CN118066475A - Ship aviation kerosene conveying system - Google Patents
Ship aviation kerosene conveying system Download PDFInfo
- Publication number
- CN118066475A CN118066475A CN202410349407.9A CN202410349407A CN118066475A CN 118066475 A CN118066475 A CN 118066475A CN 202410349407 A CN202410349407 A CN 202410349407A CN 118066475 A CN118066475 A CN 118066475A
- Authority
- CN
- China
- Prior art keywords
- aviation kerosene
- unit
- storage tank
- input
- pump
- 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
- 239000003350 kerosene Substances 0.000 title claims abstract description 104
- 238000001914 filtration Methods 0.000 claims description 27
- 238000005070 sampling Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The embodiment of the invention provides a ship aviation kerosene conveying system. The system comprises: the system comprises an aviation kerosene oil storage tank, a pump unit, a distribution unit and an input and output unit; the aviation kerosene oil storage tank is connected with the pump unit, the distribution unit and the input and output unit through pipelines; the aviation kerosene oil storage tank, the pump unit, the distribution unit and the input and output unit are integrated with valve pieces and are used for controlling pipeline switches; when the helicopter of the ship is refueled, the corresponding valve element is started through the distribution unit, the oil pump of the pump unit is started, aviation kerosene of the aviation kerosene oil storage tank passes through the pump unit and the distribution unit, the helicopter is refueled through the oiling gun of the distribution unit, and the input and output unit is in a closed state at the moment. The requirements of aviation kerosene transportation and actual use are met, and the requirements of ship actual use are met.
Description
Technical Field
The application relates to the technical field of ship aviation kerosene transportation, in particular to a ship aviation kerosene transportation system.
Background
With the continuous development of the ship market and the development of ship functions, the communication among ships is more frequent, and the multifunctional ships are correspondingly increased; the current stage platforms, living vessels and multifunctional vessels are all equipped with helicopter decks: the aviation kerosene used for helicopter parking and helicopter maintenance is rapidly developed. Helicopter fueling equipment is conventionally disposed near the helicopter deck, and a helicopter fueling system is generally configured with three major modules: aviation kerosene oil storage tank, pump unit and distribution unit can only satisfy the basic requirement of standard CAP 437: the system can supply oil to the helicopter, can supply oil from outside or supply external ships for use, and is multifunctional and practical.
Disclosure of Invention
The invention aims to provide a ship aviation kerosene conveying system, which solves the requirements of aviation kerosene conveying and actual use, and meets the requirements of both standard requirements and actual use of ships.
A marine aviation kerosene delivery system comprising: the system comprises an aviation kerosene oil storage tank, a pump unit, a distribution unit and an input and output unit;
The aviation kerosene oil storage tank is connected with the pump unit, the distribution unit and the input and output unit through pipelines;
the aviation kerosene oil storage tank, the pump unit, the distribution unit and the input and output unit are integrated with valve pieces and are used for controlling pipeline switches;
when the helicopter of the ship is refueled, the corresponding valve element is started through the distribution unit, the oil pump of the pump unit is started, aviation kerosene of the aviation kerosene oil storage tank passes through the pump unit and the distribution unit, the helicopter is refueled through the oiling gun of the distribution unit, and the input and output unit is in a closed state at the moment.
In some embodiments, the aviation kerosene storage tank, the pump unit, the distribution unit, and the input and output unit are integrated with valve elements, comprising: the aviation kerosene oil storage tank, the pump unit and the distribution unit are respectively provided with a remote control valve and a manual valve at the inlet and outlet positions.
In some embodiments, the aviation kerosene storage tank, the pump unit, the distribution unit, and the input and output unit are integrated with valve elements, comprising: and valves at the outlet positions of the aviation kerosene oil storage tank, the pump unit and the distribution unit are stop check valves.
In some embodiments, the aviation kerosene storage tank and the pump unit, the distribution unit and the input and output unit are provided with a bleed pipe or a bleed plug, and an oil blocking flat iron is arranged around the equipment.
In some embodiments, the dispensing unit outlet is provided with a flow meter for metering the volume of aviation kerosene output.
In some embodiments, the input and output unit is configured with a filtering detector and sampling ports at the inlet and outlet of the filtering detector.
In some embodiments, a shut-off check valve is provided at the outlet of the filter detector.
In some embodiments, the inlet and outlet unit inlet and outlet lines are equipped with flow meters for measuring the volume of incoming aviation kerosene.
In some embodiments, the input and output unit is provided with a shut-off check valve in the discharge line.
In some embodiments, the pump unit should be equipped with a filter detector and sampling ports at the filter detector inlet and outlet.
According to the ship aviation kerosene conveying system provided by the embodiment of the application, the input and output units are added, which is equivalent to adding the input system and the output system, so that the aviation kerosene is convenient to inject and discharge, the volume problem of the oil storage tank is solved, and the navigation time of a helicopter is prolonged; the control performance of the system is improved, the valve element connected with the unit is a remote control valve, and the automatic control is achieved through a control box; the multifunctional system meets the actual use requirement of the ship and solves the problems existing in the current reality.
Drawings
The drawings illustrate generally, by way of example and not by way of limitation, various embodiments discussed herein.
FIG. 1 is a schematic diagram of a marine aviation kerosene delivery system;
FIG. 2 is a schematic illustration of an embodiment of aviation kerosene fueling for a marine aviation kerosene delivery system;
FIG. 3 is a schematic illustration of an embodiment of a marine aviation kerosene input system;
FIG. 4 is a schematic diagram of an embodiment of the aviation kerosene output of the marine aviation kerosene delivery system.
Symbol description:
1. The system comprises an oil storage tank, a remote control valve (a-d), an oil pump (a-b), a stop check valve (a-f), a stop valve (a-h), a filtering detector (a-c), a flowmeter (a-c), an oil gun, a 9.Y type filter and a control box (a-b).
Detailed Description
For a more complete understanding of the nature and the technical content of the embodiments of the present application, reference should be made to the following detailed description of embodiments of the application, taken in conjunction with the accompanying drawings, which are meant to be illustrative only and not limiting of the embodiments of the application.
In describing embodiments of the present application, unless otherwise indicated and limited thereto, the term "connected" should be construed broadly, for example, it may be an electrical connection, or may be a communication between two elements, or may be a direct connection, or may be an indirect connection via an intermediate medium, and it will be understood by those skilled in the art that the specific meaning of the term may be interpreted according to circumstances.
It should be noted that, the term "first\second\third" related to the embodiment of the present application is merely to distinguish similar objects, and does not represent a specific order for the objects, it is to be understood that "first\second\third" may interchange a specific order or sequence where allowed. It is to be understood that the "first\second\third" distinguishing objects may be interchanged where appropriate such that embodiments of the application described herein may be practiced in sequences other than those illustrated or described herein.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The invention aims to provide a ship aviation kerosene conveying system. The system includes the fields of helicopter oiling and aviation kerosene input and output. The system can automatically operate according to actual use requirements: the remote control mode is adopted to carry out the operations of refueling of the helicopter and input and output of aviation kerosene, thereby meeting the actual use requirements of ships and platforms.
The parts provided by the invention are as follows:
a marine aviation kerosene delivery system comprising the following components: aviation kerosene oil storage tank, pump unit, distribution unit, input/output unit, and the like
Note that: the oil storage tank is connected with each unit through a pipeline, and the valve parts are integrated on each unit and the oil storage tank.
The technical scheme of the ship aviation kerosene conveying system is as follows:
Aviation kerosene refueling state:
when the helicopter of the ship needs to be refueled, a control box refueling button of the distribution unit is opened, a corresponding valve is automatically opened, an oil pump of the pump unit is started, aviation kerosene of the oil storage tank is refueled to the helicopter through the pump unit and the distribution unit through a refueling gun of the distribution unit, and the input and output unit is in a closed state at the moment.
Preferably, the designs of the oil storage tank, the pump unit and the distribution unit can be configured according to the specification CAP437 requirement, and can also be increased according to the requirements of the ship (the specification is the minimum requirement);
Preferably, the inlet and outlet positions of the oil storage tank, the pump unit and the distribution unit are provided with remote control valves and manual valves, so that the safe usability of the system and the future maintenance are ensured, and the remote control function is added; and (3) injection: the manual valve is in an open state;
preferably, the outlet position valves of the oil storage tank, the pump group and the distribution unit are stop check valves, so as to prevent the backflow of aviation kerosene;
Preferably, each unit and each device are provided with a discharge pipe or a discharge plug, and oil blocking flat irons are arranged around the devices to ensure that oil products are not leaked;
Preferably, a flow meter is provided at the outlet of the distribution unit in order to meter the volume of aviation kerosene output.
Aviation kerosene input state:
When the volume of the oil storage tank needs to be replenished, the oil storage tank is stopped at an oil supply ship or a port equipped with aviation kerosene, the oil storage tank is connected to a pairing joint of the input and output unit through a hose, an input button of a control box of the input and output unit is opened, the external aviation kerosene is conveyed to the oil storage tank after being filtered through a valve, a flowmeter, a filtering detector and the like of the input and output unit, the input volume is measured through a liquid level meter, a high-level alarm and a flowmeter of the oil storage tank, and the quantity of the oil storage tank can be increased appropriately according to requirements.
Preferably, a double valve is used at the inlet of the tank: the remote control valve and the manual valve are used for controlling the entry of aviation kerosene;
preferably, the input and output unit is provided with a filtering detector, and a sampling port is arranged at an inlet and an outlet of the filtering detector, so that the quality of the input oil product must be ensured;
preferably, in order to ensure the safe use of the filtering detector, a stop check valve is arranged at the outlet to prevent the oil backflow from affecting the use of the filtering detector;
Preferably, an inlet pipeline of the input and output unit is provided with a flowmeter, the volume of the input aviation kerosene is measured, and the consistency of the numerical value of the flowmeter and the display of a liquid level meter of the oil storage tank and the later settlement are ensured;
Preferably, each unit and each device are provided with a discharge pipe or a discharge plug, and an oil blocking flat iron is arranged around the device to ensure that oil is not leaked.
Aviation kerosene output state:
when aviation kerosene is needed by external ships or equipment, the pairing joint of the input and output unit can be connected, the output button of the control box of the input and output unit is opened, the remote control valves of the oil storage tank and the pump set unit are opened, the oil pump of the pump set unit is started, and the aviation kerosene is conveyed to related ships or equipment through the oil storage tank, the pump set unit and the input and output unit.
Preferably, the discharge pipeline of the input and output unit is provided with a flowmeter for measuring and outputting the volume of aviation kerosene, so that the numerical value of the flowmeter is consistent with the display of the liquid level meter of the oil storage tank and the later settlement is ensured;
preferably, the input and output unit is provided with a stop check valve in the discharge pipeline, so that normal use of two working conditions of input and output is ensured;
Preferably, in order to ensure the cleanliness of the oil output, the pump unit should be provided with a filtering detector, and a sampling port is arranged at the inlet and the outlet of the filtering detector;
preferably, in order to ensure smooth operation of the whole system, the oil pump of the pump unit is used in one standby mode;
preferably, the outlet position of the pump unit is provided with a stop check valve to prevent backflow of oil.
The system comprises a helicopter oiling system, an aviation kerosene input system and an aviation kerosene output system.
The aviation kerosene conveying system provided by the invention has the following advantages compared with the prior art:
1. The oil storage tank, the pump unit, the distribution unit and the input and output unit are all in a module form, so that the purchasing cost is reduced and the requirement on equipment arrangement space is reduced;
2. The function aspect is improved, and a helicopter oiling system, an aviation kerosene input system and an aviation kerosene output system are covered;
3. The control aspect is greatly improved, and remote control operation is performed on the control box;
4. because the system adopts a module form, different modules can be selected according to different requirements;
5. the volume of the discharged oil product can be accurately measured, and the cleanliness of the oil product input and output is ensured.
The principle of the invention is as follows:
The invention can be divided into four parts: an oil storage tank, a pump unit, a distribution unit and an input and output unit. Three major systems can be integrated: helicopter refueling system, aviation kerosene input system and aviation kerosene output system. The general principle is as follows:
Helicopter fueling system: opening a oiling button of the distribution unit, starting an oil pump of the pump unit, conveying aviation kerosene of the oil storage tank to the pump unit through a pipeline, conveying oil products to the distribution unit after filtering and detecting of the pump unit, and conveying the oil products to a required helicopter or equipment through an oiling gun after secondary filtering and detecting.
Aviation kerosene input system: when the oil storage tank needs to be filled, connecting an oil receiving hose of an external ship/port to a mating connector of the input and output unit; after the butt joint is finished, an 'input' button of the input and output unit is opened, oil inlet remote control valves of the oil storage tank and the input and output unit are opened, an external oil pump is started, external aviation kerosene is finally conveyed to the oil storage tank after being filtered and detected by a flowmeter of the input and output unit, and after the high-level alarm of the oil storage tank is finished, the external oil pump is stopped, and an oil conveying program is finished.
Aviation kerosene output system: when aviation kerosene needs to be filled into an external ship/device, an oil receiving hose of the external ship/device is connected to a matched joint of an input and output unit, an output button of the input and output unit is started, a remote control valve 2d of an oil storage tank and a pump set unit is opened, an oil pump of the pump set unit is started, and aviation kerosene of the oil storage tank is conveyed to the external ship or device through a pipeline, a pump set of the pump set unit and a filtering detector by the input and output unit.
The following are some examples of embodiments of the marine aviation kerosene delivery system of the present invention, as illustrated in FIGS. 1-4:
1. An example of aviation kerosene fueling implementation is shown in fig. 2:
when the helicopter on the helicopter deck needs to be refueled, the "refueled" button of the control box 10a in the dispensing unit can be opened: the remote control valve 2b/2c is opened, and the oil pump 3a (the oil pump 3b is standby) is started; aviation kerosene passes through a pipeline and a valve element 2b/5b/5c from an oil storage tank 1; after primary filtration by the Y-shaped filter 9, the oil is conveyed to a filtering detector 6a through an oil pump 3a for secondary filtration and detection;
the aviation kerosene filtered for 2 times reaches the filtering detector 6b through the pipeline again, three-stage filtering and detection are carried out, the aviation kerosene passes through the flowmeter 7a, and finally, the helicopter or the equipment is refueled through the refueling gun 8.
In the example, the outlet of the tank 1 is controlled with a double valve: the remote control valve 2b and the stop valve 5b effectively ensure the maintenance and control of the oil storage tank 1, the stop valve 5b is in a normally open state, and the remote control valve 2b provides remote operation for the operation.
In an example, to facilitate operation of the system, the remote control valve is normally closed and the other valve members are normally open except for the need to operate the remote control valve.
In the example, in order to prevent the backflow of aviation kerosene, the outlets of the oil pumps 3a/3b are provided with stop check valves 4a/4b and the front of the oil gun 8 is also provided with a stop check valve 4c;
In the example, in order to satisfy the dismouting and the maintenance of large-scale equipment, arrange the valve member in front and back of oil pump, oil storage tank and filtration detector and conveniently overhaul.
In the example, a pump unit and a distribution unit are provided with filtering detectors 6a/6b, sampling ports are added at the front and rear positions of the filtering detectors, and the quality of oil products is ensured;
in an example, the unit external piping may be made of hose or stainless steel tubing;
in the example, for measuring the volume of the refuel, a flow meter 7a is provided at the dispensing unit;
2. an example of aviation kerosene injection is illustrated in fig. 3:
When the oil storage tank 1 needs to be filled, the external ship or equipment is connected through the hose for the pairing interface of the injection and discharge unit, the 'injection' button of the control box 10b of the injection and discharge unit is opened, the remote control valve 2a/2e is opened, aviation kerosene passes through the valve element 5g/2e/4d, passes through the flowmeter 7b, and then is purified through the oil product of the filtering detector 6c and is conveyed to the oil storage tank 1.
In the example, to measure the volume injected, a flow meter 7b is provided at the dispensing unit;
In the example, in order to prevent the reverse flow of aviation kerosene, a stop check valve 4d is provided at the entry and exit;
In the example, in order to prevent the aviation kerosene from flowing back to the oil storage tank when the discharge system is running, a remote control valve 2e is added;
In the example, in order to ensure the quality of the oil, a filtering detector 6c is required to be arranged in the injection and discharge unit;
3. an example of aviation kerosene discharge execution is shown in fig. 4:
When the external ship or equipment needs aviation kerosene, the external ship or equipment is communicated with the matched interface of the injection and discharge unit through a hose, the 'discharge' button of the injection and discharge monocular control box 10b is opened, the remote control valve 2b/2d is opened, the oil pump 3a is started, the aviation kerosene flows through the pump unit from the oil storage tank 1, is discharged from the remote control valve 2d, and is finally conveyed to the external ship or equipment through the flowmeter 7c, the stop check valve 4e and the stop valve 5 g.
In the example, to measure the volume displaced, a flow meter 7c is provided at the dispensing unit;
in the example, to prevent the reverse flow of aviation kerosene and isolate the injection system, a stop check valve 4e is provided at the outlet;
In the example, to ensure the normal operation of the system, the oil pump 3a/3b is used in a standby mode.
The technical schemes described in the embodiments of the present application may be arbitrarily combined without any collision.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A marine aviation kerosene delivery system comprising: the system comprises an aviation kerosene oil storage tank, a pump unit, a distribution unit and an input and output unit;
The aviation kerosene oil storage tank is connected with the pump unit, the distribution unit and the input and output unit through pipelines;
the aviation kerosene oil storage tank, the pump unit, the distribution unit and the input and output unit are integrated with valve pieces and are used for controlling pipeline switches;
when the helicopter of the ship is refueled, the corresponding valve element is started through the distribution unit, the oil pump of the pump unit is started, aviation kerosene of the aviation kerosene oil storage tank passes through the pump unit and the distribution unit, the helicopter is refueled through the oiling gun of the distribution unit, and the input and output unit is in a closed state at the moment.
2. The marine aviation kerosene delivery system of claim 1, wherein the aviation kerosene storage tank, the pump unit, the distribution unit, and the input and output unit are integrated with valve elements, comprising: the aviation kerosene oil storage tank, the pump unit and the distribution unit are respectively provided with a remote control valve and a manual valve at the inlet and outlet positions.
3. The marine aviation kerosene delivery system of claim 2, wherein the aviation kerosene storage tank, the pump unit, the distribution unit, and the input and output unit are integrated with valve elements, comprising: and valves at the outlet positions of the aviation kerosene oil storage tank, the pump unit and the distribution unit are stop check valves.
4. The marine aviation kerosene transportation system of claim 1, wherein the aviation kerosene storage tank and pump unit, the distribution unit and the input and output unit are provided with bleed pipes or bleed plugs and with oil blocking flatirons around the equipment.
5. The marine aviation kerosene transportation system of claim 1, wherein the dispensing unit outlet is equipped with a flow meter for metering the volume of aviation kerosene output.
6. The marine aviation kerosene transportation system according to claim 1, wherein the input and output unit is provided with a filtering detector and sampling ports are provided at the inlet and outlet of the filtering detector.
7. The marine aviation kerosene delivery system of claim 1, wherein a stop check valve is provided at the outlet of the filter detector.
8. The marine aviation kerosene transportation system of claim 1, wherein the inlet and outlet unit inlet and outlet lines are equipped with flow meters for measuring the volume of incoming aviation kerosene.
9. The marine aviation kerosene transportation system according to claim 1, wherein the input and output unit is provided with a stop check valve in the exhaust line.
10. The marine aviation kerosene transportation system of claim 1, wherein the pump unit is provided with a filtering detector and a sampling port at the inlet and outlet of the filtering detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410349407.9A CN118066475A (en) | 2024-03-26 | 2024-03-26 | Ship aviation kerosene conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410349407.9A CN118066475A (en) | 2024-03-26 | 2024-03-26 | Ship aviation kerosene conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118066475A true CN118066475A (en) | 2024-05-24 |
Family
ID=91105672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410349407.9A Pending CN118066475A (en) | 2024-03-26 | 2024-03-26 | Ship aviation kerosene conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118066475A (en) |
-
2024
- 2024-03-26 CN CN202410349407.9A patent/CN118066475A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10926996B2 (en) | Mobile distribution station having adjustable feed network | |
| CN114320686B (en) | Marine methanol fuel supply method | |
| US11377341B2 (en) | Mobile distribution station with additive injector | |
| CN104033142B (en) | A kind of huge discharge Integrated Fracturing high-low pressure manifold apparatus | |
| CN201992346U (en) | Liquefied natural gas injection machine | |
| CA3103240C (en) | System and method for fluid delivery at a temporary site | |
| CN102182916A (en) | Liquefied natural gas filling machine | |
| CN105020577A (en) | LNG unloading method capable of achieving accurate measurement and LNG unloading measurement device | |
| US10954117B2 (en) | Mobile distribution station having pneumatic valves | |
| CN118066475A (en) | Ship aviation kerosene conveying system | |
| CN110030488A (en) | A kind of transfusion system between LNG ship oceangoing ship and LNG tank case (or tank car) | |
| US10384927B2 (en) | Systems and methods for mobile fuel transloading | |
| CN103759136B (en) | Primary and secondary pot type liquid nitrogen combination container | |
| CN215764631U (en) | Oil pipeline system and mobile aviation oil refueling platform thereof | |
| US20200062577A1 (en) | Mobile distribution station having onboard fluid storage tank | |
| CN206419198U (en) | The detection device of fire-fighting equipment | |
| CN211787329U (en) | Structure of 70MPa hydrogenation machine injection and charging system | |
| CN210424472U (en) | Infusion system between LNG ship and LNG tank box (or tank car) | |
| CN102145935B (en) | Methanol adding device used in sewage treatment | |
| CN208061336U (en) | Liquid vending machine pipeline control system | |
| CN217208955U (en) | Fluid assembly | |
| RU217810U1 (en) | Device for dispensing fuel into tanks and transport capacity measures | |
| CN112108464A (en) | Chemical cleaning device and method | |
| CN211979061U (en) | Static testing device for oil product pipe conveying system | |
| JP3548950B2 (en) | Fuel supply system with fuel leak detection function |
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 |