CN103851132A - Planetary gear - Google Patents
Planetary gear Download PDFInfo
- Publication number
- CN103851132A CN103851132A CN201310652032.5A CN201310652032A CN103851132A CN 103851132 A CN103851132 A CN 103851132A CN 201310652032 A CN201310652032 A CN 201310652032A CN 103851132 A CN103851132 A CN 103851132A
- Authority
- CN
- China
- Prior art keywords
- section
- transmission unit
- sun gear
- gear transmission
- planetary type
- 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.)
- Pending
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central 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
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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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
- F16H2048/106—Differential gearings with gears having orbital motion with orbital spur gears characterised by two sun gears
Abstract
A planetary gear (1) has a first sun gear unit (3a) and a second sun gear unit (3b), and the first sun gear unit (3a) and/or a second sun gear unit (3b) defines a rotation axis (2) of the planetary gear (1). An insert (13) is provided with a central portion (14) arranged between the sun gear units (3a, 3b). A first end surface portion (16a) for axial engagement with the first sun gear unit (3a) and a second end surface portion (16b) for axial engagement with the second sun gear unit (3b) are provided. The insert is provided with a first centering section (15a) for carrying a first cylinder casing section (17a) and a second centering section (15b) for carrying a second cylinder casing section (17b). The centering sections (15a,15b) are offset with respect to the rotation axis (2) axially arranged to the outside on the central portion (14).
Description
Invention field
The present invention relates to a kind of planetary type gear transmission unit, it has the first sun gear and has the second sun gear, wherein, the first and/or second sun gear limits the spin axis of this planetary type gear transmission unit, this planetary type gear transmission unit has built-in part, wherein, this built-in part has centre portion, wherein, this centre portion is arranged between the first and second sun gears and has for axially abutting in first end side section on the first sun gear and for axially abutting in the second end side surface section on the second sun gear, and wherein, described built-in part has the first cylinder blanket section for making the first sun gear radial alignment and for making the second cylinder blanket section of the second sun gear radial alignment.
Background technique
Planetary type gear transmission unit comprises two mutual axis sun gear of adjacent layout abreast with many mode of structure.These two sun gears often must be able to be independent of each other and be rotated.For interference-free is lastingly realized this relative torsion, two sun gears support in the axial direction mutually.This support is mostly by being arranged in two Middleware implementations between sun gear.
For example, document DE102007040475A1 illustrates the spur gear differential mechanism with two sun gears, and the mutual axis of described sun gear is arranged abreast.Each in two sun gears opposed facing have on distolateral around groove, wherein, two grooves are configured for the acceptance division of middleware jointly.This middleware makes relative to each other axially support of two sun gears on the one hand, and can realize on the other hand the radial alignment of two sun gears.
Summary of the invention
Task of the present invention is to propose a kind of planetary type gear transmission unit that can make simply in processing technique.This task by have claim 1 feature planetary type gear transmission unit solve.Preferred or favourable mode of execution of the present invention is learnt by dependent claims, below explanation and accompanying drawing.
Propose within the scope of the invention a kind of planetary type gear transmission unit, it is preferably applicable to vehicle and/or is configured to vehicle.Described planetary type gear transmission unit is especially configured to, and separates torque flow, changes this torque flow and/or it is combined with another torque flow from the drive motor of vehicle.This planetary type gear transmission unit is configured to spur gear planetary driving device, and wherein, the parts preferable configuration of this planetary type gear transmission unit is around ground meshed gears distolateral.
Described planetary type gear transmission unit comprises the first and second sun gears, and wherein, a spin axis is arranged and limited to the preferably mutual axis of the first and second sun gears abreast.This spin axis is especially configured to the common rotation axis of described two sun gears, and described sun gear is arranged with respect to the coaxial heart of this spin axis.
Described planetary type gear transmission unit preferably includes one group of the first row star-wheel and one group of second planet wheel, and wherein, described planet wheel arranges that being able to its corresponding spin axis is positioned at one and separates on the standard pitch circle (Teilkreis) of spacing with described spin axis.For example, every group of planet wheel has three, four or more planet wheel.The first row star-wheel is arranged to engage with the first sun gear.The second planet wheel is arranged to engage with the second sun gear.The standard pitch circle of the first and second planet wheels can be chosen to different, but described standard pitch circle is preferably identical.
In addition, described planetary type gear transmission unit comprise can integral type or multi-hull type the built-in part that forms.This built-in part has centre portion, and this centre portion is observed in the axial direction with regard to described spin axis and is arranged between the first and second sun gears.This centre portion has first end side section and the second end side surface section, and wherein, these two end side surface sections are arranged to output and axially abut on the first sun gear and on the second sun gear.Described end side surface section is especially in one in the radial plane perpendicular to spin axis.By this centre portion, two sun gears can support in the axial direction mutually.
In addition, described built-in part comprises the first cylinder blanket section and the second cylinder blanket section, and wherein, two cylinder blanket sections are configured to make two sun gears with respect to this built-in part radial alignment and radial alignment relative to each other thus.Two cylinder blanket sections are especially arranged on the cylinder blanket face of arranging with respect to the coaxial heart of described spin axis.
Described end side surface section can be configured to around ring surface, but also possible that, described end side surface section is only made up of the part section of this ring surface.Described cylinder blanket section can be configured to around shell surface, but also possible that, described cylinder blanket section is only the face section of this shell surface.Described cylinder blanket section and/or end side surface section especially allow sun gear to rotate with respect to built-in part.
Propose within the scope of the invention, described built-in part has the first centering section of described the first cylinder blanket section of carrying and the second centering section of described the second cylinder blanket section of carrying.The first and second centering sections outwards stagger and arrange with respect to described centre portion in the axial direction with regard to described spin axis.If regard first end side section and the second end side surface section as clip (Klammer) around centre portion, the first cylinder blanket section and/or the second cylinder blanket section are arranged in outside this clip in the axial direction at least in part or fully.
Advantage of the present invention is found in: sun gear with respect to built-in part radial alignment and thus relative to each other the function of radial alignment implement by described centering section, described centering section stretches out and arranges with respect to centre portion.Thus, realize supporting and the shoulder that reclines for each of two sun gears by built-in part, thereby can make sun gear be placed to described supporting with fringe region and recline in shoulder in simple mode.Especially can in sun gear, save receive structure, for example around groove, as known by prior art, thereby obviously simplify by this way the processing of sun gear.Lucky this groove is difficult to manufacture in forming technique and Chang Bixu processes by method separately.By this have for sun gear, be the supporting of centering section form and the new-type built-in part of the shoulder that reclines, can save this acceptance division in sun gear and can save by this way the process step of processing complexity and/or cost costliness when planetary type gear transmission unit.
In the preferred embodiment of the present invention, described built-in part is configured to ring part.This ring part is especially arranged with respect to the coaxial heart of described spin axis.In the longitudinal section that is parallel to spin axis, described ring part has the type exterior feature of T shape, and wherein, the preferred radially outward of the setting shank of described T points to and is made up of and the shank that keeps flat of described T is made up of described centering section described centre portion.In this very simple configuration, the function that the built-in part that is configured to ring part can either be implemented axially support also can be implemented the function of radial alignment.
In preferred structure configuration of the present invention, described built-in part (especially in theory) on around direction can rotate freely and be arranged in planetary type gear transmission unit, is especially arranged between two sun gears.The advantage of this configuration is, sun gear and built-in part clamping be dodged and be prevented to described built-in part can in simple mode in the time of sun gear load.Another advantage is that processing is simple, because described built-in part can be used as independent member processing and further do not increase the complexity of the planet carrier of for example planetary type gear transmission unit.
In possible structural implementation of the present invention, described the first and second sun gears have respectively for axle, the perforation acceptance division of the axle that is particularly useful for pegging graft.In the region of the adjacency of two sun gears, each sun gear has the open-ended outlet opening of the described perforation acceptance division of a formation.First and second centering section is arranged in corresponding respectively outlet opening.In particular, described sun gear is being parallel to and in the longitudinal section of spin axis, has turning, especially has 90 degree corner regions in the region of described outlet opening, and it can shape be arranged in built-in part, especially be arranged on the cylinder blanket section and side section as supporting and the shoulder that reclines in locking manner.
In preferred structural structure of the present invention, the described first and/or second sun gear has respectively one for receiving cover section and a radial segment of one or more axles, and this radial segment is configured to the carrier of the end-tooth portion of sun gear.In the described longitudinal section that is parallel to spin axis, there is L shaped type exterior feature from cover section to transition part radial segment, inner radial, wherein, described centre portion abuts on the setting shank of described L and described centering section abuts in keeping flat on shank of described L.
Particularly preferably be, described sun gear is configured to the member of with no chips processing, is especially configured to drip molding.In this configuration, advantage of the present invention works especially significantly because (as has been described previously) replace use according to built-in part of the present invention must by around groove be worked in sun gear, as known by prior art.But this around groove only can be difficult in forming technique realize, thereby make manufacture simplification and cheap by built-in part according to the present invention.
Particularly preferably be, described built-in part is configured to working of plastics, is especially configured to moulding.The built-in part that is configured to working of plastics has sufficient mechanical stability and wear resistance on plan working life of planetary type gear transmission unit, thereby this has implemented again the favourable and simple processing method of cost.
In advantageous modification of the present invention, described built-in part has integrated annular disk or ring segment, and wherein, described annular disk or ring segment form described end side surface section.Alternatively or addedly, described centering section also can have cover, described cover is for example made up of metal, and described cover forms described cylinder blanket section.Annular disk and ring segment also can be made up of metal selectively.Annular disk, ring segment or be enclosed within and on the region of load, strengthen described built-in part or determine desired friction behavior.
In possible mode of execution of the present invention, described built-in part is configured to slider disc or is alternatively configured to friction disk.For the situation of slider disc, the friction between sun gear is on purpose reduced, thereby planetary type gear transmission unit can low frictionally operation.The in the situation that of friction disk, the coupling of two sun gears, the especially sealed coupling that rubs are effectively implemented.
In possible application of the present invention, described planetary type gear transmission unit is configured to differential transmitting linkage.In this configuration, for example likely, the first row star-wheel and the second planet wheel are arranged on common planet carrier, and this planet carrier is especially formed into the input end of the planetary type gear transmission unit that is configured to differential transmitting linkage.In this configuration, the first row star-wheel and the second planet wheel are intermeshing in couples, thereby realize compensation mechanism.In this configuration, the first and second sun gears are configured to the output terminal of differential transmitting linkage.
Brief description of the drawings
Further feature of the present invention, advantage and effect are provided by the following description of the preferred embodiment of the present invention.Accompanying drawing illustrates:
Fig. 1 is along the schematic longitudinal elevation view of the spin axis of the planetary type gear transmission unit as the embodiment of the present invention,
The schematic three dimensional views of the built-in part of the planetary type gear transmission unit in Fig. 2 Fig. 1.
Embodiment
Fig. 1 illustrates the planetary type gear transmission unit 1 that is configured to differential transmitting linkage with the schematic longitudinal elevation view of the spin axis 2 along planetary type gear transmission unit 1.On two driven shafts that planetary type gear transmission unit 1 is for example configured to make driving torque be assigned to vehicle.
Planetary type gear transmission unit 1 has the first and second sun gear 3a, b, and described sun gear forms the output terminal of planetary type gear transmission unit 1.Planetary type gear transmission unit 1 also comprises one group of the first row star-wheel 4a and one group of second planet wheel 4b, in the diagram of described planet wheel in Fig. 1, represents only coveredly.The first sun gear 3a engages with the first row star-wheel 4a, and the second sun gear 3b engages with the second planet wheel 4b.Planet wheel 4a, b arrange be able to its planetary rotation axis 5 be positioned at one with the standard pitch circle of the coaxial heart of spin axis 2 layout on.Planet wheel 4a, b is intermeshing in couples, and wherein, each the first row star-wheel 4a engages with a second planet wheel 4b respectively.
Carry the first and second planet wheel 4a, the planet carrier 6 of the pin of b has end-tooth portion 7, and this end-tooth portion is formed into the input end of planetary type gear transmission unit 1.
Sun gear 3a, b has the cover section 8a arranging with the coaxial heart of spin axis 2, b.At cover section 8a, in b, be furnished with respectively the 9a of tooth portion, b, described tooth portion makes it possible on around direction to receive in locking manner so-called grafting axis, actual grafting axle around these spin axis 2 shapes.In addition, sun gear 3a, b has radial segment 10a, b, described radial segment its carry on fringe region freely around the 11a of end-tooth portion, b.Will point out for integrity, the 11a of tooth portion has negative flank profil displacement, and the 11b of tooth portion has positive flank profil displacement.In an identical manner, the first row star-wheel 4a has positive flank profil displacement and planet wheel 4b has negative flank profil displacement, thereby ensures, the first row star-wheel 4a only engages with the first sun gear 3a and the second planet wheel 4b only engages with the second sun gear 3b.
Planet carrier 6 is by two bearing device 12a, and b is rotatably mounted with respect to unshowned encirclement structure.Sun gear 3a, b rotates with respect to planet carrier 6.
Sun gear 3a, b is configured to drip molding, especially overlaps section 8a, and b is implemented as stretch zones.Shown in longitudinal section, from cover section 8a, b is to radial segment 10a, the transition part of b is configured to have the L shaped type exterior feature of erectting shank and keeping flat shank in interior profile.
At sun gear 3a, between b, be furnished with the built-in part 13 being made of plastics in this example, this built-in part is implemented two functions.Shown in longitudinal section, built-in part 13 is configured to the T shape of reversion and has corresponding to the centre portion 14 of the shank of erectting and the centering section 15a that two are stretched out in side, b.
Fig. 2 illustrates built-in part 13 with schematic three dimensional views, wherein, can see the centering section 15a that is configured to flange-shape, b, and it is outstanding that described centering section obviously exceedes the end side surface section 16a being made up of the side of built-in part 13 in the axial direction.End side surface section 16a, b can be configured to connect, but also possible that, as shown in Figure 2, this end side surface section has recess, between these recesses, has connection strap, on the one hand keep oiling agent deposit and realize on the other hand the structural reinforcement of built-in part 13.
List of reference signs
1 planetary type gear transmission unit
2 spin axiss
3a, b sun gear
4a, b planet wheel
5 planetary rotation axis
6 planet carriers
7 end-tooth portions
8a, b overlaps section
9a, b tooth portion
10a, b radial segment
11a, b tooth portion
12a, b bearing device
13 built-in parts
14 centre portions
15a, b centering section
16a, b end side surface section
17a, b cylinder blanket section
Claims (10)
1. planetary type gear transmission unit (1), there is the first sun gear (3a) and there is the second sun gear (3b), wherein, the first and/or second sun gear (3a, b) limit the spin axis (2) of this planetary type gear transmission unit (1), this planetary type gear transmission unit has built-in part (13), wherein, this built-in part (13) has centre portion (14), wherein, this centre portion (14) is arranged in the first and second sun gear (3a, b) between and have for axially abutting in first end side section (16a) on the first sun gear (3a) and for axially abutting in the second end side surface section (16b) on the second sun gear (3b), and wherein, described built-in part (13) has the first cylinder blanket section (17a) for making the first sun gear (3a) radial alignment and for making the second cylinder blanket section (17b) of the second sun gear (3b) radial alignment, it is characterized in that, described built-in part (13) has the first centering section (15a) of described the first cylinder blanket section (17a) of carrying and the second centering section (15b) of described the second cylinder blanket section (17b) of carrying, wherein, the first and second centering section (15a, b) outwards stagger and arrange with respect to described centre portion (14) in the axial direction about described spin axis (2).
2. according to the planetary type gear transmission unit of claim 1 (1), it is characterized in that, described built-in part (13) is configured to ring part, this ring part has the type exterior feature of T shape in the longitudinal section that is parallel to described spin axis (2), wherein, the shank of the setting of described T is made up of described centre portion (14) and the shank keeping flat of described T is made up of described centering section (15a, b).
3. according to the planetary type gear transmission unit (1) of claim 1 or 2, it is characterized in that, described built-in part (13) can rotate freely and be arranged in described planetary type gear transmission unit (1) on around direction.
4. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described the first and second sun gear (3a, b) have respectively for axle, the perforation acceptance division of the axle that is particularly useful for pegging graft, wherein, described perforation acceptance division has respectively mutual outlet opening toward each other, and wherein, described first and second centering section (15a, b) is arranged in described outlet opening.
5. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, the described first and/or second sun gear (3a, b) there is respectively the cover section (8a for receiving axes, b) with as (the 11a of end-tooth portion, radial segment (the 10a of carrier b), b), wherein, from cover section (8a, b) to radial segment (10a, b), the transition part of inner radial has L shaped type exterior feature in the longitudinal section that is parallel to described spin axis (2), wherein, described centre portion (14) abuts on the shank of setting of described L and described centering section (15a, b) abut on the shank keeping flat of described L.
6. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described one or described multiple sun gears (3a, b) are configured to the member that with no chips is processed into.
7. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described built-in part (13) is configured to working of plastics.
8. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described built-in part (13) has integrated annular disk or ring segment, and described annular disk or ring segment form described end side surface section (16a, b).
9. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described built-in part (13) is configured to slider disc or is configured to friction disk.
10. according to the planetary type gear transmission unit (1) of any one in aforementioned claim, it is characterized in that, described planetary type gear transmission unit (1) is configured to differential transmitting linkage.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012222275.8 | 2012-12-05 | ||
| DE201210222275 DE102012222275A1 (en) | 2012-12-05 | 2012-12-05 | Planetary gear designed as differential gear for distributing drive torque to two output shafts of vehicle, has two centering sections that are offset with respect to rotation axis axially arranged to outside on central portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103851132A true CN103851132A (en) | 2014-06-11 |
Family
ID=50726064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310652032.5A Pending CN103851132A (en) | 2012-12-05 | 2013-12-05 | Planetary gear |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103851132A (en) |
| DE (1) | DE102012222275A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291629A (en) * | 2015-12-01 | 2018-07-17 | 舍弗勒技术股份两合公司 | Supporting arrangement for being classified planetary member and it is equipped with supporting arrangement, planet gear transmission device for Motor vehicle drive unit |
| CN109563917A (en) * | 2016-07-29 | 2019-04-02 | 舍弗勒技术股份两合公司 | Planet differential device and the method for manufacturing the planet differential device |
| CN109661530A (en) * | 2016-09-06 | 2019-04-19 | 舍弗勒技术股份两合公司 | With can nondestructive demounting sun gear spur gear differential mechanism |
| CN110945268A (en) * | 2017-08-04 | 2020-03-31 | 舍弗勒技术股份两合公司 | Planetary gear transmission device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5244440A (en) * | 1992-10-30 | 1993-09-14 | Zexel-Gleason Usa, Inc. | Differential with outwardly directed planetary gear separating forces |
| WO2008110425A2 (en) * | 2007-03-13 | 2008-09-18 | Schaeffler Kg | Spur gear differential comprising a superposition differential |
| DE102007040475A1 (en) * | 2007-08-28 | 2009-03-05 | Schaeffler Kg | spur gear |
| DE102009013294A1 (en) * | 2009-03-14 | 2010-09-16 | Schaeffler Technologies Gmbh & Co. Kg | Spur wheel differential gear, particularly for motor vehicle, comprises diagonal or spiral shaped toothed sun gears, planetary gears, and internal gear, where parallelly arranged sun gears are coupled with parallelly arranged output shafts |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63231038A (en) * | 1987-03-19 | 1988-09-27 | Fuji Kiko Co Ltd | Differential gear mechanism |
-
2012
- 2012-12-05 DE DE201210222275 patent/DE102012222275A1/en not_active Withdrawn
-
2013
- 2013-12-05 CN CN201310652032.5A patent/CN103851132A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5244440A (en) * | 1992-10-30 | 1993-09-14 | Zexel-Gleason Usa, Inc. | Differential with outwardly directed planetary gear separating forces |
| WO2008110425A2 (en) * | 2007-03-13 | 2008-09-18 | Schaeffler Kg | Spur gear differential comprising a superposition differential |
| DE102007040475A1 (en) * | 2007-08-28 | 2009-03-05 | Schaeffler Kg | spur gear |
| DE102009013294A1 (en) * | 2009-03-14 | 2010-09-16 | Schaeffler Technologies Gmbh & Co. Kg | Spur wheel differential gear, particularly for motor vehicle, comprises diagonal or spiral shaped toothed sun gears, planetary gears, and internal gear, where parallelly arranged sun gears are coupled with parallelly arranged output shafts |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291629A (en) * | 2015-12-01 | 2018-07-17 | 舍弗勒技术股份两合公司 | Supporting arrangement for being classified planetary member and it is equipped with supporting arrangement, planet gear transmission device for Motor vehicle drive unit |
| CN109563917A (en) * | 2016-07-29 | 2019-04-02 | 舍弗勒技术股份两合公司 | Planet differential device and the method for manufacturing the planet differential device |
| CN109563917B (en) * | 2016-07-29 | 2022-02-22 | 舍弗勒技术股份两合公司 | Planetary differential device and method for manufacturing same |
| CN109661530A (en) * | 2016-09-06 | 2019-04-19 | 舍弗勒技术股份两合公司 | With can nondestructive demounting sun gear spur gear differential mechanism |
| CN109661530B (en) * | 2016-09-06 | 2022-04-08 | 舍弗勒技术股份两合公司 | Spur gear differential with sun gear capable of being dismounted without damage |
| CN110945268A (en) * | 2017-08-04 | 2020-03-31 | 舍弗勒技术股份两合公司 | Planetary gear transmission device |
| CN110945268B (en) * | 2017-08-04 | 2023-04-07 | 舍弗勒技术股份两合公司 | Planetary gear transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012222275A1 (en) | 2014-06-05 |
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