CN101922389B - Engine intake manifold - Google Patents
Engine intake manifold Download PDFInfo
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- CN101922389B CN101922389B CN2010102454320A CN201010245432A CN101922389B CN 101922389 B CN101922389 B CN 101922389B CN 2010102454320 A CN2010102454320 A CN 2010102454320A CN 201010245432 A CN201010245432 A CN 201010245432A CN 101922389 B CN101922389 B CN 101922389B
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- air intake
- intake
- suction port
- intake branch
- branches
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Abstract
The invention relates to an engine intake manifold which mainly solves the technical problems of imbalanced intake, intake turbulence and the like of the traditional various intake branches. The invention is characterized in that the multiple groups of intake branches are in C shapes, the intake branch adjacent to one side of an air intake and fixed on the main body is perpendicular to the air intake, and the rest intake branches respectively form a certain included angle and in a tilting state with the intake branch perpendicular to the air intake. The invention has the advantage that the center line of the intake branch adjacent to the air intake is perpendicular to the axis of the air intake, and the intake branches far away from the air intake of a pressurizer tank are tilting with the intake branch perpendicular to the axis of the air intake, thus, the length of the intake branches far away from the air intake of the pressurizer tank can be properly increased, which is beneficial to better utilizing the intake inertia so as to ensure that the intake of all cylinders is better balanced, and the power of the engine is increased.
Description
Technical field
The present invention relates to a kind of admission line, relate to a kind of engine intake manifold in particular, be mainly used in technical field of internal combustion engines.
Background technique
Intake manifold is mainly used in gas handling system and the motor that connects car load or ship in motor, uniform distribution gas burns to each cylinder.Existing intake manifold of engine mainly includes body and the many groups air intake branch that is communicated with the pressure stabilizer of body respectively of band pressure stabilizer, described air intake branch generally is parallel to each other be fixed on the body and length intimate identical; Since the general secured in parallel of existing air intake branch on body and length be close to identical; Receive the influence of the pressure stabilizer degree of depth and air inlet inertia; Its pressure of air intake branch away from the pressure stabilizer suction port is big more more, is prone to cause the air inlet of each air intake branch unbalanced and air inlet is disorderly like this, causes the fuel mix gas firing insufficient; Influence output power, reduce the complete machine performance.
Summary of the invention
For solve that existing air intake branch is parallel to each other be fixed on the body and length identical, cause technical problems such as the unbalanced and air inlet disorder of the air inlet of each air intake branch; The present invention provides a kind of engine intake manifold, and this intake manifold can effectively be improved problems such as the unbalanced and air inlet disorder of air inlet.
For solving above technical problem; The technological scheme that the present invention takes is a kind of engine intake manifold; At least two group air intake branches that it comprises the body that has pressure stabilizer and is fixed on the body and is communicated with pressure stabilizer are provided with suction port in described body one side, and this suction port communicates with pressure stabilizer; It is characterized in that all c-shaped shape of described at least two group air intake branches; Be fixed on the body near the center line of the air intake branch of the suction port one side axis perpendicular to suction port said, all the other air intake branches respectively and form angle between the air intake branch of vertical air inlet mouth axis and be skewed.
Further; Described air intake branch is provided with more than three groups or three groups; Wherein perpendicular near the axis of the center line of the air intake branch of suction port and suction port, the angle of inclination of the air intake branch of all the other air intake branches and vertical air inlet mouth axis increases progressively along the airintake direction of suction port successively.
Further, described body includes voltage stabilizing block and the cover plate that has cavity volume, and described cover plate lid is put and on the voltage stabilizing block, made cavity volume form sealing, and this cavity volume constitutes described pressure stabilizer; In described pressure stabilizer with on the corresponding sidewall of the cover plate exterior edge face, be provided with identical with the air intake branch quantity semicircle shape groove that is; Be provided with the through hole of communication groove and voltage stabilizing block cavity volume in the bottom of described voltage stabilizing block inner groovy; This groove top is connected with the straight tube that is connected internal combustion engine inlet; Corresponding lid is equipped with the curved cover plate that is semicircle shape outside described many group grooves; This curved cover plate lid is put on groove, to form to have the rounded pipeline of import and outlet and organize curved cover plate more and is connected as one structure successively, and described rounded pipeline constitutes described air intake branch.
The invention has the beneficial effects as follows will be near the center line of the air intake branch at suction port place perpendicular to the suction port axis; Will be away from the air intake branch inclination of pressure stabilizer suction port and the air intake branch of vertical air inlet mouth axis; So just can suitably increase length, and increase the length of air intake branch away from the air intake branch of pressure stabilizer suction port, but with regard to better utilization air inlet inertia; Make the air inlet of each cylinder balanced more, improve the power of motor.
Description of drawings
Fig. 1 is the plan view of a kind of engine intake manifold of the embodiment of the invention
Fig. 2 is an A-A place sectional structure chart among Fig. 1
Fig. 3 is the external structure of embodiment of the invention voltage stabilizing block
Fig. 4 is the cut-away view of embodiment of the invention voltage stabilizing block
Fig. 5 is the three-dimensional structure diagram of a kind of engine intake manifold of the embodiment of the invention
Fig. 6 is the three-dimensional exploded view of a kind of engine intake manifold of the embodiment of the invention
Embodiment
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
Extremely shown in Figure 6 like Fig. 1; The present invention is a kind of engine intake manifold; At least two group air intake branches 2 that it comprises the body 1 that has pressure stabilizer 11 and is fixed on the body 1 and is communicated with pressure stabilizer 11 are provided with suction port 12 in described body 1 one sides, and this suction port 12 communicates with pressure stabilizer 11; For solve that existing air intake branch 2 is parallel to each other be fixed on the body 1 and length identical; Cause technical problems such as the unbalanced and air inlet disorder of the air inlet of each air intake branch 2; The all c-shaped shape of described at least two group air intake branches 2; Be fixed on the body 1 near the center line of the air intake branch 2 of the suction port 12 1 sides axis perpendicular to suction port 12 said, all the other air intake branches 2 form angles with the air intake branch 2 of vertical air inlet mouth 12 axis respectively and are skewed; Because pressure stabilizer 11 is a sealing configuration; The pressure of pressure stabilizer 11 bottoms is relatively greater than the pressure at pressure stabilizer 11 suction ports 12 places, and is identical like the length of air intake branch 2, receives the degree of depth of pressure stabilizer and the influence of air inlet inertia; Pressure away from the air intake branch 2 of pressure stabilizer 11 suction ports 12 is just big more more; Its air inflow also compares and wants big near the air intake branch 2 at pressure stabilizer 11 suction port places, has so just caused air inlet unbalanced, makes each cylinder acting of motor unbalanced; Thereby influence output power, reduce the complete machine performance; And will be near the center line of the air intake branch 2 at suction port 12 places perpendicular to suction port 12 axis; Will be away from air intake branch 2 inclinations of pressure stabilizer 11 suction ports and the air intake branch 2 of vertical air inlet mouth 12 axis; So just can suitably increase length, and increase the length of air intake branch 2 away from the air intake branch 2 of pressure stabilizer 11 suction ports 12, but with regard to better utilization air inlet inertia; Make the air inlet of each cylinder balanced more, improve the power of motor.
In this example; Described air intake branch 2 is provided with more than three groups or three groups; Wherein perpendicular near the axis of the center line of the air intake branch 2 of suction port 12 and suction port 12, the angle of inclination of all the other air intake branches 2 and the air intake branch 2 of vertical air inlet mouth 12 axis increases progressively along the airintake direction of suction port 12 successively; The quantity of air intake branch 2 can deciding according to the demand of motor; Be provided with under the situation of three groups or three groups above air intake branches 2; Each air intake branch 2 is different with the distance of suction port 12, causes the pressure of each air intake branch 2 different, and air intake branch 2 its pressure away from suction port 12 are big more more; Air inflow is also big relatively more, causes each air intake branch 2 air inlet unbalanced; Respectively organize the suction pressure of air intake branch 2 for balance; Make air inlet balanced more; To be vertically installed in the axis of suction port 12 near the air intake branch 2 of suction port 12, the distance of all the other air intake branch 2 bases and suction port 12 come to increase successively and the air intake branch 2 of vertical air inlet mouth axis between the angle of inclination, utilize the angle of inclination of air intake branch 2 to increase the length of air intake branch 2; But like this with regard to better utilization air inlet inertia; Guarantee the pressure balance of each air intake branch 2, make the air inflow of each air intake branch 2 balanced, thereby improve the output power of motor; Certainly, the length that increases air intake branch 2 also can not adopt the inclination mode, such as the radian that progressively strengthens away from the air intake branch 2 of suction port 12; Can reach identical purpose equally; But adopt this mode to be easy to production and processing, therefore, the mode of execution of present embodiment is a preferred implementation.
In the present embodiment; Be processing and the installation that makes things convenient for air intake branch 2; Optimize the layout of intake manifold, make full use of the confined space of internal-combustion engine, described body 1 includes voltage stabilizing block 13 and the cover plate 14 that has cavity volume; Described cover plate 14 lids are put and on voltage stabilizing block 13, are made cavity volume form sealing, and described cavity volume constitutes described pressure stabilizer 11; In described pressure stabilizer 11 with on the cover plate 14 corresponding sidewall exterior edge faces, be provided with identical with the air intake branch 2 quantity semicircle shape groove 131 that is; Be provided with the through hole 132 of communication groove 131 and voltage stabilizing block 13 cavity volumes in the bottom of described voltage stabilizing block 13 inner groovies 131; These groove 131 tops are connected with the straight tube that is connected internal combustion engine inlet 133; Corresponding lid is equipped with the curved cover plate 134 that is semicircle shape outside described many group grooves 131; These curved cover plate 134 lids are put on groove 131, to form to have the rounded pipeline of import and outlet and organize curved cover plate 134 more and are connected as one structure successively, and described rounded pipeline constitutes described air intake branch 2; Gas is after suction port 12 gets into pressure stabilizer 11; Shunting through pressure stabilizer 11 communicates with the intake duct of motor through three groups of air intake branches 2 respectively; Reduce intake trubulence like this, strengthened that stream is rolled in air inlet and the confined space of the intake manifold that makes full use of, adopted this structure; Not only can save material, reduce the cost of production of air intake branch 2; Simultaneously; Also rationally utilize the space of voltage stabilizing block 13, dwindle the volume of intake manifold, optimize the layout of intake manifold and make full use of the air inlet that the air inlet inertia force improves internal-combustion engine; Thereby better bring into play the thermal efficiency of motor fuel mixture combustion, improve the output power of internal-combustion engine.
The foregoing description should not be regarded as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (3)
1. engine intake manifold, at least two group air intake branches that it comprises the body that has pressure stabilizer and is fixed on the body and is communicated with pressure stabilizer are provided with suction port in described body one side, and this suction port communicates with pressure stabilizer; It is characterized in that all c-shaped shape of described at least two group air intake branches; Be fixed on the body near the center line of the air intake branch of suction port one side axis perpendicular to suction port; All the other air intake branches form angle respectively and between the air intake branch of vertical air inlet mouth axis and are skewed, and the length of each air intake branch increases progressively along the airintake direction of suction port successively.
2. a kind of engine intake manifold according to claim 1; It is characterized in that described air intake branch is provided with more than three groups or three groups; Wherein perpendicular near the axis of the center line of the air intake branch of suction port and suction port, the angle of inclination of the air intake branch of all the other air intake branches and vertical air inlet mouth axis increases progressively along the airintake direction of suction port successively.
3. a kind of engine intake manifold according to claim 1 and 2 is characterized in that described body includes voltage stabilizing block and the cover plate that has cavity volume, and described cover plate lid is put and on the voltage stabilizing block, made cavity volume form sealing, and this cavity volume constitutes described pressure stabilizer; In described pressure stabilizer, be provided with identical with the air intake branch quantity semicircle shape groove that is on the sidewall exterior edge face relative with cover plate; Be provided with the through hole of communication groove and voltage stabilizing block cavity volume in the bottom of the groove of described voltage stabilizing block; This groove top is connected with the straight tube that is connected internal combustion engine inlet; Corresponding lid is equipped with the curved cover plate that is semicircle shape outside described many group grooves; This curved cover plate lid is put on groove, to form to have the rounded pipeline of import and outlet and organize curved cover plate more and is connected as one structure successively, and described rounded pipeline constitutes described air intake branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102454320A CN101922389B (en) | 2010-08-02 | 2010-08-02 | Engine intake manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102454320A CN101922389B (en) | 2010-08-02 | 2010-08-02 | Engine intake manifold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101922389A CN101922389A (en) | 2010-12-22 |
| CN101922389B true CN101922389B (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102454320A Active CN101922389B (en) | 2010-08-02 | 2010-08-02 | Engine intake manifold |
Country Status (1)
| Country | Link |
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| CN (1) | CN101922389B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050017139A (en) * | 2003-08-08 | 2005-02-22 | 현대자동차주식회사 | fixing structure of intake manifold for an engine |
| JP2005337117A (en) * | 2004-05-27 | 2005-12-08 | Nissan Motor Co Ltd | Intake device for engine |
| JP4896822B2 (en) * | 2007-05-30 | 2012-03-14 | 本田技研工業株式会社 | Intake manifold for internal combustion engines |
| CN201771648U (en) * | 2010-08-02 | 2011-03-23 | 春风控股集团有限公司 | Air intake manifold of engine |
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2010
- 2010-08-02 CN CN2010102454320A patent/CN101922389B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101922389A (en) | 2010-12-22 |
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Effective date of registration: 20150923 Address after: Wuzhou 311100 Hangzhou Road, Zhejiang province Yuhang District of Yuhang Economic Development Zone No. 116 Patentee after: Zhejiang Cfmoto Power Co., Ltd. Address before: 325600 Xi Xi industrial zone, Hongqiao Town, Zhejiang, Yueqing Patentee before: Chunfeng Holding Group Co., Ltd. |