CN208900181U - A kind of tailpipe and engine - Google Patents
A kind of tailpipe and engine Download PDFInfo
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- CN208900181U CN208900181U CN201821500929.0U CN201821500929U CN208900181U CN 208900181 U CN208900181 U CN 208900181U CN 201821500929 U CN201821500929 U CN 201821500929U CN 208900181 U CN208900181 U CN 208900181U
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- exhaust
- tailpipe
- branch pipe
- exhaust manifold
- exhaust branch
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Abstract
The utility model discloses a kind of tailpipes, including the exhaust manifold connect for being in communication with the outside;Multiple exhaust branch pipes for being connected from different boosters, and exhaust branch pipe is connected with exhaust manifold;The inner cavity of exhaust manifold is additionally provided with multiple diversion cavities for being respectively used to be connected with the exhaust branch pipe, and two diversion cavities of arbitrary neighborhood are not connected to.The process of the circulation of gas outlet of the booster exhaust gas from the air inlet of different exhaust branch pipes to diversion cavity is independent from each other, it does not interfere with each other, therefore, which can not only effectively reduce crushing, reduce oil consumption, additionally it is possible to effectively improve the scavenging ability of complete machine.The invention also discloses a kind of engines using above-mentioned tailpipe.
Description
Technical field
The utility model relates to technical field of engines, in particular to a kind of tailpipe and engine.
Background technique
Booster refers to air-admission pressure-booster for engine, by compressed air, improves the density of the induced air of engine, thus
The power per liter of engine is improved, simultaneously because the mixed firinor fuel burning adjusting of engine is improved, efficiency of combustion is improved, may be used also
To play the effect saved fuel oil and reduce discharge.
For being equipped with the engine of multiple boosters, especially large-scale marine engine, in order to guarantee vehicle or whole ship
It is vented property easy to connect, design tailpipe is generally required and summarizes air exit for being connected with the exhaust pipe of vehicle or whole ship,
When only one or two booster, arrangement is relatively easy, but when the quantity of booster is more than two, summarizes the mistake of exhaust
It tends to that gas is caused to influence each other during circulation in journey, can not only improve back pressure, increase oil consumption.It also will affect whole
The scavenging ability of machine,
Therefore, how a kind of tailpipe is provided, back pressure can not only be reduced, reduces oil consumption, additionally it is possible to effectively improve whole
The technical issues of scavenging ability of machine is those skilled in the art's urgent need to resolve.
Utility model content
In view of this, back pressure can not only be reduced the purpose of this utility model is to provide a kind of tailpipe, reduce oil
Consumption, additionally it is possible to effectively improve the scavenging ability of complete machine.
The another object of the utility model, which also resides in, provides a kind of engine.
To achieve the above object, the utility model provides the following technical solutions:
A kind of tailpipe, comprising:
Exhaust manifold for being in communication with the outside;
Multiple exhaust branch pipes for being connected from different boosters, and the exhaust branch pipe and the exhaust manifold phase
Connection;
The inner cavity of the exhaust manifold is additionally provided with multiple diversion cavities for being respectively used to be connected with the exhaust branch pipe, and
Two diversion cavities of arbitrary neighborhood are not connected to.
Preferably, the distance between the outlet port of the diversion cavity and the outlet port of the exhaust manifold are 0-
60mm。
Preferably, the exhaust branch pipe includes the intermediate exhaust branch pipe being set in the exhaust manifold and side exhaust branch
Pipe;
The diversion cavity includes the intermediate diversion cavity for being connected with the intermediate exhaust branch pipe, and is used for and the side
The side diversion cavity that portion's exhaust branch pipe is connected.
Preferably, the inner cavity of the exhaust manifold is provided with cylinder guide shell and forms the intermediate diversion cavity;
Isolation board, the isolation board, the circle are provided between the cylinder guide shell and the inner wall of the exhaust manifold
The outer wall of column guide shell and the inner wall of the exhaust manifold form the side diversion cavity.
Preferably, the outlet port of the cylinder guide shell is 0- at a distance from the outlet port of the exhaust manifold
60mm。
Preferably, gas flow guiding slot is additionally provided on the inner wall of the side diversion cavity.
Preferably, the outlet port of the exhaust manifold is additionally provided with gas outlet flange.
A kind of engine, including tailpipe, the tailpipe are the tailpipe as described in above-mentioned any one.
As can be seen from the above technical solutions, tailpipe disclosed in the utility model, including for being in communication with the outside
The exhaust manifold connect;Multiple exhaust branch pipes for being connected from different boosters, and exhaust branch pipe and exhaust manifold phase
Connection;The inner cavity of exhaust manifold is additionally provided with multiple diversion cavities for being respectively used to be connected with the exhaust branch pipe, and any phase
Adjacent two diversion cavities are not connected to.The booster exhaust gas being discharged from different boosters is first into different exhaust branch pipes,
Then it is entered from exhaust branch pipe in the diversion cavity being connected with exhaust branch pipe, then flows to the outlet of exhaust manifold out of diversion cavity
Mouthful end, is finally outwardly discharged from the outlet port of exhaust manifold, due to the inner cavity of exhaust manifold be provided with it is multiple for not
The diversion cavity that same exhaust branch pipe is connected, and two diversion cavities of arbitrary neighborhood are not connected to.Therefore booster exhaust gas is from different
The process of circulation of the air inlet of exhaust branch pipe to the gas outlet of diversion cavity is independent from each other, and is not interfered with each other, therefore, should
Tailpipe can not only effectively reduce crushing, reduce oil consumption, additionally it is possible to effectively improve the scavenging ability of complete machine.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it is clear that, the accompanying drawings in the following description is only
The embodiments of the present invention without creative efforts, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to the attached drawing of offer.
Fig. 1 is the overall structure diagram of tailpipe disclosed in the utility model embodiment;
Fig. 2 is the schematic view of the front view of tailpipe disclosed in the utility model embodiment;
Fig. 3 is the overlooking structure diagram of tailpipe disclosed in the utility model embodiment.
Wherein, the names of the parts are as follows:
1- exhaust manifold, the centre 11- diversion pipe, the side 12- diversion pipe, the gas outlet 13- flange, 2- intermediate exhaust branch pipe,
The side 3- exhaust branch pipe, 31- gas flow guiding slot.
Specific embodiment
In view of this, the core of the utility model is to provide a kind of tailpipe, crushing can not only be reduced, reduces oil
Consumption, additionally it is possible to effectively improve the scavenging ability of complete machine.
Another core of the utility model, which also resides in, provides a kind of engine.
In order to make those skilled in the art better understand the scheme of the utility model, connection with figures and specific implementation below
The utility model is described in further detail for mode.
Tailpipe disclosed in the utility model embodiment, including the exhaust manifold 1 connect for being in communication with the outside;It is more
A exhaust branch pipe for being connected from different boosters, and exhaust branch pipe is connected with exhaust manifold 1;Exhaust manifold 1
Inner cavity is additionally provided with multiple diversion cavities for being respectively used to be connected with the exhaust branch pipe, and two diversion cavities of arbitrary neighborhood do not connect
It is logical.
The booster exhaust gas being discharged from different boosters is first into different exhaust branch pipes, then from exhaust branch
Pipe enters in the diversion cavity being connected with exhaust branch pipe, then the outlet port of exhaust manifold 1 is flowed to out of diversion cavity, finally from
The outlet port of exhaust manifold 1 is outwardly discharged, since the inner cavity of exhaust manifold 1 is provided with multiple be used for and different exhaust branch
The diversion cavity that pipe is connected, and two diversion cavities of arbitrary neighborhood are not connected to.Therefore booster exhaust gas is from different exhaust branch pipes
The process of circulation of air inlet to the gas outlet of diversion cavity is independent from each other, and is not interfered with each other, therefore, the tailpipe is not
Crushing can be only effectively reduced, reduces oil consumption, additionally it is possible to effectively improve the scavenging ability of complete machine.
Preferably, the distance between the outlet port of diversion cavity and the outlet port of exhaust manifold 1 be set as 0-60mm it
Between, so set, the pressure loss can be effectively reduced.
More preferably, the distance between the outlet port of diversion cavity and the outlet port of exhaust manifold 1 are set as 30mm-
60mm, by test of many times it can be concluded that, so set, the pressure loss can be reduced further.
As shown in Figure 1, in order to advanced optimize above-described embodiment, tailpipe disclosed in the utility model embodiment
In, exhaust branch pipe includes the intermediate exhaust branch pipe 2 and side exhaust branch pipe 3 being set in exhaust manifold 1;Diversion cavity includes being used for
The intermediate diversion cavity 11 being connected with intermediate exhaust branch pipe 2, and the side diversion cavity for being connected with side exhaust branch pipe 3
12。
Wherein, intermediate exhaust branch pipe 2 is vertical setting with exhaust manifold 1, and side exhaust branch pipe 3 and exhaust manifold 1 are at one
Fixed angle setting.
It should be noted that the inner cavity of exhaust manifold 1, which is provided with cylinder guide shell, forms intermediate diversion cavity 11;Cylinder water conservancy diversion
Isolation board, isolation board, the outer wall of cylinder guide shell and the inner wall of exhaust manifold 1 are provided between cylinder and the inner wall of exhaust manifold 1
Form side diversion cavity 12.When using above-mentioned arrangement form, it is only necessary to guarantee outlet port and the exhaust master of cylinder guide shell
The distance of the outlet port of pipe 1 is set as between 0-60mm.So set, from intermediate diversion cavity 11 and side diversion cavity
After the booster exhaust gas of 12 outflows mixes in exhaust manifold 1, the external world is discharged to from the outlet port of exhaust manifold 1.
In order to guarantee that booster exhaust gas can smoothly flow directly into the gas outlet of exhaust manifold 1 from side exhaust branch pipe 3
End, the utility model embodiment is additionally provided with gas flow guiding slot 31 in the inner wall of side diversion cavity 12, to further reduce
The resistance that gas encounters during flowing through side diversion cavity 12.
In order to be connected with vehicle/ship, outlet flange 13, outlet are additionally provided in the outlet port of exhaust manifold 1
Exhaust manifold 1 and the effective connection of vehicle/ship may be implemented in flange 13.
The utility model embodiment, without specifically limiting, is not departing from this reality to the setting form and quantity of exhaust branch pipe
Under the premise of with new design spirit, various changes and improvements made by those of ordinary skill in the art should all fall into this reality
With in the determining protection scope of novel claims.
The utility model embodiment also discloses a kind of engine, including tailpipe, and tailpipe is as any of the above-described
Tailpipe disclosed in embodiment.
As the engine use the tailpipe such as above-described embodiment disclosed in, the having both of engine arrange
The technical advantage of gas tail pipe, present specification no longer repeat this.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of tailpipe characterized by comprising
Exhaust manifold (1) for being in communication with the outside;
Multiple exhaust branch pipes for being connected from different boosters, and the exhaust branch pipe and the exhaust manifold (1) phase
Connection;
The inner cavity of the exhaust manifold (1) is additionally provided with multiple diversion cavities for being respectively used to be connected with the exhaust branch pipe, and
Two diversion cavities of arbitrary neighborhood are not connected to.
2. tailpipe according to claim 1, which is characterized in that the outlet port of the diversion cavity and exhaust master
Managing the distance between the outlet port of (1) is 0-60mm.
3. tailpipe according to claim 1, which is characterized in that
The exhaust branch pipe includes intermediate exhaust branch pipe (2) and the side exhaust branch pipe being set on the exhaust manifold (1)
(3);
The diversion cavity includes the intermediate diversion cavity (11) for being connected with the intermediate exhaust branch pipe (2), and is used for and institute
State the side diversion cavity (12) that side exhaust branch pipe (3) is connected.
4. tailpipe according to claim 3, which is characterized in that
The inner cavity of the exhaust manifold (1) is provided with cylinder guide shell and forms the intermediate diversion cavity (11);
Isolation board, the isolation board, the cylinder are provided between the cylinder guide shell and the inner wall of the exhaust manifold (1)
The outer wall of guide shell and the inner wall of the exhaust manifold (1) form the side diversion cavity (12).
5. tailpipe according to claim 4, which is characterized in that the outlet port of the cylinder guide shell and the row
The distance that gas is responsible for the outlet port of (1) is 0-60mm.
6. tailpipe according to claim 3, which is characterized in that also set up on the inner wall of the side diversion cavity (12)
There are gas flow guiding slot (31).
7. tailpipe according to claim 1, which is characterized in that the outlet port of the exhaust manifold (1) is also set up
There are gas outlet flange (13).
8. a kind of engine, including tailpipe, which is characterized in that the tailpipe is such as claim 1-7 any one
The tailpipe.
Priority Applications (1)
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CN201821500929.0U CN208900181U (en) | 2018-09-13 | 2018-09-13 | A kind of tailpipe and engine |
Applications Claiming Priority (1)
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CN201821500929.0U CN208900181U (en) | 2018-09-13 | 2018-09-13 | A kind of tailpipe and engine |
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CN208900181U true CN208900181U (en) | 2019-05-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159402A (en) * | 2019-06-28 | 2019-08-23 | 潍柴动力股份有限公司 | A kind of intermediate tube and post-processing assembly |
-
2018
- 2018-09-13 CN CN201821500929.0U patent/CN208900181U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159402A (en) * | 2019-06-28 | 2019-08-23 | 潍柴动力股份有限公司 | A kind of intermediate tube and post-processing assembly |
CN110159402B (en) * | 2019-06-28 | 2024-01-12 | 潍柴动力股份有限公司 | Intermediate pipe and aftertreatment assembly |
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