WO2019228723A1 - Transmission de pédalier de construction planétaire pour une bicyclette ou un vélo électrique - Google Patents

Transmission de pédalier de construction planétaire pour une bicyclette ou un vélo électrique Download PDF

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Publication number
WO2019228723A1
WO2019228723A1 PCT/EP2019/060846 EP2019060846W WO2019228723A1 WO 2019228723 A1 WO2019228723 A1 WO 2019228723A1 EP 2019060846 W EP2019060846 W EP 2019060846W WO 2019228723 A1 WO2019228723 A1 WO 2019228723A1
Authority
WO
WIPO (PCT)
Prior art keywords
planetary gear
gear set
planetary
planet carrier
brakes
Prior art date
Application number
PCT/EP2019/060846
Other languages
German (de)
English (en)
Inventor
Peter Ziemer
Christoph Margraf
Thomas Riedisser
Kim Führer
Hagen Doepfert
Ulrich Doerr
Original Assignee
Zf Friedrichshafen Ag
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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2019228723A1 publication Critical patent/WO2019228723A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/18—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears with a plurality of planetary gear units
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2071—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes using three freewheel mechanism
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2079—Transmissions using gears with orbital motion using freewheel type mechanisms, e.g. freewheel clutches
    • F16H2200/2087—Transmissions using gears with orbital motion using freewheel type mechanisms, e.g. freewheel clutches three freewheel mechanisms

Definitions

  • the invention relates to a bottom bracket gear in planetary design for a bicycle or pedelec. Moreover, the invention relates to a bicycle or a pedelec with the bottom bracket.
  • Pedelecs differ from bicycles in that an electric machine is provided to assist the driver.
  • Pedelecs have a hub motor built into the front or rear wheel in some applications. Hub motors in the front wheel have an unfavorable effect on the driving behavior due to the high weight.
  • hub motors arranged in the rear wheel have hitherto been used with maintenance-unfriendly derailleurs and also have an unfavorable effect on the driving behavior due to the high weight.
  • pedelecs have already been developed in which a gear in countershaft design and an electric motor is arranged in a bottom bracket.
  • a disadvantage of the known bottom bracket gears in countershaft design is that they have a low power density and beyond due to the fact that only rolling power occurs, have a poor efficiency.
  • the present invention has for its object to provide a bottom bracket gear or a bicycle or a pedelec with the bottom bracket gear, which have a high power density and high efficiency at a high number of gears.
  • a transmission input shaft as a drive
  • a pedal crankshaft or the like As a pedal crankshaft or the like, and a transmission output shaft proposed as an output.
  • the bottom bracket transmission includes three planetary gear sets, three one-way clutches and three brakes to realize eight gears, each planetary gear each having a brake and each one-way clutch are assigned.
  • a sun gear of the first planetary gear set via the first brake and a sun gear of the second planetary gear set via the second brake and a ring gear of the third planetary gear set via the third brake wherein a planet carrier of the first A planetary gear set and a planet carrier of the second planetary gear set and a planet carrier of the third planetary gear set zen each form the input at the planetary rads decisiv- and wherein a ring gear of the first planetary gear set and a ring gear of the second planetary gear set and a sun gear of the third planetary gear each form the output at the planetary gear sets ,
  • a wheelset assembly for the bottom bracket gear is realized, realized due to the interconnection of the wheelsets a particularly high power density with the highest possible efficiency, so that so a high system integration is realized, regardless of the axial order in which the wheelsets are arranged.
  • the proposed bottom bracket gear thus comprises three axially successively connected or coupled planetary gear sets, which are geared depending geared or translated into fast, so that at least eight gears three freewheels and three externally accessible brakes are switched, with a particularly high efficiency in the bottom bracket is realized.
  • the output of one can be connected to the input of the other planetary gear set via an intermediate shaft or the like in the proposed bottom bracket.
  • waves or wave-like elements are used to connect the various wheelset elements of the provided planetary gear sets.
  • shaft is not to be understood exclusively as a cylindrical rotatably mounted machine element for transmitting torques, but rather are also to be understood as meaning general connecting elements which connect the individual wheelset elements to one another.
  • the bottom bracket transmission In order to enable not only the manual drive by the driver but also an electric assisting power, it can be provided in the bottom bracket transmission according to the invention that at least one electric machine or the like is provided.
  • the electric machine can be connected, for example, to the transmission input shaft, the transmission output shaft and / or to the intermediate shaft directly or else via one or more gear stages, chains, toothed belts or the like.
  • a switching element such as an overrunning clutch or the like may optionally be used.
  • the bottom bracket gear can be realized with a freewheel between the bottom bracket crankshaft and the transmission input. This results in the advantage that a connected electric machine can continue to rotate without the pedals of the bottom bracket crankshaft rotating.
  • the brakes provided can, as already described, also be designed as switchable freewheels or freewheel brakes, which has the advantage that a faster and easier skipping of individual gears during shifting is made possible.
  • the planetary gear sets are equipped in particular with amounts lower or higher stationary gear ratio, for example, with stages planets.
  • amounts lower or higher stationary gear ratio for example, with stages planets.
  • Another aspect of the present invention is also to provide a bicycle or pedelec or the like with the prescribed bottom bracket transmission, with the advantages already described and other advantages.
  • Figure 1 is a schematic view of a first embodiment of an inventive Tretlagergetriebes with three axially successively connected planetary gear sets;
  • Figure 2 is a schematic view of a second embodiment of the invention Tretlagergetriebes with axially changed order of the planetary gear sets; and 3 shows a circuit diagram for the first and second embodiment of the bottom bracket.
  • FIGS. 1 and 2 show different embodiments of a bottom bracket transmission according to the invention with the respective stand ratios iO of the individual wheelsets, wherein the possible gears G1 to G8 with the associated gear ratio i and the stepping or spreading f are indicated in the associated shift pattern according to FIG ,
  • the individual states of the brakes B1, B2, B3 and the one-way clutches F1, F2, F3 are indicated, wherein in the brakes B1, B2, B3, a point indicates the closed state and a cross the opened or disconnected state while in the one-way clutches F1, F2, F3, a dot indicates the lock direction state and a dash indicates the over-drive state.
  • the overrunning mode or overrunning drive state of a freewheel means that the freewheel does not lock.
  • the freewheel can be in an overrunning drive, if z. B. turns one of the connected to the freewheel elements so fast that the freewheel can not lock.
  • the lock-up state when freewheeling means that the freewheel locks.
  • the bottom bracket gear in planetary design for a bicycle, a pedelec or the like can be used.
  • the bottom bracket gear includes a transmission input shaft 1 as a drive, which is designed in the figures 1 and 2 as a pedal crankshaft, and a transmission output shaft 2 as an output, which z. B. can be designed as a chain or toothed belt.
  • the bottom bracket transmission comprises three planetary gear sets RS1, RS2, RS3, wherein a first planetary gearset RS1 and a second planetary gearset RS2 and a third planetary gearset RS3 are exemplified as a so-called minus planetary gear set.
  • At least three one-way clutches F1, F2, F3 and three brakes or freewheel brakes B1, B2, B3 quasi as switching elements for realizing at least 8 gears G1, G2, G3, G4, G5, G6, G7, G8 are provided. Due to the preferred coaxial arrangement of the planetary gear sets RS1, RS2, RS3 of the bottom bracket gear relative to the pedal crankshaft results in space advantages.
  • each planetary gear set RS1, RS2, RS3 are each assigned a brake B1, B2, B3 and one overrunning clutch F1, F2, F3, wherein a sun gear 4 of the first planetary gearset RS1 via the first brake B1 on the housing 3 and the housing side can be fixed and a sun gear 7 of the second planetary gearset RS2 via the second brake B2 can be fixed and a ring gear 12 of the third planetary gear set RS3 can be fixed via the third brake B3.
  • a planet carrier 5 of the first planetary gearset RS1 and a planetary gear carrier 8 of the second planetary gear set RS2 and a planet carrier 11 of the third planetary gearset RS3 each form the input to the planetary gear sets RS1, RS2, RS3, wherein a ring gear 6 of the first planetary gear set RS1 and a ring gear 9 of the second planetary gearset RS2 and a sun gear 10 of the third planetary gearset RS3 each form the output in the planetary gear sets RS1, RS2, RS3.
  • the sun gear 4 with the ring gear 6 or the sun gear 4 with the planet carrier 5 or the ring gear 6 with the planet carrier 5 of the first planetary gearset RS1 are connectable.
  • the sun gear 7 with the ring gear 9 or the sun gear 7 with the planet carrier 8 or the ring gear 9 with the planet 8 of the second planetary RS2 connectable.
  • the sun gear 10 with the ring gear 12 or the sun gear 10 with the planet 1 1 or the ring gear 12 with the planet 1 1 of the third planetary gearset RS3 connectable.
  • a first embodiment of the bottom bracket transmission is shown in Figure 1, in the axial order of the third planetary gear set RS3 and the second planetary gear set RS2 and the first planetary gear set RS1 are provided. Furthermore, the state translation i 0 3 of the third planetary gearset RS3 with -1, 62, the stationary ratio i 0 2 of the second planetary gear set RS2 -1, 62, and the stationary ratio i 0i of the first planetary gearset RS1 with -3.66 in Figure 1 specified.
  • the transmission input shaft 1 is connected to the planet carrier 1 1 as the input of the third planetary gearset RS3.
  • the sun gear 10 as output of the third planetary gear set RS3 is connected via an intermediate shaft ZW to the planet carrier 5 as the input of the first planetary gear set RS1, wherein the ring gear 6 is connected as an output of the first planetary gear set RS1 with the planet carrier 8 as the input of the second planetary gearset RS2.
  • the ring gear 9 as the output of the second planetary gear set RS2 is connected to the transmission output shaft 2, wherein the sun gear 4 of the first planetary gearset RS1 via the first one-way clutch F1 with the ring gear 6 of the first planetary gearset RS1 is connectable, wherein the ring gear 9 of the second planetary gear set RS2 via the second one-way clutch F2 is connectable to the planet carrier 8 of the second planetary gear set RS2, and wherein the planet carrier 1 1 of the third th planetary gearset RS3 via the third one-way clutch F3 with the ring gear 12 of the third planetary gearset RS3 is connectable.
  • a second embodiment of the bottom bracket transmission is shown in Figure 2, in the axial order of the second planetary gear set RS2 and the first planetary gear set RS1 and the third planetary gear set RS3 are provided. Furthermore, the state translation i 0 2 of the second planetary gearset RS2 with -1, 62, the state translation i 0i of the first planetary gearset RS1 with -3.66 and the stationary ratio i 03 of the third planetary gearset RS3 with -1, 62 in FIG 2 indicated.
  • the transmission input shaft 1 is connected to the planet carrier 5 as the input of the first planetary gear set RS1, that the ring gear 6 is connected as output of the first planetary gear set RS1 with the planet carrier 8 as the input of the second planetary gear set RS2 that the ring gear connected as the output of the second planetary gear set RS2 via the intermediate shaft ZW with the planet carrier 1 1 as the input of the third planetary gear set RS3 that the sun gear 10 is connected as the output of the third planetary gear set RS3 to the transmission output shaft 2, that the sun gear 4 of the first planetary gear set RS1 can be connected via the first one-way clutch F1 with the ring gear 6 of the first planetary gearset RS1, that the sun gear 7 of the second planetary gearset RS2 via the second overrunning clutch F2 with the ring gear 9 of the second planetary gear set RS2 is connectable and that the sun gear 10 of the third planetary gearset RS3 on the third free clutch F3 with the planet carrier 1 1 of
  • the electric machine EM which can be operated as a motor or generator, is connected to the intermediate shaft ZW in order to be able to apply a support power for the driver.
  • a hybridized bottom bracket transmission is realized by way of example by the second embodiment, wherein the electric machine EM, for example, may be arranged axially parallel to the transmission input shaft 1, preferably in or on the down tube of the bicycle or pedelec.
  • the electric machine GM In a connection of the electric machine EM to the transmission input shaft 1, the electric machine GM can be operated with the respective gear ratio, whereby the electric machine EM can always be operated in the efficiency optimized range.
  • the electric machine EM In a connection of the electric machine EM to the transmission output shaft 2, the electric machine EM is operated in each case with the chain transmission, whereby a load circuit could be realized if during a circuit, the load exclusively from the electric machine EM would be applied and the transmission is in a no-load condition.
  • FIG. 3 shows a circuit diagram for the first embodiment variant according to FIG. 1 and for the second embodiment variant according to FIG. From the circuit diagram it follows that for switching a first gear G1, the first, second and third brakes B1, B2, B3 are opened or switched off, wherein the first, second and third overrunning clutch F1, F2, F3 are in the reverse direction state. For switching a second speed G2, the first brake B1 is closed and the second and third brakes B2, B3 are opened and turned off, wherein the first one-way clutch F1 is in the overdrive drive state and the second and third one-way clutches F2, F3 are in the lock-up state.
  • the second brake B2 For switching a third speed G3, the second brake B2 is closed, and the first and third brakes B1, B3 are opened and turned off, the second one-way clutch F2 being in the over-drive state, and the first and third one-way clutches F1, F3 being in the lock-up state.
  • the first and second brakes B1, B2 are closed, and the third brake B3 is opened, the first and second one-way clutches F1, F2 are in the overdrive state and the third one-way clutch F3 is in the lock-up state.
  • the third brake B3 is closed, and the first and second brakes B1, B2 are opened and turned off, with the first and second one-way clutches F1, F2 in the lock-up state and the third one-way clutch F3 in the over-drive state.
  • the first and third brakes B1, B3 are closed and the second brake B2 is opened and turned off, with the first and third one-way clutches F1, F3 in the overdrive state and the second one-way clutch F2 in the reverse direction state.
  • the first brake B1 is opened and the second and third brakes B2, B3 are closed, with the first one-way clutch F1 in the lock-up state and the second and third one-way clutches F2, F3 in the over-drive state.
  • the first, second and third brakes B1, B2, B3 are closed, wherein the first, second and third one-way clutches F1, F2, F3 are in the overdrive drive state.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne une transmission de pédalier de construction planétaire pour une bicyclette ou un vélo électrique comprenant un arbre d'entrée de transmission (1) comme entraînement et un arbre de sortie de transmission (2) comme conducteur, comprenant deux trains planétaires (RS1, RS2, RS3), trois accouplements à roue libre (F1, F2, F3) et trois freins (B1, B2, B3) pour la réalisation de huit rapports de vitesse (G1, G2, G3, G4, G5, G6, G7, G8), un frein (B1, B2, B3) et un accouplement à roue libre (F1, F2, F3) étant associés respectivement à chaque train planétaire (RS1, RS2, RS3), une roue solaire (4) du premier train planétaire (RS1) pouvant être fixé au moyen du premier frein (B1) et une roue solaire (7) du deuxième train planétaire (RS2) pouvant être fixé au moyen du deuxième frein (B2) ainsi qu'une roue creuse (12) du troisième train planétaire (RS3) pouvant être fixé au moyen du troisième frein (B3), un support planétaire (5) du premier train planétaire (RS1) et un support planétaire (8) du deuxième train planétaire (RS2) ainsi qu'un support planétaire (11) du troisième train planétaire (RS3) forment respectivement l'entrée du train planétaire (RS1, RS2, RS3) et une roue creuse (6) du premier train planétaire (RS1) et une roue creuse (9) du deuxième train planétaire (RS2) ainsi qu'une roue solaire (10) du troisième train planétaire (RS3) forment respectivement la sortie du train planétaire (RS1, RS2, RS3). L'invention concerne en outre une bicyclette ou un vélo électrique comprenant la transmission de pédalier.
PCT/EP2019/060846 2018-05-28 2019-04-29 Transmission de pédalier de construction planétaire pour une bicyclette ou un vélo électrique WO2019228723A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018208382.7 2018-05-28
DE102018208382.7A DE102018208382A1 (de) 2018-05-28 2018-05-28 Tretlagergetriebe in Planetenbauweise für ein Fahrrad oder Pedelec

Publications (1)

Publication Number Publication Date
WO2019228723A1 true WO2019228723A1 (fr) 2019-12-05

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ID=66448514

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Application Number Title Priority Date Filing Date
PCT/EP2019/060846 WO2019228723A1 (fr) 2018-05-28 2019-04-29 Transmission de pédalier de construction planétaire pour une bicyclette ou un vélo électrique

Country Status (3)

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DE (1) DE102018208382A1 (fr)
TW (1) TWI822784B (fr)
WO (1) WO2019228723A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115325117A (zh) * 2022-10-17 2022-11-11 北京航空航天大学 大速比、多挡位自动变速器
NO20211028A1 (fr) * 2021-08-27 2023-02-28 Ca Tech Systems As

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018208583A1 (de) * 2018-05-30 2019-12-05 Robert Bosch Gmbh Lastschaltbares Mehrganggetriebe
DE102021208977A1 (de) 2021-08-17 2022-06-23 Zf Friedrichshafen Ag Schaltverfahren für ein pedalbetriebenes Fahrzeug
DE102021204634B3 (de) 2021-05-07 2022-08-18 Zf Friedrichshafen Ag Getriebe für ein Fahrrad und Fahrrad
DE102021208703B3 (de) * 2021-08-10 2022-08-25 Zf Friedrichshafen Ag Antriebsanordnung für ein Fahrrad und Fahrrad
DE102021212513B4 (de) 2021-08-13 2023-03-23 Zf Friedrichshafen Ag Planetengetriebe sowie Fahrrad
DE102021209258A1 (de) 2021-08-24 2023-03-02 Zf Friedrichshafen Ag Getriebe für ein Fahrrad und Fahrrad
DE102021209469B4 (de) 2021-08-30 2023-03-23 Zf Friedrichshafen Ag Verfahren zum Betreiben eines Fahrradantriebs sowie Fahrradantrieb und Fahrrad
DE102021213505B3 (de) 2021-11-30 2023-01-19 Zf Friedrichshafen Ag Fahrradantrieb und Fahrrad
DE102022203240B3 (de) * 2022-04-01 2023-05-25 Zf Friedrichshafen Ag Tretlagergetriebe in Planetenbauweise für ein Fahrrad oder ein Pedelec
DE102022203241B3 (de) * 2022-04-01 2023-05-25 Zf Friedrichshafen Ag Tretlagergetriebe in Planetenbauweise für ein Fahrrad oder ein Pedelec
DE102022129784A1 (de) * 2022-11-10 2024-05-16 Revolute GmbH Getriebeeinheit für ein Fahrzeug zur Aufschaltung von zwei Leistungsquellen auf ein Abtriebselement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110177911A1 (en) * 2010-01-20 2011-07-21 Alexander Serkh Planetary gear mechanism for a bicycle
TW201542418A (zh) * 2014-05-15 2015-11-16 Univ Nat Yunlin Sci & Tech 自行車八速內變速器
DE102016225142A1 (de) * 2016-12-15 2018-06-21 Zf Friedrichshafen Ag Getriebe für ein Fahrrad

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745419A1 (de) * 1996-10-16 1998-04-23 Schievelbusch Ulrich Univ Prof Mehrgang-Getriebenabe
GB0012873D0 (en) * 2000-05-27 2000-07-19 Sturmey Archer Ltd A multi speed hub gear
CN102269056B (zh) * 2006-06-26 2013-10-23 福博科技术公司 无级变速器
KR101235487B1 (ko) * 2009-05-26 2013-02-20 변동환 다단기어 변속장치
US8439792B2 (en) * 2010-01-20 2013-05-14 The Gates Corporation Planetary gear mechanism for a bicycle
US8794651B2 (en) * 2010-04-06 2014-08-05 The Gates Corporation Bicycle planetary gear transmission arrangement
US8444526B1 (en) * 2012-04-05 2013-05-21 The Gates Corporation Multi-ratio planetary gear transmission
CN205768647U (zh) * 2016-05-25 2016-12-07 广州市新域动力技术有限公司 一种干式双盘星型自动离合器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110177911A1 (en) * 2010-01-20 2011-07-21 Alexander Serkh Planetary gear mechanism for a bicycle
TW201542418A (zh) * 2014-05-15 2015-11-16 Univ Nat Yunlin Sci & Tech 自行車八速內變速器
DE102016225142A1 (de) * 2016-12-15 2018-06-21 Zf Friedrichshafen Ag Getriebe für ein Fahrrad
WO2018108490A1 (fr) * 2016-12-15 2018-06-21 Zf Friedrichshafen Ag Transmission pour bicyclette

Cited By (4)

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NO347518B1 (en) * 2021-08-27 2023-12-11 Ca Tech Systems As Multiple multi-speed gear systems and gear cartridges with different gear ranges and method for manufacturing such
CN115325117A (zh) * 2022-10-17 2022-11-11 北京航空航天大学 大速比、多挡位自动变速器
CN115325117B (zh) * 2022-10-17 2023-02-10 北京航空航天大学 大速比、多挡位自动变速器

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