CN205744143U - Air inlet pipeline ejection-type natural gas engine - Google Patents
Air inlet pipeline ejection-type natural gas engine Download PDFInfo
- Publication number
- CN205744143U CN205744143U CN201620424689.5U CN201620424689U CN205744143U CN 205744143 U CN205744143 U CN 205744143U CN 201620424689 U CN201620424689 U CN 201620424689U CN 205744143 U CN205744143 U CN 205744143U
- Authority
- CN
- China
- Prior art keywords
- cartridge
- air inlet
- spray
- hole
- control valve
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses air inlet pipeline ejection-type natural gas engine, including gray iron, air inlet pipe, ejector and fuel injector.Ejector includes ejector body, the first cartridge, the second cartridge, the first control valve, the second control valve, spool and spool moving control mechanism.Ejector body is inclined in air inlet pipe, and the first and second control valves are separately positioned on the first and second cartridges；The interior of ejector body is provided with the first and second cannelures being connected respectively with the first and second cartridges；First and second cannelures are connected with spray-hole by multiple first and second teaseholes respectively；Spool is axially displaceably arranged in spray-hole.Fuel injector includes injector body, the 3rd cartridge and the 3rd control valve；Injector body is vertically located on cylinder cap, and one end of the 3rd cartridge is connected with injector body, and the 3rd control valve is located on the 3rd cartridge.Ejector of the present utility model can spray two kinds of fuel.
Description
Technical field
This utility model relates to natural gas engine.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, the gas (including casing-head gas, reservoir gas, gas of mud volcano, coal bed gas and biological generation gas etc.) formed including various natural processes in atmospheric thermodynamics, hydrosphere and lithosphere.And the definition of the most general " natural gas " of people, it is to define from the narrow sense of energy point of view, refers to the natural hydro carbons contained in stratum and the mixture of non-hydrocarbon gases, in petroleum geology, being often referred to casing-head gas and reservoir gas, its composition is based on hydro carbons, and contains non-hydrocarbon gas.Natural gas is contained in underground porous gap rock stratum, including casing-head gas, reservoir gas, coal bed gas, gas of mud volcano and biological generation gas etc., also has a small amount of for coal seam, and it is fuel and the industrial chemicals of high-quality.
Natural gas engine is to change the natural gas a kind of gaseous propellant engine as fuel with oil.The methane content of natural gas, typically more than 90%, is a kind of well engine fuel.What China started popularization and application in 2012 is can to use compressed natural gas or gasoline compressed natural gas gasoline dual-purpose fuel automobile respectively, is called for short CNG automobile, the most also will widely popularize the single fuel natural gas automobile of application.Natural gas, typically at about 20MPa, can after dehydration, desulfurizing and purifying process, be prepared by the pressure of compressed natural gas used as vehicle fuel through multistage pressurization.Natural gas engine has the advantage that first, flameholding, will not produce pinking, and cold and hot start convenient；Second, compressed natural gas combustion completion, carbon distribution is few, reduces vapour lock and pinking, is conducive to extending the service life of each parts of electromotor, reduces maintenance number of times, maintenance cost is greatly lowered；3rd, use compressed natural gas compared with gasoline, the discharge of carbon monoxide, sulfur dioxide, carbon dioxide etc. can be greatly lowered, and do not have benzene, lead etc. carcinogenic and noxious substance is detrimental to health.
In the prior art, natural gas can synchronize to be ejected in electromotor with gasoline, so can solve the problem that natural gas engine acceleration is the best.But, natural gas can spray with the synchronization of gasoline, uses two ejectors to complete.In the prior art, ejector is not also had can to synchronize to spray two kinds of fuel.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of air inlet pipeline ejection-type natural gas engine, and it can use same ejector to spray two kinds of fuel.
For solving above-mentioned technical problem, this utility model adopts the technical scheme that:
Air inlet pipeline ejection-type natural gas engine, including gray iron and air inlet pipe；Cylinder cap is connected with cylinder body；The gas outlet of air inlet pipe connects with the air intake duct of cylinder cap, and its feature is, air inlet pipeline ejection-type natural gas engine also includes ejector and fuel injector；Ejector includes ejector body, the first cartridge, the second cartridge, the first control valve, the second control valve, spool and spool moving control mechanism；Ejector body is inclined in air inlet pipe, and ejector body has the spray-hole axially extended, and one end of spray-hole is closed, and the other end is connected with air inlet pipe；One end of first cartridge is connected with ejector body respectively with one end of the second cartridge, and the first control valve and the second control valve are separately positioned on the first cartridge and the second cartridge；The interior of ejector body is provided with the first annular groove and the second cannelure being connected respectively with the first cartridge and the second cartridge；First annular groove is connected with spray-hole by multiple first teaseholes being arranged on spray-hole hole wall, and the second cannelure is connected with spray-hole by multiple second teaseholes being arranged on spray-hole hole wall；Spool is axially displaceably arranged in spray-hole, and can move between open position and scram position；When spool is in the open position, multiple first teaseholes all connect with spray-hole with multiple second teaseholes, and when spool is off position, multiple first teaseholes and multiple second teasehole all disconnect with spray-hole；Spool moving control mechanism is for controlling the movement of spool；Fuel injector includes injector body, the 3rd cartridge and the 3rd control valve；Injector body is vertically arranged on cylinder cap, and one end of the 3rd cartridge is connected with injector body, and the 3rd control valve is arranged on the 3rd cartridge.
Above-mentioned air inlet pipeline ejection-type natural gas engine, wherein, the other end of the first cartridge is connected with natural gas storage tank, and the other end of the second cartridge and the other end of the 3rd cartridge are connected with petrol tank respectively.
Above-mentioned air inlet pipeline ejection-type natural gas engine, wherein, multiple first teaseholes are arranged on the upstream of multiple second teasehole.
After using technique scheme, this utility model at least has the following advantages and feature:
Ejector of the present utility model both can independent injected petrol, it is also possible to individually sprays natural gas, can also synchronize to spray two kinds of fuel simultaneously.When spraying two kinds of fuel, the injection proportion of each fuel can regulate in real time.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the air inlet pipeline ejection-type natural gas engine according to this utility model one embodiment, and wherein, spool is off position.
Fig. 2 is the profile at first annular groove of the ejector body according to this utility model one embodiment.
Fig. 3 is the profile at the second cannelure of the ejector body according to this utility model one embodiment.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Refer to Fig. 1 to Fig. 3.Air inlet pipeline ejection-type natural gas engine according to this utility model one embodiment, including cylinder body 1, cylinder cap 2, air inlet pipe 3, ejector 4 and fuel injector 5.
Cylinder cap 2 is connected with cylinder body 1；The gas outlet of air inlet pipe 3 connects with the air intake duct (not shown) of cylinder cap 2.
Ejector 4 includes ejector body the 40, first cartridge the 41, second cartridge the 42, first control valve the 43, second control valve 44, spool 45 and spool moving control mechanism.
Ejector body 40 is inclined in air inlet pipe 3, and this ejector body 40 has the spray-hole 400 axially extended, and one end of spray-hole 400 is closed, and the other end is connected with air inlet pipe 3.One end of first cartridge 41 is connected with ejector body 40 respectively with one end of the second cartridge 42, the other end of the first cartridge 41 can be connected with natural gas storage tank (not shown), and the other end of the second cartridge 42 can be connected with petrol tank (not shown).First control valve 43 and the second control valve 44 are separately positioned on the first cartridge 41 and the second cartridge 42.The interior of ejector body 40 is provided with the first annular groove 401 and the second cannelure 402 being connected respectively with the first cartridge 41 and the second cartridge 42；First annular groove 401 is connected with spray-hole 400 by multiple first teaseholes 403 being arranged on spray-hole hole wall, and the second cannelure 402 is connected with spray-hole 400 by multiple second teaseholes 404 being arranged on spray-hole hole wall.Preferably, multiple first teaseholes 403 and multiple second teasehole 404 are all to be arranged equally spaced on spray-hole hole wall.In the present embodiment, the quantity of the first teasehole 403 and the second teasehole 404 is four, the adjacent angle between each two the first teasehole 403 and between adjacent each two the second teasehole 404 angle be 90 °.
Preferably, the first teasehole 403 of injection natural gas is arranged in the upstream of the second teasehole 404 of injected petrol, and when two kinds of fuel spray simultaneously, the atomizing effect of gasoline can be more preferably.
Spool 45 is axially displaceably arranged in spray-hole 400, and can move between open position and scram position；The (not shown) when spool 45 is in the open position, multiple first teaseholes 403 all connect with spray-hole 400 with multiple second teaseholes 404, and the fuel from the first cartridge 41 and the second cartridge 42 can enter the spray-hole 400 of ejector；When spool 45 is off position, as it is shown in figure 1, multiple first teasehole 403 and multiple second teasehole 404 all disconnect with spray-hole 400, will not enter into from the fuel of the first cartridge 41 and the second cartridge 42 in the spray-hole 400 of ejector.
Spool moving control mechanism is for controlling the movement of spool 45.In the present embodiment, spool moving control mechanism includes solenoid 46 and spring 47.Solenoid 46 is arranged on the interior of ejector body 40, and around spray-hole 400；Solenoid 46 can apply the thrust promoting this spool 45 to be shifted to scram position by open position when energising to spool 45；Spring 46 is arranged between the bottom of spray-hole 400 and spool 45, for providing the elastic reset power resetting to open position to spool 45.
Fuel injector 5 includes injector body the 50, the 3rd cartridge 53 and the 3rd control valve 56.Injector body 50 is vertically arranged on cylinder cap 2, and one end of the 3rd cartridge 53 is connected with injector body 50, and the 3rd control valve 56 is arranged on the 3rd cartridge 53.
In the present embodiment, aforesaid first control valve the 43, second control valve 44 is all connected with the control output end of Engine ECU with the input that controls of the 3rd control valve 56.First control valve the 43, second control valve 44 and the 3rd control valve 56 all can use electromagnetic valve.
During work, ejector 4 both can independent injected petrol, it is also possible to individually sprays natural gas, can also synchronize to spray two kinds of fuel simultaneously.Ejector 4 is when spraying two kinds of fuel, and the ratio of the emitted dose of each fuel can be regulated in real time by the first and second control valves.Fuel injector 5 only can be with injected petrol.In conventional operating mode, only spray natural gas, ejector 4, fuel injector 15 the most not injected petrol with ejector 4, so can save the energy.In accelerated loading operating mode at a slow speed, ejector 4 can injected petrol and natural gas simultaneously.In fast speed accelerated loading operating mode, ejector 4 only injected petrol, fuel injector 5 also synchronizes injected petrol, and electromotor so can be made to play the accelerated loading of maximum potential.
Above description is further illustrating of combining that this utility model done by detailed description of the invention and accompanying drawing.But; this utility model obviously can be implemented with multiple this other method described that is different from; those skilled in the art can carry out promoting, deducing according to actually used situation in the case of this utility model content; therefore, the content of above-mentioned specific embodiment should not limit the protection domain that this utility model determines.
Claims (7)
1. air inlet pipeline ejection-type natural gas engine, including gray iron and air inlet pipe；Described cylinder cap is connected with described cylinder body；The gas outlet of described air inlet pipe connects with the air intake duct of described cylinder cap, it is characterised in that described air inlet pipeline ejection-type natural gas engine also includes ejector and fuel injector；
Described ejector includes ejector body, the first cartridge, the second cartridge, the first control valve, the second control valve, spool and spool moving control mechanism；Described ejector body is inclined in described air inlet pipe, and this ejector body has the spray-hole axially extended, and one end of described spray-hole is closed, and the other end is connected with described air inlet pipe；One end of described first cartridge is connected with ejector body respectively with one end of described second cartridge, and the first described control valve and the second control valve are separately positioned on the first cartridge and the second cartridge；The interior of described ejector body is provided with the first annular groove and the second cannelure being connected respectively with the first cartridge and the second cartridge；Described first annular groove is connected with described spray-hole by multiple first teaseholes being arranged on spray-hole hole wall, and described second cannelure is connected with described spray-hole by multiple second teaseholes being arranged on spray-hole hole wall；Described spool is axially displaceably arranged in described spray-hole, and can move between open position and scram position；When described spool is in described open position, described multiple first teaseholes all connect with described spray-hole with multiple second teaseholes, when described spool is in described scram position, described multiple first teaseholes and multiple second teasehole all disconnect with described spray-hole；Described spool moving control mechanism is for controlling the movement of described spool；
Described fuel injector includes injector body, the 3rd cartridge and the 3rd control valve；Described injector body is vertically arranged on described cylinder cap, and one end of described 3rd cartridge is connected with described injector body, and described 3rd control valve is arranged on described 3rd cartridge.
Air inlet pipeline ejection-type natural gas engine the most according to claim 1, it is characterized in that, the other end of described first cartridge is connected with natural gas storage tank, and the other end of described second cartridge and the other end of the 3rd cartridge are connected with petrol tank respectively.
Air inlet pipeline ejection-type natural gas engine the most according to claim 2, it is characterised in that the plurality of first teasehole is arranged on the upstream of the plurality of second teasehole.
Air inlet pipeline ejection-type natural gas engine the most according to claim 1, it is characterised in that described spool moving control mechanism includes solenoid and spring；
Described solenoid is arranged on the interior of described ejector body, and around described spray-hole；Described spool can be applied to promote this spool to be shifted to the thrust of described scram position by described open position by described solenoid when energising；
Described spring is arranged between the bottom of described spray-hole and described spool, for providing the elastic reset power resetting to open position to spool.
Air inlet pipeline ejection-type natural gas engine the most according to claim 1, it is characterised in that described multiple first teaseholes and multiple second teasehole are all to be arranged equally spaced on spray-hole hole wall.
Air inlet pipeline ejection-type natural gas engine the most according to claim 1, it is characterised in that the input that controls of described the first control valve, the second control valve and the 3rd control valve is all connected with the control output end of Engine ECU.
7. according to the air inlet pipeline ejection-type natural gas engine described in claim 1 or 6, it is characterised in that described the first control valve, the second control valve and the 3rd control valve are electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424689.5U CN205744143U (en) | 2016-05-11 | 2016-05-11 | Air inlet pipeline ejection-type natural gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424689.5U CN205744143U (en) | 2016-05-11 | 2016-05-11 | Air inlet pipeline ejection-type natural gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744143U true CN205744143U (en) | 2016-11-30 |
Family
ID=57368029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620424689.5U Active CN205744143U (en) | 2016-05-11 | 2016-05-11 | Air inlet pipeline ejection-type natural gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654312A (en) * | 2017-10-31 | 2018-02-02 | 河南柴油机重工有限责任公司 | A kind of marine engine air inlet pipeline |
-
2016
- 2016-05-11 CN CN201620424689.5U patent/CN205744143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654312A (en) * | 2017-10-31 | 2018-02-02 | 河南柴油机重工有限责任公司 | A kind of marine engine air inlet pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102635472B (en) | The motor of dual fuel common rail system and this dual fuel common rail system of use | |
| CN102840072B (en) | For the dual fuel injector of common rail system | |
| CN103782021B (en) | For the fuel injector of double fuel common rail system | |
| CN103384761B (en) | For the dual fuel injector of common rail system | |
| CN101506509B (en) | Concurrent injection of liquid and gaseous fuels in an engine | |
| CN104675592A (en) | Natural gas/diesel dual-fuel ejector with self-lubricating function | |
| CN108350825B (en) | Techniques for deposit reduction for gaseous fuel injectors | |
| WO2007112545A8 (en) | Method and apparatus of fuelling an internal combustion engine with hydrogen and methane | |
| CN201650502U (en) | Automobile gas fuel electronic-controlled injection electromagnetic valve | |
| CN103168163A (en) | Two-stage fuel injection valve | |
| CN102906399A (en) | Retrofit gas fuel supply kit retrofittable to internal combustion engine using liquid fuel | |
| CN103089506B (en) | Device and method achieving liquid and gas dual fuel injection | |
| CN104136749A (en) | Dual-fuel diesel engine and method for operating same | |
| CN205744143U (en) | Air inlet pipeline ejection-type natural gas engine | |
| CN103967674B (en) | A kind of diesel oil premixed natural gas nozzle and method of work thereof | |
| CN205744222U (en) | Ejection-type electromotor worked in coordination with by natural gas and gasoline | |
| CN205744221U (en) | Three fuel ratios adjustable direct in-cylinder fuel injection apparatus | |
| US20170218898A1 (en) | Multi-fuel injector for an internal combustion engine, method for operating a multi-fuel injector and internal combustion engine | |
| CN210068341U (en) | Gas fuel injector | |
| CN101825279A (en) | Method for achieving water-injecting high-pressure combustion through pipeline of fuel nozzle | |
| CN110118138A (en) | A kind of gaseous-fuel injector | |
| US10563597B2 (en) | Fuel injector | |
| CN110118137A (en) | A kind of gaseous fuel injection system | |
| CN101614170B (en) | Oxygen-increasing and combustion-supporting oil saving device for engine | |
| CN206617263U (en) | Practical automobile oil gas flow dividing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |