WO2011074947A1 - Dispositif de mesure pour mesurer une force de pédalage exercée par un cycliste - Google Patents

Dispositif de mesure pour mesurer une force de pédalage exercée par un cycliste Download PDF

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Publication number
WO2011074947A1
WO2011074947A1 PCT/NL2010/000171 NL2010000171W WO2011074947A1 WO 2011074947 A1 WO2011074947 A1 WO 2011074947A1 NL 2010000171 W NL2010000171 W NL 2010000171W WO 2011074947 A1 WO2011074947 A1 WO 2011074947A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring member
members
measuring device
inner ring
coupling members
Prior art date
Application number
PCT/NL2010/000171
Other languages
English (en)
Inventor
Bastiaan Andreas D'herripon
Gijsbertus Cornelis Franciscus Roovers
Original Assignee
Idbike Ip B.V.
Idbike B.V.
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 Idbike Ip B.V., Idbike B.V. filed Critical Idbike Ip B.V.
Publication of WO2011074947A1 publication Critical patent/WO2011074947A1/fr

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40Rider propelled cycles with auxiliary electric motor
    • B62M6/45Control or actuating devices therefor
    • B62M6/50Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62JCYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40Sensor arrangements; Mounting thereof
    • B62J45/41Sensor arrangements; Mounting thereof characterised by the type of sensor
    • B62J45/411Torque sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62JCYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40Sensor arrangements; Mounting thereof
    • B62J45/42Sensor arrangements; Mounting thereof characterised by mounting
    • B62J45/421Sensor arrangements; Mounting thereof characterised by mounting at the pedal crank
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02Rotary-transmission dynamometers
    • G01L3/14Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft
    • G01L3/1407Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs
    • G01L3/1428Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers
    • G01L3/1457Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers involving resistance strain gauges

Definitions

  • TITLE Measuring device for measuring a pedalling force exerted by a cyclist
  • the present invention relates in general to a device for measuring a pedalling force exerted by a cyclist, and for providing an electrical output signal representing this force.
  • a device for measuring a pedalling force exerted by a cyclist is useful, among other things, in electrically assisted bicycles where an auxiliary propulsion motor is controlled to provide assistance propulsion power proportional to the human pedalling force, or in exercise equipment such as spinning apparatus or sporting bicycles where it is desired to measure. the power exerted by the cyclist.
  • pedal-powered apparatus including mono-cycles, vehicles with three or more wheels, spinning apparatus, as long as such vehicle or apparatus comprises a set of pedals mounted on a common axle (hereinafter indicated as pedal axle) to be rotated by a human user (using his feet or hands) .
  • pedal axle a common axle
  • Such apparatus will be indicated by the general phrase "pedal- powered apparatus”.
  • the present invention aims to propose a device suitable for use in the rotating pedal assembly. Even more generally, the present invention may also be useful for measuring torque in any rotating assembly.
  • FIG. 1 schematically shows a cross section of a pedal system 10 in, for . instance, a bicycle 1.
  • the figure shows a bottom bracket 2 with a bearing 3, in which an axle 11 is mounted for rotation; this axle will be indicated as pedal axle or bottom bracket axle.
  • pedals 12 are mounted through cranks or pedal arms 13.
  • pedal systems 10 are commonly known, a further more detailed description is not needed. It is noted that the word “pedal” may. suggest actuation by a user using his feet, but the present invention applies also in the case of handbikes where the user rotates the pedals using his hands.
  • the pedals are used for conveying a driving force to a driving wheel via a transmission member.
  • a transmission member is in many cases implemented as a chain, and such embodiment is shown in figure 1: the figure shows a chain wheel assembly 20 mounted on the pedal axle 11, while the chain engaging on this chain wheel is indicated at 15.
  • the transmission member may for instance be implemented as a belt.
  • the transmission member may also be implemented as a rotating axle (shaft drive) arranged perpendicular to the pedal axle 11, coupled to the wheel assembly via bevel gearings.
  • FIG. 2 schematically shows the design of a chain wheel assembly 20 in more detail.
  • the chain wheel assembly 20 generally comprises a splined inner ring .21 and an outer ring 22, and a series of radial spokes 24 connecting the outer ring 22 to the inner ring 21.
  • the radial spokes 24 preferably have mutually identical dimensions, although this is not essential.
  • the inner ring 21 is fixed with respect to the pedal axle 11. In the embodiment shown, this is
  • the inner ring 21 being provided with a series of splines at its inner surface, engaging matching splines (not shown) on the pedal axle 11.
  • the outer ring 22 is
  • the outer ring 22 itself is implemented as a chain wheel or sprocket, i.e.
  • the present invention can also be utilized if the outer ring is for coupling with a transmission belt or the like, in which case the sprocket would be replaced by a pulley, or for coupling with -a drive shaft, in which case the sprocket would be replaced by a bevel gear.
  • tangential chain force can be considered as a superposition of a pure linear force acting on the outer ring 22 and being directed perpendicular to the rotation axis of the pedal axle 11, and a pure torque acting on the outer ring 22.
  • the spoke deformation can be considered as a combination of two
  • a deformation sensor sensing the deformation of any one single spoke will provide an output signal that varies as the spoke concerned travels around the rotation axis of the rotation axle 11.
  • the present invention aims to overcome these problems
  • the present invention aims to provide a system capable of operating with one sensor only
  • the present invention provides a ring-shaped torque-measuring device, to be mounted coaxially with the spider 28, and comprising an intermediate ring member and an inner ring member within the intermediate ring member.
  • the inner ring member is fixed to the splined inner ring.
  • the intermediate ring member is coupled to the inner ring member by coupling members that are radially stiff.
  • the intermediate ring member is coupled to the outer ring at a plurality of connection points via respective coupling members that are flexible.
  • figure 1 schematically shows a cross section of a pedal system in a bicycle
  • figure 2 schematically illustrates a chain wheel assembly
  • figure 3 schematically shows a torque measuring device according to the present invention
  • figure 4 schematically shows another embodiment of a torque measuring device according to the present invention.
  • FIG 3 schematically shows an embodiment of a torque measuring device 100 according. to the present invention.
  • the torque measuring device 100 comprises an intermediate ring member 140 and an inner ring member 120 arranged coaxially with respect to each other.
  • the torque measuring device 100 further comprises an inner coupling system 130 for
  • the inner coupling system 130 comprises a plurality of inner coupling members 131, 132, each implemented as radial spokes, each such spoke being solid such as to have relatively high radial stiffness.
  • the " inner ring member 120 is provided with inner
  • the inner attachment members 121 for firmly attaching the inner ring member 120 to the inner ring 21 of the spider 28; in this embodiment, the inner attachment members 121 are implemented as holes in the inner ring member 120, arranged on a common first circle, so that the inner ring member 120 can be fixed to the inner ring 21 by screws.
  • inner coupling members 131, 132 are individually provided with inner attachment members.
  • the torque measuring device 100 further comprises a plurality of. outer attachment members 110 for firm attachment to the outer ring 22 of the spider 28; in this embodiment, outer attachment members 110 are implemented as circular screw eyes, arranged on a common second circle coaxial with the first common circle and having a radius larger than the first common ' circle, so that each outer attachment member 110 can be fixed to the outer ring 22 by screws. It i's noted that instead of circular rings, the outer attachment members 110 may have another contour provided with a hole for accomodating an attachment screw.
  • the torque measuring device 100 further comprises an outer coupling system 150 for mechanically coupling the outer attachment members 110 to the intermediate ring member 140.
  • the outer coupling system 150 comprises a plurality of outer coupling members 151, each individual outer coupling member 151 extending between a corresponding outer attachment member 110 and a point of the intermediate ring member 140.
  • the outer coupling members 151 Several designs are possible for the outer coupling members 151, as will be described later. In any case, it is preferred that the outer coupling members 151 mutually have the same design.
  • the intermediate ring member 140, the outer attachment members 110 and the outer coupling members 151 form an integral whole, but it is even possible that the outer coupling members 151 are implemented as
  • outer attachment members 110 are radially aligned with the inner attachment members 121.
  • attachment points 26 for the outer attachment members 110 are shown in the outer ring 22 of figure 2.
  • the figure shows a preferred arrangement, where the number of attachment points 26 (and hence the number of attachment members 110) is equal to the number of holes 25 and wherein the attachment points 26 are always arranged equidistantly between two neighbouring holes 25.
  • all outer coupling members 151 are mutually equal, or at least have mutually identical stiffness properties, and are distributed evenly around the intermediate ring member 140.
  • all inner coupling members 131, 132 are mutually equal, or at least have mutually
  • the coupling members 131, 132, 151 are implemented as solid members. This has the important advantage that the torque measuring device 100 can be
  • the material of this plate- shaped body may be metal, for instance aluminium or steel or aluminium-on-steel.
  • the material of this plate-shaped body may also be a glass fibre composite material.
  • the material of this plate-shaped body was made from glass fibre composite material laminated with a copper layer, specifically intended as printed circuit board (PCB) , which has the advantage that an electronic circuit for processing measuring signals can be built on this plate, close to the sensor.
  • PCB printed circuit board
  • Each inner coupling member 131, 132 is implemented as a radial bar having its one end connected to the inner ring member 120 and having its opposite end connected to the intermediate ring member 140: this will provide radial
  • Coupling members 131 of first type are connected at opposite ends to the inner and intermediate rings via relatively thin body parts, which can flex relatively easily, so that such coupling members 131 can bend relatively easily in the tangential direction.
  • Coupling members 132 of second type are connected to the inner ring member 120 via a similar relatively thin body part, but have larger tangential
  • width dimension (width) and are connected to the intermediate ring member 140 over substantially their entire width.
  • FIG. 1 An embodiment shown is implemented in an L-shaped contour, having a substantially radial foot part 152 and a substantially tangential leg part 153 connected together.
  • the free end of the foot part 152 is connected to the intermediate ring member 140.
  • the free end of the leg part 153 is connected to a corresponding outer attachment member 110.
  • Such design will make it relatively easy to design the radial stiffness and the tangential stifness of the outer coupling members 151 more or less independently from each other, by selecting suitable length and thickness for the foot part 152 and the leg part 153, as should be clear to a person skilled in the art.
  • the inner ring 21 of the spider 28 will show hardly or no deformation; in any case, such deformation may be neglected. Therefore, in the following, the operation of the torque measuring device 100 will be described as seen in a coordinate system rotating with the inner attachment member 121, which means that the inner ring 21 with the inner
  • attachment member 121 are . considered to be stationary.
  • each outer attachment member 110 will describe a cyclic path with respect to the inner ring member 120, such path having a radial amplitude and a
  • the path amplitude is relatively small. Further, in radial direction, the stiffness of the outer coupling members 151 is very low as compared to the relatively high radial stiffness of the inner coupling members 131, 132, while also the intermediate ring member 140 has a radial dimension such as to be sufficiently stiff. Therefore, in radial direction, the intermediate ring member 140 may be considered to be stationary.
  • the stiffness of the individual outer coupling members 151 will be indicated as c T i, i being an index distinguishing the individual coupling members 151.
  • the momentary tangential displacement of the outer attachment members 110 with respect to the inner ring 21 will be
  • the intermediate ring member 140 is thus submitted to an overall tangential force F T that can be written as the
  • the intermediate ring member 140 is rotated with respect to the inner ring member 120 over a substantially constant angle of rotation proportional to the chain force (which is proportional to the torque exerted by the cyclist) , whereas in radial direction the intermediate ring member 140 is held substantially stationary with respect • to the inner ring member 120.
  • the design of the torque measuring device 100 is effectively averaging the deformations of the radial spokes 24 of the chain wheel assembly 20.
  • intermediate ring member 140 with respect to the inner ring member 120 will be substantially constant, i.e. does not depend on the rotational position of the system, it is possible to use a single sensor mounted at one single, suitably selected measuring location, between the intermediate ring member 140 and the inner ring member 120.
  • the design of such sensor and the design of the system can be adapted to each other, as will be explained in the following.
  • a force sensor for instance implemented as a separate tension element (for instance a tangential tension bar) connected between the intermediate ring member 140 and the inner ring member 120, and equipped with a strain gauge for meauring tension in this element.
  • k TS and hence k T is very high, so that the intermediate ring member 140 can be considered as being stationary in tangential direction.
  • the tangential stiffnesses k T i of the individual inner coupling members 131, 132 are preferably relatively low as compared to the outer coupling members 151 and can be neglected with respect to k TS .
  • the tangential displacement of the outer attachment members 110 is entirely with respect to the intermediate ring member 140, and the tangential stiffnesses c T i of the individual outer coupling members 151 should be selected to be high enough to induce sufficient force on the tension element while also being low enough to accommodate said displacements without leading to. too high forces on the intermediate ring member 140. Further, the elasticity and flexibility of the individual outer coupling members 151
  • coupling members 151 should be sufficient to accommodate said displacements .
  • the senor can be implemented as a strain gauge 160 mounted on an inner coupling member 132, as schematically illustrated, to measure deformation of such inner coupling member.
  • displacement sensor for instance implemented as a Hall sensor, to measure directly the displacement of the
  • the tangential stiffness of the outer coupling members 151 is designed to be higher than the tangential stiffness of the inner coupling members 131, 132, such as to result in
  • the displacement of the intermediate ring member 140 with respect to the inner ring 21 is equal to the average of the individual tangential displacements 5 T i of the outer attachment members 110 with respect to the inner ring 21, and the inner coupling members 131, 132 should be flexible enough to accommodate this displacement.
  • the displacement of the intermediate ring member 140 with respect to the inner ring 21 is equal to the average of the individual tangential displacements 5 T i of the outer attachment members 110 with respect to the inner ring 21, and the inner coupling members 131, 132 should be flexible enough to accommodate this displacement.
  • deformation of the inner coupling members 131, 132 should stay within the elastic region, more preferably the linear elastic region; the same applies to the outer coupling members 151.
  • Figure 4 schematically illustrates an example of such third embodiment.
  • the design may be largely identical to the design of figure 3, but in the example shown the design of the inner coupling members 131 (radial spokes) is somewhat
  • strain gauge 160 for measuring a deformation of a radial spoke has been replaced by a Hall sensor 260 mounted on the
  • a small elongate magnet member 261 has one end attached to the inner ring member 120 and radially crosses the gap between the inner ring member 120 and the intermediate ring member 140 such as to have its opposite end communicate with the Hall sensor 260.
  • the Hall sensor 260 may be mounted parallel to the plane of the intermediate ring member 140, so that the magnet member 261 overlaps the Hall sensor 260, as shown, but the Hall sensor 260 may also be mounted perpendicular to said plane, so that the magnet member 261 is located radially in front of the Hall sensor.
  • the magnet member 261 may be configured as a magnet, or may carry a magnet at its said opposite end. It should be clear that any tangential displacement between the inner ring member 120 and the intermediate ring member 140 will cause a relative
  • stiffnesses will have influence on the precise angle of rotation of the intermediate ring member 140 with respect to the inner ring member 120.
  • such rotation angle can be relatively small.
  • the rotation angle is preferably somewhat higher such as to correspond, at maximum torque, to a
  • Figure 3 also schematically shows a signal processing device 170, for instance implemented as a microprocessor, also mounted on the intermediate ring member 140 and receiving a signal from the sensor 160.
  • the processing device 170 is designed for wirelessly transmitting an output signal to a display 180 or control unit (not shown) mounted stationary to the bicycle frame.
  • the display signal may include the pedal torque. It is also possible to display the pedal frequency and/or the pedal power, for which it would be necessary to have a signal indicating the pedal revolution speed or pedal revolution time. These parameters can easily be obtained using for instance a reed relais, or a mercury switch, or a hall sensor, or an accelleration sensor.
  • the signal processing device 170 may calculate the pedal revolution time from a periodical change in the torque signal, which is caused by the natural periodic varying force of the cyclist on the pedals, which is related to the position of the pedals. By multiplying torque and revolution speed, the signal processing device 170 may calculate the power exerted by the cyclist.
  • the signal processing device 170 may
  • this power may be the momentaneous power, but in the case of a power measurement system on a spinning bike or racing bicycle, the signal may communicate an average power. It should be clear to a person skilled in the art that the present invention is not limited to the exemplary

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

La présente invention concerne un dispositif de mesure (100) destiné à mesurer le couple entre deux éléments annulaires (21, 22) agencés de manière coaxiale l'un par rapport à l'autre et reliés l'un à l'autre par des rayons (24), le dispositif comprenant : un ensemble de premiers éléments de fixation (121) permettant une fixation à l'un desdits éléments annulaires (21); un ensemble de seconds éléments de fixation (110) permettant une fixation à l'autre élément desdits éléments annulaires (22); un élément en forme d'anneau intermédiaire (140) agencé entre lesdits premiers éléments de fixation et lesdits seconds éléments de fixation; une pluralité de premiers éléments de couplage (130) pour coupler mécaniquement les premiers éléments de fixation au dit élément en forme d'anneau intermédiaire; une pluralité de seconds éléments de couplage (151) pour coupler mécaniquement les seconds éléments de fixation audit élément en forme d'anneau intermédiaire. Les premiers éléments de couplage présentent une rigidité radiale élevée par rapport aux seconds éléments de couplage ainsi qu'une rigidité tangentielle faible par rapport aux seconds éléments de couplage.
PCT/NL2010/000171 2009-12-16 2010-12-14 Dispositif de mesure pour mesurer une force de pédalage exercée par un cycliste WO2011074947A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1037563 2009-12-16
NL1037563A NL1037563C2 (en) 2009-12-16 2009-12-16 Measuring device for measuring a pedalling force exerted by a cyclist.

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Publication Number Publication Date
WO2011074947A1 true WO2011074947A1 (fr) 2011-06-23

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120675A1 (de) * 2011-12-02 2013-06-06 Pinion Gmbh Drehmomenterfassungsanordnung
WO2014145277A1 (fr) 2013-03-15 2014-09-18 Christmann H Aaron Appareil et procédé de mesure de couple rotatif
WO2015127931A1 (fr) * 2014-02-28 2015-09-03 Schaeffler Technologies AG & Co. KG Dispositif de mesure pour un dispositif de pédalier d'un vélo et procédé pour le fonctionnement d'un tel dispositif de mesure
WO2016190729A1 (fr) * 2015-05-22 2016-12-01 Idbike Sys B.V. Capteur de couple pour des véhicules à pédales et appareil
CN107290086A (zh) * 2016-04-12 2017-10-24 什拉姆有限责任公司 自行车功率计
WO2018222029A1 (fr) * 2017-06-02 2018-12-06 Idbike B.V. Dispositif de mesure de déplacement
US10279864B2 (en) 2016-04-12 2019-05-07 Sram, Llc Bicycle power meter
EP3514048A1 (fr) * 2018-01-19 2019-07-24 Sram, Llc. Compteur de puissance de bicyclette
DE102018101911A1 (de) 2018-01-29 2019-08-01 Pinion Gmbh Drehmomenterfassungsanordnung und Getriebeeinheit für ein mit Muskelkraft angetriebenes Fahrzeug
WO2020212659A1 (fr) * 2019-04-17 2020-10-22 Mavic S.A.S Capteur de mesure d'effort pour pédalier
DE102019123318A1 (de) * 2019-08-30 2021-03-04 Oechsler Ag Vorrichtung und Verfahren zum Messen eines Drehmoments an einem Kurbeltrieb eines Fahrrads
DE102021110719B3 (de) 2021-04-27 2022-10-20 Porsche Ebike Performance Gmbh Antriebsvorrichtung für ein Elektrofahrrad und Elektrofahrrad
DE102021110725A1 (de) 2021-04-27 2022-10-27 Porsche Ebike Performance Gmbh Antriebsvorrichtung für ein Elektrofahrrad und Elektrofahrrad
WO2023181531A1 (fr) * 2022-03-25 2023-09-28 日本電産コパル電子株式会社 Capteur de couple

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DE10304359A1 (de) * 2002-04-12 2003-11-06 Deutsch Zentr Luft & Raumfahrt Drehmomentsensor in der Form eines monolithischen Aufnahmeteils
EP1719991A1 (fr) * 2004-02-04 2006-11-08 Ono Sokki Co., Ltd. Dispositif de mesure de couple
GB2436149A (en) * 2006-03-15 2007-09-19 Transense Technologies Plc Torque measurement in flexible drive coupling plate

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
DE10304359A1 (de) * 2002-04-12 2003-11-06 Deutsch Zentr Luft & Raumfahrt Drehmomentsensor in der Form eines monolithischen Aufnahmeteils
EP1719991A1 (fr) * 2004-02-04 2006-11-08 Ono Sokki Co., Ltd. Dispositif de mesure de couple
GB2436149A (en) * 2006-03-15 2007-09-19 Transense Technologies Plc Torque measurement in flexible drive coupling plate

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120675A1 (de) * 2011-12-02 2013-06-06 Pinion Gmbh Drehmomenterfassungsanordnung
DE102011120675B4 (de) 2011-12-02 2023-09-28 Pinion Gmbh Getriebeeinheit
EP2969591A4 (fr) * 2013-03-15 2016-06-08 H Aaron Christmann Appareil et procédé de mesure de couple rotatif
WO2014145277A1 (fr) 2013-03-15 2014-09-18 Christmann H Aaron Appareil et procédé de mesure de couple rotatif
JP2016512888A (ja) * 2013-03-15 2016-05-09 クリストマン,エイチ.アーロン 回転可能なトルク測定装置と方法
WO2015127931A1 (fr) * 2014-02-28 2015-09-03 Schaeffler Technologies AG & Co. KG Dispositif de mesure pour un dispositif de pédalier d'un vélo et procédé pour le fonctionnement d'un tel dispositif de mesure
WO2016190729A1 (fr) * 2015-05-22 2016-12-01 Idbike Sys B.V. Capteur de couple pour des véhicules à pédales et appareil
CN107290086A (zh) * 2016-04-12 2017-10-24 什拉姆有限责任公司 自行车功率计
EP3239679A1 (fr) * 2016-04-12 2017-11-01 Sram, Llc. Compteur de puissance de bicyclette
EP3677887A1 (fr) * 2016-04-12 2020-07-08 Sram, Llc. Compteur de puissance de bicyclette
US10184849B2 (en) 2016-04-12 2019-01-22 Sram, Llc Bicycle power meter
US10279864B2 (en) 2016-04-12 2019-05-07 Sram, Llc Bicycle power meter
CN111982370B (zh) * 2016-04-12 2022-04-12 什拉姆有限责任公司 用于自行车的制动转子组件
CN111982370A (zh) * 2016-04-12 2020-11-24 什拉姆有限责任公司 用于自行车的制动转子组件
CN107290086B (zh) * 2016-04-12 2020-09-11 什拉姆有限责任公司 自行车功率计
US10766565B2 (en) 2016-04-12 2020-09-08 Sram, Llc Bicycle power meter
TWI685647B (zh) * 2016-04-12 2020-02-21 美商速聯有限責任公司 腳踏車功率計
US10677671B2 (en) 2016-04-12 2020-06-09 Sram, Llc Bicycle power meter
WO2018222029A1 (fr) * 2017-06-02 2018-12-06 Idbike B.V. Dispositif de mesure de déplacement
NL1042415B1 (en) * 2017-06-02 2018-12-11 Idbike B V Displacement measuring device
CN110799799A (zh) * 2017-06-02 2020-02-14 爱德拜克私人有限公司 位移测量装置
CN110799799B (zh) * 2017-06-02 2022-04-29 爱德拜克私人有限公司 位移测量装置
EP3514048A1 (fr) * 2018-01-19 2019-07-24 Sram, Llc. Compteur de puissance de bicyclette
WO2019145377A1 (fr) 2018-01-29 2019-08-01 Pinion Gmbh Système de détection de couple pour un véhicule entraîné par la force musculaire
DE102018101911A1 (de) 2018-01-29 2019-08-01 Pinion Gmbh Drehmomenterfassungsanordnung und Getriebeeinheit für ein mit Muskelkraft angetriebenes Fahrzeug
FR3095185A1 (fr) * 2019-04-17 2020-10-23 Mavic S.A.S. Capteur de mesure d ’effort pour pédalier
WO2020212659A1 (fr) * 2019-04-17 2020-10-22 Mavic S.A.S Capteur de mesure d'effort pour pédalier
DE102019123318A1 (de) * 2019-08-30 2021-03-04 Oechsler Ag Vorrichtung und Verfahren zum Messen eines Drehmoments an einem Kurbeltrieb eines Fahrrads
DE102021110719B3 (de) 2021-04-27 2022-10-20 Porsche Ebike Performance Gmbh Antriebsvorrichtung für ein Elektrofahrrad und Elektrofahrrad
DE102021110725A1 (de) 2021-04-27 2022-10-27 Porsche Ebike Performance Gmbh Antriebsvorrichtung für ein Elektrofahrrad und Elektrofahrrad
DE102021110725B4 (de) 2021-04-27 2022-12-22 Porsche Ebike Performance Gmbh Antriebsvorrichtung für ein Elektrofahrrad und Elektrofahrrad
WO2023181531A1 (fr) * 2022-03-25 2023-09-28 日本電産コパル電子株式会社 Capteur de couple

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