CN107554510A - A kind of electric motor protecting type electric control braking booster - Google Patents
A kind of electric motor protecting type electric control braking booster Download PDFInfo
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- CN107554510A CN107554510A CN201710977635.0A CN201710977635A CN107554510A CN 107554510 A CN107554510 A CN 107554510A CN 201710977635 A CN201710977635 A CN 201710977635A CN 107554510 A CN107554510 A CN 107554510A
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- fixedly mounted
- housing unit
- motor
- drag
- line
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
The invention discloses a kind of electric motor protecting type electric control braking booster; including motor, transmission mechanism, pedal input mechanism, housing unit, electronic control unit, master cylinder and fluid reservoir; the pedal input mechanism is fixedly mounted on the rearward end of housing unit; the motor is fixedly mounted on the bottom of housing unit; the master cylinder is fixedly mounted on the leading section of housing unit; the other end of the master cylinder is also installed with a fluid reservoir, and the transmission mechanism is fixedly mounted on the inner end of housing unit；The present invention is by being arranged with an annular electro hood in the outer surface of motor, and coat glue with housing unit junction in motor cover or sealed with rubber ring, annular electro hood at motor connection from rubber ring with also being sealed simultaneously, effectively realize the waterproof measure of motor, meet that booster assembly is arranged in the use environment requirement of enging cabin, extend the service life of motor.
Description
Technical field
The invention belongs to automobile brake booster field, and in particular to a kind of electric motor protecting type is automatically controlled
Brake booster.
Background technology
Orthodox car brake booster is mostly vacuum booster form.Orthodox car brakes is mostly hydraulic type,
Driver tramples brake pedal, promotes pedal input lever to promote master cylinder, and vacuum booster simultaneously also applies brake boost
In pedal input lever, two parts power acts on to produce axial thrust to master cylinder simultaneously.The system of master cylinder and four wheels
Moving calipers plunger shaft is transferred to wheel cylinder, the piston of end without loss substantially equivalent to linker structure, the liquid pressure of master cylinder
It is axially moved and clamps brake disc to produce brake force.
During using hydraulic type brakes, the power that driver tramples brake pedal produces after foot pedal lever is than amplification
Master cylinder piston thrust, and then caused hydraulic coupling is not enough to provide the hydraulic coupling needed for vehicle brake hard, or conventional brake
When still need to trample larger power, make the conventional tired weight of driving brake operating.
Vacuum booster can produce necessary axial thrust and act on brake master cylinder piston.Single-iris vacuum booster
It is divided to front and rear two chamber by diaphragm, air inlet pipeline of the front and rear chamber all with internal combustion engine communicates and be maintained at negative pressure shape in non-artificial operation
State.People's pin can open the air door of back cavity when acting on vacuum booster, back cavity has air to enter pusher dynamic diaphragm to ante-chamber
Motion, producing axial thrust acts on master cylinder piston simultaneously for the motion.
The power unit of orthodox car is internal combustion engine form, and such as gasoline engine or diesel engine, it is rushed using air inlet
The action of journey piston air-breathing forms negative pressure state in air inlet pipeline.Chamber is also negative pressure shape before and after the vacuum booster being attached thereto
State.
New-energy automobile majority power unit is motor, and produces vacuum source without internal combustion engine.Therefore additional electric driving air pump is to
Some vacuum booster pumpings are to form negative pressure as a kind of settling mode of new-energy automobile brake boost.
Above is referred to the total member of a variety of brakes, space-consuming is big, with high costs, and noise is big, short life, and is not present
Respond the automatically controlled and Mechanical Fundamentals of vehicle electric-control system instruction, it is impossible to meet unpiloted active brake functional requirement.It is therefore right
In the unmanned upgrading of orthodox car and the braking requirement of new-energy automobile, it is required to a kind of response vehicle instruction and performs system
Dynamic, volume compact and independent of the electromechanical integration brake booster of vacuum source.
Existing such product such as BOSCH iBooster, double turbine gear shafts are driven using worm screw, promote the transmission of rack
Form, motor are integrated with assembly shell design.The electric control braking booster of this kind of form need to individually develop motor and motor is attached
Part, and the existing batch DC brushless motor in market is not selected, this largely increases the R＆D costs of product.
Meanwhile existing traditional motor is mostly directly exposed in outer surface, waterproof guarantor effectively can not be carried out to motor
Shield, considerably increase the breakage rate of motor.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of protection that can effectively realize to motor
Moment of torsion and rotating speed are transferred to master cylinder by processing, Controlled by micro computer unit driving DC brushless motor by mechanical transmission mechanism
Piston, the action that brake pedal is trampled according to driver provide corresponding brake boost to produce master cylinder hydraulic pressure, while can
Receive the brake request of vehicle electric-control system and the electric motor protecting type electric control braking booster performed.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of electric motor protecting type electric control braking power-assisted
Device, its innovative point are：Including motor, transmission mechanism, pedal input mechanism, housing unit, electronic control unit, master cylinder
And fluid reservoir, the pedal input mechanism are fixedly mounted on the rearward end of housing unit, the motor is fixedly mounted on housing group
The bottom of part, the master cylinder are fixedly mounted on the leading section of housing unit, and the other end of the master cylinder is also fixed
One fluid reservoir is installed, the transmission mechanism is fixedly mounted on the inner end of housing unit；
The motor is installed with a motor cover with housing unit junction outer face, and the motor cover is annular hollow knot
Structure, the motor cover are installed with a sealing device with housing unit contact surface, and the motor cover is fixed with motor interface
One rubber washer is installed.
Further, the sealing device is from one kind in glue, rubber washer.
Further, the master cylinder is made up of shell, piston and push rod, and the piston and push rod are coaxially connected and pushed away
Bar can axially promote piston close to the end face of piston, and the upper end of the shell also has additional two charging lines, and fluid reservoir leads to
Cross charging line to be fixedly connected with master cylinder, push rod is square structure.
Further, main chamber and secondary chamber are offered in the housing unit, the electronic control unit is fixedly mounted on pair
Intracavitary, the transmission mechanism are fixedly mounted in main chamber, and a master is also installed between the housing unit and master cylinder
Cylinder installation switching pad.
Further, the transmission mechanism includes bevel pinion, bevel gear wheel, leading screw and feed screw nut, the small bevel gear
Wheel is connected with bevel gear wheel, and the bevel pinion is fixedly connected with motor by axle, the feed screw nut peace
Mounted in the outer end of leading screw, the bevel gear wheel is fixedly mounted on the outer end of feed screw nut, the feed screw nut away from big
One end of bevel gear is horn mouth hollow structure, and running through in the leading screw along axis direction has a square opening, the square knot
Square opening in the push rod and leading screw of structure is used in combination.
Further, the pedal input mechanism includes brake pedal connector, drag-line spring coiling mechanism, angular transducer company
Device and angular transducer are connect, the brake pedal connector is fixedly connected with drag-line spring coiling mechanism, the drag-line spring coiling machine
The other end of structure is connected by angular transducer connector with angular transducer.
Further, the drag-line spring coiling mechanism includes wind spring, drag-line fixed disk, drag-line, wind spring fix bar and connecting rod
A, one end of the drag-line are fixedly mounted on housing unit, and the other end of the drag-line is fixedly mounted on drag-line fixed disk,
The wind spring fix bar is fixedly mounted on housing unit, and wind spring and the drag-line fixed disk is fixedly mounted on wind spring fix bar
On, the connecting rod a is fixedly mounted on housing unit by support, the connecting rod a be arranged on angular transducer connector,
Between drag-line fix bar, connected between the connecting rod a and angular transducer connector and drag-line fix bar by interference.
Beneficial effects of the present invention are as follows：
（1）The present invention is connected by being arranged with an annular electro hood in the outer surface of motor in motor cover with housing unit
Place's coating glue is sealed with rubber ring, while annular electro hood is close with also selecting rubber ring to carry out at motor connection
Envelope, the waterproof measure of motor is effectively realized, meet that booster assembly is arranged in the use environment requirement of enging cabin, extend
The service life of motor.
（2）Electric control braking booster provided by the invention, solve new-energy automobile brake boost asking independent of vacuum source
Topic, while available for orthodox car and the unmanned active brake actuator of new-energy automobile, reducing the space cloth of former car
Put and system complexity on the basis of, increase maximum brake boost, driver pedal sense is adjustable, and can combine it is advanced drive aid in
System derives multiple functions.
（3）The structural arrangement form of the present invention can meet most left rudder and right standard rudder vehicles, mounting interface of the invention
Size is consistent with former vacuum booster mounting interface, and the centre-to-centre spacing of 4 fixing screws has two kinds of specifications：72mm × 72mm and
80mm×60mm；Due to designing single master cylinder installation switching pad, the master cylinder connection size of diversified forms can be supported, it is maximum
Limit reduces the existing parts change of brakes foundation brake of former car.
（4）The axis of motor of the present invention is intersected vertically with assembly main shaft or near normal is interlocked, and can be rotated according to main shaft
Any angle is installed, and only need to accordingly change mounting interface and master cylinder installation switching pad interface.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the housing unit of the present invention；
Fig. 3 is the overall structure diagram of the transmission mechanism of the present invention；
Fig. 4 is the overall structure diagram of the drag-line spring coiling mechanism of the present invention.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It is as shown in Figure 1 the overall structure diagram of the present invention, a kind of electric control braking booster, including motor 2, driver
Structure, pedal input mechanism 3, housing unit 1, electronic control unit 4, master cylinder 5 and fluid reservoir 6, pedal input mechanism 3 are fixed
Installed in the rearward end of housing unit 1, motor 2 is fixedly mounted on the bottom of housing unit 1, and master cylinder 5 is fixedly mounted on
The leading section of housing unit 1, the other end of master cylinder 5 are also installed with a fluid reservoir 6, and transmission mechanism is fixedly mounted on shell
The inner end of body component 1.
Motor 2 is installed with a motor cover 21 with the junction outer face of housing unit 1, and motor cover 21 is annular hollow knot
Structure, motor cover 21 are installed with a sealing device with the contact surface of housing unit 1, and sealing device is from glue, rubber washer
One kind, motor cover 21 and the contact surface of motor 2 are installed with a rubber washer.The present invention passes through the appearance surface cover in motor 2
Provided with an annular electro hood 21, and coat glue with the junction of housing unit 1 in motor cover 21 or carried out with rubber ring close
Envelope, while annular electro hood 21 is also sealed with the junction of motor 2 from rubber ring, the waterproof for effectively realizing motor 2 is arranged
Apply, meet that booster assembly is arranged in the use environment requirement of enging cabin, extend the service life of motor 2.
Master cylinder 5 is made up of shell, piston and push rod, and piston and the coaxial series connection of push rod and push rod are close to the end face of piston
Piston can be axially promoted, the upper end of shell also has additional two charging lines, and fluid reservoir 6 passes through charging line and master cylinder
5 are fixedly connected, and push rod is square structure.
The internal structure schematic diagram of the housing unit of the present invention is illustrated in figure 2, the He of main chamber 11 is offered in housing unit 1
Secondary chamber 12, electronic control unit 4 are fixedly mounted in secondary chamber 12, and transmission mechanism is fixedly mounted in main chamber 11, housing unit 1 with
Master cylinder installation switching pad is also installed between master cylinder 5.
It is illustrated in figure 3 the overall structure diagram of the transmission mechanism of the present invention, transmission mechanism includes bevel pinion 75, big
Bevel gear 71, leading screw 72 and feed screw nut 74, bevel pinion 75 are connected with bevel gear wheel 71, bevel pinion 75 and electricity
Machine 2 is fixedly connected by axle, and feed screw nut 74 is arranged on the outer end of leading screw 72, and bevel gear wheel 71 is fixedly mounted on leading screw
The outer end of nut 74, one end of the remote bevel gear wheel 71 of feed screw nut 74 are horn mouth hollow structure, in leading screw 72 along
Through there is a square opening 73, push rod and the square opening 73 in leading screw 72 of square structure are used in combination axis direction.This
The axis of invention motor 2 is intersected vertically with assembly main shaft or near normal is interlocked, and can be installed according to main shaft any rotation,
It only need to accordingly change mounting interface and master cylinder installation switching pad interface.The structural arrangement form of the present invention can meet a most left sides
Rudder and right standard rudder vehicle, mounting interface size of the invention are consistent with former vacuum booster mounting interface, 4 fixing screws
Centre-to-centre spacing has two kinds of specifications：72mm × 72mm and 80mm × 60mm；Due to designing single master cylinder installation switching pad, can support more
The master cylinder connection size of kind form, minimize the existing parts change of brakes foundation brake of former car.
Pedal input mechanism 3 includes brake pedal connector 33, drag-line spring coiling mechanism 32, angular transducer connector 326
With angular transducer 31, brake pedal connector 33 is fixedly connected with drag-line spring coiling mechanism 32, drag-line spring coiling mechanism 32
The other end is connected by angular transducer connector 326 and angular transducer 31.
The overall structure diagram of the drag-line spring coiling mechanism 32 of the present invention is illustrated in figure 4, drag-line spring coiling mechanism 32 includes
Wind spring 321, drag-line fixed disk 322, drag-line 324, wind spring fix bar 323 and connecting rod a325, one end of drag-line 324 are fixedly mounted
On housing unit 1, the other end of drag-line 324 is fixedly mounted on drag-line fixed disk 322, and wind spring fix bar 323 is fixedly mounted
On housing unit 1, wind spring 321 and drag-line fixed disk 322 are fixedly mounted in wind spring fix bar 323, and connecting rod a325 leads to
Cross support to be fixedly mounted on housing unit 1, connecting rod a325 is arranged on angular transducer connector 326, drag-line fix bar 323
Between, connected between connecting rod a325 and angular transducer connector 326 and drag-line fix bar 323 by interference.
Electric control braking booster provided by the invention, solve the problems, such as new-energy automobile brake boost independent of vacuum source,
Unmanned active brake actuator available for orthodox car and new-energy automobile simultaneously, reduce the space arrangement of former car and
On the basis of system complexity, increase maximum brake boost, driver pedal sense is adjustable, and can combine advanced drive assist system
Derive multiple functions.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (7)
- A kind of 1. electric motor protecting type electric control braking booster, it is characterised in that：Including motor, transmission mechanism, pedal input mechanism, Housing unit, electronic control unit, master cylinder and fluid reservoir, after the pedal input mechanism is fixedly mounted on housing unit End, the motor are fixedly mounted on the bottom of housing unit, and the master cylinder is fixedly mounted on the front end of housing unit Portion, the other end of the master cylinder are also installed with a fluid reservoir, and the transmission mechanism is fixedly mounted on housing unit Inner end；The motor is installed with a motor cover with housing unit junction outer face, and the motor cover is annular hollow knot Structure, the motor cover are installed with a sealing device with housing unit contact surface, and the motor cover is fixed with motor interface One rubber washer is installed.
- A kind of 2. electric motor protecting type electric control braking booster according to claim 1, it is characterised in that：The sealing device From one kind in glue, rubber washer.
- A kind of 3. electric motor protecting type electric control braking booster according to claim 1, it is characterised in that：The master cylinder It is made up of shell, piston and push rod, the piston and push rod are coaxially connected and push rod can axially promote work close to the end face of piston Plug, the upper end of the shell also have additional two charging lines, and fluid reservoir is fixed by charging line and master cylinder Connection, push rod is square structure.
- A kind of 4. electric motor protecting type electric control braking booster according to claim 1, it is characterised in that：The housing unit Main chamber and secondary chamber are inside offered, the electronic control unit is fixedly mounted on secondary intracavitary, and the transmission mechanism is fixedly mounted on master Intracavitary, master cylinder installation switching pad is also installed between the housing unit and master cylinder.
- A kind of 5. electric motor protecting type electric control braking booster according to claim 1, it is characterised in that：The transmission mechanism Including bevel pinion, bevel gear wheel, leading screw and feed screw nut, the bevel pinion is connected with bevel gear wheel, described Bevel pinion is fixedly connected with motor by axle, and the feed screw nut is arranged on the outer end of leading screw, the bevel gear wheel The outer end of feed screw nut is fixedly mounted on, one end of the remote bevel gear wheel of the feed screw nut is horn mouth hollow structure, Along axis direction through there is a square opening in the leading screw, the push rod of the square structure carries out phase with the square opening in leading screw It is used cooperatively.
- A kind of 6. electric motor protecting type electric control braking booster according to claim 1, it is characterised in that：The pedal input Mechanism includes brake pedal connector, drag-line spring coiling mechanism, angular transducer connector and angular transducer, the brake pedal Connector is fixedly connected with drag-line spring coiling mechanism, and the other end of the drag-line spring coiling mechanism passes through angular transducer connector It is connected with angular transducer.
- A kind of 7. electric motor protecting type electric control braking booster according to claim 6, it is characterised in that：The drag-line wind spring Mechanism includes wind spring, drag-line fixed disk, drag-line, wind spring fix bar and connecting rod a, one end of the drag-line and is fixedly mounted on housing On component, the other end of the drag-line is fixedly mounted on drag-line fixed disk, and the wind spring fix bar is fixedly mounted on housing group On part, wind spring and the drag-line fixed disk is fixedly mounted in wind spring fix bar, and the connecting rod a is fixedly mounted by support On housing unit, the connecting rod a is arranged between angular transducer connector, drag-line fix bar, the connecting rod a and angle Connected between degree sensor connector and drag-line fix bar by interference.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017105667246 | 2017-07-12 | ||
| CN201710566724 | 2017-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107554510A true CN107554510A (en) | 2018-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710977635.0A Pending CN107554510A (en) | 2017-07-12 | 2017-10-19 | A kind of electric motor protecting type electric control braking booster |
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| Country | Link |
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| CN (1) | CN107554510A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| WO2022155858A1 (en) * | 2021-01-21 | 2022-07-28 | 华为技术有限公司 | Integrated braking apparatus for vehicle and vehicle |
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| CN205632472U (en) * | 2016-04-26 | 2016-10-12 | 宁波格陆博科技有限公司 | A simplify fixed bearing structure for inside electronic parking braking system's executor |
| CN205905963U (en) * | 2016-08-30 | 2017-01-25 | 邓伟文 | Compound servo braking system of electricity liquid all |
| CN106427967A (en) * | 2016-11-25 | 2017-02-22 | 清华大学 | Brake by-wire system used for full mechanical decoupling automobile |
| CN206049645U (en) * | 2016-06-21 | 2017-03-29 | 中山大学 | A kind of power-assisted braking arrangement |
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2017
- 2017-10-19 CN CN201710977635.0A patent/CN107554510A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872599A (en) * | 2005-05-31 | 2006-12-06 | 比亚迪股份有限公司 | Force aid system for braking |
| CN102795219A (en) * | 2012-08-02 | 2012-11-28 | 浙江亚太机电股份有限公司 | Motor-assisted integrated automobile brake system |
| CN203974787U (en) * | 2014-08-01 | 2014-12-03 | 李红朋 | A kind of Novel pure electric vacuum booster electric brake pedal |
| CN105391217A (en) * | 2014-08-27 | 2016-03-09 | Lg伊诺特有限公司 | Motor and power transmission apparatus including the same |
| CN204323317U (en) * | 2014-12-08 | 2015-05-13 | 江苏罗思韦尔电气有限公司 | A kind of electromagnetic brake system |
| CN104760586A (en) * | 2015-03-31 | 2015-07-08 | 同济大学 | Double-motor driving type electronic hydraulic brake system capable of actively simulating pedal feeling |
| CN205632472U (en) * | 2016-04-26 | 2016-10-12 | 宁波格陆博科技有限公司 | A simplify fixed bearing structure for inside electronic parking braking system's executor |
| CN206049645U (en) * | 2016-06-21 | 2017-03-29 | 中山大学 | A kind of power-assisted braking arrangement |
| CN205905963U (en) * | 2016-08-30 | 2017-01-25 | 邓伟文 | Compound servo braking system of electricity liquid all |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550507A (en) * | 2020-05-14 | 2020-08-18 | 贵州航天林泉电机有限公司 | Electromechanical actuator for unmanned aerial vehicle brake |
| WO2022155858A1 (en) * | 2021-01-21 | 2022-07-28 | 华为技术有限公司 | Integrated braking apparatus for vehicle and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Lei Inventor after: Liu Zhaoyong Inventor after: Luo Qiang Inventor before: Zhang Lei Inventor before: Luo Qiang |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |