EP4555231A1 - Planeten-schaltgetriebe - Google Patents
Planeten-schaltgetriebeInfo
- Publication number
- EP4555231A1 EP4555231A1 EP23741631.8A EP23741631A EP4555231A1 EP 4555231 A1 EP4555231 A1 EP 4555231A1 EP 23741631 A EP23741631 A EP 23741631A EP 4555231 A1 EP4555231 A1 EP 4555231A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gearbox
- gear
- planetary
- clutches
- output
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
- F16H63/18—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
-
- 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
- B62M11/16—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 ground-wheel hub
-
- 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
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
- F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
-
- 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
-
- 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
- F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. a stepped orbital gear or Ravigneaux
-
- 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
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three 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
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine 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
- F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one 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
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two 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
- F16H2200/2041—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with four 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
- F16H2200/2048—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with seven 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
- F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing
Definitions
- the invention relates to a planetary gearbox, which is mounted on a central axis, has a drive-side hollow shaft and an output-side hub sleeve, between which a planetary gear is arranged coaxially, which consists of a sun gear and planet gears connected to one another via a planet carrier, as well as a ring gear, and each can be switched to either a block circulation or a step-up or step-down mode by means of clutches with alternating switching of the input and output.
- the planetary gearbox is intended in particular for single- or multi-track, pedal-driven vehicles, being mounted on a central axle and having a hollow shaft on the drive side and a hub sleeve on the output side, between which a multi-stage gearbox is arranged.
- Such a transmission is known as a partial transmission of a nine-speed transmission from WO 2019 192 634 A1, as shown in Fig. 3.
- the second gear is a planetary gear with a gear ratio of 91% consisting of a ring gear, a multiple planet with different numbers of teeth and a sun gear, which meshes with the smaller of the two planets.
- the sun gear is activated using a bidirectional clutch turned set and released.
- a bidirectional clutch is provided because the reaction torque is reversed when changing input and output.
- the translation into slow speed is achieved by driving the ring gear and the output takes place via the web.
- Direct gear is achieved, for example, by closing the two ring gear clutches, which are connected to their side walls in a rotationally and axially fixed manner.
- the sun gear is released by opening the sun gear clutch.
- the translation into high speed is achieved by driving the web and the output via the ring gear.
- Three axial clutches are used to shift the first gearbox and five
- a drive train is known from WO 2019 086 064 A1, the first gearbox of which is a bottom bracket gearbox and the second gearbox of which is the downstream gearbox, which provides three gears and is housed in the rear wheel hub.
- this second gearbox, the downstream gearbox consists of two identical planetary gearboxes arranged mirrored to one another, each consisting of a ring gear, a sun gear and two-stage planets, which are coupled via webs connected in a rotationally fixed manner.
- a further object of the present invention is to disclose advantageous arrangements of the novel transmission with different primary transmissions.
- the solution according to independent claim 1 is that the planetary gear with permanent axis fixation of its single sun gear with only four of the clutches, which are arranged symmetrically to this sun gear, when they alternately switch the input and output either into a slow or a fast one or a direct mode is switched.
- the four clutches of the second gear with their control means and the two associated driver and driver sleeves are designed symmetrically to the planetary gear and are therefore inexpensive to manufacture as repeat parts.
- the symmetry is also present for the compression springs of the couplings.
- the two springs of the planet carrier clutches are advantageously supported on the sun gear fixed to the axle, since the movable part of the web clutches K60 and K80 are now located in the web.
- Another advantage is that the springs are now designed independently of each other, meaning that only the clutch stroke of one clutch, rather than the two clutches, has to be carried out by the springs.
- FIGS. 1 and 2 the reference numbers of the components being used analogously to their function according to those in FIG. 3, which is taken from the prior art WO 2019 192 634 A1.
- a hub gear shown in Figure 1 comprises a hub sleeve 1, which is mounted by means of a roller bearing on a driver 4a and another on an axis 6a.
- a drive pinion 2 for a belt or chain drive, which is non-rotatably but detachably connected to it.
- Another roller bearing supports the driver 4a on the axis 6a.
- the driver 4a is alternately connected to a ring gear HR or a planet carrier 8 by clutches K50 and K60.
- Output-side couplings K80, K90 alternately connect a web 8 or the ring gear HR with a driver sleeve 4d and thereby with the hub sleeve 1.
- Fig. 2 shows the arrangement of the new planetary gear NSG with an input or primary gear EG in the same hub. It includes a hub sleeve 1, which is mounted by means of a rolling bearing on the driver 4a and another rolling bearing on the axis 6a. On the driver 4a there is a drive pinion 2 for a belt or chain drive, which is connected to it in a rotationally fixed but detachable manner.
- the driver 4a is connected to the web of a three-stage input transmission EG, which is to be controlled by three clutches K20, K30, K40.
- the output-side ring gear HR is connected to a drive sleeve 4b, which controls a three-stage downstream transmission NSG via two clutches K50, K60.
- these are directly or indirectly connected to one of the couplings K20, K30, K40, K50, K60, K80, K90, and on the other hand, they engage through axially leading elongated holes in the axis 6a in the grooves 24, 34, 44, 54, 64, 84, 94 a.
- the grooves 24, 34, 44, 54, 64, 84, 94 are designed so that the intended movements of the shift fingers for shifting the clutches K20, K30, K40, K50, K60, K80, K90 for adjusting the individual gears are then carried out , when the shift drum 6b is rotated into one of the nine gear positions by selected shift fingers opening the associated clutches K20, K30, K40, K50, K60, K80, K90 against a closing force, in particular a spring.
- the newly designed downstream transmission NSG includes a drive sleeve 4b with internal and external teeth and two or three elongated holes 4c offset by 180° or 120° for each clutch K50, K60, K80, K90.
- An abortion sleeve 4d has a similar structure with teeth and elongated holes.
- Table 2 shows a configuration for WO 2019 086 064 A1, also for a nine-speed drive train, with the input gear shifted to the bottom bracket.
- Table 3 shows a further configuration for WO 2019 086 064 A1 for a twelve-speed drive train, whereby the four-speed bottom bracket gearbox only translates into high speed.
- Table 4 shows a further configuration for WO 2019 086 064 A1 for a fifteen-speed drive train, whereby the five-speed bottom bracket transmission only translates into slow speed in one gear with only about 13.7% and thus only insignificantly increases the tensile forces on the traction device compared to the direct gear elevated.
- the nine-speed hub gear is preferably switched exclusively with axial clutches.
- a clutch is formed by two opposing disks which are to be actuated by means of the intermediate links described and have axially acting locking teeth which act in one direction and are applied to a circular ring perpendicular to the axis of rotation.
- a clutch that triggers a block rotation is called a "block lock”, which prevents the sun gear from rotating when driven by the planet carrier, is called a “track lock” and which prevents a sun gear from running back when driven by the ring gear, called a “backstop”.
- Co-rotation then means the same direction of rotation as the driving belt or chain wheel. If torque is to be transmitted with the same direction of rotation, the term “driver” is used.
- the clutches K50, K60, K80, K90 are drivers, the clutches K30 and K40 are backstops and the clutch K20 is a block lock.
- the coupling parts are numbered in increments of ten, each starting with 20, in the order in which they follow one another on axis 6a from the drive side.
- the input gear EG corresponds to that in FIG. 3, which is part of the prior art.
- the clutch K20 switches the block circulation of the input gear EG by connecting or releasing the sun gear with the driver 4a and thus the planet carrier in a rotationally fixed manner.
- the clutch K20 shifts gears 1, 4, 7.
- the block lock engages with the counterpart, which is firmly connected to the sun, and prevents the sun gear from overtaking the planet carrier.
- the other components are a closing spring, which is supported in the driver, and a sliding ring with a switching finger which is controlled by the associated groove 24.
- the clutch K30 is a tracking lock and switches the second gear of the input gear EG by fixing the smaller sun gear to the axle.
- the K30 clutch shifts gears 2, 5 and 8 of the overall transmission.
- the K40 clutch is a tracking lock and switches the third gear of the input gear EG by fixing the larger sun gear to the axle. It shifts gears 3, 6 and 9 of the overall transmission.
- the sun gear is designed as a ring with internal teeth in which the coupling part designed as a follower lock is guided in a rotationally fixed but axially displaceable manner.
- the counterpart has internal teeth that connect it to the axis 6a in a rotationally fixed manner. Retaining rings prevent axial movement.
- a sliding ring with a switching finger is controlled by the groove 44.
- the closing spring is supported on a locking ring embedded in the axis 6a.
- the clutches K50 and K90 are closed, with the drive being continuously connected to the driver sleeve 4d.
- the transmission runs at idle.
- the couplings K60 and K90 are closed.
- the drive is connected to the planet carrier 8 and is output from the planet gear PR to the hub sleeve 1 via the ring gear HR with the driver sleeve 4d.
- the translation is 0.523 to fast.
- FIGS. 4 and 5 Further exemplary embodiments are shown in FIGS. 4 and 5. The same components have the same reference numbers.
- the downstream transmission NSG shown in FIGS. 4 and 5 has the following changes and differences.
- two sliding rings are omitted, two shift fingers are omitted and two grooves in the shift drum are omitted.
- Two grooves can be omitted because the couplings of the coupling pairs K50/K60 and K80/K90 move synchronously. For example, when clutch K50 opens, clutch K60 closes and vice versa. This results in parallel pairs of control grooves.
- a link here is understood to be an annular component which has an annular contact surface on the inside and a circumferential groove or holes on the outside into which the switching fingers of the movable part of the outer clutches such as K50 or K90 engage.
- seven clutches can be provided for a nine-speed hub, with only five sliding rings being required as actuators.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022117401.8A DE102022117401A1 (de) | 2022-07-12 | 2022-07-12 | Planeten-Schaltgetriebe |
| PCT/EP2023/069089 WO2024013121A1 (de) | 2022-07-12 | 2023-07-10 | Planeten-schaltgetriebe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4555231A1 true EP4555231A1 (de) | 2025-05-21 |
Family
ID=87312089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23741631.8A Withdrawn EP4555231A1 (de) | 2022-07-12 | 2023-07-10 | Planeten-schaltgetriebe |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4555231A1 (de) |
| DE (1) | DE102022117401A1 (de) |
| WO (1) | WO2024013121A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60101994T3 (de) * | 2001-03-05 | 2009-01-08 | Shimano Inc., Sakai | Fahrradgetriebe |
| US7011596B2 (en) * | 2003-03-13 | 2006-03-14 | General Motors Corporation | Transfer case |
| NO334279B1 (no) * | 2011-03-10 | 2014-01-27 | Ca Tech Systems As | Girsystem |
| WO2019086064A1 (de) | 2017-11-02 | 2019-05-09 | Wilfried Donner | Antriebsstrang mit zwei separaten, mittels zwischengetriebe gekoppelten schaltbaren getrieben |
| DE102018007326A1 (de) * | 2018-03-28 | 2019-10-02 | Wilfried Donner | Mehrganggetriebe mit zwei Planetengetrieben |
-
2022
- 2022-07-12 DE DE102022117401.8A patent/DE102022117401A1/de not_active Withdrawn
-
2023
- 2023-07-10 EP EP23741631.8A patent/EP4555231A1/de not_active Withdrawn
- 2023-07-10 WO PCT/EP2023/069089 patent/WO2024013121A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022117401A1 (de) | 2024-01-18 |
| WO2024013121A1 (de) | 2024-01-18 |
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