CN101117931A - Double-layer injection fuel oil injector used for diesel oil and dimethyl ether - Google Patents
Double-layer injection fuel oil injector used for diesel oil and dimethyl ether Download PDFInfo
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- CN101117931A CN101117931A CNA2007100706005A CN200710070600A CN101117931A CN 101117931 A CN101117931 A CN 101117931A CN A2007100706005 A CNA2007100706005 A CN A2007100706005A CN 200710070600 A CN200710070600 A CN 200710070600A CN 101117931 A CN101117931 A CN 101117931A
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Abstract
A double-layer fuel injector used for diesel oil and DME mainly consists of a fuel injector needle valve, a fuel injector needle valve body, a fuel injector body, a DME oil outlet one-way valve, a DME oil inlet one-way valve and a pressure boosting piston, etc. The pressure boosting piston, the DME oil outlet one-way valve and the DME oil inlet one-way valve are arranged inside the fuel injector. The DME oil outlet one-way valve is communicated with a DME spray hole through a DME groove in the fuel injector needle valve body and a DME channel in the fuel injector needle valve body. A diesel oil inlet is communicated with the oil groove of a fuel injector through the diesel oil inlet of the fuel injector body, a rotating groove in the fuel injector needle valve body and the diesel oil channel in the fuel injector needle valve body. A diesel oil spray hole at the lower part of the fuel injector needle valve body is interleaved and arranged with the DME spray hole and the two have the same spray hole included angle. The present invention provides a double-layer fuel injector used for diesel oil and DME, wherein the original diesel engine fuel injection system can be used as a diesel fuel injection system and a DME drive system at the same time, and the two fuels are injected separately into the engine cylinders through the injector.
Description
Technical field
What the present invention relates to is a kind of internal-combustion engine oil sprayer, and particularly a kind of double-layer injection oil sprayer that is used for diesel oil and dimethyl ether belongs to technical field of internal combustion engines.
Background technique
Compression ignition engine generally uses diesel oil to act as a fuel, because its thermal efficiency height is subjected to people's great attention always.But the harmful soot and the oxynitrides of its discharging are very high, and people take a lot of technical measures to reduce its discharging, but are difficult to simultaneously they be reduced.Dimethyl ether is as a kind of emerging clean alternative fuel, very high cetane number is arranged, no C-C key in its structure of molecule, atomization is good, burning can be eliminated carbon smoke exhaust fully on compression ignition engine, reduces the discharging of oxynitrides effectively and reduces noise.Because production of diesel oil is big, dominating the rate of fuel consumption of compression ignition engine, compression ignition engine also is to use diesel oil to act as a fuel in considerable time from now on.On compression ignition engine, use dimethyl ether and diesel oil can reduce soot and oxynitrides discharging effectively simultaneously.
In recent years, people use dimethyl ether fuel to study to compression ignition engine.Compression ignition engine uses dimethyl ether fuel that dual mode is generally arranged, and a kind of mode is to use dimethyl ether fuel separately, and another kind of mode is to use diesel oil and dimethyl ether mixed fuel.First kind of mode, as patent " the low-pressure fuel supply system of engine for combusting dimethyl ether or diesel oil " (patent No. ZL03108031.6, inventor: Zhou Longbao etc.) invented the low-pressure fuel supply system of a kind of engine for combusting dimethyl ether or diesel oil, switching by dimethyl ether and two oil circuits of diesel oil feeds the original ejecting system of motor with fuel, realize the burning of diesel oil or dimethyl ether, solved the vapour locking problem of low pressure oil circuit.Patent " the super many spray orifices of dimethyl ether fuel are strengthened ejecting system " (patent No. ZL03129549.5, inventor: Huang Zhen etc.) invented the super many spray orifices of a kind of dimethyl ether fuel and strengthened ejecting system, strengthened ejecting system by double-deck spray orifice and come dimethyl ether fuel.Patent " the dimethyl ether ejecting system of diesel oil oil pump driving (patent No. ZL200310121609.6; inventor: the pressure that utilizes the original diesel oil oil pump of compression ignition engine to produce Huang Zhen etc.); drive dimethyl ether by drive piston and spray; can control the injection of dimethyl ether easily by the fuel supply advance angle of adjusting the diesel oil oil pump; dimethyl ether does not need directly to pass through oil pump, does not need the high devices of expense such as high-pressure nitrogen bottle.Concerning another kind of mode, because the diesel injection system of compression ignition engine has developed fairly perfectly, mostly be on conventional diesel engine, ejecting system to be carried out local flow improvement about the fuel combination of diesel oil and dimethyl ether as the technology of pressure combustion motor fuel both at home and abroad.In the prior art, patent " dimethyl ether blending and burning technology " (patent No. ZL00103920.2, inventor: Yang Qing Buddhist etc.) dimethyl ether and diesel oil are mixed in container by a certain percentage, enter the oil supply system of diesel engine again.Patent " diesel oil, dimethyl ether hybrid injection system " (patent No. ZL200310121608.1, inventor: Huang Zhen etc.) invent a kind of diesel oil, dimethyl ether hybrid injection system, the diesel oil oil supply system is both as the oil supply system of diesel oil in the fuel combination, again as the drive system of dimethyl ether, fuel combination forms in oil sprayer, dimethyl ether need not directly to pass through oil pump, does not also need the high devices of expense such as high-pressure nitrogen bottle, and this invention has solved the wear problem of parts.Still there be not the oil sprayer of while both at home and abroad to engine air in-cylinder injection diesel oil and dimethyl ether.
Summary of the invention
In order to overcome deficiency of the prior art and defective, the invention provides a kind of double-layer injection oil sprayer that is used for diesel oil and dimethyl ether, mainly comprise: the diesel oil spray orifice, the dimethyl ether spray orifice, the oil sprayer oil holding slot, oil-fuel injector needle-valve, dimethyl ether passage in the fuel injector needle valve body, the fuel injector needle valve body, the tight cap of oil sprayer, the oil sprayer tappet, oil injector body, the fuel-displaced check valve spring of dimethyl ether, the fuel-displaced unidirectional valve ball of dimethyl ether, the dimethyl ether oil inlet hole, dimethyl ether in line check valve ball, dimethyl ether in line check valve spring, the supercharged diesel import, the right chamber of charged piston, the charged piston intermediate cavity, charged piston intermediate cavity through hole, the oil sprayer helmet, the oil sprayer pressure regulating screw, the spring for fuel injector seat of honour, the oil sprayer look nut, spring for fuel injector, following of spring for fuel injector, the diesel oil import, the oil sprayer oil back chamber, charged piston, oil injector body diesel oil enters the hole, the fuel-displaced one-way valve upper channel of dimethyl ether, the fuel-displaced one-way valve lower channel of dimethyl ether, dimethyl ether spin slot in the fuel injector needle valve body, diesel oil spin slot in the fuel injector needle valve body, diesel oil passage in the fuel injector needle valve body, charged piston is positioned at oil injector body, the supercharged diesel import communicates with the right chamber of charged piston, the charged piston left is the fuel-displaced one-way valve upper channel of dimethyl ether, and the charged piston intermediate cavity communicates with the oil sprayer oil back chamber by charged piston intermediate cavity through hole.Dimethyl ether in line check valve ball and dimethyl ether in line check valve spring are formed the dimethyl ether in line check valve, be positioned at oil injector body, the dimethyl ether in line check valve is right-hand to communicate with the dimethyl ether oil inlet hole, and dimethyl ether in line check valve left communicates with the fuel-displaced one-way valve upper channel of dimethyl ether.The fuel-displaced unidirectional valve ball of fuel-displaced check valve spring of dimethyl ether and dimethyl ether is formed the fuel-displaced one-way valve of dimethyl ether, be positioned at oil injector body, the fuel-displaced one-way valve of dimethyl ether top communicates with the fuel-displaced one-way valve upper channel of dimethyl ether, and the fuel-displaced one-way valve of dimethyl ether bottom communicates with the fuel-displaced one-way valve lower channel of dimethyl ether.The fuel-displaced one-way valve lower channel of dimethyl ether communicates with the dimethyl ether spray orifice by dimethyl ether passage in dimethyl ether spin slot in the fuel injector needle valve body and the fuel injector needle valve body.The diesel oil import advances in hole, the fuel injector needle valve body by oil injector body diesel oil that the diesel oil passage communicates with the oil sprayer oil holding slot in the diesel oil spin slot and fuel injector needle valve body.Diesel oil spray orifice and dimethyl ether spray orifice are arranged at fuel injector needle valve body bottom, the close fuel injector needle valve axis of diesel oil spray orifice, and diesel oil spray orifice and dimethyl ether spray orifice interlaced arrangement, both angle between spray orifices are identical.Oil-fuel injector needle-valve is positioned at the fuel injector needle valve body, by the tight cap of oil sprayer fuel injector needle valve body and oil injector body is connect.One boss is arranged at oil-fuel injector needle-valve top, connects with the oil sprayer tappet.Following connection of oil sprayer tappet top and spring for fuel injector, spring for fuel injector between following of the spring for fuel injector and the spring for fuel injector seat of honour, they be positioned at the oil sprayer pressure regulating screw below.The oil sprayer pressure regulating screw connects by look nut and oil injector body.The oil sprayer helmet is arranged above the oil sprayer pressure regulating screw, an oil sprayer spill port is arranged on the oil sprayer helmet.
The invention provides a kind of double-layer injection oil sprayer that is used for diesel oil and dimethyl ether, the original diesel oil oil supply system of compression ignition engine both can be used as the oil supply system of diesel oil, can be used as the drive system of dimethyl ether again, two kinds of fuel spray into cylinder by oil sprayer respectively.The present invention makes full use of the parts of original oil supply systems such as oil pump, and dimethyl ether does not need directly to pass through oil pump, and motor is changed few, and supercharged diesel wherein plays lubrication to charged piston.The present invention has substantive distinguishing features and remarkable progress.
Description of drawings
Fig. 1 is the structural representation of system of the present invention.
Among the figure, 1 is the diesel oil spray orifice, 2 is the dimethyl ether spray orifice, 3 is the oil sprayer oil holding slot, 4 is oil-fuel injector needle-valve, 5 is dimethyl ether passage in the fuel injector needle valve body, 6 is the fuel injector needle valve body, 7 is the tight cap of oil sprayer, 8 is the oil sprayer tappet, 9 is oil injector body, 10 is the fuel-displaced check valve spring of dimethyl ether, 11 is the fuel-displaced unidirectional valve ball of dimethyl ether, 12 is the dimethyl ether oil inlet hole, 13 is dimethyl ether in line check valve ball, 14 is dimethyl ether in line check valve spring, 15 is the supercharged diesel import, 16 is the right chamber of charged piston, 17 is the charged piston intermediate cavity, 18 is charged piston intermediate cavity through hole, 19 is the oil sprayer helmet, 20 is the oil sprayer pressure regulating screw, 21 is the spring for fuel injector seat of honour, 22 is the oil sprayer look nut, 23 is spring for fuel injector, 24 are following of spring for fuel injector, 25 is the diesel oil import, 26 is the oil sprayer oil back chamber, 27 is charged piston, 28 enter the hole for oil injector body diesel oil, 29 is the fuel-displaced one-way valve upper channel of dimethyl ether, 30 is the fuel-displaced one-way valve lower channel of dimethyl ether, 31 is dimethyl ether spin slot in the fuel injector needle valve body, 32 is diesel oil spin slot in the fuel injector needle valve body, 33 is diesel oil passage in the fuel injector needle valve body.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1, the present invention mainly comprises: diesel oil spray orifice 1, dimethyl ether spray orifice 2, oil sprayer oil holding slot 3, oil-fuel injector needle-valve 4, dimethyl ether passage 5 in the fuel injector needle valve body, fuel injector needle valve body 6, the tight cap 7 of oil sprayer, oil sprayer tappet 8, oil injector body 9, the fuel-displaced check valve spring 10 of dimethyl ether, the fuel-displaced unidirectional valve ball 11 of dimethyl ether, dimethyl ether oil inlet hole 12, dimethyl ether in line check valve ball 13, dimethyl ether in line check valve spring 14, supercharged diesel import 15, the right chamber 16 of charged piston, charged piston intermediate cavity 17, charged piston intermediate cavity through hole 18, oil sprayer helmet 19, oil sprayer pressure regulating screw 20, the spring for fuel injector seat of honour 21, oil sprayer look nut 22, spring for fuel injector 23, following 24 of spring for fuel injector, diesel oil import 25, oil sprayer oil back chamber 26, charged piston 27, oil injector body diesel oil enters hole 28, the fuel-displaced one-way valve upper channel 29 of dimethyl ether, the fuel-displaced one-way valve lower channel 30 of dimethyl ether, dimethyl ether spin slot 31 in the fuel injector needle valve body, diesel oil spin slot 32 in the fuel injector needle valve body, diesel oil passage 33 in the fuel injector needle valve body, charged piston 27 is positioned at oil injector body 9, supercharged diesel import 15 communicates with the right chamber 16 of charged piston, the charged piston left is the fuel-displaced one-way valve upper channel 29 of dimethyl ether, and charged piston intermediate cavity 17 communicates with oil sprayer oil back chamber 26 by charged piston intermediate cavity through hole 18.Dimethyl ether in line check valve ball 13 and dimethyl ether in line check valve spring 14 are formed the dimethyl ether in line check valve, be positioned at oil injector body 9, the dimethyl ether in line check valve is right-hand to communicate with dimethyl ether oil inlet hole 12, and dimethyl ether in line check valve left communicates with the fuel-displaced one-way valve upper channel 29 of dimethyl ether.The fuel-displaced unidirectional valve ball 11 of fuel-displaced check valve spring 10 of dimethyl ether and dimethyl ether is formed the fuel-displaced one-way valve of dimethyl ether, be positioned at oil injector body 9, the fuel-displaced one-way valve of dimethyl ether top communicates with the fuel-displaced one-way valve upper channel 29 of dimethyl ether, and the fuel-displaced one-way valve of dimethyl ether bottom communicates with the fuel-displaced one-way valve lower channel 30 of dimethyl ether.The fuel-displaced one-way valve lower channel 30 of dimethyl ether communicates with dimethyl ether spray orifice 2 by dimethyl ether passage 5 in dimethyl ether spin slot 31 in the fuel injector needle valve body and the fuel injector needle valve body.Diesel oil import 25 advances in hole 28, the fuel injector needle valve body by oil injector body diesel oil that diesel oil passage 33 communicates with oil sprayer oil holding slot 3 in the diesel oil spin slot 32 and fuel injector needle valve body.Diesel oil spray orifice 1 and dimethyl ether spray orifice 2 are arranged at fuel injector needle valve body 6 bottoms, diesel oil spray orifice 1 close fuel injector needle valve body 6 axis, and diesel oil spray orifice 1 and dimethyl ether spray orifice 2 interlaced arrangement, both angle between spray orifices are identical.Oil-fuel injector needle-valve 4 is positioned at fuel injector needle valve body 6, by the tight cap 7 of oil sprayer fuel injector needle valve body 6 and oil injector body 9 is connect.One boss is arranged at oil-fuel injector needle-valve 4 tops, connects with oil sprayer tappet 8.Following 24 of oil sprayer tappet 8 tops and spring for fuel injector connect, spring for fuel injector 23 between following 24 of the spring for fuel injector and the spring for fuel injector seat of honour 21, they be positioned at oil sprayer pressure regulating screw 20 below.Oil sprayer pressure regulating screw 20 connects by look nut 22 and oil injector body 9.Oil sprayer helmet 19 is arranged above the oil sprayer pressure regulating screw 20.
Dimethyl ether fuel is liquid in the dimethyl ether fuel tank, and pressure is about 5～10 barometric pressure.When oil pump for engine not during fuel feeding, oil-fuel injector needle-valve 4 is under spring for fuel injector 23 pretightening force effects, close diesel oil spray orifice 1, the fuel-displaced unidirectional valve ball 11 of dimethyl ether is under fuel-displaced check valve spring 10 effects of dimethyl ether simultaneously, close the fuel-displaced one-way valve of dimethyl ether, diesel oil and dimethyl ether stop to spray to cylinder.Dimethyl ether in the dimethyl ether fuel tank is pushed the fuel-displaced unidirectional valve ball 11 of dimethyl ether open simultaneously, the fuel-displaced check valve spring 10 of compression dimethyl ether, and dimethyl ether enters the fuel-displaced one-way valve upper channel 29 of dimethyl ether.When the engine oil oil pump feed, on the one hand diesel oil advances hole 28, the fuel injector needle valve body by oil injector body diesel oil from diesel oil import 25 that diesel oil passage 33 enters oil sprayer oil holding slot 3 in the diesel oil spin slot 32 and fuel injector needle valve body, when diesel oil pressure in the oil sprayer oil holding slot 3 is higher than spring for fuel injector 23 pretightening forces, jack-up oil-fuel injector needle-valve 4, diesel oil sprays into cylinder; On the other hand, diesel oil enters the right chamber 16 of charged piston from supercharged diesel import 15, compression charged piston 27, dimethyl ether in the fuel-displaced one-way valve upper channel 29 of charged piston 27 compression dimethyl ether, when the dimethyl ether pressure in the fuel-displaced one-way valve upper channel 29 of dimethyl ether during greater than fuel-displaced check valve spring 10 active forces of dimethyl ether, push the fuel-displaced unidirectional valve ball 11 of dimethyl ether open, dimethyl ether after the supercharging is from the fuel-displaced one-way valve lower channel 30 of the fuel-displaced one-way valve upper channel 29 process dimethyl ether of dimethyl ether, dimethyl ether passage 5 in dimethyl ether spin slot 31 and the fuel injector needle valve body sprays into cylinder from dimethyl ether spray orifice 2 in the fuel injector needle valve body.By the diesel fuel of oil-fuel injector needle-valve 4 and 6 leakages of fuel injector needle valve body, enter oil sprayer oil back chamber 26 through the passage between oil sprayer tappet 8 and the oil injector body 9, flow back to oil pump for engine by the spill port on the oil sprayer helmet; The dimethyl ether that leaks in diesel oil that leaks from the right chamber 16 of charged piston and the fuel-displaced one-way valve upper channel 29 of dimethyl ether enters charged piston intermediate cavity 17 simultaneously, the fuel that leaks enters oil sprayer oil back chamber 26 by charged piston intermediate cavity through hole 18, also flows back to oil pump for engine by the spill port on the oil sprayer helmet.Supercharged diesel wherein plays lubrication to charged piston.
Claims (4)
1. double-layer injection oil sprayer that is used for diesel oil and dimethyl ether, mainly comprise: diesel oil spray orifice (1), dimethyl ether spray orifice (2), oil sprayer oil holding slot (3), oil-fuel injector needle-valve (4), dimethyl ether passage (5) in the fuel injector needle valve body, fuel injector needle valve body (6), the tight cap of oil sprayer (7), oil sprayer tappet (8), oil injector body (9), the fuel-displaced check valve spring of dimethyl ether (10), the fuel-displaced unidirectional valve ball of dimethyl ether (11), dimethyl ether oil inlet hole (12), dimethyl ether in line check valve ball (13), dimethyl ether in line check valve spring (14), supercharged diesel import (15), the right chamber (16) of charged piston, charged piston intermediate cavity (17), charged piston intermediate cavity through hole (18), oil sprayer helmet (19), oil sprayer pressure regulating screw (20), the spring for fuel injector seat of honour (21), oil sprayer look nut (22), spring for fuel injector (23), following of spring for fuel injector (24), diesel oil import (25), oil sprayer oil back chamber (26), charged piston (27), oil injector body diesel oil enters hole (28), the fuel-displaced one-way valve upper channel of dimethyl ether (29), the fuel-displaced one-way valve lower channel of dimethyl ether (30), dimethyl ether spin slot (31) in the fuel injector needle valve body, diesel oil spin slot (32) in the fuel injector needle valve body, diesel oil passage (33) in the fuel injector needle valve body, it is characterized in that: charged piston (27) is positioned at oil injector body (9), supercharged diesel import (15) communicates with the right chamber of charged piston (16), the charged piston left is the fuel-displaced one-way valve upper channel of dimethyl ether (29), and charged piston intermediate cavity (17) communicates with oil sprayer oil back chamber (26) by charged piston intermediate cavity through hole (18).Dimethyl ether in line check valve ball (13) and dimethyl ether in line check valve spring (14) are formed the dimethyl ether in line check valve, be positioned at oil injector body (9), the dimethyl ether in line check valve is right-hand to communicate with dimethyl ether oil inlet hole (12), and dimethyl ether in line check valve left communicates with the fuel-displaced one-way valve upper channel of dimethyl ether (29).The fuel-displaced unidirectional valve ball of fuel-displaced check valve spring of dimethyl ether (10) and dimethyl ether (11) is formed the fuel-displaced one-way valve of dimethyl ether, be positioned at oil injector body (9), the fuel-displaced one-way valve of dimethyl ether top communicates with the fuel-displaced one-way valve upper channel of dimethyl ether (29), and the fuel-displaced one-way valve of dimethyl ether bottom communicates with the fuel-displaced one-way valve lower channel of dimethyl ether (30).The fuel-displaced one-way valve lower channel of dimethyl ether (30) communicates with dimethyl ether spray orifice (2) by dimethyl ether passage (5) in dimethyl ether spin slot (31) and the fuel injector needle valve body in the fuel injector needle valve body.Diesel oil import (25) advances in hole (28), the fuel injector needle valve body by oil injector body diesel oil that diesel oil passage (33) communicates with oil sprayer oil holding slot (3) in the diesel oil spin slot (32) and fuel injector needle valve body.Diesel oil spray orifice (1) and dimethyl ether spray orifice (2) are arranged at fuel injector needle valve body (6) bottom.Oil-fuel injector needle-valve (4) is positioned at fuel injector needle valve body (6), by the tight cap of oil sprayer (7) fuel injector needle valve body (6) and oil injector body (9) is connect.One boss is arranged at oil-fuel injector needle-valve (4) top, connects with oil sprayer tappet (8).Oil sprayer tappet (8) top and spring for fuel injector following (24) connect, and spring for fuel injector (23) is positioned between the spring for fuel injector following (24) and the spring for fuel injector seat of honour (21), they be positioned at oil sprayer pressure regulating screw (20) below.Oil sprayer pressure regulating screw (20) connects by look nut (22) and oil injector body (9).Oil sprayer helmet (19) is arranged above the oil sprayer pressure regulating screw (20).
2. the double-layer injection oil sprayer that is used for diesel oil and dimethyl ether as claimed in claim 1 is characterized in that: the elasticity coefficient of the fuel-displaced check valve spring of dimethyl ether (10) is bigger than the elasticity coefficient of dimethyl ether in line check valve spring (14).
3. the double-layer injection oil sprayer that is used for diesel oil and dimethyl ether as claimed in claim 1 is characterized in that: diesel oil spray orifice (1) is than close fuel injector needle valve body (6) axis of dimethyl ether spray orifice (2).
4. the double-layer injection oil sprayer that is used for diesel oil and dimethyl ether as claimed in claim 1 is characterized in that: diesel oil spray orifice (1) and dimethyl ether spray orifice (2) interlaced arrangement, both angle between spray orifices are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100706005A CN100497928C (en) | 2007-09-04 | 2007-09-04 | Double-layer injection fuel oil injector used for diesel oil and dimethyl ether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100706005A CN100497928C (en) | 2007-09-04 | 2007-09-04 | Double-layer injection fuel oil injector used for diesel oil and dimethyl ether |
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| Publication Number | Publication Date |
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| CN101117931A true CN101117931A (en) | 2008-02-06 |
| CN100497928C CN100497928C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100706005A Expired - Fee Related CN100497928C (en) | 2007-09-04 | 2007-09-04 | Double-layer injection fuel oil injector used for diesel oil and dimethyl ether |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101825033A (en) * | 2010-02-04 | 2010-09-08 | 大连理工大学 | Fuel injecting strategy of ignition chamber type direct injection gasoline machine |
| CN102105673A (en) * | 2008-06-27 | 2011-06-22 | 西港能源有限公司 | Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine |
| CN102418635A (en) * | 2011-12-31 | 2012-04-18 | 中国兵器工业集团第七○研究所 | Electrically-controlled fuel injector |
| CN102947577A (en) * | 2010-06-22 | 2013-02-27 | 斯堪尼亚商用车有限公司 | Injection unit for injection of a first fuel and a second fuel in a combustion space |
| CN106762276A (en) * | 2017-01-05 | 2017-05-31 | 江苏大学 | A kind of new dual fuel injector of cavitation prevention and common rail fuel system |
| CN108131228A (en) * | 2017-12-22 | 2018-06-08 | 湖南大学 | A kind of proportion adjustable alcohol-gasoline double fuel fuel injector |
| CN110905703A (en) * | 2019-11-25 | 2020-03-24 | 一汽解放汽车有限公司 | Dual-fuel injector |
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| CN111535958A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Dual-fuel injector and injection method thereof |
| CN111535957A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Integrated dual-fuel injector and injection method thereof |
| CN111535955A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Quick-response dual-fuel injection valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102105673A (en) * | 2008-06-27 | 2011-06-22 | 西港能源有限公司 | Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine |
| CN102105673B (en) * | 2008-06-27 | 2013-10-09 | 西港能源有限公司 | Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine |
| CN101825033A (en) * | 2010-02-04 | 2010-09-08 | 大连理工大学 | Fuel injecting strategy of ignition chamber type direct injection gasoline machine |
| CN101825033B (en) * | 2010-02-04 | 2013-06-26 | 大连理工大学 | Fuel injecting strategy of ignition chamber type direct injection gasoline machine |
| CN102947577A (en) * | 2010-06-22 | 2013-02-27 | 斯堪尼亚商用车有限公司 | Injection unit for injection of a first fuel and a second fuel in a combustion space |
| CN102947577B (en) * | 2010-06-22 | 2015-02-25 | 斯堪尼亚商用车有限公司 | Injection unit for injection of a first fuel and a second fuel in a combustion space |
| CN102418635A (en) * | 2011-12-31 | 2012-04-18 | 中国兵器工业集团第七○研究所 | Electrically-controlled fuel injector |
| CN106762276A (en) * | 2017-01-05 | 2017-05-31 | 江苏大学 | A kind of new dual fuel injector of cavitation prevention and common rail fuel system |
| CN108131228A (en) * | 2017-12-22 | 2018-06-08 | 湖南大学 | A kind of proportion adjustable alcohol-gasoline double fuel fuel injector |
| CN110905703A (en) * | 2019-11-25 | 2020-03-24 | 一汽解放汽车有限公司 | Dual-fuel injector |
| CN111577497A (en) * | 2020-05-09 | 2020-08-25 | 上海工程技术大学 | Dual-fuel injector |
| CN111535958A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Dual-fuel injector and injection method thereof |
| CN111535957A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Integrated dual-fuel injector and injection method thereof |
| CN111535955A (en) * | 2020-05-29 | 2020-08-14 | 一汽解放汽车有限公司 | Quick-response dual-fuel injection valve |
| CN111535957B (en) * | 2020-05-29 | 2021-04-20 | 一汽解放汽车有限公司 | Integrated dual-fuel injector and injection method thereof |
| CN111535955B (en) * | 2020-05-29 | 2021-04-27 | 一汽解放汽车有限公司 | Quick-response dual-fuel injection valve |
| CN111535958B (en) * | 2020-05-29 | 2021-07-13 | 一汽解放汽车有限公司 | Dual-fuel injector and injection method thereof |
| CN111515866A (en) * | 2020-06-08 | 2020-08-11 | 李森 | Novel hand-held type water sword cutting torch |
| CN111515866B (en) * | 2020-06-08 | 2024-05-03 | 李森 | Novel handheld water jet cutting gun |
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| CN100497928C (en) | 2009-06-10 |
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