodynamic torque converter is effectively arranged about an axis of rotation between a crankshaft of an internal combustion engine and a transmission input shaft of a transmission.
  • the torque converter may be a housing, For example, have a toroidal housing, which is arranged around a transmission input shaft.
  • the housing may be mounted on a Leitradstutzen formed for example in the form of a pipe section and sealed against the outside.
  • the housing can be formed by the crankshaft in a rotationally driven manner, it being possible for an impeller to be integrated into the housing.
  • an impeller can be added to a preformed converter shell fins, for example, hung in the housing and be soldered tight.
  • a turbine wheel By means of a hydraulic fluid stored in the housing, for example ATF, a turbine wheel is driven by the impeller.
  • the turbine wheel is rotationally connected to the transmission input shaft.
  • the impeller serves as an input part and the turbine wheel as an output part of the torque converter.
  • a stator by means of a freewheel housing fixed, for example, be taken on Leitradstutzen.
  • lockup clutch which transmits the torque flow frictionally engaged in the closed state from the housing to the transmission input shaft, in the open state, the hydrodynamic coupling between impeller and turbine turns and in the slipping state, the torque is divided into a transmitted via the lockup torque part torque and transmitted via the hydrodynamic coupling part torque.
  • the converter lockup clutch is preferably effected by changes in the flows or pressures of the fluid held in the housing. The flows of the fluid are from the outside mit- controlled by appropriate control devices and can be supplied and removed via openings, for example in the transmission input shaft, gaps between the transmission input shaft and Leitradstutzen and / or the like.
  • the converter lockup clutch may be a disk clutch disposed between the housing and the turbine wheel.
  • the torque converter lockup clutch may be a friction clutch arranged between the housing and the turbine wheel, for example a multi-plate clutch or may be formed from a single friction lining forming a frictional connection with a counter friction surface.
  • the lockup clutch may include an axially displaceable piston having a friction surface that can frictionally engage a counter friction surface.
  • the piston can be connected in a rotationally fixed manner to the turbine and form a frictional connection with a counter-friction surface arranged on the housing.
  • the piston can be connected in a rotationally fixed manner to the turbine wheel and form a frictional connection with a counter-friction surface of the turbine wheel.
  • the lockup clutch is disposed between outer peripheries of the impeller and the turbine wheel.
  • additional components such as fins of the converter bridging clutch, pistons and the like can be saved.
  • additional axial space available so that the torque converter can be axially formed particularly narrow.
  • the turbine wheel of the lock-up clutch formed in this way is designed to be so stiff that the forces occurring at the lock-up clutch at the frictionally engaged radially outside the blades of the turbine wheel are transmitted can.
  • the operation of the lockup clutch takes place in a preferred manner by setting different fluid flows or differential pressures on both sides of the turbine shell.
  • the turbine wheel can be rotatably mounted on the transmission input shaft and axially limited displaceable.
  • the bearing can be provided by means of a bush which seals the transmission input shaft relative to the turbine wheel so that different fluid flows or flow directions or pressure differences for controlling the torque converter lockup clutch can be set between the turbine wheel and impeller on the one hand and the remaining volume of the housing on the other hand.
  • the torque converter further includes the proposed centrifugal pendulum and optionally a torsional vibration damper.
  • a torsional vibration damper for improved vibration isolation of torsional vibrations, improved protection of the centrifugal pendulum, for improved space utilization and the like
  • pendulum masses or spherical rollers of the centrifugal pendulum pendulum can be arranged at the radial height of the torque converter lockup clutch.
  • axial space can be saved, for example, by axial overlap of the centrifugal pendulum and the Wandlertorus.
  • the spherical roller carrier can be accommodated on a hub, for example riveted to it.
  • the hub is rotationally connected to the transmission input shaft and has for this purpose, for example, an inner profile such as internal toothing, which forms a rotational lock with an outer profile such as external toothing of the transmission input shaft.
  • this can be arranged axially between one of the crankshaft facing wall of the housing and the turbine wheel, ie in geometrical arrangement between the input part and turbine wheel.
  • the hub of the centrifugal pendulum pendulum can thereby form a rotational circuit with an end-side portion of the transmission input shaft and thus form the output part of the torque converter.
  • the spherical roller carrier is formed as a pendulum one or more parts.
  • this may be formed from a pendulum rollers axially leading first disc part and a second, the pendulum roller tracks having disc part as guide flanges.
  • the two disk parts can be riveted to one another radially inside the spherical rollers after they have been introduced into a working space formed by the disk parts, for example.
  • the first of the two interconnected disc parts is connected to the hub.
  • An in the effective direction between the turbine wheel and centrifugal pendulum optionally arranged torsional vibration damper has an input part, which is connected to the turbine wheel, for example, riveted.
  • the riveting of this riveting is preferably provided radially within the fins of the turbine wheel.
  • the input part may be stamped and formed from an annular sheet metal part.
  • the ele Elements of the spring device for example, short ringentik- or Bogenfe- countries, be provided radially on the outside surrounding the sheet metal part.
  • the output part of the torsional vibration damper may be connected to the pendulum roller carrier directly or to the hub.
  • the pendulum roller carrier and the output part of the torsional vibration damper can be connected together with the hub, for example, riveted.
  • the hydrodynamic torque converter with converter pressure coupling, centrifugal pendulum and the optional torsional vibration damper can be designed as a separate unit which is threaded during assembly of the drive train of a motor vehicle or on the transmission input shaft.
  • Torque converter with a centrifugal pendulum with coupled pendulum rollers in section
  • FIG. 2 partial view of the centrifugal pendulum pendulum of FIG. 1
  • FIG. 1 shows the upper part of the torque converter 1, which is rotatable about the axis of rotation d of the transmission input shaft 6.
  • the housing 14 takes the impeller 3, the turbine 10, the lock-up clutch 9, the centrifugal power pendulum 4 and the torsional vibration damper 13 and is filled to produce the hydrodynamic coupling of the pump impeller 3 with the turbine wheel 10 during operation at least partially with hydraulic fluid.
  • the housing 14 is rotatably connected by means of the fastening means 15 by means of a flexplate or the like and axially elastically connected to the crankshaft of an internal combustion engine.
  • the impeller 3 is integrated in the housing 14.
  • the housing 14 is formed from the converter shell 16 and the wall 17 with the axial projection 18, which are radially connected externally sealed together, for example, welded.
  • the lockup clutch 9 is integrated in the turbine 10 and the impeller 3.
  • the turbine wheel 10 is radially expanded and has the coupling flange 19.
  • the ring portion 20 is provided.
  • a paper coating is provided which forms the frictional engagement with the Gegenreib
  • the lockup clutch 9 is actuated by means of a fluid flow between the enclosed between the turbine 10 and impeller 3 chamber 23 on the one hand and separated from this by means of the sleeve 24 between the transmission input shaft 6 and turbine 10 chamber 25, wherein the fluid flow through the gap 26 and the hollow bore 27 of Transmission input shaft 6 is supplied or removed.
  • the fluid flow flows through the chambers 23, 25 with different flow velocities of the turbine wheel 10, so that this buoyancy is maintained and opened.
  • the fluid flow is particularly at open and slipping wall Lerüberbrückungskupplung 9 maintained.
  • grooves such as cooling grooves are provided in the friction lining 22 and / or in its counter-friction surface, which maintain a predetermined fluid flow even when the lockup clutch 9 is closed and thus cool the lockup clutch 9 in the region of the friction engagement.
  • the centrifugal pendulum 4 is arranged in the chamber 25 axially between the wall 17 and the turbine wheel 10 and occupies substantially the radially available space to the inner periphery of the axial projection 18 a.
  • the centrifugal force pens 4 serves as an output part of the torque converter 1 and has distributed over the circumference of spherical rollers 29 and the pendulum roller carrier 30.
  • the pendulum roller carrier 30 is formed from the pendulum 31.
  • the radially outwardly provided support portion 34 receives the distributed over the circumference arranged spherical rollers 29.
  • 31 recesses 36 are provided in the pendulum, which have radially outwardly for each spherical roller 29 a pendulum roller 35, with which the spherical rollers 29 form a rolling contact under centrifugal force of the rotating pendulum roller carrier 30.
  • the coupling members 33 arranged on both sides of the pendulum flange 31 are preferably connected to the pendulum rollers 29 so as to be rotatable along their rotational axis D along the pendulum roller tracks 35.
  • the rotatable connection is formed by the pin 49, which receives the coupling members 33 at both ends.
  • the coupling members 33 are formed as mass elements 50 which have a comparable mass with the mass of the spherical rollers.
  • the coupling members 33 are - in a non-visible way - with the in Circumferentially coupled circumferentially adjacent coupling links in perennialsgehchtung.
  • the hub 5 is rotationally connected with the front end region of the transmission input shaft 6 as toothed and receives the centrifugal pendulum 4.
  • the pendulum flange 31 is received on the radially enlarged hub flange 38 of the hub 5 by means of the same rivet 38a as the output part 37 of the optional torsional vibration damper 13.
  • the output part 37 of the torsional vibration damper 13 and connected to the turbine 10 by means of the rivet 40 input part 39 are opposite Effect of distributed over the circumference arranged spring elements 41 such as helical compression springs relative to each other rotatable relative to the rotation axis d, so that the torsional vibration damper 13 remaining torsional vibrations, which still remain after the hydraulic coupling between impeller 3 and turbine 10 and by the absorber function of the mass of the turbine wheel attenuates.
  • the downstream centrifugal pendulum 4 in turn removes the remaining after the torsional vibration damper 13 torsional vibrations.
  • the torsional vibration damper 13 is accommodated radially in the region of the feeder 42 of the turbine wheel 10 between its mounting on the transmission input shaft 6 and the belly with the maximum axial extension of the fins 43 space-saving.
  • the input part 39 is outside of the diameter of the spring elements 41 placed around this at least their outer diameter cross-over, so that they are radially supported and axially lost captive in the input part 39.
  • the stator 46 is arranged, which is received by means of the freewheel 47 on the Leitradstutzen 48.
  • FIG. 2 shows a partial view of the centrifugal force pendulum 4 of FIG. 1 from the view X.
  • the spherical rollers 29 are arranged distributed over the circumference in their recesses 36.
  • the spherical rollers 29 take on both sides relative to the pendulum 31 arranged coupling members 33 rotatable about the axis of rotation D.
  • the coupling members 33 are elastically coupled to one another in the circumferential direction by means of the spring elements 51, for example, in receptacles 52 captively received compression springs 53.
  • the spherical rollers 29 are pressed radially against the pendulum roller tracks, so that they remain even with the pendulum flange 31 at their positions.
  • the damping effect of the centrifugal pendulum 4 is superimposed on a damping effect of the coupling links 33, which are used to tune the damping and dampening of torsional vibrations, for example the tuning of the vibration order of the centrifugal pendulum pendulum 4 can serve.
  • An abutment of the coupling members 33 against each other is optionally prevented or reduced by a block position of the spring elements 51.
  • FIG. 3 shows a partial view of the centrifugal force pendulum 4 of FIGS. 1 and 2 similar centrifugal force pendulum 4a in the representation of FIG. 2.
  • FIG. 3 shows a partial view of the centrifugal force pendulum 4 of FIGS. 1 and 2 similar centrifugal force pendulum 4a in the representation of FIG. 2.
  • resilient stops 54a provided by the coupling members 33a stop buffer 55a, which are preferably formed of an elastomer and firmly received on a contact surface of the adjacent coupling member opposite contact surface.

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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 pendule à force centrifuge (4) et un convertisseur de couple hydrodynamique (1) comprenant un carter (14) disposé autour de l'arbre d'entrée (6), un impulseur (3) intégré dans le carter (14), ledit carter (14) logeant une roue de turbine (10) montée rotative par rapport au carter, un embrayage de pontage (9) monté de façon active entre l'impulseur (3) et la roue de turbine (10), éventuellement un amortisseur de vibrations de torsion (13) et un pendule à force centrifuge (4). Afin d'améliorer la synchronisation des galets de pendule (29), ces derniers sont accouplés les uns aux autres de manière élastique dans le sens périphérique.
PCT/DE2016/200377 2015-08-20 2016-08-15 Pendule à force centrifuge et convertisseur de couple hydrodynamique équipé d'un pendule à force centrifuge WO2017028858A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680046283.0A CN107850180B (zh) 2015-08-20 2016-08-15 离心力摆和具有离心力摆的液力变矩器
DE112016003781.3T DE112016003781A5 (de) 2015-08-20 2016-08-15 Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015215889.6A DE102015215889A1 (de) 2015-08-20 2015-08-20 Fliehkraftpendel und hydrodynamischer Drehmomentwandler mit Fliehkraftpendel
DE102015215889.6 2015-08-20

Publications (1)

Publication Number Publication Date
WO2017028858A1 true WO2017028858A1 (fr) 2017-02-23

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PCT/DE2016/200377 WO2017028858A1 (fr) 2015-08-20 2016-08-15 Pendule à force centrifuge et convertisseur de couple hydrodynamique équipé d'un pendule à force centrifuge

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