CN207583546U - Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection - Google Patents
Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection Download PDFInfo
- Publication number
- CN207583546U CN207583546U CN201721654622.1U CN201721654622U CN207583546U CN 207583546 U CN207583546 U CN 207583546U CN 201721654622 U CN201721654622 U CN 201721654622U CN 207583546 U CN207583546 U CN 207583546U
- Authority
- CN
- China
- Prior art keywords
- voltage stabilizing
- gas rail
- stabilizing cavity
- cavity space
- hole
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
Dual fuel engine the utility model is related to which electric controlled multi-point is supported to spray supplies gas rail,Including inputting gas rail,Export gas rail,Voltage stabilizing cavity space A is provided in the input gas rail,Voltage stabilizing cavity space B is provided in the output gas rail,Input gas rail,Connection voltage stabilizing cavity space A is provided between output gas rail,The injection valve of voltage stabilizing cavity space B,The hickey on connection gasification natural gas air inlet pipe road is provided on the input gas rail,Hickey connection voltage stabilizing cavity space A,The voltage stabilizing cavity space B output terminal connects motor intake manifold,The injection valve setting is at least one,The voltage stabilizing cavity space B setting is at least one,Each voltage stabilizing cavity space B connects voltage stabilizing cavity space A at least through an injection valve,The utility model is simple in structure,Reasonable design,It is easy to use,Stability is high,It can ensure the uniform and stable entrance motor intake manifold of natural gas.
Description
Technical field
The utility model is related to a kind of dual fuel engines that electric controlled multi-point is supported to spray to supply gas rail.
Background technology
Natural gas-the Diesel Dual-Fuel Engine for supporting electric controlled multi-point injection in recent years is always internal combustion engine research field
A research hotspot.Natural gas-Diesel Dual-Fuel Engine is to transform traditional pure diesel engine as double fuel to start
Machine, engine can work under pure bavin oil and gas-two kinds of diesel oil operating mode respectively.Under single fuel work pattern, naturally
Gas jet valve is closed, and natural gas is not entered into cylinder, and cylinder fuel is entirely diesel oil.When double fuel works, natural gas quilt
It sucks or is injected into inlet manifold, after uniformly being mixed with air, into cylinder, and diesel pilot a small amount of in cylinder is certainly
Dynamic igniting, provides incendiary source for natural gas, lights natural gas, natural gas is the main fuel of engine at this time, and diesel oil, which plays, to be drawn
Fire the effect of natural gas.But in specific transformation is realized, how by what the natural gas after gasification was stablized it to be transported to engine
In inlet manifold, this is a problem to be solved.
Invention content
The defects of the purpose of this utility model is for traditional bag cage and deficiency provide a kind of double for natural gas-diesel oil
The dual fuel engine gas supply gas rail of the support electric controlled multi-point injection of engine fuel.
Scheme is used by the utility model solves technical problem, and a kind of double fuel for supporting that electric controlled multi-point is sprayed starts
Machine supplies gas rail, and including input gas rail, output gas rail, voltage stabilizing cavity space A, the output gas are provided in the input gas rail
Voltage stabilizing cavity space B is provided in rail, connection voltage stabilizing cavity space A, voltage stabilizing cavity are provided between input gas rail, output gas rail
The injection valve of space B, described to input the hickey that connection gasification natural gas air inlet pipe road is provided on gas rail, hickey connects
Logical voltage stabilizing cavity space A, the voltage stabilizing cavity space B output terminal connect motor intake manifold, and the injection valve setting is at least
One, the voltage stabilizing cavity space B setting is at least one, each voltage stabilizing cavity space B is connected at least through an injection valve
Voltage stabilizing cavity space A.
Further, voltage stabilizing cavity space A one end closing, the other end open up threaded hole A.
Further, the diameter of the threaded hole A is more than voltage stabilizing cavity space A diameters, and threaded hole A is close through flange face bolt
Envelope.
Further, the voltage stabilizing cavity space B output terminal opens up the threaded hole B of connection motor intake manifold.
Further, the diameter of the threaded hole B is more than voltage stabilizing cavity space B diameter.
Further, the injection valve is universal injection valve.
Further, the input gas rail, be respectively arranged with that the hole A of injection valve, hole B, hole are installed on output gas rail
A, hole B is concentric, hole A, hole B be by interior to the gradual increased stepped hole of overall diameter, hole A, hole B inner end be respectively communicated with pressure stabilizing cavity
Body space A, voltage stabilizing cavity space B, hole A, hole B outer end be provided with sealing chamfering.
Further, the sealing chamfering angle size is 10 ° ~ 30 °.
Further, collar nut, input gas rail, output gas trackside are provided between the input gas rail, output gas rail
Wall is equipped with the connection bolt being spirally connected with collar nut, after connection bolt connect locking with collar nut, input gas rail, output gas
Rail links into an integrated entity, and injection valve is compressed and ensures air-tightness.
Further, it is both provided with sealing ring between the hole A, hole B and injection valve.
Compared with prior art, the utility model has the advantages that：Simple in structure, reasonable design, it is easy to use,
Stability is high, it is ensured that the uniform and stable entrance motor intake manifold of natural gas.
Description of the drawings
The utility model patent is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the utility model.
In figure：
1- inputs gas rail；11- voltage stabilizing cavity spaces A；12- hickeys；13- threaded holes A；14- holes A；2- collar nuts；
3- exports gas rail；31- voltage stabilizing cavity space Bs；32- threaded holes B；33- holes B；4- connection bolts.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
By taking two cylinder machines as an example, as shown in Figure 1, a kind of dual fuel engine that electric controlled multi-point is supported to spray gas supply gas rail, packet
Input gas rail 1, output gas rail 3 are included, voltage stabilizing cavity space A11 is provided in the input gas rail 1, is set in the output gas rail 3
Voltage stabilizing cavity space B 31 is equipped with, connection voltage stabilizing cavity space A11, voltage stabilizing cavity are provided between input gas rail 1, output gas rail 3
The injection valve of space B 31, it is described to input the hickey 12 that connection gasification natural gas air inlet pipe road is provided on gas rail 1, screw thread
Interface 12 connects voltage stabilizing cavity space A11, and 31 output terminal of voltage stabilizing cavity space B connects motor intake manifold, the spray
It is at least one to penetrate valve setting, the voltage stabilizing cavity space B 31 sets at least one, each voltage stabilizing cavity space B 31 is at least logical
Cross an injection valve connection voltage stabilizing cavity space A11.
In the present embodiment, hickey 12 is arranged on 1 middle part of input gas rail.
In the present embodiment, voltage stabilizing cavity space A11 one end closing, the other end open up threaded hole A13.
In the present embodiment, the diameter of the threaded hole A13 is more than voltage stabilizing cavity space A11 diameters, and threaded hole A13 is through method
Blue face bolt seal.
In the present embodiment, 31 output terminal of voltage stabilizing cavity space B opens up the threaded hole of connection motor intake manifold
B32。
In the present embodiment, the diameter of the threaded hole B32 is more than 31 diameter of voltage stabilizing cavity space B.
In the present embodiment, the injection valve is universal injection valve.
In the present embodiment, the input gas rail 1, be respectively arranged with that fixed injection valve is installed on output gas rail 3
Hole A14, hole B33, hole A14, hole B33 are concentric, and hole A14, hole B33 are to the gradual increased stepped hole of overall diameter, hole by interior
A14, hole B33 inner end be respectively communicated with voltage stabilizing cavity space A11, voltage stabilizing cavity space B 31, the outer end setting of hole A14, hole B33
There is sealing chamfering, be both provided with sealing ring between the hole A14, hole B33 and injection valve, sealing ring is O-ring seal, stepped hole
It ensure that injection valve end face and stepped hole fitting, sealing chamfering ensure that the integrality and air-tightness of O-ring seal.
In the present embodiment, the sealing chamfering angle size is 10 ° ~ 30 °.
In the present embodiment, it is provided with collar nut 2 between the input gas rail 1, output gas rail 3, it is input gas rail 1, defeated
3 side wall of outlet rail is equipped with the connection bolt 4 being spirally connected with collar nut 2, defeated after connection bolt 4 connect locking with collar nut 2
Enter gas rail 1, output gas rail 3 links into an integrated entity, and injection valve is compressed and ensures air-tightness.
In the present embodiment, the length of collar nut 2 should ensure to compress the sealing of connection according to injection valve selection of dimension
Property.
In use, the hickey 12 at gasification natural gas from 1 middle part of input gas rail enters voltage stabilizing cavity space A11, gasification
Natural gas enters from 1 middle part of input gas rail, makes voltage stabilizing cavity space A11 quick and uniform full of gasification natural gas, pressure stabilizing cavity
The effect of body space A11 is to store a certain amount of gasification natural gas, achievees the effect that voltage stabilizing.Gas in voltage stabilizing cavity space
Change natural gas and enter the injection valve being installed between input gas rail 1 and input gas rail 1 from hole A14, injection valve is according to engine work
Condition determines the start-up time and opening time of injection valve.Gasification natural gas enters voltage stabilizing cavity from open injection valve through hole B33
Then space B 31 enters inlet manifold, to reach the requirement of stable air inlet by voltage stabilizing cavity space B 31.Stablize enter into
Gasification natural gas in gas manifold is normally mixed with air, ensures engine stabilizer work.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (10)
1. a kind of dual fuel engine that electric controlled multi-point is supported to spray gas supply gas rail, it is characterised in that：Including input gas rail, output
Gas rail, described input in gas rail are provided with voltage stabilizing cavity space A, are provided with voltage stabilizing cavity space B in the output gas rail, input
Be provided between gas rail, output gas rail connection voltage stabilizing cavity space A, voltage stabilizing cavity space B injection valve, on the input gas rail
It is provided with the hickey on connection gasification natural gas air inlet pipe road, hickey connection voltage stabilizing cavity space A, the voltage stabilizing cavity
Space B output terminal connects motor intake manifold, and injection valve setting is at least one, the voltage stabilizing cavity space B set to
One few, each voltage stabilizing cavity space B connects voltage stabilizing cavity space A at least through an injection valve.
2. the dual fuel engine gas supply gas rail according to claim 1 for supporting electric controlled multi-point injection, it is characterised in that：Institute
State the closing of voltage stabilizing cavity space A one end, the other end opens up threaded hole A.
3. the dual fuel engine gas supply gas rail according to claim 2 for supporting electric controlled multi-point injection, it is characterised in that：Institute
The diameter for stating threaded hole A is more than voltage stabilizing cavity space A diameters, and threaded hole A is sealed through flange face bolt.
4. the dual fuel engine gas supply gas rail according to claim 1 for supporting electric controlled multi-point injection, it is characterised in that：Institute
State the threaded hole B that voltage stabilizing cavity space B output terminal opens up connection motor intake manifold.
5. the dual fuel engine gas supply gas rail according to claim 4 for supporting electric controlled multi-point injection, it is characterised in that：Institute
The diameter for stating threaded hole B is more than voltage stabilizing cavity space B diameter.
6. the dual fuel engine gas supply gas rail of the support electric controlled multi-point injection according to claim 1-5 any one,
It is characterized in that：The injection valve is universal injection valve.
7. the dual fuel engine gas supply gas rail according to claim 6 for supporting electric controlled multi-point injection, it is characterised in that：Institute
It states input gas rail, be respectively arranged with that the hole A of injection valve, hole B are installed on output gas rail, hole A, hole B are concentric, hole A, hole B
For by interior to the gradual increased stepped hole of overall diameter, hole A, hole B to be respectively communicated with voltage stabilizing cavity space A, voltage stabilizing cavity empty for inner end
Between B, hole A, hole B outer end be provided with sealing chamfering.
8. the dual fuel engine gas supply gas rail according to claim 7 for supporting electric controlled multi-point injection, it is characterised in that：Institute
It is 10 ° ~ 30 ° to state sealing chamfering angle size.
9. the dual fuel engine gas supply gas rail according to claim 7 for supporting electric controlled multi-point injection, it is characterised in that：Institute
It states and collar nut is provided between input gas rail, output gas rail, input gas rail, output gas trackside wall are equipped with and collar nut spiral shell
The connection bolt connect, after connection bolt connect locking with collar nut, input gas rail, output gas rail link into an integrated entity, and will spray
It penetrates valve and compresses and ensure air-tightness.
10. the dual fuel engine gas supply gas rail according to claim 7 for supporting electric controlled multi-point injection, it is characterised in that：
Sealing ring is both provided between the hole A, hole B and injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721654622.1U CN207583546U (en) | 2017-12-02 | 2017-12-02 | Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721654622.1U CN207583546U (en) | 2017-12-02 | 2017-12-02 | Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583546U true CN207583546U (en) | 2018-07-06 |
Family
ID=62735123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721654622.1U Expired - Fee Related CN207583546U (en) | 2017-12-02 | 2017-12-02 | Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184903A (en) * | 2018-10-31 | 2019-01-11 | 福州大学 | The quasi-Homogeneous charge of multi-point injection is calmed the anger liquid electric control system of dual-fuel engine |
-
2017
- 2017-12-02 CN CN201721654622.1U patent/CN207583546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184903A (en) * | 2018-10-31 | 2019-01-11 | 福州大学 | The quasi-Homogeneous charge of multi-point injection is calmed the anger liquid electric control system of dual-fuel engine |
| CN109184903B (en) * | 2018-10-31 | 2019-08-16 | 福州大学 | The quasi-Homogeneous charge of multi-point injection is calmed the anger liquid electric control system of dual-fuel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102383991B (en) | For the coaxial line hollow shaft assembly of dual fuel common rail system | |
| CN207583546U (en) | Support the dual fuel engine gas supply gas rail of electric controlled multi-point injection | |
| CN203476553U (en) | Air inlet manifold structure | |
| CN103437916B (en) | A kind of motor backfireproof safety valve | |
| CN105484864A (en) | Air inlet structure for dual-fuel engine | |
| CN203452932U (en) | Temper-preventing safety valve for engine | |
| CN102733998A (en) | Gas engine intake mixing device | |
| CN206600599U (en) | One kind lubrication uses pneumatic forced oil device | |
| CN206386198U (en) | Diesel oil and liquefied natural gas dual fuel engine gas safe feedway | |
| CN206409321U (en) | A kind of compressed natural gas used as vehicle fuel heater | |
| CN202597808U (en) | Charging valve | |
| CN206055618U (en) | A kind of fuel Multipoint Uniform spraying system for oil-poor direct-injection combustor | |
| CN205330827U (en) | Gas and EGR mix directly system of spouting | |
| CN204163879U (en) | A kind of oil gas three uses Carburetor | |
| CN203925808U (en) | A kind of venturi air inlet system that adapts to kinds of gas sources | |
| CN203335279U (en) | Natural gas mixer | |
| CN208793099U (en) | A kind of engine washing equipment with clearing function | |
| CN202055938U (en) | Gas engine intake mixing device | |
| CN202348477U (en) | Novel gas pressure reducer | |
| CN206988635U (en) | A kind of safe diffusion device for pressure regulating box | |
| CN202991317U (en) | Diesel engine fuel heating device | |
| CN205717201U (en) | Wind control steady burning burner | |
| CN204312219U (en) | Diesel oil conveying automatic gasifying | |
| CN203847264U (en) | In-cylinder injection type gas internal combustion engine cylinder cover | |
| CN205001602U (en) | Novel PCV valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201202 |