CN106089533A - A kind of fuel gas injection valve cleans and gas leakage detection equipment and detection method - Google Patents
A kind of fuel gas injection valve cleans and gas leakage detection equipment and detection method Download PDFInfo
- Publication number
- CN106089533A CN106089533A CN201610670014.3A CN201610670014A CN106089533A CN 106089533 A CN106089533 A CN 106089533A CN 201610670014 A CN201610670014 A CN 201610670014A CN 106089533 A CN106089533 A CN 106089533A
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- Prior art keywords
- injection valve
- valve
- gas
- selector valve
- fuel gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/006—Measuring or detecting fuel leakage of fuel injection apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/007—Cleaning
- F02M65/008—Cleaning of injectors only
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of fuel gas injection valve to clean and gas leakage detection equipment and detection method, including Working gantry, injection valve group is installed on described Working gantry, described injection valve group includes the injection valve of some parallel connections, the entrance of described injection valve group connects entrance pipe, inlet mode selector valve is installed on described entrance pipe, described inlet mode selector valve connects leak hunting source of the gas and cleaning equipment, the nozzle of each described injection valve connects an export model selector valve, and described export model selector valve connects internal hemorrhage due to trauma finder and cleaning fluid recovery；Valve group fixing device is installed on described Working gantry；Present configuration is the compactest, it is possible to the routine cleaning completing fuel gas injection valve is surveyed with inside and outside missing inspection, in order to carries out injection valve maintenance, extends the service life of injection valve.
Description
Technical field
The present invention relates to natural gas engine technical field, particularly relate to a kind of injection valve being carried out and setting of leaking hunting
Standby and based on this equipment detection method.
Background technology
In natural gas engine field, injection valve receives ECU signal, according to instruction injection combustion gas.Injection valve is according to starting
The difference of machine discharge capacity, the quantity of nozzle is the most different (8,10,12 nozzles).Impurity present in combustion gas, on the one hand
The blocking of injection valve nozzle can be caused, cause injection valve flow inadequate；On the other hand the abrasion of meeting accelerating jet O-ring seal, makes
Leak outside in one-tenth, ultimately result in electromotor enriching or add lean burn.Impurity in combustion gas is inevitable, and it is fixed that this is accomplished by us
The maintenance that is carried out injection valve of phase is surveyed with inside and outside missing inspection, extends the service life of injection valve, and exploitation fuel gas injection valve cleans
With being highly desirable to that inside and outside missing inspection measurement equipment becomes.
Summary of the invention
A technical problem to be solved by this invention be to provide a kind of rational in infrastructure, cleaning performance good and leaks hunting accurately
Fuel gas injection valve cleans and gas leakage detection equipment.
For solving above-mentioned technical problem, the technical scheme is that a kind of fuel gas injection valve cleans and set with gas leakage detection
Standby, including Working gantry, described Working gantry is provided with injection valve group, described injection valve group includes the injection of some parallel connections
Valve, the entrance of described injection valve group connects entrance pipe, and described entrance pipe is provided with inlet mode selector valve, described in enter
Mouth die formula selector valve connects leak hunting source of the gas and cleaning equipment, and the nozzle of each described injection valve connects an export model choosing
Selecting valve, described export model selector valve connects internal hemorrhage due to trauma finder and cleaning fluid recovery；
Valve group fixing device is installed on described Working gantry.
As the preferred technical scheme of one, described valve group fixing device includes solid with vertical direction the most in the horizontal direction
The horizontal air cylinder of fixed described injection valve group and vertical cylinder, described horizontal air cylinder is connected by air inlet pipeline with described vertical cylinder
Having work source of the gas, described air inlet pipeline connects has disappointing port, described disappointing port to be provided with compression relief cock.
It is provided with Pressure gauge as on the preferred technical scheme of one, described horizontal air cylinder and described vertical cylinder.
As the preferred technical scheme of one, described in the source of the gas that leaks hunting include air compressor, described air compressor connects
Having gas cylinder, described gas cylinder is provided with manostat, the outlet side of described gas cylinder is by pipeline with described inlet mode selector valve even
Connect.
As the preferred technical scheme of one, described cleaning equipment includes the washing bucket being loaded with cleanout fluid, described cleaning
Being provided with cleaning liquid pump in Tong, described cleanout fluid delivery side of pump end is connected with described inlet mode selector valve by pipeline.
As the preferred technical scheme of one, described internal hemorrhage due to trauma finder includes and described injection valve internal hemorrhage due to trauma one to one
Observing cup, the nozzle of described injection valve is connected by described export model selector valve outtake tube, oneself of described outtake tube
Stretched into described internal hemorrhage due to trauma by end to observe in cup；On described outtake tube, stop valve is installed.
As the preferred technical scheme of one, each described outtake tube is provided with a flow meter.
As the preferred technical scheme of one, described cleaning fluid recovery includes being connected with described export model selector valve
Adaptor, described adaptor is provided with transfers import one to one with described export model selector valve, sets in described adaptor
Have described switching inlet communication to transition passage together, described adaptor is provided with turning of connecting with described transition passage
Exit, the switching exit of described adaptor is provided with liquid back pipe, and described liquid back pipe connects cleaner, described cleaner with
Described cleaning equipment connects.
Owing to have employed technique scheme, a kind of fuel gas injection valve cleans and gas leakage detection equipment, including Working gantry,
Being provided with injection valve group on described Working gantry, described injection valve group includes the injection valve of some parallel connections, described injection valve group
Entrance connects entrance pipe, and described entrance pipe is provided with inlet mode selector valve, and described inlet mode selector valve connects
Leak hunting source of the gas and cleaning equipment, and the nozzle of each described injection valve connects an export model selector valve, described outlet mold
Formula selector valve connects internal hemorrhage due to trauma finder and cleaning fluid recovery；Valve group fixing device is installed on described Working gantry；
Present configuration is the compactest, it is possible to the routine cleaning completing fuel gas injection valve is surveyed with inside and outside missing inspection, in order to carry out injection valve dimension
Repair, extend the service life of injection valve.
A technical problem to be solved by this invention is to provide a kind of cleaning based on fuel gas injection valve and sets with gas leakage detection
Standby detection method.
For solving above-mentioned technical problem, the technical scheme is that a kind of fuel gas injection valve cleans and gas leakage detection side
Method, comprises the steps:
Step one, is installed to injection valve group on Working gantry, utilizes valve group fixing device described injection valve group to be fixed；
Step 2, is connected injection valve with entrance pipe and export model selector valve and puts in place；
Step 3, inlet mode selector valve and export model selector valve select cleaning model, open cleaning equipment, cleanout fluid
Enter in injection valve through entrance pipe and inlet mode selector valve, after injection valve, enter cleaning fluid recovery, complete
Become cleaning, close cleaning equipment；
Step 4, inlet mode selector valve and export model selector valve select to leak hunting pattern, open the source of the gas that leaks hunting, close spray
Penetrate valve, observe the whether bubbling of internal hemorrhage due to trauma finder, if bubbling, then corresponding injection valve internal hemorrhage due to trauma is described；
Step 5, opens injection valve, closes internal hemorrhage due to trauma finder, is coated with in the junction of injection valve housing with injection valve nozzle
Smear expanding foam solution, see whether to leak outside；
Step 6, leaks hunting complete, closes the source of the gas that leaks hunting, and takes off the injection valve group through test.
Said method cleans based on fuel gas injection valve and realizes with gas leakage detection equipment, it is possible to complete the regular of fuel gas injection valve
Clean and survey with inside and outside missing inspection, in order to carry out injection valve maintenance, extend the service life of injection valve.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention；
In figure: 1-Working gantry；2-injection valve；21-entrance pipe；22-inlet mode selector valve；23-export model is selected
Select valve；31-air compressor；32-gas cylinder；41-washing bucket；42-cleans liquid pump；51-internal hemorrhage due to trauma observes cup；52-outtake tube；
53-flow meter；61-adaptor；62-liquid back pipe；63-cleaner；71-horizontal air cylinder；The vertical cylinder of 72-；73-Pressure gauge；74-
Air inlet pipeline；75-compression relief cock.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art will be consequently realised that,
In the case of without departing from the spirit and scope of the present invention, by various different modes, described embodiment can be repaiied
Just.Therefore, accompanying drawing and description are inherently the most illustrative rather than are used for limiting scope of the claims.
As it is shown in figure 1, a kind of fuel gas injection valve cleans and gas leakage detection equipment, including Working gantry 1, described Working gantry
Being provided with injection valve 2 groups on 1, described injection valve 2 groups includes the injection valve 2 of some parallel connections, and the entrance of described injection valve 2 groups connects
Having entrance pipe 21, described entrance pipe 21 is provided with inlet mode selector valve 22, inlet mode selector valve 22 is three to open up
Closing, three-way cock is designed with cleaning gear, leak hunting gear and neutral third gear, cleans gear cleanout fluid and flows into injection valve 2, and leak hunting shelves
Position source of the gas flows into injection valve 2；
Described inlet mode selector valve 22 connects and leaks hunting source of the gas and cleaning equipment, described in the source of the gas that leaks hunting include that air compresses
Machine 31, described air compressor 31 connects gas cylinder 32, and described gas cylinder 32 is provided with manostat, the outlet side of described gas cylinder 32
It is connected with described inlet mode selector valve 22 by pipeline；Described cleaning equipment includes the washing bucket 41 being loaded with cleanout fluid, institute
Being provided with cleaning liquid pump 42 in stating washing bucket 41, the port of export of described cleaning liquid pump 42 is selected with described inlet mode by pipeline
Valve 22 connects；
The nozzle of each described injection valve 2 connects an export model selector valve 23, described export model selector valve 23
For three-way cock, described export model selector valve 23 connects internal hemorrhage due to trauma finder and cleaning fluid recovery, and described internal hemorrhage due to trauma is seen
Examining device to include observing cup 51 with described injection valve 2 internal hemorrhage due to trauma one to one, the nozzle of described injection valve 2 passes through described outlet mold
Formula selector valve 23 connect have outtake tube 52, each described outtake tube 52 is provided with a flow meter 53, described in go out conductance
The free end of pipe 52 stretches into described internal hemorrhage due to trauma and observes in cup 51；On described outtake tube 52, stop valve (not shown) is installed；
Described cleaning fluid recovery includes the adaptor 61 being connected with described export model selector valve 23, described adaptor 61 be provided with
Described export model selector valve 23 is transferred import one to one, is provided with and is arrived by described switching inlet communication in described adaptor 61
Transition passage together, described adaptor 61 is provided with the switching outlet connected with described transition passage, described adaptor 61
Switching exit liquid back pipe 62 is installed, described liquid back pipe 62 connects cleaner 63, described cleaner 63 and described cleaning
Equipment connects, and described cleaner 63 uses transparent shell, it is simple to observing dirt, the bottom design of cleaner 63 has sewage draining exit, real
Existing dirt eliminating function.Described injection valve 2 adaptor 61 is custom-designed frock, and each nozzle has the loop of oneself correspondence, returns
Road is divided into two and is controlled by three-way cock that (three-way cock is divided into third gear, respectively ventilation source shelves, cleanout fluid shelves and sky
Shelves), a switching outlet flowing to injection valve 2 adaptor 61, one flows into internal hemorrhage due to trauma by flow meter 53 and observes in cup 51, neutral gear
Being easy to monitoring when leaking outside, pressurize uses.
Being provided with valve group fixing device on described Working gantry 1, described valve group fixing device includes the most in the horizontal direction
With horizontal air cylinder 71 and the vertical cylinder 72 that vertical direction fixes described injection valve 2 groups, described horizontal air cylinder 71 and described vertically
Being provided with Pressure gauge 73 on cylinder 72, described horizontal air cylinder 71 and described vertical cylinder 72 are connected by air inlet pipeline 74 work
Making source of the gas, the source of the gas that leaks hunting also serves as described work source of the gas, and described air inlet pipeline 74 connects disappointing port, described disappointing port
Compression relief cock 75 is installed, plays pressure release cylinder return effect.
The level connection joint passage connected with entrance pipe 21, entrance pipe it is provided with on the cylinder wall of described horizontal air cylinder 71
21 are connected with injection valve 2 by the level connection joint passage on horizontal air cylinder 71；It is provided with on the cylinder wall of described vertical cylinder 72
The vertical interface channel connected with liquid back pipe 62, the switching outlet of adaptor 61 is by vertical interface channel with liquid back pipe 62 even
Connect.
Described injection valve 2 nozzle is each connected with electrical appliance kit, and electrical appliance kit uses 24V electrical appliance kit, and has correspondence
Switch, described electrical appliance kit is connected with power supply.Described power supply is clear by fill inside soda liquor container on wire and Working gantry 1
Lotion pumps 42 is connected.Specifically, described 24V electrical appliance kit gives injection valve 2 by wire and powers, and described electrical appliance kit is provided with spray
The socket that mouth power line is corresponding, on electrical appliance kit, socket is provided with the switch of correspondence.
This test equipment operation principle: during use, is first placed into injection valve 2 groups on Working gantry 1, installs switching
61, and connect nozzle circuit, open gas source switch, horizontal air cylinder 71 is started working with vertical cylinder 72, clamps injection valve
2；By three-way cock, selecting cleaning model, open the circuit of each corresponding nozzle on electrical equipment box, liquid pump 42 electricity is cleaned in connection
Road, cleanout fluid, through three-way cock, horizontal air cylinder 71, injection valve 2 nozzle, vertical cylinder 72, cleaner 63, is back to cleanout fluid
In container, last for several minutes completes cleaning action.Drop nozzle circuit and cleaning circuit, three-way cock selects to leak hunting pattern, gas
Source arrives nozzle, observes in the liquid container that leaks hunting that nozzle is corresponding whether have bubbling phenomenon, if having, then and corresponding nozzle internal hemorrhage due to trauma.Beat
Open nozzle switch, close the stop valve on each nozzle outtake tube 52, smear in the junction of nozzle Yu injection valve 2 housing and send out
Infusion, can see whether that existence leaks outside phenomenon.
A kind of fuel gas injection valve cleans and leak detection method, comprises the steps:
Step one, is installed to injection valve 2 groups on Working gantry 1, utilizes valve group fixing device that described injection valve 2 groups is solid
Fixed；
Step 2, is connected injection valve 2 with entrance pipe 21 and export model selector valve 23 and puts in place；
Step 3, inlet mode selector valve 22 and export model selector valve 23 select cleaning model, open cleaning equipment, clearly
Washing liquid enters in injection valve 2 through entrance pipe 21 and inlet mode selector valve 22, enters cleanout fluid and return after injection valve 2
Receiving apparatus, completes cleaning, closes cleaning equipment；
Specifically, inlet mode selector valve 22 selects to clean gear, and export model selector valve 23 selects cleanout fluid circulation shape
State, opens cleaning pumping source switch, makes cleaning liquid pump 42 pump cleanout fluid and flow through water after inlet mode selector valve 22 successively
Flow back in cleaning equipment after flat cylinder 71, each nozzle of injection valve 2, export model selector valve 23, vertical cylinder 72, cleaner 63；
After continuing 2～3 minutes, close cleaning equipment power supply, terminate cleaning liquid pump 42 and pump cleanout fluid, close electrical appliance kit top nozzle corresponding
Whole switches, close export model selector valve 23, complete cleaning task；
Step 4, inlet mode selector valve 22 and export model selector valve 23 select to leak hunting pattern, open the source of the gas that leaks hunting, close
Close injection valve 2, observe the whether bubbling of internal hemorrhage due to trauma finder, if bubbling, then corresponding injection valve 2 internal hemorrhage due to trauma is described；
Specifically, inlet mode selector valve 22 selects to leak hunting pattern, and compressed air can be entered through inlet mode selector valve 22
Enter horizontal air cylinder 71, enter injection valve 2 nozzle, and if internal hemorrhage due to trauma; could flow meter 53 on nozzle outtake tube 52, be flowed into
Internal hemorrhage due to trauma is observed in cup 511～12, if occurring, bubbling phenomenon and flow meter 53 have reading, internal hemorrhage due to trauma；
Step 5, opens injection valve 2, closes internal hemorrhage due to trauma finder, in the connection of injection valve 2 housing Yu injection valve 2 nozzle
Expanding foam solution is smeared at place, sees whether to leak outside；
Specifically, open whole switches that electrical appliance kit top nozzle is corresponding, make insertion internal hemorrhage due to trauma observe on cup 51 outtake tube 52
Stop valve is in neutral, and gas is in packing state inside injection valve 2, smears in the junction of nozzle with injection valve 2 housing
Expanding foam solution, it can be determined that whether nozzle leaks outside；
Step 6, leaks hunting complete, closes the source of the gas that leaks hunting, and takes off the injection valve 2 groups through test.
Pressure gauge 73 tries aid as inside and outside test leakage, when inlet mode selector valve 22 is in neutral, in injection valve 2
Portion's gas confinement, if Pressure gauge 73 reading declines substantially, then explanation injection valve 2 leaks gas；
After over cleaning is tried with inside and outside test leakage, connect nozzle switch, by observing the reading of flow meter 53, it can be determined that spray
Penetrate whether valve 2 nozzle exists the inadequate phenomenon of opening travel or catching phenomenon.
Clean after having surveyed with inside and outside missing inspection, close air compressor 31, close swap switch, open compression relief cock 75, unload
Injection valve 2 through over cleaning with inside and outside test leakage examination；The adaptor 61 that injection valve 2 of dismantling is tested, reduces original guide rail of giving vent to anger,
Complete injection valve 2 test job.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (9)
1. fuel gas injection valve cleans and a gas leakage detection equipment, is characterised by: include Working gantry, described Working gantry is pacified
Equipped with injection valve group, described injection valve group includes the injection valve of some parallel connections, and the entrance of described injection valve group connects inlet tube
Road, described entrance pipe is provided with inlet mode selector valve, and described inlet mode selector valve connects leak hunting source of the gas and cleaning
Equipment, the nozzle of each described injection valve connects an export model selector valve, in the connection of described export model selector valve has
Leakage finder and cleaning fluid recovery；
Valve group fixing device is installed on described Working gantry.
2. fuel gas injection valve as claimed in claim 1 cleans and gas leakage detection equipment, it is characterised in that: the fixing dress of described valve group
Put the horizontal air cylinder and vertical cylinder including fixing described injection valve group the most in the horizontal direction with vertical direction, described horizontal gas
Cylinder and described vertical cylinder are connected by air inlet pipeline work source of the gas, and described air inlet pipeline connects disappointing port, described
Disappointing port is provided with compression relief cock.
3. fuel gas injection valve as claimed in claim 2 cleans and gas leakage detection equipment, it is characterised in that: described horizontal air cylinder and
It is provided with Pressure gauge on described vertical cylinder.
4. fuel gas injection valve as claimed in claim 1 cleans and gas leakage detection equipment, it is characterised in that leak hunting described in: source of the gas bag
Including air compressor, described air compressor connects gas cylinder, and described gas cylinder is provided with manostat, the outlet side of described gas cylinder
It is connected with described inlet mode selector valve by pipeline.
5. fuel gas injection valve as claimed in claim 1 cleans and gas leakage detection equipment, it is characterised in that: described cleaning equipment bag
Including the washing bucket being loaded with cleanout fluid, be provided with cleaning liquid pump in described washing bucket, described cleanout fluid delivery side of pump end is by pipe
Road is connected with described inlet mode selector valve.
6. fuel gas injection valve as claimed in claim 1 cleans and gas leakage detection equipment, it is characterised in that: described internal hemorrhage due to trauma observes dress
Putting and include observing cup with described injection valve internal hemorrhage due to trauma one to one, the nozzle of described injection valve is by described export model selector valve
Connect and have outtake tube, the free end of described outtake tube to stretch in described internal hemorrhage due to trauma observation cup；It is provided with on described outtake tube
Stop valve.
7. fuel gas injection valve as claimed in claim 6 cleans and gas leakage detection equipment, it is characterised in that: go out conductance described in each
One flow meter is installed on pipe.
8. fuel gas injection valve as claimed in claim 1 cleans and gas leakage detection equipment, it is characterised in that: described cleanout fluid reclaims
Device includes the adaptor being connected with described export model selector valve, and described adaptor is provided with and described export model selector valve one
The switching import of one correspondence, is provided with described switching inlet communication to transition passage together, described switching in described adaptor
Being provided with the switching outlet connected with described transition passage on head, the switching exit of described adaptor is provided with liquid back pipe, institute
Stating liquid back pipe connection has cleaner, described cleaner to be connected with described cleaning equipment.
9. fuel gas injection valve cleans and a leak detection method, is characterised by, comprises the steps:
Step one, is installed to injection valve group on Working gantry, utilizes valve group fixing device described injection valve group to be fixed；
Step 2, is connected injection valve with entrance pipe and export model selector valve and puts in place；
Step 3, inlet mode selector valve and export model selector valve select cleaning model, open cleaning equipment, and cleanout fluid passes through
Entrance pipe and inlet mode selector valve enter in injection valve, enter cleaning fluid recovery after injection valve, complete clear
Wash work, close cleaning equipment；
Step 4, inlet mode selector valve and export model selector valve select to leak hunting pattern, open the source of the gas that leaks hunting, close injection
Valve, observes the whether bubbling of internal hemorrhage due to trauma finder, if bubbling, then corresponding injection valve internal hemorrhage due to trauma is described；
Step 5, opens injection valve, closes internal hemorrhage due to trauma finder, smears in the junction of injection valve housing Yu injection valve nozzle and sends out
Bubble liquid, sees whether to leak outside；
Step 6, leaks hunting complete, closes the source of the gas that leaks hunting, and takes off the injection valve group through test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670014.3A CN106089533B (en) | 2016-08-15 | 2016-08-15 | A kind of cleaning of fuel gas injection valve and gas leakage detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670014.3A CN106089533B (en) | 2016-08-15 | 2016-08-15 | A kind of cleaning of fuel gas injection valve and gas leakage detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089533A true CN106089533A (en) | 2016-11-09 |
| CN106089533B CN106089533B (en) | 2018-08-10 |
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ID=58069209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670014.3A Active CN106089533B (en) | 2016-08-15 | 2016-08-15 | A kind of cleaning of fuel gas injection valve and gas leakage detection device and detection method |
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| Country | Link |
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| CN (1) | CN106089533B (en) |
Cited By (3)
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| WO2019222967A1 (en) * | 2018-05-24 | 2019-11-28 | 北京朝阳高科应用技术研究所有限公司 | Simulation test apparatus for detecting nozzle |
| CN112709655A (en) * | 2021-01-29 | 2021-04-27 | 湖北三宁化工股份有限公司 | Electric control high-pressure common rail system tightness detection device |
| CN114341474A (en) * | 2019-09-06 | 2022-04-12 | Iop海事有限公司 | Method for testing a valve body of an injection valve and method for testing an injection valve |
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| CN114341474A (en) * | 2019-09-06 | 2022-04-12 | Iop海事有限公司 | Method for testing a valve body of an injection valve and method for testing an injection valve |
| CN114341474B (en) * | 2019-09-06 | 2024-03-15 | Iop海事有限公司 | Method for testing a valve body of an injection valve for a combustion engine |
| CN112709655A (en) * | 2021-01-29 | 2021-04-27 | 湖北三宁化工股份有限公司 | Electric control high-pressure common rail system tightness detection device |
| CN112709655B (en) * | 2021-01-29 | 2023-09-22 | 枝江市宁港物流有限公司 | Tightness detection device for electric control high-pressure common rail system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106089533B (en) | 2018-08-10 |
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