CN107420225A - A kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission - Google Patents
A kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission Download PDFInfo
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- CN107420225A CN107420225A CN201710504574.6A CN201710504574A CN107420225A CN 107420225 A CN107420225 A CN 107420225A CN 201710504574 A CN201710504574 A CN 201710504574A CN 107420225 A CN107420225 A CN 107420225A
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Classifications
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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
- F02M21/0251—Details of actuators therefor
- F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
-
- 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
-
- 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
- F02M21/0278—Port fuel injectors for single or multipoint injection into the air intake system
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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
- F02M21/04—Gas-air mixing apparatus
- F02M21/042—Mixer comprising a plurality of bores or flow passages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Fuel-Injection Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
It is an object of the invention to provide a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission, using straight-through plenum system, ensures the sufficient supply of combustion gas entered in valve body；Valve element bottom is using seal band and then forms air inlet ring cavity, and combustion gas enters axially into, and on the one hand avoids combustion gas interference, ensure that gas circuit balances, on the other hand alleviates valve seat quality, improve response speed；Using the valve seat construction with pressure stabilizing cavity, it can effectively suppress the fluctuation of gaseous-pressure inside fuel gas injection valve, ensure that the stability of fuel gas injection valve whiff pressure；By the cavity structure of fuel anemostat, allow the fuel to be distributed in whole device, realize the continuity and response of feeder supply；By branch pipe flume structure, the gaseous fuel of ejection is formed vortex, promote the mixability of fuel and air, be advantageous to burn, improve device service behaviour.
Description
Technical field
The present invention relates to a kind of gaseous fuel jet mixing device, the specifically gas of gaseous propellant engine
Fuel injection mixing arrangement.
Background technology
With increasingly serious, emission regulation demands the raisings of energy and environment situation, energy-saving and emission-reduction already turn into whole
The inexorable trend that Engine Industry need to develop, using the engine of gaseous fuel because its own good emission performance is by extensive
Concern.A whole set of gas handling system, including again to many parts such as air valve cylinder, fuel and sky from fuel gas injection valve to inlet manifold
Each part of air-flow warp suffers from significance for the performance of gaseous propellant engine.Injection for gaseous fuel, both
It is required that injection flow is big, ejection efficiency is high, while also require that jetting stability, response are good；And for gaseous fuel and air
Flowing, it is necessary to make gaseous fuel and air sufficiently to be mixed before cylinder is entered, to improve fuel combustion
Efficiency saves energy resource consumption.
The content of the invention
It is an object of the invention to provide fuel can be made to be sufficiently mixed before cylinder is entered with air, combustion is improved
Burn a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission of efficiency.
The object of the present invention is achieved like this：
A kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission of the present invention, it is characterized in that：Bag
Include fuel gas injection valve, connection gas hood, fuel anemostat；
The fuel gas injection valve includes valve body, valve seat, electromagnet, valve element assembly, valve seat be fixed on below valve body and with
Valve space is formed between valve body, electromagnet is located in valve space and fixed with valve body upper end, wound around coil in electromagnet, valve element group
Zoarium is located in valve space and is arranged on below electromagnet, described valve element assembly include armature, spring base, bottom plate, valve element,
Guide finger, armature, bottom plate, valve element arrange while linked together by fastening bolt that spring base is located at outside armature from top to bottom
Portion simultaneously forms annular groove between armature, annular groove is set inside electromagnet, the both ends of master reset spring are arranged in electromagnetism
In the annular groove of iron and the annular groove of spring base, guide finger is installed at armature center, guide finger is stretched in electromagnet, electromagnet
In auxiliary back-moving spring is set, the both ends of auxiliary back-moving spring contact electromagnet and guide finger, pressure balance are set in guide finger respectively
Hole, sets relief groove on bottom plate, and valve element is hollow structure, and center pressure stabilizing cavity is set on the valve seat below valve element, valve seat
Outer end sets end pressure stabilizing cavity, and pressure compensation opening, relief groove, the hollow space of valve element and center pressure stabilizing cavity communicate and structure
Into inner space, seal band is set, seal band forms air inlet ring cavity, sets outlet annulus on valve seat, go out compression ring on valve element
Band sets gas outlet below air inlet ring cavity below outlet annulus；
The fuel anemostat includes tracheae main body, and tracheae main body includes supervisor and branch pipe, is responsible for the annulus knot for cavity
Structure, supervisor's intercommunicating pore is set on circular ring structure, be main tube hub hole, the front end of branch pipe and the circular ring structure phase of supervisor in the middle part of annulus
Logical, supervisor is connected and communicated be connected gas hood, is responsible for centre bore and connects free-air diffuser, is responsible for the branch pipe region at centre bore rear
Combustion gas mixing area is formed, all branch pipes are affixed on the distribution of inlet manifold tube wall surrounding, skewed slot is opened up on the inside of branch pipe；
Gas outlet connection connection gas hood.
The present invention can also include：
1st, it is wavy shaped configuration above one end of supervisor's connection gas hood, it is frustum cone structure to be responsible at intercommunicating pore.
2nd, the end of branch pipe sets semicircle perforate, and the skewed slot on each branch pipe is four, its folder with inlet manifold axis
Angle is respectively 30 °, 30 °, 45 °, 60 °.
3rd, air inlet is formed between the top of electromagnet and valve body, air inlet is formed between the middle and lower part of electromagnet and valve body
Chamber, diversion cavity is formed between valve element assembly and valve body, air inlet, inlet chamber, diversion cavity communicate and form exterior space, outside
Space is communicated with inner space, and axial admission hole is set on valve element；
Combustion gas vertically flows into inlet chamber through air inlet, and a part of combustion gas is flowed into the center voltage stabilizing of inner space and valve seat
Chamber, remaining combustion gas continue perpendicular flow, and under the guide functions of diversion cavity, a part of combustion gas stream is through axial air admission hole, full of valve
Air inlet ring cavity on core, another part combustion gas are flowed into the end pressure stabilizing cavity of valve seat outer end；
In the fuel gas injection valve course of work, when coil is not powered on, in the pretightning force of master reset spring and auxiliary back-moving spring
Under effect, the upper surface of seal band and valve seat on valve element is fitted close, valve inner of the combustion gas full of fuel gas injection valve
Exterior space and inner space；After coil electricity, armature is acted on by upward electromagnetic force, and valve element assembly is overcoming master reset
Spring, auxiliary back-moving spring pretightning force after move upwards, valve element separates with valve base surface, fuel gas injection valve open, gas circuit open,
Combustion gas is flowed into by the axial admission hole on valve element, passes through air inlet ring cavity, the space between valve element and valve seat, via gas outlet
Connection gas hood vertically being flowed out into after guiding, afterwards incoming fuel anemostat, combustion gas is spread in the circular ring structure of supervisor, then
Be flowed into each branch pipe, the combustion gas for being flowed into branch pipe is injected to combustion gas mixing area by each skewed slot, at the same time air from
Free-air diffuser enters combustion gas mixing area by supervisor's centre bore, and in the presence of vortex, combustion gas is mixed with air and is flowed into
In inlet manifold；After coil blackout, under the effect of the pretightning force of master reset spring and auxiliary back-moving spring, armature moves downward, valve
Core assembly integrally moves downward, until spool face is bonded with valve base surface, comes back to initial position, fuel gas injection valve closes
Close, gas circuit is closed.
Advantage of the invention is that：The present invention is powered electromagnet by way of attraction armature so that the valve element of magnetic valve
Assembly is lifted off a seat motion under the interior guide effect of guide finger, realizes the function of gas valve jet, and combustion gas is gone out by magnetic valve
Mouth spurts into inlet manifold through connecting gas hood incoming fuel anemostat, realizes the function of combustion gas mixing；The present invention uses straight-through
Plenum system, ensure the sufficient supply of combustion gas entered in valve body；Valve element bottom is using seal band and then forms air inlet ring cavity,
Combustion gas enters axially into, and on the one hand avoids combustion gas interference, ensure that gas circuit balances, on the other hand alleviates valve seat quality, carry
High response speed；For the present invention using the valve seat construction with pressure stabilizing cavity, it can effectively suppress combustion gas inside fuel gas injection valve
The fluctuation of pressure, it ensure that the stability of fuel gas injection valve whiff pressure；The present invention is provided with pressure compensation opening at guide finger,
Relief groove is provided with bottom plate, promotes gas circuit inside and outside armature to reach balance, ensure that armature is poor without gaseous-pressure up and down,
Armature is avoided by extra axial force, the response speed of fuel gas injection valve is further increasing, reduces fuel gas injection
The control difficulty of valve work；The present invention uses the connection gas hood of large radius of curvature, reduces gas caused by sharp corners structure
Stream flowing pitot loss, further increase the injection flow of device；The fuel anemostat that the present invention uses is close to manifold wall cloth
Put, the wall boundary layer of air flow is destroyed in fuel gas injection, the tubulence energy of air flow is enhanced, further enhances
Mixing between fuel and air.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is fuel gas injection valve general structure schematic diagram；
Fig. 3 is valve element assembly schematic diagram；
Fig. 4 is fuel anemostat front view；
Fig. 5 is that the air-flow of the present invention moves towards 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, Fig. 1 is a kind of integrated form ring manifold wall gaseous fuel injection mixing dress of axial admission of the present invention
The overall structure diagram put, including 1 fuel gas injection valve, 2 connection gas hoods, 3 fuel anemostats.
A kind of as shown in Fig. 2 gas injection of the integrated form ring manifold wall gaseous fuel jet mixing device of axial admission
Penetrate valve, including 4 valve bodies, 5 electromagnet, 6 coils, 7 master reset springs, 9 auxiliary back-moving springs, 10 valve element assemblys, 12 O-ring seals
With 13 valve seats.Electromagnet 5 is linked together by the screw thread above it and valve body 4, it is fixed on the centre bit of the top of valve body 4
Put, coil 6 is wrapped in the annular groove inside electromagnet 5, has been sequentially arranged valve element assembly from top to bottom below electromagnet 5
10th, valve seat 13, together with valve seat 13 is bolted to connection between valve body 4, mating surface therebetween passes through fluid sealant
Circle 12 realizes sealing, and in center and at the seal band 19, both ends are provided with pressure stabilizing cavity 8 to valve seat 13, in valve seat 13
The pressure stabilizing cavity 8 of heart position is connected with the combustion gas space inside valve element assembly 10, and the pressure stabilizing cavity 8 and valve body at the both ends of valve seat 13
Diversion cavity in 4 is connected；It is caused in the course of the work that pressure stabilizing cavity 8 on valve seat 13 can effectively suppress fuel gas injection valve
The fluctuation of gaseous-pressure, it ensure that the stability of fuel gas injection valve whiff pressure.
A kind of as shown in figure 3, valve element group of the integrated form ring manifold wall gaseous fuel jet mixing device of axial admission
Zoarium 10 is made up of guide finger 14, armature 15, spring base 16, bottom plate 17, valve element 18, jump ring 21, pad 22 and fastening bolt 24,
Armature 15 is linked together by fastening bolt 24 and bottom plate 17, valve element 18, and one layer of pad is disposed between armature 15 and bottom plate 17
Piece 22, the top of bottom plate 17 are provided with four relief grooves 23, and spring base 16 is arranged on the top of bottom plate 17, its internal side surface
It is in contact with the side surface of armature 15, the both ends of master reset spring 7 are located in the annular groove of electromagnet 5 and spring base 16 respectively,
The center of electromagnet 5 is provided with the straight trough of certain depth, and the guide finger 14 between electromagnet 5 and armature 15 is arranged in inside straight trough, is led
Auxiliary back-moving spring 9 is disposed between the top of pin 14 and electromagnet 5, the center of guide finger 14 is provided with pressure compensation opening 20, is arranged in
The center of armature 15, itself and armature 15 are fixed up using jump ring 21, the pressure compensation opening 20 at the center of guide finger 14
Coordinate the relief groove 23 on bottom plate 17 that the inner space of valve element assembly 10 is connected with exterior space, inside and outside gas circuit reaches
Balance, the inside and outside combustion gas no pressure of valve element assembly 10 is poor, by extra axial force when avoiding from motion, valve element 18 by
Valve element main body, this two parts composition of seal band 19, the integral arrangement of valve element assembly 10 is below electromagnet 5.
As shown in figure 4, a kind of fuel of the integrated form ring manifold wall gaseous fuel jet mixing device of axial admission expands
Separate tube is made up of main tube part 25, manifold portion 26 and outlet skewed slot 27.Main tube part 25 is closely coupled with being connected gas hood 2, separately
While connected with manifold portion 26, manifold portion 26 is close on inlet manifold wall journey circumferentially, in manifold portion 26 to discrimination
On the tube wall of tube hub side, a series of outlet skewed slots 27 are provided with, in the present embodiment, outlet skewed slot and manifold axial angle point
Wei not be 30 °, 30 °, 45 °, 60 °.
In the gaseous fuel mixing device course of work, when coil 6 is not powered on, in master reset spring 7 and auxiliary back-moving spring 9
Pretightning force effect under, valve element assembly 10 initial position maintain motionless, the sealing on valve element 18 in valve element assembly 10
The upper surface of annulus 19 and valve seat 13 is fitted close, and now the ring cavity near outlet annulus 11 not yet connects with the inner space of valve body 4
It is logical, the whole space inside valve body 4 of the combustion gas full of fuel gas injection valve.After coil 6 is powered, electromagnet 5, armature 15 are magnetized,
Armature 15 is acted on by upward electromagnetic force, is included valve element assembly 10 due to fastening bolt 24 each including armature 15
Component is fixed together, and valve element assembly 10 is similarly subjected to upward active force, is overcoming master reset spring 7, auxiliary back-moving spring 9
Pretightning force after move upwards, the valve element 18 together moved upwards therewith is separated with the surface of valve seat 13, and now, fuel gas injection valve is opened
Open, gas circuit is opened, and combustion gas is flowed into by the axial admission hole 28 on valve element 18, by having a depthkeeping around multiple-sealed annulus 19
The air inlet ring cavity 29 of degree, via the space between valve element 18 and valve seat 13, vertically flowed out after being finally oriented to via gas outlet 30, valve
Multiple tracks annulus, face sealing, voltage stabilizing balance are used between core 18 and valve seat 13, and wider annulus area can reduce impact, improve
Reliability, combustion of the valve seat 13 around the pressure stabilizing cavity 8 set close to the both ends of air inlet ring cavity 29 and its center opening position causes
Gas is ventilated uniformly in flow process, air pressure balance；Gaseous fuel flows into fuel anemostat 3, gaseous fuel via connection gas hood 2
Supervisor 25 circular ring structure in spread, then be flowed into 26 in each branch pipe, be flowed into branch pipe 26 gaseous fuel pass through it is each
Skewed slot 27 is injected to combustion gas mixing area, and at the same time fresh air enters combustion gas by supervisor's centre bore from free-air diffuser and mixed
Area is closed, because branch pipe is distributed in the position of inlet manifold, the boundary layer of air of manifold wall formation is destroyed, increases air stream
Dynamic tubulence energy, additionally due to the skewed slot 27 on branch pipe takes the angle design of gradual change, therefore gaseous fuel is being injected to mixing
Qu Shihui produces vortex, and in the presence of vortex, fuel can be carried out sufficiently mixing and is flowed into again in cylinder with air.Combustion gas
Spray it is a certain amount of after, coil 5 powers off, and electromagnetic force that armature 15 is subject to disappears, electromagnet 5 and spring base 16, guide finger 14 it
Between master reset spring 7, auxiliary back-moving spring 9 pretightning force effect under, armature 15 is moved downward, and valve element assembly 10 is transported downwards
It is dynamic, while moved downward with movable valve plug 18, until the surface of valve element 18 is bonded with the surface of valve seat 13, initial position is come back to, is fired
Gas jet valve is closed, and gas circuit is closed.
From the above-mentioned course of work：A kind of integrated form ring manifold wall gaseous fuel injection of axial admission of the present invention
Mixing arrangement is powered electromagnet 5 by way of attraction armature 15 so that valve element assembly 10 is made in the interior guiding of guide finger 14
Lifted off a seat under 13 motions, realize the function of gas valve jet；The present invention enters valve body using straight-through plenum system, guarantee
The sufficient supply of combustion gas in 4；The bottom of valve element 18 is using seal band 19 and then forms air inlet ring cavity 29, and combustion gas is entered vertically
Enter, on the one hand avoid combustion gas interference, ensure that gas circuit balances, on the other hand alleviate the mass of valve seat 13, improve response speed
Degree；For the present invention using the structure of valve seat 18 with pressure stabilizing cavity 8, it can effectively suppress the ripple of gaseous-pressure inside fuel gas injection valve
It is dynamic, it ensure that the stability of fuel gas injection valve whiff pressure；The present invention is provided with pressure compensation opening at guide finger 14, in bottom plate
Relief groove is provided with 17, ensure that armature is poor without gaseous-pressure about 15, avoids armature 15 in valve element assembly 10
By extra axial force, the response speed of fuel gas injection valve is further increasing, reduces the control of fuel gas injection valve work
Difficulty processed.When fuel injection is stopped, flowing of the fuel in fuel anemostat 3 is also just basic stops, and fuel is just stored in
In gas hood 2, supervisor 25 and each branch pipe 26.Until during next induction stroke, fuel gas injection valve 1 and cylinder valve are opened, storage
Fuel in gas hood 2, supervisor 25, branch pipe 26 can be pushed to combustion gas mixing area by follow-up fuel, laggard being mixed with air
Enter cylinder, which thereby enhance the response of whole inlet duct supply.
The present invention is a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission, and device is divided into combustion
Gas jet valve, connection gas hood and fuel anemostat.Fuel gas injection valve includes valve body, electromagnet, coil, master reset spring, auxiliary multiple
Position spring, valve element assembly, O-ring seal and valve seat, electromagnet are linked together by the screw thread above it with valve body, make it
The center being fixed on above valve body, coil are wrapped in the annular groove inside electromagnet, below electromagnet from top to bottom according to
It is secondary to be disposed with valve element assembly, valve seat, together with valve seat is bolted to connection between valve body, mating surface therebetween
Sealing is realized by O-ring seal, valve seat is provided with pressure stabilizing cavity, valve seat in center and close to both ends at seal band
The pressure stabilizing cavity of center is connected with the combustion gas space inside valve element assembly, and in the pressure stabilizing cavity and valve body at valve seat both ends
Diversion cavity is connected；Foregoing valve element assembly is by guide finger, armature, spring base, pad, bottom plate, jump ring, fastening bolt and valve
Core is formed, and armature is linked together by fastening bolt and bottom plate, valve element, and one layer of pad, bottom are disposed between armature and bottom plate
Four relief grooves are provided with above plate, spring base is arranged on the top of bottom plate, the side surface of its internal side surface and armature
It is in contact, respectively in the annular groove of electromagnet and spring base, electromagnet center is provided with a depthkeeping at the both ends of master reset spring
The straight trough of degree, the guide finger between electromagnet and armature are arranged in inside straight trough, are disposed with above guide finger between electromagnet
Auxiliary back-moving spring, guide pin centre are provided with pressure compensation opening, are arranged in the center of armature, are consolidated itself and armature using jump ring
Get up calmly, valve element is made up of valve element main body, seal band, and valve element assembly integral arrangement is below electromagnet；Combustion gas is via entering
Gas port is vertically flowed into valve body, due to the presence of the relief groove on the pressure compensation opening and bottom plate on guide finger, valve element group
Fit inner space connects with space in valve body, and a part of combustion gas can be flowed into valve element assembly inner space, be filled with immediately
Pressure stabilizing cavity at valve element assembly inner space and valve seat center；Remaining combustion gas flows into along diversion cavity is full of valve inner,
A part is flowed into by axial admission hole, full of the air inlet ring cavity with certain depth around multiple-sealed annulus, another part
The pressure stabilizing cavity and the surrounding space of valve element being filled with valve seat both ends.When coil is not powered on, spool face and valve base surface phase
It is bonded, the air inlet ring cavity on valve element does not connect with the ring cavity of outlet adjacent annular bands on valve seat；During coil electricity, spool face departs from
Valve base surface, now air inlet ring cavity be connected with the ring cavity of outlet adjacent annular bands, lifting and taking a seat for valve element controls compression ring
Break-make between the ring cavity of chamber and outlet adjacent annular bands.Connection gas hood one end is closely connected with fuel gas injection valve outlet, the other end
Then closely it is connected with fuel anemostat, fuel sprays from fuel gas injection valve, through connecting inside gas hood incoming fuel anemostat.Fuel
Anemostat include supervisor and branch pipe, be responsible for for one connection gas hood toroidal cavity structure, one end is connected with being connected gas hood by screw thread
Connect；Some branch pipes are connected in the opposite side of supervisor, branch pipe is close to inlet manifold inwall circumferentially, is opened on branch pipe madial wall
If a series of skewed slot that angles do not wait, and angle of bevel gradual change, gaseous fuel by these skewed slots be flowed into inlet manifold with
Air mixes.
Claims (5)
1. a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission, it is characterized in that：Including gas injection
Penetrate valve, connection gas hood, fuel anemostat；
The fuel gas injection valve includes valve body, valve seat, electromagnet, valve element assembly, and valve seat is fixed on below valve body and and valve body
Between form valve space, electromagnet is located in valve space and fixed with valve body upper end, wound around coil in electromagnet, valve element assembly
In valve space and it is arranged on below electromagnet, described valve element assembly includes armature, spring base, bottom plate, valve element, guiding
Pin, armature, bottom plate, valve element arrange while linked together by fastening bolt that spring base is located at outside armature simultaneously from top to bottom
Annular groove is formed between armature, annular groove is set inside electromagnet, the both ends of master reset spring are arranged in electromagnet
In the annular groove of annular groove and spring base, guide finger is installed at armature center, guide finger is stretched in electromagnet, set in electromagnet
Auxiliary back-moving spring is put, the both ends of auxiliary back-moving spring contact electromagnet and guide finger, pressure compensation opening, bottom are set in guide finger respectively
Relief groove is set on plate, and valve element is hollow structure, sets center pressure stabilizing cavity on the valve seat below valve element, the outer end of valve seat is set
End pressure stabilizing cavity is put, pressure compensation opening, relief groove, the hollow space of valve element and center pressure stabilizing cavity communicate and form inside
Space, seal band is set on valve element, and seal band forms air inlet ring cavity, sets outlet annulus on valve seat, outlet annulus is located at
Below air inlet ring cavity, gas outlet is set below outlet annulus；
The fuel anemostat includes tracheae main body, and tracheae main body includes supervisor and branch pipe, is responsible for the circular ring structure for cavity, circle
Supervisor's intercommunicating pore is set on ring structure, is main tube hub hole in the middle part of annulus, the front end of branch pipe communicates with the circular ring structure being responsible for, main
Pipe is connected and communicated be connected gas hood, and supervisor's centre bore connects free-air diffuser, is responsible for the branch pipe region composition at centre bore rear
Combustion gas mixing area, all branch pipes are affixed on the distribution of inlet manifold tube wall surrounding, skewed slot are opened up on the inside of branch pipe；
Gas outlet connection connection gas hood.
2. a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission according to claim 1,
It is characterized in that：It is wavy shaped configuration above one end of supervisor's connection gas hood, it is frustum cone structure to be responsible at intercommunicating pore.
A kind of 3. integrated form ring manifold wall gaseous fuel injection mixing dress of axial admission according to claim 1 or 2
Put, it is characterized in that：The end of branch pipe sets semicircle perforate, and the skewed slot on each branch pipe is four, itself and inlet manifold axis
Angle is respectively 30 °, 30 °, 45 °, 60 °.
A kind of 4. integrated form ring manifold wall gaseous fuel injection mixing dress of axial admission according to claim 1 or 2
Put, it is characterized in that：Air inlet is formed between the top of electromagnet and valve body, air inlet is formed between the middle and lower part of electromagnet and valve body
Chamber, diversion cavity is formed between valve element assembly and valve body, air inlet, inlet chamber, diversion cavity communicate and form exterior space, outside
Space is communicated with inner space, and axial admission hole is set on valve element；
Combustion gas vertically flows into inlet chamber through air inlet, and a part of combustion gas is flowed into the center pressure stabilizing cavity of inner space and valve seat,
Remaining combustion gas continues perpendicular flow, and under the guide functions of diversion cavity, a part of combustion gas stream is through axial air admission hole, full of on valve element
Air inlet ring cavity, another part combustion gas flowed into the end pressure stabilizing cavity of valve seat outer end；
In the fuel gas injection valve course of work, when coil is not powered on, acted in the pretightning force of master reset spring and auxiliary back-moving spring
Under, the upper surface of seal band and valve seat on valve element is fitted close, the outside of valve inner of the combustion gas full of fuel gas injection valve
Space and inner space；After coil electricity, armature is acted on by upward electromagnetic force, and valve element assembly is overcoming master reset bullet
Spring, auxiliary back-moving spring pretightning force after move upwards, valve element separates with valve base surface, fuel gas injection valve open, gas circuit open, combustion
Gas is flowed into by the axial admission hole on valve element, by air inlet ring cavity, the space between valve element and valve seat, is led via gas outlet
Connection gas hood is vertically flowed out into backward, afterwards incoming fuel anemostat, combustion gas is spread in the circular ring structure of supervisor, then is flowed
Enter into each branch pipe, the combustion gas for being flowed into branch pipe is injected to combustion gas mixing area by each skewed slot, and at the same time air is from sky
Gas air intake duct by supervisor centre bore enter combustion gas mixing area, in the presence of vortex, combustion gas mixed with air be flowed into
In gas manifold；After coil blackout, under the effect of the pretightning force of master reset spring and auxiliary back-moving spring, armature moves downward, valve element
Assembly integrally moves downward, until spool face is bonded with valve base surface, comes back to initial position, fuel gas injection valve closes
Close, gas circuit is closed.
5. a kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission according to claim 3,
It is characterized in that：Air inlet is formed between the top of electromagnet and valve body, inlet chamber is formed between the middle and lower part of electromagnet and valve body,
Diversion cavity is formed between valve element assembly and valve body, air inlet, inlet chamber, diversion cavity communicate and form exterior space, outside empty
Between communicated with inner space, axial admission hole is set on valve element；
Combustion gas vertically flows into inlet chamber through air inlet, and a part of combustion gas is flowed into the center pressure stabilizing cavity of inner space and valve seat,
Remaining combustion gas continues perpendicular flow, and under the guide functions of diversion cavity, a part of combustion gas stream is through axial air admission hole, full of on valve element
Air inlet ring cavity, another part combustion gas flowed into the end pressure stabilizing cavity of valve seat outer end；
In the fuel gas injection valve course of work, when coil is not powered on, acted in the pretightning force of master reset spring and auxiliary back-moving spring
Under, the upper surface of seal band and valve seat on valve element is fitted close, the outside of valve inner of the combustion gas full of fuel gas injection valve
Space and inner space；After coil electricity, armature is acted on by upward electromagnetic force, and valve element assembly is overcoming master reset bullet
Spring, auxiliary back-moving spring pretightning force after move upwards, valve element separates with valve base surface, fuel gas injection valve open, gas circuit open, combustion
Gas is flowed into by the axial admission hole on valve element, by air inlet ring cavity, the space between valve element and valve seat, is led via gas outlet
Connection gas hood is vertically flowed out into backward, afterwards incoming fuel anemostat, combustion gas is spread in the circular ring structure of supervisor, then is flowed
Enter into each branch pipe, the combustion gas for being flowed into branch pipe is injected to combustion gas mixing area by each skewed slot, and at the same time air is from sky
Gas air intake duct by supervisor centre bore enter combustion gas mixing area, in the presence of vortex, combustion gas mixed with air be flowed into
In gas manifold；After coil blackout, under the effect of the pretightning force of master reset spring and auxiliary back-moving spring, armature moves downward, valve element
Assembly integrally moves downward, until spool face is bonded with valve base surface, comes back to initial position, fuel gas injection valve closes
Close, gas circuit is closed.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110666A (en) * | 1998-09-30 | 2000-04-18 | Toyota Motor Corp | Gaseous fuel injection valve |
| US7383819B1 (en) * | 2006-12-20 | 2008-06-10 | Mitsubishi Heavy Industries, Ltd. | Electromagnetic valve device and fuel injection apparatus with the valve device |
| CA2814458A1 (en) * | 2010-10-19 | 2012-04-26 | Kawasaki Jukogyo Kabushiki Kaisha | Fuel gas supply system of gas engine |
| JP2012225201A (en) * | 2011-04-15 | 2012-11-15 | Denso Corp | Fuel injection device and fuel supply system using the same |
| CN103775248A (en) * | 2014-01-03 | 2014-05-07 | 哈尔滨工程大学 | Fuel gas jetting device of gas fuel engine used for ship or duel-fuel engine |
| CN206816404U (en) * | 2017-06-28 | 2017-12-29 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission |
-
2017
- 2017-06-28 CN CN201710504574.6A patent/CN107420225B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000110666A (en) * | 1998-09-30 | 2000-04-18 | Toyota Motor Corp | Gaseous fuel injection valve |
| US7383819B1 (en) * | 2006-12-20 | 2008-06-10 | Mitsubishi Heavy Industries, Ltd. | Electromagnetic valve device and fuel injection apparatus with the valve device |
| CA2814458A1 (en) * | 2010-10-19 | 2012-04-26 | Kawasaki Jukogyo Kabushiki Kaisha | Fuel gas supply system of gas engine |
| JP2012225201A (en) * | 2011-04-15 | 2012-11-15 | Denso Corp | Fuel injection device and fuel supply system using the same |
| CN103775248A (en) * | 2014-01-03 | 2014-05-07 | 哈尔滨工程大学 | Fuel gas jetting device of gas fuel engine used for ship or duel-fuel engine |
| CN206816404U (en) * | 2017-06-28 | 2017-12-29 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device of axial admission |
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| CN107420225B (en) | 2023-05-30 |
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