CN112648117A - Low-emission gasoline engine and preparation process thereof - Google Patents
Low-emission gasoline engine and preparation process thereof Download PDFInfo
- Publication number
- CN112648117A CN112648117A CN201910954001.2A CN201910954001A CN112648117A CN 112648117 A CN112648117 A CN 112648117A CN 201910954001 A CN201910954001 A CN 201910954001A CN 112648117 A CN112648117 A CN 112648117A
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- Prior art keywords
- oil tank
- shell
- engine
- gasoline engine
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- 239000003502 gasoline Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 22
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 29
- 238000001746 injection moulding Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000002828 fuel tank Substances 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a low-emission gasoline engine and a preparation process thereof, wherein the low-emission gasoline engine comprises an engine, an oil tank outer shell is fixedly arranged on the outer surface of the top end of the engine through bolts, an oil pipe is connected between the oil tank outer shell and the engine, an oil tank inner shell is welded on the inner surface of the engine, and a reserved cavity is formed between the oil tank outer shell and the oil tank inner shell. According to the low-emission gasoline engine, the inner oil tank shell is arranged inside the outer oil tank shell, double-layer protection can be provided for the use of an oil tank, when the inner oil tank shell is damaged, the outer oil tank shell can play a role in temporary protection, the foam plate is adhered to the inner surface of the outer oil tank shell, the flame retardant is filled between the foam plate and the outer oil tank shell, when high temperature is generated in the oil tank, the foam plate is melted, the flame retardant is mixed with gasoline, the further combustion of the gasoline is prevented, the use safety is improved, the preparation process of the oil tank is simple, and the industrial production is convenient to carry out.
Description
Technical Field
The invention relates to the field of gasoline engines, in particular to a low-emission gasoline engine and a preparation process thereof.
Background
The low-emission gasoline engine is an engine for reducing exhaust emission, but with the development of science and technology, people have higher and higher requirements on the low-emission gasoline engine, so that the traditional low-emission gasoline engine cannot meet the use requirements of people;
the existing low-emission gasoline engine has certain disadvantages in use, (1) and poor safety: when the existing low-emission gasoline engine is used, the oil tank of the gasoline engine is exposed outside, so that the shell of the oil tank is easily damaged by collision, gasoline in the oil tank leaks, and certain potential safety hazard is brought; (2) and whether the oil tank is damaged or not can not be detected: when the existing oil tank for the low-emission gasoline engine is used, if the inside of the oil tank is damaged, gasoline is leaked, but the gasoline cannot be found in the first time, so that the gasoline in the oil tank is further leaked, and greater potential safety hazards are brought.
Disclosure of Invention
The invention mainly aims to provide a low-emission gasoline engine and a preparation process thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a low emission gasoline engine, comprising:
the engine is characterized in that an oil tank shell is fixedly mounted on the outer surface of the top end of the engine through bolts, and an oil pipe is connected between the oil tank shell and the engine;
the oil tank inner shell is welded on the inner surface of the engine, and a reserved cavity is formed between the oil tank outer shell and the oil tank inner shell;
the second buffer net and the first buffer net are bonded on the inner surface of the inner shell of the oil tank close to the top end, and the first buffer net is bonded on the inner surface of the inner shell of the oil tank close to the bottom end;
detect the box, it sets up to be close to between a buffering net and No. two buffering nets at the surface of oil tank shell to detect the box, and detects the internal surface of box and seted up the detection chamber, the position that the internal surface that detects the chamber is close to the oil tank shell is equipped with the ring, and the internal surface bonding of ring has the rubber membrane, the internal surface that the oil tank shell was kept away from in the detection chamber has pressure sensor through bolt fixed mounting.
Preferably, the top surface of the oil tank shell is bonded with an oil tank port, the inner surface of the oil tank port is movably connected with an oil tank cover through threads, and the oil tank cover is in a regular hexagon shape.
Preferably, a button battery is fixedly mounted on the inner surface of the pressure sensor, a wire is arranged between the button battery and the pressure sensor, the input end of the pressure sensor is electrically connected with the output end of the button battery through the wire, and a valve core is mounted at a position, close to the oil tank shell, of the outer surface of the detection box.
Preferably, the outer surface of the oil tank shell is provided with a plurality of through holes in a penetrating manner at a position close to the detection cavity, and the oil tank shell consists of an upper cover and a lower cover.
Preferably, the foam board is bonded to the inner surface of the reserved cavity, a filling cavity is formed between the foam board and the oil tank shell, and a fire retardant is arranged inside the filling cavity.
Preferably, the preparation process of the low-emission gasoline engine is characterized in that: the method comprises the following steps:
firstly, obtaining an oil tank inner shell, an upper cover and a lower cover through injection molding, then adhering a foam plate in the inner surfaces of the upper cover and the lower cover, and finally sleeving the upper cover and the lower cover on the outer surface of the oil tank inner shell and adhering;
after the bonding in the step I, a through hole is formed in the outer surface of the oil tank shell in a penetrating mode, a detection box is bonded at a position close to the through hole, after the bonding, the valve core is vacuumized, and the oil tank is assembled;
and (III) after the oil tank is assembled, fixing the oil tank shell on the outer surface of the top end of the engine through a bolt, and then connecting the oil tank shell with the engine through an oil pipe to complete the installation of the gasoline engine.
Preferably, in the step (i), when the foam board is bonded to the upper and lower covers, the flame retardant is poured into the inner surfaces of the upper and lower covers, and then the foam board is bonded to the inner surfaces of the upper and lower covers.
Preferably, in the step (ii), the mounting of the cartridge comprises the steps of:
firstly, injection molding by using an injection molding machine to obtain a detection box, and then fixedly installing a pressure sensor and a button battery in the detection box through bolts;
secondly, after the pressure sensor is installed, adhering a circular ring on the inner surface of the detection box far away from the pressure sensor, and adhering a rubber film on the inner surface of the circular ring to obtain a finished product of the detection box.
Compared with the prior art, the invention has the following beneficial effects:
1. the oil tank inner shell is arranged in the oil tank outer shell, so that double-layer protection can be provided for the use of the oil tank, when the oil tank inner shell is damaged, the oil tank outer shell can play a role in temporary protection, and the use safety of the oil tank is improved;
2. the foam plate is adhered to the inner surface of the oil tank shell, and the flame retardant is filled between the foam plate and the oil tank shell, so that when high temperature is generated in the oil tank, the foam plate is melted, the flame retardant is mixed with gasoline, further combustion of the gasoline is prevented, and the use safety is improved;
3. the detection box is adhered to the outer surface of the outer shell of the oil tank, the space between the outer shell of the oil tank and the inner shell of the oil tank is vacuumized, so that the air pressure between the outer shell of the oil tank and the inner shell of the oil tank is reduced, when the inner shell of the oil tank is damaged, gasoline and air in the oil tank enter the space between the inner shell of the oil tank and the outer shell of the oil tank together, so that the air pressure between the inner shell of the oil tank and the outer shell of the oil tank is increased, the rubber membrane is contracted, the pressure detected by the pressure sensor is increased;
4. the outer temperature and the inner temperature of the oil tank are isolated by vacuumizing between the outer shell and the inner shell of the oil tank, so that the overhigh inner temperature of the oil tank is avoided;
5. the pressure sensor is separated from the reserved cavity by using the rubber membrane, so that the gasoline can be prevented from being ignited by an internal circuit of the pressure sensor;
6. the preparation technology of the oil tank is simple, the industrial production is convenient to carry out, and meanwhile, the use safety of the oil tank can be greatly improved.
Drawings
FIG. 1 is a top view of the overall structure of a low emission gasoline engine of the present invention;
FIG. 2 is a front view of the overall structure of a low emission gasoline engine of the present invention;
FIG. 3 is a cross-sectional view of the outer casing and the inner casing of the oil tank of the low-emission gasoline engine of the present invention;
FIG. 4 is a partial cross-sectional view of a detection cartridge in a low emission gasoline engine of the present invention;
FIG. 5 is a flow chart of a preparation process of the low-emission gasoline engine of the present invention.
In the figure: 1. an engine; 2. a fuel tank housing; 3. an oil tank inner shell; 4. an oil tank port; 5. a fuel tank cap; 6. a first buffer network; 7. a second buffer network; 8. a detection cartridge; 9. reserving a cavity; 10. a detection chamber; 11. a pressure sensor; 12. a rubber film; 13. a foam board.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 4, a low emission gasoline engine includes:
an oil tank shell 2 is fixedly installed on the outer surface of the top end of the engine 1 through bolts, and an oil pipe is connected between the oil tank shell 2 and the engine 1;
the oil tank inner shell 3 is welded on the inner surface of the engine 1, and a reserved cavity 9 is formed between the oil tank outer shell 2 and the oil tank inner shell 3;
the second buffer net 7 and the first buffer net 6 are bonded, the second buffer net 7 is bonded on the inner surface of the inner oil tank shell 3 close to the top end, and the first buffer net 6 is bonded on the inner surface of the inner oil tank shell 3 close to the bottom end;
detect box 8, detect box 8 and set up and be close to between No. one buffering net 6 and No. two buffering nets 7 at the surface of oil tank shell 2, and detect box 8's internal surface and seted up detection chamber 10, the position that the internal surface that detects chamber 10 is close to oil tank shell 2 is equipped with the ring, and the internal surface bonding of ring has rubber membrane 12, and the internal surface that detects chamber 10 and keep away from oil tank shell 2 has pressure sensor 11 through bolt fixed mounting.
Referring to fig. 1 to 3, an oil tank port 4 is adhered to an outer surface of a top end of an oil tank housing 2, an oil tank cap 5 is movably connected to an inner surface of the oil tank port 4 through a screw, and the oil tank cap 5 is in a regular hexagon shape.
Referring to fig. 4, a button cell is fixedly mounted on the inner surface of the pressure sensor 11, a lead is arranged between the button cell and the pressure sensor 11, the input end of the pressure sensor 11 is electrically connected with the output end of the button cell through the lead, and a valve core is mounted on the outer surface of the detection box 8 close to the oil tank shell 2.
Referring to fig. 4, a plurality of through holes are formed through the outer surface of the fuel tank housing 2 at positions close to the detection cavity 10, and the fuel tank housing 2 is composed of an upper cover and a lower cover.
Referring to fig. 4, a foam board 13 is bonded to the inner surface of the reserved cavity 9, a filling cavity is formed between the foam board 13 and the oil tank shell 2, and a fire retardant is arranged inside the filling cavity.
Referring to fig. 5, a preparation process of a low-emission gasoline engine is characterized in that: the method comprises the following steps:
firstly, obtaining an oil tank inner shell 3, an upper cover and a lower cover through injection molding, then bonding a foam plate 13 in the inner surfaces of the upper cover and the lower cover, finally sleeving the upper cover and the lower cover on the outer surface of the oil tank inner shell 3, bonding the upper cover and the lower cover, and when bonding the foam plate 13 with the upper cover and the lower cover, firstly pouring a flame retardant into the inner surfaces of the upper cover and the lower cover, and then bonding the foam plate 13 into the inner surfaces of the upper cover and the lower cover;
II, through step I bonding back, run through at the surface of oil tank shell 2 and set up the through-hole to bond in the position that is close to the through-hole and detect box 8, through the valve inside evacuation after bonding, the oil tank equipment is accomplished, and the installation that detects box 8 includes following steps:
firstly, injection molding by using an injection molding machine to obtain a detection box 8, and then fixedly installing a pressure sensor 11 and a button battery in the detection box 8 through bolts;
secondly, after the pressure sensor 11 is installed, adhering a circular ring on the inner surface of the detection box 8 far away from the pressure sensor 11, and adhering a rubber film 12 on the inner surface of the circular ring to obtain a finished product of the detection box 8;
III, after the oil tank is assembled, the oil tank shell 2 is fixed on the outer surface of the top end of the engine 1 through bolts, and then the oil tank shell 2 is connected with the engine 1 through an oil pipe to complete the installation of the gasoline engine.
During the use, manual rotatory fuel tank cap 5 earlier for fuel tank cap 5 and the separation of fuel tank port 4, later petrol is poured into oil tank inner shell 3 from fuel tank port 4, petrol adds and accomplishes the back, manual rotatory fuel tank cap 5 again, install fuel tank cap 5 on fuel tank port 4, accomplish the interpolation of petrol, through set up between oil tank outer shell 2 and oil tank inner shell 3 and reserve chamber 9, and the evacuation, can keep apart ambient temperature and the inside temperature of oil tank, avoid the inside high temperature of oil tank.
When the gasoline engine is moved and used, the gasoline method in the oil tank shakes, the gasoline in the shaking process continuously passes through the buffering net, when the buffering net is passed, the buffering net is impacted, the buffering is continuously reduced for the gasoline, the shaking amplitude of the gasoline is reduced, and the gasoline can be prevented from impacting the oil tank.
Receive when the collision takes place to damage when oil tank shell 2, petrol is wrapped up by oil tank inner shell 3, make petrol unable outflow, simultaneously, outside air enters into between oil tank shell 2 and the oil tank inner shell 3 through the position of damage, make the inside atmospheric pressure of reservation chamber 9 rise, rubber membrane 12 takes place the shrink under the effect of self elasticity, in the time of the shrink, the space that detects 10 insides reduces, atmospheric pressure increases, the pressure that pressure sensor 11 detected risees, when pressure risees to the certain extent, send out the police dispatch newspaper, remind the user, improve the security that the oil tank used.
When oil tank inner shell 3 takes place to damage, the inside petrol of oil tank enters into between oil tank inner shell 3 and the oil tank shell 2 together with the inside air of oil tank, make the atmospheric pressure between oil tank inner shell 3 and the oil tank shell 2 rise, rubber membrane 12 shrink, the pressure that pressure sensor 11 detected risees, when pressure risees to the certain extent, send out the police dispatch newspaper, remind the user, simultaneously when the inside high temperature or the burning that produces of oil tank, heat cystosepiment 13, make cystosepiment 13 melt, fire retardant between cystosepiment 13 and the oil tank shell 2 enters into and reserves chamber 9, at last with entering into the inside petrol of reserving chamber 9 and mixing, prevent that petrol from further burning, and the use safety is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A low emission gasoline engine, comprising:
the engine comprises an engine (1), wherein an oil tank shell (2) is fixedly mounted on the outer surface of the top end of the engine (1) through bolts, and an oil pipe is connected between the oil tank shell (2) and the engine (1);
the oil tank inner shell (3) is welded on the inner surface of the engine (1), and a reserved cavity (9) is formed between the oil tank outer shell (2) and the oil tank inner shell (3);
the buffer net structure comprises a second buffer net (7) and a first buffer net (6), wherein the second buffer net (7) is bonded on the inner surface of the inner oil tank shell (3) close to the top end, and the first buffer net (6) is bonded on the inner surface of the inner oil tank shell (3) close to the bottom end;
detect box (8), detect box (8) and set up and be close to between buffer net (6) and No. two buffer nets (7) at the surface of oil tank shell (2), and the internal surface that detects box (8) has seted up and has detected chamber (10), the position that the internal surface that detects chamber (10) is close to oil tank shell (2) is equipped with the ring, and the internal surface bonding of ring has rubber membrane (12), the internal surface that detects chamber (10) and keep away from oil tank shell (2) has pressure sensor (11) through bolt fixed mounting.
2. The low-emission gasoline engine as defined in claim 1, wherein: the top surface bonding of oil tank shell (2) has oil tank port (4), and the internal surface of oil tank port (4) has oil tank cap (5) through screw thread swing joint, the shape of oil tank cap (5) is regular hexagon.
3. The low-emission gasoline engine as defined in claim 1, wherein: the button cell is fixedly mounted on the inner surface of the pressure sensor (11), a wire is arranged between the button cell and the pressure sensor (11), the input end of the pressure sensor (11) is electrically connected with the output end of the button cell through the wire, and the valve core is mounted at the position, close to the oil tank shell (2), of the outer surface of the detection box (8).
4. The low-emission gasoline engine as defined in claim 1, wherein: the outer surface of the oil tank shell (2) is close to the position of the detection cavity (10) and penetrates through the detection cavity to form a plurality of through holes, and the oil tank shell (2) is composed of an upper cover and a lower cover.
5. The low-emission gasoline engine as defined in claim 1, wherein: the inner surface of the reserved cavity (9) is bonded with a foam board (13), a filling cavity is formed between the foam board (13) and the oil tank shell (2), and a flame retardant is arranged inside the filling cavity.
6. A preparation process of a low-emission gasoline engine is characterized by comprising the following steps: the method comprises the following steps:
firstly, obtaining an oil tank inner shell (3), an upper cover and a lower cover through injection molding, then adhering a foam plate (13) in the inner surfaces of the upper cover and the lower cover, and finally sleeving the upper cover and the lower cover on the outer surface of the oil tank inner shell (3) and adhering;
after the bonding in the step (I), a through hole is formed in the outer surface of the oil tank shell (2) in a penetrating mode, a detection box (8) is bonded at a position close to the through hole, after bonding, the valve core is vacuumized, and the oil tank is assembled;
(III) after the oil tank is assembled, fixing the oil tank shell (2) on the outer surface of the top end of the engine (1) through bolts, and then connecting the oil tank shell (2) with the engine (1) through an oil pipe to complete the installation of the gasoline engine.
7. The preparation process of the low-emission gasoline engine according to claim 6, wherein the preparation process comprises the following steps: in the step (I), when the foam board (13) is bonded with the upper cover and the lower cover, the flame retardant is poured into the inner surfaces of the upper cover and the lower cover, and then the foam board (13) is bonded into the inner surfaces of the upper cover and the lower cover.
8. The preparation process of the low-emission gasoline engine according to claim 6, wherein the preparation process comprises the following steps: in the step (II), the installation of the detection box (8) comprises the following steps:
firstly, obtaining a detection box (8) by using an injection molding machine, and then fixedly installing a pressure sensor (11) and a button battery in the detection box (8) through bolts;
secondly, after the pressure sensor (11) is installed, adhering a circular ring to the inner surface of the detection box (8) far away from the pressure sensor (11), and adhering a rubber film (12) to the inner surface of the circular ring to obtain a finished product of the detection box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954001.2A CN112648117A (en) | 2019-10-09 | 2019-10-09 | Low-emission gasoline engine and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954001.2A CN112648117A (en) | 2019-10-09 | 2019-10-09 | Low-emission gasoline engine and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112648117A true CN112648117A (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910954001.2A Pending CN112648117A (en) | 2019-10-09 | 2019-10-09 | Low-emission gasoline engine and preparation process thereof |
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| CN (1) | CN112648117A (en) |
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2019
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Application publication date: 20210413 |