CN201334957Y - Helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm - Google Patents
Helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm Download PDFInfo
- Publication number
- CN201334957Y CN201334957Y CNU2008202394031U CN200820239403U CN201334957Y CN 201334957 Y CN201334957 Y CN 201334957Y CN U2008202394031 U CNU2008202394031 U CN U2008202394031U CN 200820239403 U CN200820239403 U CN 200820239403U CN 201334957 Y CN201334957 Y CN 201334957Y
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- China
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- cylinder
- distance
- volute
- air flue
- helical
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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
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm, which is characterized in that the helical air inlet channel consists of an air channel inlet, a helical room and a helical room outlet. The distance between the center of the helical room and the y coordinate of the centre line of a cylinder is 7 to 9 cm; the distance between the center of the helical room and the x abscissa of the center line of the cylinder is 23 to 25 mm; the distance between the end surface of the air channel inlet and the y coordinate of the center line of the cylinder is 103 to 107; the distance between the center line of the end surface of the air channel inlet and the x abscissa is 29.5 to 31.5 mm. By adopting the stereo helical air inlet channel, the airflow inside the cylinder with the swirl rate of 1.5 and the flow coefficient of 0.44 is generated, so that the air is mixed with fuel completely.
Description
Technical field
It is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine that the utility model relates to a kind of cylinder diameter that is applicable to.
Background technique
At present, the Europe III discharging type of exploitation φ 102mm cylinder diameter, the inlet duct flow flow coefficient of supercharging type has only 0.40, and swirl rate 2.2 is too high, is not suitable for Europe III discharging type.
Summary of the invention
The purpose of this utility model provides that a kind of swirl rate is 1.5, flow coefficient is that 0.44 the cylinder diameter that is applicable to is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine.
The technical solution adopted in the utility model is as follows:
Be applicable to that cylinder diameter is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine, described spiral inlet duct is by air flue import, volute, volute export mixes, the volute center is 7～9mm to the distance of cylinder centerline y coordinate y, and the volute center is 24～26mm to the distance of cylinder centerline y coordinate x; The air flue inlet end face is to the distance 103～107 of cylinder centerline y coordinate y, and the air flue inlet end face is 29.5～31.5mm to the distance of cylinder centerline abscissa x.Described volute is combined by the three-dimensional circular arc R 1 of tangent multistage, R2, R3, R4, R5, R6, R7, R8, and R1 is 1～3mm, and R2 is 19.8～20.7mm, R3 is 2～4mm, and R4 is 17～19mm, and R5 is 22～24mm, R6 is 32～36mm, and R7 is 68～72mm, and R8 is 118～122mm.Be provided with the conduit boss in the described volute, the end face of conduit boss is 35～39mm to the distance of cylinder head bottom surface, and air flue import center is to the distance 48～52mm of air flue exit end face.Described volute outlet diameter is 40～41.5mm; Described air flue inlet height is 50～54mm, and described air flue entrance width is 43～47mm.
Adopt that above-mentioned Three-Dimensional Spiral Inlet can produce that swirl rate is 2.2, flow coefficient is 0.40 air-flow, and air fully mixes with fuel oil.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model other direction.
Fig. 3 is a three-dimensional structure diagram of the present utility model.
Embodiment
Referring to Fig. 1,2,3, be provided with Three-Dimensional Spiral Inlet in the diesel engine, diesel engines also is provided with cylinder 4, spiral inlet duct is made of air flue import 1, volute 2, volute outlet 3, volute 2 centers are 7～9mm to the distance A of cylinder 4 center line y coordinate y, and volute 2 centers are 23～25mm to cylinder 4 center line y coordinate x's apart from B; Air flue import 1 end face is 103～107mm to the distance C of cylinder 4 center line y coordinate y, air flue import 1 end face is 29.5～31.5mm to the distance D of cylinder 4 center line abscissa x, volute 2 is by the three-dimensional circular arc R 1 of tangent multistage, R2, R3, R4, R5, R6, R7, R8 combines, R1 is 1～3mm, R2 is 19.8～20.7mm, R3 is 2～4mm, R4 is 17～19mm, R5 is 22～24mm, R6 is 32～36mm, R7 is 68～72mm, R8 is 118～122mm, is provided with conduit boss 5 in the volute 2, and the end face of conduit boss 5 is 35～39mm to the cylinder head bottom surface apart from E, what air flue import 1 center exported 3 end faces to volute is 48～52mm apart from F, and it is 40～41.5mm that volute exports 3 diameters; Air flue import 1 height H is 50～54mm, and air flue import 1 width M is 43～47mm.
Make formpiston by the intake duct design drawing with timber, become the test box blank with resin-cast again, processing, assembling valve seat, the laggard promoting the circulation of qi of valve road performance are repaiied examination.After repairing examination, become formpiston with resin-cast again.With the smart casting of formpiston or CAM processing after being scanned into 3-D graphic, all can be made into the intake duct casting mould, this spiral inlet duct is cast in the cylinder cover for diesel engine, reduced diesel engine maximum torque point fuel oil consumption and smoke intensity after the installation.Spiral inlet duct is made test box with resin,, on test box, spiral section channel entrance position and size are adjusted, revised guaranteeing that its physical dimension satisfies under the prerequisite of usage requirement, and swirl rate after the test modifications and flow coefficient.Need the problem of flow greatly at diesel engine, flow coefficient is brought up to 0.44, swirl rate adjusts to 1.5.
Claims (4)
1. be applicable to that cylinder diameter is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine, it is characterized in that: described spiral inlet duct is by air flue import, volute, volute export mixes, the volute center is 7～9mm to the distance of cylinder centerline y coordinate y, and the volute center is 24～26mm to the distance of cylinder centerline abscissa x; The air flue inlet end face is to the distance 103～107 of cylinder centerline y coordinate y, and air flue inlet end face center line is 29.5～31.5mm to the distance of cylinder centerline abscissa x.
2. the cylinder diameter that is applicable to according to claim 1 is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine, it is characterized in that: described volute is combined by the three-dimensional circular arc R 1 of tangent multistage, R2, R3, R4, R5, R6, R7, R8, R1 is 1～3mm, R2 is 19.8～20.7mm, and R3 is 2～4mm, and R4 is 17～19mm, R5 is 22～24mm, R6 is 32～36mm, and R7 is 68～72mm, and R8 is 148～152mm.
3. the cylinder diameter that is applicable to according to claim 1 is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine, it is characterized in that: be provided with the conduit boss in the described volute, the end face of conduit boss is 35～39mm to the distance of cylinder head bottom surface, and air flue import center is to the distance 48～52mm of volute exit end face.
4. the cylinder diameter that is applicable to according to claim 1 is the spiral inlet duct of Φ 102mm pressure-increasing machine diesel engine, and it is characterized in that: described volute outlet diameter is 40～41.5mm; Described air flue inlet height is 50～54mm, and described air flue entrance width is 43～47mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202394031U CN201334957Y (en) | 2008-12-31 | 2008-12-31 | Helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202394031U CN201334957Y (en) | 2008-12-31 | 2008-12-31 | Helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201334957Y true CN201334957Y (en) | 2009-10-28 |
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ID=41286607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202394031U Expired - Fee Related CN201334957Y (en) | 2008-12-31 | 2008-12-31 | Helical air inlet channel suitable for supercharger-type diesel with cylinder diameter of Phi 102mm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201334957Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008537A (en) * | 2012-11-27 | 2013-04-03 | 天长缸盖有限公司 | Helical air inlet channel processing method of cooling supercharged diesel engine |
-
2008
- 2008-12-31 CN CNU2008202394031U patent/CN201334957Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008537A (en) * | 2012-11-27 | 2013-04-03 | 天长缸盖有限公司 | Helical air inlet channel processing method of cooling supercharged diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20131231 |