CN110242442A - A kind of oil-gas two-way engine - Google Patents
A kind of oil-gas two-way engine Download PDFInfo
- Publication number
- CN110242442A CN110242442A CN201810185603.1A CN201810185603A CN110242442A CN 110242442 A CN110242442 A CN 110242442A CN 201810185603 A CN201810185603 A CN 201810185603A CN 110242442 A CN110242442 A CN 110242442A
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- Prior art keywords
- gas
- spindle
- ontology
- main air
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- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 108
- 230000005540 biological transmission Effects 0.000 abstract description 33
- 239000000567 combustion gas Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000002309 gasification Methods 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 235000013847 iso-butane Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
- F02M21/0212—Hydrocarbon fuels, e.g. methane or acetylene comprising at least 3 C-Atoms, e.g. liquefied petroleum gas [LPG], propane or butane
-
- 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
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- 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
-
- 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
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
-
- 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
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0233—Details of actuators therefor
-
- 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
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- 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)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of oil-gas two-way engines, it includes cylinder block, cylinder head cover, thermal insulation board, carburetor and gas supply assembly, combustion chamber is equipped in the cylinder block, the cylinder head cover is fixedly mounted in cylinder block, the thermal insulation board is between cylinder block and carburetor, the carburetor is equipped with aditus laryngis, the gas supply assembly includes air accumulator, metal catheter, pressure maintaining valve, appendix I, appendix II, appendix III, air inlet adjustment valve, and gas supply assembly forms two gas transmission paths under the distributional effects of air inlet adjustment valve.The gas supply assembly of oil-gas two-way engine can provide the gas transmission path of the air demand of two kinds of sizes, all the way for providing combustion gas, another way for providing combustion gas in low engine speed state in engine hair rotary regimes, not only realize combustion gas mix with air than it is controllable, also achieve smooth switching of the engine between high-speed state and low speed state so that the stable and reliable working performance of engine.
Description
Technical field
Gas conveying technology more particularly to one the present invention relates to fuel oil and combustion gas as the oil-gas two-way engine of fuel
There are two types of the oil-gas two-way engines of the gas conveying technology of air demand for kind tool.
Background technique
Liquefied petroleum gas (LPG) and liquefied natural gas (LNG) are used as gaseous fuel, have significant economy, low pollution
Property, high burning-value, transport convenience there are good market prospects in the case where currently advocating energy-saving and environment-friendly whole overall situation.Thus
Social concerns more and more are obtained, standardized type gas source product abundant occurs in consumption market, such as easy to carry
And the small-sized filling liquefied gas (including propane, butane, iso-butane etc.) of safety, these standard products can be applied to oil-gas two-way
Engine.
Usual oil-gas two-way engine has the air delivering pipeline corresponded to for gaseity, which is equipped with for dropping
Low pressure can control the air inlet size for being passed through engine by pressure maintaining valve to control the pressure maintaining valve of flow.Due to the prior art
In pressure maintaining valve can be only formed one of gas transmission path on gas supply path, the outlet pressure of pressure maintaining valve limits in a certain range,
Therefore, which can only provide variation range very small air demand, this makes engine in high revolving speed
Converted between state and low speed state it is extremely difficult, when engine needs more combustion gas to maintain to run at high speed, then often
The case where not gone out by air demand is influenced.Engine is shown as in actual use in low speed state to high-speed state
It is shut down when transition, function of the engine is unstable.Burning, which is generated, in engine interior as a result, forms asking for carbon distribution not to the utmost
Topic, the problems such as tail gas nuisance content is exceeded.
A kind of pressure maintaining valve of specification is selected in same model oil-gas two-way engine in the prior art, such pressure maintaining valve is supplying
It can be only formed one of gas transmission path on gas circuit diameter；The working range of pressure maintaining valve is defined, and the outlet pressure of every kind of pressure maintaining valve is not
It is identical, between each other without versatility feature, thus a kind of gas can only be met, for example, it makes using propane as the engine of fuel
Pressure maintaining valve, which is different from tracing it to its cause using the butane pressure maintaining valve that it is used as the engine of fuel, essentially consists in the boiling point of the two
It is different.
In conclusion there is the air demand variation in production in the gas conveying technology of the oil-gas two-way engine of the prior art
Range is small, the disadvantage of component universality difference.
Summary of the invention
The technical problem to be solved by the present invention is to how expand the air demand variation range in gas transmission path, one kind is thus provided
The oil-gas two-way engine of stable and reliable working performance.
In order to solve the above technical problems, the present invention adopts the following technical scheme: the oil-gas two-way engine include cylinder block,
Cylinder head cover, thermal insulation board, carburetor and gas supply assembly, the cylinder block is interior to be equipped with combustion chamber, and the cylinder head cover is fixedly mounted
In cylinder block, for the thermal insulation board between cylinder block and carburetor, the carburetor is equipped with aditus laryngis, the gas supply assembly
Including air accumulator, metal catheter, pressure maintaining valve, appendix I, appendix II, appendix III, air inlet adjustment valve, the air accumulator with
One end of metal catheter connects, and the metal catheter, which is equipped with, is bent S-shaped heating and gasifying position, the heating and gasifying position with
The other end of cylinder head cover connection, the air inlet of the pressure maintaining valve and metal catheter connects, the gas outlet of the pressure maintaining valve with it is defeated
One end of tracheae I connects, and the air inlet adjustment valve includes ontology, the first spindle, the second spindle, and the ontology is equipped with main air inlet
Road, idling air flue and main air supply duct, the main air supply duct is connected to main air intake, the idling air flue is connected to main air intake,
The main air intake is straight, and the idling air flue is in bending state, and the main air supply duct is straight, first oil
Needle, the second spindle are all connected through a screw thread mode and are fixedly mounted on the body, and one end of first spindle is protruded into main gas supply
In road, the other end of first spindle be located at body exterior, between the main air supply duct and main air intake pass through the first spindle
Connecting degree is controlled, one end of second spindle is protruded into idling air flue, the other end of second spindle is located at ontology
Outside, between the idling air flue and main air intake by the second spindle control connecting degree, the other end of the appendix I with
Main air intake connection, the main air supply duct are connected to by appendix II with the aditus laryngis on carburetor, and the thermal insulation board is equipped with negative
Hole is pressed, the idling air flue is connected to by appendix III with negative pressure hole, the negative pressure hole and combustion chamber.
Firstly, having air inlet adjustment valve in the technical scheme.Inside air inlet adjustment valve, main air supply duct and main air intake
Between formed between main gas supply path, idling air flue and main air intake and to form helping air supply path again.First spindle and ontology it
Between connection procedure play on-off action, when one end of the first spindle is closely connect with ontology, then main gas supply path just by
It disconnects；Conversely, main gas supply free pathway, while the unimpeded degree, that is, connecting degree is adjustable；Company between second spindle and ontology
Termination process also plays on-off action, when one end of the second spindle is closely connect with ontology, then helping air supply path is just broken
It opens；Conversely, helping air supply free pathway, while the unimpeded degree, that is, connecting degree is adjustable.As a result, when gas is by main for gas circuit
After diameter, the outlet stool and urine at main air supply channel is adjustable；When gas is behind helping air supply path, going out at idling air flue
Gas size is also adjustable.
Secondly, gas supply assembly forms two gas transmission paths under the distributional effects of air inlet adjustment valve.One is arrived for air accumulator
Metal catheter, metal catheter to pressure maintaining valve, pressure maintaining valve to appendix I, appendix I by the main gas supply path of air inlet adjustment valve with
The aditus laryngis of carburetor is connected to the main gas transmission path to be formed；Other one for air accumulator to metal catheter, metal catheter to pressure maintaining valve,
Pressure maintaining valve, which is connected to by the helping air supply path of air inlet adjustment valve with the negative pressure hole of thermal insulation board to appendix I, appendix I, to be formed
Assist gas transmission path.
Since any gas supply path of air inlet adjustment valve has the characteristics that air demand is adjustable, make the gas supply in winner's gas transmission path
Amount is adjustable as being different from the air demand in auxiliary gas transmission path, can realize that the air demand in main gas transmission path is greater than auxiliary based on this
The air demand in gas transmission path.Again since the aditus laryngis that the end in main gas transmission path is located at carburetor goes out, therefore come autonomous gas transmission path
Combustion gas can be by the mixed proportion of carburetor regulating gas and air, so that the mixing ratio of combustion gas and control obtains stablizing control
System.Auxiliary gas transmission path can provide lesser air demand always, can maintain low turn of engine by auxiliary gas transmission path gas supply
Gas consumption under fast state.In the technical scheme, expand former gas transmission path by two gas transmission paths in parallel of setting
Air demand variation range makes engine get a promotion with the working performance of the operating status of the combustion gas energy, stability is reinforced.When
Engine high revolving speed mainly obtains combustion gas by main gas transmission path when running and air demand is controllable, due to auxiliary gas transmission path
Air demand is small, and the engine influence that the combustion gas that auxiliary gas transmission path provides runs high revolving speed is small, thus, air demand is being started
Machine high revolving speed is controllable when running, and obtains a certain range of adjustment；Pass through auxiliary gas transmission road when low engine speeds operation
Diameter.
Meanwhile any gas supply path of air inlet adjustment valve has the characteristics that air demand is adjustable, weakens pressure maintaining valve and is setting
Influence in terms of air demand, i.e. air inlet adjustment valve have certain pressure-reduced and-regulated function, thus, the adjusting energy of entire gas supply assembly
Power greatly promotes, and adaptability also gets a promotion, and gas supply assembly is allowed to match the engine technology based on different gas source types,
With high significant versatility.
Metal catheter in gas supply assembly is copper metal catheter, and the conduit of the material has preferable heat transfer performance.
Although setting heating and gasifying position to realize that main combustion gas is heated gasification, other positions of metal catheter also can
Realize the heated gasification of the combustion gas of auxiliary property.The heated gasification of combustion gas in order to strengthen the auxiliary property, it is described
Air accumulator is located at the side of cylinder block, carburetor is located at the other side of cylinder block.Such structure setting is conducive to metal catheter
Closer on the cylinder block of engine, cylinder head cover, reinforce main combustion gas by thermal evaporation to obtain more heats
The heated gasification of the combustion gas of process and auxiliary property.
By increasing the heating and gasifying position of metal catheter and the contact surface of cylinder head cover, heating gas can be further increased
Change the vaporization ability at position, the heating and gasifying position bending of metal catheter is wave-shaped thus, i.e., is bent by multiple continuous S-shapeds
The structure that structures in series is formed together.
For the ease of production, it is simple, firm to guarantee that the structure of air inlet adjustment valve has the advantages that, the main air intake connection
Be all located at the side of ontology with idling air flue, the main air supply duct is located at the other side of ontology, one end of the idling air flue with
Main air intake is parallel.
The vibration generated when engine operation can have an adverse effect for the component being connected through a screw thread, such as shake
The loose phenomenon of screw connection point caused by dynamic.In order to inhibit such phenomenon, it is additionally provided between first spindle and ontology
First spring, first spring one end is connect with ontology, the first spring other end is connect with the first spindle, second spindle
It is additionally provided with second spring between ontology, described second spring one end connect with ontology, the second spring other end and the second spindle
Connection.A spindle is all installed on the body, and spring increases its damping relative to ontology, thus it can be prevented that vibration to oil
The influence of needle.
The present invention is by adopting the above technical scheme: the gas supply assembly of oil-gas two-way engine can provide the air demand of two kinds of sizes
Gas transmission path, all the way for providing combustion gas in engine hair rotary regimes, another way is used to mention in low engine speed state
For combustion gas, not only realize combustion gas mix with air than it is controllable, also achieve engine in high-speed state and the slow-speed of revolution
Smooth switching between state, so that the stable and reliable working performance of engine.
Detailed description of the invention
The present invention is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of structural schematic diagram of oil-gas two-way engine of the present invention；
Fig. 2 is a kind of perspective view of the air inlet adjustment valve of oil-gas two-way engine of the present invention；
Fig. 3 is a kind of internal structure chart I of the air inlet adjustment valve of oil-gas two-way engine of the present invention；
Fig. 4 is a kind of internal structure chart II of the air inlet adjustment valve of oil-gas two-way engine of the present invention；
Fig. 5 is a kind of structural schematic diagram at the heating and gasifying position of the metal catheter of oil-gas two-way engine of the present invention.
Specific embodiment
As shown in Figure 1, oil-gas two-way engine is equipped with cylinder block 10, cylinder head cover 11, thermal insulation board 12, carburetor 13, sky
Filter 19 and gas supply assembly.
Cylinder block 10 is the main body of engine, and each cylinder and crankcase are connected by it, be installation piston, crankshaft with
And the support framework of other part and accessories.Combustion chamber is equipped with inside cylinder block 10, side is equipped with inlet channel, the other side is equipped with
Exhaust passage, the inlet channel and exhaust passage can be with combustion chambers.Cylinder head cover 11 is fixedly mounted on cylinder block 10
Top.The effect of thermal insulation board 12 is to avoid the heat of the cylinder block 10 when work in high temperature to pass to carburetor too much
13, to achieve the purpose that completely cut off high temperature.Gas distribution channel is equipped among thermal insulation board 12, thermal insulation board 12 is fixedly mounted on cylinder block 10
The gas distribution channel is connected to the inlet channel of cylinder block 10 after upper.Carburetor 13 is fixedly mounted on partition, therefore, thermal insulation board 12
Between cylinder block 10 and carburetor 13；Carburetor 13 is equipped with aditus laryngis, air intlet and mixed gas outlet, and carburetor 13 exists
Position equipped with mixed gas outlet is fixedly connected with thermal insulation board 12.Air filter 19 is mounted on the portion that carburetor 13 is equipped with air intlet
Position.
Gas supply assembly include air accumulator 14, metal catheter 15, pressure maintaining valve 16, appendix I 17, appendix II, appendix III,
Air inlet adjustment valve 9.Air accumulator 14 is for storing liquefied gas, and air accumulator 14 is located at the side of cylinder block 10, carburetor 13 is located at gas
The other side of cylinder body 10.Metal catheter 15 is copper metal catheter 15.Pressure maintaining valve 16 is fixedly mounted on cylinder by mounting bracket
On skull 11, one end of metal catheter 15 connect with air accumulator 14, the air inlet of the other end of metal catheter 15 and pressure maintaining valve 16
It connects, by being connected to inside metal catheter 15 and pressure maintaining valve 16 inside such air accumulator 14.Metal catheter 15 is attached to cylinder block
10, outside cylinder head cover 11, and cylinder block 10, cylinder head cover 11 are located next to；As shown in figure 5, metal catheter 15 is equipped with continuously
Positive and negative alternate is bent heating and gasifying position 18 wave-shaped, the bending direction phase at adjacent flex position on heating and gasifying position 18
Instead, thus adjacent flex position is S-shaped, that is, heating and gasifying position 18 is connected by multiple continuous S-shaped warp architectures and formed.
The heating and gasifying position 18 of metal catheter 15 is fixed on cylinder head cover 11.
As shown in Fig. 2, air inlet adjustment valve 9 includes ontology 1, the first spindle 2, the second spindle 3, the first spindle 2, the second spindle
3 are all connected through a screw thread and are mounted on ontology 1.The mounting hole being easily installed is provided with outside ontology 1.As shown in Figure 3,4, exist
Channel design is equipped with inside ontology 1, these channels include main air intake 4, idling air flue 5 and main air supply duct 6.Main air intake 4
Straight, idling air flue 5 is straight in bending state, main air supply duct 6, ontology 1 around main air intake 4, idling air flue 5,
The part of main air supply duct 6 and be externally formed with tubular structure.The connection of main air intake 4 and idling air flue 5 are all located at ontology 1
Side, main air supply duct 6 are located at the other side of ontology 1, and one end of idling air flue 5 is parallel with main air intake 4.Main air supply duct 6 and master
The connection of air intake duct 4 forms main gas supply path, idling air flue 5 is connected to form helping air supply path with main air intake 4.As shown in figure 4,
It is additionally provided with the first spring 7 between first spindle 2 and ontology 1,7 one end of the first spring connect with ontology 1,7 other end of the first spring
It is connect with the first spindle 2；It is additionally provided with second spring 8 between second spindle 3 and ontology 1,8 one end of second spring connect with ontology 1,
8 other end of second spring is connect with the second spindle 3.After installation, one end of the first spindle 2 protruded into main air supply duct 6, the first oil
The other end of needle 2 is located at outside ontology 1, and one end of the second spindle 3 protrudes into idling air flue 5, the other end position of the second spindle 3
Outside ontology 1.First spindle 2 protrudes on main gas supply path, the second spindle 3 protrudes on helping air supply path, by twisting
Dynamic first spindle 2 is the contiguity of adjustable first spindle 2 and ontology 1, and the first spindle 2 can protrude further into main gas supply
In road 6, reduce the connecting degree of winner's air supply duct 6 and main air intake 4, i.e., main gas supply path becomes obstructed, it is possible thereby to
The effect for reducing air demand is obtained, conversely, air demand then increases；Similarly, by turning i.e. adjustable second spindle of the second spindle 3
3 can protrude further into idling air flue 5 with the contiguity of ontology 1, the second spindle 3, so that idling air flue 5 and main air inlet
The connecting degree in road 4 reduces, i.e., helping air supply path becomes obstructed, it is possible thereby to the effect for reducing air demand is obtained, conversely,
Air demand then increases.Connecting degree, idling air flue 5 are controlled by the first spindle 2 between main air supply duct 6 and main air intake 4 as a result,
Connecting degree is controlled by the second spindle 3 between main air intake 4.
Appendix I 17 is rubber tube, and the gas outlet of pressure maintaining valve 16 passes through the main air inlet of appendix I 17 and air inlet adjustment valve 9
Road 4 connects, and is connected to by appendix I 17 with main air intake 4 inside pressure maintaining valve 16 after connection.Appendix II, appendix III are all
Copper metal tube.Main air supply duct 6 is connected to by appendix II with the aditus laryngis on carburetor 13.Thermal insulation board 12 is equipped with negative pressure hole,
Negative pressure hole is connected to the inlet channel of cylinder block 10, so negative pressure hole can be connected to combustion chamber；Idling air flue 5 passes through appendix III
It is connected to negative pressure hole.
Gas supply assembly forms two gas transmission paths under the distributional effects of air inlet adjustment valve 9.One is air accumulator 14 to gold
Belong to conduit 15, metal catheter 15 to pressure maintaining valve 16, pressure maintaining valve 16 to appendix I 17, appendix I 17 and passes through air inlet adjustment valve 9
Main gas supply path is connected to the main gas transmission path to be formed with the aditus laryngis of carburetor 13；Other one is arrived metal catheter for air accumulator 14
15, metal catheter 15 is supplied to pressure maintaining valve 16, pressure maintaining valve 16 to appendix I 17, appendix I 17 by the auxiliary of air inlet adjustment valve 9
Gas circuit diameter is connected to the auxiliary gas transmission path to be formed with the negative pressure hole of thermal insulation board 12.
In use, the first spindle 2 of adjustment and the second spindle 3, the connecting degree for making winner supply path is greater than helping air supply
The connecting degree in path, the air demand for thus setting main air supply duct 6 are greater than the air demand of idling air flue 5.The gas supply of idling air flue 5
Measure small, the air demand of main air supply duct 6 is big, and the air demand in winner's gas transmission path is made to be greater than the air demand in auxiliary gas transmission path.Work as hair
Motivation can be used when being in low speed state maintains operating status from the combustion gas that auxiliary gas transmission path provides；At engine
It can be used when high-speed state and carry out the combustion gas maintenance operating status that main gas transmission path provides.
Turning the first spindle 2 can be adjusted the air demand in main gas transmission path, turns the second spindle 3 auxiliary gas transmission can be adjusted
The air demand in path.It, can when oil-gas two-way engine technology with two gas transmission paths copes with different types of gas source
, using the gas source of different gasification properties, it can be made to obtain by fine tuning by way of turning the first spindle 2 and the second spindle 3
To being widely used, versatility is enhanced.
Claims (5)
1. a kind of oil-gas two-way engine, which includes cylinder block (10), cylinder head cover (11), thermal insulation board
(12), carburetor (13) and gas supply assembly, the cylinder block (10) is interior to be equipped with combustion chamber, and the cylinder head cover (11) is fixedly mounted
On cylinder block (10), the thermal insulation board (12) is located between cylinder block (10) and carburetor (13), on the carburetor (13)
Equipped with aditus laryngis, it is characterised in that: the gas supply assembly includes air accumulator (14), metal catheter (15), pressure maintaining valve (16), appendix
I (17), appendix II, appendix III, air inlet adjustment valve (9), the air accumulator (14) connect with one end of metal catheter (15),
The metal catheter (15), which is equipped with, is bent S-shaped heating and gasifying position (18), the heating and gasifying position (18) and cylinder head
(11) connection is covered, the air inlet of the pressure maintaining valve (16) is connect with the other end of metal catheter (15), the pressure maintaining valve (16)
Gas outlet is connect with one end of appendix I (17), and the air inlet adjustment valve (9) includes ontology (1), the first spindle (2), the second oil
Needle (3), the ontology (1) are equipped with main air intake (4), idling air flue (5) and main air supply duct (6), the main air supply duct (6) and
Main air intake (4) connection, the idling air flue (5) are connected to main air intake (4), and the main air intake (4) is straight, described
Idling air flue (5) is in bending state, and the main air supply duct (6) is straight, and first spindle (2), the second spindle (3) are all logical
It crosses thread connecting mode to be fixedly mounted on ontology (1), one end of first spindle (2) protrudes into the main air supply duct (6), institute
The other end for stating the first spindle (2) is located at ontology (1) outside, passes through first between the main air supply duct (6) and main air intake (4)
Spindle (2) controls connecting degree, and one end of second spindle (3) protrudes into the idling air flue (5), second spindle (3)
The other end to be located at ontology (1) external, pass through the second spindle (3) control company between the idling air flue (5) and main air intake (4)
Logical degree, the other end of the appendix I (17) be connected tos with main air intake (4), the main air supply duct (6) pass through appendix II and
Aditus laryngis connection on carburetor (13), the thermal insulation board (12) are equipped with negative pressure hole, and the idling air flue (5) passes through appendix III
It is connected to negative pressure hole, the negative pressure hole and combustion chamber.
2. oil-gas two-way engine according to claim 1, it is characterised in that: the air accumulator (14) is located at cylinder block (10)
Side, carburetor (13) be located at the other side of cylinder block (10).
3. oil-gas two-way engine according to claim 1, it is characterised in that: the heating and gasifying portion of the metal catheter (15)
Position (18) bending is wave-shaped.
4. oil-gas two-way engine according to claim 1, it is characterised in that: main air intake (4) connection and idling gas
Road (5) is all located at the side of ontology (1), the main air supply duct (6) is located at the other side of ontology (1), the idling air flue (5)
One end is parallel with main air intake (4).
5. oil-gas two-way engine according to claim 1, it is characterised in that: between first spindle (2) and ontology (1)
It is additionally provided with the first spring (7), described first spring (7) one end connect with ontology (1), the first spring (7) other end and the first oil
Needle (2) connection, be additionally provided with second spring (8) between second spindle (3) and ontology (1), described second spring (8) one end and
Ontology (1) connection, second spring (8) other end are connect with the second spindle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185603.1A CN110242442B (en) | 2018-03-07 | 2018-03-07 | Dual-purpose engine of oil gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185603.1A CN110242442B (en) | 2018-03-07 | 2018-03-07 | Dual-purpose engine of oil gas |
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| CN110242442A true CN110242442A (en) | 2019-09-17 |
| CN110242442B CN110242442B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810185603.1A Active CN110242442B (en) | 2018-03-07 | 2018-03-07 | Dual-purpose engine of oil gas |
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| US4407243A (en) * | 1980-08-27 | 1983-10-04 | Honda Motor Co., Ltd. | Air/fuel ratio control system having function of controlling supply of secondary air into intake pipe of internal combustion engine |
| JPS63124854A (en) * | 1986-11-13 | 1988-05-28 | Yamaha Motor Co Ltd | Output control device for gas fuel engine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110242442B (en) | 2024-04-02 |
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