CN108678969A - A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment - Google Patents
A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment Download PDFInfo
- Publication number
- CN108678969A CN108678969A CN201810657356.0A CN201810657356A CN108678969A CN 108678969 A CN108678969 A CN 108678969A CN 201810657356 A CN201810657356 A CN 201810657356A CN 108678969 A CN108678969 A CN 108678969A
- Authority
- CN
- China
- Prior art keywords
- flange
- pump case
- rotor
- high vacuum
- vacuum environment
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 70
- 239000002826 coolant Substances 0.000 claims abstract description 58
- 238000010079 rubber tapping Methods 0.000 claims abstract description 23
- 239000000411 inducer Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor 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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of latent liquid type pipeline type cryogenic pumps suitable for high vacuum environment, it is intended to and it radiates to the motor of centrifugal pump and centrifugal pump, and centrifugal pump is made to adapt to different environment, its key points of the technical solution are that：A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment, including being equipped with inducer, impeller in pump case, pump case, motor is provided in pump case, motor includes stator and rotor, inducer and impeller are fixedly connected on the rotor, pump case both ends have been respectively fixedly connected with suction flange and outlet(discharge) flange, suction flange offers feeding-passage, outlet(discharge) flange offers tapping channel, pump case offers the interface channel that tapping channel is flowed into for the coolant liquid in feeding-passage, and rotor is rotationally connected with outlet(discharge) flange.A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment of the present invention, can radiate to the motor of centrifugal pump and centrifugal pump, and centrifugal pump is made to adapt to different environment.
Description
Technical field
The present invention relates to a kind of pumps, more specifically, it relates to a kind of latent liquid type pipeline type suitable for high vacuum environment
Cryogenic pump.
Background technology
It is both provided with cooling system in existing many mechanical equipments, cooling system is circulated by coolant liquid, to
Reach cooling mechanical equipment inner structure, in order to ensure coolant liquid circulates, cooling pipe is equipped with centrifugal pump, passes through centrifugation
Pump driving coolant liquid circulates.
Conventional centrifugal pump is exported using motor power, and motor must carry out heat exchange using air-cooled with extraneous air, therefore cannot
Closed external shell is integrated, therefore running environment is limited stringent.And for promoting centrifugal pump of coolant flow itself
With low temperature seal container, centrifugal pump can not cool down to centrifugal pump motor using air cooling way for installation.
Therefore need to propose a kind of new scheme to solve the problems, such as this.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of latent liquid suitable for high vacuum environment
Formula pipeline type cryogenic pump can radiate to the motor of centrifugal pump and centrifugal pump, and centrifugal pump is made to adapt to different environment.
The present invention above-mentioned technical purpose technical scheme is that：One kind being suitable for high vacuum environment
Latent liquid type pipeline type cryogenic pump, including be provided with inducer, impeller in pump case, the pump case, electricity be provided in the pump case
Machine, the motor include stator and rotor, and the inducer and impeller are fixedly connected on the rotor, the pump case both ends difference
It is fixedly connected with suction flange and outlet(discharge) flange, the suction flange offers feeding-passage, and the outlet(discharge) flange offers out
Expect that channel, the pump case offer the interface channel that tapping channel is flowed into for the coolant liquid in feeding-passage, the rotor turns
It is dynamic to be connected to the outlet(discharge) flange.
By using above-mentioned technical proposal, driving inducer and wheel rotation are rotated by rotor, to make coolant liquid by
Feeding-passage end flows into interface channel and coolant liquid is made to be flowed out from tapping channel, promotes coolant flow, while coolant liquid flows through
When interface channel, facilitates pump case inner cavity to carry out heat exchange with coolant liquid, the effect to cool down to pump case inner cavity is played, to reduce electricity
The temperature of machine can make the present invention adapt to different working environments in this way.
The present invention is further arranged to：The interface channel is set as several, and several interface channels uniformly divide
It is distributed in the pump case.
By using above-mentioned technical proposal, coolant liquid is can effectively improve from feeding-passage stream by several interface channels
It is uniformly distributed around pump case to the flow velocity of tapping channel, while by interface channel, pump case inner cavity is enable uniformly to cool down.
The present invention is further arranged to：The outlet(discharge) flange, which is offered, to be flowed into for coolant liquid in the tapping channel in pump case
The through-hole of chamber.
By using above-mentioned technical proposal, coolant liquid is facilitated to flow into pump case inner cavity from tapping channel by through-hole, simultaneously
Hotter coolant liquid outflow pump case inner cavity in pump case, to further cool down pump case inner cavity and motor, while coolant liquid is to motor
Rotor is lubricated.
The present invention is further arranged to：The through-hole is provided with the tune that coolant liquid in control tapping channel flows into pump case inner cavity
Save part.
By using above-mentioned technical proposal, facilitate the flow of control coolant liquid inflow pump case inner cavity by regulating part.
The present invention is further arranged to：The through-hole side wall offers internal thread, and the regulating part is threadedly connected to described
Through-hole.
By using above-mentioned technical proposal, by turning regulating part and regulating part being made to be tightened against through-hole or unscrew in logical
Hole facilitates control coolant liquid to flow into pump case inner cavity flow velocity by tapping channel.
The present invention is further arranged to：It is provided with bearing between the rotor and the outlet(discharge) flange.
By using above-mentioned technical proposal, rotor is facilitated to be rotated relative to outlet(discharge) flange by bearing.
The present invention is further arranged to：The through-hole towards the rotor deviate from suction flange one end, the coolant liquid by
Through-hole flows into the position of bearings between rotor and outlet(discharge) flange.
By using above-mentioned technical proposal, by flowing into the coolant liquid cooling shaft between rotor and outlet(discharge) flange by through-hole
It holds, and lubricates bearing, rotor is facilitated to rotate.
The present invention is further arranged to：The outlet(discharge) flange offers the connecting hole worn for stator conductor.
By using above-mentioned technical proposal, facilitate stator conductor to wear by connecting hole, at the same in connecting hole note set it is close
Sealing avoids the coolant liquid of chamber body from being flowed out by connecting hole.
In conclusion the invention has the advantages that：
When needing to drive coolant flow, inducer and wheel rotation are driven by rotor, and feed and lead to by impeller-driven
The coolant liquid of road position is flowed into interface channel and is flowed out from tapping channel, and to promote coolant flow, and coolant liquid flows through
When interface channel, coolant liquid carries out heat exchange with pump case inner cavity, has the function that cooling pump case inner cavity, and reduces the temperature of electricity；
Facilitate coolant liquid to flow into pump case inner cavity by through-hole simultaneously, further cools down motor, and lubrication can be played by coolant liquid
The effect of rotor.
Description of the drawings
Fig. 1 is the sectional view of the present embodiment；
Fig. 2 is the portions the A enlarged view of Fig. 1.
In figure：1, pump case；2, motor；3, stator；4, rotor；5, inducer；6, impeller；7, suction flange；8, method is exported
It is blue；9, feeding-passage；10, tapping channel；11, interface channel；12, through-hole；13, bearing；14, regulating part；15, internal thread；16、
Connecting hole.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment, as shown in Figure 1, including pump case 1, in pump case 1
It is provided with inducer 5 and impeller 6, motor 2 is also equipped in pump case 1, motor 2 includes stator 3 and rotor 4, and stator 3 is fixed on pump
1 inner wall of shell, rotor 4 is rotationally connected with pump case 1, and inducer 5 and impeller 6 are fixedly connected on rotor 4, the both ends point of pump case 1
It is not fixedly connected with suction flange 7 and outlet(discharge) flange 8, suction flange 7 is offered close to impeller 6, suction flange 7 for coolant liquid
The feeding-passage 9 of inflow, outlet(discharge) flange 8 offer the tapping channel 10 gone out for cooling liquid stream, and pump case 1 is offered for feeding-passage
Coolant liquid in 9 flows into the interface channel 11 in tapping channel 10, and interface channel 11 is close to 1 inner cavity of pump case, and rotor 4 is remote
One end from suction flange 7 is rotationally connected with outlet(discharge) flange 8.Driving inducer 5 is rotated by rotor 4 in this way and impeller 6 rotates,
To make coolant liquid flow into interface channel 11 by 9 end of feeding-passage and coolant liquid is made to be flowed out from tapping channel 10, promote coolant liquid
Flowing, while when coolant liquid flows through interface channel 11, facilitating 1 inner cavity of pump case to carry out heat exchange with coolant liquid, playing in pump case 1
The effect of chamber cooling can make the present invention adapt to different working environments in this way to reduce the temperature of motor 2；Pass through simultaneously
Suction flange 7 and outlet(discharge) flange 8 facilitate will be in the installation of impeller 6, inducer 5 and motor 2 and pump case 1.
The flow velocity of tapping channel 10 is flow to improve coolant liquid from feeding-passage 9, interface channel 11 is set as several,
And several interface channels 11 are uniformly distributed around pump case 1.It can effectively improve in this way by several interface channels 11 cold
But liquid flow to the flow velocity of tapping channel 10 from feeding-passage 9, while being uniformly distributed around pump case 1 by interface channel 11, makes pump
1 inner cavity of shell can uniformly cool down.
The rotor 4 of motor 2 is lubricated in order to facilitate coolant liquid, as depicted in figs. 1 and 2, outlet(discharge) flange 8 offers confession
Coolant liquid in tapping channel 10 flows into the through-hole 12 in pump case 1, and through-hole 12 is located at 4 position of center line of rotor, and through-hole 12
Towards rotor 4 far from 7 one end of suction flange, coolant liquid is facilitated to flow into 1 inner cavity of pump case from tapping channel 10 by through-hole 12, together
When pump case 1 in 1 inner cavity of hotter coolant liquid outflow pump case, to further cool down 1 inner cavity of pump case and motor 2, while coolant liquid
2 rotor 4 of motor is lubricated.It is also equipped with bearing 13 between rotor 4 and outlet(discharge) flange 8,4 phase of rotor is facilitated by bearing 13
Outlet(discharge) flange 8 is rotated, while by flowing into the coolant liquid cooling bearing between rotor 4 and outlet(discharge) flange 8 by through-hole 12
13, and bearing 13 is lubricated, facilitate rotor 4 to rotate.
The flow of 1 inner cavity of pump case is flowed into order to facilitate control coolant liquid, as shown in Fig. 2, through-hole 12 is provided with control discharging
Coolant liquid flows into the regulating part 14 of 1 inner chamber flow of pump case in channel 10, and 12 side wall of through-hole offers internal thread 15, regulating part
14 are threadedly connected to through-hole 12.By turning regulating part 14 and regulating part 14 being made to be tightened against through-hole 12 or unscrew in through-hole 12,
Control coolant liquid is facilitated to flow into 1 inner cavity flow velocity of pump case by tapping channel 10.
It is connect with extraneous power supply in order to facilitate 3 conducting wire of stator of motor 2, as shown in Figure 1, outlet(discharge) flange 8 offers confession
The connecting hole 16 that 3 conducting wire of stator is worn facilitates 3 conducting wire of stator to wear by connecting hole 16 in this way, while the note in connecting hole 16
If fluid sealant, the coolant liquid of chamber body is avoided to be flowed out by connecting hole 16.
When needing to drive coolant flow, inducer 5 and impeller 6 is driven to rotate by rotor 4, and driven by impeller 6
The coolant liquid of dynamic 9 position of feeding-passage is flowed into interface channel 11 and is flowed out from tapping channel 10, to promote coolant flow,
And coolant liquid, when flowing through interface channel 11, coolant liquid carries out heat exchange with 1 inner cavity of pump case, has the function that 1 inner cavity of cooling pump case,
And reduce the temperature of motor 2；Coolant liquid is facilitated to flow into 1 inner cavity of pump case by through-hole 12 simultaneously, further cooling motor 2, and
It can play the role of lubricated rotor 4 by coolant liquid.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment, including pump case（1）, the pump case（1）Interior setting
There is inducer（5）, impeller（6）, it is characterised in that：The pump case（1）Inside it is provided with motor（2）, the motor（2）Including stator
（3）And rotor（4）, the inducer（5）And impeller（6）It is fixedly connected on the rotor（4）, the pump case（1）Distinguish at both ends
It is fixedly connected with suction flange（7）And outlet(discharge) flange（8）, the suction flange（7）Offer feeding-passage（9）, the outlet
Flange（8）Offer tapping channel（10）, the pump case（1）It offers for feeding-passage（9）Interior coolant liquid flows into discharging
Channel（10）Interface channel（11）, the rotor（4）It is rotationally connected with the outlet(discharge) flange（8）.
2. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 1, it is characterised in that：
The interface channel（11）Several are set as, several interface channels（11）It is uniformly distributed in the pump case（1）.
3. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 2, it is characterised in that：
The outlet(discharge) flange（8）It offers for the tapping channel（10）Interior coolant liquid flows into pump case（1）The through-hole of inner cavity（12）.
4. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 3, it is characterised in that：
The through-hole（12）It is provided with control tapping channel（10）Interior coolant liquid flows into pump case（1）The regulating part of inner cavity（14）.
5. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 4, it is characterised in that：
The through-hole（12）Side wall offers internal thread（15）, the regulating part（14）It is threadedly connected to the through-hole（12）.
6. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 3, it is characterised in that：
The rotor（4）With the outlet(discharge) flange（8）Between be provided with bearing（13）.
7. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 6, it is characterised in that：
The through-hole（12）Towards the rotor（4）Away from suction flange（7）One end, the coolant liquid is by through-hole（12）Flow into rotor
（4）With outlet(discharge) flange（8）Between bearing（13）Position.
8. a kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment according to claim 1, it is characterised in that：
The outlet(discharge) flange（8）It offers for stator（3）The connecting hole that conducting wire is worn（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810657356.0A CN108678969A (en) | 2018-06-25 | 2018-06-25 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810657356.0A CN108678969A (en) | 2018-06-25 | 2018-06-25 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678969A true CN108678969A (en) | 2018-10-19 |
Family
ID=63812010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810657356.0A Pending CN108678969A (en) | 2018-06-25 | 2018-06-25 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725800A (en) * | 2019-11-12 | 2020-01-24 | 浙江理工大学 | Motor heat dissipation and rotating speed automatic adjusting method of pump |
| CN111852897A (en) * | 2020-07-10 | 2020-10-30 | 蓝添财 | Submersible pump lift control method and pump structure thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490528A (en) * | 2002-10-18 | 2004-04-21 | 新昌德力石化设备有限公司 | Oil-submersible pump |
| CN101846085A (en) * | 2010-06-08 | 2010-09-29 | 江苏大学 | Frequency conversion high-speed wet type submersible pump |
| CN204003509U (en) * | 2014-07-07 | 2014-12-10 | 中船重工重庆智能装备工程设计有限公司 | With the LNG immersed pump of motor cooling recirculation system and bearing self-lubricating structure |
| CN105090058A (en) * | 2015-09-10 | 2015-11-25 | 湖州三井低温设备有限公司 | Unpressurized LNG (Liquefied Natural Gas) immersed pump |
| CN208380897U (en) * | 2018-06-25 | 2019-01-15 | 杭州新亚低温科技有限公司 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
-
2018
- 2018-06-25 CN CN201810657356.0A patent/CN108678969A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490528A (en) * | 2002-10-18 | 2004-04-21 | 新昌德力石化设备有限公司 | Oil-submersible pump |
| CN101846085A (en) * | 2010-06-08 | 2010-09-29 | 江苏大学 | Frequency conversion high-speed wet type submersible pump |
| CN204003509U (en) * | 2014-07-07 | 2014-12-10 | 中船重工重庆智能装备工程设计有限公司 | With the LNG immersed pump of motor cooling recirculation system and bearing self-lubricating structure |
| CN105090058A (en) * | 2015-09-10 | 2015-11-25 | 湖州三井低温设备有限公司 | Unpressurized LNG (Liquefied Natural Gas) immersed pump |
| CN208380897U (en) * | 2018-06-25 | 2019-01-15 | 杭州新亚低温科技有限公司 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725800A (en) * | 2019-11-12 | 2020-01-24 | 浙江理工大学 | Motor heat dissipation and rotating speed automatic adjusting method of pump |
| CN111852897A (en) * | 2020-07-10 | 2020-10-30 | 蓝添财 | Submersible pump lift control method and pump structure thereof |
| CN111852897B (en) * | 2020-07-10 | 2021-08-13 | 中山市伊赫亚家电实业有限公司 | Submersible pump lift control method and pump structure thereof |
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| 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: 20181019 |
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| RJ01 | Rejection of invention patent application after publication |