WO2017054808A1 - Gleitschiene für ein umschlingungsmittel eines umschlingungsgetriebes und messverfahren zum ermitteln eines anliegenden drehmoments an einem kegelscheibenpaar - Google Patents
Gleitschiene für ein umschlingungsmittel eines umschlingungsgetriebes und messverfahren zum ermitteln eines anliegenden drehmoments an einem kegelscheibenpaar Download PDFInfo
- Publication number
- WO2017054808A1 WO2017054808A1 PCT/DE2016/200406 DE2016200406W WO2017054808A1 WO 2017054808 A1 WO2017054808 A1 WO 2017054808A1 DE 2016200406 W DE2016200406 W DE 2016200406W WO 2017054808 A1 WO2017054808 A1 WO 2017054808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pair
- strand
- torque
- slide rail
- belt
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 238000000691 measurement method Methods 0.000 title abstract description 3
- 230000001133 acceleration Effects 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims description 25
- 230000010355 oscillation Effects 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/042—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands by measuring vibrational characteristics of the flexible member
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H2007/185—Means for guiding or supporting belts, ropes, or chains the guiding surface in contact with the belt, rope or chain having particular shapes, structures or materials
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- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
- F16H61/66272—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the gearing
Definitions
- the invention relates to a slide rail for a belt of a belt drive, a belt drive for a drive train and a drive train, in particular for a motor vehicle, and a measuring method for determining an applied torque on a cone pulley pair, a control program, a control program product and a control unit.
- Umschlingungsgetriebe with which at least partially a continuous change of the translation (or reduction) is possible.
- Such a belt transmission is known for example from DE 100 17 005 A1.
- a preferred embodiment of a Umslingungsgetriebes is referred to as CVT transmission (English: continuous variable transmission).
- the belt transmission comprises two pairs of conical disks, each of which has two conical disks.
- the conical disks are each aligned with their conical surface. Between the conical disks of a cone pulley pair thus a wedge disk is formed.
- the two conical surfaces are displaceable along their common axis of rotation relative to each other between a maximum spaced position and a minimally spaced position.
- a cone pulley is fixed axially and the other cone pulley axially displaceable.
- the wedge is variably formed.
- the wrapping means has a plurality of flexing axes, for example in the case of a transmission chain by means of a plurality of chain pins or, in the case of a belt, infinitely many theoretical flexing axes.
- the belt means travels radially outwardly in a pair of conical disks as its conical disks are guided toward each other, and the belt means moves radially inwardly in a pair of conical disks when remove the conical disk pairs from each other. This movement is usually carried out exactly opposite in a Umsling gear on the cone pulley pairs, while the distance between the cone pulley pairs is fixed so that the tension of the belt (almost) remains constant, without a deflection mechanism or clamping mechanism are provided for the belt got to.
- a transmission input shaft is rotationally fixed, and a transmission output shaft is rotationally fixed relative to a second pair of conical disks connected in a torque-transmitting manner by means of the belt.
- a translation is adjustable.
- the belt transmission is combined with a conventional gearbox with fixed gear ratios, so that a larger transmission spread is achieved with a relatively smaller number of fixed gear ratios.
- a (hydraulic) torque sensor is used, as known for example from DE 42 34 294 A1.
- the invention relates to a slide for a belt of a belt transmission, wherein the slide has at least one sliding surface for guiding a belt and further at least one acceleration sensor, wherein the at least one acceleration sensor is arranged such that by means of the at least one acceleration sensor acceleration of the slide perpendicular for at least one sliding surface is detected.
- the wrapping means is set in oscillation about the belt means.
- the Umschlingungsstoffebene (or short: vibration level) is the shortest tangential connection of the set active circle of the conical disk pairs, ie the distance between the wedge disk formed between the conical disks, which corresponds to the width of the belt.
- the position of the vibration plane is variable with the change of the translation.
- the plane of oscillation coincides with the median plane in the running direction of the respective run, that is to say of the load run, sometimes also referred to as the run, or of the return run, sometimes also called the slip run, of the belt.
- sliding rails with at least one sliding surface, preferably two opposing sliding surfaces on both sides of the vibration plane, are used in the prior art.
- the at least one sliding surface bears against the belting means with as little play as possible over as long an extension as possible.
- Such slide rails are, for example, from the above
- the Slide rail for a load section and for an empty section, with optional structural adjustments.
- the applied torque (M D ) can be calculated by the strand tension forces, namely the tension force (T z ) of the load strand and the tension force (71) of the slack side, by their voltage difference is formed and with the radius (lever arm) (r a ) of multiplied by the currently set looping circle:
- the currently applied radius (r a ) is a variable variable, which is however already determined for the setting of a desired ratio in the prior art and is therefore known.
- the clamping force (T z ) of the load strand is referred to below as tensile stress (T z ) and the clamping force (71) of the empty strand as empty stress (T L ).
- the oscillation frequency (f z or ⁇ ) of a strand is a function of the Trumspannkraft (T z or T L ), which are in sufficiently close approximation by the physical oscillation relationship of an ideal string with a length (L) and mass coating ⁇ ) as follows leaves:
- the length (L) and mass coating (u) of the strands are approximately constant and known quantities.
- the mass covering ⁇ ) indicates the unit mass (of the string) per length (of the string) to [kg / m].
- the slide rail comprises a cast element and the at least one acceleration sensor is cast into the cast element.
- the slide rail preferably completely made of plastic and to manufacture this as an injection molded part. Due to the relatively low temperatures, simple acceleration sensors can be integrated directly into the casting element during injection molding. As a result, the acceleration sensor can be directly aligned in the production process and secured in this position for the entire service life.
- the acceleration sensor is integrated in a preferred embodiment tree neutral in an otherwise conventional slide.
- a wrap-around belt is proposed for a drive train which has at least the following components:
- the wrap-around fabric is primarily characterized in that at least one acceleration sensor is provided for the load strand and for the slack side, wherein the at least one acceleration sensor is set up such that an acceleration of the respective run perpendicular to the vibration plane can be detected by means of the acceleration sensor.
- control unit for torque-dependent adjustment of the contact pressure of a respective one of the cone pulley pairs.
- a torque can be transferred in a transferable or transferable manner, wherein the transfer is infinitely variable at least in regions.
- the translation is set via the two cone pulley pairs as described above.
- the wrapping means is in this case between the respective relatively movable conical disks of a cone arranged pairs of discs and transmits a torque from a conical disk pair on the other cone pulley pair.
- the at least one slide rail is always aligned adjacent parallel to the belt.
- the vibrations of a strand can be determined by means of an acceleration sensor, which is arranged externally, for example by means of a high-frequency distance-measuring laser sensor.
- a first acceleration sensor for the load strand and a second acceleration sensor for the return strand are provided.
- the vibration frequencies of the stretches can be detected.
- the oscillation frequencies in turn can be used to determine the torque according to the above-mentioned mathematical approximation.
- the contact pressure on both conical disk pairs or the respective conical disk pair, for which the torque has been calculated (by inserting the respective radius and corresponding sign reversal), is controlled by a control unit.
- the control unit is preferably an integral part of the belt transmission.
- the control unit is formed by a central or (more) decentralized arithmetic unit, by means of which only the belt transmission or other components of a drive train or other tasks are processed.
- At least one of the acceleration sensors is arranged in a slide rail according to an embodiment as described above.
- the acceleration sensor By attaching the acceleration sensor to a slide a particularly simple construction of the measuring arrangement, and particularly preferably space-neutral, possible.
- two slide rails are provided, each with at least one acceleration sensor for each run.
- a drive train which has a drive unit with an output shaft, at least one load and a belt transmission according to an embodiment according to the above-mentioned.
- Has spelling wherein the output shaft for torque transmission by means of the belt drive with the at least one consumer with variable gear ratio is connectable.
- the drive train is set up to transmit a torque, which is provided by a drive unit, for example an energy conversion machine, for example an internal combustion engine or an electric motor, and output via its output shaft for use as needed, ie taking into account the required speed and the required torque.
- the use is, for example, at least one drive wheel of a motor vehicle and / or an electrical generator for the provision of electrical energy.
- a recording of a, for example, a drive wheel introduced inertial energy, which then forms the drive unit, by means of the belt drive on an electric generator for recuperation, ie the electrical storage of braking energy, with a suitably equipped torque transmission train feasible.
- a plurality of drive units are provided, which are connected in series or in parallel or can be operated decoupled from one another and whose torque can be made available for use by means of a belt transmission according to the above description as needed. Examples are hybrid drives of electric motor and internal combustion engine, but also multi-cylinder engines in which individual cylinders (groups) are switchable.
- the belt transmission described above is particularly advantageous because a large step-free ratio spread can be achieved in a small space.
- the proposed here measuring device for detecting the vibration frequencies of the strands can be implemented with little space or even space neutral.
- the measuring method or control method is simple with only three manipulated variables, namely the two oscillation frequencies and the currently set radius of the loop, can be implemented and requires no complex control technology.
- a motor vehicle is proposed which has at least one drive wheel which can be driven by means of a drive train as described above.
- the drive train described above has a belt transmission, which does not require a conventional torque sensor or at a higher detection accuracy of the torque compared to a belt transmission with conventional torque sensor construction space neutral or even more compact executable.
- the detection accuracy is significantly improved compared to an indirect electronic determination of the currently applied torque from engine characteristics.
- Passenger cars are assigned to a vehicle class according to, for example, size, price, weight and power, and this definition is subject to constant change according to the needs of the market.
- cars of the class small cars and microcars are classified according to European classification of the class of Subcompact Car and in the British market they correspond to the class Supermini or the class City Car.
- Examples of the micro car class are one Volkswagen up! or a Renault Twingo.
- Examples of the small car class are an Alfa Romeo Mito, Volkswagen Polo, Ford Fiesta or Renault Clio.
- a measuring method for determining an applied torque on a pair of conical disks preferably the input (first) pair of conical disks, a belt transmission with a belt, which connects a first pair of conical disks with a second cone pulley pair and thereby a load and a Leertrum forms, preferably a belt transmission according to an embodiment as described above, proposed, wherein the measuring method comprises at least the following steps:
- step d Determining the torque on the cone pulley pair by forming a clamping force difference from that in step c. determined shear stress force and tensile stress force and multiplication of this clamping force difference with the currently set Umslingungsradius at the respective cone pulley pair.
- the torque on a conical disk pair can be determined by multiplying the clamping force difference ⁇ [T Z - T L ]) by the currently set radius on the respective conical disk pair. If the direction of the torque is known, you can work with the amount of the clamping force difference ⁇ T Z - T L ⁇ ). Alternatively, to determine the direction of the torque for the input cone pulley pair, the (positive) shear stress force is subtracted from the (positive) tensile stress force and the (positive) tensile stress force is subtracted from the (positive) shear stress force for the output cone pulley pair.
- the acceleration of the load strand or the return strand transverse to the respective vibration plane can be determined in any conventional manner.
- the respective acceleration is determined by means of an acceleration sensor in the respective slide rail, preferably according to an embodiment according to the above description.
- the determined torque is used in a control method for controlling the contact pressure for the respective conical disk pair or both conical disk pairs.
- the relationship between the applied torque and the required contact pressure is known for example from DE 42 34 294 A1.
- step a step e. executed, based on the in step d. determined torque of the contact pressure of the respective conical disk pair or both conical disk pairs is adjusted. In this case, it is achieved that a torque can be reliably transferred from the cone pulley pair to the belting means or from the belting means to the other belt pulley pair.
- a control program is proposed, which is executable in a control unit which controls the measuring method or a control method according to one embodiment according to the preceding description. includes, wherein the contact pressure of the cone pulley pair is set based on the detected torque.
- the control program is executable on a controller comprising a processor and is converted into a concrete machine action by means of the respective actuators.
- the controller itself forms a control unit or the controller forms a control unit together with the corresponding actuators.
- the pneumatic or hydraulic pressure is set to the axially movable conical disk of the conical disk pair depending on the detected torque by detecting the oscillation frequency and the currently set radius of the belt in the cone pulley pair.
- the control program is also executable, for example for test purposes, on an external (multi-function) controller and / or in a simulation.
- the control program includes known and already elaborated process components that are necessary and / or established for execution.
- control program product which comprises the control program according to an embodiment according to the preceding description.
- the control program product includes the control program stored on a solid such as a CD, DVD, Blu-ray Disc, a USB flash memory, a (server) hard disk, or a dedicated board. If the control program product is read, then it is executable on a computer, preferably a specially configured controller or control system, preferably after copying the control program or after installation.
- the process stored as a control program and / or the method stored on the control program product can be modular and include necessary known and already elaborated process components for executing the method from other sources, such as a server on the Internet.
- additional hardware such as sensors, may be included to perform the method.
- a wrap-around control unit by means of which the measuring method according to an embodiment according to the above description or a control program according to an embodiment according to the above description is executable.
- the control unit is preferably part of a conventional control system of a belt transmission and / or a motor control.
- the control unit is arranged in the housing of the belt transmission and communicating with the corresponding sensors or indirectly connected to evaluation, so that the control unit has access to the raw data and / or processed data.
- the control unit has a plurality of control operators, which are preferably implemented in a (micro) processor or a corresponding memory unit. The operators carry out the sub-steps of the measuring method, or the control method for regulating the contact pressure.
- the control unit comprises actuators for implementing the control and / or accesses external actuators for this purpose.
- FIG. 1 a looping device with control unit
- FIG 3 shows a drive train in a motor vehicle with wrap-around fabric.
- a wrap-around fabric 4 is shown in which a first slide rail 1 and a second slide rail 2 are provided for the common belting means 3.
- the Slide rails 1 and 2 sliding surfaces 5 and 6 are provided to here only on the first slide rail 1).
- Leertrum 17 each three chain links pars pro toto indicated and, moreover, the belt 3 is shown for better clarity with dashed lines.
- the belt 3 is arranged at the first cone pulley pair 13 on a minimum radius of curvature 27 and the second cone pulley pair 15 corresponding to the maximum radius of wrap 27 (not explicitly designated here) arranged.
- a torque 24 is translated from the transmission input shaft 12 or geared to a transmission output shaft 14 and vice versa transferable.
- the first acceleration 9 of the load strand 16 transverse to the vibration plane 31 of the load strand 16 and the second acceleration 10 of the slack strand 17 transverse to the vibration plane 32 of the slack side 17 are detected here.
- the tensile stress force 25 or the shear stress force 26 can be easily calculated on the basis of known values (length and mass coating) and the physical relationship of a string with a mass coating. If one now forms the voltage difference between the Trumspann devise 25 and 26 and multiplies this with the currently set loop radius 27, we obtain the currently applied torque 24.
- the contact pressure of a conical disk pair 13 or both conical disk pairs 13 and 15 by means of a control unit 18 appropriately adjustable.
- the first sliding surface 5 can be seen and the second sliding surface 6 hidden in this representation.
- an acceleration sensor 7 or 8 which is integrated into the slide rail 1 or 2 is preferably cast, aligned with the (main) measuring direction transverse to the vibration plane 31 and 32, respectively.
- a drive train 1 1 comprising a drive unit 19, shown here as an internal combustion engine, an output shaft 20, a belt transmission 4 and a torque transmitting connected left drive wheel 21 and right drive wheel 22, shown schematically.
- the output shaft 20 of the drive unit 19 in this case also forms the transmission input shaft 12.
- the shaft to the drive wheels 21 and 22 are connected to the transmission output shaft 14 to transmit torque.
- the drive train 1 1 is arranged here in a motor vehicle 23, wherein the drive unit 19 is arranged with its motor axis 30 transverse to the longitudinal axis 29 in front of the driver's cab 28.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/763,049 US10895307B2 (en) | 2015-09-29 | 2016-08-30 | Slide rail for a wrap-around means of a continuously variable transmission and measurement method for determining a torque present at a cone pulley pair |
DE112016004409.7T DE112016004409A5 (de) | 2015-09-29 | 2016-08-30 | Gleitschiene für ein Umschlingungsmittel eines Umschlingungsgetriebes und Messverfahren zum Ermitteln eines anliegenden Drehmoments an einem Kegelscheibenpaar |
CN201680053862.8A CN108027060A (zh) | 2015-09-29 | 2016-08-30 | 用于缠绕式变速器的缠绕器件的滑轨和用于求取作用在锥盘对上的扭矩的测量方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015218664.4 | 2015-09-29 | ||
DE102015218664 | 2015-09-29 |
Publications (1)
Publication Number | Publication Date |
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WO2017054808A1 true WO2017054808A1 (de) | 2017-04-06 |
Family
ID=57003296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2016/200406 WO2017054808A1 (de) | 2015-09-29 | 2016-08-30 | Gleitschiene für ein umschlingungsmittel eines umschlingungsgetriebes und messverfahren zum ermitteln eines anliegenden drehmoments an einem kegelscheibenpaar |
Country Status (4)
Country | Link |
---|---|
US (1) | US10895307B2 (de) |
CN (1) | CN108027060A (de) |
DE (2) | DE112016004409A5 (de) |
WO (1) | WO2017054808A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200393024A1 (en) * | 2018-03-05 | 2020-12-17 | Schaeffler Technologies AG & Co. KG | Slide rail for a belt means of a belt drive |
Families Citing this family (9)
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---|---|---|---|---|
DE102017111194B3 (de) * | 2017-05-23 | 2018-09-20 | Schaeffler Technologies AG & Co. KG | Gleitführung und Gleitführungspaar für ein Umschlingungsgetriebe |
US10514096B2 (en) * | 2017-10-06 | 2019-12-24 | GM Global Technology Operations LLC | Continuously variable transmission ratio measuring device |
DE102017128862A1 (de) * | 2017-12-05 | 2019-06-06 | Schaeffler Technologies AG & Co. KG | Kegelscheibenumschlingungsgetriebe für ein Kraftfahrzeug |
IT201800005867A1 (it) * | 2018-05-30 | 2019-11-30 | Dispositivo di protezione di pulegge per linee di trasporto | |
DE102018123597A1 (de) * | 2018-09-25 | 2020-03-26 | Schaeffler Technologies AG & Co. KG | Dämpfervorrichtung für ein Umschlingungsmittel eines Umschlingungsgetriebes |
DE102018130768A1 (de) * | 2018-12-04 | 2020-06-04 | Schaeffler Technologies AG & Co. KG | Dämpfereinrichtung für ein Umschlingungsmittel eines Umschlingungsgetriebes |
DE102019108716A1 (de) * | 2019-01-09 | 2020-07-09 | Schaeffler Technologies AG & Co. KG | Gleitschiene für ein Umschlingungsgetriebe |
US11242927B2 (en) * | 2019-05-23 | 2022-02-08 | GM Global Technology Operations LLC | Robust hydraulic system disturbance detection and mitigation |
CN112539268B (zh) * | 2020-12-01 | 2022-02-08 | 湘潭大学 | 一种无级变速器金属带带环失效控制装置及方法 |
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2016
- 2016-08-30 DE DE112016004409.7T patent/DE112016004409A5/de not_active Withdrawn
- 2016-08-30 DE DE102016216280.2A patent/DE102016216280A1/de not_active Withdrawn
- 2016-08-30 CN CN201680053862.8A patent/CN108027060A/zh active Pending
- 2016-08-30 US US15/763,049 patent/US10895307B2/en active Active
- 2016-08-30 WO PCT/DE2016/200406 patent/WO2017054808A1/de active Application Filing
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US20200393024A1 (en) * | 2018-03-05 | 2020-12-17 | Schaeffler Technologies AG & Co. KG | Slide rail for a belt means of a belt drive |
US11879522B2 (en) * | 2018-03-05 | 2024-01-23 | Schaeffler Technologies AG & Co. KG | Slide rail for a belt means of a belt drive |
Also Published As
Publication number | Publication date |
---|---|
US20180274674A1 (en) | 2018-09-27 |
DE102016216280A1 (de) | 2017-03-30 |
US10895307B2 (en) | 2021-01-19 |
DE112016004409A5 (de) | 2018-06-21 |
CN108027060A (zh) | 2018-05-11 |
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