CN105756826B - Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device - Google Patents
Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device Download PDFInfo
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- CN105756826B CN105756826B CN201610250406.4A CN201610250406A CN105756826B CN 105756826 B CN105756826 B CN 105756826B CN 201610250406 A CN201610250406 A CN 201610250406A CN 105756826 B CN105756826 B CN 105756826B
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- valve
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- combustion gas
- gas
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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
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
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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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
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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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
- F02M21/026—Lift valves, i.e. stem operated valves
- F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle valves
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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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
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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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
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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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1866—Valve seats or member ends having multiple cones
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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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/44—Valves, e.g. injectors, with valve bodies arranged side-by-side
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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
Abstract
It is an object of the invention to provide combined electromagnetic oil spout to be pressurized electromagnetism jet hybrid fuel jet device, including combustion gas compression portion, dual-coil electromagnetic valve part, control section, crosspointer valve nozzle part and injection apparatus housing.The present invention sprays two kinds of fuel of fuel oil and combustion gas respectively using crosspointer valve nozzle, save space and simplify engine structure, using the course of injection of solenoid valve control fuel oil, using the solenoid valve control fuel gas injection process with supercharging device, by changing two electromagnetic valve work states and job order, injection apparatus, which can be realized, only to be sprayed fuel oil or combustion gas, two kinds of fuel while sprays, the multiple-working mode such as two kinds of fuel sequencings spray.The present invention is pressurized using charged piston to combustion gas, and combustion gas pressurization control and gas puff Z-pinch separate, fuel gas injection process can between supercharging and no charge mode any switching laws, so as to obtain " boot-shaped ", " after first delaying suddenly " jet rule.
Description
Technical field
The present invention relates to a kind of fuel injection device, specifically dual fuel engine fuel injection device.
Background technology
With fossil fuel continuous consumption and engine exhaust regulation it is increasingly strict, be to solve simultaneously using alternative fuel
The energy shortage and the effective means of problem of environmental pollution that certainly development of engine is faced.Natural gas, oil gas etc. are with its resource
The advantages that abundant, cheap, combustion cleaning, big calorific value, turn into the main substitute fuel of current internal combustion engine.
The fuel feeding method of dual fuel engine mainly has two kinds at present：One kind is to be introduced into engine in gaseous fuel
It is mixed with the air of suction before cylinder, then certain quantity of fluid fuel is directly sprayed to the near top dead center of combustion chamber, from
And pilot gas fuel, this mode easily cause combustion knock, in addition in engine low load, the combustion gas of premixing is too
It is thin to be unfavorable for burning.Another way is that combustion gas is injected directly into combustion chamber, same to be touched using the liquid fuel of pilot quantity
Gas fuel combustion is sent out, this mode will not cause engine premature detonation, and fuel burns under diffusion combustion mode, burning
Effect is good, but its there is also it is certain the problem of：First, it is complicated in Modern Engine cylinder head, parts are more, how to arrange
Certain difficulty be present in two injectors, if install in addition two injectors injection double fuels original diesel engine need to be carried out compared with
Big change, increase device processing and assembling complexity.Second, in order to improve oil, gas mixability, generally use supercharging dress
Put and combustion gas is pressurized, to improve fuel gas injection pressure, compared to liquid fuel, combustion gas is pressurized according to high-pressure pump, from pump end
It is higher to pipeline configuration, sealing and intensity requirement to injection apparatus transmitting procedure.Third, injection apparatus will to gas sealing
Ask high, with the motion of needle-valve, combustion gas leaks upwards along pintle nozzle match-ing parts gap, and leakage combustion gas, which enters control chamber, causes fuel gas injection
Pressure and injection rate reduce, and have a strong impact on device job stability.
The content of the invention
It is an object of the invention to provide jet process to switch between supercharging or non pressurized both of which, fuel injection amount
Controllable precise, combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device of jet law flexibility and changeability.
The object of the present invention is achieved like this：
Combined electromagnetic oil spout of the present invention-supercharging electromagnetism jet hybrid fuel jet device, it is characterized in that：Increase including combustion gas
Laminate section, fuel gas injection part, fuel oil spout part, injection apparatus body, electromagnetism valve pocket, needle-valve base, combustion gas compression portion peace
Above injection apparatus body, electromagnetism valve pocket is arranged in injection apparatus body, and needle-valve base is arranged on injection by nozzle cage and filled
Put below body, the needle-valve base includes combustion gas base and fuel oil base；
The combustion gas compression portion includes boost electromagnetic valve, charged piston, charged piston set, intake valve, boost electromagnetic valve
Including boost electromagnetic valve seat, supercharging electromagnet, supercharging armature, boost electromagnetic valve bar, servo oil is set to enter in boost electromagnetic valve seat
Hydraulic fluid port and servo oil drain tap, boost electromagnetic valve bar one end are fixed on supercharging armature by being pressurized locating snap ring, and the other end runs through
Boost electromagnetic valve seat is simultaneously pressed on baffle plate in the presence of the pretightning force for covering boost electromagnetic valve spring thereon, supercharging armature institute
Supercharging armature chamber is formed in position, boost electromagnetic valve spring position forms boost electromagnetic valve spring cavity, boost electromagnetic valve bar
Upper to set the oily band of annular, the oily band of annular realizes servo oil oil inlet with being pressurized the company of armature chamber by the movement of boost electromagnetic valve bar
On-off is opened and the connection or disconnection of servo oil drain tap and boost electromagnetic valve spring cavity；Charged piston is arranged on charged piston
In set, charged piston set is arranged on below boost electromagnetic valve seat, and charged piston upper end covers and be pressurized electromagnetism with charged piston
Servo oil pocket is formed between valve seat, pumping chamber is formed between charged piston bottom and charged piston set, is cased with charged piston
Charged piston spring；Intake valve is check valve, and in charged piston set, charged piston puts setting fuel gas inlet, combustion gas
Entrance connects intake valve, the outlet pumping chamber of intake valve；
The fuel gas injection part include be arranged on electromagnetism valve pocket in control gas electromagnetic valve, combustion gas needle-valve gag lever post with
And the combustion gas needle-valve in combustion gas base, the control gas electromagnetic valve include gas electromagnetic valve body, combustion gas electromagnet, combustion
Sealed base, gas electromagnetic valve spring, gas electromagnetic valve valve rod, combustion under sealed base, combustion gas valve rod on gas armature, combustion gas valve rod
Gas electromagnetic valve body, combustion gas valve rod upper seal support, combustion gas valve rod bottom sealing socket and combustion gas needle-valve gag lever post are arranged from top to bottom, are fired
Gas electromagnetic valve chamber is formed on gas electromagnetic valve body and combustion gas valve rod between sealed base, sealed base and gas valve on combustion gas valve rod
Combustion gas groove cavity is formed under bar between sealed base, combustion gas electromagnet is arranged in gas electromagnetic valve chamber, and combustion gas armature is positioned at combustion
Below pneumoelectric magnet, one end of gas electromagnetic valve valve rod is stuck on combustion gas armature by combustion gas locating snap ring, and the other end runs through combustion gas
Sealed base on combustion gas valve rod below armature, and be engaged with sealed base under combustion gas valve rod, under gas electromagnetic valve valve rod
Combustion gas draining chamber is formed under end and combustion gas valve rod between sealed base, is set and combustion gas valve rod respectively on gas electromagnetic valve valve rod
Sealing cone, combustion under sealing cone and the combustion gas coordinated with sealed base under combustion gas valve rod in the combustion gas that upper sealed base coordinates
Pneumoelectric magnet valve valve rod forms Low Pressure Gas Network oil ring band, gas electromagnetic valve valve rod with the part that sealed base is engaged on combustion gas valve rod
Combustion gas hydraulic oil annulus is formed with sealed base is engaged under combustion gas valve rod part, and combustion is set on sealed base on combustion gas valve rod
The oil duct of gas first and the oil duct of combustion gas the 4th, the oil duct of combustion gas second and the oil duct of combustion gas the 3rd are set on sealed base under combustion gas valve rod,
The oil duct of combustion gas the 5th is set in electromagnetism valve pocket, sets high pressure oil-in, the first low pressure drain tap and second low on injection apparatus body
Press drain tap, the oil duct of combustion gas first connection gas electromagnetic valve chamber and the first low pressure drain tap, the oil duct of combustion gas second connection combustion gas height
Annulus and high pressure oil-in are pressed oil, central oil passage, the oil duct of combustion gas the 3rd connection combustion gas groove cavity are set in combustion gas needle-valve gag lever post
And central oil passage, the oil duct of combustion gas the 4th connection Low Pressure Gas Network oil ring band and gas electromagnetic valve chamber, the connection second of combustion gas draining chamber are low
Drain tap is pressed, combustion gas needle-valve is located at below combustion gas needle-valve gag lever post, and sealing ring is formed respectively between combustion gas needle-valve and combustion gas base
Road and fuel chamber, sealing circuit connect high pressure oil-in by the oil duct of combustion gas the 5th, and fuel chamber passes through the combustion gas in electromagnetism valve pocket
Passage connects pumping chamber, and combustion gas base end sets gas jet orifice；
The fuel oil spout part includes control fuel solenoid valve, fuel piston and the installation being arranged in electromagnetism valve pocket
Fuel pin in fuel oil base, the control fuel solenoid valve include electromagnetic fuel valve body, electromagnetic fuel iron, fuel oil rank
Sealed base, electromagnetic fuel valve spring, fuel solenoid valve valve rod, fuel valve under sealed base, fuel oil valve rod on iron, fuel oil valve rod
Sealed base and fuel piston are arranged from top to bottom under sealed base, fuel oil valve rod on bar, electromagnetic fuel valve body and fuel valve
Electromagnetic fuel valve pocket is formed on bar between sealed base, shape between sealed base under sealed base and fuel oil valve rod on fuel oil valve rod
Into fuel oil groove cavity, electromagnetic fuel iron is arranged in electromagnetic fuel valve pocket, and fuel oil armature is located at below electromagnetic fuel iron, fuel oil electricity
One end of magnet valve valve rod is stuck on fuel oil armature by fuel oil locating snap ring, and the other end is on the fuel oil valve rod below fuel oil armature
Sealed base, set on electromagnetic fuel valve rod electric with sealing cone under the fuel oil that sealed base is engaged under fuel oil valve rod, fuel oil
Magnet valve valve rod and sealed base is engaged under fuel oil valve rod part form fuel oil hydraulic oil annulus, sealed base on fuel oil valve rod
In sealed base passage on the fuel oil valve rod of connection electromagnetic fuel valve pocket and fuel oil groove cavity, electromagnetic fuel valve pocket connection the are set
Fuel oil draining chamber, fuel oil are formed under one low pressure drain tap, fuel solenoid valve valve rod bottom and fuel oil valve rod between sealed base
Draining chamber connects the second low pressure drain tap, and fuel piston upper end is cased with fuel piston set, and fuel piston set is located at fuel oil valve rod
It is lower between sealed base and fuel piston, fuel piston control chamber is formed between fuel piston and fuel piston set above it,
Fuel piston control chamber is communicated with fuel oil hydraulic oil annulus by fuel oil oil duct, and fuel piston spring is cased with fuel piston, combustion
Oil needle valve is located at the lower section of fuel piston, and oil holding slot, oil holding slot connection high pressure fuel are formed between fuel pin and fuel oil base
Entrance.
The present invention can also include：
1st, combustion gas needle-valve upper end is designed with annular step, and combustion gas is formed between injection apparatus body below annular step
Needle control chamber, combustion gas needle-valve gag lever post lower end are enclosed on inside the annular step of combustion gas needle-valve, and combustion gas needle control chamber is with
Heart oil duct communicates.
2nd, when control gas electromagnetic valve is not powered on, gas electromagnetic valve valve rod is pressed in combustion in the presence of gas electromagnetic valve spring
Under air valve stem on sealed base, combustion gas hydraulic oil annulus is closed, Low Pressure Gas Network oil ring band is opened, combustion gas needle control chamber and first
Low pressure drain tap connects；When controlling gas electromagnetic valve energization, gas electromagnetic valve valve rod, which lifts, is pressed in sealed base on combustion gas valve rod
On, Low Pressure Gas Network oil ring band is closed, combustion gas hydraulic oil annulus is opened, and combustion gas needle control chamber connects with high pressure oil-in.
3rd, when control fuel solenoid valve is not powered on, fuel solenoid valve valve rod is pressed in combustion in the presence of electromagnetic fuel valve spring
Under fuel tap bar on sealed base, fuel oil oil duct disconnects with fuel oil groove cavity, when control fuel solenoid valve is powered, fuel solenoid valve valve
Bar lifts, and fuel oil oil duct connects with fuel oil groove cavity.
Advantage of the invention is that：Combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device of the present invention
Two kinds of fuel are sprayed using crosspointer valve nozzle, space is saved and simplifies engine structure, combustion is controlled respectively by two magnetic valves
Oil and the course of injection of combustion gas, when a magnetic valve works independently, injection apparatus only sprays a kind of fuel；Two magnetic valves
When working simultaneously, two kinds of fuel spray simultaneously；When two magnetic valves successively work successively, it is suitable that two kinds of fuel can be achieved
Sequence is sprayed, and injection apparatus can work under pure diesel fuel mode and oil pilot combustion gas pattern, meet engine under different operating modes
To oil, the requirement of gas mixing.In addition, the present apparatus is pressurized using charged piston to combustion gas, pressurization control separates with gas puff Z-pinch, no
It is only capable of realizing jet process any switching laws between supercharging and no charge mode, and can realizes and independently be controlled with beginning of injection
Start time is pressurized, so as to obtain " boot-shaped ", " after first delaying suddenly " jet rule.
The present apparatus also has following beneficial effect simultaneously：The present apparatus controls oily draining oil circuit to flow through electromagnetic valve body top, passes through
Draining circulation takes away heat to reduce magnetic valve portion temperature, ensure that the reliability and stability of electromagnetic valve work.Supercharging is lived
Gas leakage is prevented using long band and big oil pocket between plug and charged piston set couple, improves the steady of air jet system work
It is qualitative；Seal band is designed between combustion gas needle-valve and needle seating, introducing portion control oil can have as sealing oil seal combustion gas
Gas leakage is prevented to effect, while the Seal Oil in the control oil and seal band in control chamber uses same oil, oil pressure phase
Deng control oil being effectively ensured, Seal Oil is without static leakage.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 a are combustion gas compression portion schematic diagram, and Fig. 2 b are boost electromagnetic valve schematic diagram, and Fig. 2 c are intake valve schematic diagram, figure
2d is the schematic diagram of electromagnetism stem position 1, and Fig. 2 e are the schematic diagram of electromagnetism stem position 2；
Fig. 3 a are the dual-coil electromagnetic valve partial schematic diagram of the present invention, and Fig. 3 b are control gas electromagnetic valve schematic diagram, and Fig. 3 c are control
Fuel solenoid valve schematic diagram processed, Fig. 3 d are the schematic diagram of gas electromagnetic valve stem position 1, and Fig. 3 e are gas electromagnetic valve stem position 2
Schematic diagram；
Fig. 4 a are control section schematic diagram, and Fig. 4 b are A-A views；
Fig. 5 a are nozzle segment schematic diagram, and Fig. 5 b are gas nozzle partial schematic diagram, and Fig. 5 c illustrate for fuel nozzle part
Figure.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1~5, combined electromagnetic of the invention oil spout-supercharging electromagnetism jet hybrid fuel jet device mainly by
Combustion gas compression portion 1, dual-coil electromagnetic valve part 2, control section 4, crosspointer valve nozzle part 5 and injection apparatus body 6 form.Injection dress
Put and the first low pressure drain tap 3, high pressure fuel entrance 6, second low pressure drain tap 8 etc. are designed with body 6.Combustion gas compression portion 1 is led
To include boost electromagnetic valve 9, charged piston 10, charged piston spring 11, charged piston to cover 12, intake valve 14, pumping chamber 15, watch
Take oil pocket 17 etc..Dual-coil electromagnetic valve part 2 mainly includes control gas electromagnetic valve 34, control fuel solenoid valve 35, electromagnetism valve pocket 36
Deng, control gas electromagnetic valve 34 and control fuel solenoid valve 35 be installed in electromagnetism valve pocket 36.Control section 4 mainly includes combustion
Air tube valve gag lever post 59, injection apparatus inner cylinder 62, combustion gas needle control chamber 63, fuel piston spring base 64, fuel piston spring
65th, fuel piston 66, fuel piston set 68, fuel piston control chamber 70, each part are arranged in injection apparatus inner cylinder 62, injection
Annular oil groove 69, oil duct 67, oil duct 61 and central airway are designed with device inner cylinder 62.The height flowed into from high pressure fuel entrance 6
Voltage-controlled liquefaction flows through annular oil groove 69 and is divided into two-way, flows into oil duct 61 all the way, then flows into combustion gas needle control chamber 63 and control
The hydraulic oil annulus 48 of gas electromagnetic valve 34；Another way flows into oil duct 67, then flows into fuel piston control chamber 70 and oil holding slot 84.
Crosspointer valve nozzle part 5 mainly includes gas nozzle 71, fuel nozzle 72, needle-valve base 73, sealing ring 74, nozzle cage 75 etc.,
Gas nozzle 71 and fuel nozzle 72 share a needle-valve base 73.Gas nozzle 71 is by combustion gas needle valve spring 76, combustion gas needle-valve
77th, fuel chamber 79, gas jet orifice 80, seal band 82 form.The upper end of combustion gas needle-valve 77 is designed with annular step, in annular
Below step, combustion gas needle control chamber 63 is formed between combustion gas needle-valve 77 and injection apparatus body 6.Combustion gas needle-valve 77 and combustion gas needle-valve
Gag lever post 59 is co-axially mounted, and control oil enters combustion gas needle control chamber by the central oil passage 60 on combustion gas needle-valve gag lever post 59
63.Seal band 82 is designed between combustion gas needle-valve 77 and needle-valve base 73, passes through the introducing portion of oil duct 78 on needle-valve base 73
Sub-control liquefaction is to seal band 82.
Boost electromagnetic valve 9 is by solenoid valve seat 19, magnetic valve spring 20, electromagnetism valve rod 22, spring washer 23, baffle plate 24, rank
Iron 25, electromagnetic valve body 26, locating snap ring 27, coil 28, electromagnet 29 etc. form.The oily band of annular is wherein designed with electromagnetism valve rod 22
21, servo oil oil inlet 30, servo oil drain tap 18 and fuel gas inlet 13 are designed with solenoid valve seat 19.Magnetic valve 9 is not powered on
When, the oily band 21 of annular connects drain tap 18 and servo oil pocket 17 by oil duct；When magnetic valve 9 is powered, the oily connection of band 21 of annular is watched
Take oily oil inlet 30 and servo oil pocket 17.Intake valve 14 is check valve, on charged piston set 12, mainly including intake valve
Seat 31, inlet valve spring 32, inlet valve spindle 33 etc.
Control gas electromagnetic valve 34 on electromagnetic valve body 37, electromagnet 38, coil 39, armature 40, valve rod mainly including sealing
Sealed base 45, locating snap ring 53 etc. under base 42, magnetic valve spring 43, magnetic valve valve rod 44, valve rod.Set on magnetic valve valve rod 44
In respect of two sealing cones, and hydraulic oil annulus 48 and low pressure oil annulus 50 are designed with, when control gas electromagnetic valve 34 is not powered on,
Magnetic valve valve rod 44 is pressed in the presence of magnetic valve spring 43 under valve rod on sealed base 45, and hydraulic oil annulus 48 is closed, be low
Force feed annulus 50 is opened；When controlling the energization of gas electromagnetic valve 34, magnetic valve valve rod 44, which lifts, to be pressed on valve rod on sealed base 42,
Low pressure oil annulus 50 is closed, hydraulic oil annulus 48 is opened.
Combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device of the present invention is mainly by combustion gas compression portion
1st, dual-coil electromagnetic valve part 2, control section 4, crosspointer valve nozzle part 5 and injection apparatus body 6 form.Have on injection apparatus body 6
One low pressure drain tap 3, the low pressure drain tap 8 of high pressure fuel entrance 6 and second, fuel gas inlet 13 is designed with combustion gas compression portion 1.
Combustion gas compression portion 1 is located at the top of injection apparatus body 6, therebetween using threaded connection.Combustion gas compression portion 1 is led
To include boost electromagnetic valve 9, charged piston 10, charged piston spring 11, charged piston to cover 12, intake valve 14, pumping chamber 15, watch
Take oil pocket 17 etc..Wherein, boost electromagnetic valve 9 is by solenoid valve seat 19, magnetic valve spring 20, electromagnetism valve rod 22, spring washer 23, gear
Plate 24, armature 25, electromagnetic valve body 26, locating snap ring 27, coil 28, electromagnet 29 etc. form.Intake valve 14 is check valve, is arranged on
On charged piston set 12, mainly include inlet valve seat 31, inlet valve spring 32, inlet valve spindle 33 etc..The electricity of boost electromagnetic valve 9
The oily band 21 of annular is designed with magnet valve bar 22, servo oil oil inlet 30, the and of servo oil drain tap 18 are designed with solenoid valve seat 19
Fuel gas inlet 13.The one end of magnetic valve valve rod 22 is fixed on magnetic valve armature 25 by locating snap ring 27, can be with armature 25
Side-to-side movement, the other end run through solenoid valve seat 19, are pressed in the presence of the pretightning force of magnetic valve spring 20 on baffle plate 24.Magnetic valve
Seat 19 can play position-limiting action to the lift of electromagnetism valve rod 22, and be designed with oil duct thereon, being capable of leader servo oil stream warp
Magnetic valve 9, play a part of cooling down magnetic valve 9 and reduce the shock and vibration of magnetic valve armature 25 and the side-to-side movement of valve rod 22.
Servo oil pocket 17 is formed above the major part of charged piston 10 between compression face and piston bush 12, solenoid valve seat 19, charged piston 10 is small
Pumping chamber 15 is formed between head lower section compression face and piston bush 12.Intake valve 14 back-moving spring, 32 pretightning forces are smaller, Opening pressure
Low, when combustion gas enters intake valve 14, valve rod 33 is opened under combustion gas effect, and combustion gas enters pumping chamber 15；When charged piston 10
Descending, when gaseous-pressure raises in pumping chamber 15, intake valve 14 is closed.Charged piston 10 and charged piston set 12 are accurate a pair
Couple, fit clearance is small and contact length is big, can effectively prevent from altering in the combustion gas in pumping chamber 15, and prevent in servo oil pocket 17
Fuel leakage；Between the groove of the major part of charged piston 10 and piston bush 12 formed a big cavity 16, even if having Some gases,
Fuel leakage enters cavity 16, hinders it further to interpenetrate in intracavitary oil, gas hybrid energy, what the surface of charged piston 10 was formed
Oil film is in dynamic balance state during piston movement, can further prevent gas leakage.
Dual-coil electromagnetic valve part 2 is located in the injection apparatus body 6 of the lower section of combustion gas compression portion 1, main to include control combustion gas electricity
Magnet valve 34, control fuel solenoid valve 35, electromagnetism valve pocket 36 etc., control gas electromagnetic valve 34 and control fuel solenoid valve 35 are fixed
Position, in electromagnetism valve pocket 36.Gas electromagnetic valve 34 is controlled mainly to include electromagnetic valve body 37, electromagnet 38, coil 39, armature
40th, sealed base 45, locating snap ring 53 etc. under sealed base 42, magnetic valve spring 43, magnetic valve valve rod 44, valve rod on valve rod.Electricity
Form electromagnetism valve pocket 52 on magnet valve body 37 and valve rod between sealed base 42, sealed base under sealed base 42 and valve rod on valve rod
Groove cavity 49 is formed between 45.Electromagnet 38 is arranged in the electromagnetism valve pocket 52 of electromagnetic valve body 37, and armature 40 is located at electromagnet 38
Lower section, one end of magnetic valve valve rod 44 are stuck on armature 40 by locating snap ring 53, and the other end is on the valve rod of the lower section of armature 40
Sealed base 42, it is pressed under valve rod on sealed base 45.Two sealing cones are designed with magnetic valve valve rod 44, and are designed with height
Annulus 48 and low pressure oil annulus 50 are pressed oil, when control gas electromagnetic valve 34 is not powered on, magnetic valve valve rod 44 is in magnetic valve spring 43
In the presence of be pressed under valve rod on sealed base 45, hydraulic oil annulus 48 is closed, low pressure oil annulus 50 is opened, such as Fig. 3 (d) institutes
Show, now combustion gas needle control chamber 63 connects with the first low pressure drain tap 3；When controlling the energization of gas electromagnetic valve 34, magnetic valve valve
Bar 44, which lifts, to be pressed on valve rod on sealed base 42, and low pressure oil annulus 50 is closed, hydraulic oil annulus 48 is opened, such as Fig. 3 (e) institutes
Show, now combustion gas needle control chamber 63 connects with high pressure oil-in 7.Oil duct 41 and oil duct are designed with valve rod on sealed base 42
51, oil duct 51 connects low pressure oil annulus 50 and electromagnetism valve pocket 52, and oil duct 41 connects electromagnetism valve pocket 52 and the first low pressure drain tap 3.
Oil duct 46 and oil duct 47 are designed under valve rod on sealed base 45, oil duct 46 connects hydraulic oil annulus 48 and high pressure oil-in 7, oil duct
The central oil passage 60 of 47 communication groove chambers 49 and combustion gas needle-valve gag lever post 59.Present apparatus draining oil circuit flows through magnetic valve, in fuel oil
Dual-coil electromagnetic valve heat is taken away under mobilization, plays a part of cooling down magnetic valve, and reduce rushing for magnetic valve armature up and down motion
Hit and vibrate, so as to improve the stability of dual-coil electromagnetic valve work.Control fuel solenoid valve 35 control valve rod on only one it is close
The conical surface and a hydraulic oil annulus 57 are sealed, when control fuel solenoid valve 35 is not powered on, it controls valve rod to be pressed in valve stem seal base
On, close hydraulic oil annulus 57.Control section 4 is located in the injection apparatus body 6 of the lower section of dual-coil electromagnetic valve part 2, main to include spray
Injection device inner cylinder 62, combustion gas needle control chamber 63, fuel piston spring base 64, fuel piston spring 65, fuel piston 66, fuel oil
Piston bush 68, fuel piston control chamber 70.Each part of control section 4 is arranged in injection apparatus inner cylinder 62, in injection apparatus
Annular oil groove 69, oil duct 67, oil duct 61 and central airway are designed with cylinder 62, shown in the top view of annular oil groove 69 such as Fig. 4 (b).
The high voltage control oil stream flowed into from high pressure fuel entrance 6 is divided into two-way through annular oil groove 69, flows into oil duct 61 all the way, then flow into
The hydraulic oil seal band 48 of combustion gas needle control chamber 63 and control gas electromagnetic valve 34；Another way flows into oil duct 67, then flows into
Fuel piston control chamber 70 and oil holding slot 84.Crosspointer valve nozzle part 5 is located at the lower section of injection apparatus body 6, mainly including gas injection
Mouth 71, fuel nozzle 72, needle-valve base 73, sealing ring 74, nozzle cage 75 etc., gas nozzle 71 and fuel nozzle 72 share one
Needle-valve base 73.Gas inlet passage and air inlet duct are provided among needle-valve base 73, and both sides are provided with oil-feed tank and oil input channel.In
Between air flue high-pressure gas is introduced into fuel chamber 79 to meet injection apparatus air inlet requirement, high pressure fuel is introduced and contains oil by side oil duct
For groove 84 to meet injection apparatus oil-feed requirement, fuel oil introducing seal band 82 in part is sealed combustion gas by opposite side oil duct.Gas injection
Mouth 71 is made up of combustion gas needle valve spring 76, combustion gas needle-valve 77, fuel chamber 79, gas jet orifice 80, seal band 82.Combustion gas needle-valve 77
Upper end is designed with annular step, and below annular step, combustion gas needle-valve is formed between combustion gas needle-valve 77 and injection apparatus body 6
Control chamber 63.Combustion gas needle-valve 77 and combustion gas needle-valve gag lever post 59 are co-axially mounted, and control oil is by combustion gas needle-valve gag lever post 59
Central oil passage 60 enters combustion gas needle control chamber 63.Combustion gas needle-valve 77 is pressed in pin under the pretightning force effect of combustion gas needle valve spring 76
Gas jet orifice 80 is closed on valve base 73.Combustion gas passes sequentially through electromagnetism valve pocket 36, injection from the pumping chamber 15 of combustion gas compression portion 1
Central airway on device inner cylinder 62, then fuel chamber 79 is entered by the air flue 81 on needle-valve base 73.Above fuel chamber 79, combustion
Seal band 82 is designed between air tube valve 77 and needle-valve base 73, is controlled by the introducing portion of oil duct 78 on needle-valve base 73
Oil seals combustion gas to seal band 82.Fuel nozzle 72 mainly includes fuel pin 83, oil holding slot 84, fuel oil spray orifice 85, fuel oil
Needle-valve 83 is pressed on needle-valve base 73 by fuel piston spring base 64 and closes fuel oil spray orifice 85.Nozzle cage 75 and injection apparatus body 6
Between using be threadedly coupled and be designed with sealing ring 74, prevent the combustion gas of high temperature in cylinder, high pressure from entering injection apparatus crosspointer valve
Nozzle segment.
The gas nozzle injection combustion of combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device of the present invention
Gas, during combustion gas needle-valve is lifted and taken a seat, combustion gas easily leaks upwards with the motion of valve rod, and the combustion gas of leakage enters combustion
During gas needle control chamber 63, because the compressibility of combustion gas can have a strong impact on its jet characteristic.In order to solve this problem, the present invention
Combined type hybrid fuel jet device seal band 82 is provided between combustion gas needle-valve 77 and needle-valve base 73, drawn by oil duct
Enter part control oil seal combustion gas, can effectively prevent gas leakage.In addition, the control in combustion gas needle control chamber 63 is oily and close
Seal Oil in seal ring band 82 uses same oil, and oil pressure is equal up and down for needle-valve, and control oil, Seal Oil can be effectively ensured without static state
Leakage.
When engine works, control unit gathers the input signal of sensor, driving boost electromagnetic valve 9, control combustion gas electricity
Magnet valve 34 and control fuel solenoid valve 35 work, so as to control combustion gas supercharging, the jet of gas nozzle 71 and fuel nozzle 72 respectively
Oil spout.When magnetic valve 9 powers off, magnetic valve valve rod 22 is withstood in the presence of magnetic valve spring 20 on right-hand apron 24, now,
The oily band 21 of annular connects drain tap 19 and servo oil pocket 17, and as shown in Fig. 2 (d), servo oil stream is let out to low pressure in servo oil pocket 17
Hydraulic fluid port 19, the pressure of servo oil pocket 17 reduce, and charged piston 10 is up in the presence of back-moving spring 11, gas pressure in pumping chamber 15
Power declines, and inlet valve spindle 33 is opened on the combustion gas top that intake valve 14 is entered from fuel gas inlet 13, and supercharging device starts air inlet；Magnetic valve
During 9 energization, electromagnet 29 attracts armature 25, and armature 25 is with moving electromagnetic valve valve rod 22 to left movement, and now, the oily band 21 of annular connects
Servo oil-in 30 and servo oil pocket 17, as shown in Fig. 2 (e), servo oil enters servo oil pocket 17, in servo oil pocket 17 pressure by
Edged up height, and promotion charged piston 10 is descending, and pressure just starts to raise in pumping chamber 15, and intake valve 14 is closed, charged piston 10
Continue traveling downwardly and combustion gas in pumping chamber 15 is pressurized.Combustion gas enters the fuel chamber 81 of gas nozzle 72 by air flue in pumping chamber 15
It is interior.When controlling the energization of gas electromagnetic valve 34, electromagnetism valve rod 44 is lifted, and hydraulic oil annulus 48 is opened, low pressure oil annulus 50 is closed, high
Force feed flows through hydraulic oil annulus 48, groove cavity 49, the central oil passage 60 of combustion gas needle-valve gag lever post 59 successively, flows into combustion gas needle-valve control
Chamber 63 processed, combustion gas needle-valve 77 are lifted rapidly under the oil effect of the inner high voltage of combustion gas needle control chamber 63, and gas jet orifice 80 is opened, combustion gas
Nozzle 71 starts jet；When controlling the power-off of gas electromagnetic valve 34, electromagnetism valve rod 44 is pressed in valve rod under the effect of magnetic valve spring 43
On lower sealed base 45, hydraulic oil annulus 48 is turned off, low pressure oil annulus 50 is opened, and the inner high voltage oil of combustion gas needle control chamber 63 passes through
Oil duct flows through groove cavity 49 and electromagnetism valve pocket 52 successively, then flows to the first low pressure drain tap 3, combustion gas needle control chamber from oil duct 41
Oil pressure is reduced in 63, and combustion gas needle-valve 77 is pressed on needle-valve base 73 under the effect of combustion gas needle valve spring 76, closes gas jet orifice 80,
Gas nozzle 71 stops jet.When controlling the power-off of fuel solenoid valve 35, the fuel regulator valve in the presence of fuel regulator valve spring
Bar is pressed on control valve seat, and shut-off hydraulic oil annulus 57, fuel piston control chamber 70 is equal with oil pressure in oil holding slot 84, fuel oil pin
Valve 83 is pressed on needle-valve base 73 by fuel piston spring base 64 under the effect of fuel piston spring 65 and closes fuel oil spray orifice 85,
The not oil spout of fuel nozzle 72；When controlling the energization of fuel solenoid valve 35, fuel solenoid valve valve rod is lifted, and hydraulic oil annulus 34 is opened,
The inner high voltage oil of fuel piston control chamber 70 flows through fuel oil groove cavity, electromagnetic fuel valve pocket by oil duct successively, then is flowed from oil duct 34
To the first low pressure drain tap 3, oil pressure declines in fuel piston control chamber 70, and fuel pin 83, which lifts rapidly, opens fuel oil spray orifice
85, the commencement of fuel injection of fuel nozzle 72.The operating mode according to residing for engine, control boost electromagnetic valve 9, control gas electromagnetic valve may be selected
34 and control fuel solenoid valve 35 working condition and job order, realize it is a variety of oil, gas blowout emission modes.
From the above-mentioned course of work, combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device is using double
Pin valve nozzle spray fuel, save space and simplify engine structure, control the combustion of two nozzles respectively by two magnetic valves
Expect course of injection, when only one electromagnetic valve work, injection apparatus only sprays fuel oil or combustion gas；Two magnetic valves work simultaneously
When, combustion gas and fuel oil spray simultaneously；When two magnetic valves successively act, two kinds of fuel sequencing injections.Combustion gas
Course of injection can be pressurized any switching laws between non pressurized both of which, and whiff pressure is adjustable, and fuel injection rule is flexible, starts
Machine can flexibly switch under pure diesel oil mode of operation or oil pilot combustion gas mode of operation, meet engine under different operating modes
Oil, gas mixing demand.Compression portion increases oil pocket using the long band of couple prevents gas leakage, and nozzle segment uses fuel oil close
Envelope combustion gas can effectively prevent gas leakage, and control oil and Seal Oil can effectively prevent control chamber and sealing ring using same oil
The fuel oil static leakage of band.Therefore, the present invention can make engine meet increasingly strict emission regulation demands, effectively improve
Its dynamic property, economy and reliability.
Combined electromagnetic oil spout of the present invention-supercharging electromagnetism jet hybrid fuel jet device, including it is combustion gas compression portion, double
Electromagnetism valve portion, control section, crosspointer valve nozzle part and injection apparatus housing.There is a high pressure fuel on injection apparatus housing
Entrance, two low pressure drain taps, fuel gas inlet are designed in compression portion.Compression portion mainly includes control boost electromagnetic valve, increased
Press piston, charged piston set, piston reset spring, intake valve etc..Dual-coil electromagnetic valve part mainly include control fuel solenoid valve and
Gas electromagnetic valve is controlled, two magnetic valve mounting means are identical, are installed in the electromagnetism valve pocket in injection apparatus body.Control unit
Dividing mainly includes injection apparatus inner cylinder, combustion gas needle-valve gag lever post, combustion gas needle valve spring, combustion gas needle control chamber, fuel piston bullet
Spring abutment, fuel piston spring, fuel piston, fuel piston set, fuel piston control chamber etc., each part positions, installed in spray
In injection device inner cylinder.Crosspointer valve nozzle part mainly includes gas nozzle, fuel nozzle, needle-valve base, sealing ring, nozzle cage
Deng gas nozzle and the shared needle-valve base of fuel nozzle.
Combustion gas compression portion magnetic valve include electromagnetic valve body, electromagnet, coil, magnetic valve valve rod, solenoid valve seat, armature,
Locating snap ring, magnetic valve spring, baffle plate etc..Coil and electromagnet are arranged in electromagnetic valve body, and armature is located at electromagnet right, electromagnetism
One end of valve valve rod is stuck on armature by locating snap ring, and the other end is pressed on baffle plate under spring force.Set on solenoid valve seat
In respect of servo oil-in and drain tap, the oily band of annular is designed with magnetic valve valve rod, during solenoid valves, valve rod is moved to the left,
Annular oil band connection servo oil-in and servo oil pocket, servo oil enter servo oil pocket；When magnetic valve powers off, magnetic valve valve rod top
On right-hand apron, annular oil band connection servo oil pocket and drain tap, servo oil stream is to low pressure drain tap.
Control gas electromagnetic valve on electromagnet, electromagnet, coil, armature, magnetic valve valve rod, valve rod mainly including sealing bottom
Sealed base, magnetic valve spring, locating snap ring etc. under seat, valve rod.On electromagnetic valve body and valve rod magnetic valve is formed between sealed base
Chamber, groove cavity is formed between sealed base under sealed base and valve rod on valve rod.Electromagnet is arranged in electromagnetism valve pocket, armature position
Below electromagnet, its one end is stuck on armature by locating snap ring, other end sealed base on the valve rod below armature, pressure
Under valve rod on sealed base.Sealed base is designed with two oil ducts, an oil duct communication groove chamber and electromagnetism valve pocket on valve rod,
Another oil duct connection electromagnetism valve pocket and the first low pressure drain tap, draining oil circuit flow through electromagnetic valve body.Sealed base is set under valve rod
In respect of two oil ducts, an oil duct connection hydraulic oil annulus and combustion gas needle control chamber, another oil duct connect magnetic valve valve rod
Lower section oil pocket and the second low pressure drain tap.
Two oily bands of annular, lower endless oil band logical oil channel connection hydraulic oil are designed with control gas electromagnetic valve valve rod
Entrance, upper annular oil band logical oil channel connection low pressure drain tap.
Be designed with two sealing cones on control gas electromagnetic valve valve rod, upper sealing cone sealing low pressure oil ring band, under it is close
Seal conical surface seal hydraulic oil annulus.Magnetic valve valve rod is taken a seat, and high-pressure oil passage is turned off, combustion gas needle control chamber connection low pressure oil
Road；Magnetic valve valve rod lifts, low pressure oil way shut-off, combustion gas needle control chamber connection high-pressure oil passage.
Fuel solenoid valve is controlled mainly to include electromagnet, electromagnet, coil, armature, magnetic valve valve rod, valve stem seal bottom
Seat, magnetic valve spring seat, magnetic valve spring, locating snap ring etc..Electromagnetism valve pocket, electricity are formed between electromagnetic valve body and magnetic valve spring seat
Groove cavity is formed between magnet valve spring base and valve stem seal base.Electromagnet is arranged in electromagnetism valve pocket, and armature is located at electromagnet
Lower section, hydraulic oil annulus is designed with magnetic valve valve rod, its one end is stuck on armature by locating snap ring, and the other end runs through under armature
The magnetic valve spring seat of side, is pressed on valve stem seal base, closes hydraulic oil annulus.Two oil are designed with magnetic valve spring seat
Road, an oil duct communication groove chamber and electromagnetism valve pocket, an oil duct connection electromagnetism valve pocket and the first low pressure drain tap, draining oil circuit
Flow through electromagnetic valve body.Two oil ducts, an oil duct connection hydraulic oil annulus and fuel piston control are designed with valve stem seal base
Chamber processed, an oil duct connection magnetic valve valve rod lower section oil pocket and the second low pressure drain tap.
Control section combustion gas needle-valve upper end is designed with annular step, below annular step needle-valve and injection apparatus body it
Between form combustion gas needle control chamber, combustion gas needle-valve gag lever post lower end is enclosed on inside the annular step of combustion gas needle-valve, combustion gas needle-valve
Gag lever post and combustion gas needle-valve set central oil passage along axis, and combustion gas needle control chamber is communicated by oil duct and magnetic valve groove cavity.
Gas nozzle and fuel nozzle share a high pressure fuel entrance, are set between injection apparatus body and injection apparatus inner cylinder
In respect of annular oil groove, connection fuel oil, the oil duct of gas nozzle and high pressure oil-in.Hydraulic oil is divided into two-way into annular oil groove,
Hydraulic oil flows into the oil holding slot of fuel piston control chamber and fuel nozzle by oil duct all the way；Another way hydraulic oil passes through oil duct stream
Enter the hydraulic oil annulus of gas electromagnetic valve and the seal band of gas nozzle.
Above the fuel chamber of gas nozzle, annular sealing strip, needle-valve bottom are designed between combustion gas needle-valve and needle-valve base
Annular oil groove and oil duct are provided with seat, controls oil to introduce annular sealing strip part.
Claims (5)
1. combined electromagnetic oil spout-supercharging electromagnetism jet hybrid fuel jet device, it is characterized in that：Including combustion gas compression portion,
Fuel gas injection part, fuel oil spout part, injection apparatus body, electromagnetism valve pocket, needle-valve base, combustion gas compression portion are arranged on injection
Above apparatus body, electromagnetism valve pocket is arranged in injection apparatus body, and needle-valve base is arranged on below injection apparatus body by nozzle cage,
The needle-valve base includes combustion gas base and fuel oil base；
The combustion gas compression portion includes boost electromagnetic valve, charged piston, charged piston set, intake valve, and boost electromagnetic valve includes
Boost electromagnetic valve seat, supercharging electromagnet, armature, boost electromagnetic valve bar are pressurized, servo oil oil inlet is set in boost electromagnetic valve seat
With servo oil drain tap, boost electromagnetic valve bar one end is fixed on supercharging armature by being pressurized locating snap ring, and the other end is through supercharging
Solenoid valve seat is simultaneously pressed on baffle plate in the presence of the pretightning force for covering boost electromagnetic valve spring thereon, and supercharging armature institute is in place
Put to form supercharging armature chamber, boost electromagnetic valve spring position forms boost electromagnetic valve spring cavity, sets on boost electromagnetic valve bar
Put the oily band of annular, the oily band of annular by the movement of boost electromagnetic valve bar realize servo oil oil inlet be pressurized armature chamber connection or
Disconnection and the connection or disconnection of servo oil drain tap and boost electromagnetic valve spring cavity；Charged piston is arranged on charged piston set
In, charged piston set is arranged on below boost electromagnetic valve seat, and charged piston upper end is covered with charged piston and boost electromagnetic valve
Servo oil pocket is formed between seat, pumping chamber is formed between charged piston bottom and charged piston set, is cased with increasing on charged piston
Press piston spring；Intake valve is check valve, and in charged piston set, charged piston puts setting fuel gas inlet, and combustion gas enters
Mouth connection intake valve, the outlet pumping chamber of intake valve；
The fuel gas injection part includes control gas electromagnetic valve, combustion gas needle-valve gag lever post and the peace being arranged in electromagnetism valve pocket
Combustion gas needle-valve in combustion gas base, the control gas electromagnetic valve include gas electromagnetic valve body, combustion gas electromagnet, combustion gas rank
Sealed base, gas electromagnetic valve spring, gas electromagnetic valve valve rod, combustion gas are electric under sealed base, combustion gas valve rod on iron, combustion gas valve rod
Magnet valve body, combustion gas valve rod upper seal support, combustion gas valve rod bottom sealing socket and combustion gas needle-valve gag lever post arrange that combustion gas is electric from top to bottom
Gas electromagnetic valve chamber is formed on magnet valve body and combustion gas valve rod between sealed base, on combustion gas valve rod under sealed base and combustion gas valve rod
Combustion gas groove cavity is formed between sealed base, combustion gas electromagnet is arranged in gas electromagnetic valve chamber, and combustion gas armature is located at combustion gas electricity
Below magnet, one end of gas electromagnetic valve valve rod is stuck on combustion gas armature by combustion gas locating snap ring, and the other end runs through combustion gas armature
Sealed base on the combustion gas valve rod of lower section, and be engaged with sealed base under combustion gas valve rod, the bottom of gas electromagnetic valve valve rod
Combustion gas draining chamber is formed between sealed base under combustion gas valve rod, set respectively on gas electromagnetic valve valve rod with it is close on combustion gas valve rod
Seal base engagement combustion gas on sealing cone and with combustion gas valve rod sealed base coordinate combustion gas under sealing cone, combustion gas electricity
Magnet valve valve rod forms Low Pressure Gas Network oil ring band, gas electromagnetic valve valve rod and combustion with the part that sealed base is engaged on combustion gas valve rod
Sealed base is engaged under air valve stem part forms combustion gas hydraulic oil annulus, sets combustion gas the on combustion gas valve rod on sealed base
One oil duct and the oil duct of combustion gas the 4th, the oil duct of combustion gas second and the oil duct of combustion gas the 3rd, electromagnetism are set on sealed base under combustion gas valve rod
The oil duct of combustion gas the 5th is set in valve pocket, sets high pressure oil-in, the first low pressure drain tap and the second low pressure to let out on injection apparatus body
Hydraulic fluid port, the oil duct of combustion gas first connection gas electromagnetic valve chamber and the first low pressure drain tap, the oil duct of combustion gas second connection combustion gas hydraulic oil
Annulus and high pressure oil-in, set central oil passage in combustion gas needle-valve gag lever post, the oil duct of combustion gas the 3rd connection combustion gas groove cavity and in
Heart oil duct, the oil duct of combustion gas the 4th connection Low Pressure Gas Network oil ring band and gas electromagnetic valve chamber, combustion gas draining chamber connect the second low pressure and let out
Hydraulic fluid port, combustion gas needle-valve are located at below combustion gas needle-valve gag lever post, formed respectively between combustion gas needle-valve and combustion gas base sealing circuit and
Fuel chamber, sealing circuit connect high pressure oil-in by the oil duct of combustion gas the 5th, and fuel chamber passes through the blast tube in electromagnetism valve pocket
Pumping chamber is connected, combustion gas base end sets gas jet orifice；
The fuel oil spout part is including the control fuel solenoid valve in electromagnetism valve pocket, fuel piston and installed in combustion
Fuel pin in oily base, the control fuel solenoid valve include electromagnetic fuel valve body, electromagnetic fuel iron, fuel oil armature, combustion
Sealed base, electromagnetic fuel valve spring, fuel solenoid valve valve rod under sealed base, fuel oil valve rod on fuel tap bar, on fuel oil valve rod
Sealed base and fuel piston are arranged from top to bottom under sealed base, fuel oil valve rod, on electromagnetic fuel valve body and fuel oil valve rod
Electromagnetic fuel valve pocket is formed between sealed base, forms combustion between sealed base under sealed base and fuel oil valve rod on fuel oil valve rod
Oily groove cavity, electromagnetic fuel iron are arranged in electromagnetic fuel valve pocket, and fuel oil armature is located at below electromagnetic fuel iron, fuel solenoid valve
One end of valve rod is stuck on fuel oil armature by fuel oil locating snap ring, and the other end seals on the fuel oil valve rod below fuel oil armature
Base, is set on electromagnetic fuel valve rod and sealing cone, fuel solenoid valve under the fuel oil that sealed base is engaged under fuel oil valve rod
Valve rod and sealed base is engaged under fuel oil valve rod part form fuel oil hydraulic oil annulus, are set on fuel oil valve rod in sealed base
Sealed base passage on the fuel oil valve rod of connection electromagnetic fuel valve pocket and fuel oil groove cavity is put, the connection first of electromagnetic fuel valve pocket is low
Drain tap is pressed, forms fuel oil draining chamber, fuel oil draining under fuel solenoid valve valve rod bottom and fuel oil valve rod between sealed base
Chamber connects the second low pressure drain tap, and fuel piston upper end is cased with fuel piston set, and fuel piston set is located at close under fuel oil valve rod
Between back cover seat and fuel piston, fuel piston and above it fuel piston set between formed fuel piston control chamber, fuel oil
Piston control chamber is communicated with fuel oil hydraulic oil annulus by fuel oil oil duct, and fuel piston spring, fuel oil pin are cased with fuel piston
Valve is located at the lower section of fuel piston, and oil holding slot, oil holding slot connection high pressure fuel entrance are formed between fuel pin and fuel oil base.
2. combined electromagnetic oil spout according to claim 1-supercharging electromagnetism jet hybrid fuel jet device, its feature
It is：Combustion gas needle-valve upper end is designed with annular step, and combustion gas needle-valve control is formed between injection apparatus body below annular step
Chamber processed, combustion gas needle-valve gag lever post lower end are enclosed on inside the annular step of combustion gas needle-valve, combustion gas needle control chamber and central oil passage
Communicate.
3. combined electromagnetic oil spout according to claim 1 or 2-supercharging electromagnetism jet hybrid fuel jet device, it is special
Sign is：When control gas electromagnetic valve is not powered on, gas electromagnetic valve valve rod is pressed in gas valve in the presence of gas electromagnetic valve spring
Under bar on sealed base, combustion gas hydraulic oil annulus is closed, Low Pressure Gas Network oil ring band is opened, combustion gas needle control chamber and the first low pressure
Drain tap connects；When controlling gas electromagnetic valve energization, gas electromagnetic valve valve rod, which lifts, to be pressed on combustion gas valve rod on sealed base, combustion
Gas low pressure oil annulus is closed, combustion gas hydraulic oil annulus is opened, and combustion gas needle control chamber connects with high pressure oil-in.
4. combined electromagnetic oil spout according to claim 1 or 2-supercharging electromagnetism jet hybrid fuel jet device, it is special
Sign is：When control fuel solenoid valve is not powered on, fuel solenoid valve valve rod is pressed in fuel valve in the presence of electromagnetic fuel valve spring
Under bar on sealed base, fuel oil oil duct disconnects with fuel oil groove cavity, when control fuel solenoid valve is powered, the lift of fuel solenoid valve valve rod
Rise, fuel oil oil duct connects with fuel oil groove cavity.
5. combined electromagnetic oil spout according to claim 3-supercharging electromagnetism jet hybrid fuel jet device, its feature
It is：When control fuel solenoid valve is not powered on, fuel solenoid valve valve rod is pressed in fuel oil valve rod in the presence of electromagnetic fuel valve spring
On lower sealed base, fuel oil oil duct disconnects with fuel oil groove cavity, when control fuel solenoid valve is powered, the lift of fuel solenoid valve valve rod
Rise, fuel oil oil duct connects with fuel oil groove cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610250406.4A CN105756826B (en) | 2016-04-21 | 2016-04-21 | Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device |
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| CN201610250406.4A CN105756826B (en) | 2016-04-21 | 2016-04-21 | Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device |
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| CN105756826B true CN105756826B (en) | 2018-01-19 |
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| CN109058013A (en) * | 2018-09-21 | 2018-12-21 | 英嘉动力科技无锡有限公司 | A kind of natural gas diesel injector of new control model |
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| JPS6355352A (en) * | 1986-08-26 | 1988-03-09 | Mitsubishi Heavy Ind Ltd | Gas injector |
| JPH05180112A (en) * | 1991-06-25 | 1993-07-20 | Waertsilae Diesel Internatl Ltd:Oy | Improved fuel injection valve |
| JP3126984B2 (en) * | 1994-03-08 | 2001-01-22 | マーン・ベー・オグ・ドバルドヴェー・ディーゼール・アクティーゼルスカブ | Fuel valve and high-pressure gas fuel engine provided with the fuel valve |
| JP2002525475A (en) * | 1998-09-16 | 2002-08-13 | ウエストポート リサーチ インコーポレイテッド | Gas and liquid fuel injectors |
| CN205779396U (en) * | 2016-04-21 | 2016-12-07 | 哈尔滨工程大学 | Combined electromagnetic oil spout supercharging electromagnetism jet hybrid fuel jet device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761325B2 (en) * | 1998-09-16 | 2004-07-13 | Westport Research Inc. | Dual fuel injection valve and method of operating a dual fuel injection valve |
| US6431474B2 (en) * | 1999-05-26 | 2002-08-13 | Siemens Automotive Corporation | Compressed natural gas fuel injector having magnetic pole face flux director |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355352A (en) * | 1986-08-26 | 1988-03-09 | Mitsubishi Heavy Ind Ltd | Gas injector |
| JPH05180112A (en) * | 1991-06-25 | 1993-07-20 | Waertsilae Diesel Internatl Ltd:Oy | Improved fuel injection valve |
| JP3126984B2 (en) * | 1994-03-08 | 2001-01-22 | マーン・ベー・オグ・ドバルドヴェー・ディーゼール・アクティーゼルスカブ | Fuel valve and high-pressure gas fuel engine provided with the fuel valve |
| JP2002525475A (en) * | 1998-09-16 | 2002-08-13 | ウエストポート リサーチ インコーポレイテッド | Gas and liquid fuel injectors |
| CN205779396U (en) * | 2016-04-21 | 2016-12-07 | 哈尔滨工程大学 | Combined electromagnetic oil spout supercharging electromagnetism jet hybrid fuel jet device |
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