CN104165104A - Exhaust gas resicrculation system - Google Patents
Exhaust gas resicrculation system Download PDFInfo
- Publication number
- CN104165104A CN104165104A CN201410342386.4A CN201410342386A CN104165104A CN 104165104 A CN104165104 A CN 104165104A CN 201410342386 A CN201410342386 A CN 201410342386A CN 104165104 A CN104165104 A CN 104165104A
- Authority
- CN
- China
- Prior art keywords
- valve
- exhaust gas
- recycling system
- eccentric rod
- framework
- 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.)
- Granted
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- Y02T10/121—
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention relates to an exhaust gas recirculation system. The bond produced by the pollution can be removed through intervention, the personnel staff operate by hand during the vehicle maintaining period, the exhaust gas recirculation system has at least one shaft (7) which is positioned on the other end of the eccentric rod (6), and the residual on the valve (2) can be cleaned through the mechanical transmission.
Description
Technical field
The present invention relates to exhaust gas recycling system, it is for reducing one of the most frequently used technology of explosive motor discharged nitrous oxides.
Background technique
Exhaust gas recirculatioon (EGR) is a kind of system, its objective is by making in-engine a part of exhaust gas recirculatioon again enter the heat of cylinder for reducing to produce due to burning, and controls environmentally harmful oxides of nitrogen gas (NO
x).It is widely used in current gasoline and diesel engine.
Entering the fresh air of motor and the mixture of spent exhaust has reduced combustion temperature and has reduced (in diesel engine) excessive amount of oxygen.Due to NO at high temperature
xthe generation of gas is accelerated, and controls temperature and also makes it possible to control NO
xthe generation of gas.
In egr system, a part of exhaust producing after the burning of carrying out in cylinder can not enter atmosphere, but it can be recycled and again be admitted to firing chamber.By this mode, combustion temperature is burnt and is lowered by interference, and the generation of nitrogen discharged thing is reduced.The gas flow being recycled in egr system adopts EGR valve to regulate according to motor calibration target.Poppet valve or fly valve can be used.In described system, by increasing the density of gas, in order to carry more gas to enter firing chamber, cooler for recycled exhaust gas is also used.When required colder of vent ratio, the water condensation in gas and by being combined with the coal ash being also present in gas forms the layer of mud shape bonding on EGR valve.This layer hardens in time by accumulation, and by the dry degree that prevents that valve from opening and closing that reaches.In EGR valve, applied some technology and prevented from by being combined with condensed water, becoming the bonding that mud shape produces by exhaust coal ash.Yet these technology are too to eliminate it about preventing that bonding is many.In order to prevent bonding, valve and valve seat are coated with the material that prevents specially bonding.In some implementations, when engine stop, valve is held open wittingly.Utilize this mode, by reducing bonding surface, can make bonding remain on the degree that valve motor can overcome.
In this case, when valve is in an open position, valve is stuck by bonding owing to polluting, because firing chamber has been full of the reduction of exhaust and oxygen level, and combustion efficiency reduction, the idling mode of interference and the problem of energy loss can occur.In this case, when valve is in the closed position, valve is stuck by bonding owing to polluting, and nitrogen oxygen effulent will increase.And will there is the possibility increasing and engine timing interrupts in the possibility of pinking.In this case, EGR valve is because pollution is stuck owing to being bonded in the position of opening or closing, and particularly electrically operated valve can not be repaired, and it need to be replaced.
American documentation literature US 2002144715, is being known in the art application, discloses a kind ofly for valve mobile equipment is again provided, and it is by using outside intervention to clean EGR valve, and does not need to dismantle any part of vehicle.This equipment comprises leading device, and it can be installed to removedly on the manifold of the motor of the position of EGR valve.Leading device comprises adaptive dish and nozzle assembly.This equipment further comprises the solvent manager that can be installed to removedly on leading device, for providing a certain amount of solvent to egr system.
Summary of the invention
The object of the present invention is to provide a kind of exhaust gas recycling system, wherein owing to polluting the bonding producing, can be removed by intervention, wherein get involved the manually-operable during vehicle maintenance by attendant.
Another object of the present invention is to provide a kind of exhaust gas recycling system, and when producing bonding, it does not need repairing or the replacing of valve.
Accompanying drawing explanation
The exhaust gas recycling system that is developed to meet the object of the invention is demonstrated in the accompanying drawings, wherein:
Fig. 1 is the schematic diagram of this exhaust gas recycling system.
Parts shown in figure all represent according to given below reference character:
1. exhaust gas recycling system
2. valve
3. valve shaft
4. framework
5. take turns
6. eccentric rod
7. axle.
Embodiment
Exhaust gas recycling system (1), wherein can be removed by intervention owing to polluting the bonding producing, and wherein gets involved the manually-operable during vehicle maintenance by attendant, specifically comprises:
-at least one valve (2),
-at least one valve shaft (3), is connected with valve (2) in its one end, and it preferably has cylindrical,
-at least one framework (4), it is positioned at the other end of valve shaft (3),
-at least one takes turns (5), and it can move freely in framework (4) inner side,
-at least one eccentric rod (6), wheel (5) is positioned at one end of eccentric rod (6),
-at least one axle (7), it is positioned at the other end of eccentric rod (6) and makes the residue on valve (2) can pass through cleaned by the mode of mechanical rotation.
In one embodiment of the invention, in this case, when the valve (2) in exhaust gas recycling system (1) is in an open position, valve (2) is because pollution is clung, and firing chamber is full of exhaust and oxygen level declines.In this case, combustion efficiency reduces, and for example idling mode disturbs this problem to occur.And in this case, when valve is closed, valve is due to the pollution knot that becomes sticky, nitrogen oxygen effulent increases.This causes motor to break down.In exhaust gas recycling system (1), it is developed to avoid these problems, and one end that valve shaft (3) is present in valve (2) can be passed through with the flow of determining gas.Valve shaft (3) movement of valve (2) and make valve (2) can be fixed on preferred position.Framework (4) is arranged on the other end of valve shaft (3).Framework (4) is the shape of hollow rectangle prism preferably.By thering is the framework (4) of such shape, be designed to make the wheel (5) that valve (2) moves up and down to be placed on wherein.Because the width of wheel (5) is less than the width of framework (4), wheel (5) can easily be moved according to preferred orientations.Wheel (5) is positioned at one end of eccentric rod (6), and axle (7) is positioned at the other end.Wheel (5) and axle (7) are connected to eccentric rod (6) by welding.The axle (7) that is positioned at eccentric rod (6) one end is manufactured into dimensionally and can be manually controlled, and axle (7) can be manually controlled.
The operation of exhaust gas recycling system (1) realizes by following: the personnel of clean valve (2) hold axle (7) and make axle (7) motion.By this mode, wheel (5) is mobile in framework (4).Wheel (5) is because it is connected to the mobile valve shaft of valve shaft (3) (3), thereby valve shaft (3) movement of valve (2).Valve (2) moves with the speed of described personnel's shifting axle (7).In the power that applies to axle (7) by described personnel, with after carrying out these motions, valve (2) moves and this moves opening and closing valve (2).By this process, eliminate the bonding that can produce in valve (2).
Claims (7)
1. an exhaust gas recycling system (1), wherein can be removed by intervention owing to polluting the bonding producing, and wherein gets involved the manually operation during vehicle maintenance by attendant, it is characterized in that:
At least one valve (2),
At least one valve shaft (3), is connected with valve (2) in its one end, and it preferably has cylinder form,
At least one framework (4), it is positioned at the other end of valve shaft (3),
At least one takes turns (5), and it can freely move in framework (4) inner side,
At least one eccentric rod (6), wheel (5) is positioned at one end of eccentric rod (6),
At least one axle (7), it is positioned at the other end of eccentric rod (6) and makes the residue on valve (2) can be cleaned by mechanically rotating.
2. exhaust gas recycling system according to claim 1 (1), is characterized in that valve (2), described valve (2) make gas can with the flow determined by and valve shaft (3) be arranged on one end of valve (2).
3. according to the exhaust gas recycling system (1) described in aforementioned claim any one, it is characterized in that valve shaft (3), described valve shaft (3) movement of valve (2) and make valve (2) can be fixed on preferred position.
4. according to the exhaust gas recycling system (1) described in aforementioned claim any one, it is characterized in that framework (4), described framework (4) is installed in the preferably shape of hollow rectangle prism of one end of valve shaft (3) and described framework (4).
5. according to the exhaust gas recycling system (1) described in aforementioned claim any one, it is characterized in that wheel (5), described wheel (5) is designed to up and down movement of valve (2) and described wheel (5) can easily be moved with preferred direction in framework.
6. according to the exhaust gas recycling system (1) described in aforementioned claim any one, it is characterized in that eccentric rod (6), wheel (5) is positioned at one end of described eccentric rod (6) and the other end that axle (7) is positioned at described eccentric rod (6).
7. according to the exhaust gas recycling system (1) described in aforementioned claim any one, it is characterized in that axle (7), one end and described axle (7) size that described axle (7) is positioned at eccentric rod (6) are manufactured into and can be manually controlled.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2013/05879 | 2013-05-16 | ||
| TR201305879 | 2013-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104165104A true CN104165104A (en) | 2014-11-26 |
| CN104165104B CN104165104B (en) | 2018-05-11 |
Family
ID=51909059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410342386.4A Expired - Fee Related CN104165104B (en) | 2013-05-16 | 2014-05-16 | Exhaust gas recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104165104B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863731A (en) * | 2015-06-08 | 2015-08-26 | 潍柴动力股份有限公司 | Self-cleaning method for EGR valve |
| US10253732B2 (en) * | 2014-05-30 | 2019-04-09 | Toyota Jidosha Kabushiki Kaisha | Supercharged internal combustion engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040103888A1 (en) * | 2001-05-23 | 2004-06-03 | Siemens Aktiengesellschaft | Device for preventing an exhaust gas recirculation valve from sticking after switching off an internal combustion engine |
| CN1641203A (en) * | 2003-10-24 | 2005-07-20 | 库帕-标准汽车（德国）有限责任公司 | Exhaust gas recirculation valve |
| US20060032485A1 (en) * | 2004-08-12 | 2006-02-16 | Borgwarner Inc. | Exhaust gas recirculation valve |
| CN101171416A (en) * | 2005-03-08 | 2008-04-30 | 博格华纳公司 | EGR valve having rest position |
| DE102011001535A1 (en) * | 2011-03-24 | 2012-09-27 | Pierburg Gmbh | Automotive exhaust gas recirculation valve assembly |
-
2014
- 2014-05-16 CN CN201410342386.4A patent/CN104165104B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040103888A1 (en) * | 2001-05-23 | 2004-06-03 | Siemens Aktiengesellschaft | Device for preventing an exhaust gas recirculation valve from sticking after switching off an internal combustion engine |
| CN1641203A (en) * | 2003-10-24 | 2005-07-20 | 库帕-标准汽车（德国）有限责任公司 | Exhaust gas recirculation valve |
| US20060032485A1 (en) * | 2004-08-12 | 2006-02-16 | Borgwarner Inc. | Exhaust gas recirculation valve |
| CN101171416A (en) * | 2005-03-08 | 2008-04-30 | 博格华纳公司 | EGR valve having rest position |
| DE102011001535A1 (en) * | 2011-03-24 | 2012-09-27 | Pierburg Gmbh | Automotive exhaust gas recirculation valve assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10253732B2 (en) * | 2014-05-30 | 2019-04-09 | Toyota Jidosha Kabushiki Kaisha | Supercharged internal combustion engine |
| CN104863731A (en) * | 2015-06-08 | 2015-08-26 | 潍柴动力股份有限公司 | Self-cleaning method for EGR valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104165104B (en) | 2018-05-11 |
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| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20200516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |