CN107218253A - A kind of heat medium pump containing cooling bearing body device - Google Patents
A kind of heat medium pump containing cooling bearing body device Download PDFInfo
- Publication number
- CN107218253A CN107218253A CN201710558793.2A CN201710558793A CN107218253A CN 107218253 A CN107218253 A CN 107218253A CN 201710558793 A CN201710558793 A CN 201710558793A CN 107218253 A CN107218253 A CN 107218253A
- Authority
- CN
- China
- Prior art keywords
- bearing body
- rotating shaft
- pump
- bearing
- heat medium
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of heat medium pump containing cooling bearing body device, it includes the pump housing, is arranged on the rotating shaft of pump housing center, pump cover, impeller, shaft sleeve device, chuck and sealing device；The pump housing and pump cover are located at the both sides of impeller respectively, the upper port of the pump housing exports for heating agent, horizontal port outside the pump housing is Heating medium, the impeller is fixed on one end of rotating shaft, the rotating shaft other end and motor connection, it is located at the side of impeller between the pump cover and rotating shaft, is provided with sealing device；The shaft sleeve device includes the bearing body being sleeved in rotating shaft, is arranged in shaft sleeve sealing device, bearing gland between bearing body and rotating shaft, the chuck and is provided with temperature sensor；The chuck is arranged on the periphery of bearing body, and coolant is filled between chuck and bearing body.Sealing structure of the present invention is reliable, good cooling results, reduces due to the maintenance cost for the easily worn part that high temperature is produced, axially operates steadily.
Description
Technical field
The present invention relates to heating agent pump technical field, in particular it relates to a kind of heat medium pump containing cooling bearing body device.
Background technology
I.e. heat medium pump heat medium circulation pump is the power set for conveying heating agent, and heat medium circulation pump is in oil and chemical work
Industry, oil prodution industry, synthetic fiber industry, textile and dyeing industry, plastics and rubber industry, paper industry, timber industry build work
It is widely used in industry and mechanical industry, food industry, medicine production, the deep fat heating circulatory system.
Because heating agent has higher temperature, so as to the bearing temperature of heat medium pump can be caused higher always, so as to easily make
Lubricating grease volatilizees, and causes bearing oil starvation, reduces service life.The high temperature hot coal pump bearing body inner bearing of in the market generally existing makes
With the life-span all at 1 year or so, or even the meeting under hot environment running situation having can break down at three months or so, even if can also
Inadequate operation, also wants regular maintaining, expends substantial amounts of manpower and materials, increases input cost, in bearing body
Encapsulant can also reduce service life reduction sealing effectiveness in an environment of high temperature.So needing to research and develop a heat medium pump, energy
Enough increase the service life, the maintenance cost for the easily worn part that reduction high temperature is produced reduces the manufacturing cost of product.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sealing structure reliably, good cooling results, axially operation
Steadily, the chuck heat medium pump of integral pump operational excellence.
To achieve the above object, technical scheme includes：The pump housing, is arranged on the rotating shaft of pump housing center, pump cover,
Impeller, shaft sleeve device, chuck and sealing device；
The pump housing and pump cover are located at the both sides of impeller respectively, and the upper port of the pump housing exports for heating agent, outside the pump housing
Horizontal port be Heating medium, the bottom of the pump housing is provided with heat release matchmaker mouthful, and the impeller is fixed on one end of rotating shaft, institute
The rotating shaft other end and motor connection are stated, sealing device is provided between the pump cover and rotating shaft, the sealing device is located at impeller
Side；
The shaft sleeve device includes the bearing body being sleeved in rotating shaft, is arranged on the shaft sleeve sealing device between bearing body and rotating shaft
And bearing gland, bearing body is located between pump cover and motor, is provided with the chuck into coolant mouthful and goes out coolant mouthful, institute
State and temperature sensor is provided with chuck, the bearing gland is located between bearing body and motor；The chuck is arranged on bearing
The periphery of body, is filled with coolant between chuck and bearing body.
Further, the sealing device include the first hole jump ring, the first adjusting pad and axle envelope, first adjusting pad and
Axle envelope is set up in parallel and fixed by the first hole jump ring.
Further, it is provided with the first sealing gasket between the pump housing and pump cover.
Further, the side of shaft sleeve device is located between the pump cover and rotating shaft, the second sealing gasket is provided with.
Further, bearing is provided with the bearing body, the bearing is located between bearing body and rotating shaft, the bearing
Oil filler point is provided with body.
Further, airtight and watertight padding, the second adjusting pad and the second hole jump ring, institute are set side by side between bearing body and rotating shaft
Airtight and watertight padding and the second adjusting pad is stated to fix by the second hole jump ring.
Further, it is provided with the 3rd sealing gasket between the bearing body and bearing gland.
Further, bearing side is provided with the 4th sealing gasket between bearing gland and rotating shaft.
Further, the bottom of the bearing body is connected with support.
Further, it is provided with oil sealing between the pump cover and bearing body.
Good effect of the present invention is as follows：
（1）In the use of the present invention, heating agent is by axial suction, the outlet of center vertically upward is released, and bearing body countershaft rises
To support and the effect of balance so that axially operate steadily, integral pump runnability is good, using reliable, body vibration is small, operating
It is more steady.
（2）Because the cooling liquid being filled between chuck and bearing body in coolant, chuck is constantly circulated, so as to reduce
The operating temperature of whole pump, especially at all parts sealing and bearing temperature, improve the service life of pump, reduce due to height
The maintenance cost for the easily worn part that temperature is produced, reduces the manufacturing cost of product, can effectively radiate, cool down, and reduces the throwing of consumable accessory
Enter so as to cost-effective.
（3）In use, temperature sensor is connected with controller, controller is connected with coolant circulation system, when in chuck
Coolant higher than preset temperature in controller when, start coolant circulation, coolant is entered from coolant mouthful, from going out coolant
Mouthful go out, complete the replacing of coolant, this cooling procedure realizes automation, and can be with by the timely monitoring of temperature sensor
The replacing of coolant is completed in time, and is more saved.
（4）In the present invention, by scientific offering sealing structure, make equal good seal at all parts, present invention sealing can
Lean on, and sealing structure is difficult failure.
（5）Bearing portion temperature is reduced, and is greatly prolonged the service life of bearing, is extended to original 3-4 times.
Brief description of the drawings
Fig. 1 is overall structure figure of the invention；
Fig. 2 is the enlarged drawing in A portions of the present invention；
Fig. 3 is the enlarged drawing in B portions of the present invention；
In accompanying drawing, 1 pump housing, the outlet of 1-1 heating agents, 1-2 Heating mediums, 4 impellers, 5 first sealing gaskets, 6 pump covers, 7 first hole jump rings,
8 first adjusting pads, 9 axle envelopes, 10 oil sealings, 11 second sealing gaskets, 12 bearings, 13 oil filler points, 14 bearing bodies, 15 airtight and watertight paddings, 16
Second adjusting pad, 17 second hole jump rings, 19 the 3rd sealing gaskets, 21 bearing glands, 22 the 4th sealing gaskets, 23 rotating shafts, 24 chucks, 25
Support.
Embodiment
As Figure 1-3, the present invention includes the pump housing 1, is arranged on the rotating shaft 23 of the center of the pump housing 1, pump cover 6, impeller 4, axle
Covering device, chuck 24 and sealing device.
The pump housing 1 and pump cover 6 are located at the both sides of impeller 4 respectively, and the upper port of the pump housing 1 exports 1-1, institute for heating agent
It is Heating medium 1-2 to state the horizontal port outside the pump housing 1, thus, and basic structure form of the invention is one step single sucking structure, pump
The import of body 1 is axially sucks, centered on outlet vertically upward.The bottom of the pump housing 1 is provided with heat release matchmaker mouthful 1-3, described
It is provided with outside heat release matchmaker mouthful 1-3 and drains the oil stifled, after the completion of the heating agent circulation of the present invention, remaining heating agent is arranged from heat release matchmaker mouthful 1-3
Go out.The impeller 4 is fixed on one end of rotating shaft 23, the other end of rotating shaft 23 and motor connection, motor by bolt and pad
Drive shaft 23 is rotated, so that impeller 4 rotates, sealing device, the sealing are provided between the pump cover 6 and rotating shaft 23
Device is located at the side of impeller 4, realizes the sealing between pump cover 6 and rotating shaft 23, and the sealing device is located at pump cover 6 close to impeller
The end at place, prevents heating agent from flowing through impeller 4 and entering rotating shaft 23.In the present embodiment, the sealing device include the first hole jump ring 7,
First adjusting pad 8 and axle envelope 9, first adjusting pad 8 and axle envelope 9 are set up in parallel and fixed by the first hole jump ring 7, and first adjusts
Whole pad 8 and axle envelope 9 are sealing gasket, it is preferable that be sponge or rubber blanket, and the quantity of the first adjusting pad 8 and axle envelope 9 can be one
It is individual or multiple.
The shaft sleeve device includes the bearing body 14 being sleeved in rotating shaft 23, is arranged between bearing body 14 and rotating shaft 23
Shaft sleeve sealing device and bearing gland 21, bearing body 14 are located between pump cover 6 and motor, and the bearing gland 21 is located at bearing
Between body 14 and motor；The chuck 24 is arranged on the periphery of bearing body 14, is hollow structure between chuck 24 and bearing body 14,
Coolant is filled between chuck 24 and bearing body 14.It is provided with the chuck 24 into coolant mouthful and goes out coolant mouthful, institute
State and temperature sensor is provided with chuck 24, the model WRP-130/131/230/231 of temperature sensor.In use, temperature
Sensor is connected with controller, and controller is connected with coolant circulation system, when the coolant in chuck 24 is higher than in controller
Preset temperature when, start coolant circulation, coolant mouthful is entered from coolant, go out from coolant mouthful is gone out, complete coolant more
Change, this cooling procedure realizes automation, and can complete coolant in time more by the timely monitoring of temperature sensor
Change, and more save.
Coolant circulation can reduce the temperature of bearing body 14 and rotating shaft 23, improve the service life of each seal member,
It is possible thereby to extend sealed service life, the Problem of Failure of airtight and watertight padding is solved, will not lose packing seal because of high temperature
Remove sealing effectiveness.Meanwhile, the reduction of bearing portion temperature greatly prolongs the service life of bearing, extends to original 3-4 times.
Preferably, the first sealing gasket 5 is provided between the pump housing 1 and pump cover 6, made close close between the pump housing 1 and pump cover 6
Envelope.
Preferably, the second sealing gasket 11 is provided between the pump cover 6 and rotating shaft 23, second sealing gasket 11 is located at axle
The side of covering device, second sealing gasket 11 is located between pump cover 6 and bearing body 14, realizes between rotating shaft 23 and pump cover 6
Tight seal.Oil sealing 10 is provided between the pump cover 6 and bearing body 14, is realized close close between pump cover 6 and bearing body 14
Envelope.
Preferably, bearing 12 is provided with the bearing body 14, the bearing 12 is located between bearing body 14 and rotating shaft 23,
In the present embodiment, the two ends of bearing body 14, which are respectively arranged with bearing 12, the bearing body 14, is provided with oil filler point 13, by past
Injection lubricating oil can play a part of lubrication to bearing 12 in the oil filler point 13, improve the operational reliability of equipment.As schemed
It is shown, in the present embodiment, bearing is provided between the second sealing gasket 11 and oil filler point 13.
Preferably, airtight and watertight padding 15, the second adjusting pad 16 and the second hole are set side by side between bearing body 14 and rotating shaft 23
Jump ring 17, the adjusting pad 16 of airtight and watertight padding 15 and second is fixed by the second hole jump ring 17.The airtight and watertight padding 15 is resistance to height
Fire stons ink Carbon fibe packing seal, makes sealing property generate leap, 25 times, corrosion resistance is improved than rubber-like sealing reliability
Can be high.The airtight and watertight padding 15, the second adjusting pad 16 and the second hole jump ring 17 are located between bearing body 14 and bearing gland 21.It is close
Bearing is provided between packing material 15, the second adjusting pad 16 and the second hole jump ring 17 and bearing gland 21.
Preferably, the 3rd sealing gasket 19 is provided between the bearing body 14 and bearing gland 21, realizes the He of bearing body 14
Tight seal between bearing gland 21.
Preferably, the side of bearing body 14 is provided with the 4th sealing gasket 22 between bearing gland 21 and rotating shaft 23.4th is close
It is bearing between packing 22 and airtight and watertight padding 15, the second adjusting pad 16 and the second hole jump ring 17, plays sealed effect.
The bottom of the bearing body 14 is connected with support 25, and support is played a part of to invention chuck heat medium pump.
In the use of the present invention, the impeller 4 of rotating shaft 23 is rotated, heating agent is by axial suction, center going out vertically upward
Mouth is released, and the countershaft 23 of bearing body 14 plays a part of supporting and balanced so that axially operate steadily, integral pump runnability
It is good, using reliable.Because the cooling liquid being filled between chuck 24 and bearing body 14 in coolant, chuck 24 is constantly circulated,
So as to reduce at the operating temperature of whole pump, especially all parts sealing and bearing temperature, improve the service life of pump, drop
It is low due to high temperature produce easily worn part maintenance cost, reduce product manufacturing cost.
The technical parameter scope reached by test, the present invention：1st ,-the 1200m3/h of flow 1;2nd, lift 10-130m;
3rd, temperature 0oC-350oC.
Sealed reliable of the present invention, body vibration is small, and operating is more steady, can effectively radiate, cool down, and reduces the input of consumable accessory
So as to cost-effective.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of heat medium pump containing cooling bearing body device, it is characterised in that：It includes the pump housing（1）, it is arranged on the pump housing（1）In
Rotating shaft at the heart（23）, pump cover（6）, impeller（4）, shaft sleeve device, chuck（24）And sealing device；
The pump housing（1）And pump cover（6）It is located at impeller respectively（4）Both sides, the pump housing（1）Upper port be heating agent outlet
（1-1）, the pump housing（1）Outside horizontal port is Heating medium（1-2）, the pump housing（1）Bottom be provided with heat release matchmaker
Mouthful（1-3）, the impeller（4）It is fixed on rotating shaft（23）One end, the rotating shaft（23）The other end and motor connection, the pump cover
（6）And rotating shaft（23）Between be provided with sealing device, the sealing device is located at impeller（4）Side；
The shaft sleeve device includes being sleeved on rotating shaft（23）On bearing body（14）, it is arranged on bearing body（14）And rotating shaft（23）It
Between shaft sleeve sealing device and bearing gland（21）, bearing body（14）Positioned at pump cover（6）Between motor, the chuck（24）On
It is provided with into coolant mouthful and goes out coolant mouthful, the chuck（24）Inside it is provided with temperature sensor, the bearing gland（21）
Positioned at bearing body（14）Between motor；The chuck（24）It is arranged on bearing body（14）Periphery, chuck（24）And bearing body
（14）Between be filled with coolant.
2. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The sealing dress
Put including the first hole jump ring（7）, the first adjusting pad（8）And axle envelope（9）, first adjusting pad（8）And axle envelope（9）It is set up in parallel
And pass through the first hole jump ring（7）It is fixed.
3. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The pump housing
（1）And pump cover（6）Between be provided with the first sealing gasket（5）.
4. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The pump cover
（6）With rotating shaft（23）Between be provided with the second sealing gasket（11）, second sealing gasket（11）Positioned at the side of shaft sleeve device.
5. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The bearing body
（14）On be provided with bearing（12）, the bearing（12）Positioned at bearing body（14）And rotating shaft（23）Between, the bearing body（14）
On be provided with oil filler point（13）.
6. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：Bearing body（14）
And rotating shaft（23）Between be set side by side with airtight and watertight padding（15）, the second adjusting pad（16）With the second hole jump ring（17）, the sealing
Filler（15）With the second adjusting pad（16）Pass through the second hole jump ring（17）It is fixed.
7. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The bearing body
（14）And bearing gland（21）Between be provided with the 3rd sealing gasket（19）.
8. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：Bearing gland
（21）With rotating shaft（23）Between be located at bearing body（14）Side is provided with the 4th sealing gasket（22）.
9. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The bearing body
（14）Bottom be connected with support（25）.
10. a kind of heat medium pump containing cooling bearing body device according to claim 1, it is characterised in that：The pump cover
（6）And bearing body（14）Between be provided with oil sealing（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558793.2A CN107218253A (en) | 2017-07-11 | 2017-07-11 | A kind of heat medium pump containing cooling bearing body device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558793.2A CN107218253A (en) | 2017-07-11 | 2017-07-11 | A kind of heat medium pump containing cooling bearing body device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218253A true CN107218253A (en) | 2017-09-29 |
Family
ID=59952090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710558793.2A Pending CN107218253A (en) | 2017-07-11 | 2017-07-11 | A kind of heat medium pump containing cooling bearing body device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218253A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735808A (en) * | 2019-11-28 | 2020-01-31 | 江苏科技大学 | pulsating flow enhanced cooling bearing seat device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0196472A1 (en) * | 1985-03-13 | 1986-10-08 | Deutsche Vortex GmbH | Fluid pump |
| JPH06185490A (en) * | 1992-12-18 | 1994-07-05 | Matsushita Electric Ind Co Ltd | Fluid driving pump |
| US20060165522A1 (en) * | 2001-04-26 | 2006-07-27 | Stefan Werner | Centrifugal pump, in particular a spirally-housed centrifugal pump for a heat exchange medium |
| CN101435440A (en) * | 2008-12-15 | 2009-05-20 | 上海福思特流体机械有限公司 | Pump warming method and device of high temperature pump |
| CN201723501U (en) * | 2010-06-22 | 2011-01-26 | 桐昆集团浙江恒通化纤有限公司 | Shield pump built-out cooling device |
| CN202789493U (en) * | 2012-09-28 | 2013-03-13 | 厦门力隆氨纶有限公司 | Clamping sleeve for cooling water of heat-transfer medium pump |
| CN204419554U (en) * | 2014-12-23 | 2015-06-24 | 东辰控股集团有限公司 | A kind of heating agent water pump adds Preheating unit |
-
2017
- 2017-07-11 CN CN201710558793.2A patent/CN107218253A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0196472A1 (en) * | 1985-03-13 | 1986-10-08 | Deutsche Vortex GmbH | Fluid pump |
| JPH06185490A (en) * | 1992-12-18 | 1994-07-05 | Matsushita Electric Ind Co Ltd | Fluid driving pump |
| US20060165522A1 (en) * | 2001-04-26 | 2006-07-27 | Stefan Werner | Centrifugal pump, in particular a spirally-housed centrifugal pump for a heat exchange medium |
| CN101435440A (en) * | 2008-12-15 | 2009-05-20 | 上海福思特流体机械有限公司 | Pump warming method and device of high temperature pump |
| CN201723501U (en) * | 2010-06-22 | 2011-01-26 | 桐昆集团浙江恒通化纤有限公司 | Shield pump built-out cooling device |
| CN202789493U (en) * | 2012-09-28 | 2013-03-13 | 厦门力隆氨纶有限公司 | Clamping sleeve for cooling water of heat-transfer medium pump |
| CN204419554U (en) * | 2014-12-23 | 2015-06-24 | 东辰控股集团有限公司 | A kind of heating agent water pump adds Preheating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735808A (en) * | 2019-11-28 | 2020-01-31 | 江苏科技大学 | pulsating flow enhanced cooling bearing seat device |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |
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| RJ01 | Rejection of invention patent application after publication |