CN1530531B - Waste gas recirculating system of IC engine - Google Patents
Waste gas recirculating system of IC engine Download PDFInfo
- Publication number
- CN1530531B CN1530531B CN2004100086047A CN200410008604A CN1530531B CN 1530531 B CN1530531 B CN 1530531B CN 2004100086047 A CN2004100086047 A CN 2004100086047A CN 200410008604 A CN200410008604 A CN 200410008604A CN 1530531 B CN1530531 B CN 1530531B
- Authority
- CN
- China
- Prior art keywords
- gas
- outlet pipe
- flange
- egr
- exhaust
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Abstract
In an exhaust gas recirculating system for an internal combustion engine, having an EGR (gas) takeout tube connected to an exhaust system of the engine including an exhaust pipe at a location downstream of a catalytic converter for taking out exhaust gas generated by the engine to be recirculated to an air intake system of the engine, the exhaust pipe of the exhaust system is connected to a downstream end of the catalytic converter while being bent, and the EGR takeout tube is connected to the exhaust pipe on a side toward which the exhaust pipe is bent. At the same time, the EGR takeout tubeis connected to the exhaust pipe on a side, relative to the catalytic converter, opposite from auxiliary equipment such as an ACG. With this, it becomes possible to enhance rigidity of the EGR takeout tube and to improve space utilization of the exhaust system, while enabling to avoid auxiliary equipment installation space from being restricted and to diminish the effect of heat emitted from the EGR takeout tube on the auxiliary equipment.
Description
Technical field
The present invention relates to be used for the gas recirculation system of internal-combustion engine, especially relate to the mounting structure of ERG (exhaust gas recirculation) discharge tube, be used for waste gas is discharged and made its recirculation or turn back to gas handling system from motor discharge system, as ERG gas.
Background technique
Open the EGR discharge tube structure of having described the gas recirculation system that is used for internal-combustion engine among flat 4-175449 and the Te Kai 2002-180912 the Japanese Laid-Open Patent Application spy.
The gas recirculation system of Te Kaiping 4-175449 communique uses the EGR discharge tube, this discharge tube begins waste gas is discharged from the downstream that is contained in the catalyst in this engine exhaust system, this gas recirculation system makes exhaust gas recirculation arrive gas handling system, and it is equipped with the cooler that utilizes engine coolant to cool off EGR discharge tube (from heat absorption here) thereby cool off EGR gas.Open in the gas recirculation system of 2002-180912 communique the spy, it uses similar EGR discharge tube, by flange gas exhaust manifold is attached on the motor master unit, and the EGR discharge tube is connected on the motor master unit by the independent flange that is formed on the similar face the same with the flange of mentioning the above-mentioned first time.
In such gas recirculation system, the EGR discharge tube preferably has high as far as possible rigidity, because it will bear the vibration of motor.In addition, being restricted because can be used in the space of this vent systems, preferably should be can a space-saving correct position so select the position of installation EGR discharge tube.Yet top cited references is not all mentioned in these areas.
In addition, the starting on the pusher side of ACG (alternator), air condition compressor and other these class accessorys is being installed, the space that can be used for installing the EGR discharge tube is restricted, and in addition, these accessorys are subjected to the influence that heat produced of being dispersed by the EGR discharge tube easily.Although should consider these aspects, top cited references is not still mentioned in these areas yet.
In addition, in such gas recirculation system, due to the fact that, that is: the EGR discharge tube preferably has high as far as possible rigidity, because it will bear the vibration of motor; And during engine operation, this EGR discharge tube is heated to high temperature, so preferably take some measures the heat that dissipates from the EGR discharge tube.Yet above-cited reference is not still mentioned in these areas.
Disclose a kind of gas recirculation system of internal-combustion engine among the Te Kaiping 7-103081, upstream side EGR pipe is connected with downstream side EGR pipe, and the EGR pipe is connected on the point of the upstream of catalyst changer.
Summary of the invention
Therefore, an object of the present invention is to overcome above-mentioned defective by the gas recirculation system that a kind of internal-combustion engine is provided, it is characterized in that improving the rigidity of EGR discharge tube, so that discharge EGR gas and make its recirculation and save the space of vent systems by the mounting point of selecting the EGR discharge tube suitably.
Another object of the present invention provides a kind of gas recirculation system of internal-combustion engine, and wherein, this EGR discharge tube and can reduce the influence that heat that the EGR discharge tube distributes causes accessory to the installing space of accessory without limits.
Another object of the present invention provides a kind of gas recirculation system of internal-combustion engine, it is characterized in that strengthening the rigidity of EGR discharge tube, and the heat of the EGR discharge tube that can dissipate.
In order to reach these purposes, the invention provides a kind of gas recirculation system of internal-combustion engine, it has the gas outlet pipe that is connected on the engine exhaust system that is included in the outlet pipe on the catalyst downstream position, so that will discharge by the waste gas that motor produces, thereby make this exhaust gas recirculation get back to the gas handling system of this motor, it is characterized in that: the outlet pipe of this vent systems is connected to the downstream bending simultaneously of this catalyst; And on that side that this outlet pipe bends towards, this gas outlet pipe is connected on the described outlet pipe; Described vent systems comprises by flange and is fastened to gas exhaust manifold on the motor master unit; This gas outlet pipe is connected on this flange by pole; This gas outlet pipe is formed with the corrugated portion that increases with the surrounding atmosphere area of contact, thereby helps to cool off the waste gas from passing through here; And the downstream of this corrugated portion a bit on, this pole is connected on the gas outlet pipe.
Description of drawings
According to following description and accompanying drawing, above-mentioned and other purposes of the present invention and advantage will be clearer, wherein:
Fig. 1 is the perspective view that expression is contained in the recirculating system of engine exhaust gas according to an embodiment of the invention in the vehicle;
Fig. 2 is the perspective view of the engine-mounted gas recirculation system that draws in Fig. 1 of expression;
Fig. 3 is the perspective view of gas recirculation system that Fig. 1 of gas exhaust manifold is equipped with in expression;
Fig. 4 is the phantom at the gas recirculation system shown in Fig. 3;
Fig. 5 is the side view at the gas recirculation system shown in Fig. 3;
Fig. 6 is the amplification view in the part of the gas recirculation system shown in Fig. 4;
Fig. 7 is the schematic cross sectional view in the cylinder head shown in Fig. 2.
Embodiment
With reference now to accompanying drawing, explains engine exhaust gas recirculating system according to the embodiment of the invention.
Fig. 1 is that expression is contained in the perspective view according to this embodiment's engine exhaust gas recirculating system in the vehicle, and Fig. 2 is the perspective view of the engine-mounted gas recirculation system of expression, and Fig. 3 is the perspective view of expression gas exhaust manifold.Fig. 4 is that part of phantom at the gas recirculation system shown in Fig. 3, and Fig. 5 is its side view.
As shown in Figure 2, ACG (alternator) 14 and compressor 16 (compressor of the air-conditioning that do not draw in the drawings) are installed near the motor 10.Drive these accessorys by motor 10.In order to simplify accompanying drawing, in Fig. 1, omitted the parts outside the motor 10, and in Fig. 1 and other accompanying drawings, schematically shown motor 10.
In motor 10, flow through the suction tude (not shown) by air cleaner (not shown) inhaled air, and under the control of throttle valve (not shown), arrive the suction port (not shown) of each cylinder by intake manifold.(in Fig. 1, represent to be equipped with on it air inlet side of similarity pieces such as suction tude, intake manifold with reference number 18.)
At each cylinder place, air inlet mixes to produce air-fuel mixture with the Fuel Petroleum that is sprayed by the shower nozzle (not shown), and when opening the suction valve (not shown), this air-fuel mixture flows into the firing chamber, and this mixture is lighted in the firing chamber and burnt.When the outlet valve (not shown) was opened, the gas (waste gas) that burning generates flow to gas exhaust manifold 20.Purify this waste gas by the catalyst 22 that is contained in gas exhaust manifold 20 downstreams (in its lower section adjacent), and by outlet pipe 24 it is discharged into the outside afterwards.
Preferably as shown in Figure 3, gas exhaust manifold 20 (upstream) in the top is formed with flange 20a, and as shown in Figure 2, this gas exhaust manifold is gone up (more properly saying cylinder head) by the master unit 10a that flange 20a is installed to motor 10.In detail, as shown in Figure 3, by screw 26 being passed the hole that is formed on flange 20a and the intermediate gasket 30, and screw 26 is screwed into the screw insertion hole (not shown) of the cylinder head side that is formed on motor master unit 10a, gas exhaust manifold 20 can be installed.
Preferably as shown in Figure 5, the catalyst 22 that is arranged on the vent systems of the gas exhaust manifold 20 that comprises motor 10 and outlet pipe 24 comprises: cylindrical housings 22a and be sealed in catalyst bed 22b in this cylindrical housings 22a airtightly.This catalyst bed 22b is made up of three-way catalyst.
The thermoinsulation material (not shown) is arranged between the inwall of catalyst bed 22b and cylindrical housings 22a, thereby impels catalyst bed 22b heating when motor 10 starts.Shown in Fig. 3 and 4, use support 22c that this cylindrical housings 22a screw thread is fixed on the motor master unit 10a.Though do not describe in detail in the accompanying drawings, but can know that support 22c is soldered to the back of this cylindrical housings 22a, and, this catalyst 22 is fixed on the motor master unit 10a by screw 26 being passed the hole that is formed on the support 22c and they being screwed in the screw insertion hole that is formed in the motor master unit 10a side.
EGR discharge tube 32 (gas outlet pipe) is connected on the tapering part 24a of outlet pipe 24, so that combustion gas and make it arrive gas handling system as the EGR gas re-circulation, this gas handling system comprises the suction tude and the intake manifold of the motor 10 that is positioned at air inlet side 18.In detail, EGR discharge tube 32 is inserted in the hole that is formed on the tapering part 24a and is fixed by welding to the position.Therefore, this outlet pipe 24 is connected with catalyst 22, and bend simultaneously (having crooked shape), and EGR discharge tube 32 is connected that side that outlet pipe 24 bends towards.In addition, on its side relative with ACG14 or the like, EGR discharge tube 32 is connected with catalyst 22.
Like this, in this embodiment, in the gas recirculation system of internal-combustion engine 10, has EGR (gas) discharge tube 32 that is connected with this engine's exhaust system, this engine's exhaust system comprises the outlet pipe 24 that is positioned at catalyst 22 downstreams, be used for the waste gas that motor produces is discharged the gas handling system that also recirculation arrives motor, it is simultaneously crooked that the outlet pipe 24 of this vent systems is connected to the downstream of catalyst 22, and EGR discharge tube 32 is connected the outlet pipe 35 on that side that outlet pipe 24 bends towards.In addition, with respect to catalyst, on a side relative with (accessorys) such as ACG14, EGR discharge tube 32 is connected with outlet pipe 24.
The intermediate portion of EGR discharge tube 32 forms corrugated portion 32a.As shown in FIG., this corrugated portion 32a has the wave-like of the area of contact of increase and surrounding atmosphere.This helps heat by dissipation EGR discharge tube 32 to cool off waste gas (EGR gas) by this EGR discharge tube 32.
EGR discharge tube 32 extends to flange 20a from the downstream side of catalyst 22, is connected on the motor master unit 10a by its other end of this flange.Particularly, as shown in Figure 6, EGR discharge tube 32 is connected on the flange 20a by welding at its terminal 32b place that is inserted into the hole 20a1 that is formed in the flange 20a.Then, as shown in Figure 3, screw 26 is passed the hole that is formed on the flange 20a, and be screwed into the screw insertion hole in the sidewall that is formed on motor master unit 10a, thereby finish connection.
By pole 32c EGR discharge tube 32 and flange 20a bridge joint are got up, thereby EGR discharge tube 32 and flange 20a are connected with each other by pole 32c.(in Fig. 3, having omitted pole 32c).The downstream of this corrugated portion 32a a bit on, pole 32c is connected on the EGR discharge tube 32.(in specification, word " downstream " and " upstream " define with respect to the stream of the EGR gas from the vent systems to the gas handling system.) by welding pole 32c and flange 20a are coupled together, thereby flange 20a and pole 32c are become one.
Therefore, in this embodiment, vent systems comprises by flange 20c and is fastened to gas exhaust manifold 20 on the motor master unit 10a, be connected on the flange 20c by pole 32c with EGR discharge tube 32, the downstream of this corrugated portion 32a a bit on, pole 32c is connected on the EGR discharge tube 32, and pole 32c and flange 20c are coupled together, thereby become one.
As shown in Figure 6, on the part that is connected to flange 20a, the diameter of terminal 32b reduces.In other words, manufacture greater than diameter (inner diameter d 2) up to the diameter (inner diameter d 1) of the part that is connected with motor master unit 10a in the joint office with EGR discharge tube 32.Because can increase the surface area that contacts with surrounding atmosphere up to the joint office like this, also help heat by dissipation EGR discharge tube 32 to cool off EGR gas by this EGR discharge tube 32.
As shown in Figure 7, the EGR discharge tube 32 that is connected with motor master unit 10a is communicated with EGR valve 36 by the lid internal channel 10a1 in the cylinder head that is formed on motor master unit 10a subsequently.EGR valve 36 is regulated the flow velocity of EGR gas and is communicated with air inlet side 18 by the second lid internal channel 10a2.Therefore, the EGR gas stream is crossed and is covered internal channel 10a1, EGR valve 36 and the second lid internal channel 10a2, recirculation or turn back to gas handling system.Be formed near the engine cooling path 10 a3 of the second lid internal channel 10a2 and cool off EGR gas in illustrative mode.
As shown in Figure 1, in gas recirculation system according to this embodiment, gas exhaust manifold 20 and catalyst 22 all are positioned at the front of vehicle 12, and the air-flow (owing to travelling of vehicle produces) that grid 12b enters before therefore suffering to pass in the vehicle driving process.Yet, the back of grid 12b before radiator 38 is installed in, air-flow by radiator 38 arrives catalyst 22, and other air-flows blow over the path between the miscellaneous part on the car (not shown in the accompanying drawings), thereby blows on the catalyst 22 and with its cooling.
As mentioned above, this embodiment is arranged to like this, that is: in the gas recirculation system of internal-combustion engine 10, has the gas outlet pipe (EGR discharge tube 32) that is connected with this engine's exhaust system, this engine's exhaust system comprises the outlet pipe 24 that is positioned at catalyst 22 downstream positions, be used for the waste gas that motor produces is discharged the gas handling system that also recirculation arrives motor, it is simultaneously crooked that the outlet pipe 24 of this vent systems is connected to the downstream of catalyst 22, and this gas outlet pipe is connected the discharge tube on that side that outlet pipe 24 bends towards.Like this, this EGR discharge tube 32 can shorten, and increases rigidity, simultaneously owing to without any projection, also can save the space of vent systems.
In this system, on a side relative with the accessory (ACG14 etc.) that is driven by motor 10, gas outlet pipe (EGR discharge tube 32) is connected with outlet pipe 24 with respect to catalyst 22.Therefore, this layout not only can obtain aforesaid effect, and can reduce the influence of the accessory that heat that EGR discharge tube 32 distributes drives by motor 10 like this to ACG14 (alternator), air condition compressor 16 and other.In addition, EGR discharge tube 32 can be positioned properly, thereby avoids being subjected in this side of accessory and in the space other locational like this installations of strict restriction.
In this system, vent systems comprises by flange 20a and is fastened to gas exhaust manifold 20 on the master unit 10a of motor 10, and this gas outlet pipe (EGR discharge tube 32) is connected on the flange 20a by pole 32c.Therefore, by means of pole 32c, this layout can strengthen the rigidity of EGR discharge tube.In addition, can perhaps discharge in the air by the heat transferred flange 20a of transmission of heat the EGR discharge tube by pole.
In this system, this gas outlet pipe (EGR discharge tube 32) is formed with the corrugated portion 32a that increases with the surrounding atmosphere area of contact, thereby help to cool off the waste gas by here, and the downstream of this corrugated portion a bit on, 32c is connected on the gas outlet pipe with pole.By shortening pole 32c, this layout can strengthen the rigidity of EGR discharge tube.
In this system, pole 32c and flange 20a are coupled together, they are become one.This structure not only can obtain above-mentioned effect and benefit, and can reduce the quantity and the number of assembling steps of parts.
It should be noted that above-mentioned catalyst 22 is not limited to illustrative structure, also can construct in the mode of any needs.
It shall yet further be noted that the present invention also can be used in outboard motor or other motors of propulsion of vessels, wherein the bent axle vertical orientation of motor 10.
Claims (5)
1. the gas recirculation system of an internal-combustion engine, it has the gas outlet pipe that is connected on the engine exhaust system that is included in the outlet pipe on the catalyst downstream position, so that discharge the waste gas that produces by motor, and make this exhaust gas recirculation get back to the gas handling system of this motor
It is characterized in that:
The outlet pipe of this vent systems is connected to the downstream bending simultaneously of this catalytic converter; And
On that side that this outlet pipe bends towards, this gas outlet pipe is connected on the described outlet pipe;
Described vent systems comprises by flange and is fastened to gas exhaust manifold on the motor master unit;
This gas outlet pipe is connected on this flange by pole;
This gas outlet pipe is formed with the corrugated portion that increases with the surrounding atmosphere area of contact, thereby helps to cool off the waste gas from passing through here;
And the downstream of this corrugated portion a bit on, this pole is connected on the gas outlet pipe.
2. the gas recirculation system of internal-combustion engine according to claim 1 is characterized in that, this pole and this flange couple together, thereby become one.
3. the gas recirculation system of internal-combustion engine according to claim 1 is characterized in that, this pole couples together by welding and this flange, thereby becomes one.
4. the gas recirculation system of internal-combustion engine according to claim 1, it is characterized in that this pole couples together by welding and this flange, thereby becomes one, described gas outlet pipe is inserted into the tail end that is formed on the hole in the flange at it, is connected on the flange by welding.
5. the exhaust gas recirculation of internal-combustion engine according to claim 4 is characterized in that, the diameter of the end of described outlet pipe reduces, so that the diameter of described outlet pipe becomes a less diameter at the part place that is connected with the motor master unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP067916/2003 | 2003-03-13 | ||
| JP2003067916A JP4267349B2 (en) | 2003-03-13 | 2003-03-13 | Exhaust gas recirculation device for internal combustion engine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101363366A Division CN1932275B (en) | 2003-03-13 | 2004-03-12 | Exhaust gas recirculation system for an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1530531A CN1530531A (en) | 2004-09-22 |
| CN1530531B true CN1530531B (en) | 2010-09-29 |
Family
ID=33285386
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100086047A Expired - Fee Related CN1530531B (en) | 2003-03-13 | 2004-03-12 | Waste gas recirculating system of IC engine |
| CN2006101363366A Expired - Fee Related CN1932275B (en) | 2003-03-13 | 2004-03-12 | Exhaust gas recirculation system for an internal combustion engine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101363366A Expired - Fee Related CN1932275B (en) | 2003-03-13 | 2004-03-12 | Exhaust gas recirculation system for an internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4267349B2 (en) |
| CN (2) | CN1530531B (en) |
| TW (1) | TWI237674B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6091923A (en) * | 1983-10-26 | 1985-05-23 | 藤本 水石 | Culture container of mushroom |
| DE102008042819B4 (en) * | 2008-10-14 | 2021-08-05 | Robert Bosch Gmbh | Method and device for determining a total cylinder charge and / or the current residual gas rate in an internal combustion engine with exhaust gas recirculation |
| US9435297B2 (en) * | 2011-08-10 | 2016-09-06 | Honda Motor Co., Ltd. | EGR device for internal combustion engine |
| CN102493896A (en) * | 2011-12-14 | 2012-06-13 | 重庆长安汽车股份有限公司 | Exhaust manifold for exhaust gas recirculation (EGR) engine |
| JP2014043772A (en) * | 2012-08-24 | 2014-03-13 | Toyota Motor Corp | Cylinder head |
| JP2014092049A (en) * | 2012-11-01 | 2014-05-19 | Toyota Motor Corp | Corrosion suppression structure of egr piping |
| JP6245421B2 (en) * | 2013-07-19 | 2017-12-13 | ダイハツ工業株式会社 | Internal combustion engine with EGR device |
| JP6230098B2 (en) * | 2013-07-19 | 2017-11-15 | ダイハツ工業株式会社 | EGR introduction pipeline |
| JP6291219B2 (en) * | 2013-11-08 | 2018-03-14 | ダイハツ工業株式会社 | Catalytic converter |
| JP6468963B2 (en) * | 2015-07-15 | 2019-02-13 | 株式会社三五 | Method for forming cylindrical body |
| JP6761571B2 (en) * | 2017-02-06 | 2020-09-30 | 日本ガスケット株式会社 | Engine structure |
| JP7063679B2 (en) * | 2018-03-29 | 2022-05-09 | ダイハツ工業株式会社 | EGR device for internal combustion engine |
| JP7375604B2 (en) | 2020-02-21 | 2023-11-08 | マツダ株式会社 | Engine exhaust circulation system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6230695B1 (en) * | 1999-03-22 | 2001-05-15 | Caterpillar Inc. | Exhaust gas recirculation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163875Y (en) * | 1993-06-28 | 1994-05-04 | 邹桂怀 | Energy-saving, silencing exhaust apparatus for internal combustion engine |
-
2003
- 2003-03-13 JP JP2003067916A patent/JP4267349B2/en not_active Expired - Fee Related
-
2004
- 2004-03-03 TW TW093105560A patent/TWI237674B/en not_active IP Right Cessation
- 2004-03-12 CN CN2004100086047A patent/CN1530531B/en not_active Expired - Fee Related
- 2004-03-12 CN CN2006101363366A patent/CN1932275B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6230695B1 (en) * | 1999-03-22 | 2001-05-15 | Caterpillar Inc. | Exhaust gas recirculation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1932275B (en) | 2012-03-07 |
| CN1932275A (en) | 2007-03-21 |
| CN1530531A (en) | 2004-09-22 |
| TWI237674B (en) | 2005-08-11 |
| JP2004278342A (en) | 2004-10-07 |
| TW200427920A (en) | 2004-12-16 |
| JP4267349B2 (en) | 2009-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1530531B (en) | Waste gas recirculating system of IC engine | |
| CN101605973B (en) | Intake device and charge-air cooler unit in an internal combustion engine | |
| US6807955B2 (en) | Exhaust gas cooler with bypass tube and exhaust gas recirculation valve | |
| JP4629264B2 (en) | An internal combustion engine, in particular an automobile, with an exhaust gas recirculation system | |
| US6513507B2 (en) | Intake manifold module | |
| JP5293550B2 (en) | Multi-cylinder engine intake system | |
| US20200095923A1 (en) | Intake and exhaust device for vehicle | |
| WO2006135335A1 (en) | A cooler arrangement | |
| CN104712415A (en) | Engine system having turbocharger | |
| JP4267654B2 (en) | Exhaust gas recirculation device for internal combustion engine | |
| JP2008297919A (en) | Air intake system | |
| US7069894B2 (en) | Intake manifold having intake pipes linked by transverse acoustic synchronization channels with exhaust gas recirculation inlets | |
| CN101943076B (en) | Cylinder cover cooling structure of engine | |
| CN111542692B (en) | Air intake device for a heat engine | |
| WO2008032975A1 (en) | Air inhalation device for use in an internal combustion engine | |
| US6871699B1 (en) | Engine coolant conduit with integral alternator and exhaust gas recirculation valve | |
| JPH06173782A (en) | Egr supply device for engine | |
| KR100423290B1 (en) | a cooling system arrangement structure for vehicles | |
| KR200361349Y1 (en) | Flange for Gas Tank Mounting of E.G.R. Cooler | |
| JP2003184676A (en) | Installing structure of vacuum tank | |
| JP2002250253A (en) | Exhaust gas recirculation system | |
| JP2004257329A (en) | Exhaust reflux device of internal combustion engine | |
| CN2403905Y (en) | Tail gas purifier for vehicle | |
| JPH0960524A (en) | Intake device for engine with mechanical supercharger | |
| JPH0318662Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 |