CN1526925A - Engine exhaust recirculating apparatus - Google Patents
Engine exhaust recirculating apparatus Download PDFInfo
- Publication number
- CN1526925A CN1526925A CNA2004100069037A CN200410006903A CN1526925A CN 1526925 A CN1526925 A CN 1526925A CN A2004100069037 A CNA2004100069037 A CN A2004100069037A CN 200410006903 A CN200410006903 A CN 200410006903A CN 1526925 A CN1526925 A CN 1526925A
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- valve
- control valve
- egr control
- type actuator
- main body
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- 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
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
To use an exhaust recirculation control valve in a comparatively low temperature state in an exhaust recirculation control device having the exhaust recirculation control valve disposed in an exhaust recirculation passage connecting between an intake system connected to an intake port of an engine body and an exhaust port of the engine body. The engine body 11 is constructed in a liquid-cooled type to be cooled by circulation of cooling liquid, and the cooling liquid for cooling the exhaust recirculation control valve 81 is guided to the exhaust recirculation control valve 81.
Description
Technical field
The present invention relates to a kind of engine exhaust recycling device that EGR control valve is set in the exhaust gas recirculation passages that the relief opening with gas handling system and engine main body links to each other, this gas handling system is connected with the suction port of engine main body.
Background technique
For example, known a kind of exhaust gas re-circulation apparatus in patent document 1, wherein on the intermediate portion of exhaust gas recirculation passages EGR control valve is set, this exhaust gas recirculation passages is used for making part exhaust gas recirculatioon by the relief opening of engine main body to gas handling system.
[patent document 1]
JP-UM-B-61-43969
In above-mentioned technology, EGR control valve is installed on the cylinder block of motor.Yet, because motor is an air-cooled type, and in addition because EGR control valve is being installed near the relief opening on the cylinder block, the temperature of EGR control valve is elevated to a relatively large numerical value, needs to take measures to improve resistance to heat thus.In addition, in order to improve the efficient of waste-gas cleaning, the power type actuator that needs one of use to be used for EGR control valve improves the control performance of opening.Yet the temperature that is difficult in EGR control valve is elevated under the situation of an aforesaid higher relatively temperature value and uses this power type actuator.
Summary of the invention
In light of this situation, a problem to be solved by this invention provides a kind of engine exhaust recycling device, and wherein EGR control valve can be worked under the relatively low state of temperature.
In order to achieve the above object, invention according to claim 1 is a kind of engine exhaust recycling device, wherein on the exhaust gas recirculation passages of the relief opening that connects gas handling system and engine main body, an EGR control valve is set, this gas handling system is connected with the suction port of engine main body, it is characterized by, engine main body is configured to the liquid cooled engine that can be cooled off by the circuit cooling liquid, and cooling liquid is guided to EGR control valve with the cooled exhaust gas recirculation control valve.
In structure according to claim 1, because EGR control valve can be cooled off by cooling liquid, therefore can under the relatively low state of temperature, use EGR control valve, so it is not necessary improving the measure of resistance to heat, and the mode that can improve the control performance of opening by the power type actuator that utilizes EGR control valve improves the efficient of waste-gas cleaning.
Except structure of the present invention according to claim 1, invention according to claim 2 is characterised in that, be used to distribute the block jacket of cooling liquid to be arranged on engine main body, and EGR control valve is installed on the outer wall of engine main body, so that by cooling off from the cooling liquid in the block jacket.In such structure, EGR control valve directly is installed on the engine main body, can use under the relatively low state of temperature simultaneously, thereby can make the whole motor that comprises EGR control valve be configured to be of compact construction.
Except structure of the present invention according to claim 1, invention according to claim 3 is characterised in that, EGR control valve comprises that the valve portion of an intermediate portion that can open and close exhaust gas recirculation passages and one are connected to the power type actuator that is used for the actuating valve part on the valve portion, and the part on the valve portion of the diversed side that is arranged on the power type actuator to valve casing of cooling liquid.In such structure, the excessive temperature ground that has prevented the valve portion of EGR control valve descends, with the activation of the waste gas of keeping recirculation, the transmission of heat that suppresses effectively simultaneously from valve portion to the power type actuator raises with the temperature of control power type actuator.
Except structure of the present invention according to claim 1, invention according to claim 4 is characterised in that, be used for distributing the block jacket of cooling liquid to be arranged on the cylinder block of component part engine main body, and its internal surface is formed with an opening towards the outer wall of the cylinder block of block jacket, this opening and block jacket and be communicated with around the mounting portion of opening, and EGR control valve is installed on the mounting portion, so that the part on the side of power type actuator by valve casing is closed opening, this EGR control valve comprises valve portion and is connected being used on the valve portion and drive the power type actuator of valve body that described valve portion has the intermediate portion and the valve body of device in valve casing that can open and close exhaust gas recirculation passages.
In structure according to claim 4, do not have at EGR control valve under the situation of opening, the liquid cooling water jacket of cylinder block opens towards the outside by opening, and can easily form the liquid cooling water jacket thus when putting cylinder block.In addition, the excessive temperature that can prevent the valve portion of EGR control valve descends, so that keep the activation of the waste gas of recirculation, suppress simultaneously from valve portion to the transmission of heat the power type actuator rising effectively with the temperature of control power type actuator, in addition, can also simplify be used for the cooled exhaust gas recirculation control valve structure to improve its assembly performance.
Description of drawings
Fig. 1 is a kind of side view of motorcycle.
Fig. 2 is the side view of the part of motor.
The sectional view of Fig. 3 for intercepting along the line 3-3 among Fig. 2.
The sectional view of Fig. 4 for intercepting along the line 4-4 among Fig. 3.
The sectional view of Fig. 5 for intercepting along the line 5-5 among Fig. 3.
Embodiment
One embodiment of the present of invention according to expression in the accompanying drawings describe implementing mode of the present invention.
Fig. 1 to Fig. 5 represents one embodiment of the present of invention.Fig. 1 is a kind of side view of motorcycle; Fig. 2 is the side view of the part of motor; The sectional view of Fig. 3 for intercepting along the line 3-3 among Fig. 2; The sectional view of Fig. 4 for intercepting along the line 4-4 among Fig. 3; The sectional view of Fig. 5 for intercepting along the line 5-5 among Fig. 3.
In Fig. 1, motorcycle V comprises a front-wheel WF and the trailing wheel WR at rear vehicle at Vehicular body front, and this wheel WF rotatably is supported on the lower end of front fork 7, this front fork can by steering handle 6 left, turn right.Trailing wheel WR rotatably is supported on the rear end of swing arm 8, and this swing arm 8 is supported by car body, so as to make progress, to lower swing, and be provided with rear shock absorber 9 between swing arm 8 and the car body.
The Package power P that will be installed on the car body is arranged between front-wheel WF and the trailing wheel WR.Package power P comprises that a four-stroke liquid cooling direct jet-type petrol engine E with the cylinder-bore axis C that tilts to the front upper place and one are used for changing the gearbox M of the output speed of motor E, and the output of this gearbox M is delivered to trailing wheel WR by a chain (not shown).
In Fig. 2 to Fig. 4, the engine main body 11 of motor E comprises that a crankcase 12, one can be connected to the cylinder block 13 on the crankcase 12, the cylinder head 14 and the valve mechanism cover 15 that can be connected at the opposite side of cylinder block 13 on the cylinder head 14 that can be connected at the opposite side of crankcase 12 on the cylinder block 13, this engine main body 11 is installed on the motorcycle V, and cylinder head 14 1 sides are made progress slightly.
Piston 17 is assembled in the cylinder-bore 16 that is arranged on the cylinder block 13 slidably, this piston 17 is connected on bent axle 10 (not shown) that rotatably supported by crankcase 12 by connecting rod 18 and crank pin (not shown), and between cylinder block 13 and cylinder head 14, forms a firing chamber 19 that exposes the top of piston 17.
Spark plug 26 is installed on the cylinder head 14, so that removing intake valve port 20 ... with be exposed in the firing chamber 19 on other positions outside the exhaust valve port 22.
Suction valve 27 ... be assemblied in the guiding cylinder 30 that is individually fixed on the cylinder head 14 slidably ... on, valve spring 32 ... be arranged at and be separately fixed at from guiding cylinder 30 ... positioning work piece 31 on the end of the suction valve 27 that stretches out ... and between the cylinder head 14, suction valve 27 ... on the direction of cut-off valve by by valve spring 32 ... the spring force that applies promotes.Outlet valve 29 is assemblied in the guiding cylinder 33 that is fixed on the cylinder head 14 slidably, and valve spring 35 is arranged between positioning work piece 34 and the cylinder head 14, and this positioning work piece 34 and cylinder head 14 all are fixed on the end of the outlet valve 29 that stretches out from guiding cylinder 33.Outlet valve 29 is promoted by the spring force that applies by valve spring 35 on the direction of cut-off valve.
The air inlet side pitman arm shaft 36 and the exhaust side pitman arm shaft 37 that are parallel to the axis extension of bent axle are supported by valve mechanism cover 15, and abut against suction valve 27 with air inlet side first rocking arm 38 that the mode that can pivot supports by air inlet side pitman arm shaft 36 ... the end, exhaust side first rocking arm 39 that is supported in the mode that can pivot by exhaust side pitman arm shaft 37 abuts against the end of outlet valve 29.
On the other hand, the two ends that are parallel to the camshaft 41 that air inlet side pitman arm shaft 36 and exhaust side pitman arm shaft 37 extend are rotatably supported by cylinder block 13 and the lid 40 that is fixed on the cylinder block 13 by ball bearing 42,43, be used for the cam chain 45 that reduces to half from the rotating power of bent axle and transmit the power that has reduced is wrapped in the driven sprocket 44 that is installed on the camshaft 41, so that do not relatively rotate mutually.
Air inlet side cam 46 and exhaust side cams 47 all are fixed on the camshaft 41, and are all supported in the mode that can pivot by cylinder block 13 by the air inlet side second rocking arm (not shown) of air inlet side cam 46 drivings and exhaust side second Rocker arm 49 that is driven by exhaust side cams 47.The pivot movement of air inlet side second rocking arm passes to air inlet side first rocking arm 38 by air inlet thruster bar 50, and the pivot movement of exhaust side second Rocker arm 49 passes to exhaust side first rocking arm 39 by exhaust side push rod 51.
In other words, drive sprocket 55 forms with the driven sprocket 44 that is installed on the camshaft 41, so that do not relatively rotate mutually, and power is delivered on the compressed air pump 54 by the endless chain 56 that is wrapped on the drive sprocket 55.Like this, compressed air pump 54 is the Reciprocatory compressed air pump with the operative axis that is parallel to cylinder-bore axis C extension, and is converted into the to-and-fro motion of compressed air pump 54 by the crank mechanism (not shown) from the rotating power that endless chain 56 transmits.
On the other hand, valve mechanism cover 15 is made an integral body with columniform nozzle holder 64, thereby when valve mechanism cover 15 and cylinder head 14 are combined, the end of nozzle holder 64 abuts against the rear end of air-fuel injection valve 58, described cylindrical nozzle holder 64 is assemblied on the fuel injection valve 59 and is keeping this valve, clamps air-fuel injection valve 58 with respect to cylinder head 14 simultaneously.Be used for being fixed on the rear end of nozzle holder 64 with respect to the clamping plate 65 of the rear end of nozzle holder 64 clamping fuel injection valves 59.
And the annular fuel oil chamber 66 of the internal communication of fuel injection valve 59 forms between nozzle holder 64 and fuel injection valve 59, and a pair of being used for plants fuel injection valve 59 and the nozzle holder 64 from the sealing component 67,68 of sandwich annular fuel oil chamber 66.In addition, valve mechanism cover 15 is provided with a supplying fuel passage 69 that is communicated with annular fuel oil chamber 66, and the fuel oil that is adjusted to constant pressure is fed in the annular fuel oil chamber 66 by supplying fuel passage 69.
The annular air casing 70 that is communicated with air-fuel injection valve 58 forms between the rear end of the far-end of fuel injection valve 59 and air-fuel injection valve 58 and nozzle holder 64.Pressurized air from compressed air pump 54 is supplied in the annular air casing 70.
Engine main body 11 is configured to the liquid cooling that can cool off by the recirculation cooling liquid.Be used for distributing the block jacket 71,72 of cooling liquid to be separately positioned on the cylinder block 13 and cylinder head 14 of engine main body 11.The gas handling system 74 that comprises suction tude 73 is connected on the suction port 23 of cylinder head 14, and the downstream of the outlet pipe 75 that links to each other with the relief opening 24 of cylinder head 14 is connected to and will be set on the exhaust silencer 76 on right side of trailing wheel WR.
Part waste gas by relief opening 24 passes through exhaust gas recirculation passages 80 towards gas handling system 74 recirculation, and EGR control valve 81 is arranged on the intermediate portion of exhaust gas recirculation passages 80.
A top recirculation line 80a of exhaust gas recirculation passages 80 is between EGR control valve 81 and relief opening 24, this passage 80a is limited in the upstream line 82, this upstream line 82 is arranged between cylinder head 14 and the EGR control valve 81, and the downstream line 80b between EGR control valve 81 and gas handling system 74 of exhaust gas recirculation passages 80 is limited in the downstream line 83, and this downstream line 83 is arranged between the suction tude 73 and EGR control valve 81 of gas handling system 74.
With reference to accompanying drawing 5, EGR control valve 81 comprises equally: a valve portion 84, and it can open and close the intermediate portion of exhaust gas recirculation passages 80; A power type actuator 85, it is used for driving connected valve portion 84, by being arranged on the cooling liquid of the block jacket 71,72 on the engine main body 11, especially the cooling liquid of the block jacket 71 of the cylinder block 13 of process engine main body 11 is diversed to the EGR control valve 81 that is installed on the cylinder block 13, so that cool off this EGR control valve 81.
The valve portion 84 of EGR control valve 81 comprises: a valve casing 86, the valve seat member 87 that will be fixed in the valve casing 86, the valve body 88 that can be placed on the valve seat member 87, and one be used for producing elastic force so that 88 of valve bodies are gone into the return spring 89 on the valve seat member 87.
By valve body 88 being placed in the center of the valve seat member 87 that is arranged in upstream valve chamber 92, valve body 88 can be blocked between upstream valve chamber 92 and the downstream valve chamber 93, and integrally is arranged at an end of valve shaft 94, and this valve shaft passes the center of valve seat member 87 loosely.Valve shaft 94 passes partition part 86a, so that can move along axial direction, and the cylindrical guide member 95 with the outer periphery sliding contact of valve shaft 94 is contained in the opening of partition part 86a, so that the motion of guiding valve shaft 94 and prevent that gas from leaking from downstream valve chamber 93.
Positioning work piece 96 is installed on the other end of valve shaft 94, and return spring 89 is arranged under contraction state between the spring containing seat 97 and positioning work piece 96 that is held by partition part 86a.
Power type actuator 85 be configured to can be for example output by stepper motor make live axle 98 actions, this live axle 98 along the axial direction coaxial line be resisted against on the other end of valve shaft 94, the housing 99 of power type actuator 85 is connected on the other end of valve casing 86, so that be formed for holding the spring housing 100 of return spring 89 with respect to baffle chamber 86a.
Like this, the exhaust flow flux between upstream valve chamber 92 and downstream valve chamber 93 can be controlled by following manner, that is, the elastic force ground of resisting return spring 89 by the operation of power type actuator 85 along axial direction drives valve shaft 94.
The upstream extremity of the upstream line 82 of the upstream recirculation line 80a of formation exhaust gas recirculation passages 80 is inserted in the cylinder head 14, so that be connected with relief opening 24, and have a ring sealing part 101 with respect to cylinder head 14 therebetween, sealing parts 101 are by screwing in the cylindrical retaining member 102 round the upstream extremity of upstream line 82 and be fastened in the cylinder head 14 clamping securely and being sealed in thus between upstream line 82 and the cylinder head 14.Therefore, the upstream extremity of upstream line 82 can slide along axial direction, and is connected to airtightly on the cylinder head 14.
The downstream of upstream line 82 is screwed in the valve casing 86 of EGR control valve 81, so that the downstream of upstream recirculation line 80a is connected with upstream valve chamber 92, and ring sealing part 103 is planted between valve casing 86 and the upstream line 82.
The downstream line 83 that forms the downstream recirculation line 80b of exhaust gas recirculation passages 80 is provided with a flange 83a at its upstream end, this flange 83a is fixed on the valve casing 86 by pair of bolts 104,104, so that the upstream extremity of downstream recirculation line 80b is connected with downstream valve chamber 93.Downstream line 83 is provided with a flange 83b in downstream, and the downstream of downstream recirculation line 80b is connected with the inside of suction tude 73 by flange 83b, and this flange 83b is by a plurality of bolts 105 ... be fixed on the suction tude 73 of gas handling system 74.
Its internal surface of cylinder block 13 is formed with an opening 106 that is connected with block jacket 71 facing to the outer wall of block jacket 71, and is provided with a mounting portion 107 around opening 106.EGR control valve 81 is by a plurality of, and for example pair of bolts 108,108 is installed on the mounting portion 107, so that close opening 106 by the part on the side of power type actuator 85 of valve casing 86.
In other words, form an integral body corresponding to the flange 110 of mounting portion 107 and the part corresponding to spring housing 100 of valve chest 86, and comprise that a flange 110 with respect to the packing ring 109 of mounting portion 107 insertions is fixed on the mounting portion 107 by bolt 108,108.Thereby valve casing 86 or EGR control valve 81 are installed on the cylinder block 13, so that close opening 106 by the flange 110 of valve casing 86.
In addition, flange 110 is provided with an open pore 111 that communicates with spring housing 100 and one at open pore 111 be used for making open pore 111 to lead to the groove 112 that forms a passage between the outside packing ring 109.
Below, will the operation of present embodiment be described.Because cooling liquid is directed to the EGR control valve 81 that is arranged in the exhaust gas recirculation passages 80, and this exhaust gas recirculation passages 80 connects the suction tude 73 of gas handling system 74 and the relief opening of engine main body 11, wherein said suction tude 73 links to each other with the suction port 23 of the liquid cooled engine main body 11 that can cool off by the recirculation cooling liquid, EGR control valve 81 can be cooled off by cooling liquid thus, so EGR control valve 81 can use under the relatively low state of temperature.Therefore, the resistance to heat of needn't taking measures to improve, and the mode that can strengthen the may command performance of opening by the power type actuator 85 that utilization is used for EGR control valve 81 improves the efficient of waste-gas cleaning.
In addition, because EGR control valve 81 is installed on the outer wall of cylinder block 13, so that by cooling off from the cooling liquid of the block jacket 71 on the cylinder block 13 that is arranged at engine main body 11, EGR control valve 81 can be directly installed on the cylinder block 13 of engine main body 11, and can use this valve simultaneously under the relatively low state of temperature, thereby the whole motor E that comprises EGR control valve 81 can be constructed to be of compact construction.
Because EGR control valve 81 comprises the valve portion 84 of the intermediate portion that can open and close exhaust gas recirculation passages 80 and is connected to the power type actuator 85 that is used for actuating valve part 84 on the valve portion 84, and the side at power type actuator 85 that will be directed to valve casing 86 from the cooling liquid of block jacket 71 is arranged on the part on the valve portion 84, the excessive temperature that can prevent the valve portion 84 of EGR control valve 81 descends, to keep the activation of EGR gas, the transmission of heat that suppresses effectively simultaneously from valve portion 84 to power type actuator 85 is risen with the temperature of controlling power type actuator 85.
Have towards the outer wall of the cylinder block 13 of the internal surface of block jacket 71 and be provided with opening 106, this opening 106 and block jacket 71 and be connected around the mounting portion 107 of opening 106, EGR control valve 81 is installed on the mounting portion 107, thereby the part on the valve portion 84 that opening 106 is arranged at by the side at power type actuator 85 of valve casing 86 is closed.
In other words, under EGR control valve 81 was not contained in wherein state, the liquid cooling water jacket 71 of cylinder block 13 led to the outside by opening 106, can form liquid cooling water jacket 71 at an easy rate thus when packing cylinder block 13 into.
In addition, can simplify be used for cooled exhaust gas recirculation control valve 81 structure to improve its assembly performance.
Although so far embodiments of the invention are described, the present invention is not limited thereto, can carry out various modifications under not breaking away from by the prerequisite of the described scope of the present invention of claims in design.
As mentioned above, according to claim 1, because EGR control valve can be cooled off by cooling liquid, and can under the relatively low state of temperature, use EGR control valve thus, the resistance to heat of need not taking measures to improve, and the mode that can improve the control performance of opening by the power type actuator that utilization is used for EGR control valve improves the efficient of waste-gas cleaning.
According to claim 2, EGR control valve can be directly installed on the engine main body, can use under the relatively low state of temperature simultaneously, thereby the whole motor that comprises EGR control valve is of compact construction.
According to claim 3, can prevent that the excessive temperature of the valve portion of EGR control valve from descending to keep the activation of EGR gas, suppress transmission of heat simultaneously effectively with the rising of the temperature of control power type actuator from valve portion to the power type actuator.
According to claim 4, can when packing cylinder block into, form the liquid cooling water jacket at an easy rate.In addition, the excessive temperature that can prevent the valve portion of exhaust cycle control valve descends to keep the activation of EGR gas, suppress simultaneously transmission of heat effectively with the rising of the temperature of control power type actuator from valve portion to the power type actuator, in addition, can simplify be used for the cooled exhaust gas recirculation control valve structure to improve its assembly performance.
Claims (4)
1. engine exhaust recycling device, be included in the EGR control valve (81) that is provided with in the exhaust gas recirculation passages (80) of the relief opening (24) that connects gas handling system (74) and engine main body (11), described gas handling system is connected on the suction port (23) of engine main body (11), it is characterized in that, engine main body is configured to the liquid cooling that can cool off by the recirculation cooling liquid, and cooling liquid is directed to EGR control valve (81), to cool off this EGR control valve (81).
2. engine exhaust recycling device according to claim 1, it is characterized in that, be used for distributing the block jacket (71,72) of cooling liquid to be arranged on the engine main body (11), and EGR control valve (81) is installed on the outer wall of engine main body (11), so that by cooling off from the cooling liquid of block jacket (71,72).
3. engine exhaust recycling device according to claim 1, it is characterized in that, EGR control valve (81) comprises a valve portion (84) and a power type actuator (85), described valve portion can open and close the intermediate portion of exhaust gas recirculation passages (80), described power type actuator is connected to valve portion (84) and goes up and be used for actuating valve part (84), and the cooling liquid side at power type actuator (85) that is directed into valve casing (86) is arranged at the part on the valve portion (84).
4. engine exhaust recycling device according to claim 1, it is characterized in that, be used to distribute the block jacket (71) of cooling liquid to be arranged on the cylinder block (13) of component part engine main body (11), and have be provided with on the outer wall of the cylinder block (13) of the internal surface of block jacket (71) one with block jacket (71) and the opening (106) that is connected around the mounting portion (107) of opening (106), and the EGR control valve (81) that comprises valve portion (84) and power type actuator (85) is installed on the mounting portion (107), so that close opening (106) by the part on the side of power type actuator (85) of valve casing (86), wherein said valve portion (84) has the intermediate portion that can open and close exhaust gas recirculation passages (80) and is contained in valve body (88) in the valve casing (86), and described power type actuator (85) is connected in valve portion (84) and goes up and be used to drive valve body (88).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP052985/2003 | 2003-02-28 | ||
JP2003052985A JP4119281B2 (en) | 2003-02-28 | 2003-02-28 | Engine exhaust gas recirculation system |
Publications (2)
Publication Number | Publication Date |
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CN1526925A true CN1526925A (en) | 2004-09-08 |
CN100445527C CN100445527C (en) | 2008-12-24 |
Family
ID=33117721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100069037A Expired - Fee Related CN100445527C (en) | 2003-02-28 | 2004-02-26 | Engine exhaust recirculating apparatus |
Country Status (2)
Country | Link |
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JP (1) | JP4119281B2 (en) |
CN (1) | CN100445527C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101818696A (en) * | 2008-12-02 | 2010-09-01 | 福特环球技术公司 | Method for adjusting exhaust gas recirculation rate of internal combustion engine |
CN101501305B (en) * | 2006-08-10 | 2011-09-07 | 戴姆勒股份公司 | Internal combustion engine |
CN102312755A (en) * | 2010-05-28 | 2012-01-11 | 福特环球技术公司 | Cooled EGR system at engine cold-start heats freezing mixture |
US8572964B2 (en) | 2008-03-06 | 2013-11-05 | Daimler Ag | Method for recuperating energy from an exhaust gas flow and motor vehicle |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5381250B2 (en) * | 2009-04-02 | 2014-01-08 | スズキ株式会社 | Bi-fuel internal combustion engine |
JP2021169770A (en) * | 2018-07-12 | 2021-10-28 | ヤマハ発動機株式会社 | Spark ignition type engine unit and vehicle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3696347B2 (en) * | 1996-11-07 | 2005-09-14 | 本田技研工業株式会社 | Cylinder head structure in engine |
JP3388157B2 (en) * | 1997-10-13 | 2003-03-17 | 日野自動車株式会社 | EGR valve cooling structure |
JP2000002114A (en) * | 1998-06-15 | 2000-01-07 | Hino Motors Ltd | Engine cooling device |
-
2003
- 2003-02-28 JP JP2003052985A patent/JP4119281B2/en not_active Expired - Fee Related
-
2004
- 2004-02-26 CN CNB2004100069037A patent/CN100445527C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101501305B (en) * | 2006-08-10 | 2011-09-07 | 戴姆勒股份公司 | Internal combustion engine |
US8572964B2 (en) | 2008-03-06 | 2013-11-05 | Daimler Ag | Method for recuperating energy from an exhaust gas flow and motor vehicle |
CN101818696A (en) * | 2008-12-02 | 2010-09-01 | 福特环球技术公司 | Method for adjusting exhaust gas recirculation rate of internal combustion engine |
CN102312755A (en) * | 2010-05-28 | 2012-01-11 | 福特环球技术公司 | Cooled EGR system at engine cold-start heats freezing mixture |
Also Published As
Publication number | Publication date |
---|---|
CN100445527C (en) | 2008-12-24 |
JP2004263599A (en) | 2004-09-24 |
JP4119281B2 (en) | 2008-07-16 |
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Granted publication date: 20081224 Termination date: 20140226 |