CN104088982B - Planetary gear type inter-axle differential for automobile - Google Patents
Planetary gear type inter-axle differential for automobile Download PDFInfo
- Publication number
- CN104088982B CN104088982B CN201410359466.0A CN201410359466A CN104088982B CN 104088982 B CN104088982 B CN 104088982B CN 201410359466 A CN201410359466 A CN 201410359466A CN 104088982 B CN104088982 B CN 104088982B
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- CN
- China
- Prior art keywords
- planet
- driving
- forerunner
- mechanical axis
- wheel
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- 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.)
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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
- 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
Abstract
Disclosed is a planetary gear type inter-axle differential for an automobile. A driving shaft is arranged inside a box body. One end of the driving shaft is installed inside a front driving power shaft, the other end of the driving shaft is installed inside a rear driving power shaft, and the front driving power shaft and the rear driving power shaft are installed inside the box body. A front driving gear is installed on the front driving power shaft. A planetary control support is installed on the driving shaft. An integration sun gear is integrated on the driving shaft. In addition, a front driving planetary gear supporting assembly and a rear driving planetary gear supporting assembly are the same in structure and installation mode. Front driving planetary gears are evenly installed on the planetary control support in the circumferential direction through the front driving planetary gear supporting assembly, and the front driving planetary gears are meshed with an inner ring gear of the front driving power shaft and the integration sun gear at the same time. According to the inter-axle differential, the planetary control support of a planetary gear transmission mechanism is adopted to drive the inter-axle differential through mechanical power, the problem of inconsistent non-proportional output of travelling wheels of front and rear driving axles is effectively solved, and the inter-axle differential is particularly suitable for a roller tractor four-wheel drive system, high in transmission efficiency, and easy and convenient to operate and facilitates driving.
Description
Technical field
The present invention relates to farm machinery transmission technology field, particularly relate to a kind of planetary gear type vehicle interaxial differential.
Background technique
The especially general purpose wheeled tractor of agri-vehicle travels in field usually, but because field soil quality is soft, traction is little, for increasing the driving force of tractor, usually adopting and strengthening driving wheel diameter, increase pattern depth, adopting the modes such as four-wheel drive.Wherein, strengthen wheel diameter and the steering capability of front-wheel can be made to weaken, therefore in order to improve driving force not reducing on tractor steering capability foundation discussion, tractor wheels is generally the little and trailing wheel macrostructure of front-wheel; And the degree of depth increasing tyre tread is worn and torn along with the use of tire, the problem of tractor driving kinetic force effectively can not be solved; Adopt four-wheel drive time, must design specialized gear to overcome the problem causing front wheel rotation speed different because wheel size differs.
Summary of the invention
Technical problem solved by the invention is to provide a kind of planetary gear type vehicle interaxial differential, to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
Planetary gear type vehicle interaxial differential, comprise casing, wherein, driving shaft is provided with in casing, driving shaft one end is installed in front wheel driving mechanical axis, the other end is installed in rear driving mechanical axis, and front wheel driving mechanical axis is arranged in end cap, rear driving mechanical axis is installed in casing, forerunner's gear is installed on front wheel driving mechanical axis, is provided with initiatively outside framework oil seal in front wheel driving mechanical axis, when external impetus axle sleeve to be loaded on driving shaft by spline transferring power, initiatively outside framework oil seal is set on this external impetus axle, plays the effect of dynamic rotary sealing; In casing, be provided with the rear-guard outside framework oil seal for the sealing of rear driving mechanical axis dynamic rotary, rear-guard outside framework oil seal is set on rear driving mechanical axis simultaneously, and planet controls support installing on driving shaft, and integrated sun gear is integrated on driving shaft; In addition, forerunner's planet wheel supporting component is identical with rear-guard planet wheel supporting component structure, forerunner's planet wheel controls on support by the uniform planet that is installed on of forerunner's planet wheel supporting component circumference, and forerunner's planet wheel engages with the inner ring gear of front wheel driving mechanical axis, integrated sun gear simultaneously, rear-guard planet wheel is installed on rear driving mechanical axis by rear-guard planet wheel supporting component circumference is uniform, and rear-guard planet wheel controls the inner ring gear of support with planet simultaneously, integrated sun gear engages.
In the present invention, the snap ring one for axial limiting is installed in end cap.
In the present invention, be also provided with forerunner's outside framework oil seal in end cap, and forerunner's outside framework oil seal is set on front wheel driving mechanical axis, the dynamic rotary for front wheel driving mechanical axis seals.
In the present invention, end cap and casing coordinate and install and be connected fastening by end cap clamping bolt.
In the present invention, front wheel driving mechanical axis is provided with for carrying out spacing snap ring two to forerunner's gear.
In the present invention, planet is controlled support and is installed on driving shaft by sliding bearing, and sliding bearing and driving shaft transition fit.
In the present invention, forerunner's planet wheel supporting component comprises component slippage bearing, assembly screw, assembly back-up ring, component slippage bearing interference fit is installed in forerunner's planet wheel, forerunner's planet wheel is loaded on assembly screw by component slippage bearing housing and dallies, assembly screw one end is installed on planet by screw threads for fastening and controls on support, the other end is set with assembly back-up ring, for the axial limiting to forerunner's planet wheel.
In the present invention, without normal vehicle operation under the effect of external motion resistance, driving shaft is rotated counterclockwise under powered attendant-controlled wheelchairs driving, and drives forerunner's planet wheel and rear-guard planet wheel to rotate by integrated sun gear, and under the effect having external motion resistance, forerunner's planet wheel impels planet control support to be rotated counterclockwise trend by forerunner's planet wheel supporting component, and rear-guard planet wheel impels planet to control support by rear-guard planet wheel supporting component to turn clockwise trend, now, the active force that rear-guard planet wheel controls support to planet is contrary with the force direction that forerunner's planet wheel controls support to planet, when active force equal and opposite in direction, planet controls support and keeps geo-stationary, forerunner's planet wheel and rear-guard planet wheel indifferential Power output, when active force differs in size, planet controls support and produces relative movement, the power of one end is flowed to the other end, to realize shaft space difference speed.
The concrete motion mode of shaft space difference speed is: power drives front wheel driving mechanical axis through driving shaft input rear portion through forerunner's planet wheel, and pass through forerunner's gear by transmission of power to front drive axle part, another part drives rear driving mechanical axis through rear-guard planet wheel, and by the spline on rear driving mechanical axis by transmission of power to back driving axle part; When driving shaft with rated speed by forerunner's planet wheel drive the angular velocity of front wheel driving mechanical axis be greater than front wheel driving mechanical axis end outside travel feed back to the angular velocity of differential mechanism front wheel driving mechanical axis time, forerunner travels wheel and planet will be driven to control support rotation by forerunner's planet wheel supporting component, and the rotation that planet controls support will speed up the driving of rear-guard planet wheel to rear driving mechanical axis, namely driving shaft drives the angular velocity of rear driving mechanical axis to increase, to increase driving rear-guard being travelled to wheel with rated speed; Otherwise, driving shaft with rated speed by rear-guard planet wheel drive the angular velocity of rear driving mechanical axis be greater than rear driving mechanical axis end outside travel feed back to the angular velocity of differential mechanism rear driving mechanical axis time, rear-guard travels wheel and transmission of power is controlled support to planet, the rotation that planet controls support accelerates forerunner's planet wheel to the driving of front wheel driving mechanical axis, namely driving shaft drives the angular velocity of front wheel driving mechanical axis to increase with rated speed, to increase driving forerunner being travelled to wheel, thus realize forerunner and travel wheel and travel the motivational drive between centers differential of taking turns with rear-guard.
Beneficial effect: the present invention adopts the planet of planetary gear mechanism to control support and drives differential to realize machine power, the traveling wheel non-equal proportion caused not of uniform size efficiently solving front and back ransaxle exports problem, both improve the stability that vehicle travels, and transmission efficiency is high, applicability is strong, easy and simple to handle, be easy to drive.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Fig. 4 is forerunner's planet wheel supporting component structural representation in preferred embodiment of the present invention.
Fig. 5 is the concrete use schematic diagram of preferred embodiment of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See the planetary gear type vehicle interaxial differential of Fig. 1 ~ Fig. 4, comprise forerunner's planet wheel supporting component 1, end cap clamping bolt 2, end cap 3, snap ring 1, forerunner's outside framework oil seal 5, forerunner's gear 6, snap ring 27, initiatively outside framework oil seal 8, driving shaft 9, front wheel driving mechanical axis 10, bearing 1, bearing 2 12, planet controls support 13, rear-guard planet wheel 14, rear-guard planet wheel supporting component 15, bearing 3 16, bearing 4 17, rear driving mechanical axis 18, rear-guard outside framework oil seal 19, casing 20, snap ring 3 21, sliding bearing 22, forerunner's planet wheel 23, integrated sun gear 24, component slippage bearing 1-1, assembly screw 1-2, assembly back-up ring 1-3.
In the present embodiment, driving shaft 9 one end is installed in front wheel driving mechanical axis 10 by bearing 2 12, the other end is installed in rear driving mechanical axis 18 by bearing 3 16, front wheel driving mechanical axis 10 is installed in end cap 3 by bearing 1, rear driving mechanical axis 18 is installed in casing 20 by bearing 4 17, end cap 3 coordinates with casing 20 to be installed and is connected fastening by end cap clamping bolt 2, snap ring 1 is installed in end cap 3, snap ring 3 21 is installed in casing 20, snap ring 1 and snap ring 3 21 are respectively used to axial limiting, forerunner's outside framework oil seal 5 is installed in end cap 3, be set on front wheel driving mechanical axis 10 simultaneously, dynamic rotary for front wheel driving mechanical axis 10 seals, forerunner's gear 6 to be installed on front wheel driving mechanical axis 10 and spacing by snap ring 27, initiatively outside framework oil seal 8 is installed in front wheel driving mechanical axis 10, when external impetus axle sleeve to be loaded on driving shaft 9 by spline transferring power, initiatively outside framework oil seal 8 is set on this external impetus axle, play the effect of dynamic rotary sealing, rear-guard outside framework oil seal 19 is installed in casing 20, be set on rear driving mechanical axis 18 simultaneously, dynamic rotary for rear driving mechanical axis 18 seals, planet controls support 13 and is installed on idle running on driving shaft 9 by sliding bearing 22, sliding bearing 22 and driving shaft 9 transition fit, integrated sun gear 24 is integrated on driving shaft 9, forerunner's planet wheel 23 controls on support 13 by the uniform planet that is installed on of forerunner's planet wheel supporting component 1 circumference, and forerunner's planet wheel 23 simultaneously with the inner ring gear of front wheel driving mechanical axis 10, integrated sun gear 24 engages, rear-guard planet wheel 14 is installed on rear driving mechanical axis 18 by rear-guard planet wheel supporting component 15 circumference is uniform, and rear-guard planet wheel 14 controls the inner ring gear of support 13 with planet simultaneously, integrated sun gear 24 engages.
In forerunner's planet wheel supporting component 1, component slippage bearing 1-1 interference fit is installed in forerunner's planet wheel 23, forerunner's planet wheel 23 is set on assembly screw 1-2 by component slippage bearing 1-1 and dallies, assembly screw 1-2 one end is installed on planet by screw threads for fastening and controls on support 13, the other end is set with assembly back-up ring 1-3, and assembly back-up ring 1-3 is used for the axial limiting to forerunner's planet wheel 23; Rear-guard planet wheel supporting component 15 structure is consistent with forerunner's planet wheel supporting component 1.
The inner ring gear of front wheel driving mechanical axis 10 and the gear ratio of integrated sun gear 24 are α, and planet controls the inner ring gear of support 13 and the gear ratio of integrated sun gear 24 is also α; According to the drive characteristic of planetary gears, forerunner is inputted by integrated sun gear 24 and is fixed by planet control support 13, is exported by front wheel driving mechanical axis 10, and its velocity ratio is that-α "-" represents that front wheel driving mechanical axis 10 is contrary with integrated sun gear 24 rotating speed; Rear-guard is inputted by integrated sun gear 24 and fixes through planet control support 13, and exported by rear driving mechanical axis 18, its velocity ratio is 1+ α; Different by the velocity ratio exported, can realize travelling not of uniform size the causing between axle for vehicle of wheel and drive differential; Utilize forerunner to export this characteristic contrary to rear-guard output speed, the planet carrier of forerunner and the gear ring of rear-guard connected as one and forms planet and control support 13, when planet control support 13 rotate with certain speed time, shaft space difference speed effect can be played; Meanwhile, in order to overcome because forerunner exports the problem contrary with rear-guard output speed, by changing the transmission direction of arbitrary drive bevel gear of forerunner's differential mechanism or rear-guard differential mechanism.
Shown in Figure 5, front drive axle is consistent with back driving axle structure, and forerunner travel wheel be less than rear-guard travel wheel, differential mechanism normally travels without the need to having the velocity ratio mated during differential when front drive axle and back driving axle driven travel and take turns, as pressed shown in C direction in Fig. 1, driving shaft 9 is rotated counterclockwise under powered attendant-controlled wheelchairs driving, forerunner's planet wheel 23 and rear-guard planet wheel 14 is driven to rotate by integrated sun gear 24, under the effect of external motion resistance, forerunner's planet wheel 23 impels planet control support 13 to be rotated counterclockwise trend by forerunner's planet wheel supporting component 1, and rear-guard planet wheel 14 rear-guard planet wheel supporting component 15 impels planet to control support 13 to turn clockwise trend, the force direction that active force and forerunner's planet wheel 23 pairs of planets that rear-guard planet wheel like this 14 pairs of planets control support 13 control support 13 is contrary, power inputs rear portion through driving shaft 9 and drives front wheel driving mechanical axis 10 through forerunner's planet wheel 23, and pass through forerunner's gear 6 by transmission of power to front drive axle part, another part drives rear driving mechanical axis 18 through rear-guard planet wheel 14, and by the external splines on rear driving mechanical axis 18, transmission of power is as follows to back driving axle part carrying out practically state: suppose
Planet controls support 13 geo-stationary, and driving shaft 9 drives the angular velocity of front wheel driving mechanical axis 10 by forerunner's planet wheel 23 with rated speed: ω
1;
Now, the outside angular velocity feeding back to the front wheel driving mechanical axis 10 of differential mechanism that travels of front wheel driving mechanical axis 10 end is: ω
2;
Planet controls support 13 geo-stationary, and driving shaft 9 drives the angular velocity of rear driving mechanical axis 18 by rear-guard planet wheel 14 with rated speed: ω
3;
Now, the outside angular velocity feeding back to the rear driving mechanical axis 18 of differential mechanism that travels of rear driving mechanical axis 18 end is: ω
4;
Be subject to external influence when forerunner travels wheel 23 and impel ω
2< ω
1time, forerunner travels wheel 23 and planet control support 13 will be driven to rotate by forerunner's planet wheel supporting component 1, and the rotation of planet control support 13 will speed up the driving of rear-guard planet wheel 14 pairs of rear driving mechanical axis 18, i.e. ω
3become large, to increase driving rear-guard being travelled to wheel 14; Otherwise, be subject to external influence when rear-guard traveling wheel 14 and impel ω
4< ω
3time, rear-guard travels wheel 14 and transmission of power is controlled support 13 to planet, and the rotation of planet control support 13 will speed up the driving of forerunner's planet wheel 23 pairs of front wheel driving mechanical axis 10, i.e. ω
1become large, to increase driving forerunner being travelled to wheel 23, and then motivational drive between centers differential before and after realizing.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. planetary gear type vehicle interaxial differential, comprise casing, it is characterized in that, driving shaft is provided with in casing, driving shaft one end is installed in front wheel driving mechanical axis, and the other end is installed in rear driving mechanical axis, and front wheel driving mechanical axis is arranged in end cap, rear driving mechanical axis is installed in casing, and forerunner's gear is installed on front wheel driving mechanical axis; Planet controls support installing on driving shaft, and integrated sun gear is integrated on driving shaft; In addition, forerunner's planet wheel supporting component is identical with rear-guard planet wheel supporting component structure, forerunner's planet wheel controls on support by the uniform planet that is installed on of forerunner's planet wheel supporting component circumference, and forerunner's planet wheel engages with the inner ring gear of front wheel driving mechanical axis, integrated sun gear simultaneously, rear-guard planet wheel is installed on rear driving mechanical axis by rear-guard planet wheel supporting component circumference is uniform, and rear-guard planet wheel controls the inner ring gear of support with planet simultaneously, integrated sun gear engages.
2. planetary gear type vehicle interaxial differential according to claim 1, it is characterized in that, be also provided with forerunner's outside framework oil seal in end cap, and forerunner's outside framework oil seal is set on front wheel driving mechanical axis.
3. planetary gear type vehicle interaxial differential according to claim 1, it is characterized in that, be provided with initiatively outside framework oil seal in front wheel driving mechanical axis, when external impetus axle sleeve to be loaded on driving shaft by spline transferring power, initiatively outside framework oil seal is set on this external impetus axle.
4. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, be provided with the rear-guard outside framework oil seal for the sealing of rear driving mechanical axis dynamic rotary in casing, rear-guard outside framework oil seal is set on rear driving mechanical axis.
5. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, front wheel driving mechanical axis is provided with for carrying out spacing snap ring to forerunner's gear.
6. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, planet is controlled support and is installed on driving shaft by sliding bearing, and sliding bearing and driving shaft transition fit.
7. planetary gear type vehicle interaxial differential according to claim 1, it is characterized in that, forerunner's planet wheel supporting component comprises component slippage bearing, assembly screw, assembly back-up ring, component slippage bearing interference fit is installed in forerunner's planet wheel, forerunner's planet wheel is loaded on assembly screw by component slippage bearing housing and dallies, assembly screw one end is installed on planet by screw threads for fastening and controls on support, and the other end is set with assembly back-up ring.
8. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, end cap and casing coordinate to be installed and is connected fastening by end cap clamping bolt.
9. planetary gear type vehicle interaxial differential according to claims 1 to 8, it is characterized in that, without normal vehicle operation under the effect of external motion resistance, driving shaft is rotated counterclockwise under powered attendant-controlled wheelchairs driving, and drives forerunner's planet wheel and rear-guard planet wheel to rotate by integrated sun gear, and under the effect having external motion resistance, forerunner's planet wheel impels planet control support to be rotated counterclockwise trend by forerunner's planet wheel supporting component, and rear-guard planet wheel impels planet to control support by rear-guard planet wheel supporting component to turn clockwise trend, now, the active force that rear-guard planet wheel controls support to planet is contrary with the force direction that forerunner's planet wheel controls support to planet, when active force equal and opposite in direction, planet controls support and keeps geo-stationary, forerunner's planet wheel and rear-guard planet wheel indifferential Power output, when active force differs in size, planet controls support and produces relative movement, the power of one end is flowed to the other end, to realize shaft space difference speed.
10. planetary gear type vehicle interaxial differential according to claim 9, it is characterized in that, the concrete motion mode of shaft space difference speed is: power drives front wheel driving mechanical axis through driving shaft input rear portion through forerunner's planet wheel, and pass through forerunner's gear by transmission of power to front drive axle part, another part drives rear driving mechanical axis through rear-guard planet wheel, and by the spline on rear driving mechanical axis by transmission of power to back driving axle part; When driving shaft with rated speed by forerunner's planet wheel drive the angular velocity of front wheel driving mechanical axis be greater than front wheel driving mechanical axis end outside travel feed back to the angular velocity of differential mechanism front wheel driving mechanical axis time, forerunner travels wheel and planet will be driven to control support rotation by forerunner's planet wheel supporting component, and the rotation that planet controls support will speed up the driving of rear-guard planet wheel to rear driving mechanical axis, namely driving shaft drives the angular velocity of rear driving mechanical axis to increase, to increase driving rear-guard being travelled to wheel with rated speed; Otherwise, driving shaft with rated speed by rear-guard planet wheel drive the angular velocity of rear driving mechanical axis be greater than rear driving mechanical axis end outside travel feed back to the angular velocity of differential mechanism rear driving mechanical axis time, rear-guard travels wheel and transmission of power is controlled support to planet, the rotation that planet controls support accelerates forerunner's planet wheel to the driving of front wheel driving mechanical axis, namely driving shaft drives the angular velocity of front wheel driving mechanical axis to increase with rated speed, to increase driving forerunner being travelled to wheel, thus realize forerunner and travel wheel and travel the motivational drive between centers differential of taking turns with rear-guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359466.0A CN104088982B (en) | 2014-07-25 | 2014-07-25 | Planetary gear type inter-axle differential for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359466.0A CN104088982B (en) | 2014-07-25 | 2014-07-25 | Planetary gear type inter-axle differential for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104088982A CN104088982A (en) | 2014-10-08 |
| CN104088982B true CN104088982B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410359466.0A Expired - Fee Related CN104088982B (en) | 2014-07-25 | 2014-07-25 | Planetary gear type inter-axle differential for automobile |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015216975B4 (en) * | 2015-09-04 | 2021-02-04 | Schaeffler Technologies AG & Co. KG | Transmission device and electric drive unit with at least one electric machine and with the transmission device |
| CN105673784B (en) * | 2016-02-22 | 2019-03-15 | 常州工学院 | For the shaft space difference speed and transfer gear of two-axis gearbox and using its automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040048714A1 (en) * | 2002-06-14 | 2004-03-11 | Phelan Perry E. | Torque transfer assembly with planetary differential |
| US20060183589A1 (en) * | 2005-02-16 | 2006-08-17 | Jtekt Corporation | Rotation transmitting apparatus and vehicle steering apparatus |
| US20080287245A1 (en) * | 2007-05-15 | 2008-11-20 | Fuji Jukogyo Kabushiki Kaisha | Differential apparatus for vehicle |
| JP2009162337A (en) * | 2008-01-08 | 2009-07-23 | Univance Corp | Power transmission device |
| CN203023427U (en) * | 2013-01-07 | 2013-06-26 | 薛江涛 | Planetary differential gearshift mechanism |
| CN204004281U (en) * | 2014-07-25 | 2014-12-10 | 湖南农业大学 | Planetary gear type vehicle interaxial differential |
-
2014
- 2014-07-25 CN CN201410359466.0A patent/CN104088982B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040048714A1 (en) * | 2002-06-14 | 2004-03-11 | Phelan Perry E. | Torque transfer assembly with planetary differential |
| US20060183589A1 (en) * | 2005-02-16 | 2006-08-17 | Jtekt Corporation | Rotation transmitting apparatus and vehicle steering apparatus |
| US20080287245A1 (en) * | 2007-05-15 | 2008-11-20 | Fuji Jukogyo Kabushiki Kaisha | Differential apparatus for vehicle |
| JP2009162337A (en) * | 2008-01-08 | 2009-07-23 | Univance Corp | Power transmission device |
| CN203023427U (en) * | 2013-01-07 | 2013-06-26 | 薛江涛 | Planetary differential gearshift mechanism |
| CN204004281U (en) * | 2014-07-25 | 2014-12-10 | 湖南农业大学 | Planetary gear type vehicle interaxial differential |
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| Publication number | Publication date |
|---|---|
| CN104088982A (en) | 2014-10-08 |
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