CN107741296A - A kind of pressure sensor automatic debugging device with electric Proportion valve - Google Patents
A kind of pressure sensor automatic debugging device with electric Proportion valve Download PDFInfo
- Publication number
- CN107741296A CN107741296A CN201711142273.XA CN201711142273A CN107741296A CN 107741296 A CN107741296 A CN 107741296A CN 201711142273 A CN201711142273 A CN 201711142273A CN 107741296 A CN107741296 A CN 107741296A
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve
- magnetic valve
- temperature test
- test chamber
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 claims abstract description 48
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims description 6
- 241000486406 Trachea Species 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
Abstract
The present invention provides a kind of pressure sensor automatic debugging device with electric Proportion valve, and it includes；High-low temperature test chamber, pressure-regulating device, control system, it includes industrial computer, voltage module and magnetic valve driving mechanism, the break-make of the magnetic valve of magnetic valve driving mechanism difference control pressure adjusting means, voltage module is connected with the electric ratio adjusting valves of the SMC, industrial computer obtains the pressure value that second pressure gauge obtains, and according to the pressure value of setting, the on off operating mode of automatic regulating electromagnetic valve, and the magnitude of voltage of the electric ratio adjusting valves of SMC is adjusted by voltage module, realize the pressure linear change in high-low temperature test chamber, the change of pressure is realized by the electric ratio adjusting valve of break-make and SMC of corresponding magnetic valve, linear regulation can be carried out to the pressure in high-low temperature test chamber, any pressure allowed in pressure limit value can be set, improve and the accuracy of detection of pressure sensor is detected.
Description
Technical field
The present invention relates to a kind of pressure sensor automatic debugging device with electric Proportion valve, belong to environmental test equipment skill
Art field.
Background technology
With the continuous development of science and technology, people to the quality requirement more and more higher of product, stability including product,
The performances such as reliability, life-span, and for the element such as pressure sensor of in the market its detection effect, must be right before putting goods on the market
Its performance is fully detected, and the pressure detecting precision of wherein pressure sensor is one of market competitiveness important factor in order,
And the existing accuracy of detection for pressure sensor, all it is in high-temperature test chamber, by pressure in regulating box, to test mostly
The accuracy of detection of pressure sensor, and in the pressure detecting of existing high-temperature test chamber, then it is by different source of the gas and phase
Corresponding pipeline, respectively to carrying out pressure injection in high-temperature test chamber, the pressure in its pipeline all immobilizes, and in order to change
Transformation force value, then need to set some pipelines, cause detection device volume excessively huge.
The content of the invention
In order to overcome the technical deficiency of the above, the present invention provides a kind of pressure sensor with electric Proportion valve and debugged automatically
Device.
The present invention provides a kind of pressure sensor automatic debugging device with electric Proportion valve, and it includes；
High-low temperature test chamber, some interlayers are inside set, pressure sensor to be detected is placed between each interlayer；
Pressure-regulating device, the pressure-regulating device are connected with the high-low temperature test chamber, and regulating height temperature test box
Interior pressure value, it includes the first source of the gas and the second source of the gas, and the pressure value of the first source of the gas and the second source of the gas is different, wherein first
Source of the gas connects with stop valve, one-level pressure relief valve successively, and one-level pressure relief valve then respectively with magnetic valve S1's and second depressurized valve
Connection, the second depressurized valve is then electric with magnetic valve S2's and the electric ratio adjusting valves of SMC connection, the SMC respectively
Ratio adjusting valve then connects with magnetic valve S3, the magnetic valve S1, magnetic valve S2 and magnetic valve S3 then respectively with magnetic valve S8,
Magnetic valve S2 and restriction orifice connection, the restriction orifice then draws some tracheaes and connected with high-low temperature test chamber, and described the
Two sources of the gas then successively with magnetic valve S7, vacuum generator, vacuum tank pressure maintaining valve connection, the vacuum tank pressure maintaining valve then respectively with electricity
Magnet valve S8 and magnetic valve S6 connections, wherein magnetic valve S2 and magnetic valve S6 connect with relief pipeline, at the restriction orifice
Second pressure gauge is set, and the second pressure gauge is connected with control system, and pipeline pressure is sent to control system in real time；
Control system, respectively with the pressure-regulating device and the controllable connection of high-low temperature test chamber, it includes industrial computer, voltage
Module and magnetic valve driving mechanism, the break-make of the magnetic valve of the magnetic valve driving mechanism difference control pressure adjusting means,
The voltage module is connected with the electric ratio adjusting valves of the SMC, and the industrial computer obtains the pressure value that second pressure gauge obtains,
And according to the pressure value of setting, the on off operating mode of automatic regulating electromagnetic valve, and the electric proportion adjustments of SMC are adjusted by voltage module
The magnitude of voltage of valve, realize the pressure linear change in high-low temperature test chamber.
Some temperature transmitters are provided with the high-low temperature test chamber.
The high-low temperature test chamber and pressure-regulating device are communicated to connect with control system by RS232.
The control system is additionally provided with serial server, the high-low temperature test chamber and pressure-regulating device respectively with string
The serial ports connection of mouth server, the serial server are connected with industrial computer.
The industrial computer is connected by network interface interchanger with serial server.
The magnetic valve driving mechanism is relay driving control panel, and the relay control panel is provided with some relays,
And the relay connects with corresponding solenoid valve control respectively.
The control system is additionally provided with the oscillograph for detecting pressure sensor and equipment use state.
The outlet pipe of one-level pressure relief valve and vacuum tank pressure maintaining valve is equipped with spring safety valve.
Two groups of data wires are provided with the high-low temperature test chamber.
Beneficial effects of the present invention：The input of same pipeline different pressures is realized by the break-make of corresponding magnetic valve,
, can be to high-low temperature test chamber and the electric ratio adjusting valves of SMC are then realized changing for pressure by the voltage value changes of voltage module
Interior pressure carries out linear regulation, can set any pressure allowed in pressure limit value, improve to pressure sensor
Accuracy of detection detects.
Brief description of the drawings
Fig. 1 is the principle schematic of the high-low temperature test chamber of the present invention.
Fig. 2 is the principle schematic 1 of the control system of the present invention.
Fig. 3 is the principle schematic 2 of the control system of the present invention.
Fig. 4 is the principle schematic 3 of the control system of the present invention.
Fig. 5 is the principle schematic of the pressure-regulating device of the present invention.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with the accompanying drawings：
As illustrated, the present invention provides a kind of pressure sensor automatic debugging device with electric Proportion valve, it includes；
High-low temperature test chamber 2, some interlayers are inside set, pressure sensor 4 to be detected is placed between each interlayer；
Pressure-regulating device, the pressure-regulating device 11 are connected with the high-low temperature test chamber 2, and regulating height temperature is tested
Pressure value in case, it includes the first source of the gas and the second source of the gas, and the pressure value of the first source of the gas and the second source of the gas is different, wherein the
One source of the gas connects with stop valve, one-level pressure relief valve successively, and one-level pressure relief valve then respectively with magnetic valve S1's and second depressurized
The connection of valve, the second depressurized valve then respectively with magnetic valve S2's and the electric ratio adjusting valves of SMC connection, the SMC electricity
Gas ratio adjusting valve then connects with magnetic valve S3, the magnetic valve S1, magnetic valve S2 and magnetic valve S3 then respectively with magnetic valve
S8, magnetic valve S2 and restriction orifice connection, the restriction orifice is then drawn some tracheaes and connected with high-low temperature test chamber, described
Second source of the gas then successively with magnetic valve S7, vacuum generator, vacuum tank pressure maintaining valve connection, the vacuum tank pressure maintaining valve then respectively with
Magnetic valve S8 and magnetic valve S6 connections, wherein magnetic valve S2 and magnetic valve S6 connect with relief pipeline, in the restriction orifice
Place sets second pressure gauge, and the second pressure gauge is connected with control system, and pipeline pressure is sent to control system in real time,
Display numerical value in second pressure gauge seeks to be transported to the air pressure numerical value in high-low temperature test chamber.
First pressure table can be set in the escape pipe of vacuum tank pressure maintaining valve, for detecting the output gas of the second source of the gas in real time
Pressure.
And some tracheaes are drawn on restriction orifice, and accessed respectively from different height and positions in low high-temperature test chamber, can
To ensure that the pressure change in whole low high-temperature test chamber is uniform.
Control system, respectively with the pressure-regulating device and the controllable connection of high-low temperature test chamber, it include industrial computer,
Voltage module and magnetic valve driving mechanism 10, the magnetic valve of the magnetic valve driving mechanism difference control pressure adjusting means
Break-make, the voltage module are connected with the electric ratio adjusting valves of the SMC, and the industrial computer obtains the pressure that second pressure gauge obtains
Force value, and according to the pressure value of setting, the on off operating mode of automatic regulating electromagnetic valve, and SMC is adjusted by voltage module and electrically compared
The magnitude of voltage of example regulating valve, realizes the pressure linear change in high-low temperature test chamber.
The control system is additionally provided with two sets of Switching Power Supplies, and wherein first switch power supply 8 is then to voltage module 7, SMC electricity
Gas ratio adjusting valve and all solenoid valves, and second switch power supply 9 is then to relay driving control panel, serial server 5
Power supply, and testing pressure sensor is powered using D.C. regulated power supply.
Some temperature transmitters are provided with the high-low temperature test chamber, the temperature transmitter is then connected with industrial computer, can be with
Temperature detection is directly carried out, so as to realize the detection to the temperature change in high-low temperature test chamber in real time, then industrial computer can be with
Directly transmit temperature to instruct to high-low temperature test chamber, it is voluntarily adjusted the temperature of inside, to meet experiment demand.
The high-low temperature test chamber and pressure-regulating device are communicated to connect with control system by RS232.
The control system is additionally provided with serial server, the high-low temperature test chamber and pressure-regulating device respectively with string
The serial ports connection of mouth server, the serial server are connected with industrial computer.
The industrial computer 1 is connected by network interface interchanger 6 with serial server 5.
The magnetic valve driving mechanism is relay driving control panel, and the relay control panel is provided with some relays,
And the relay connects with corresponding solenoid valve control respectively.
The control system is additionally provided with the oscillograph for detecting pressure sensor and equipment use state.
The outlet pipe of one-level pressure relief valve and vacuum tank pressure maintaining valve is equipped with spring safety valve, sets spring safety valve,
When manifold pressure exceeds specification, the spring safety valve can releasing pressure automatically, with ensure security in high-low temperature test chamber and
The accuracy of Data Detection.
Is provided with two groups of data wires in the high-low temperature test chamber, high-low temperature test chamber is interior to be provided with 8 planks, wherein 1,3,5,
7 be one group, and 2,4,6,8 be one group, and 2 groups are communicated by two groups of data wires respectively, can accelerate debugging progress.
Operating procedure is as follows：
1. preparing, all valves keep normality；
2. pressure adjustment step is as follows
As P ＜ 0.1MPa, magnetic valve S6, magnetic valve S2 are closed；
Opens solenoid valve S8, it is then turned on magnetic valve S7.
As 0.1MPa≤P≤1.0MPa,
Adjust SMC air pressure；Magnetic valve S2 is closed, then opens magnetic valve S5；
As 1.0MPa ＜ P≤1.6MPa,
Magnetic valve S2 is closed, then opens magnetic valve S3 or magnetic valve S1；
3. finishing, return to normal.
Based on above-mentioned technology, the present invention can automatically adjust different temperatures, different pressures to the pressure in high-low temperature test chamber
It is configured, so as to reach the effect of regulation pressure sensor.
Embodiment is not construed as limitation of the present invention, any spiritual improvements introduced based on the present invention, all Ying Ben
Within the protection domain of invention.
Claims (9)
- A kind of 1. pressure sensor automatic debugging device with electric Proportion valve, it is characterised in that：It includes；High-low temperature test chamber, some interlayers are inside set, pressure sensor to be detected is placed between each interlayer；Pressure-regulating device, the pressure-regulating device are connected with the high-low temperature test chamber, and regulating height temperature test box Interior pressure value, it includes the first source of the gas and the second source of the gas, and the pressure value of the first source of the gas and the second source of the gas is different, wherein first Source of the gas connects with stop valve, one-level pressure relief valve successively, and one-level pressure relief valve then respectively with magnetic valve S1's and second depressurized valve Connection, the second depressurized valve is then electric with magnetic valve S2's and the electric ratio adjusting valves of SMC connection, the SMC respectively Ratio adjusting valve then connects with magnetic valve S3, the magnetic valve S1, magnetic valve S2 and magnetic valve S3 then respectively with magnetic valve S8, Magnetic valve S2 and restriction orifice connection, the restriction orifice then draws some tracheaes and connected with high-low temperature test chamber, and described the Two sources of the gas then successively with magnetic valve S7, vacuum generator, vacuum tank pressure maintaining valve connection, the vacuum tank pressure maintaining valve then respectively with electricity Magnet valve S8 and magnetic valve S6 connections, wherein magnetic valve S2 and magnetic valve S6 connect with relief pipeline, at the restriction orifice Second pressure gauge is set, and the second pressure gauge is connected with control system, and pipeline pressure is sent to control system in real time；Control system, respectively with the pressure-regulating device and the controllable connection of high-low temperature test chamber, it includes industrial computer, voltage Module and magnetic valve driving mechanism, the break-make of the magnetic valve of the magnetic valve driving mechanism difference control pressure adjusting means, The voltage module is connected with the electric ratio adjusting valves of the SMC, and the industrial computer obtains the pressure value that second pressure gauge obtains, And according to the pressure value of setting, the on off operating mode of automatic regulating electromagnetic valve, and the electric proportion adjustments of SMC are adjusted by voltage module The magnitude of voltage of valve, realize the pressure linear change in high-low temperature test chamber.
- A kind of 2. pressure sensor automatic debugging device with electric Proportion valve according to claim 1, it is characterised in that Some temperature transmitters are provided with the high-low temperature test chamber.
- 3. a kind of pressure sensor automatic debugging device with electric Proportion valve according to claim 1 or 2, its feature exist In the high-low temperature test chamber and pressure-regulating device are communicated to connect with control system by RS232.
- A kind of 4. pressure sensor automatic debugging device with electric Proportion valve according to claim 3, it is characterised in that The control system is additionally provided with serial server, the high-low temperature test chamber and pressure-regulating device respectively with serial server Serial ports connection, the serial server is connected with industrial computer.
- A kind of 5. pressure sensor automatic debugging device with electric Proportion valve according to claim 4, it is characterised in that The industrial computer is connected by network interface interchanger with serial server.
- A kind of 6. pressure sensor automatic debugging device with electric Proportion valve according to claim 1, it is characterised in that The magnetic valve driving mechanism is relay driving control panel, and the relay control panel is provided with some relays, and it is described after Electrical equipment connects with corresponding solenoid valve control respectively.
- A kind of 7. pressure sensor automatic debugging device with electric Proportion valve according to claim 1, it is characterised in that The control system is additionally provided with the oscillograph for detecting pressure sensor and equipment use state.
- A kind of 8. pressure sensor automatic debugging device with electric Proportion valve according to claim 1, it is characterised in that The outlet pipe of one-level pressure relief valve and vacuum tank pressure maintaining valve is equipped with spring safety valve.
- A kind of 9. pressure sensor automatic debugging device with electric Proportion valve according to claim 1, it is characterised in that Two groups of data wires are provided with the high-low temperature test chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142273.XA CN107741296B (en) | 2017-11-17 | 2017-11-17 | Automatic pressure sensor debugging device with electric proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711142273.XA CN107741296B (en) | 2017-11-17 | 2017-11-17 | Automatic pressure sensor debugging device with electric proportional valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741296A true CN107741296A (en) | 2018-02-27 |
| CN107741296B CN107741296B (en) | 2024-01-19 |
Family
ID=61233436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711142273.XA Active CN107741296B (en) | 2017-11-17 | 2017-11-17 | Automatic pressure sensor debugging device with electric proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741296B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812929A (en) * | 2022-04-25 | 2022-07-29 | 德丰电创科技股份有限公司 | Life test device and system |
| CN114910214A (en) * | 2022-05-10 | 2022-08-16 | 中国航空工业集团公司哈尔滨空气动力研究所 | Ground testing device for pulsating pressure sensor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06241935A (en) * | 1993-02-17 | 1994-09-02 | Shimadzu Corp | Air pressure setting device |
| US6505501B1 (en) * | 1995-08-02 | 2003-01-14 | Bg Plc | Apparatus and method for use in testing gas pressure reduction equipment |
| CN101762300A (en) * | 2009-12-30 | 2010-06-30 | 天信仪表集团有限公司 | Volume correction instrument with wireless data transmission function |
| CN101916108A (en) * | 2010-08-31 | 2010-12-15 | 上海交通大学 | Automation device for use in civil aircraft environment control system function test |
| CN202092821U (en) * | 2011-06-16 | 2011-12-28 | 天信仪表集团有限公司 | Intrinsic safe digital pressure transducer |
| CN102445303A (en) * | 2011-11-28 | 2012-05-09 | 武汉理工大学 | Experiment table for mass calibration of oil pressure sensor |
| CN203519254U (en) * | 2013-10-28 | 2014-04-02 | 珠海格力电器股份有限公司 | Detection apparatus and system for pressure sensor |
| CN104697775A (en) * | 2015-03-17 | 2015-06-10 | 深圳市亿威仕流体控制有限公司 | Automatic precise debugging system of gas lift valve |
| CN106840542A (en) * | 2016-12-27 | 2017-06-13 | 深圳市朗能动力技术有限公司 | Air tightness detection system and its detection method in a kind of application new energy battery bag |
| CN207423444U (en) * | 2017-11-17 | 2018-05-29 | 天信仪表集团有限公司 | A kind of pressure sensor automatic debugging device with electric Proportion valve |
-
2017
- 2017-11-17 CN CN201711142273.XA patent/CN107741296B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06241935A (en) * | 1993-02-17 | 1994-09-02 | Shimadzu Corp | Air pressure setting device |
| US6505501B1 (en) * | 1995-08-02 | 2003-01-14 | Bg Plc | Apparatus and method for use in testing gas pressure reduction equipment |
| CN101762300A (en) * | 2009-12-30 | 2010-06-30 | 天信仪表集团有限公司 | Volume correction instrument with wireless data transmission function |
| CN101916108A (en) * | 2010-08-31 | 2010-12-15 | 上海交通大学 | Automation device for use in civil aircraft environment control system function test |
| CN202092821U (en) * | 2011-06-16 | 2011-12-28 | 天信仪表集团有限公司 | Intrinsic safe digital pressure transducer |
| CN102445303A (en) * | 2011-11-28 | 2012-05-09 | 武汉理工大学 | Experiment table for mass calibration of oil pressure sensor |
| CN203519254U (en) * | 2013-10-28 | 2014-04-02 | 珠海格力电器股份有限公司 | Detection apparatus and system for pressure sensor |
| CN104697775A (en) * | 2015-03-17 | 2015-06-10 | 深圳市亿威仕流体控制有限公司 | Automatic precise debugging system of gas lift valve |
| CN106840542A (en) * | 2016-12-27 | 2017-06-13 | 深圳市朗能动力技术有限公司 | Air tightness detection system and its detection method in a kind of application new energy battery bag |
| CN207423444U (en) * | 2017-11-17 | 2018-05-29 | 天信仪表集团有限公司 | A kind of pressure sensor automatic debugging device with electric Proportion valve |
Non-Patent Citations (1)
| Title |
|---|
| 张素枝;尹逍渊;: "一种电气比例阀的压力调控方法", 电子工业专用设备, no. 04 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812929A (en) * | 2022-04-25 | 2022-07-29 | 德丰电创科技股份有限公司 | Life test device and system |
| CN114910214A (en) * | 2022-05-10 | 2022-08-16 | 中国航空工业集团公司哈尔滨空气动力研究所 | Ground testing device for pulsating pressure sensor |
| CN114910214B (en) * | 2022-05-10 | 2023-10-27 | 中国航空工业集团公司哈尔滨空气动力研究所 | Ground testing device for pulse pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107741296B (en) | 2024-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207423444U (en) | A kind of pressure sensor automatic debugging device with electric Proportion valve | |
| CN104990669B (en) | Surge pressure sensor field calibration device | |
| CN202561440U (en) | Control device for liquid nitrogen transport system | |
| CN107741296A (en) | A kind of pressure sensor automatic debugging device with electric Proportion valve | |
| CN201828387U (en) | Testing platform for high-and low pressure air valves | |
| CN209745566U (en) | Test device for thrust adjusting system of rocket engine | |
| CN103791985A (en) | Static state standard cubic meter calibration device and calibration method of static state standard cubic meter calibration device | |
| CN203519254U (en) | Detection apparatus and system for pressure sensor | |
| CN206387538U (en) | A kind of device for calibrating high static pressure differential pressure device | |
| CN101794158B (en) | Gas pressure and flow control device of humidity generator | |
| CN103487219A (en) | Small general-purpose plane cockpit and fuel tank integrated gas tightness detecting system | |
| WO2014081058A1 (en) | Portable gas pressure testing device and testing method using same | |
| CN205879909U (en) | Gaseous detector is aging testing device in batches | |
| CN204301943U (en) | Gas pressure regulator, governor detection air-channel system | |
| CN210426998U (en) | Testing device for vehicle high-pressure hydrogen pressure reducing valve | |
| CN203405729U (en) | Testing device of rail transit brake control device | |
| CN102591373B (en) | Secondary series-connection enclosed-loop pressure-stabilizing air source with high accuracy for instrument | |
| CN203365058U (en) | Multi-station differential pressure and pressure transmitter calibration table | |
| CN106768058A (en) | One kind shut-off valve test device | |
| KR20140039134A (en) | Low pressure drop blender | |
| CN108240889B (en) | Device and method for calibrating high static pressure differential pressure device | |
| CN106908196B (en) | A kind of aircraft engine test stand pressure instrumentataion calibrating installation and calibration method | |
| CN204269293U (en) | Low static pressure differential pressure producer | |
| CN204494089U (en) | A kind of air feed switching device | |
| CN203981845U (en) | Buchholz relay on-site calibration device |
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 |