CN108591414A - A kind of ball cage type differential mechanism - Google Patents
A kind of ball cage type differential mechanism Download PDFInfo
- Publication number
- CN108591414A CN108591414A CN201810509635.2A CN201810509635A CN108591414A CN 108591414 A CN108591414 A CN 108591414A CN 201810509635 A CN201810509635 A CN 201810509635A CN 108591414 A CN108591414 A CN 108591414A
- Authority
- CN
- China
- Prior art keywords
- lock plate
- gear
- planet
- differential mechanism
- side drive
- 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.)
- Granted
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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/28—Arrangements for suppressing or influencing the differential action, e.g. locking devices using self-locking gears or self-braking 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
Abstract
The present invention provides a kind of ball cage type differential mechanisms, belong to automobile technical field.This differential mechanism includes left side short axle, right side short axle, left side drive bevel gear, right side drive bevel gear, the first bevel planet gear, the second bevel planet gear, the first planet axis, the second planet axis, differential casing and driven gear ring, and the inner end of slide bar one is fixedly installed a lock plate one；The inner end of slide bar two is fixedly installed a lock plate two；It is embedded with several armature blocks in lock plate two, conductive coil is arranged in each armature block, a magnet ring is embedded in lock plate one, conductive coil can cut the magnetic field of magnet ring and form electric current；After conductive coil is powered, armature block can adsorb magnet ring.The present invention has many advantages, such as passively realize differential mechanism locking.
Description
Technical field
The invention belongs to automobile technical fields, are related to a kind of ball cage type differential mechanism.
Background technology
Automobile differential can make left and right (or forward and backward) driving wheel realize the mechanism rotated with different rotating speeds.Mainly by a left side
Right axle shaft gear, two planetary gears and tooth rest composition.Function be when automobile turning travel or on uneven road surface when driving,
So that left and right wheels is rolled with different rotating speeds, that is, ensures that both sides driving wheel makees PURE ROLLING.Differential mechanism is to adjust left and right
The speed discrepancy of wheel and device.In four-wheel drive, in order to drive four wheels, it is necessary to connect all wheels, such as
Fruit is mechanically coupled together by four wheels, and automobile cannot be rotated when curve driving with identical speed, in order to
It allows the almost the same property of automobile curve driving rotary speed, at this moment needs that center differential is added to adjust the rotating speed of front and back wheel
Difference.
At the same time the presence of differential mechanism, the non-synchronized operating for realizing both sides vehicle also affect passing through for automobile
Property, when such as unilateral vehicle slip, automobile can not be passed through by increasing rotating speed, and existing way is by the way that lock is arranged on differential mechanism
Locking mechanism realizes the synchronization of two short axles, in unilateral wheel-slip, make two wheels while have torque, and then make vehicle
Hollow area can be crossed, improve the passability of automobile.
But lockable mechanism is arranged in differential mechanism, not only makes the internal structure of differential mechanism complicated, and production cost significantly increases
Greatly, and artificial control lockable mechanism or the judgement by computer program are needed, realizes being turned on and off for lockable mechanism, so
And in many cases, vehicle because differential mechanism presence, unilateral vehicle loses torque and impacted to the safety of automobile,
Slippery road surface cannot be such as run through, to make vehicle mire down in mud, also the service life of vehicle is impacted, it is such as unilateral
Skid seriously to the wearing of vehicle, it is unilateral skid it is seriously unequal to the abrasion of the brake block of both sides vehicle.
In short, differential mechanism is unable to whether automatic decision needs locking, to avoid unilateral wheel from seriously skidding, not only influence
The comprehensive performance of differential mechanism, and the service life, comprehensive performance of other transmission parts and control unit to automobile have compared with
It is big to influence.
The application be intended to provide it is a kind of it is simple in structure, without electronically controlled program, without manual operation, automatic decision and fast
Fast locking differential improves the comprehensive performance of differential mechanism and the automobile equipped with this differential mechanism.
Invention content
In view of the above problems existing in the prior art, the purpose of the present invention is to provide a kind of ball cage type differential mechanism, this hairs
It is bright the technical problem to be solved is that how realizing when differential mechanism differential is larger, automatic locking.
Object of the invention can be realized by the following technical scheme：A kind of ball cage type differential mechanism, which is characterized in that this difference
Fast device includes left side short axle, right side short axle, left side drive bevel gear, right side drive bevel gear, the first bevel planet gear, the second row
Star bevel gear, the first planet axis, the second planet axis, differential casing and driven gear ring, the driven gear ring are fixed on differential mechanism
On the outer wall of shell, the left side drive bevel gear engages the first bevel planet gear and the second bevel planet gear, the right side simultaneously
Side drive bevel gear engages the first bevel planet gear and the second bevel planet gear simultaneously, and the left side drive bevel gear, right side pass
The installation cavity of a rectangle, the first row are formed between dynamic bevel gear, the first bevel planet gear and the second bevel planet gear
There is slide opening one, one internal spline of the slide opening to be connected with a slide bar one, outer end and the slide opening one of the slide bar one for the inner end of star axis
Between be connected with resetting spring one, the inner end of the slide bar one is fixedly installed a lock plate one；Second planet axis it is interior
There is slide opening two, two internal spline of the slide opening to be connected with slide bar two, are connected between the outer end and slide opening two of the slide bar two at end
The inner end of resetting spring two, the slide bar two is fixedly installed a lock plate two；
It is embedded with several armature blocks in the lock plate two, conductive coil, the lock plate one are arranged in each armature block
It is inside embedded with a magnet ring, the conductive coil can cut the magnetic field of magnet ring and form electric current；After the conductive coil is powered, rank
Iron block can adsorb magnet ring.
When left and right wheels rotating speed not for the moment, the traffic direction of lock plate one and lock plate two works as list on the contrary, form speed discrepancy
When side vehicle operation is many soon compared with other side vehicle, the speed discrepancy between lock plate one and lock plate two increases.
This programme gives birth to the principle of electricity, electric magnetisation using magnetic, and conductive coil is moved with respect to magnet ring, cuts the magnetic near magnet ring
, to form immediate current in conductive coil, the conductive coil with electric current makes around being located in armature block near armature block
The magnetic field with positive and negative anodes is formed, this case is rationally arranged, and makes the magnetic pole of the field pole and magnet ring on the contrary, to make lock plate
One and lock plate two attract each other, and then both make instantaneous touch, drive the first bevel planet gear and the second bevel planet gear phase
To static, that is, have and drive the first planet axis and the static trend of the second planet axis, makes left side drive bevel gear and right side transmission
Bevel gear is mutually locked, this in a flash, the differential action of differential mechanism disappears, and left side drive shafts are synchronouss with right side transmission shaft to transport
Row, in the ideal case, i.e., the adsorption capacity between lock plate one and lock plate two is sufficiently large, and the two moment is made to be combined as a whole,
Left side drive shafts and right side transmission shaft have equivalent torque, so that automobile is had good passability, in marsh slipperiness on roads
Situation disappears, and driver only needs to step on the gas by deep, so that engine is accelerated, keeps the rotating speed of the wheel of skidding sufficiently large, you can
Realize the differential locking of both sides vehicle.
Rational setting described above can be following scheme：Each armature block is by same conductive coil winding, conductive coil
Two end connectors are not closed, and downward, the magnetic induction line of magnet ring is directed downward for the poles magnet ring N；So that armature block conductive coil because cut magnetic
Feel line and form electric current, leads to the direction winding conductive coil of the poles S of armature block upward.
It is not difficult to find out, differential mechanism is improved by this programme, is not only simple in structure, exempt complicated differential mechanism locking
Mechanism is not necessarily to the setting of electric component, can be realized by pure mechanic structure.
At the same time, in this case, differential mechanism is not necessarily to manual operation, is not necessarily to the judgement and control of computer program, reliability pole
Height, safety, use cost and manufacturing cost are extremely low.
After both sides vehicle realizes locking, both sides vehicle obtains equivalent torque in moment, improves automobile on marsh road
The passability in face, after lock plate one and the combination of lock plate two, relative rotation speed pop-off between the two, the electricity of conductive coil
Stream disappears, and the magnetic field of armature block disappears, under the action of resetting spring one and resetting spring two, two wink of lock plate one and lock plate
Between detach, restore differential mechanism script drive mechanism, do not influence differential mechanism normal work and automobile differential operation.
In a kind of above-mentioned ball cage type differential mechanism, an end cover is rotatably connected in first planet axis, it is described
Be fixedly connected with a mounting cylinder in second planet axis, the end cover is set in the opening of mounting cylinder, the mounting cylinder and
End cover is located in the installation cavity.
The setting of mounting cylinder not only plays corrective action to the concentricity of the first planet axis and the second planet axis, but also
Lock plate one, lock plate two, armature block, conductive coil and magnet ring in installation cavity can also be protected, avoid it impaired
Or pollution failure, improve the reliability of differential mechanism.
In a kind of above-mentioned ball cage type differential mechanism, there is wearing layer one, on the lock plate two on the lock plate one
With the wearing layer two with one face of wearing layer.
In a kind of above-mentioned ball cage type differential mechanism, circumferentially it is evenly distributed on the end face of the lock plate one several anti-skidding
Protrusion, have on the lock plate two several with anti-skid bulge anti-skidding recess correspondingly.
Description of the drawings
Fig. 1 is the overall structure diagram of this differential mechanism.
In figure, 11, left side short axle；12, right side short axle；13, left side drive bevel gear；14, right side drive bevel gear；15、
First bevel planet gear；16, the second bevel planet gear；17, the first planet axis；18, the second planet axis；21, differential casing；
22, driven gear ring；31, installation cavity；32, end cover；33, mounting cylinder；41, slide opening one；42, slide bar one；43, resetting spring
One；44, lock plate one；45, slide opening two；46, slide bar two；47, resetting spring two；48, lock plate two；51, armature block；52, magnetic
Ring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, this differential mechanism includes left side short axle 11, right side short axle 12, left side drive bevel gear 13, right side transmission
Bevel gear 14, the first bevel planet gear 15, the second bevel planet gear 16, the first planet axis 17, the second planet axis 18, differential carrier
Body 21 and driven gear ring 22, driven gear ring 22 are fixed on the outer wall of differential casing 21, and left side drive bevel gear 13 is nibbled simultaneously
The first bevel planet gear 15 and the second bevel planet gear 16 are closed, right side drive bevel gear 14 engages the first bevel planet gear 15 simultaneously
With the second bevel planet gear 16, left side drive bevel gear 13, right side drive bevel gear 14, the first bevel planet gear 15 and the second row
The installation cavity 31 of a rectangle is formed between star bevel gear 16 4, the inner end of the first planet axis 17 has slide opening 1, slide opening one
41 internal splines are connected with a slide bar 1, and resetting spring 1, slide bar are connected between the outer end and slide opening 1 of slide bar 1
One 42 inner end is fixedly installed a lock plate 1；The inner end of second planet axis 18 has slide opening 2 45, is spent in slide opening 2 45
Key connection has slide bar 2 46, is connected with resetting spring 2 47 between the outer end and slide opening 2 45 of slide bar 2 46, slide bar 2 46 it is interior
End is fixedly installed a lock plate 2 48；
It is embedded with several armature blocks 51 in lock plate 2 48, conductive coil, lock plate 1 are arranged in each armature block 51
It is inside embedded with a magnet ring 52, conductive coil can cut the magnetic field of magnet ring 52 and form electric current；After conductive coil is powered, armature block
51 can adsorb magnet ring 52.
When left and right wheels rotating speed not for the moment, the traffic direction of lock plate 1 and lock plate 2 48 on the contrary, form speed discrepancy,
When the operation of unilateral vehicle is many soon compared with other side vehicle, the speed discrepancy between lock plate 1 and lock plate 2 48 increases.
This programme gives birth to the principle of electricity, electric magnetisation using magnetic, and conductive coil is moved with respect to magnet ring 52, is cut near magnet ring 52
Magnetic field, to form immediate current in conductive coil, the conductive coil with electric current makes armature block around being located in armature block 51
51 are formed about the magnetic field with positive and negative anodes, and this case is rationally arranged, make the magnetic pole of the field pole and magnet ring 52 on the contrary, to
So that lock plate 1 and lock plate 2 48 is attracted each other, and then both make instantaneous touch, drives the first bevel planet gear 15 and the
Two bevel planet gears 16 are opposing stationary, that is, have and drive the first planet axis 17 and the static trend of the second planet axis 18, make left side
Drive bevel gear 13 and right side drive bevel gear 14 are mutually locked, this in a flash, the differential action of differential mechanism disappears, left side
Transmission shaft and the synchronous operation of right side transmission shaft, in the ideal case, i.e., the adsorption capacity between lock plate 1 and lock plate 2 48
It is sufficiently large, so that the two moment is combined as a whole, left side drive shafts and right side transmission shaft have equivalent torque, and automobile is made to have very
Good passability, disappears in the case where marsh slipperiness on roads, and driver only needs to step on the gas by deep, so that engine is accelerated, makes
The rotating speed of the wheel of skidding is sufficiently large, you can realizes the differential locking of both sides vehicle.
Rational setting above, can be following scheme：Each armature block 51 is by same conductive coil winding, conductive coil two
End connector is not closed, and downward, the magnetic induction line of magnet ring 52 is directed downward for the poles magnet ring 52N；So that armature block 51 in conductive coil because cutting
It cuts magnetic induction line and forms electric current, lead to the direction winding conductive coil of the poles S of armature block 51 upward.
It is not difficult to find out, differential mechanism is improved by this programme, is not only simple in structure, exempt complicated differential mechanism locking
Mechanism is not necessarily to the setting of electric component, can be realized by pure mechanic structure.
At the same time, in this case, differential mechanism is not necessarily to manual operation, is not necessarily to the judgement and control of computer program, reliability pole
Height, safety, use cost and manufacturing cost are extremely low.
After both sides vehicle realizes locking, both sides vehicle obtains equivalent torque in moment, improves automobile on marsh road
The passability in face, after lock plate 1 and the combination of lock plate 2 48, relative rotation speed pop-off between the two, conductive coil
Current vanishes, the magnetic field of armature block 51 disappears, under the action of resetting spring 1 and resetting spring 2 47, lock plate 1
It detaches with 2 48 moment of lock plate, restores the drive mechanism of differential mechanism script, do not influence the normal work and automobile of differential mechanism
Differential is run.
It is rotatably connected to an end cover 32 in first planet axis 17, a mounting cylinder is fixedly connected in the second planet axis 18
33, end cover 32 is set in the opening of mounting cylinder 33, and mounting cylinder 33 and end cover 32 are located in installation cavity 31.
The setting of mounting cylinder 33 not only plays correction to the concentricity of the first planet axis 17 and the second planet axis 18 and makees
With, but also can to lock plate 1, lock plate 2 48, armature block 51, conductive coil and the magnet ring 52 in installation cavity 31 into
Row protection avoids its impaired or pollution failure, improves the reliability of differential mechanism.
There is wearing layer one on lock plate 1, there is the wearing layer two with one face of wearing layer on lock plate 2 48.
Alternatively, several anti-skid bulges, lock plate two are circumferentially evenly distributed on the end face of lock plate 1
Have on 48 several with anti-skid bulge anti-skidding recess correspondingly.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (4)
1. a kind of ball cage type differential mechanism, which is characterized in that this differential mechanism includes left side short axle (11), right side short axle (12), left side
Drive bevel gear (13), right side drive bevel gear (14), the first bevel planet gear (15), the second bevel planet gear (16), first
Planet axis (17), the second planet axis (18), differential casing (21) and driven gear ring (22), the driven gear ring (22) are fixed on
On the outer wall of differential casing (21), the left side drive bevel gear (13) while the first bevel planet gear of engagement (15) and second
Bevel planet gear (16), the right side drive bevel gear (14) while the first bevel planet gear of engagement (15) and the second planet bore tooth
It takes turns (16), the left side drive bevel gear (13), right side drive bevel gear (14), the first bevel planet gear (15) and the second planet
The installation cavity (31) of a rectangle is formed between bevel gear (16) four, the inner end of first planet axis (17) has slide opening one
(41), the slide opening one (41) internal spline is connected with a slide bar one (42), outer end and the slide opening one (41) of the slide bar one (42)
Between be connected with resetting spring one (43), the inner end of the slide bar one (42) is fixedly installed a lock plate one (44)；Described
There is slide opening two (45), the slide opening two (45) internal spline to be connected with slide bar two (46), the cunning for the inner end of two planet axis (18)
Resetting spring two (47) is connected between the outer end and slide opening two (45) of bar two (46), the inner end of the slide bar two (46), which is fixed, to be set
It is equipped with a lock plate two (48)；
Several armature blocks (51) are embedded in the lock plate two (48), conductive coil is arranged on each armature block (51), it is described
It is embedded with a magnet ring (52) in lock plate one (44), the conductive coil can cut the magnetic field of magnet ring (52) and form electric current；
After the conductive coil is powered, armature block (51) can adsorb magnet ring (52).
2. a kind of ball cage type differential mechanism according to claim 1, which is characterized in that the company of rotation on first planet axis (17)
It is connected to an end cover (32), a mounting cylinder (33), the end cover are fixedly connected on second planet axis (18)
(32) it is set in the opening of mounting cylinder (33), the mounting cylinder (33) and end cover (32) are located at the installation cavity (31)
It is interior.
3. a kind of ball cage type differential mechanism according to claim 1 or claim 2, which is characterized in that have on the lock plate one (44)
Wearing layer one has the wearing layer two with one face of wearing layer on the lock plate two (48).
4. a kind of ball cage type differential mechanism according to claim 1 or claim 2, which is characterized in that the end face of the lock plate one (44)
Upper circumferential direction is evenly distributed with several anti-skid bulges, has several one-to-one with anti-skid bulge on the lock plate two (48)
Anti-skidding recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509635.2A CN108591414B (en) | 2018-05-24 | 2018-05-24 | Ball cage type differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509635.2A CN108591414B (en) | 2018-05-24 | 2018-05-24 | Ball cage type differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591414A true CN108591414A (en) | 2018-09-28 |
| CN108591414B CN108591414B (en) | 2021-02-02 |
Family
ID=63629083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810509635.2A Active CN108591414B (en) | 2018-05-24 | 2018-05-24 | Ball cage type differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591414B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU668828A1 (en) * | 1976-08-10 | 1979-06-25 | Предприятие П/Я Р-6131 | Self-locking free-wheeling differential gear of a vehicle |
| US4574656A (en) * | 1984-03-12 | 1986-03-11 | Mccarthy Milton E H | Anti-skid apparatus |
| CN106224486A (en) * | 2016-08-31 | 2016-12-14 | 重庆宝进机械制造有限公司 | Damping differential mechanism based on turbine |
| CN106246863A (en) * | 2016-08-31 | 2016-12-21 | 重庆宝进机械制造有限公司 | Magnetic flow liquid formula damping differential mechanism |
-
2018
- 2018-05-24 CN CN201810509635.2A patent/CN108591414B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU668828A1 (en) * | 1976-08-10 | 1979-06-25 | Предприятие П/Я Р-6131 | Self-locking free-wheeling differential gear of a vehicle |
| US4574656A (en) * | 1984-03-12 | 1986-03-11 | Mccarthy Milton E H | Anti-skid apparatus |
| CN106224486A (en) * | 2016-08-31 | 2016-12-14 | 重庆宝进机械制造有限公司 | Damping differential mechanism based on turbine |
| CN106246863A (en) * | 2016-08-31 | 2016-12-21 | 重庆宝进机械制造有限公司 | Magnetic flow liquid formula damping differential mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108591414B (en) | 2021-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2810942C (en) | Integrated electro-mechanical powertrain system for hybrid vehicles | |
| CN105593049B (en) | The real four-wheel drive system of vehicle | |
| CN201836333U (en) | Electric wiring and electronically-controlled locking differential gear with logic control electric wiring | |
| CN108591413A (en) | A kind of oil immersed type differential mechanism | |
| WO2017100550A1 (en) | Locking differential assembly | |
| CN108944404A (en) | Vehicle chassis and vehicle with it | |
| CN106678327B (en) | Differential assembly | |
| CN108591414A (en) | A kind of ball cage type differential mechanism | |
| US20090107741A1 (en) | Limited Slip Differential For Electric Vehicle | |
| CN205220369U (en) | Realize car four wheel drive's transmission | |
| CN108644344A (en) | A kind of limited-slip differential | |
| CN104613136B (en) | The two gear speed-changeable electric vehicle rear axle reductor assemblies with electromagnetism bidirectional clutch | |
| CN102328582A (en) | Electric automobile with electric self-driven wheels | |
| CN105398288A (en) | Drive axle for electric vehicle | |
| CN102328581A (en) | Electric self-driven wheel | |
| CN202180739U (en) | Electric sedan with electric power self-driving wheels | |
| CN102328579A (en) | Vehicle driving motor with electric antilock braking device | |
| CN201941525U (en) | Auto-joggle device for front bridge of four-wheel driven cross-country cars | |
| CN105202147B (en) | Automobile differential with anti-skidding latch functions | |
| CN206221605U (en) | A kind of differential lock and differential mechanism of automatically controlled locking | |
| CN205136511U (en) | Differential mechanism for vehicle with antiskid locking function | |
| CN102211632B (en) | Wheel drive and power generation structure | |
| CN103115116B (en) | Can independently short-time four-wheel independent axes be driven to export transfer case in front and back | |
| CN103742622B (en) | A kind of differential lock | |
| CN205034163U (en) | Motor vehicle throttle brake warning steering wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |