CN103423042A - Engine and air inlet pipe thereof - Google Patents

Engine and air inlet pipe thereof Download PDF

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Publication number
CN103423042A
CN103423042A CN201210159319XA CN201210159319A CN103423042A CN 103423042 A CN103423042 A CN 103423042A CN 201210159319X A CN201210159319X A CN 201210159319XA CN 201210159319 A CN201210159319 A CN 201210159319A CN 103423042 A CN103423042 A CN 103423042A
Authority
CN
China
Prior art keywords
suction tude
air inlet
air
described
air outlet
Prior art date
Application number
CN201210159319XA
Other languages
Chinese (zh)
Inventor
张猛
杨学文
王露
韦锦顺
丁志强
庞进军
Original Assignee
安徽华菱汽车有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 安徽华菱汽车有限公司 filed Critical 安徽华菱汽车有限公司
Priority to CN201210159319XA priority Critical patent/CN103423042A/en
Publication of CN103423042A publication Critical patent/CN103423042A/en

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Abstract

The invention discloses an air inlet pipe of an engine. An air inlet (3) is formed in one end of the air inlet pipe, a plurality of air outlets (2) are formed in the pipe wall of the air inlet pipe, and the area of the cross section of the air inlet pipe gradually decreases in the direction of being far away from the air inlet (3). When the air inlet pipe of the engine is used, part of fresh air is exhausted through the air outlet which is closer to the air inlet, due to the fact that the area of the cross section of the air inlet pipe decreases gradually, the flow velocity of the fresh air in the air inlet pipe is larger than the flow velocity of fresh air when the area of the cross section of an air inlet pipe is constant, more fresh air can flow into one end, far away from the air inlet, of the air inlet pipe, more fresh air can flow into the air outlet which is far away from the air inlet, and the amount of the fresh air flowing into the air outlets can be even. The invention further discloses the engine with the air inlet pipe.

Description

Motor and suction tude thereof

Technical field

The present invention relates to technical field of engines, relate in particular to a kind of suction tude of motor, the invention still further relates to a kind of motor with above-mentioned suction tude.

Background technique

The suction tude of motor is the main pipeline of engine aspirating system, and the fresh air that suction tude sucks is more, and oil inflame is just more abundant.In multicylinder engine, suction tude has a suction port and a plurality of air outlet be connected with the cylinder of motor, wherein suction port is at an end of suction tude, and a plurality of air outlets are distributed on the tube wall of suction tude, has so just caused a plurality of air outlets all not identical apart from the distance of suction port.When fresh air being arranged from suction port enters suction tude, the direction of extending along suction tude is from the air outlet exhaust, so just cause the fresh air of nearlyer its suction in position of air outlet and suction port just more, the fresh air more sucked away from the air outlet of suction port is fewer, thereby make in engine operation process, anoxic in some cylinders, burn abundant not, oxygen abundance in some cylinders, burn more abundant, the working condition difference of each cylinder is larger, and then also larger on the torsional vibration impact of bent axle.

In sum, how a kind of suction tude of motor is provided, thereby the amount of fresh air that its each air outlet that effectively solves suction tude is sucked is inhomogeneous, cause the larger problem of working condition difference of each cylinder, be current those skilled in the art's urgent problem.

Summary of the invention

In view of this, first purpose of the present invention is to provide a kind of suction tude of motor, it is inhomogeneous that the structural design of the suction tude of this motor can solve the amount of fresh air that each air outlet of suction tude sucks effectively, the larger problem of working condition difference that causes each cylinder, second purpose of the present invention is to provide a kind of automobile that comprises the suction tude of above-mentioned motor.

In order to reach above-mentioned first purpose, the invention provides a kind of suction tude of motor, one end of described suction tude is provided with suction port, and is provided with a plurality of air outlets on its tube wall, and the cross-section area of described suction tude reduces gradually along the direction away from described suction port.

Preferably, in above-mentioned suction tude, the mouth end of a plurality of described air outlets is provided with the sealing surface around described air outlet.

Preferably, in above-mentioned suction tude, a plurality of described sealing surfaces are all in the same plane.

Preferably, in above-mentioned suction tude, be provided with the first cavity volume on the outer wall of the downside of described air outlet.

Preferably, in above-mentioned suction tude, on the outer wall between every two air outlets of described suction tude, be provided with the second cavity volume.

Preferably, in above-mentioned suction tude, the inwall of the upside of described suction tude is specially first skew wall downward-sloping away from an end of described air outlet.

Preferably, in above-mentioned suction tude, the inwall relative with described air outlet of described suction tude is the second skew wall that bottom tilts to the direction near described air outlet.

Preferably, in above-mentioned suction tude, be provided with six air outlets on the tube wall of described suction tude.

A kind of motor, have the described suction tude of above-mentioned any one.

One end of the suction tude of motor provided by the present invention is provided with suction port, and is provided with a plurality of air outlets on its tube wall, and the direction that the cross-section area of this suction tude prolongs away from suction port in addition reduces gradually.

While stating in the use the suction tude of motor, fresh air, from suction port enters suction tude, along the suction tude circulation, is discharged from air outlet.If the cross-section area of suction tude is constant, when a part of fresh air from discharging near the several air outlets of suction port, the flow velocity of remaining fresh air can be more and more lower, the fresh air that flows into like this air inlet pipe end far away apart from suction port is less, thereby the fresh air of inflow air outlet far away apart from suction port is also less.The direction that the cross-section area of suction tude provided by the invention prolongs away from suction port reduces gradually, like this when a part of fresh air from discharging near the air outlet of suction port, because the cross-section area of suction tude reduces gradually, so the flow velocity when velocity ratio cross-section area of fresh air in suction tude is constant is high, so have the end far away apart from suction port that more fresh air flows into suction tude, thereby have more fresh air and flow into the air outlet far away apart from suction port, make the amount of the fresh air that flows into each air outlet more even, thereby the difference between the working condition of each cylinder is diminished.

In order to reach above-mentioned second purpose, the present invention also provides a kind of motor, and this motor comprises above-mentioned any suction tude.Because above-mentioned suction tude has above-mentioned technique effect, the motor with this suction tude also should have corresponding technique effect.

In sum, it is inhomogeneous that the suction tude of motor provided by the present invention can solve the amount of fresh air that each air outlet of suction tude sucks effectively, causes the larger problem of working condition difference of each cylinder.

The accompanying drawing explanation

In order to be illustrated more clearly in the technological scheme in the present invention, the accompanying drawing used in below describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The plan view of the inlet tube that Fig. 1 is the motor that provides in the embodiment of the present invention;

The sectional view of the inlet tube that Fig. 2 is the motor that provides in the embodiment of the present invention;

Fig. 3 prolongs the sectional view that the A-A direction is dissectd in Fig. 2.

In accompanying drawing, mark is as follows:

1-sealing surface, 2-air outlet, 3-suction port, 4-the first cavity volume, 5-the second cavity volume, 6-the first skew wall, 7-the second skew wall.

Embodiment

In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment for the present invention is described, but should be appreciated that these are described is in order to further illustrate the features and advantages of the present invention, rather than limiting to the claimed invention.

First purpose of the present invention is to provide a kind of suction tude of motor, it is inhomogeneous that the structural design of the suction tude of this motor can solve the amount of fresh air that each air outlet 2 of suction tude sucks effectively, the larger problem of working condition difference that causes each cylinder, second purpose of the present invention is to provide a kind of automobile that comprises the suction tude of above-mentioned motor.

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making all other embodiments that obtain under the creative work prerequisite, belong to the scope of protection of the invention.

As Figure 1-3, an end of the suction tude of the motor provided in the embodiment of the present invention is provided with suction port 3, and is provided with a plurality of air outlets 2 on its tube wall, and the direction that the cross-section area of this suction tude prolongs away from suction port 3 in addition reduces gradually.

While stating in the use the suction tude of motor, fresh air is from suction port 3 enters suction tude, and along the suction tude circulation, from air outlet, 2 discharge.If the cross-section area of suction tude is constant, when a part of fresh air from discharging near several air outlets 2 of suction port 3, the flow velocity of remaining fresh air can be more and more lower, the fresh air that flows into like this air inlet pipe end far away apart from suction port 3 is less, thereby the fresh air of inflow air outlet 2 far away apart from suction port 3 is also less.The direction that the cross-section area of suction tude provided by the invention prolongs away from suction port 3 reduces gradually, like this when a part of fresh air from discharging near the air outlet 2 of suction port 3, because the cross-section area of suction tude reduces gradually, so the flow velocity when velocity ratio cross-section area of fresh air in suction tude is constant is high, so have the end far away apart from suction port 3 that more fresh air flows into suction tude, thereby have more fresh air and flow into the air outlet 2 far away apart from suction port 3, make the amount of the fresh air that flows into each air outlet 2 more even, thereby the difference between the working condition of each cylinder is diminished.

In order further to optimize technique scheme, in above-mentioned suction tude, for the better tightness between the junction surface that makes air outlet 2 and cylinder cap, can also the sealing surface 1 around air outlet 2 be set at the mouth end of a plurality of air outlets 2.When mounted, the sealing surface of air outlet end 1 and the end face of the suction port of cylinder cap are fitted, strengthened the sealing at this place.Preferably, a plurality of sealing surfaces around air outlet 21 can also be arranged at grade.

Wherein, in order to mount and dismount more easily this suction tude and the volume that reduces suction tude in limited space, can on the outer wall of the downside of air outlet 2, the first cavity volume 4 be set, can also on the outer wall between every two air outlets 2 of suction tude, the second cavity volume 5 be set simultaneously.

Wherein, in order to make the fresh air in suction tude more easily flow to air outlet 2, the inwall of upside that can suction tude is set to first skew wall 6 downward-sloping away from an end of air outlet 2, and the resistance with the inwall that increases upside, make fresh air more flow to a side of air outlet 2.Simultaneously, the inwall relative with air outlet 2 that can also suction tude is set to the second skew wall 7 that bottom tilts to the direction near air outlet 2, can make equally fresh air more flow to air outlet 2.

Wherein, six air outlets 2 can be set on the tube wall of suction tude, to be applied to six cylinder engine.

The suction tude of the motor based on providing in above-described embodiment, the present invention also provides a kind of motor, and this motor comprises the suction tude of above-mentioned any one motor.Because this motor has adopted the suction tude of the motor in above-described embodiment, so the beneficial effect of this motor please refer to above-described embodiment.

In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference that between each embodiment, identical similar part is mutually referring to getting final product.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates and gets final product referring to method.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiments will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. the suction tude of a motor, an end of described suction tude is provided with suction port (3), and is provided with a plurality of air outlets (2) on its tube wall, it is characterized in that, and the direction that the cross-section area of described suction tude prolongs away from described suction port (3) reduces gradually.
2. suction tude according to claim 1, is characterized in that, the mouth end of a plurality of described air outlets (2) is provided with the sealing surface (1) around described air outlet (2).
3. suction tude according to claim 2, is characterized in that, a plurality of described sealing surfaces (1) are all in the same plane.
4. suction tude according to claim 1, is characterized in that, is provided with the first cavity volume (4) on the outer wall of the downside of described air outlet (2).
5. suction tude according to claim 4, is characterized in that, on the outer wall between every two described air outlets (2) of described suction tude, is provided with the second cavity volume (5).
6. suction tude according to claim 1, is characterized in that, the inwall of the upside of described suction tude is specially first skew wall (6) downward-sloping away from an end of described air outlet (2).
7. suction tude according to claim 6, is characterized in that, the inwall relative with described air outlet (2) of described suction tude is the second skew wall (7) that bottom tilts to the direction near described air outlet (2).
8. suction tude according to claim 1, is characterized in that, is provided with six air outlets (2) on the tube wall of described suction tude.
9. a motor, is characterized in that, has the described suction tude of any one in the claims 1-8.
CN201210159319XA 2012-05-22 2012-05-22 Engine and air inlet pipe thereof CN103423042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210159319XA CN103423042A (en) 2012-05-22 2012-05-22 Engine and air inlet pipe thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210159319XA CN103423042A (en) 2012-05-22 2012-05-22 Engine and air inlet pipe thereof

Publications (1)

Publication Number Publication Date
CN103423042A true CN103423042A (en) 2013-12-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005113854A (en) * 2003-10-10 2005-04-28 Nissan Motor Co Ltd Intake device of internal combustion engine
JP2007064108A (en) * 2005-08-31 2007-03-15 Suzuki Motor Corp Intake device of engine
CN100362228C (en) * 2002-11-20 2008-01-16 爱知机械工业株式会社 Installation structure of intake manifold
CN201739048U (en) * 2009-05-22 2011-02-09 福特环球技术公司 Air inlet manifold for multi-air cylinder internal combustion engine
CN201843712U (en) * 2010-11-11 2011-05-25 小康汽车产业(集团)有限公司 Engine intake manifold
CN202250501U (en) * 2011-08-25 2012-05-30 力帆实业(集团)股份有限公司 Intake manifold for automobile engine
CN202645792U (en) * 2012-05-22 2013-01-02 安徽华菱汽车有限公司 Engine and air inlet pipe thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100362228C (en) * 2002-11-20 2008-01-16 爱知机械工业株式会社 Installation structure of intake manifold
JP2005113854A (en) * 2003-10-10 2005-04-28 Nissan Motor Co Ltd Intake device of internal combustion engine
JP2007064108A (en) * 2005-08-31 2007-03-15 Suzuki Motor Corp Intake device of engine
CN201739048U (en) * 2009-05-22 2011-02-09 福特环球技术公司 Air inlet manifold for multi-air cylinder internal combustion engine
CN201843712U (en) * 2010-11-11 2011-05-25 小康汽车产业(集团)有限公司 Engine intake manifold
CN202250501U (en) * 2011-08-25 2012-05-30 力帆实业(集团)股份有限公司 Intake manifold for automobile engine
CN202645792U (en) * 2012-05-22 2013-01-02 安徽华菱汽车有限公司 Engine and air inlet pipe thereof

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Application publication date: 20131204