EP3325847A1 - Transmission arrangement for a motor vehicle - Google Patents
Transmission arrangement for a motor vehicleInfo
- Publication number
- EP3325847A1 EP3325847A1 EP16731780.9A EP16731780A EP3325847A1 EP 3325847 A1 EP3325847 A1 EP 3325847A1 EP 16731780 A EP16731780 A EP 16731780A EP 3325847 A1 EP3325847 A1 EP 3325847A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- planetary
- planetary gear
- differential
- gears
- gear
- 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- Withdrawn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
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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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
-
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
-
- 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H2048/106—Differential gearings with gears having orbital motion with orbital spur gears characterised by two sun gears
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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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
Definitions
- the invention relates to a transmission arrangement for a motor vehicle, comprising a transmission input stage and a differential connected thereto via a common planet carrier, wherein the differential has a first and a second planetary set, the first planetary set having a first sun and the second planetary set having a second Sun combs and with the two planetary gear sets of the differential combing in pairs.
- the published patent application DE 10 2012 213 392 A1 discloses a gearbox combination with an overlay stage, which can be formed as an additional planetary stage, which is connected to a planetary gearbox.
- the planetary gear is provided with at least two planetary stages, each of which planetary stage is formed of at least one set of planets and one sun. The planets are around
- Bolt axes having bearing areas of a planet carrier rotatably arranged. All pin axes have the same radial distance from a major axis through the sun around which the planet carrier is rotatably mounted.
- the superposition stage has a common pin which extends through a superposition stage planet and also through a planet of a first planetary gear set of the planetary gear.
- the object of the present invention is to further develop a gear assembly with a differential and to make it particularly compact.
- the transmission input stage to a Antheb sunne which meshes with the first planetary gears of a first planetary gear set, wherein each planetary tenrad the first planetary gearset is rotatably connected to a second planetary gear of a second planetary gearset.
- the two rotatably connected planetary gears of the planetary gear sets of the transmission input stage are rotatably mounted together on a first bolt arranged on the planet carrier.
- the first bolt is arranged in recesses provided for this purpose on the planet carrier.
- the planetary gears of the two planetary gear sets of the transmission input stage are pressed together, in particular by means of positive locking, welded or designed as a step planetary gear set.
- the differential serves for the halfway distribution of an input torque fed into the gear arrangement via the drive sun to the two suns.
- the second planetary gear meshes the transmission input stage with a stationary fixed ring gear, wherein the two planetary gear sets of the differential are arranged radially within the ring gear.
- the ring gear is fixed to a housing stationary and thus rotatably connected to the housing.
- the arrangement of the two planetary gear sets of the differential radially within the ring gear, in particular in the radial direction space is saved.
- the planet gears of the two planetary gear sets of the differential have similar diameters, but very different widths. The widths of the two planetary gears and thus also the planetary gear sets of the differential differ at least by a factor of 1, 5 from each other.
- the planets have two sets of gears of the transmission input stage from set to set on both very different diameters and very different widths.
- the planetary gears of the first planetary gearset of the transmission input stage have at least twice as large diameter as the planetary gears of the second planetary gearset of the transmission input stage, wherein the width of the first planetary gearset of the transmission input stage is at least half as large as the width of the second planetary gearset of the transmission input stage.
- the planet gears of the first planetary gear set of the differential preferably rotatably supported on a second bolt arranged on the planet carrier.
- the second bolt is arranged in recesses provided for this purpose on the planet carrier. In other words, the second bolt is provided to connect the transmission input stage to the differential. This connection is particularly compact and easy to install.
- the planet gears of the second planetary gear set of the differential are rotatably mounted on a third bolt arranged on the planet carrier.
- a third bolt arranged on the planet carrier.
- the third bolt is arranged in recesses provided for this purpose on the planet carrier.
- the third bolt is provided to connect the transmission input stage to the differential. This connection is particularly compact and easy to install.
- the planet carrier preferably has pockets for receiving the respective planetary gears.
- one of the respective planets of the four planetary gear sets is arranged in a respective pocket on the planet carrier.
- the respective planet gears have different axial and radial dimensions, the respective pockets being designed accordingly.
- the invention includes the technical teaching that the planet carrier is formed in two parts and has a main element and a non-rotatably connected Stirnplat- te.
- the end plate is screwed axially via screw means with the main element.
- axial bores for receiving the screw means are formed on the end plate and on the main element.
- the first and second sun on a respective inner peripheral surface on a spline for connection to a respective output shaft.
- the respective spline realizes a positive connection between the respective output shaft and the respective sun.
- the gear arrangement may be formed as a longitudinal distributor gear or as an axle differential.
- the gear assembly is designed as axle differential is the respective
- Output shaft connected to a respective wheel of a motor vehicle.
- the drive sun is designed as a hollow shaft. This allows the implementation of one of the two output shafts through the hollow shaft and thus enables a space saving.
- the drive sun and the two planetary gear sets of the transmission input stage are formed helically. Furthermore, the two suns and the two planetary gear sets of the differential are formed straight teeth.
- Figure 1 is a schematic exploded view for illustrating the
- FIG. 2 shows a simplified schematic side view for illustrating the structure of the gear arrangement according to the invention according to FIG. 1, wherein a first and a second cut line are drawn,
- Figure 3 is a schematic longitudinal sectional view taken along the first section line of Figure 2 to illustrate the construction of the transmission assembly according to the invention.
- Figure 4 is a schematic longitudinal sectional view taken along the second section line of Figure 2 to illustrate the structure of the transmission assembly according to the invention.
- a gear arrangement according to the invention for a motor vehicle (not shown here) has a transmission input stage 1 and a differential 3 connected thereto via a common planet carrier 2.
- the transmission input stage 1 comprises a drive sun 6, a first and a second planetary gearset 7a, 7b and a ring gear 9, respectively.
- Each planetary gear of the first planetary gearset 7a is mounted on a common first pin 8a together with a planetary gear of the second planetary gearset 7b
- the differential 3 comprises a first and second planetary gear sets 4a, 4b respectively formed from planetary gears and a first and second sun 5a, 5b ..
- Each planetary gear of the first planetary gear set is on a second pin 8b and a planetary gear of the third set on third pin 8c stored.
- Each of the four planetary gear sets 4a, 4b, 7a, 7b includes three planetary gears, which are designed as gears.
- the planet carrier 2 has pockets 10a, 10b, 10c, 10d for receiving the respective planet gears of the planetary gear sets 4a, 4b, 7a, 7b.
- the respective pockets 10a, 10b, 10c, 10d are dimensionally adapted to the respective planets of the respective planetary gear set 4a, 4b, 7a, 7b.
- the drive sun 6 and the planet gears of the two planetary gear sets 7a, 7b of the transmission input stage 1 are formed helically.
- the two suns 5a, 5b and the planet gears of the two planetary gear sets 4a, 4b of the differential 3 are formed straight teeth.
- the planet carrier 2 is formed in two parts and has a main element 1 1 and a rotatably connected thereto end plate 12.
- the end plate 12 is screwed via - not shown here - screw axially with the main element 1 1.
- FIG. 2 shows a simplified side view of the gear arrangement according to the invention from FIG. 1.
- the representation of the planet carrier 2 was omitted for the sake of simplicity.
- FIG. 2 shows two sectional lines 20, 30, wherein the sectional area along the first sectional lines 20 is shown in FIG. 3 and the sectional area along the second sectional lines 30 is shown in FIG.
- the first section lines 20 extends centrally through a planet of the second planetary gear set 4b of the differential 3
- the second cutting lines 30 centered by a planet of the first planetary gear set 4a of the differential 3 runs.
- the two planetary gear sets 4a, 4b of the differential 3 mesh with each other in pairs.
- first planetary gear set 4a meshes with a first sun 5a and the second planetary gear set 4b with a second sun gear 5b.
- a planetary gear of the first planetary gearset 7a of the gearbox input stage 1 is rotatably connected to a planetary gear of the second planetary gearset 7b of the transmission input stage 1.
- the second planetary gearset 7b of the transmission input stage 1 meshes with the stationary fixed ring gear 9.
- the planetary gears of the two planetary gear sets 7a, 7b of the transmission input stage 1 are rotatably mounted in pairs on the planet carrier 2 arranged on the first pin 8a.
- the planet gears of the second planetary gear set 4b of the differential 3 are rotatably mounted on arranged on the planet carrier 2 third pin 8c.
- the transmission input stage 1 is connected to the differential 3 geared.
- the first and second sun 5a, 5b on a respective inner peripheral surface of a spline 13a, 13b for connection to a respective - not shown here - output shaft.
- the gear arrangement can be provided both as a transverse distributor between two wheels (not illustrated here) and as a longitudinal distributor between a front and rear axle (not shown here).
- the drive sun 6 meshes with the first planetary gear set 7a of the transmission input stage 1.
- the drive sun 6 is designed as a hollow shaft.
- the transmission input stage 1 is connected to the differential 3 geared. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015214033.4A DE102015214033A1 (en) | 2015-07-24 | 2015-07-24 | Gear arrangement for a motor vehicle |
DE102015214031.8A DE102015214031A1 (en) | 2015-07-24 | 2015-07-24 | Gear arrangement for a motor vehicle |
PCT/DE2016/200254 WO2017016552A1 (en) | 2015-07-24 | 2016-05-27 | Transmission arrangement for a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3325847A1 true EP3325847A1 (en) | 2018-05-30 |
Family
ID=56203053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16731780.9A Withdrawn EP3325847A1 (en) | 2015-07-24 | 2016-05-27 | Transmission arrangement for a motor vehicle |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180202529A1 (en) |
EP (1) | EP3325847A1 (en) |
JP (1) | JP2018526588A (en) |
KR (1) | KR20180033182A (en) |
CN (1) | CN107820549A (en) |
DE (1) | DE112016003338A5 (en) |
WO (1) | WO2017016552A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6891659B2 (en) * | 2017-06-21 | 2021-06-18 | 株式会社ジェイテクト | Differential device |
DE102018128836B3 (en) * | 2018-11-16 | 2019-10-02 | Schaeffler Technologies AG & Co. KG | Transmission device for a motor vehicle |
KR102615940B1 (en) * | 2020-12-02 | 2023-12-20 | 주식회사 재성테크 | Integral carrier system with planetary gear reducer and planetary gear differential |
WO2022124432A1 (en) * | 2020-12-08 | 2022-06-16 | 주식회사 재성테크 | Speed reducer |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08219254A (en) * | 1995-02-09 | 1996-08-27 | Tochigi Fuji Ind Co Ltd | Differential device |
JP2001200897A (en) * | 1999-11-12 | 2001-07-27 | Otics Corp | Planetary gear device |
US6575868B1 (en) * | 2000-04-14 | 2003-06-10 | Hydro-Gear Limited Partnership | Transaxle with differential lock mechanism |
DE102004038279A1 (en) * | 2004-08-06 | 2006-02-23 | Zf Friedrichshafen Ag | Multi-stage automatic transmission |
DE102006001334B3 (en) * | 2006-01-09 | 2007-09-27 | Gkn Driveline International Gmbh | Gear arrangement for variable torque distribution |
KR100946492B1 (en) * | 2007-10-29 | 2010-03-10 | 현대자동차주식회사 | Rear wheel drive apparatus for 4WD-hybrid electric vehicle |
DE102008061946A1 (en) * | 2008-12-12 | 2010-06-17 | Schaeffler Kg | Electric drive unit with variable torque distribution |
EP2821672B1 (en) * | 2012-02-27 | 2016-12-28 | Honda Motor Co., Ltd. | Drive device for vehicle |
DE102012213392A1 (en) * | 2012-07-31 | 2014-02-06 | Schaeffler Technologies AG & Co. KG | Transmission combination with a planetary differential in the manner of a Wildhaber Novikov spur gear differential |
DE102012213396A1 (en) * | 2012-07-31 | 2014-02-06 | Schaeffler Technologies AG & Co. KG | Spur gear differential for use as axle gear box for passenger car, has spur gear whose tip circle is smaller than root circle of another spur gear, where connection zones of gears extend on axial level of intervention zones |
DE102013206734B4 (en) * | 2013-04-16 | 2021-07-29 | Schaeffler Technologies AG & Co. KG | Planetary gear arrangement with at least two planetary sets arranged axially next to one another |
DE102016216784B4 (en) * | 2016-09-06 | 2023-11-09 | Schaeffler Technologies AG & Co. KG | Epicyclic gearboxes, especially reduction gearboxes with integrated spur gear differentials |
-
2016
- 2016-05-27 JP JP2018503528A patent/JP2018526588A/en active Pending
- 2016-05-27 DE DE112016003338.9T patent/DE112016003338A5/en not_active Ceased
- 2016-05-27 EP EP16731780.9A patent/EP3325847A1/en not_active Withdrawn
- 2016-05-27 US US15/741,959 patent/US20180202529A1/en not_active Abandoned
- 2016-05-27 WO PCT/DE2016/200254 patent/WO2017016552A1/en active Application Filing
- 2016-05-27 CN CN201680038148.1A patent/CN107820549A/en active Pending
- 2016-05-27 KR KR1020187001852A patent/KR20180033182A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20180202529A1 (en) | 2018-07-19 |
DE112016003338A5 (en) | 2018-05-03 |
KR20180033182A (en) | 2018-04-02 |
CN107820549A (en) | 2018-03-20 |
WO2017016552A1 (en) | 2017-02-02 |
JP2018526588A (en) | 2018-09-13 |
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Legal Events
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Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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Effective date: 20180226 |
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Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: WURZBERGER, PHILIP Inventor name: FERNANDEZ, INAKI Inventor name: MARTINI, HARALD Inventor name: BIERMANN, THORSTEN |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20210714 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20211125 |
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P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |