CN105464783B - Treatment method and device for improving efficiency of water cooling circulation system of internal combustion engine - Google Patents

Treatment method and device for improving efficiency of water cooling circulation system of internal combustion engine Download PDF

Info

Publication number
CN105464783B
CN105464783B CN201510611418.0A CN201510611418A CN105464783B CN 105464783 B CN105464783 B CN 105464783B CN 201510611418 A CN201510611418 A CN 201510611418A CN 105464783 B CN105464783 B CN 105464783B
Authority
CN
China
Prior art keywords
engine
water
socket
water cooling
coolant
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
Application number
CN201510611418.0A
Other languages
Chinese (zh)
Other versions
CN105464783A (en
Inventor
林丰丞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN105464783A publication Critical patent/CN105464783A/en
Application granted granted Critical
Publication of CN105464783B publication Critical patent/CN105464783B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00Applications
    • F01P2050/22Motor-cars

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention provides a processing method for improving the efficiency of a water cooling circulation system of an internal combustion engine and a device thereof, wherein the method comprises the steps of a, discharging cooling water of a water cooling circulation water channel and a water tank of an automobile engine; b. pumping out air in the water tank and the engine water cooling circulation water channel to a vacuum state; c. adding non-ethylene glycol additives with anti-freezing, anti-boiling, lubricating, cleaning and rust removing functions into pure water under a vacuum state to obtain high-pressure cooling liquid; and d, starting the engine, maintaining the rotating speed of the engine at a high rotating speed of 4000-6000 RPM for 3-5 minutes, repeating the steps for more than 8 times, 9 times or 10 times, enabling the added cooling liquid to reach a high-temperature evaporation state, watching the cooling liquid by a water filling port of a water tank, and closing the engine when the liquid level of the cooling liquid does not change at the high rotating speed of the engine.

Description

Improve the processing method and its device of internal combustion engine water cooling recirculation system efficiency
Technical field
It is espespecially a kind of the present invention relates to a kind of processing method and its device for improving internal combustion engine water cooling recirculation system efficiency Will in internal combustion engine water cooling recirculation system water channel coolant containing making the obstructed air discharge of water channel, until in any high rotating speed, Its coolant circulated is overflowed all without from tank filler opening, keeps the thorough vacuum mold of coolant noresidue air in water channel Formula, up to the purpose of effective cooling engine temperature, engine is set not shaken up to smooth movements, the overcast, increasing engine combustion that operates voice The internal combustion engine water cooling that air pollution, brake vacuum aided effect promoting and lifting vehicle cool house effect can be greatly reduced in efficiency follows The processing method of loop system efficiency.
Background technology
Press, in four stroke operations of existing I. C. engine water cooling system, after compression oil gas stroke, produced blast power It is hot gas, therefore is cooled by water, is therefore water channel must be provided with whole engine to allow the temperature decrease after blast to water Below boiling point, while the water circulated can continue engine operating temperature being maintained at 98 degree Celsius or so, reach engine power and continue Produce, such mechanical actuation is stable, vehicle energy standard, produces horse-power nominal, torsion, allows travel rate to reach peak power.
When vehicle is that can not arbitrarily turn on coolant tank lid in operation, because containing large quantity of air in coolant Steam ejection is had, causes artificially to scald, and the circulation of engine coolant can also produce different shape, or even cause cylinder or valve to damage Wound, and normal kinetic output can not be produced, Given this phenomenon, the i.e. cooling effect of expression water circulation must have the flaw in work Or referred to as blind spot.
Now learnt by actual discussion experiment, Automobile Design water cooling system has thermostat, water pump, the main of water tank and matched somebody with somebody Outside part, furthermore it is the boiling point with antifreezing fluid for water tank come auxiliary water, suppresses that parts burn into is anti-oxidant gets rusty or freeze ice in winter water The smooth water cooling system of protection.
The water cooling system of comprehensive above-listed all explanation internal combustion engine, water tank spill and leakage, water pipe head can be produced after long-term use of Locate dilatancy, or water temperature raises during load excessive, or even the deformation of cylinder, porthole is influenceed, cause engine damage, can not be extensive It is multiple to run well, therefore any vehicle never can be indiscreet and negligent to water cooling system design.
Water is used to filling water cooling system from auto manufacturing in addition, nothing more than water of the ginseng with anti-icing fluid, naturally big Injected under air pressure, have no and inserted under any vacuum pressed, cause the thin narrow channel in engine can not sufficiently pour into coolant, when After engine running, caused heat can make the water in these water channels become steam to cool down, and its interface is unable to reach actual drop Temperature scale is accurate, therefore its power effect can also be lost, be reduced, and even the metal material in all working face produces different heat The coefficient of expansion, cause to cause irregular phenomenon and damage mechanical material part etc. on the kinetic energy of output.
The shortcomings that taking a broad view of above-mentioned water cooling system, then it must thoroughly improve this cooling task with operation is more progressed greatly, reach To the better working environment of engine and effect.
The content of the invention
The goal of the invention of the present invention is, thoroughly improves this cooling task with operation is more progressed greatly, it is better to reach engine Good working environment and effect.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of processing method for improving internal combustion engine water cooling recirculation system efficiency, it is characterised in that key step includes:
A. first the cooling water of car engine water cooling cyclic water channel and water tank is discharged;
B. the air in water tank and engine water cooling cyclic water channel is drawn to vacuum state;
C. under vacuum state in a manner of high pressure in pure water add non-ethylene glycol have it is freeze proof, it is anti-boiling, lubrication, cleaning and The additive of rust removing function and obtain coolant, and the coolant is added to water tank;And
D. start the engine, and repeat to make engine speed maintain high rotating speed in multiple times, continue 3-5 minutes every time, make addition Coolant reach a high temperature evaporating state, have no production when watching its interior cooling-liquid level by tank filler opening under the high rotating speed of engine During raw height fluctuations, now represent that the air residued in coolant evaporates totally, you can close engine.
The processing method for improving internal combustion engine water cooling recirculation system efficiency, maintains engine speed described in step d In high-revolving revolution value between 4000~6000RPM.
The processing method for improving internal combustion engine water cooling recirculation system efficiency, maintains engine speed described in step d It it is 8 times, 9 times or more than 10 times in high-revolving number of repetition.
The processing method for improving internal combustion engine water cooling recirculation system efficiency, if used car then must be first with cleaning agent warm Circulation removes rust deposite, then bleed off in all water channels after cleaning in advance to being cleaned in water tank and engine water cooling cyclic water channel Sewage, then carry out described a, b, c and Step d.
To achieve the above object, the technical solution adopted by the present invention also includes:
A kind of device for improving internal combustion engine water cooling recirculation system efficiency, it includes:One vacuum extractor, high pressure cooling Liquid filling device and a connecting pipe for being connected vacuum extractor, high-pressure coolant filling device with tank filler opening, the company Jointed tubular workpieces include first socket being socketed with water tank and the respectively company with vacuum extractor and high-pressure coolant filling device The second socket and the 3rd socket of socket are taken over, a switch valve is equipped with the second socket and the 3rd socket, when First set interface after discharge, is socketed on tank filler opening by the water of engine water cooling cyclic water channel and water tank totally, then will be taken out true Empty device and high-pressure coolant filling device is connected to the second socket and the 3rd socket of connecting pipe, first during operation Switch valve on 3rd socket is closed, vacuum extractor is opened and is vacuumized by its vavuum pump, when water tank and engine water During cooling circulating water Dao Neida vacuum states, then the switch valve closed on the second socket, and open opening on the 3rd socket Valve is closed, and starts high-pressure coolant filling device, coolant is filled into water tank and the circulation of engine water cooling in a manner of high pressure Until full of untill in water channel.
It is described improve internal combustion engine water cooling recirculation system efficiency device, the high-pressure coolant filling device, including one plus The high pressure liquid storage container of coolant is stored in pressure motor and a confession, will be stored by compression motor in the cooling in high pressure liquid storage container Liquid is filled into a manner of high pressure in water tank and engine water cooling cyclic water channel.
The device for improving internal combustion engine water cooling recirculation system efficiency, at the second socket and the 3rd socket Switch valve is the switch valve automatically controlled with circuit.
By foregoing method and apparatus, and then make the coolant in engine water cooling cyclic water channel in noresidue air Under, make engine operate caused by heat energy all distributed by coolant, and can be maintained by the slow-speed of revolution to high rotating speed Celsius Stable circulation cooling between 92 degree~99 degree, up to the purpose of effective cooling engine temperature, such engine operates at any rotating speed, Vehicle will not produce any seismism, and engine operating voice is overcast and engine is toward lower section sounding, engine pull of vacuum faster and It is suitable, suction puddled with oil gas it is more well-balanced, engine when accelerating available more high-quality efficiency of combustion air pollution effect can be greatly reduced, Will not easy carbon distribution.
Time advantage of the present invention more helps brake vacuum aided effect promoting primarily with respect to gasoline engine, allow brake away from From shortening, increase traffic safety, another cooling effects equalizer, the cold-room power of vehicle cold gas system will be made more preferably, use is cold During gas, engine power consume reduces, and can help to reduce oil consumption, save vehicle maintenance cost, more meet economic benefits.
Brief description of the drawings
Fig. 1 is the embodiment three-dimensional exploded view that the present invention sets a connecting pipe in tank filler opening group.
Fig. 2 is the present invention in the implementation for connecting a vacuum extractor and high-pressure coolant filling device in connecting pipe respectively Example stereogram.
Fig. 3 is embodiment schematic diagram when present invention closing wherein switch valve progress another side vacuumizes.
Fig. 4 is the embodiment schematic diagram when present invention closes another switch valve progress high-pressure coolant filling.
Fig. 5 is the block flow diagram of the present invention.
Description of reference numerals:1- water tanks;11- filler;2- engines;3- connecting pipes;The sockets of 31- first;32- second Socket;321st, 331- switch valves;The sockets of 33- the 3rd;4- vacuum extractors;41- vavuum pumps;42nd, 53- connecting tubes;5- is high Press coolant filling device;51- high pressure liquid storage containers;511- coolants;52- compression motors.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of relevant raising internal combustion engine water cooling recirculation system of the present invention The processing method and its device of efficiency, its key step include a. first by the cold of the water cooling cyclic water channel of car engine 2 and water tank 1 But water is discharged;B. the air in water tank 1 and the water cooling cyclic water channel of engine 2 is drawn to vacuum state;C. under vacuum state with High pressure mode adds having the additive of freeze proof, anti-boiling, lubrication, cleaning and rust removing function and obtaining for non-ethylene glycol in pure water Coolant 511, and the coolant 511 is added to water tank 1;And d. starts the engine 2, and make the rotating speed of engine 2 maintain 4000~ High rotating speed between 6000RPM continues 3-5 minutes, and repeatedly to 8 times, 9 times or more than 10 times, makes the coolant 511 of addition Up to high temperature evaporation state, when watching its interior liquid level of coolant 511 by water tank 1 or deputy tank filler 11 under 2 high rotating speed of engine When having no generation height fluctuations, now represent that the air residued in coolant 511 evaporates totally, you can close engine 2, by foregoing method, and then the coolant 511 in the water cooling cyclic water channel of engine 2 is made engine 2 under noresidue air Heat energy caused by operating all distributes by coolant 511, and it is Celsius engine 2 is maintained by the slow-speed of revolution to high rotating speed Stable circulation cooling between 92 degree~99 degree, allow engine 2 to play good dynamics output, separately then made using the higher rotation speed of engine 2 Coolant 511, which produces, accelerates circulation and the condition of high temperature, makes to be transformed into steaming containing all air for making water channel obstructed in coolant 511 Gas is discharged, and is overflowed until in any high rotating speed, its coolant 511 circulated all without from the filler 11 of water tank 1, is kept engine 2 The thorough vacuum mode of the noresidue air of coolant 511 in water cooling cyclic water channel, up to the purpose of effective temperature of cooling engine 2, Such engine 2 operates at any rotating speed, and vehicle will not produce seismism, and engine 2 operates the overcast and past lower section sounding of voice, drawn Hold up that 2 pulls of vacuum are faster and suitable, make the air of suction and oil gas is puddled more well-balanced, more high-quality burning is can obtain when engine 2 accelerates Air pollution effect can be greatly reduced in efficiency, will not easy carbon distribution, more help brake particularly with gasoline engine 2 under such a situation Vacuum aided effect promoting, allow brake Distance Shortened, increase traffic safety, another cooling effects equalizer, in vehicle cold air system More preferably, its cold air compressibility is not easy to damage the cold-room power of system, and during using cold air, the consume of the power of engine 2 reduces, and can help Oil consumption is reduced, more meets economic benefits.
Because auto manufacturing has no the rational disposal of any reinforcement to water cooling, also know from experience without any project planner The important change of water cooling, in fact this processing operation can allow engine 2 to have better power output, each several part when long-term use of Part the phenomenon without bad carbon distribution, can more be saved vehicle rehabilitation cost by shockproof influence.
If used car then must first with cleaning agent with thermal cycle to being cleaned in water tank 1 and the water cooling cyclic water channel of engine 2, will become rusty It is dirty to remove in advance, then the sewage after being cleaned in all water channels is bled off, then carry out the steps such as a, b, c and d of the inventive method.
Foregoing method of the invention is completed with component after such as, and those components include:One vacuum extractor 4, one is high Coolant filling device 5 and one is pressed by vacuum extractor 4, high-pressure coolant filling device 5 and water tank 1 or deputy tank filler 11 The connecting pipe 3 of connection, the connecting pipe 3 include first socket 31 being socketed with water tank 1 or deputy tank and respectively with taking out The second socket 32 and the 3rd socket 33 of the connecting tube 42,53 of vacuum plant 4 and high-pressure coolant filling device 5 socket, A switch valve 321,331 is equipped with the second socket 32 and the 3rd socket 33, when the water cooling cyclic water channel of engine 2 and water Case 1 or the water of deputy tank are discharged totally after, first set interface set 31 is socketed on water tank 1 or deputy tank filler 11, then will take out Vacuum plant 4 and high-pressure coolant filling device 5 are connected to the second socket 32 and the 3rd socket of connecting pipe 3 33, first the switch valve 331 on the 3rd socket 33 is closed during operation, open vacuum extractor 4 and taken out by its vavuum pump 41 Vacuum, when reaching vacuum state in water tank 1 or deputy tank and the water cooling cyclic water channel of engine 2, then close on the second socket 32 Switch valve 321, and open the switch valve 331 on the 3rd socket 33, and start high-pressure coolant filling device 5, by adding Pressure motor 52 by the coolant 511 being stored in high pressure liquid storage container 51 be filled into a manner of high pressure water tank 1 or deputy tank and Until full of untill in the water cooling cyclic water channel of engine 2, and remove the program that abovementioned steps d. is carried out after connecting pipe 3.
In summary, the effective cooling engine temperature of present invention tool offer, which makes engine operate at any rotating speed vehicle, to produce Seismism, engine pull of vacuum are faster and suitable, make the air of suction and oil gas puddle it is more well-balanced, when engine accelerates it is available more High-quality efficiency of combustion can be greatly reduced air pollution effect, make brake vacuum aided effect promoting increase traffic safety and make vehicle The cold-room power of cold gas system is more preferably and other effects.

Claims (7)

1. a kind of processing method for improving internal combustion engine water cooling recirculation system efficiency, it is characterised in that key step includes:
A. first the cooling water of car engine water cooling cyclic water channel and water tank is discharged;
B. the air in water tank and engine water cooling cyclic water channel is drawn to vacuum state;
C. under vacuum state in a manner of high pressure in pure water add non-ethylene glycol have it is freeze proof, it is anti-boiling, lubrication, cleaning and derusting The additive of function, coolant is obtained, and the coolant is added to water tank;And
D. start the engine, and repeat to make engine speed maintain high rotating speed in multiple times, continue 3-5 minutes every time, make the cold of addition But liquid reaches a high temperature evaporating state, high when watching its interior cooling-liquid level by tank filler opening under the high rotating speed of engine and having no generation During low fluctuations, now represent that the air residued in coolant evaporates totally, you can close engine.
2. the processing method of internal combustion engine water cooling recirculation system efficiency is improved as claimed in claim 1, it is characterised in that step d Described in engine speed is maintained high-revolving revolution value between 4000~6000RPM.
3. the processing method of internal combustion engine water cooling recirculation system efficiency is improved as claimed in claim 1, it is characterised in that step d Described in engine speed is maintained high-revolving number of repetition as 8 times, 9 times or more than 10 times.
4. the processing method of internal combustion engine water cooling recirculation system efficiency is improved as claimed in claim 1, it is characterised in that if old Che Zexu first with cleaning agent with thermal cycle to being cleaned in water tank and engine water cooling cyclic water channel, rust deposite is removed in advance, then puts Fall the sewage after being cleaned in all water channels, then carry out described a, b, c and Step d.
A kind of 5. device for improving internal combustion engine water cooling recirculation system efficiency, it is characterised in that including:One vacuum extractor, one High-pressure coolant filling device and a connecting tube for being connected vacuum extractor, high-pressure coolant filling device with tank filler opening Part, the connecting pipe include the first socket of one and water tank socket and filled respectively with vacuum extractor and high-pressure coolant filling The second socket and the 3rd socket for the connecting tube socket put, a switch is equipped with the second socket and the 3rd socket Valve, after the water of engine water cooling cyclic water channel and water tank is discharged totally, first set interface is socketed on tank filler opening, then will Vacuum extractor and high-pressure coolant filling device are connected to the second socket and the 3rd socket of connecting pipe, operation When first by the 3rd socket switch valve close, open vacuum extractor vacuumized by its vavuum pump, when water tank and draw Switch valve when reach vacuum state in water cooling cyclic water channel, then closed on the second socket is held up, and on the 3rd socket of unlatching Switch valve, and start high-pressure coolant filling device, coolant be filled into water tank and engine water cooling in a manner of high pressure Until full of untill in cyclic water channel.
6. the device of internal combustion engine water cooling recirculation system efficiency is improved as claimed in claim 5, it is characterised in that the high pressure cools down Liquid filling device, an including compression motor and one is for storing the high pressure liquid storage container of coolant, by compression motor will store in Coolant in high pressure liquid storage container is filled into a manner of high pressure in water tank and engine water cooling cyclic water channel.
7. the device of internal combustion engine water cooling recirculation system efficiency is improved as claimed in claim 5, it is characterised in that located at second set Switch valve at interface and the 3rd socket is the switch valve automatically controlled with circuit.
CN201510611418.0A 2014-09-25 2015-09-23 Treatment method and device for improving efficiency of water cooling circulation system of internal combustion engine Active CN105464783B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW103133129 2014-09-25
TW103133129A TW201612408A (en) 2014-09-25 2014-09-25 Processing method and device for increasing efficiency of water cooling circulation system of internal combustion engine

Publications (2)

Publication Number Publication Date
CN105464783A CN105464783A (en) 2016-04-06
CN105464783B true CN105464783B (en) 2018-01-30

Family

ID=55602878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510611418.0A Active CN105464783B (en) 2014-09-25 2015-09-23 Treatment method and device for improving efficiency of water cooling circulation system of internal combustion engine

Country Status (2)

Country Link
CN (1) CN105464783B (en)
TW (1) TW201612408A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252938A (en) * 2018-10-25 2019-01-22 广州文冲船厂有限责任公司 A kind of fresh water cooled medicine system
US11702181B2 (en) * 2020-12-23 2023-07-18 Survival Systems International, Inc. In-davit run kits and methods for lifeboats

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0153721B1 (en) * 1996-06-29 1998-11-16 양재신 A engine cooling system of an automobile
DE10138083A1 (en) * 2001-08-03 2003-02-27 Mtu Friedrichshafen Gmbh Cooling water circulation system for an internal combustion engine
DE202013104808U1 (en) * 2013-10-16 2013-11-08 Ford Global Technologies, Llc Evaporation intercooler
CN203594500U (en) * 2013-12-09 2014-05-14 上海极能客车动力系统有限公司 Device for filling high-level cistern of coach cooling system with cooling liquid on low level
CN203835651U (en) * 2014-05-15 2014-09-17 上海瑞营机械制造有限公司 Diesel water pump unit

Also Published As

Publication number Publication date
TW201612408A (en) 2016-04-01
CN105464783A (en) 2016-04-06

Similar Documents

Publication Publication Date Title
CN107202675B (en) Anti-icing method for cooler of continuous transonic wind tunnel liquid-spraying nitrogen cooling system
CN105464783B (en) Treatment method and device for improving efficiency of water cooling circulation system of internal combustion engine
CN103510926B (en) The exploitation method of a kind of seabed combustible ice and system
CN102410054A (en) Engine exhaust gas waste heat recovery and control system and method based on organic rankine cycle
CN103277072A (en) Method and system for exploiting seabed natural gas hydrate
CN104389648B (en) A kind of double-source dynamic system and controlling method thereof
CN103867894A (en) Method and device for generating power and capturing CO2 through cold energy of liquefied natural gas
CN103334729A (en) Exploitation method and system of seabed methane hydrate
US20190010834A1 (en) Process and system for extracting useful work or electricity from thermal sources
CN201307814Y (en) Motor bearing washing device
CN103480599B (en) A kind of method of Low-temperature cleaning turbine blade and device thereof
CN201916040U (en) Expansion tank used for heavy-duty truck
CN203981003U (en) The Air-Cooling Island rinse-system of Direct Air-cooled Unit
DE102011084352B4 (en) Method and control unit for operating a line circuit for using waste heat from an internal combustion engine
CN201991599U (en) Main power generating set cooling system for crane ship
CN102797507A (en) Closed-type liquid-gas conversion engine with internal circulation
CN202266346U (en) Engine exhaust afterheat recycling control system based on organic rankine cycle
CN202052514U (en) Temperature adjusting device for liquid preparation tank
CN103707738A (en) Method and device for recovering LNG cold energy for automobile air conditioner system
CN110473701B (en) Method for quickly discharging and injecting oil during replacement of pipeline accessories of oil-immersed transformer
CN207701325U (en) A kind of cooling system of air compressor
CN205977508U (en) Inside anti -icing fluid system of recycling of diesel generating set
CN204094122U (en) A kind of heavy cool equipment for the cooling of skill casting foundry goods
CN101863111A (en) Oil type die heater
TWM530347U (en) Device for enhancing water cooling circulation system efficiency of internal combustion engine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant