CN209195569U - A kind of arragement construction, engine and the automobile of air intake duct and fuel injector - Google Patents
A kind of arragement construction, engine and the automobile of air intake duct and fuel injector Download PDFInfo
- Publication number
- CN209195569U CN209195569U CN201822252382.3U CN201822252382U CN209195569U CN 209195569 U CN209195569 U CN 209195569U CN 201822252382 U CN201822252382 U CN 201822252382U CN 209195569 U CN209195569 U CN 209195569U
- Authority
- CN
- China
- Prior art keywords
- air intake
- intake duct
- fuel injector
- air
- oily beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses the arragement constructions of a kind of air intake duct and fuel injector, including two air intake ducts, the air intake duct top surface is equipped with air induction conduit, the inlet valve being connected to air intake duct is equipped in air induction conduit, air intake duct one end is connect by air flue aditus laryngis with gas inlet seat ring, gas inlet seat ring is connect with cylinder cap, other end interconnection, it further include fuel injector, the fuel injector is set to above two air intake duct cross-connection points, its delivery outlet is respectively to the oily beam of two intake port injections first and the second oily beam, fuel injector delivery outlet is 60 ~ 70mm at a distance from inlet valve center line, the oily beam cone angle of described first oily beam and the second oily beam is 10 ~ 20 °.It can be avoided airway Humidification wall and reduces the wet wall thickness of valve, improves in-cylinder tumble flow movement, improves the mixed process of gaseous mixture, reduce oil consumption, it is granular material discharged to reduce PN.The invention also discloses a kind of engine and automobiles.
Description
Technical field
The utility model relates to automobile engines, and in particular to the air intake duct of gas-duct jetting engine a kind of and fuel injector
Arragement construction, engine and automobile.
Background technique
Gas-duct jetting is directly sprayed onto fuel oil in air intake duct and inlet valve wall surface and air intake duct.For being cold-started and warming up
Machine operating condition, due to air intake duct and inlet valve wall surface temperature is lower and EFI uses valve closing, enriching strategy, the oil spout of fuel injector
Oily Shu Rongyi drenches air intake duct and inlet valve wall surface, to be formed compared with heavy oil film, when IO Intake Valve Opens, the oil film is in air-flow
Larger oil droplet is formed under release effect to enter in cylinder, this will cause in cylinder gaseous mixture uniformity poor and the wet wall of fuel oil,
And then lead to engine fuel economy difference and the granular material discharged higher problem of PN.
Summary of the invention
The purpose of the utility model is to provide the arragement constructions of a kind of air intake duct and fuel injector, can be avoided airway Humidification wall
And the wet wall thickness of valve is reduced, in-cylinder tumble flow movement is improved, the mixed process of gaseous mixture is improved, reduces oil consumption, reduces PN particle
Object discharge.
The arragement construction of air intake duct and fuel injector described in the utility model, including two air intake ducts, the air intake duct top
Face is equipped with air induction conduit, is equipped with inlet valve be connected to air intake duct in air induction conduit, air intake duct one end by air flue aditus laryngis and into
The connection of gas seat ring, gas inlet seat ring are connect with cylinder cap, and other end interconnection further includes fuel injector, and the fuel injector is set to two
Above air intake duct cross-connection point, for delivery outlet respectively to the oily beam of two intake port injections first and the second oily beam, fuel injector is defeated
Outlet is 60 ~ 70mm with inlet valve center line distance L, and the oily beam cone angle beta of the first oil beam and the second oily beam is 10 ~ 20 °.
Further, the center line of the described first oily beam is parallel with the ridge area outer contour of air intake duct that the oil beam passes through；
The center line of described second oily beam is parallel with the ridge area outer contour of air intake duct that the oil beam passes through.
Further, the sum of height of the air flue aditus laryngis and gas inlet seat ring is 6 ~ 8mm.
Further, the air intake duct is straight air flue.
A kind of engine, including engine cylinder body, the engine cylinder body have the cloth of above-mentioned air intake duct and fuel injector
Set structure.
A kind of automobile, the automobile include above-mentioned engine.
The utility model has the following beneficial effects: compared with prior art
1, the utility model exports to the distance of inlet valve center line as 60 ~ 70mm by limiting fuel injector, and is arranged and closes
The oily beam cone angle of reason, the oil beam cone angle are 10 ~ 20 °, i.e., under the premise of avoiding oily beam from striking air intake duct wall surface, use is larger
Oily beam cone angle reduce inlet valve oil film thickness to ensure that the impact area of oily beam and inlet valve is larger, improve PN
The discharge of particulate matter.
2, the utility model is 6 ~ 8mm by the sum of the height for limiting gas inlet seat ring and air flue aditus laryngis, and air-flow is promoted to the greatest extent may be used
It can directly be flowed into cylinder from air intake duct, enhancing in-cylinder tumble flow movement improves air-fuel mixture process in cylinder, avoids airway Humidification
Wall reduces oil consumption, reduces the discharge of pollutant.
3, the utility model structure is simple, easy to implement.
Detailed description of the invention
Fig. 1 is the side view of the air intake duct of the utility model and the arragement construction of fuel injector；
Fig. 2 is the top view of the air intake duct of the utility model and the arragement construction of fuel injector；
Fig. 3 is the high-level schematic of the utility model gas inlet seat ring and air flue aditus laryngis.
In figure, 1-air intake duct, 2-fuel injectors, the 3-the first oily beam, the 4-the second oily beam, 5-inlet valves, 6-air flue larynxs
Mouthful, 7-gas inlet seat rings, 8-cylinder caps；The center line of the oily beam of a-first, the center line of the oily beam of b-second, H1-gas inlet seat ring
Highly, H2-air flue throat height, the sum of H-gas inlet seat ring and the height of air flue aditus laryngis, L-fuel injector delivery outlet and inlet valve
The distance of center line, β-oil beam cone angle.
Specific embodiment
It elaborates with reference to the accompanying drawing to the utility model.
Referring to Fig. 1 and Fig. 2, the arragement construction of air intake duct and fuel injector shown in, including two air intake ducts 1, the air intake duct 1
For straight air flue, 1 top surface of air intake duct is equipped with air induction conduit, is equipped with the inlet valve 5 being connected to air intake duct 1 in air induction conduit, into
1 one end of air flue is connect by air flue aditus laryngis 6 with gas inlet seat ring 7, and gas inlet seat ring 7 is connect with cylinder cap 8, other end interconnection, also
Including fuel injector 2, the fuel injector 2 is set to above two 1 cross-connection points of air intake duct, and delivery outlet is respectively to two air intake ducts
1 the first oily beam 3 of injection and the second oily beam 4,1 delivery outlet of fuel injector and 5 center line distance L of inlet valve are 60 ~ 70mm, described the
The oily beam cone angle beta of one oily beam 3 and the second oily beam 4 is 10 ~ 20 °, and the oily beam that 2 delivery outlet of fuel injector sprays is in cone, the cone
Vertex is fuel injector delivery outlet, and oily beam cone angle beta correspondingly is the cone angle of the cone, and cone angle refers to the two of the shaft section of circular cone
Angle between bus, shaft section are the section by the axis of circular cone.By the way that reasonable L value and β value is arranged, that is, avoiding oily beam
Under the premise of striking 1 wall surface of air intake duct, using biggish oily beam cone angle beta, to ensure that the striking face of oily beam Yu inlet valve 5
Product is larger, reduces 5 oil film thickness of inlet valve, improves the discharge of PN particulate matter.
The center line a of described first oily beam is parallel with the ridge area outer contour AB of air intake duct that the oil beam passes through；It is described
The center line b of second oily beam is parallel with the ridge area outer contour CD of air intake duct that the oil beam passes through.It is arranged in parallel maximumlly
Increase by 5 contact area of inlet valve of the first oily beam 3 and the second oily beam 4 and corresponding air intake duct 1, the oil film for reducing inlet valve 5 is thick
Degree.
Referring to Fig. 3, the sum of height of the air flue aditus laryngis and gas inlet seat ring H is 6 ~ 8mm, and the value of H passes through gas inlet seat ring height
Degree H1 is directly added with air flue throat height H2.The sum of height by using lesser gas inlet seat ring and air flue aditus laryngis H, promotes
Air-flow directly flows into cylinder from air intake duct 1 as far as possible, and enhancing in-cylinder tumble flow movement improves air-fuel mixture process in cylinder, avoids
Airway Humidification wall, reduces oil consumption, reduces the discharge of pollutant.
A kind of engine, including engine cylinder body, the engine cylinder body have the cloth of above-mentioned air intake duct and fuel injector
Set structure.
Claims (6)
1. the arragement construction of a kind of air intake duct and fuel injector, including two air intake ducts (1), air intake duct (1) top surface be equipped with into
Airway, air induction conduit is interior to be equipped with the inlet valve (5) being connected to air intake duct (1), and air intake duct (1) one end passes through air flue aditus laryngis (6)
It is connect with gas inlet seat ring (7), gas inlet seat ring (7) is connect with cylinder cap (8), other end interconnection, it is characterised in that: further include spray
Oily device (2), the fuel injector (2) are set on two air intake duct (1) cross-connection points, and delivery outlet is respectively to two air intake ducts
(1) the oily beam (3) of injection first and the second oily beam (4), fuel injector (2) delivery outlet and inlet valve (5) center line distance L for 60 ~
The oily beam cone angle beta of 70mm, the described first oily beam (3) and the second oily beam (4) is 10 ~ 20 °.
2. the arragement construction of air intake duct according to claim 1 and fuel injector, it is characterised in that: in the described first oily beam
Heart line a is parallel with the ridge area outer contour AB of air intake duct that the oil beam passes through；
The center line b of described second oily beam is parallel with the ridge area outer contour CD of air intake duct that the oil beam passes through.
3. the arragement construction of air intake duct according to claim 1 or 2 and fuel injector, it is characterised in that: the air flue aditus laryngis
(6) and the sum of the height of gas inlet seat ring (7) is 6 ~ 8mm.
4. the arragement construction of air intake duct according to claim 1 or 2 and fuel injector, it is characterised in that: the air intake duct is
Straight air flue.
5. a kind of engine, including engine cylinder body, it is characterised in that: the engine cylinder body has claim 1 ~ 4 any
The arragement construction of air intake duct and fuel injector described in.
6. a kind of automobile, it is characterised in that: the automobile includes engine described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252382.3U CN209195569U (en) | 2018-12-29 | 2018-12-29 | A kind of arragement construction, engine and the automobile of air intake duct and fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252382.3U CN209195569U (en) | 2018-12-29 | 2018-12-29 | A kind of arragement construction, engine and the automobile of air intake duct and fuel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195569U true CN209195569U (en) | 2019-08-02 |
Family
ID=67430784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252382.3U Active CN209195569U (en) | 2018-12-29 | 2018-12-29 | A kind of arragement construction, engine and the automobile of air intake duct and fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163360A (en) * | 2022-05-31 | 2022-10-11 | 中国北方发动机研究所(天津) | Heavy oil air flue jet flow mixing device |
| CN115182825A (en) * | 2022-08-22 | 2022-10-14 | 浙江吉利控股集团有限公司 | Methanol engine and vehicle |
-
2018
- 2018-12-29 CN CN201822252382.3U patent/CN209195569U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163360A (en) * | 2022-05-31 | 2022-10-11 | 中国北方发动机研究所(天津) | Heavy oil air flue jet flow mixing device |
| CN115182825A (en) * | 2022-08-22 | 2022-10-14 | 浙江吉利控股集团有限公司 | Methanol engine and vehicle |
| CN115182825B (en) * | 2022-08-22 | 2024-01-09 | 浙江吉利控股集团有限公司 | Methanol engine and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209195569U (en) | A kind of arragement construction, engine and the automobile of air intake duct and fuel injector | |
| CN205744119U (en) | A kind of inlet structure of direct spray petrol engine in cylinder | |
| CN209212376U (en) | Supercharged direct-injection engine air intake duct | |
| CN103485944B (en) | Dual-fuel diesel engine gas supply system | |
| CN101260844A (en) | Petrol engine intake duct | |
| CN202520432U (en) | Air passage structure of cylinder cover | |
| CN102996287B (en) | Oil saving accelerator | |
| CN204591503U (en) | Direct spray petrol engine in cylinder cylinder | |
| CN203404000U (en) | Fuel gas supplying system of double-fuel diesel engine | |
| CN207960801U (en) | A kind of egr system with by-passing valve | |
| CN203856596U (en) | High tumble admission passage of direct injection gasoline engine | |
| CN207437194U (en) | A kind of directly spraying petrol engine combustion camber in cylinder | |
| CN100389250C (en) | Inlet guider of IC engine and IC engine therewith | |
| CN205423002U (en) | Novel car air supply device | |
| CN205330827U (en) | Gas and EGR mix directly system of spouting | |
| CN203488285U (en) | Air inlet pipe and engine with air inlet pipe | |
| CN208564816U (en) | A kind of intake manifold assembly | |
| CN202883180U (en) | Air inlet structure of supercharged engine | |
| CN203248266U (en) | Gasoline engine cylinder head assembly | |
| CN102787936A (en) | Low-swirl-rate spiral air inlet passage of diesel | |
| CN207728452U (en) | A kind of oxygenation supercharging mixed flow air intake structure of cylinder cap of single-cylinder diesel engine | |
| CN206816412U (en) | A kind of gaseous fuel engine charge pipe-line system | |
| CN2906088Y (en) | Improved diesel engine 4125 cylinder cover assembly | |
| CN205559105U (en) | Novel regulation and control of gas engine gas delivery device | |
| CN207598403U (en) | A kind of nozzle arrangements for methanol engine single point injection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |