CN201144746Y - Streamline resonant cavity type inlet manifold - Google Patents

Streamline resonant cavity type inlet manifold Download PDF

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Publication number
CN201144746Y
CN201144746Y CNU2007200778564U CN200720077856U CN201144746Y CN 201144746 Y CN201144746 Y CN 201144746Y CN U2007200778564 U CNU2007200778564 U CN U2007200778564U CN 200720077856 U CN200720077856 U CN 200720077856U CN 201144746 Y CN201144746 Y CN 201144746Y
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CN
China
Prior art keywords
resonant cavity
streamlined
inlet
intake manifold
radius
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Expired - Lifetime
Application number
CNU2007200778564U
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Chinese (zh)
Inventor
包维霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC General Motors Corp Ltd
Pan Asia Technical Automotive Center Co Ltd
Original Assignee
Pan Asia Technical Automotive Center Co Ltd
Shanghai General Motors Co Ltd
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Priority to CNU2007200778564U priority Critical patent/CN201144746Y/en
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Publication of CN201144746Y publication Critical patent/CN201144746Y/en
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Abstract

The utility model relates to a streamlined resonant cavity type intake manifold device that comprises a body. The body is provided with an intake manifold, and two or more than two branch airways; a streamlined resonant cavity is arranged in the body; the intake manifold is communicated with the branch airways through the streamlined resonant cavity; and the streamlined air channels are formed in the streamlined resonant cavity. In the structure, the air input fluxes are balanced in each cylinder when the air flows from the inlet of the intake manifold to the inlet of each branch airway; thus the engine can work slowly and smoothly; simultaneously, the structure reduces the emissions, the oil consumption and so on. In addition, the volume of the resonant cavity is reduced; the response of the gun is quick when the vehicle speeds up; ultimately, the higher accelerating performance of the whole vehicle can be achieved. Moreover, the streamlined resonant cavity type intake manifold device has the advantages of simple structure and low manufacturing cost.

Description

A kind of streamlined resonant cavity type Inlet manifold
Technical field
The utility model relates to a kind of petrolic Inlet manifold that is used for, and particularly relates to a kind of streamlined resonant cavity type Inlet manifold.
Background technique
The automobile industry of China develops towards low-cost, low energy consumption direction at present.In low-cost petrol engine exploitation, non-changable type intake manifold can be in awkward condition usually.On the one hand sometimes because whole chassis gas handling system limited location, and have to adopt the mode of the other air inlet of side, it is balanced as much as possible that engine operation requires each cylinder charge flow rate on the other hand.And that the defective of the mode maximum of the other air inlet of this side is exactly the distance of air inlet inlet own and each cylinder is inhomogeneous, and this has just caused each cylinder charge flow rate to be difficult to accomplish equilibrium.And, consider the manufacturing process complexity of intake manifold itself, adopt the resonant cavity that has regular shape usually, like this, certainly will cause each cylinder air inlet to be difficult to balance.If adopt big volume resonant cavity, though can partly address this problem, in the time of still can causing car load to quicken again, the response lag of throttle has been sacrificed acceleration performance.
The model utility content
Technical problem to be solved in the utility model is, overcome the defective of above-mentioned prior art and a kind of simple in structure, low cost of manufacture is provided, can under the prerequisite that guarantees minimum volume, make each cylinder obtain a kind of streamlined resonant cavity type Inlet manifold of even charge flow rate.
For achieving the above object, the utility model is taked following design proposal:
A kind of streamlined resonant cavity type Inlet manifold of the present utility model, comprise body, on body, be provided with intake manifold and two or more minutes branch airway, also be provided with streamlined resonant cavity in the described body, described intake manifold is connected by described streamlined resonant cavity with described minute branch airway, and forms streamlined air flow channel in described streamlined resonant cavity.
Preferably, the diameter of the ingress that described intake manifold is connected with described streamlined resonant cavity is 40~60mm, the near section arcuate structure that radius is 40~60mm of distance inlet in the described streamlined resonant cavity, far away section radius of distance inlet is 50~70mm arcuate structure in the described streamlined resonant cavity, the stage casing radius of distance inlet is 250~400mm arcuate structure in the described streamlined resonant cavity, and smooth connection becomes streamlined resonant cavity between described near section, stage casing and the section far away.
Preferably, described Inlet manifold has two or more minutes branch airway, and its laterally side by side width be 150~200mm.
Preferably, the diameter of the ingress that described intake manifold is connected with described streamlined resonant cavity is 50~60mm, the near section arcuate structure that radius is 50~60mm of distance inlet in the described streamlined resonant cavity, far away section radius of distance inlet is 55~65mm arcuate structure in the described streamlined resonant cavity, the stage casing radius of distance inlet is 280~350mm arcuate structure in the described streamlined resonant cavity, smooth connection becomes streamlined resonant cavity between described near section, stage casing and the section far away, described four branch branch airway laterally side by side width be 175~195mm.
The utility model has the advantages that: the utility model makes air be incorporated into the process of each minute branch airway inlet from the intake manifold inlet, make the charge flow rate equilibrium of each cylinder, and then make engine operation mild along sliding, also improve simultaneously at aspects such as discharging and oil consumption.In addition, the utility model makes the resonant cavity volume reduce, and the throttle reaction comparatively fast finally obtains higher car load acceleration performance during acceleration.And this streamlined resonant cavity type intake manifold itself is simple in structure, low cost of manufacture.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the workflow diagram of the utility model at intake process;
Fig. 4 is the schematic representation of streamline flow for air in the utility model work.
Embodiment
Referring to Fig. 1 and Fig. 2, wherein show the preferred embodiment of a kind of streamlined resonant cavity type Inlet manifold of the utility model, comprise body 1, be provided with intake manifold 2 and two or more minutes branch airway 3 on body 1, present embodiment is the mode of execution in the four cylinder engine, so, be preferably four branch branch airway 3, certainly, according to the quantity of engine cylinder, two or more minutes branch airway can be arranged.Also be provided with streamlined resonant cavity 4 in the described body 1, described intake manifold 2 is connected by described streamlined resonant cavity 4 with described minute branch airway 3, and forms streamlined air flow channel in described streamlined resonant cavity 4.
The circulating direction of gas is, enters from intake manifold 2, passes through streamlined resonant cavity 4 then, flow out from minute branch airway 3 at last, and described streamlined resonant cavity 4 can make on the gas streamlined air flow channel that portion forms within it and be streamline flow.Thereby be incorporated into from intake manifold inlet the process of each minute branch airway 3 inlets at air, make the charge flow rate equilibrium of each cylinder, and then make engine operation mild, also improve simultaneously at aspects such as discharging and oil consumption along sliding.In addition, streamlined structure of the present utility model, can be abundant, limited utilize the resonance cavity space, reduce the space waste, therefore can be so that the resonant cavity volume reduces, during acceleration the throttle reaction very fast, finally obtain higher car load acceleration performance.And this streamlined resonant cavity type intake manifold itself is simple in structure, low cost of manufacture.
Referring to Fig. 2 and Fig. 4, preferably, described intake manifold 2 is 40~60mm with the diameter at inlet 21 places that described streamlined resonant cavity 4 is connected, near section 41 radius R 1 of distance inlet 21 is the arcuate structure (not shown in the drawings its stereochemical structure) of 40~60mm in the described streamlined resonant cavity 4, far away section 43 radius R 3 of distance inlet 21 is 50~70mm arcuate structure (not shown in the drawings its stereochemical structure) in the described streamlined resonant cavity 4, stage casing 42 radius Rs 2 of distance inlet 21 are 250~400mm arcuate structure (not shown in the drawings its stereochemical structure) in the described streamlined resonant cavity 4, described near section 41, smooth connection becomes streamlined resonant cavity 4 between stage casing 42 and the section 43 far away.In the present embodiment, branch airway 3 was four in described minute.So, preferably, described minute branch airway 3 laterally side by side width be 150~200mm.The utility model just can form streamlined air flow channel in described streamlined resonant cavity 4 in aforementioned proportion manufactures and designs, make air be streamline flow.
Further, still referring to Fig. 2, intake manifold 2 described in the utility model is 50~60mm with the diameter at inlet 21 places that described streamlined resonant cavity 4 is connected, the arcuate structure that near section 41 radius of distance inlet 21 is 50~60mm in the described streamlined resonant cavity 4, far away section 43 radius of distance inlet 21 is 55~65mm arcuate structure in the described streamlined resonant cavity 4, stage casing 42 radiuses of distance inlet 21 are 280~350mm arcuate structure in the described streamlined resonant cavity 4, described near section 41, smooth connection becomes streamlined resonant cavity 4 between stage casing 42 and the section 43 far away, described minute branch airway 3 laterally side by side width be 175~195mm.Inventor of the present utility model sums up through test of many times, and the size of this kind optimization can make the airflow design of present embodiment resonant cavity reach better gas communication effect.
Referring to Fig. 3, wherein show the preferred embodiment of the utility model in the workflow of intake process, air enters respectively in each minute branch airway 3 according to the order of work of each cylinder of motor after intake manifold inlet 21 (the other air inlets of side) enters the streamlined resonant cavity 4 again.Because resonant cavity design for streamline, make air entering the mouth 21 to the process of each branch's gas port from intake manifold, be streamline flow (as shown in Figure 4), so just guaranteed to enter the conformity of the air mass flow of each cylinder.Simultaneously, this streamlined resonant cavity can be designed to minimum volume according to the functional requirement of motor, throttle reaction velocity faster when having guaranteed acceleration.
Obviously, those of ordinary skill in the art can constitute various types of streamlined resonant cavitys or intake manifold with a kind of streamlined resonant cavity type intake manifold of the present utility model.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model scope; can also make various variations and modification; therefore all technological schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims (4)

1, a kind of streamlined resonant cavity type Inlet manifold, comprise body (1), on body (1), be provided with intake manifold (2) and at least two branch branch airway (3), it is characterized in that: also be provided with streamlined resonant cavity (4) in the described body (1), described intake manifold (2) with described minute branch airway (3) be connected by described streamlined resonant cavity (4), and in described streamlined resonant cavity (4), form streamlined air flow channel.
2, Inlet manifold according to claim 1, it is characterized in that: the diameter that the inlet (21) that described intake manifold (2) is connected with described streamlined resonant cavity (4) is located is 40~60mm, near section (41) radius of distance inlet (21) is the arcuate structure of 40~60mm in the described streamlined resonant cavity (4), far away section (43) radius of distance inlet (21) is 50~70mm arcuate structure in the described streamlined resonant cavity (4), stage casing (42) radius of distance inlet (21) is 250~400mm arcuate structure in the described streamlined resonant cavity (4), described near section (41), smooth connection becomes streamlined resonant cavity (4) between stage casing (42) and the section far away (43).
3, Inlet manifold according to claim 2 is characterized in that: described minute branch airway (3) laterally side by side width be 150~200mm.
4, Inlet manifold according to claim 2, it is characterized in that: the diameter that the inlet (21) that described intake manifold (2) is connected with described streamlined resonant cavity (4) is located is 50~60mm, near section (41) radius of distance inlet (21) is the arcuate structure of 50~60mm in the described streamlined resonant cavity (4), far away section (43) radius of distance inlet (21) is 55~65mm arcuate structure in the described streamlined resonant cavity (4), stage casing (42) radius of distance inlet (21) is 280~350mm arcuate structure in the described streamlined resonant cavity (4), described near section (41), smooth connection becomes streamlined resonant cavity (4) between stage casing (42) and the section far away (43), described four branch branch airway (3) laterally side by side width be 175~195mm.
CNU2007200778564U 2007-12-29 2007-12-29 Streamline resonant cavity type inlet manifold Expired - Lifetime CN201144746Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200778564U CN201144746Y (en) 2007-12-29 2007-12-29 Streamline resonant cavity type inlet manifold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200778564U CN201144746Y (en) 2007-12-29 2007-12-29 Streamline resonant cavity type inlet manifold

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CN201144746Y true CN201144746Y (en) 2008-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101994620B (en) * 2009-08-25 2013-03-27 通用汽车环球科技运作公司 Intake manifold for uniformly supplying fuel-air mixture to combustion chamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101994620B (en) * 2009-08-25 2013-03-27 通用汽车环球科技运作公司 Intake manifold for uniformly supplying fuel-air mixture to combustion chamber

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Granted publication date: 20081105

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