CN102518718B - Automobile electromechanical brake - Google Patents
Automobile electromechanical brake Download PDFInfo
- Publication number
- CN102518718B CN102518718B CN2011104071303A CN201110407130A CN102518718B CN 102518718 B CN102518718 B CN 102518718B CN 2011104071303 A CN2011104071303 A CN 2011104071303A CN 201110407130 A CN201110407130 A CN 201110407130A CN 102518718 B CN102518718 B CN 102518718B
- Authority
- CN
- China
- Prior art keywords
- leading screw
- motor
- push rod
- friction plate
- electromechanical brake
- 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.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention discloses an automobile electromechanical brake, which comprises a front floating caliper and a floating caliper block. The front floating caliper is connected with a front friction disc, the floating caliper block is connected with a back friction disc through a nut-piston, a brake disc is arranged between the front friction disc and the back friction disc, and the nut-piston is connected with a motor through a boosting linkage and is connected with a gap regulating mechanism. The motor pushes the back friction disc and the front friction disc to attach onto the brake disc by the boosting linkage, thereby realizing braking. The automobile electromechanical brake has a gap regulating function, and gaps among the brake disc and the friction discs can be regulated freely, so that constancy of the brake response speed of automobiles is guaranteed and braking performance is guaranteed further. The automobile electromechanical brake is fine in braking performance, simple in structure, convenient in installation, easy to maintain and low in energy consumption.
Description
Technical field
The present invention relates to a kind of brake system of car, be specifically related to a kind of automobile electromechanical brake.
Background technique
Automobile is as a kind of ground traffic tools, and travelling, turning to, stop is its three fundamental functions, and wherein parking function is that braking system by automobile completes." safety, energy-saving and environmental protection " are three large themes of automobile future development, and braking system, as an important component part of automobile, directly has influence on the Security of automobile running.Along with the development of modern science and technology, the Consumer improves day by day to the requirement of vehicle safety performance simultaneously, and brake system of car is also constantly developed.Existing brake system of car all is based on traditional hydraulic braking sytem, implant the ABS(anti-lock braking system), the TCS(traction control system), ESP(body electronics stable system) etc. realize.
But on the one hand, along with environmental deterioration, resource shortage, people pay close attention to and advocate " green energy resource " more, traditional hydraulic system will progressively be replaced by renewable energy sources, therefore researches and develops electromechanical brake to the very large meaning of preserving the ecological environment; On the other hand, existing braking system because its oil hydraulic circuit easily reveals, brakes that corresponding speed is slow, pedal poor performance, assembling maintenance difficulty be large, be difficult for the shortcoming such as module integration, impels people to develop brake system of car of new generation, i.e. line control brake system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automobile electromechanical brake, and it has running braking function, parking braking function and clearance adjustment function concurrently.
For solving the problems of the technologies described above, the technical solution of automobile electromechanical brake of the present invention is:
Comprise front side floating clamp 1, unsteady caliper 7, front side floating clamp 1 connects front friction plate 23, and the caliper 7 that floats connects rear friction plate 22 by nut piston 21, between front friction plate 23 and rear friction plate 22, is provided with brake disc 2; Nut piston 21 connects motor 15 by reinforcement linkage mechanism 8; Nut piston 21 joint gap controlling mechanisms 19; After motor 15 promotes by reinforcement linkage mechanism 8, friction plate 22 and front friction plate 23 are pressed close to brake disc 2, realize braking.
Described nut piston 21 connects an end of the second leading screw 3 by a plurality of nuts, the other end of the second leading screw 3 is flexibly connected screw rod bushing 5; Be arranged with adjusting element 4 on the second leading screw 3; Described gap adjusting mechanism 19 is arranged at the below of adjusting element 4; Screw rod bushing 5 is flexibly connected by left connection hinge 26 and one of them fork of reinforcement linkage mechanism 8, and another fork of reinforcement linkage mechanism 8 is flexibly connected by right connection hinge 11 and the rear end of unsteady caliper 7; Two connecting rods of reinforcement linkage mechanism 8 are connected with leading screw push rod 9 by hinge; Leading screw push rod 9 connects the first leading screw 12, the first leading screws 12 to be realized being threaded with the output shaft of motor 15 by a plurality of nuts; The nut that rotarily drives of motor 15 output shafts rotates, and drives the first leading screw 12 to move axially, and realizes rotatablely moving of motor 15 is converted into to straight line motion.
Described gap adjusting mechanism 19 comprises cone push rod 192, fixed cover 191, and cone push rod 192 is arranged at the below of described adjusting element 4, and the shaft of cone push rod 192 is arranged in fixed cover 191, and the shaft of cone push rod 192 is arranged with Compress Spring 194; The bottom of cone push rod 192 is provided with electromagnet 193.Described electromagnet 193 is electrically connected to electronic control unit 0 by pilot 195; Described motor 15 is controlled by electronic control unit 0.
Between the Input Forces F of described reinforcement linkage mechanism 8 and ouput force Fo, relation meets:
Wherein: the axial force that F is leading screw push rod 9,
The axial force that Fo is nut piston 21,
N is into the thrust of two connecting rods of the reinforcement linkage mechanism 8 of V-type,
θ is connecting rod and horizontal angle,
The fork overall length that L is reinforcement linkage mechanism 8,
L is the distance between left connection hinge 26 and fixed hinge 13.
Described motor 15 is arranged on motor base 16; Motor base 16 is flexibly connected by the rear end of sliding bar 14,17 and unsteady caliper 7, and motor base 16 can be moved with respect to unsteady caliper 7.
The other end of described the second leading screw 3 is flexibly connected screw rod bushing 5 by thrust ball bearing 6.
Be provided with seal ring 20 between described nut piston 21 and unsteady caliper 7; Perhaps the piston cylinder of nut piston 21 is square-section; Perhaps nut piston 21 is provided with the sliding bar of guiding use.
Described adjusting element 4 is cylindrical gears.
The technique effect that the present invention can reach is:
The present invention can solve that the reinforcement effect of brake with gap between existing electronics is not good, the problem of gapless regulatory function.
The present invention adopts the reinforcement linkage mechanism, and Input Forces, through twice amplification, has good reinforcement effect, can reduce required input energy; The present invention has service brake, the gap function from main regulation, parking braking simultaneously.
The present invention has good clearance adjustment function, can carry out free adjustment to the gap between brake disc and friction plate, to guarantee the constancy of car brakeing speed of response, further ensures braking ability.
Braking ability of the present invention is good, simple in structure, easy for installation, be easy to safeguard, consuming little energy.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of automobile electromechanical brake of the present invention;
Fig. 2 is the structural representation of gap adjusting mechanism of the present invention;
Fig. 3 is the stressed schematic diagram that concerns of reinforcement linkage mechanism of the present invention.
Description of reference numerals in figure:
1 is the front side floating clamp; 2 is brake disc;
3 is the second leading screw; 4 is cylindrical gears;
5 is screw rod bushing; 6 is thrust ball bearing;
7 is the caliper that floats; 8 is the reinforcement linkage mechanism;
9 is the leading screw push rod; 10 is the hinge support plate;
11 is right connection hinge; 12 is the first leading screw;
13 is fixed hinge; 14 is the first sliding bar;
15 is motor; 16 is motor base;
17 is the second sliding bar; 18 for controlling dunnage;
19 is gap adjusting mechanism; 20 is seal ring;
21 is nut piston; 22 is rear friction plate;
23 is front friction plate; 24 is the friction plate supporting frame;
25 is bolt; 26 is left connection hinge;
191 is fixed cover; 192 is cone push rod;
193 is electromagnet; 194 is Compress Spring;
195 is pilot; 0 is electronic control unit (ECU).
Embodiment
As shown in Figure 1, automobile electromechanical brake of the present invention, comprise front side floating clamp 1, unsteady caliper 7, front side floating clamp 1 connects front friction plate 23 by friction plate supporting frame 24, friction plate 22 after the front end of unsteady caliper 7 connects by nut piston 21, be provided with brake disc 2 between front friction plate 23 and rear friction plate 22;
Between nut piston 21 and unsteady caliper 7, for being fixedly connected with, nut piston 21 can't be realized rotation with respect to unsteady caliper 7, can only together with unsteady caliper 7, move axially;
Can be provided with seal ring 20 between nut piston 21 and unsteady caliper 7; Perhaps the piston cylinder of nut piston 21 is square-section; Perhaps nut piston 21 is provided with the sliding bar of guiding use;
Another fork of reinforcement linkage mechanism 8 is connected with the rear end of unsteady caliper 7 by right connection hinge 11 and hinge support plate 10; Two connecting rods of reinforcement linkage mechanism 8 are connected with leading screw push rod 9 by hinge; Reinforcement linkage mechanism 8 utilizes the reinforcement effect at dead point, when the angle between two connecting rods of reinforcement linkage mechanism 8 approaches 180 while spending, can reach very large reinforcement effect; Reinforcement linkage mechanism 8 adopts the secondary boosting mechanism, the axial force that comes from leading screw push rod 9 can be amplified, thereby play the effect of amplifying ouput force;
Leading screw push rod 9 connects the first leading screw 12, the first leading screws 12 to be realized being threaded with the output shaft of motor 15 by a plurality of nuts; The nut that rotarily drives of motor 15 output shafts rotates, and drives the first leading screw 12 to move axially, and realizes rotatablely moving of motor 15 is converted into to straight line motion; Motor 15 is controlled by electronic control unit 0;
Two forks of reinforcement linkage mechanism 8 are fixedly supported on motor base 16 by fixed hinge 13;
As shown in Figure 2, control between dunnage 18 and screw rod bushing 5 and be fixedly connected with by bolt 25;
Working principle of the present invention is:
When break is braked (rise), need make nut piston 21 be moved to the left until, make the electromagnet 193 of being controlled by electronic control unit 0 unclamp cone push rod 192; Cone push rod 192 moves upward under the effect of Compress Spring 194, and cone push rod 192 is withstood cylindrical gears 4, and the second leading screw 3 be connected with cylindrical gears 4 can't be rotated, and nut piston 21 is because the rubbing action of seal ring 20 can not rotate yet simultaneously; Now just can promote reinforcement linkage mechanism 8 by motor 15, make the fork of reinforcement linkage mechanism 8 promote screw rod bushing 5, the second leading screw 3, nut piston 21, after final the promotion, friction plate 22 is pressed close to brake disc 2; Meanwhile, another fork of reinforcement linkage mechanism 8 promotes unsteady caliper 7 by right connection hinge 11 and moves in the opposite direction, drive front side floating clamp 1 and promote fixed front friction plate 23 on it and also press close to brake disc 2, so just produced braking moment, realize the braking to wheel;
During backhaul, disable motor 15, make the fork return of reinforcement linkage mechanism 8, and fork drives the second leading screw 3 and moves right together with nut piston 21, releasing brake; Make electromagnet 193 hold cone push rod 192, cone push rod 192 is separated with cylindrical gears 4, now the second leading screw 3 can freely rotate;
Because this break is disc brake with floating caliper, if rear friction plate 22 does not does not wear and tear, the axial return amount of nut piston 21, the second leading screw 3 and screw set 5 is the setting gap L, sets gap L and is the gap between rear friction plate 22 and brake disc 2;
If rear friction plate 22 weares and teares, the axial return amount of screw set 5 should be setting gap L+△, the wear extent that △ is rear friction plate 22, and L is the gap sum of two floating clamps and brake disc 2 herein; And nut piston 21 mobile L under the effect of seal ring 20, at this moment needing nut piston 21 and the second leading screw 3 to produce the backlash compensation of △ could friction compensation sheet 22,23 and the wearing clearance △ of 2 of brake discs, therefore the pass between the axial force F 2 of the frictional force F1 of needs assurance seal ring 20 and nut piston 21 and the second leading screw 3 and nut piston 21 is: F1 > F2, could in compensation process, guarantee, thereby the second leading screw 3 and nut piston 21 rotate and produce nose balance amount △, and nut piston 21 does not relatively rotate with unsteady caliper 7.
The present invention is provided with gap adjusting mechanism 19, utilizes coordinating between cylindrical gears 4 and automatically controlled cone push rod 192, realizes the unidirectional control to the second leading screw 3.During rise, electromagnet 193 unclamps cone push rod 192, and cone push rod 192 is withstood cylindrical gears 4, the second leading screws 3 and can't be rotated, thereby guarantees axial being rigidly connected; During backhaul, electromagnet 193 holds cone push rod 192, the second leading screws 3 can axial rotation, thereby the wear extent of friction plate 22 after compensation realizes backlash compensation.
The reinforcement effect of reinforcement linkage mechanism 8 of the present invention is fairly obvious, as shown in Figure 3,
The axial force that the Input Forces F of reinforcement linkage mechanism 8 is leading screw push rod 9, the axial force that ouput force Fo is nut piston 21, the thrust of two connecting rods of the reinforcement linkage mechanism 8 of one-tenth V-type is N, connecting rod and horizontal angle are θ, the fork overall length of reinforcement linkage mechanism 8 is L, distance between left connection hinge 26 and fixed hinge 13 is l, and the stressed relation according in above-mentioned geometrical relationship and linkage mechanism can obtain:
If get L/l=3, θ=5 °, Fo=17.15F.Can find out to there is into the relation of multiple between Fo and F.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.
Claims (7)
1. an automobile electromechanical brake, it is characterized in that: comprise front side floating clamp (1), unsteady caliper (7), front side floating clamp (1) connects front friction plate (23), friction plate (22) after the caliper (7) that floats connects by nut piston (21), be provided with brake disc (2) between front friction plate (23) and rear friction plate (22); Nut piston (21) connects motor (15) by reinforcement linkage mechanism (8); Nut piston (21) joint gap controlling mechanism (19); After motor (15) promotes by reinforcement linkage mechanism (8), friction plate (22) and front friction plate (23) are pressed close to brake disc (2), realize braking;
Described nut piston (21) connects an end of the second leading screw (3) by a plurality of nuts, the other end of the second leading screw (3) is flexibly connected screw rod bushing (5); Be arranged with adjusting element (4) on the second leading screw (3); Described gap adjusting mechanism (19) is arranged at the below of adjusting element (4);
Screw rod bushing (5) is flexibly connected by left connection hinge (26) and one of them fork of reinforcement linkage mechanism (8), and another fork of reinforcement linkage mechanism (8) is flexibly connected by right connection hinge (11) and the rear end of unsteady caliper (7); Two connecting rods of reinforcement linkage mechanism (8) are connected with leading screw push rod (9) by hinge;
Leading screw push rod (9) connects the first leading screw (12), and the first leading screw (12) is realized being threaded with the output shaft of motor (15) by a plurality of nuts; The nut that rotarily drives of motor (15) output shaft rotates, and drives the first leading screw (12) to move axially, and realizes rotatablely moving of motor (15) is converted into to straight line motion.
2. automobile electromechanical brake according to claim 1, it is characterized in that: described gap adjusting mechanism (19) comprises cone push rod (192), fixed cover (191), cone push rod (192) is arranged at the below of described adjusting element (4), the shaft of cone push rod (192) is arranged in fixed cover (191), and the shaft of cone push rod (192) is arranged with Compress Spring (194); The bottom of cone push rod (192) is provided with electromagnet (193).
3. automobile electromechanical brake according to claim 2 is characterized in that: described electromagnet (193) is electrically connected to electronic control unit (0) by pilot (195); Described motor (15) is controlled by electronic control unit (0).
4. automobile electromechanical brake according to claim 1, it is characterized in that: described motor (15) is arranged on motor base (16); Motor base (16) is flexibly connected by sliding bar (14,17) and the rear end of unsteady caliper (7), and motor base (16) can be moved with respect to unsteady caliper (7).
5. automobile electromechanical brake according to claim 1 is characterized in that: the other end of described the second leading screw (3) is flexibly connected screw rod bushing (5) by thrust ball bearing (6).
6. automobile electromechanical brake according to claim 1, is characterized in that: between described nut piston (21) and unsteady caliper (7), be provided with seal ring (20); Perhaps the piston cylinder of nut piston (21) is square-section; Perhaps nut piston (21) is provided with the sliding bar of guiding use.
7. automobile electromechanical brake according to claim 1, it is characterized in that: described adjusting element (4) is cylindrical gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104071303A CN102518718B (en) | 2011-12-09 | 2011-12-09 | Automobile electromechanical brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104071303A CN102518718B (en) | 2011-12-09 | 2011-12-09 | Automobile electromechanical brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518718A CN102518718A (en) | 2012-06-27 |
| CN102518718B true CN102518718B (en) | 2013-12-04 |
Family
ID=46289747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104071303A Active CN102518718B (en) | 2011-12-09 | 2011-12-09 | Automobile electromechanical brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102518718B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611474A (en) * | 2019-01-02 | 2019-04-12 | 安徽理工大学 | A kind of electromechanical braking method parked based on disk spring |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671635B (en) * | 2013-12-10 | 2015-11-11 | 山东交通学院 | A kind of reinforcement type electromagnetic mechanical brake |
| CN104565143B (en) * | 2015-01-12 | 2016-12-28 | 安徽嘉瑞达汽车部件制造有限公司 | One is automatically adjusted caliper |
| CN104895961A (en) * | 2015-06-05 | 2015-09-09 | 魏伯卿 | Anti-locking mechanical brake |
| CN105889374B (en) * | 2016-02-22 | 2018-05-04 | 浙江大学台州研究院 | A kind of control method of electromechanical brake gap adjustment |
| CN108223624B (en) * | 2016-12-22 | 2020-08-07 | 比亚迪股份有限公司 | Electric brake and vehicle with same |
| CN109424665B (en) * | 2017-08-29 | 2020-10-20 | 比亚迪股份有限公司 | Disc brake and vehicle |
| CN109424668B (en) * | 2017-08-29 | 2020-08-25 | 比亚迪股份有限公司 | Disc brake and vehicle |
| CN109424667B (en) * | 2017-08-29 | 2020-11-06 | 比亚迪股份有限公司 | Disc brake and vehicle |
| CN109424670B (en) * | 2017-08-29 | 2021-08-10 | 比亚迪股份有限公司 | Disc brake and vehicle |
| CN109552280A (en) * | 2017-09-26 | 2019-04-02 | 比亚迪股份有限公司 | Line control brake system and vehicle |
| CN108068786A (en) * | 2017-12-20 | 2018-05-25 | 合肥工业大学 | A kind of electro-mechanical brake apparatus |
| CN110469602B (en) * | 2019-07-27 | 2021-02-02 | 浙江师范大学 | Self-energizing wire control actuator |
| CN110486392B (en) * | 2019-07-27 | 2021-02-02 | 浙江师范大学 | Self-energizing wire control actuator |
| CN110454523B (en) * | 2019-09-03 | 2020-07-03 | 重庆中车四方所智能装备技术有限公司 | Rocker arm type mechanical brake of motor for wind power |
| CN110701221B (en) * | 2019-10-19 | 2020-09-22 | 山东理工大学 | Two-way synchronous reinforcement type electromechanical brake actuator based on linear motor |
| CN112025836B (en) * | 2020-08-18 | 2022-01-11 | 河南经贸职业学院 | Special table of multi-functional accounting |
| CN112594302A (en) * | 2021-01-18 | 2021-04-02 | 上海麦斌汽车用品有限公司 | Brake auxiliary device capable of always keeping maximum brake effect |
| CN115257675B (en) * | 2022-07-15 | 2024-04-12 | 重庆长安汽车股份有限公司 | Electromechanical braking structure, braking system, automobile and design method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148894A (en) * | 1990-10-11 | 1992-09-22 | Allied-Signal Inc. | Disk brake/parking brake with threaded piston rod and motor |
| CN201041210Y (en) * | 2007-06-08 | 2008-03-26 | 江苏大学 | Vehicular electronic machine brake device |
| CN201284805Y (en) * | 2008-07-29 | 2009-08-05 | 奇瑞汽车股份有限公司 | Electromagnetic braking apparatus |
| CN202371065U (en) * | 2011-12-09 | 2012-08-08 | 浙江大学台州研究院 | Automotive electronic mechanical brake |
-
2011
- 2011-12-09 CN CN2011104071303A patent/CN102518718B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148894A (en) * | 1990-10-11 | 1992-09-22 | Allied-Signal Inc. | Disk brake/parking brake with threaded piston rod and motor |
| CN201041210Y (en) * | 2007-06-08 | 2008-03-26 | 江苏大学 | Vehicular electronic machine brake device |
| CN201284805Y (en) * | 2008-07-29 | 2009-08-05 | 奇瑞汽车股份有限公司 | Electromagnetic braking apparatus |
| CN202371065U (en) * | 2011-12-09 | 2012-08-08 | 浙江大学台州研究院 | Automotive electronic mechanical brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611474A (en) * | 2019-01-02 | 2019-04-12 | 安徽理工大学 | A kind of electromechanical braking method parked based on disk spring |
| CN109611474B (en) * | 2019-01-02 | 2020-04-21 | 安徽理工大学 | Electromechanical braking method based on disc spring parking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102518718A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518718B (en) | Automobile electromechanical brake | |
| CN102853000B (en) | Automobile brake controlled by wire | |
| CN105736606B (en) | A kind of automobile electromechanical brake with clearance adjustment function | |
| CN105805192B (en) | A kind of dual-wedge formula automobile electromechanical brake | |
| CN205578558U (en) | Automotive electronics mechanical brake with clearance adjustment function | |
| CN102537140B (en) | Wedge-shaped self-power-increasing disc brake | |
| CN1646823A (en) | Motor vehicle brake system comprising a parking brake function and electromechanical wheel brake for such a motor vehicle brake system | |
| CN202371065U (en) | Automotive electronic mechanical brake | |
| CN203836031U (en) | Pneumatic floating caliper disc brake with intelligent compensation device | |
| CN102518711B (en) | Vehicle electronic mechanical brake with gap regulating function | |
| CN102758868A (en) | Electric brake | |
| CN102996684A (en) | High-reinforcement disk brake | |
| CN102107655B (en) | Electronic machine braking device | |
| CN110425236A (en) | A kind of self energizing effort brake-by-wire device | |
| CN102384190B (en) | Electromechanical brake and automobile | |
| CN202468802U (en) | State self-locking remaining brake | |
| CN106274968A (en) | A kind of Wedge type rail vehicle motor drives friction stopping device | |
| CN203585158U (en) | Toggle rod type electronic mechanical brake | |
| CN203098698U (en) | Hydraulic dry friction brake gap adjustment structure for vehicle drive axle | |
| CN204592094U (en) | A kind of vehicle electric brake final controlling element | |
| CN103644217A (en) | Toggle-rod-boosted electromechanical brake | |
| CN200992194Y (en) | Pure-disc type mechanical parking brake | |
| CN109899413A (en) | Heavy-duty car electric-controlled mechanical disk brake | |
| CN201344216Y (en) | Disk-type mechanical parking brake | |
| CN214304948U (en) | Toggle rod boosting type electronic mechanical brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |