CN201386596Y - Spiral air inlet channel applicable to diesel engine with cylinder diameter of phi 138mm - Google Patents
Spiral air inlet channel applicable to diesel engine with cylinder diameter of phi 138mm Download PDFInfo
- Publication number
- CN201386596Y CN201386596Y CN200820239409U CN200820239409U CN201386596Y CN 201386596 Y CN201386596 Y CN 201386596Y CN 200820239409 U CN200820239409 U CN 200820239409U CN 200820239409 U CN200820239409 U CN 200820239409U CN 201386596 Y CN201386596 Y CN 201386596Y
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- cylinder
- volute
- distance
- diesel engine
- air
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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 spiral air inlet channel applicable to a diesel engine with the cylinder diameter of phi 138mm, which is characterized by comprising an air channel inlet, a spiral chamber and a spiral chamber outlet, wherein the distance between the center of the spiral chamber and the ordinate y of a centre line of an air cylinder is 10.5-12.5mm; the distance between the center of the spiral chamber and the abscissa x of the centre line of the air cylinder is 33.2-35.2mm; the distance between the end surface of the air channel inlet and the ordinate y of the centre line of the air cylinder is 107-109mm; and the centre line of the end surface of the air channel inlet and the abscissa x of the centre line of the air cylinder is 30.5-32.5mm. By adopting the three-dimensional spiral air inlet channel, the air flow with the swirl rate of 1.8 and the flow coefficient of 0.37 can be generated in the cylinder, and air and fuel oil can be fully mixed together.
Description
Technical field
It is the spiral inlet duct of Φ 138mm diesel engine that the utility model relates to a kind of cylinder diameter that is applicable to.
Background technique
At present, diesel engine with φ 135mm cylinder diameter expands cylinder, the diesel engine of exploitation φ 138mm cylinder diameter, the spiral inlet duct flow coefficient of original φ 135mm cylinder diameter only is 0.33, will cause the diesel engine intake quantity not sufficient, diesel engine calibration point smoke intensity and oil consumption are exceeded standard, can not satisfy the complete machine performance requirement of φ 138mm cylinder diameter
Summary of the invention
The purpose of this utility model provides that a kind of swirl rate is 1.8, flow coefficient is that 0.37 the cylinder diameter that is applicable to is the spiral inlet duct of Φ 138mm 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 138mm diesel engine, be provided with spiral inlet duct and cylinder in the diesel engine, described spiral inlet duct is by air flue import, volute, volute export mixes, the volute center is 10.5～12.5mm to the distance of cylinder centerline y coordinate y, and the volute center is 33.2～35.2mm to the distance of cylinder centerline abscissa x; The air flue inlet end face is to distance 107～109mm of cylinder centerline y coordinate y, and air flue inlet end face center line is 30.5～32.5mm 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 35～37mm, R3 is 33～35mm, and R4 is 44～46mm, and R5 is 118～122mm, R6 is 118～122mm, and R7 is 14～16mm, and R8 is 71～73mm.Be provided with the conduit boss in the described volute, the end face of conduit boss is 56～58mm to the distance of cylinder head bottom surface, and air flue import center is to the distance 63～65mm of volute exit end face.Described volute outlet diameter is 54.5～56.5mm; Described air flue inlet height is 63～65mm, and described air flue entrance width is 50～52mm.
Adopt that above-mentioned Three-Dimensional Spiral Inlet can produce that swirl rate is 1.8, flow coefficient is air-flow in 0.37 the cylinder, and air is fully mixed 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 and cylinder 4 in the diesel engine, spiral inlet duct is made of air flue import 1, volute 2, volute outlet 3, volute 2 centers are 10.5～12.5mm to the distance A of cylinder 4 center line y coordinate y, and volute 2 centers are 33.2～35.2mm to cylinder 4 center line y coordinate x's apart from B; Air flue import 1 end face is 107～109mm to the distance C of cylinder 4 center line y coordinate y, air flue import 1 end face is 30.5～32.5mm 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 35～37mm, R3 is 33～35mm, R4 is 44～46mm, R5 is 118～122mm, R6 is 118～122mm, R7 is 14～16mm, R8 is 71～73mm, is provided with conduit boss 5 in the volute 2, and the end face of conduit boss 5 is 56～58mm to the cylinder head bottom surface apart from E, what air flue import 1 center exported 3 end faces to volute is 63～65mm apart from F, and it is 54.5～56.5mm that volute exports 3 diameters; Air flue import 1 height H is 63～65mm, and air flue import 1 width M is 50～52mm.
Technical solution of the present utility model is: make the spiral inlet duct test box with resin, guaranteeing that its physical dimension satisfies under the prerequisite of usage requirement, on test box, spiral section channel entrance position and size are adjusted, revised, and swirl rate after the test modifications and flow coefficient.At the needs of this kind diesel engine high-eddy ratio, swirl rate is brought up to 1.8, flow coefficient adjusts to 0.37.
Claims (4)
1. one kind is applicable to that cylinder diameter is the spiral inlet duct of Ф 138mm diesel engine, it is characterized in that: described spiral inlet duct is by air flue import, volute, volute export mixes, the volute center is 10.5～12.5mm to the distance of cylinder centerline y coordinate y, and the volute center is 33.2～35.2mm to the distance of cylinder centerline abscissa x; The air flue inlet end face is to distance 107～109mm of cylinder centerline y coordinate y, and air flue inlet end face center line is 2～3mm 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 Ф 138mm 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 35～37mm, and R3 is 33～35mm, and R4 is 44～46mm, R5 is 118～122mm, R6 is 118～122mm, and R7 is 14～16mm, and R8 is 71～73mm.
3. the cylinder diameter that is applicable to according to claim 1 is the spiral inlet duct of Ф 138mm diesel engine, it is characterized in that: be provided with the conduit boss in the described volute, the end face of conduit boss is 56～58mm to the distance of cylinder head bottom surface, and air flue import center is to the distance 63～65mm of volute exit end face.
4. the cylinder diameter that is applicable to according to claim 1 is the spiral inlet duct of Ф 138mm diesel engine, it is characterized in that: described volute outlet diameter is 54.5～56.5mm; Described air flue inlet height is 63～65mm, and described air flue entrance width is 50～52mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820239409U CN201386596Y (en) | 2008-12-31 | 2008-12-31 | Spiral air inlet channel applicable to diesel engine with cylinder diameter of phi 138mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820239409U CN201386596Y (en) | 2008-12-31 | 2008-12-31 | Spiral air inlet channel applicable to diesel engine with cylinder diameter of phi 138mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386596Y true CN201386596Y (en) | 2010-01-20 |
Family
ID=41579130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820239409U Expired - Fee Related CN201386596Y (en) | 2008-12-31 | 2008-12-31 | Spiral air inlet channel applicable to diesel engine with cylinder diameter of phi 138mm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386596Y (en) |
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2008
- 2008-12-31 CN CN200820239409U patent/CN201386596Y/en not_active Expired - Fee Related
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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: 20100120 Termination date: 20131231 |