CN103850830A - Branch air pipe variable section pressurizing type air inlet manifold, engine air inlet system and engine - Google Patents
Branch air pipe variable section pressurizing type air inlet manifold, engine air inlet system and engine Download PDFInfo
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- CN103850830A CN103850830A CN201210493634.6A CN201210493634A CN103850830A CN 103850830 A CN103850830 A CN 103850830A CN 201210493634 A CN201210493634 A CN 201210493634A CN 103850830 A CN103850830 A CN 103850830A
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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 invention relates to a branch air pipe variable section pressurizing type air inlet manifold which comprises a cavity, air inlets distributed in the cavity and formed in a fluid communication mode and a plurality of branch air pipes. At least a part of branch air pipes of the branch air pipes are constructed to be a pipe with a first section, a second section and a middle section connecting the first section and the second section, wherein the first section and the second section have different section areas. By means of the branch air pipe variable section pressurizing type air inlet manifold, the problem that low speed torque and highest power are affected due to the fact that the existing natural air sucking equal section air inlet manifold is insufficient in inflation can be effectively solved, the cost is not increased, and an additional affiliation device is not added. By means of the manifold, the requirement of a common natural air sucking engine for improving torque and power can be met, and an economical practical solution scheme is provided.
Description
Technical field
The invention belongs to engine aspirating system technical field, relate in particular to a kind of bronchus variable cross section plenum intake manifold, be provided with the engine aspirating system of this bronchus variable cross section plenum intake manifold, and dispose the motor of this engine aspirating system.
Background technique
Be illustrated in figure 1 the bronchial natural aspiration intake manifold of uniform section that current engine intake manifold is commonly used, confirm through test, its four bronchial charging efficiencies are generally about 80%-95%, and this can cause motor because under-inflation has influence on the performance such as low speed torque, peak output.Because this admission manifold branch structure is simple, low price and still in a large amount of uses.
In order to solve the problem of the existing charging efficiency deficiency of natural aspiration intake manifold, in designing at present, generally adopt technology for Turbocharger Manufacturing, turbosupercharger is actually a kind of air compressor, increases air inflow by pressurized air.It is that the waste gas inertia impulsive force that has utilized motor to discharge promotes the turbine in turbine chamber, then drives coaxial impeller by turbine, and the air that compression is sent here by air filter, makes it supercharging and enter cylinder.When engine speed speeds, the waste gas velocity of discharge is also synchronizeed and is speeded with secondary speed, impeller just compresses more air and enters cylinder, the pressure of air and density increase the more fuel that can burn, corresponding increase fuel quantity and adjust the rotating speed of motor, just can increase the output power of motor.Although as mentioned above, having adopted turbosupercharger after, can significantly increase by promoting charging efficiency the power of motor, also popularize and brought great difficulty for it owing to existing such as complex structure, high in cost of production problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of bronchus variable cross section plenum intake manifold, engine aspirating system and motor, thereby can effectively solve the problem of the above-mentioned and other aspect existing in prior art.
For realizing above-mentioned object, the present invention has adopted following technological scheme:
A kind of bronchus variable cross section plenum intake manifold, suction port and multiple bronchus that it comprises cavity, is arranged on described cavity and keeps each other fluid to be communicated with, at least a portion bronchus in described bronchus is configured to have the first section, the second section and for connecting the centre portion of described the first section and described the second section, and the section area of wherein said the first section and described the second section is unequal.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, described suction port is disposed on a side of described cavity, and described bronchus is all disposed on another side of described cavity.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, described bronchus is equally spaced evenly arranged on described cavity.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, the cross section of described the first section is rounded or oval, and/or the cross section of described the second section is rounded or oval.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, described the first section is connected with described cavity and its section area is greater than the section area of described the second section.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, the length of described the first section and described the second section is unequal.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, described bronchus is 4.
In above-mentioned bronchus variable cross section plenum intake manifold, preferably, described bronchus is configured to identical.
A kind of engine aspirating system, is provided with the bronchus variable cross section plenum intake manifold as described in above any one in described engine aspirating system.
A kind of motor, described engine configurations has engine aspirating system as above.
Beneficial effect of the present invention is: adopt bronchus variable cross section plenum intake manifold of the present invention, current natural aspiration uniform section intake manifold be can effectively solve because its under-inflation affects the problem such as low speed torque and peak output, cost and extra accessory can not increased simultaneously yet.The present invention can meet the needs of the air-breathing motor lifting moment of torsion of general nature and power, and real is economical and practical solution.
Brief description of the drawings
Below with reference to drawings and Examples, technological scheme of the present invention is described in further detail, but it should be known that these accompanying drawings are only for task of explanation designs, therefore not as the restriction of the scope of the invention.
Fig. 1 is the composition structural representation of existing central air induction in-line arrangement intake manifold.
Fig. 2 is an embodiment's of bronchus variable cross section plenum intake manifold of the present invention composition structural representation.
Fig. 3 is bronchus variable cross section plenum intake manifold of the present invention and the straightforward face formula of the existing bronchus intake manifold comparison diagram about charging efficiency.
Fig. 4 is bronchus variable cross section plenum intake manifold of the present invention and the straightforward face formula of the existing bronchus intake manifold comparison diagram about moment of torsion.
Fig. 5 is bronchus variable cross section plenum intake manifold of the present invention and the straightforward face formula of the existing bronchus intake manifold comparison diagram about power.
Embodiment
First, it should be noted that, to illustrate by way of example concrete structure, feature and the advantage etc. of bronchus variable cross section plenum intake manifold of the present invention below, but all descriptions are only used for describing, and should not be understood as the present invention is formed to any restriction.In addition, in the mentioned each embodiment of this paper, described or implicit any single technical characteristics, or be shown or lie in any single technical characteristics in each accompanying drawing, still can between these technical characteristicss (or its equivalent), proceed combination in any or delete, thereby obtain of the present invention more other embodiments that may directly not mention in this article.
As shown in Figure 2, it illustrates an embodiment's of bronchus variable cross section plenum intake manifold of the present invention fundamental composition structure.In this embodiment, this bronchus variable cross section plenum intake manifold comprises suction port 1, cavity 2 and four bronchuses 3.Wherein, suction port 1 is disposed on cavity 2 and with bronchus 3 and keeps fluid to be communicated with, bronchus 3 is all configured to have the first section 4, the second section 6 and centre portion 5, the section area of the first section 4 and the second section 6 is unequal, and they are joined together and have been formed a complete bronchus by centre portion 5.
Just as Figure 2 shows, can, under preferred situation, suction port 1 and all bronchuses 3 be arranged in to the not ipsilateral of cavity 2, disturb to avoid forming.And, these bronchuses 3 preferably uniformly-spaced can be evenly arranged on cavity 2.In addition, can also these bronchuses 3 be preferably all configured to identical from one another.
With regard to the first section 4, the second section 6, can be by circular their cross-sectional configuration separately, oval or other suitable shape.Under preferred situation, the first section 4 being connected with cavity 2 is configured to the section area that its section area is greater than the second section 6.Certainly, the first section 4 and the length of the second section 6 can be arranged to equate completely or unequal each other.
By adopting with upper type, because the bronchus in the present invention has the structural feature of variable cross section, therefore adopt the present invention can form resonant boost effect, after test is confirmed, it is very good from pressurized effect, charging efficiency can reach about 100%-105%, can significantly improve the performance parameters such as power, moment of torsion and the fuel consumption rate of motor, in Fig. 3, Fig. 4 and Fig. 5, specifically illustrate the present invention and the prior art correlation data about some engine performance parameters.
As shown in Figure 3-Figure 5, in these accompanying drawings, demonstrated respectively the relevant test data of bronchus variable cross section plenum intake manifold of the present invention and the straightforward face formula of existing bronchus intake manifold with dashed region and solid line regional correlation.First, in comparison diagram at Fig. 3 about motor charging efficiency, variable cross section arm intake manifold of the present invention is due to resonant boost effect, it has improved 7.7% left and right with respect to the straightforward face formula of existing bronchus intake manifold charging efficiency under rotating speed 2000r/min, under rotating speed 3500r/min, charging efficiency has improved 8.8% left and right, and charging efficiency has also improved 6.5% left and right under rotating speed 6000r/min.That is to say, in motor operating range from low speed to high speed, the present invention is quite obvious, ideal with respect to prior art at the improvement effect aspect charging efficiency.In addition, in comparison diagram at Fig. 4, Fig. 5 about Engine torque and power, bronchus variable cross section plenum intake manifold of the present invention is compared with the straightforward face formula of existing bronchus intake manifold, has also all correspondingly improved 8% left and right in motor operating range from low speed to high speed.
Obviously, adopt the present invention can effectively promote engine performance, therefore be highly suitable for this bronchus variable cross section plenum intake manifold is set in engine aspirating system, and such engine aspirating system is applied on motor, thereby provides very economical, practical and solution efficiently for promoting the moment of torsion of motor and power current demand.
More than enumerate the engine aspirating system that some specific embodiments are illustrated in detail bronchus variable cross section plenum intake manifold of the present invention, are provided with this bronchus variable cross section plenum intake manifold, and dispose the motor of this engine aspirating system, these a few examples are only for explanation principle of the present invention and mode of execution thereof, but not limitation of the present invention, without departing from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.For example, although be provided with four bronchuses in Fig. 2 example, the present invention also allows need to arrange according to practical application the bronchus of other any requirement.Again for example, these bronchuses in bronchus variable cross section plenum intake manifold of the present invention can be configured to not identically each other, even under some special case, can also only one of them or some bronchuses be configured with to the variable section structure of aforesaid the first section, the second section and centre portion.Therefore, all technological schemes that are equal to all should belong to category of the present invention also by every claim of the present invention is limited.
Claims (10)
1. a bronchus variable cross section plenum intake manifold, suction port and multiple bronchus that it comprises cavity, is arranged on described cavity and keeps each other fluid to be communicated with, it is characterized in that, at least a portion bronchus in described bronchus is configured to have the first section, the second section and for connecting the centre portion of described the first section and described the second section, and the section area of wherein said the first section and described the second section is unequal.
2. bronchus variable cross section plenum intake manifold according to claim 1, is characterized in that, described suction port is disposed on a side of described cavity, and described bronchus is all disposed on another side of described cavity.
3. bronchus variable cross section plenum intake manifold according to claim 1, is characterized in that, described bronchus is equally spaced evenly arranged on described cavity.
4. bronchus variable cross section plenum intake manifold according to claim 1, is characterized in that, the cross section of described the first section is rounded or oval, and/or the cross section of described the second section is rounded or oval.
5. bronchus variable cross section plenum intake manifold according to claim 1, is characterized in that, described the first section is connected with described cavity and its section area is greater than the section area of described the second section.
6. bronchus variable cross section plenum intake manifold according to claim 1, is characterized in that, the length of described the first section and described the second section is unequal.
7. according to the bronchus variable cross section plenum intake manifold described in any one in claim 1-6, it is characterized in that, described bronchus is 4.
8. according to the bronchus variable cross section plenum intake manifold described in any one in claim 1-6, it is characterized in that, described bronchus is configured to identical.
9. an engine aspirating system, is characterized in that, is provided with according to the bronchus variable cross section plenum intake manifold described in any one in claim 1-8 in described engine aspirating system.
10. a motor, is characterized in that, the with good grounds engine aspirating system claimed in claim 9 of described engine configurations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493634.6A CN103850830A (en) | 2012-11-28 | 2012-11-28 | Branch air pipe variable section pressurizing type air inlet manifold, engine air inlet system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493634.6A CN103850830A (en) | 2012-11-28 | 2012-11-28 | Branch air pipe variable section pressurizing type air inlet manifold, engine air inlet system and engine |
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| CN103850830A true CN103850830A (en) | 2014-06-11 |
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| CN201210493634.6A Pending CN103850830A (en) | 2012-11-28 | 2012-11-28 | Branch air pipe variable section pressurizing type air inlet manifold, engine air inlet system and engine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028778A1 (en) * | 2003-07-18 | 2005-02-10 | Andrew Boyes | Intake manifold with variable runner area |
| CN201599115U (en) * | 2009-09-03 | 2010-10-06 | 哈尔滨东安汽车动力股份有限公司 | Intake manifold |
| CN102305159A (en) * | 2011-08-26 | 2012-01-04 | 上汽通用五菱汽车股份有限公司 | Engine dual-fuel plastic air inlet manifold |
| CN202468094U (en) * | 2011-12-31 | 2012-10-03 | 上海汽车集团股份有限公司 | Air intake manifold and engine and vehicle comprising air intake manifold |
| CN203067135U (en) * | 2012-11-28 | 2013-07-17 | 上海汽车集团股份有限公司 | Branch air pipe variable cross section supercharged air intake manifold, engine air intake system and engine |
-
2012
- 2012-11-28 CN CN201210493634.6A patent/CN103850830A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028778A1 (en) * | 2003-07-18 | 2005-02-10 | Andrew Boyes | Intake manifold with variable runner area |
| CN201599115U (en) * | 2009-09-03 | 2010-10-06 | 哈尔滨东安汽车动力股份有限公司 | Intake manifold |
| CN102305159A (en) * | 2011-08-26 | 2012-01-04 | 上汽通用五菱汽车股份有限公司 | Engine dual-fuel plastic air inlet manifold |
| CN202468094U (en) * | 2011-12-31 | 2012-10-03 | 上海汽车集团股份有限公司 | Air intake manifold and engine and vehicle comprising air intake manifold |
| CN203067135U (en) * | 2012-11-28 | 2013-07-17 | 上海汽车集团股份有限公司 | Branch air pipe variable cross section supercharged air intake manifold, engine air intake system and engine |
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Application publication date: 20140611 |
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