CN109630226A - A kind of camshaft - Google Patents
A kind of camshaft Download PDFInfo
- Publication number
- CN109630226A CN109630226A CN201910089614.4A CN201910089614A CN109630226A CN 109630226 A CN109630226 A CN 109630226A CN 201910089614 A CN201910089614 A CN 201910089614A CN 109630226 A CN109630226 A CN 109630226A
- Authority
- CN
- China
- Prior art keywords
- extension
- shaft
- hole
- camshaft
- fixing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 239000002994 raw material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The present invention provides a kind of camshafts, including a shaft, at least a cam, a decompressor and a gear；The cam and gear are sheathed in the shaft；The decompressor is installed in the shaft, and makes the decompressor between the cam and gear.The present invention has the advantages that realizing convenient for adjusting camshaft to adapt to the engine of different model, the production cost of camshaft is reduced.
Description
Technical field
The present invention relates to engine arts, refer in particular to a kind of camshaft.
Background technique
Camshaft is an important component in piston engine, and effect is to control the opening and closing movement of valve,
Since valve motion rule is related to the power and service performance of an engine, camshaft is in occupation of highly importantly
Position.However, traditional camshaft is only capable of the engine of adaptation specific model, and it is directed to the engine of different model, different rotating speeds,
It needs to carry out redesign processing to camshaft, this undoubtedly significantly increases the cost of Camshaft Production manufacture.Therefore, how
A camshaft is produced, the adjusted engine to adapt to different model is facilitated, becomes one and kowtows to be solved ask
Topic.
Through retrieving, applying date 2017.11.22, application No. is 201721573463.2 Chinese invention patents to disclose
A kind of camshaft, which includes a cam shaft body, it is characterized in that: the cam shaft body is by spindle nose, retaining ring, reinforcing
Section, cam body I, supporting section, cam body II, construction section, sprocket body, linkage section, axis tail are provided with a key on the axis tail
Slot is provided with a mounting hole in the axis tail center, and is respectively arranged with one in the two sides of the bottom of the keyway
A lead-over groove.The invention has the following disadvantages: that the invention can not be adjusted for the engine of different model, and structure is multiple
Miscellaneous, manufacturing cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of camshaft, realize convenient for adjusting to adapt to different model
Engine, reduce production cost.
The present invention is implemented as follows: a kind of camshaft, including a shaft, an at least cam, a decompressor and one
Gear；The cam and gear are sheathed in the shaft；The decompressor is installed in the shaft, and is made described
Decompressor is between the cam and gear.
Further, the decompressor includes a pressure reducing valve and a fixed pin；The pressure reducing valve passes through the fixation
Pin is fixed in the shaft.
Further, the longitudinal direction of the shaft is equipped with a first through hole, is transversely provided with one second through-hole；The decompressor
Be fixed in the shaft by second through-hole, and using second through-hole as machining benchmark to the camshaft
Production is positioned.
Further, the pressure reducing valve includes second of a fixing piece, one first extension, one with angle regulating function
Extension and a third extension with angle regulating function；First extension is set to the front of fixing piece, described
Second extension is set to the left side of fixing piece, and the third extension is set to the right side of fixing piece；The two sides of the fixing piece are each
Equipped with symmetrical first hole, the fixing piece is fixed on described by first hole, the second through-hole and fixed pin
In shaft.
Further, second extension includes one first horizontal edge and one first vertical edge, first horizontal edge and institute
Fixing piece connection is stated, first vertical edge is connect with first horizontal edge, and is disposed far from one end of first extension；Institute
Stating third extension includes one second horizontal edge and one second vertical edge, and second horizontal edge connect with the fixing piece, and described the
Two vertical edges are connect with second horizontal edge, and are disposed far from one end of first extension.
Further, there are six the second holes setting at the gear centre for the gear.
The present invention has the advantages that
1, by the way that the second extension of the L-type and the third extension of L-type is arranged, it is only necessary to adjust described second and prolong
The corner dimension of extending portion and third extension and the shaft, or the length of adjustment first vertical edge and the second vertical edge
Degree, that is, be suitable for the engine of different rotating speeds requirement, Setup Cost is low, easy to operate.
2, a first through hole is equipped with by the longitudinal direction of the shaft, in the intensity and rigidity for meeting a kind of camshaft
Requirement under, saved raw material, reduced production cost, reduced logistics cost when extensive carrying, and reduce
A kind of rotator inertia of the camshaft.
3, the second hole there are six being set at circular gear centre by the gear, so that the gear is meeting intensity
On the basis of it is required that, raw material have been saved, have reduced production cost.
4, the fixing piece is fixed in the shaft by first hole, the second through-hole and pin, installation side
Just, convenient for using Automated assembly mode, and then cost of labor is reduced, improves production efficiency.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of working state schematic representation of camshaft of the present invention.
Fig. 2 is a kind of structural decomposition diagram of camshaft of the present invention.
Fig. 3 is the structural schematic diagram of pressure reducing valve of the present invention.
Fig. 4 is the structural schematic diagram of gear of the present invention.
Description of symbols:
A kind of camshaft of 100-, 1- shaft, 2- cam, 3- decompressor, 4- gear, 5- valve tappet, 31- pressure reducing valve,
32- fixed pin, 11- first through hole, the second through-hole of 12-, 311- fixing piece, the first extension of 312-, the second extension of 313-,
314- third extension, the first hole of 3111-, the first horizontal edge of 3131-, the first vertical edge of 3132-, the second horizontal edge of 3141-, 3142-
Second vertical edge, the second hole of 41-.
Specific embodiment
Please refer to figs. 1 to 4, a kind of preferred embodiment of camshaft 100 of the present invention, including a shaft 1, at least one
Cam 2, a decompressor 3 and a gear 4；The cam 2 and gear 4 are sheathed in the shaft 1；The decompression dress
It sets 3 to be installed in the shaft 1, and makes the decompressor 3 between the cam 2 and gear 4.The cam 2 is used for
Open the valve tappet 5 of engine；The decompressor 3 is used to adjust the pressure in engine cylinder body；The shaft 1 is for joining
The cam 2 and gear 4 are moved, and the decompression transposition 3 is made to generate inclination under the action of rotator inertia.
The decompressor 3 includes a pressure reducing valve 31 and a fixed pin 32；The pressure reducing valve 31 passes through the fixed pin
32 are fixed in the shaft 1.
The longitudinal direction of the shaft 1 is equipped with a first through hole 11, is transversely provided with one second through-hole 12；The decompressor 3 is logical
Second through-hole 12 is crossed to be fixed in the shaft 1, and using second through-hole as machining benchmark to the camshaft
Production positioned.It is equipped with a first through hole 11 by the longitudinal direction of the shaft 1, is meeting a kind of camshaft 100
Under the requirement of intensity and rigidity, saved raw material, reduced production cost, reduce logistics when extensive carrying at
This, and reduce a kind of rotator inertia of camshaft 100.
The pressure reducing valve 31 includes second of a fixing piece 311, one first extension 312, one with angle regulating function
Extension 313 and a third extension 314 with angle regulating function；The pressure reducing valve 31 is integrally rushed using Sheet Metal Forming Technology
It is molded, reduce difficulty of processing；First extension 312 is set to the front of fixing piece 311, second extension 313
Set on the left side of fixing piece 311, the third extension 314 is set to the right side of fixing piece 311；The two sides of the fixing piece 311
It is respectively provided with symmetrical first hole 3111, the fixing piece 311 is by first hole 3111, the second through-hole 12 and consolidates
Rationed marketing 32 is fixed in the shaft 1.By first hole 3111, the second through-hole 12 and fixed pin 32 by the fixation
Part 311 is fixed in the shaft 1, easy for installation, convenient for using Automated assembly mode, and then is reduced cost of labor, is improved
Production efficiency.
The fixing piece 3111 be it is U-shaped, second extension 313 be L-type, the third extension 314 be L-type.
Second extension 313 and third extension 314 and the angle of 1 top of shaft can be set according to actual demand
It sets.
Second extension 313 includes one first horizontal edge 3131 and one first vertical edge 3132, first horizontal edge
3131 connect with the fixing piece 3111, and first vertical edge 3132 is connect with first horizontal edge 3131, and is disposed far from institute
State one end of the first extension 312；The third extension 314 includes one second horizontal edge 3141 and one second vertical edge 3142,
Second horizontal edge 3141 is connect with the fixing piece 3111, and second vertical edge 3142 is connect with second horizontal edge 3141,
And it is disposed far from one end of first extension 312.By the way that the second extension 313 of the L-type and the third of L-type is arranged
Extension 314, it is only necessary to the corner dimension of second extension 313 and third extension 314 and the shaft 1 is adjusted,
Or the length of adjustment first vertical edge 3132 and the second vertical edge 3142, that is, it is suitable for the engine of different rotating speeds requirement,
Setup Cost is low, easy to operate.
There are six the second holes 41 setting at the gear centre for the gear 4.By the gear 4 in gear
Second hole 41 there are six setting at the heart reduces so that the gear 4 on the basis of meeting intensity requirement, has saved raw material
Production cost.
Working principle of the present invention:
When engine is inactive, first extension 312 heads on the valve tappet 5 of engine.It is opened when engine is in
When the dynamic stage, the pressure reducing valve 31 starts turning under the drive of gear 4, when the revolving speed of the pressure reducing valve 31 reaches preset turn
When fast, due to the counterweight relationship of rotator inertia, first extension 312 and the second extension 313 and third extension 314,
Second extension 313 and third extension 314 of globoidal structure and the angle of the shaft 1, so that described first prolongs
Extending portion 312 tilts down, and second extension 313 and third extension 314 tilt upwards, so that described first extends
Portion 312 is disengaged with valve tappet 5, has the function that adjust pressure in engine cylinder body.
In conclusion the present invention has the advantages that
1, by the way that the second extension of the L-type and the third extension of L-type is arranged, it is only necessary to adjust described second and prolong
The corner dimension of extending portion and third extension and the shaft, or the length of adjustment first vertical edge and the second vertical edge
Degree, that is, be suitable for the engine of different rotating speeds requirement, Setup Cost is low, easy to operate.
2, a first through hole is equipped with by the longitudinal direction of the shaft, in the intensity and rigidity for meeting a kind of camshaft
Requirement under, saved raw material, reduced production cost, reduced logistics cost when extensive carrying, and reduce
A kind of rotator inertia of the camshaft.
3, the second hole there are six being set at circular gear centre by the gear, so that the gear is meeting intensity
On the basis of it is required that, raw material have been saved, have reduced production cost.
4, the fixing piece is fixed in the shaft by first hole, the second through-hole and pin, installation side
Just, convenient for using Automated assembly mode, and then cost of labor is reduced, improves production efficiency.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (6)
1. a kind of camshaft, it is characterised in that: including a shaft, at least a cam, a decompressor and a gear；It is described convex
Wheel and gear are sheathed in the shaft；The decompressor is installed in the shaft, and makes the decompressor position
Between the cam and gear.
2. a kind of camshaft as described in claim 1, it is characterised in that: the decompressor includes that a pressure reducing valve and one are solid
Rationed marketing；The pressure reducing valve is fixed in the shaft by the fixed pin.
3. a kind of camshaft as described in claim 1, it is characterised in that: the longitudinal direction of the shaft is equipped with a first through hole, horizontal
To equipped with one second through-hole；The decompressor is fixed in the shaft by second through-hole, and utilizes described second
Through-hole positions the production of the camshaft as machining benchmark.
4. a kind of camshaft as claimed in claim 2, it is characterised in that: the pressure reducing valve prolongs including a fixing piece, one first
Extending portion, one the second extension and a third extension with angle regulating function with angle regulating function；Described
One extension is set to the front of fixing piece, and second extension is set to the left side of fixing piece, and the third extension is set to solid
Determine the right side of part；The two sides of the fixing piece are respectively provided with symmetrical first hole, the fixing piece by first hole,
Second through-hole and fixed pin are fixed in the shaft.
5. a kind of camshaft as claimed in claim 4, it is characterised in that: second extension include one first horizontal edge and
One first vertical edge, first horizontal edge are connect with the fixing piece, and first vertical edge is connect with first horizontal edge, and is set to
One end far from first extension；The third extension include one second horizontal edge and one second vertical edge, described second
Horizontal edge is connect with the fixing piece, and second vertical edge is connect with second horizontal edge, and is disposed far from first extension
One end.
6. a kind of camshaft as described in claim 1, it is characterised in that: there are six the gear is set at circular gear centre
Second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089614.4A CN109630226A (en) | 2019-01-30 | 2019-01-30 | A kind of camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089614.4A CN109630226A (en) | 2019-01-30 | 2019-01-30 | A kind of camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630226A true CN109630226A (en) | 2019-04-16 |
Family
ID=66062807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089614.4A Pending CN109630226A (en) | 2019-01-30 | 2019-01-30 | A kind of camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630226A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453507A (en) * | 1981-11-25 | 1984-06-12 | Briggs & Stratton Corporation | Centrifugally responsive compression release mechanism |
| US5150674A (en) * | 1991-05-21 | 1992-09-29 | Briggs & Stratton Corporation | Centrifugally responsive compressing release mechanism |
| JP2002115518A (en) * | 2000-10-10 | 2002-04-19 | Suzuki Motor Corp | Decompression structure of engine |
| US6374792B1 (en) * | 1999-02-04 | 2002-04-23 | Sanshin Kogyo Kabushiki Kaisha | Engine decompression device |
| KR20040104905A (en) * | 2003-06-04 | 2004-12-13 | 혼다 기켄 고교 가부시키가이샤 | Decompression device for internal combustion engine |
| CN2864107Y (en) * | 2006-01-10 | 2007-01-31 | 重庆宗申技术开发研究有限公司 | Start decompressor of engine |
| JP2008082281A (en) * | 2006-09-28 | 2008-04-10 | Honda Motor Co Ltd | Cam mechanism with decompression device |
| CN101302948A (en) * | 2008-07-01 | 2008-11-12 | 隆鑫工业有限公司 | Engine starting decompression camshaft assembly |
| CN201250676Y (en) * | 2008-09-08 | 2009-06-03 | 重庆凯驰汽车部件制造有限公司 | Engine camshaft decompressing mechanism |
| CN101806233A (en) * | 2010-05-14 | 2010-08-18 | 隆鑫工业有限公司 | Camshaft pressure reducing mechanism of internal-combustion engine |
| CN201751542U (en) * | 2010-05-14 | 2011-02-23 | 隆鑫通用动力股份有限公司 | Pressure reducing mechanism of camshaft of internal combustion engine |
| CN102777228A (en) * | 2012-08-14 | 2012-11-14 | 重庆澳强工贸股份有限公司 | Engine starting cam shaft assembly |
| CN102777227A (en) * | 2011-05-12 | 2012-11-14 | 江苏林海动力机械集团公司 | Decompression device of engine |
| CN203248219U (en) * | 2013-04-03 | 2013-10-23 | 浙江康思特动力机械有限公司 | Pressure-reducing mechanism of cam shaft |
| CN206845254U (en) * | 2017-06-29 | 2018-01-05 | 潍柴西港新能源动力有限公司 | electric variable valve timing mechanism |
| CN209780984U (en) * | 2019-01-30 | 2019-12-13 | 福州普索工程技术有限公司 | Cam shaft |
-
2019
- 2019-01-30 CN CN201910089614.4A patent/CN109630226A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453507A (en) * | 1981-11-25 | 1984-06-12 | Briggs & Stratton Corporation | Centrifugally responsive compression release mechanism |
| US5150674A (en) * | 1991-05-21 | 1992-09-29 | Briggs & Stratton Corporation | Centrifugally responsive compressing release mechanism |
| US6374792B1 (en) * | 1999-02-04 | 2002-04-23 | Sanshin Kogyo Kabushiki Kaisha | Engine decompression device |
| JP2002115518A (en) * | 2000-10-10 | 2002-04-19 | Suzuki Motor Corp | Decompression structure of engine |
| KR20040104905A (en) * | 2003-06-04 | 2004-12-13 | 혼다 기켄 고교 가부시키가이샤 | Decompression device for internal combustion engine |
| CN1573034A (en) * | 2003-06-04 | 2005-02-02 | 本田技研工业株式会社 | Decompression device for internal combustion engine |
| CN2864107Y (en) * | 2006-01-10 | 2007-01-31 | 重庆宗申技术开发研究有限公司 | Start decompressor of engine |
| JP2008082281A (en) * | 2006-09-28 | 2008-04-10 | Honda Motor Co Ltd | Cam mechanism with decompression device |
| CN101302948A (en) * | 2008-07-01 | 2008-11-12 | 隆鑫工业有限公司 | Engine starting decompression camshaft assembly |
| CN201250676Y (en) * | 2008-09-08 | 2009-06-03 | 重庆凯驰汽车部件制造有限公司 | Engine camshaft decompressing mechanism |
| CN101806233A (en) * | 2010-05-14 | 2010-08-18 | 隆鑫工业有限公司 | Camshaft pressure reducing mechanism of internal-combustion engine |
| CN201751542U (en) * | 2010-05-14 | 2011-02-23 | 隆鑫通用动力股份有限公司 | Pressure reducing mechanism of camshaft of internal combustion engine |
| CN102777227A (en) * | 2011-05-12 | 2012-11-14 | 江苏林海动力机械集团公司 | Decompression device of engine |
| CN102777228A (en) * | 2012-08-14 | 2012-11-14 | 重庆澳强工贸股份有限公司 | Engine starting cam shaft assembly |
| CN203248219U (en) * | 2013-04-03 | 2013-10-23 | 浙江康思特动力机械有限公司 | Pressure-reducing mechanism of cam shaft |
| CN206845254U (en) * | 2017-06-29 | 2018-01-05 | 潍柴西港新能源动力有限公司 | electric variable valve timing mechanism |
| CN209780984U (en) * | 2019-01-30 | 2019-12-13 | 福州普索工程技术有限公司 | Cam shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109630226A (en) | A kind of camshaft | |
| CN205638594U (en) | Decompression mechanism for cam shaft of engine | |
| CN105909332A (en) | Stepless valve rocker mechanism with variable lift and corresponding valve device | |
| US9097145B2 (en) | Continuously variable valve lift actuator of engine | |
| CN209780984U (en) | Cam shaft | |
| CN201090258Y (en) | Motorcycle engine valve backlash adjustment structure | |
| CN209780992U (en) | Be applied to relief pressure valve of camshaft | |
| CN101315037A (en) | Distribution transmission structure of four-valve air-blast-cooling small motorcycle engine | |
| JP4578547B2 (en) | Rocker arm with lubricating oil supply path | |
| CN203962063U (en) | A kind of valve actuating mechanism | |
| CN209875889U (en) | Gear applied to camshaft | |
| CN103216285A (en) | Air door bridge and top camshaft engine | |
| CN103334804A (en) | Valve rocker for engine | |
| CN206429278U (en) | A kind of camshaft stand | |
| KR100220482B1 (en) | Valve driving device | |
| CN205078312U (en) | Two segmentation variable valve lifts and valve secondary opening mechanism | |
| CN204552857U (en) | With the arm sub-assembly of valve of straight pin | |
| CN219548941U (en) | VVT phaser with sliding vane on rotor | |
| CN202810986U (en) | Valve rocker arm assembly | |
| CN103912328A (en) | Swing arm and variable valve lift drive device with swing arm | |
| CN218235198U (en) | Mechanism for reducing eccentric load of rocker arm | |
| CN215520995U (en) | Counter weight type camshaft | |
| CN218934515U (en) | Spline type cam shaft assembly structure | |
| CN207315465U (en) | A kind of Double Over Head Camshaft | |
| CN206984362U (en) | A kind of rotor attachment means of plant protection unmanned plane |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
|
| RJ01 | Rejection of invention patent application after publication |