CN104564430B - A kind of gaseous propellant engine integral type feeder - Google Patents
A kind of gaseous propellant engine integral type feeder Download PDFInfo
- Publication number
- CN104564430B CN104564430B CN201510028503.4A CN201510028503A CN104564430B CN 104564430 B CN104564430 B CN 104564430B CN 201510028503 A CN201510028503 A CN 201510028503A CN 104564430 B CN104564430 B CN 104564430B
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- China
- Prior art keywords
- fuel gas
- gas injection
- inlet manifold
- cylinder body
- extension tube
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- 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
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
It is an object of the invention to provide a kind of gaseous propellant engine integral type feeder, including cylinder body, fuel gas injection valve, inlet manifold's gentle rail is set in cylinder body, air inlet is set above cylinder body, cylinder body side sets inlet manifold, air inlet and inlet manifold are connected with inlet manifold, fuel gas injection valve is installed on cylinder body, the fuel gas inlet of fuel gas injection valve is communicated by targeting port with gas rail, the gas outlet rear of fuel gas injection valve sets fuel gas injection extension tube, the first end of fuel gas injection extension tube is fixed on cylinder body, the second end of fuel gas injection extension tube stretches in inlet manifold and sets disperse hole, the quantity of fuel gas injection valve and fuel gas injection extension tube is corresponding with the quantity of inlet manifold.The gentle rail of inlet manifold of the present invention uses integral structure, simplifies feeder, while it also avoid sealing and the safety problem of hose connection.Fuel gas injection extension tube and the structure in disperse hole are employed, ensure that natural gas and air are uniformly mixed.
Description
Technical field
The present invention relates to a kind of engine, specifically gaseous propellant engine.
Background technology
It is to realize one of very effective means of its energy-saving and emission-reduction to develop internal combustion engine alternative fuel, increasingly severeer to solving
Oil crisis and environmental pollution be of great significance.Gaseous fuel (such as natural gas, oil gas), has combustion cleaning, calorific value
The advantages that big, especially natural gas, because its rich reserves and as the first choice of following internal combustion engine alternative fuel.Existing gas combustion
It is mostly to use multi-point injection to expect engine, it is possible to achieve the control at regular time and quantity of combustion gas, its combustion gas and the supply of air are respectively
Realized using two sets of different devices, i.e., air is supplied by air inlet pipe, and combustion gas is supplied by gas rail, but this is needed very
Big installation space, combustion gas and air mixing are not uniform enough, simultaneously because gas rail and the absolute construction of air inlet pipe need hose to connect
Connect, therefore the sealing there is also hose connection and safety problem.
The patent of publication number CN103485944A is related to a kind of dual-fuel diesel engine gas supply system, the patent pass through by
Each corresponding gas injector of cylinder extend into the design of each inlet manifold, reaches compact-sized, responds the characteristics of fast, and
The scavenging loss in valve overlap duration can be eliminated；The patent of publication number CN201826977U is related to a kind of dual fuel engine combustion
Air feed system, using inlet manifold multi-point injection；Publication number CN103899423A's and publication number CN103899424A
Patent is related to a kind of double fuel engine of boat and ship, its combustion gas is supplied by gas rail, can reach the effect of stable gaseous-pressure, empty
Gas is supplied by air inlet pipe, and the gentle rail of air inlet pipe is two sets of independent structures；The patent of publication number CN103821638A is related to
A kind of gaseous propellant engine fuel is two sets independent for giving the embedded assembly of air inlet, its air inlet pipe and gas distributor
Structure, but it uses two sets of gas distribution pipes, has been separately mounted to the inside and outside of air inlet pipe；Publication number
The patent of CN101644215A and publication number CN101429907A are related to a kind of integrated suction manifold equipped with fuel common rail, its
The gentle rail of air inlet pipe is two sets of independent structures, and combustion gas common rail and inlet manifold are tightened together by metallic reinforcement brackets.
Above-mentioned patent is to use multipoint sequential injection, and its combustion gas and the supply of air are different using two sets respectively
Device come what is realized, feeder is complicated, required installation space is larger, combustion gas and air mixing it is not uniform enough, simultaneously because
Gas rail needs hose to connect with the absolute construction of air inlet pipe, therefore the sealing there is also hose connection and safety problem.
The content of the invention
It is an object of the invention to provide to complicated, the installation space that solves gaseous propellant engine feeder
Greatly, uneven and the sealing there are hose connection and a kind of gaseous propellant engine integral type supply dress of safety problem are mixed
Put.
The object of the present invention is achieved like this：
A kind of gaseous propellant engine integral type feeder of the present invention, it is characterized in that：Including cylinder body, fuel gas injection valve,
The inlet manifold being parallel to each other gentle rail is set in cylinder body, air inlet is set above cylinder body, cylinder body side sets inlet manifold, into
Gas port and inlet manifold are connected with inlet manifold, and fuel gas injection valve is installed on cylinder body, and the fuel gas inlet of fuel gas injection valve is led to
Cross targeting port to communicate with gas rail, the gas outlet rear of fuel gas injection valve sets fuel gas injection extension tube, fuel gas injection extension tube
First end be fixed on cylinder body, the second end of fuel gas injection extension tube stretches in inlet manifold and sets disperse hole, combustion gas
The quantity of injection valve and fuel gas injection extension tube is corresponding with the quantity of inlet manifold.
The present invention can also include：
1st, it is vertical from the air draught direction in the gas flow direction and inlet manifold that disperse hole sprays.
2nd, fuel gas injection extension tube is fixed by connecting bolt and cylinder body, and is realized and sealed by sealing ring and cylinder body.
Advantage of the invention is that：The gentle rail of inlet manifold of the present invention uses integral structure, simplifies feeder, section
Installation space has been saved, while it also avoid sealing and the safety problem of hose connection.Employ fuel gas injection extension tube and disperse
The structure in hole, ensure that natural gas and air are uniformly mixed in inlet manifold.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the bottom view of the present invention；
Fig. 3 is the A-A views of the present invention.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1~3, gaseous propellant engine is by taking six cylinder machines as an example, and the fuel gas injection valve that each cylinder is installed is with one
Exemplified by a.
Mainly include fuel gas injection valve 1, sealing bolt 2, fuel gas injection extension tube 3, inlet manifold 4, inlet manifold 5, into
Gas port 6, gas rail 7, targeting port 8, connection bolt 9, disperse hole 10, sealing ring 11；The gentle rail 7 of the inlet manifold 5 uses one
Body formula structure.On inlet manifold 5 while being evenly distributed with two air inlets 6 and six inlet manifold 4, air via air inlet 6, into
Gas manifold 5, inlet manifold 4 enter cylinder.The installation site and inlet manifold 4 of fuel gas injection valve 1 correspond, natural gas cylinder
By being that gas rail 7 supplies natural gas at sealing bolt 2, fuel gas injection valve 1 sprays the natural gas being stored in gas rail 7, via
Natural gas is imported inlet manifold 4 by targeting port 8, fuel gas injection extension tube 3, disperse hole 10.The end of fuel gas injection extension tube 3 is equal
Even to be dispersed with several disperse holes 10, the gas flow direction and air draught direction sprayed from disperse hole 10 is vertical.
Fuel gas injection valve 1, sealing bolt 2, fuel gas injection extension tube 3, inlet manifold 4, inlet manifold 5, air inlet 6, gas
Rail 7, targeting port 8, connection bolt 9, disperse hole 10, sealing ring 11 have collectively constituted gaseous propellant engine integral type of the present invention and have supplied
Device of air.The gentle rail 7 of inlet manifold 5 uses integral structure, simplifies feeder, saves installation space, while also keep away
Sealing and the safety problem of hose connection are exempted from.Two air inlets 6 and six inlet manifold 4, air are evenly distributed with inlet manifold 5
Enter cylinder via air inlet 6, inlet manifold 5, inlet manifold 4.The installation site and inlet manifold 4 of fuel gas injection valve 1 are one by one
Corresponding, by being that gas rail 7 supplies natural gas at sealing bolt 2, fuel gas injection valve 1 will be stored in gas rail 7 natural gas cylinder
Natural gas sprays, and natural gas is imported inlet manifold 4 via targeting port 8, fuel gas injection extension tube 3, disperse hole 10, several are more
Dissipate the end that hole 10 is evenly distributed on fuel gas injection extension tube 3, the gas flow direction sprayed from disperse hole 10 and air gas
It is vertical to flow direction, ensure that natural gas and air are uniformly mixed in inlet manifold 4.Sealing bolt 2 ensure that the close of gas rail 7
Envelope, connection bolt 9 fix fuel gas injection extension tube 3, and fuel gas injection valve 1 and the installation site for connecting bolt 9 have several
Sealing ring 11 ensures sealing.
Claims (3)
1. a kind of gaseous propellant engine integral type feeder, it is characterized in that：Including cylinder body, fuel gas injection valve, set in cylinder body
The gentle rail of the inlet manifold being parallel to each other is put, the gentle rail of inlet manifold uses integral structure, air inlet, cylinder are set above cylinder body
Side side sets inlet manifold, and air inlet and inlet manifold are connected with inlet manifold, and fuel gas injection valve is installed on cylinder body, fires
The fuel gas inlet of gas jet valve is communicated by targeting port with gas rail, and the gas outlet rear of fuel gas injection valve sets fuel gas injection to prolong
Long tube, the first end of fuel gas injection extension tube are fixed on cylinder body, and the second end of fuel gas injection extension tube stretches to inlet manifold
In and set disperse hole, fuel gas injection valve and the quantity of fuel gas injection extension tube and the quantity of inlet manifold corresponding.
2. a kind of gaseous propellant engine integral type feeder according to claim 1, it is characterized in that：Sprayed from disperse hole
Air draught direction in the gas flow direction gone out and inlet manifold is vertical.
3. a kind of gaseous propellant engine integral type feeder according to claim 1 or 2, it is characterized in that：Gas injection
Penetrate extension tube and fixed by connecting bolt with cylinder body, and realized and sealed by sealing ring and cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028503.4A CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028503.4A CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564430A CN104564430A (en) | 2015-04-29 |
| CN104564430B true CN104564430B (en) | 2018-04-17 |
Family
ID=53081316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028503.4A Active CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104564430B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134401A (en) * | 2015-06-08 | 2015-12-09 | 中国第一汽车股份有限公司 | Natural gas engine air cylinder cover assembly suitable for multi-point injection system |
| CN105179114B (en) * | 2015-10-15 | 2017-08-25 | 广西玉柴机器股份有限公司 | The integrated mixer of gas engine |
| CN105484864B (en) * | 2016-01-21 | 2019-05-31 | 宁波中策动力机电集团有限公司 | A kind of air intake structure of dual fuel engine |
| CN106246397A (en) * | 2016-08-18 | 2016-12-21 | 安徽天利动力股份有限公司 | A kind of air cylinder head structure of band air inlet pipe |
| CN107131074B (en) * | 2017-06-28 | 2023-08-01 | 哈尔滨工程大学 | Integrated annular manifold wall surface gas fuel injection mixing device with piezoelectric actuator |
| CN107387266B (en) * | 2017-09-07 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of fuel gas ejecting device |
| CN107939556A (en) * | 2017-12-25 | 2018-04-20 | 潍柴动力股份有限公司 | A kind of multi-point injection natural gas engine |
| CN109386403B (en) * | 2018-09-29 | 2021-10-26 | 哈尔滨工程大学 | Double-valve type gas injection device for gas and dual-fuel engine with double gas inlet channels and control method of double-valve type gas injection device |
| CN110318911A (en) * | 2019-06-26 | 2019-10-11 | 哈尔滨工程大学 | A kind of natural gas engine gas injection apparatus with fountain nozzle arrangements |
-
2015
- 2015-01-21 CN CN201510028503.4A patent/CN104564430B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564430A (en) | 2015-04-29 |
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