CN102562380A - Air intake device of multi-cylinder pressurization engine - Google Patents
Air intake device of multi-cylinder pressurization engine Download PDFInfo
- Publication number
- CN102562380A CN102562380A CN2012100502070A CN201210050207A CN102562380A CN 102562380 A CN102562380 A CN 102562380A CN 2012100502070 A CN2012100502070 A CN 2012100502070A CN 201210050207 A CN201210050207 A CN 201210050207A CN 102562380 A CN102562380 A CN 102562380A
- Authority
- CN
- China
- Prior art keywords
- intake manifold
- air inlet
- inlet system
- supercharged engine
- cylinder
- 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.)
- Pending
Links
Images
Abstract
The invention relates to an air intake device of a multi-cylinder pressurization engine, relates to the technical field of engines, and is used for reducing the air intake resistance of each air cylinder for the engine. The air intake device of the multi-cylinder pressurization engine comprises an air intake general pipe, wherein the air intake general pipe is connected with an air intake manifold; the air intake manifold comprises a pressure stabilizing cavity and a plurality of air intake branches connected with the pressure stabilizing cavity; inner cavities of the plurality of air intake branches are communicated with the pressure stabilizing cavity mutually and are integrated into a whole. The air intake device of the multi-cylinder pressurization engine provided by the invention is suitable for air conveying of each air cylinder for the multi-cylinder pressurization engine.
Description
Technical field
The present invention relates to technical field of automobile engine, relate in particular to a kind of multi-cylinder supercharged engine air inlet system.
Background technique
Along with developing of automobile industry, the Abgasgesetz of vehicle, fuel economy and travelling comfort more and more come into one's own, and advanced engine technology that the multi-cylinder supercharged engine uses such as supercharging in-cylinder direct injection etc. are used more and more widely.Wherein, have air inlet system in the multi-cylinder supercharged engine, the effect of this air inlet system is each cylinder that ozone is sent to the multi-cylinder supercharged engine, satisfies the requirement of the independent air inlet of each cylinder.
Multi-cylinder supercharged engine air inlet system mainly comprises intake manifold, generally comprises a plurality of air intake branches according to the number of cylinders intake manifold of multi-cylinder supercharged engine, can air be sent in each cylinder through each air intake branch.Usually, also be provided with pressure stabilizing cavity in the intake manifold, a plurality of air intake branches generally are connected on the pressure stabilizing cavity, and pressure stabilizing cavity also is connected with the intake manifold.The air that gets into from the intake manifold at first enters in the pressure stabilizing cavity, and then is assigned to each air intake branch by pressure stabilizing cavity.
But; A plurality of air intake branches in the existing intake manifold are separate; Such structure causes the intake resistance of each cylinder of motor big easily; Thereby make that the suction pressure loss is big, cause air inlet inhomogeneous, finally cause the multi-cylinder supercharged engine can not effectively export desirable power and moment of torsion.
Summary of the invention
The purpose of this invention is to provide a kind of multi-cylinder supercharged engine air inlet system, can reduce the intake resistance of each cylinder of motor.
For achieving the above object, the present invention adopts following technological scheme:
A kind of multi-cylinder supercharged engine air inlet system; Comprise the intake manifold; Said intake manifold is connected with intake manifold, and said intake manifold comprises pressure stabilizing cavity and a plurality of air intake branches that link to each other with said pressure stabilizing cavity, and the inner chamber of said a plurality of air intake branches and said pressure stabilizing cavity connect each other and be integrated.
Further, this device also comprises the bounding means that is located at said intake manifold one side, and said bounding means is provided with the semi-round ring shape hole, and said semi-round ring shape is equipped with running shaft in the hole, and said running shaft is provided with butterfly valve.
Further, can an end of running shaft be extended bending is step-like crank, and said step-like crank is located in the said semi-round ring shape hole, and the turning radius in the shoulder height of said step-like crank and said semi-round ring shape hole is consistent.
Secondly, periphery is provided with flange in the air outlet of air intake branch, and said flange is provided with locating stud.Being more preferably locating stud is the star locating stud.
Secondly, on the outer surface of intake manifold, be provided with pit again.
As preferably, on the outer surface of intake manifold, be provided with stiffening rib.
Preferred intake manifold's inner chamber becomes big gradually from said intake manifold's suction port to said pressure stabilizing cavity.
Preferred pressure stabilizing cavity reduces from the middle part to both sides gradually.
The beneficial effect of embodiment of the invention multi-cylinder supercharged engine air inlet system is: the inner chamber of a plurality of air intake branches in this air inlet system and said pressure stabilizing cavity connect each other and are integrated; Reduced the resistance of air like this by each cylinder in the said intake manifold entering motor; The engine charge resistance force diminishes; The suction pressure loss reduces, and intake uniformity is greatly improved, and makes supercharged engine can effectively export desirable power and moment of torsion.
Description of drawings
Fig. 1 is the plan view of embodiment of the invention multi-cylinder supercharged engine air inlet system;
Fig. 2 is the worm's eye view of Fig. 1;
Fig. 3 is the right elevation of Fig. 1;
Fig. 4 is the plan view of Fig. 1;
Fig. 5 is along the sectional drawing of A-A line among Fig. 1;
Fig. 6 is running shaft and the structural representation of butterfly valve in the multi-cylinder supercharged engine air inlet system shown in Figure 1;
Fig. 7 is the plan view of the butterfly valve in the multi-cylinder supercharged engine air inlet system shown in Figure 1;
Fig. 8 is the left view of Fig. 7;
Fig. 9 is the plan view of the bounding means in the multi-cylinder supercharged engine air inlet system shown in Figure 3;
Figure 10 is bounding means and the assembly structure schematic representation of step-like crank in the multi-cylinder supercharged engine air inlet system shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the invention multi-cylinder supercharged engine air inlet system is described in detail.
Like Fig. 1-shown in Figure 4; Multi-cylinder supercharged engine air inlet system in the embodiment of the invention; Comprise intake manifold 1; Said intake manifold 1 is connected with intake manifold 2, and said intake manifold 2 comprises pressure stabilizing cavity 3 and a plurality of air intake branches 4 that link to each other with said pressure stabilizing cavity 3, and wherein inner chamber and said pressure stabilizing cavity 3 mutual perforations the with said a plurality of air intake branches 4 are integrated.
The beneficial effect of multi-cylinder supercharged engine air inlet system of the present invention is: the inner chamber of a plurality of air intake branches in this air inlet system and said pressure stabilizing cavity connect each other and are integrated; Reduced the resistance of air like this by each cylinder in the said intake manifold entering motor; The engine charge resistance force diminishes; The suction pressure loss reduces, and intake uniformity is greatly improved, and makes supercharged engine can effectively export desirable power and moment of torsion.
Like Fig. 3, Fig. 9 and shown in Figure 10, clamping stagnation and reversing do not take place in order to make butterfly valve 8, reduce the positional deviation of butterfly valve 8 at the place, air outlet of air intake branch 4, the adjusting to butterfly valve 8 is remained in the scope of 180 degree.For the adjusting to butterfly valve 8 is remained in the scope of 180 degree; This air inlet system can also comprise that the bounding means 5 that is located at said intake manifold 2 one sides is (for example under state shown in Figure 1; Know that in conjunction with shown in Figure 3 bounding means 5 is located at the right side of intake manifold 2); Said bounding means 5 is provided with semi-round ring shape hole 6, is equipped with running shaft 7 in the said semi-round ring shape hole 6, and said running shaft 7 is provided with butterfly valve 8.
Like Fig. 3-shown in Figure 10; In order to have simplified the structure of this air inlet system; Prolong its working life, it is step-like crank 9 that an end of said running shaft 7 is extended bending, can only be in 180 degree scopes and butterfly valve 8 interlocks in order to make running shaft 7; Said step-like crank 9 is located in the said semi-round ring shape hole 6; And the turning radius r in the shoulder height h of said step-like crank 9 and said semi-round ring shape hole is consistent, has guaranteed that the shoulder height h among Fig. 6 equals the turning radius r among Fig. 9, and it is consistent to guarantee that like this running shaft 7 is provided with the rotation centerline in center line and semi-round ring shape hole 6 of butterfly valve 8 parts.
Like Fig. 2, Fig. 3 and shown in Figure 5, in order to guarantee the tightness of intake manifold 2, periphery is provided with flange 10 in the air outlet of said air intake branch 2, locatees assembling quickly and accurately for the ease of multi-cylinder supercharged engine air inlet system, and said flange 10 is provided with locating stud 11.
For location assembling more accurately, said locating stud 11 is the star locating stud.
As shown in Figure 2, in order to reduce the weight of intake manifold 2, thereby reduce engine weight, reduce engine consumption, on the outer surface of said intake manifold 2, be provided with pit 12.
As shown in Figure 4, for the structural strength that strengthens intake manifold 2, strengthen intake manifold 2 pressure of explosion, improve the natural frequency of intake manifold 2 and reduce the noise of air inlet, on the outer surface of said intake manifold 2, be provided with stiffening rib 13.
Like Fig. 1-shown in Figure 4, in order to reduce intake resistance, the suction pressure loss is reduced, said intake manifold's 1 inner chamber becomes big gradually from said intake manifold's 1 suction port to said pressure stabilizing cavity 3.
Like Fig. 1-shown in Figure 4, in order to improve the intake uniformity of each cylinder of motor, mixed gas is fully burnt, improve the thermal efficiency, reduce discharging, make engine operation more steady, said pressure stabilizing cavity 3 reduces from the middle part to both sides gradually.
Working principle of the present invention: excitation electromotor 14 is installed in a side of intake manifold 2, and step-like crank 9 passes the semi-round ring shape hole 6 on the bounding means 5 after passing the bearing 17 in the bounding means 5 again, then with excitation electromotor 14 on rocking handle 15 be connected; The running shaft 7 and the step-like crank 9 relative the other ends are fixed in the opposite side of intake manifold 2.Whole said air inlet system through pilot hole corresponding on the mounting hole on the flange 10 16 and the cylinder with mounting hole 16 on the cylinder that is installed under the connection of screw bolt and nut.When automobile moved under low speed, excitation electromotor 14 can move with butterfly valve 8 by driven rotary axle 7, closes up to the air outlet of the air intake branch that will be provided with butterfly valve 84; When automobile moved under at a high speed, excitation electromotor 14 can move with butterfly valve 8 by driven rotary axles 7, opens up to the air outlet of the air intake branch that will be provided with butterfly valve 82.Wherein, step-like crank 9 can move in the semi-round ring shape hole 6 on the bounding means 5, thereby to drive butterfly valve 8 rotations the air outlet of air intake branch 4 is closed or opened.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (9)
1. multi-cylinder supercharged engine air inlet system; Comprise the intake manifold; Said intake manifold is connected with intake manifold; Said intake manifold comprises pressure stabilizing cavity and a plurality of air intake branches that link to each other with said pressure stabilizing cavity, it is characterized in that, the inner chamber of said a plurality of air intake branches and said pressure stabilizing cavity connect each other and be integrated.
2. multi-cylinder supercharged engine air inlet system according to claim 1; It is characterized in that also comprise the bounding means that is located at said intake manifold one side, said bounding means is provided with the semi-round ring shape hole; Said semi-round ring shape is equipped with running shaft in the hole, and said running shaft is provided with butterfly valve.
3. multi-cylinder supercharged engine air inlet system according to claim 2; It is characterized in that; It is step-like crank that one end of said running shaft extends bending; Said step-like crank is located in the said semi-round ring shape hole, and the turning radius in the shoulder height of said step-like crank and said semi-round ring shape hole is consistent.
4. according to each described multi-cylinder supercharged engine air inlet system of claim 1-3, it is characterized in that the air outlet periphery of said air intake branch is provided with flange, said flange is provided with locating stud.
5. multi-cylinder supercharged engine air inlet system according to claim 4 is characterized in that said locating stud is the star locating stud.
6. according to each described multi-cylinder supercharged engine air inlet system of claim 1-3, it is characterized in that the outer surface of said intake manifold is provided with pit.
7. according to each described multi-cylinder supercharged engine air inlet system of claim 1-3, it is characterized in that the outer surface of said intake manifold is provided with stiffening rib.
8. according to each described multi-cylinder supercharged engine air inlet system of claim 1-3, it is characterized in that said intake manifold's inner chamber becomes big gradually from said intake manifold's suction port to said pressure stabilizing cavity.
9. according to each described multi-cylinder supercharged engine air inlet system of claim 1-3, it is characterized in that said pressure stabilizing cavity reduces from the middle part to both sides gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100502070A CN102562380A (en) | 2012-02-29 | 2012-02-29 | Air intake device of multi-cylinder pressurization engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100502070A CN102562380A (en) | 2012-02-29 | 2012-02-29 | Air intake device of multi-cylinder pressurization engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102562380A true CN102562380A (en) | 2012-07-11 |
Family
ID=46408739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100502070A Pending CN102562380A (en) | 2012-02-29 | 2012-02-29 | Air intake device of multi-cylinder pressurization engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562380A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953877A (en) * | 2012-10-28 | 2013-03-06 | 长城汽车股份有限公司 | Engine intake manifold |
| CN109026463A (en) * | 2018-09-06 | 2018-12-18 | 居桂华 | A kind of diesel engine air inlet branch pipe |
| CN112065619A (en) * | 2020-07-27 | 2020-12-11 | 西安交通大学 | FSAE racing car air inlet system with flow deflectors |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428500A (en) * | 2001-12-24 | 2003-07-09 | 现代自动车株式会社 | Variable gas-flow air inlet device for motor |
| CN1580537A (en) * | 2003-08-11 | 2005-02-16 | 日产自动车株式会社 | Intake path of IC engine |
| DE10343557A1 (en) * | 2003-09-19 | 2005-06-23 | Volkswagen Ag | Shaft operating the control valves in the suction unit of an internal combustion engine is provided with a ring seal which is made of a plastic material and is subjected to radial forces pressing it to the shaft |
| CN101182801A (en) * | 2006-10-05 | 2008-05-21 | 玛涅蒂玛瑞利动力系公开有限公司 | Variable geometry intake manifold for an internal combustion engine |
| CN101432510A (en) * | 2006-04-28 | 2009-05-13 | 丰田自动车株式会社 | Air intake apparatus for internal combustion engine |
| CN101430027A (en) * | 2008-12-09 | 2009-05-13 | 辽宁能发伟业能源科技有限公司 | Position indication apparatus for valve body movable sealing ring |
| CN201858060U (en) * | 2009-05-22 | 2011-06-08 | 福特环球技术公司 | Intake manifold system for internal combustion engine |
-
2012
- 2012-02-29 CN CN2012100502070A patent/CN102562380A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428500A (en) * | 2001-12-24 | 2003-07-09 | 现代自动车株式会社 | Variable gas-flow air inlet device for motor |
| CN1580537A (en) * | 2003-08-11 | 2005-02-16 | 日产自动车株式会社 | Intake path of IC engine |
| DE10343557A1 (en) * | 2003-09-19 | 2005-06-23 | Volkswagen Ag | Shaft operating the control valves in the suction unit of an internal combustion engine is provided with a ring seal which is made of a plastic material and is subjected to radial forces pressing it to the shaft |
| CN101432510A (en) * | 2006-04-28 | 2009-05-13 | 丰田自动车株式会社 | Air intake apparatus for internal combustion engine |
| CN101182801A (en) * | 2006-10-05 | 2008-05-21 | 玛涅蒂玛瑞利动力系公开有限公司 | Variable geometry intake manifold for an internal combustion engine |
| CN101430027A (en) * | 2008-12-09 | 2009-05-13 | 辽宁能发伟业能源科技有限公司 | Position indication apparatus for valve body movable sealing ring |
| CN201858060U (en) * | 2009-05-22 | 2011-06-08 | 福特环球技术公司 | Intake manifold system for internal combustion engine |
Non-Patent Citations (1)
| Title |
|---|
| 柴油机设计手册编辑委员会: "《柴油机设计手册(上册)》", 31 January 1984, article "进、排气管结构形式" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953877A (en) * | 2012-10-28 | 2013-03-06 | 长城汽车股份有限公司 | Engine intake manifold |
| CN102953877B (en) * | 2012-10-28 | 2015-05-27 | 长城汽车股份有限公司 | Engine intake manifold |
| CN109026463A (en) * | 2018-09-06 | 2018-12-18 | 居桂华 | A kind of diesel engine air inlet branch pipe |
| CN112065619A (en) * | 2020-07-27 | 2020-12-11 | 西安交通大学 | FSAE racing car air inlet system with flow deflectors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102900479B (en) | Variable nozzle turbocharger regulating mechanism integrated on turbine shell | |
| US20110277719A1 (en) | Rotary intake and exhaust system | |
| CN101629495B (en) | Variable flow turbine pressurizer | |
| CN102562380A (en) | Air intake device of multi-cylinder pressurization engine | |
| CN101929381B (en) | Variable air inlet turbocharger structure | |
| CN203867702U (en) | Turbine air intake supercharger of axial-flow type aerodynamic internal combustion engine | |
| CN202991189U (en) | Pressure balancing system for supercharged petrol engine crankcase | |
| CN102242645B (en) | Integral variable nozzle ring of turbocharger | |
| CN202176378U (en) | Integrated variable nozzle ring of turbocharger | |
| CN201581938U (en) | Variable flow turbocharger | |
| CN103742251A (en) | Variable air inlet system for engine | |
| CN108825308A (en) | A kind of blade gear ring rotor air engine and the circulatory system | |
| CN201535182U (en) | Diesel engine cam shaft | |
| CN202325786U (en) | Exhaust pipe of V-shaped engine | |
| CN202510255U (en) | Engine assembly system and motor vehicle | |
| CN204900004U (en) | A vacuum pump drive structure for pressure boost gasoline engine | |
| CN211448784U (en) | Camshaft for diesel engine with different cylinders controlled respectively | |
| CN203856618U (en) | Intake manifold | |
| CN204511532U (en) | Nozzle ring capable of changing cross sections, turbosupercharger and motor | |
| CN202832819U (en) | Water jacket structure of turbo supercharged engine cylinder cover | |
| KR101701363B1 (en) | Egr-system, engine comprising such system and vehicle comprising such engine | |
| CN2042893U (en) | Resonant air-intake and exhaust-injection system | |
| CN211422782U (en) | Compact arrangement structure of VVL engine oil control valve | |
| CN203809077U (en) | Variable valve lift mechanism of car engine | |
| CN102953877B (en) | Engine intake manifold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |