CN106644308B - A kind of movable propeller turbine runner pressure resistance operating operation test system - Google Patents
A kind of movable propeller turbine runner pressure resistance operating operation test system Download PDFInfo
- Publication number
- CN106644308B CN106644308B CN201611253520.9A CN201611253520A CN106644308B CN 106644308 B CN106644308 B CN 106644308B CN 201611253520 A CN201611253520 A CN 201611253520A CN 106644308 B CN106644308 B CN 106644308B
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- pressure
- bye
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000032750 Device leakage Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The present invention relates to a kind of movable propeller turbine runner pressure resistance operating operation test systems, and the first, second, third and fourth pipeline including oil storage tank, connection oil storage tank and web, the first pipeline is connected through the 9th valve with the lower port of web draft cone；Second pipeline is successively connected through third oil pump and the 5th valve with the upper end opening of Hydraulic Turbine Rotor draft cone；Third pipeline begins to speak to be connected with close cavity through third valve and the 4th valve and web plunger shaft respectively；Third and fourth valve is also connected through third pipeline with one end of the first and second bye-passes, is respectively communicated on the first and second bye-passes equipped with the first and second oil pumps, the other end of the first and second bye-passes is connected to oil storage tank through the tenth valve；4th pipeline begins to speak to be connected with close cavity through the first valve and the second valve and web plunger shaft respectively；First, second, and third oil pump is electrically connected with a PLC controller.Pilot system piping connection provided by the invention is simple and reliable, easy to control.
Description
Technical field
The present invention relates to turbine test field more particularly to a kind of movable propeller turbine runner pressure resistance operating operation tests
System.
Background technique
The Flows below Shuikou Hydro-power Station hydraulic turbine is movable propeller turbine, model ZZa315-LJ-800, runner diameter: 8m, paddle
Number of sheets mesh: 6, maximum functional head: 57.8m, nominal operation head: 47.0m, minimum working head: 30.9m, metered flow:
478m 3/ s, nominal output: 204MW, First unit are put into commercial operation in August, 93, No. 1, No. 2 unit runners be day
This Hitachi, Ltd manufactures, and No. 3-No. 7 unit runners are that Harbin Electric Machinery Plant introduces the manufacture of Hitachi, Ltd's technology, and all seven
For unit in December, 1996 whole power generation, Flows below Shuikou Hydro-power Station turbine-generator units will have started the A grade of the first round in the end of the year 2000
Service work, runner pressure resistance and operating operation test after must being repaired according to national standards after runner maintenance, pass the test rear
It can come into operation, main program and requirement are as follows:
(1) it leak test: is carried out leak test 24 hours in 0.5MPa oil pressure, answers ne-leakage.
(2) blade operating operation test: in the case where testing oil pressure 0.5MPa, being kept for 16 hours, and movement continues 8 hours, grasps per hour
Make blade total travel switch 2~3 times, blade not rotation duration 8 hours, each blade oil leak amount does not allow per hour
More than 10mL, servomotor open and close chamber when checking the pressure difference and blade operating sensitivity of blade open and closed positions, and recording operation
Oil pressure；
(3) runner pressure test: carrying out oil test 2 hours under 6MPa oil pressure, should be without oil leak or other abnormal feelings
Condition.
The pressure resistance of Flows below Shuikou Hydro-power Station rotary wheel of water turbine and Operational Test Equipment are provided together by former Hitachi, Ltd's random groups equipment
A set of, by the use of many years, along with keeping of former installation unit during units' installation is not good at, which has been
Pipeline leakage and valves leakage, are not closed completely, and causing the pressure of runner pressure test to manage incessantly, per hour, operation blade switchs
Number the requirement number of maintenance procedure is not achieved, it is therefore necessary to redesign a set of new experimental rig.
Summary of the invention
In place of against the above deficiency, a kind of resistance to press operation of movable propeller turbine runner is provided
Pilot system, fuel feeding are stablized, and piping connection is simple and reliable, improve test efficiency.
The solution adopted by the present invention to solve the technical problem is that: a kind of movable propeller turbine runner pressure resistance operating operation test
System, the first pipeline, the second pipeline, third pipeline and the 4th including an oil storage tank, connection oil storage tank and Hydraulic Turbine Rotor
One end of pipeline, first pipeline is connected with oil storage tank, and the other end is through one the 9th valve and Hydraulic Turbine Rotor draft cone
Lower port be connected；One end of second pipeline is connected with oil storage tank, and the other end is successively through a third oil pump and the 5th
Valve is connected with a wherein upper port for Hydraulic Turbine Rotor draft cone；One end of the third pipeline is connected with oil storage tank
Logical, the other end begins to speak to be connected with close cavity through third valve and the 4th valve and Hydraulic Turbine Rotor plunger shaft respectively；It is described
Third valve and the 4th valve are also connected through third pipeline with one end of the first bye-pass and the second bye-pass, and described first
Be respectively communicated on pipeline and the second bye-pass equipped with the first oil pump and the second oil pump, the first bye-pass and the second bye-pass it is another
End is connected to oil storage tank through the tenth valve；One end of 4th pipeline is connected with oil storage tank, and the other end is respectively through the first valve
Door and the second valve and Hydraulic Turbine Rotor plunger shaft begin to speak to be connected with close cavity；First, second, and third oil pump and a PLC
Controller is electrically connected.
Further, the plunger shaft begins to speak and is respectively equipped with the 6th valve and the 7th valve in close cavity, and the described 6th
Connection is equipped with a first pressure gauge and second pressure gauge on valve and the 7th valve, the first pressure gauge and second pressure gauge with
The PLC controller is electrically connected.
Further, on the first pipeline other end also another through a third branch pipe and Hydraulic Turbine Rotor draft cone
Port is connected, and also connection is equipped with one the 8th valve on the third branch pipe, and the 8th valve and Hydraulic Turbine Rotor sluice
Connection is equipped with a third pressure gauge between another upper port of cone, and the third pressure gauge is electrically connected with the PLC controller.
Further, first oil pump and third oil pump are gear pump, and second oil pump is electric pressure test pump.
Further, the first, second, third and fourth pipeline and the first, second, and third bye-pass are high pressure rubber
Glue hose.
Compared with prior art, the invention has the following beneficial effects: being connected by Tube improvement, so that fuel feeding is more steady
It is fixed.
Detailed description of the invention
The invention patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the pilot system of the embodiment of the present invention.
In figure: the first pipeline of 1-；The second pipeline of 2-；3- third pipeline；The 4th pipeline of 4-；5- oil storage tank；The first oil pump of 6-；
The second oil pump of 7-；8- third oil pump；9- Hydraulic Turbine Rotor；10- draft cone；11- plunger shaft；The first valve of 12-；13- second
Valve；14- third valve；The 4th valve of 15-；The 5th valve of 16-；The 6th valve of 17-；The 7th valve of 18-；The 8th valve of 19-；
The 9th valve of 20-；The tenth valve of 21-；22- first pressure gauge；23- second pressure gauge；24- third pressure gauge.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of movable propeller turbine runner pressure resistance operating operation test system of the present embodiment, including a storage
Oil tank 5, the first pipeline 1, the second pipeline 2, third pipeline 3 and the 4th pipeline 4 for being connected to oil storage tank 5 and Hydraulic Turbine Rotor 9, institute
The one end for stating the first pipeline 1 is connected with oil storage tank 5, and the other end is through one the 9th valve 20 and 9 draft cone 10 of Hydraulic Turbine Rotor
Lower port be connected；One end of second pipeline 2 is connected with oil storage tank 5, and the other end is successively through a third oil pump 8 and
Five valves 16 are connected with a wherein upper port for 9 draft cone 10 of Hydraulic Turbine Rotor；One end of the third pipeline 3 and oil storage
Tank 5 is connected, and the other end beginning to speak and closing through third valve 14 and the 4th valve 15 and 9 plunger shaft 11 of Hydraulic Turbine Rotor respectively
Chamber is connected；The third valve 14 and the 4th valve 15 also through third pipeline 3 and the first bye-pass and the second bye-pass one
End is connected, and is respectively communicated on first bye-pass and the second bye-pass equipped with the first oil pump 6 and the second oil pump 7, first
The other end of pipeline and the second bye-pass is connected to oil storage tank 5 through the tenth valve 21；One end of 4th pipeline 4 and oil storage tank
5 are connected, the other end respectively through the first valve 12 and the second valve 13 and 9 plunger shaft 11 of Hydraulic Turbine Rotor begin to speak and close cavity
It is connected；First, second, and third oil pump 8 is electrically connected with a PLC controller.The plunger shaft 11 beginning to speak and setting respectively in close cavity
There are the 6th valve 17 and the 7th valve 18, is connected on the 6th valve 17 and the 7th valve 18 and is equipped with 22 He of a first pressure gauge
Second pressure gauge 23.
From the foregoing, the beneficial effects of the present invention are:
In the present embodiment, 1 other end of the first pipeline is also through a third branch pipe and 9 draft cone 10 of Hydraulic Turbine Rotor
Another upper port be connected, on the third branch pipe also connection be equipped with one the 8th valve 19, the 8th valve 19 and water wheels
Connection is equipped with a third pressure gauge 24, the third pressure gauge 24 and institute between another upper port of 9 draft cone 10 of machine web
PLC controller is stated to be electrically connected.The pressure in the draft cone 10 after the 8th valve 19 turns off or on is measured by third pressure gauge 24
Value.
In the present embodiment, first oil pump 6 and third oil pump 8 are gear pump, and second oil pump 7 is electronic pressure testing
Pump.Repairing or oil extraction are carried out by gear pump, gear pump model 2CY-12/2.5,12m3/h is reached on flow, for oil pressure
Power can meet the requirement of runner blade number of operations up to 2.5MPa.
In the present embodiment, the first, second, third and fourth pipeline 4 and the first, second, and third bye-pass are height
Press rubber hose.
Wherein the first, second, third and fourth valve 15 is all made of ball valve, and switch off time is short, and leakproofness is high, realizes fuel feeding
Pressure is stablized.
Specific implementation process of the invention:
The test method of the pressure-resistant operating operation test system provided through the invention includes that the runner tightness that successively carries out is resistance to
Pressure test, runner bucket operating operation test and runner piston/cylinder pressure test.
Wherein the pressure test of runner tightness the following steps are included:
The 9th valve 20 is closed, the 5th valve 16 and 19 valve of the 8th valve are opened；
Third oil pump 8 is opened, web is carried out and draft cone 10 is oil-filled, until the 8th valve 19 to 5 pipeline of oil storage tank has
After oil is emerged, third oil pump 8 is closed.
The 8th valve 19 is closed, third pressure gauge 24 is observed, third oil pump 8 is opened, when third pressure gauge 24 reaches
When 0.5MPa, third oil pump 8 and rapid 5th valve 16 are closed.
Observation third pressure gauge 24 continues if the pressure of third pressure gauge 24 has decline by above-mentioned step at regular intervals
Suddenly it suppresses.In pressure maintaining period, checks that draft cone 10 and web flange face sealing, blade seal, answer ne-leakage.Tightness pressure resistance
Test period is 16 hours.
Vane operation test the following steps are included:
The 6th valve 17, the 7th valve 18 and the tenth valve 21 are opened in advance,
The first oil pump 6 is opened, the first valve 12 and the 4th valve 15 are opened, closes the second valve 13 and third valve 14,
It begins to speak to lead to pressure oil, blade starts to open, and records the pressure value of second pressure gauge 23 at this time, and record the opening time.
When blade standard-sized sheet in place after, quickly open the second valve 13 and third valve 14, close the first valve 12 and the 4th
Valve 15.Blade is moved towards closing direction at this time, records the pressure value of first pressure gauge 22, and records the time that blade closes entirely,
Calculate time and record that blade operates one time from opening contract fully.
Above step passes are repeated, are operated blade completely open and close 2 to 3 times per hour.
8 hours of vane operation test duration observe operating pressure, should be no more than 15% rated operating pressure, draft cone 10
Tight, ne-leakage is answered with web flange face sealing, blade sealing device.Even if blade sealing device has slight leakage, each
Blade sealing device leakage hourly is also not greater than in GB 8564-2003 " water-turbine unit technical specification "
The requirement of table 8.
Piston/cylinder pressure test the following steps are included:
10 pressure test of draft cone at this time, vane operation test are completed, and open valve 6,7,10 in advance.
Close cavity pressure test: opening the second valve 13 and third valve 14, closes the first valve 12 and the 4th valve 15, beats
The second oil pump 7 is opened, the pressure value of first pressure gauge 22 is observed, when pressure reaches 1.25 times of rated operating pressure, closes second
Oil pump 7 stops suppressing, and closes the second valve 13 and third valve 14 rapidly.Observe the pressure value of first pressure gauge 22, pressure resistance
2 hours, cylinder cap and runner faying face answered ne-leakage, and piston close cavity draining valve answers ne-leakage, and pressure, which is able to maintain, to be stablized without decline.
It begins to speak pressure test: after laying down close cavity pressure, opening the first valve 12 and the 4th valve 15, close the second valve 13
With third valve 14, the second oil pump 7 is opened, observes the pressure value of second pressure gauge 23, pressure reaches rated operating pressure
At 1.25 times, the second oil pump 7 is closed, stops suppressing, and close the first valve 12 and the 4th valve 15 rapidly.Observe second pressure
Table 23, pressure resistance 2 hours, pressure should be able to keep stablizing without decline.
The pressure test of runner tightness and vane operation test can carry out simultaneously, and total time-consuming 16 hours.
In conclusion a kind of movable propeller turbine runner pressure resistance operating operation test system provided by the invention, fuel feeding are steady
Fixed, piping connection is simple and reliable, improves test efficiency.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of movable propeller turbine runner pressure resistance operating operation test system, it is characterised in that: including an oil storage tank, connection storage
Oil tank and the first pipeline of Hydraulic Turbine Rotor, the second pipeline, third pipeline and the 4th pipeline, one end of first pipeline with
Oil storage tank is connected, and the other end is connected through one the 9th valve with the lower port of Hydraulic Turbine Rotor draft cone；Second pipe
The one end on road is connected with oil storage tank, and the other end is successively through a third oil pump and the 5th valve and Hydraulic Turbine Rotor draft cone
Wherein a upper port is connected；One end of the third pipeline is connected with oil storage tank, and the other end is respectively through third valve and
Four valves begin to speak to be connected with close cavity with Hydraulic Turbine Rotor plunger shaft；The third valve and the 4th valve are also through third pipe
Road is connected with one end of the first bye-pass and the second bye-pass, is respectively communicated with and sets on first bye-pass and the second bye-pass
There are the first oil pump and the second oil pump, the other end of the first bye-pass and the second bye-pass is connected to oil storage tank through the tenth valve；Institute
The one end for stating the 4th pipeline is connected with oil storage tank, and the other end is living through the first valve and the second valve and Hydraulic Turbine Rotor respectively
Plug chamber begins to speak to be connected with close cavity；First, second, and third oil pump is electrically connected with a PLC controller;The plunger shaft is begun to speak
Be respectively equipped with the 6th valve and the 7th valve in close cavity, connection is equipped with a first pressure on the 6th valve and the 7th valve
Table and second pressure gauge, the first pressure gauge and second pressure gauge are electrically connected with the PLC controller;First pipeline is another
End is also connected through a third branch pipe with another upper port of Hydraulic Turbine Rotor draft cone, and also connection is set on the third branch pipe
There is one the 8th valve, is connected between the 8th valve and another upper port of Hydraulic Turbine Rotor draft cone and is equipped with a third pressure
Power table, the third pressure gauge are electrically connected with the PLC controller.
2. a kind of movable propeller turbine runner pressure resistance operating operation test system according to claim 1, it is characterised in that:
First oil pump and third oil pump are gear pump, and second oil pump is electric pressure test pump.
3. a kind of movable propeller turbine runner pressure resistance operating operation test system according to claim 1, it is characterised in that:
First, second, third and fourth pipeline and the first, second, and third bye-pass are high pressure rubber hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253520.9A CN106644308B (en) | 2016-12-30 | 2016-12-30 | A kind of movable propeller turbine runner pressure resistance operating operation test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253520.9A CN106644308B (en) | 2016-12-30 | 2016-12-30 | A kind of movable propeller turbine runner pressure resistance operating operation test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644308A CN106644308A (en) | 2017-05-10 |
| CN106644308B true CN106644308B (en) | 2018-12-11 |
Family
ID=58837024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611253520.9A Active CN106644308B (en) | 2016-12-30 | 2016-12-30 | A kind of movable propeller turbine runner pressure resistance operating operation test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644308B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524640B (en) * | 2017-09-27 | 2023-11-03 | 国网福建省电力有限公司 | Electrohydraulic control method and device for rotating wheel test of axial flow turbine |
| CN109238567B (en) * | 2018-08-03 | 2020-06-12 | 中国水利水电第五工程局有限公司 | Leakage overhauling construction method for rotating wheel |
| CN110907097B (en) * | 2019-12-18 | 2021-08-31 | 福建水口发电集团有限公司 | Axial-flow Kaplan turbine discharge cone pressure test device and control method |
| CN112834142B (en) * | 2020-12-29 | 2023-02-07 | 哈动国家水力发电设备工程技术研究中心有限公司 | Method for determining cavitation initial position of runner blade of axial flow model water turbine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU777535A1 (en) * | 1977-12-21 | 1980-11-07 | За витель | Apparatus for fluid-tightness testing of seals of working wheel blades of rotary blade hydroturbine |
| JPS5779293A (en) * | 1980-11-04 | 1982-05-18 | Mitsubishi Atom Power Ind Inc | High pressure pump for kaplan turbine circulation equipment |
| JP2008248761A (en) * | 2007-03-30 | 2008-10-16 | Kubota Corp | Hydraulic turbine power generating equipment |
| CN101893502A (en) * | 2010-06-29 | 2010-11-24 | 太平湾发电厂 | Method for testing leakage and operation of axial-flow Kaplan turbine runner without lifting same out of turbine pit |
| CN205015133U (en) * | 2015-09-25 | 2016-02-03 | 杭州力源发电设备有限公司 | Hydrostatic test instrument of high water head francis turbine spiral case |
-
2016
- 2016-12-30 CN CN201611253520.9A patent/CN106644308B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU777535A1 (en) * | 1977-12-21 | 1980-11-07 | За витель | Apparatus for fluid-tightness testing of seals of working wheel blades of rotary blade hydroturbine |
| JPS5779293A (en) * | 1980-11-04 | 1982-05-18 | Mitsubishi Atom Power Ind Inc | High pressure pump for kaplan turbine circulation equipment |
| JP2008248761A (en) * | 2007-03-30 | 2008-10-16 | Kubota Corp | Hydraulic turbine power generating equipment |
| CN101893502A (en) * | 2010-06-29 | 2010-11-24 | 太平湾发电厂 | Method for testing leakage and operation of axial-flow Kaplan turbine runner without lifting same out of turbine pit |
| CN205015133U (en) * | 2015-09-25 | 2016-02-03 | 杭州力源发电设备有限公司 | Hydrostatic test instrument of high water head francis turbine spiral case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644308A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644308B (en) | A kind of movable propeller turbine runner pressure resistance operating operation test system | |
| CN108105420A (en) | A kind of high-pressure hydraulic pump discharge control valve | |
| CN208363053U (en) | A kind of long diversion power station high head and large flow energy dissipating decompression drainage system | |
| CN204461702U (en) | A kind of device for detecting sealability of pressure vessel peculiar to vessel | |
| CN106500992B (en) | A kind of drainage engine kerosene servo mechanism ground experiment method | |
| CN202893752U (en) | Hydraulic cleaning device for pipelines | |
| CN102909199A (en) | Pipeline hydraulic cleaning device | |
| CN204479417U (en) | A kind of rock gas station process pipe gas pressure test system | |
| CN110030412A (en) | A kind of heavy caliber multistage pilot operated safety valve | |
| CN102839290B (en) | Peer sectional vacuum apparatus of reducing tanks and method | |
| CN101949403B (en) | Oil filter for industrial hydraulic and lubrication system | |
| CN104198189A (en) | Testing apparatus of engine valve mechanism rack | |
| CN107355573B (en) | Double-control parallel safety valve | |
| CN201866018U (en) | Oil filtering device for industrial hydraulic and lubricating system | |
| CN103836218A (en) | Valve for coke tower | |
| CN209782252U (en) | Equipment pipeline medium leakage detection function test device | |
| CN207777067U (en) | A kind of variable pitch cylinder system | |
| CN209326975U (en) | A kind of centrifuger differential mechanism experimental rig | |
| CN202955258U (en) | Valve for coke tower | |
| CN207210339U (en) | A kind of oil depot oil-filtering apparatus | |
| CN202258678U (en) | High-quality and high-efficiency expander oil compensating tool | |
| CN111879518A (en) | Lubricating oil pump air plug verification test device and test method | |
| CN202814802U (en) | Self-sealing pressurizing system of high-pressure water pressure test pipe machine | |
| CN206129745U (en) | Intelligence pneumatic cylinder self -bleeding system | |
| CN203809419U (en) | Hydraulic motor testing system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |