CN202578980U - Combined air inlet pipe for EGR diesel engine - Google Patents
Combined air inlet pipe for EGR diesel engine Download PDFInfo
- Publication number
- CN202578980U CN202578980U CN2012202305956U CN201220230595U CN202578980U CN 202578980 U CN202578980 U CN 202578980U CN 2012202305956 U CN2012202305956 U CN 2012202305956U CN 201220230595 U CN201220230595 U CN 201220230595U CN 202578980 U CN202578980 U CN 202578980U
- Authority
- CN
- China
- Prior art keywords
- egr
- air inlet
- pipe
- exhaust gas
- cooler
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 50
- 238000007789 sealing Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses a combined air inlet pipe for EGR diesel engine, which comprises an engine air inlet pipe orifice, an air inlet pipe air outlet, an EGR cooler water inlet and outlet pipe orifice, an EGR cooler return pipe orifice, an EGR cooler water path, an EGR gas intake pipe joint and an EGR air inlet pipeline, wherein the EGR cooler water inlet and outlet pipe orifice is communicated with the EGR cooler return pipe orifice through the EGR cooler water path, the EGR gas intake pipe joint is communicated with the EGR air inlet pipeline, and the EGR air inlet pipeline and the engine air inlet pipe orifice are communicated with the air inlet pipe air outlet; the EGR cooler water inlet and outlet pipe opening, the EGR cooler water return pipe opening, the EGR cooler water path, the EGR gas taking pipe joint, the EGR gas inlet pipeline engine gas inlet pipe opening and the gas inlet pipe gas outlet are integrated into a whole. The utility model discloses relative current technique, part quantity and kind reduce, are favorable to reducing complete machine manufacturing cost and administrative cost. In addition, the temperature difference between the water temperature in the water path of the EGR cooler and the temperature of the exhaust gas in the EGR air inlet pipeline can be utilized to further cool the exhaust gas in the EGR air inlet pipeline, so that the secondary cooling of the air inlet of the engine is realized.
Description
Technical field
The utility model relates to technical field of internal combustion engines, refers to a kind of EGR (Exhaust Gas Recirculation, exhaust gas recirculatioon) use for diesel engine combined type suction tude particularly.
Background technique
For satisfying the requirement of country, simultaneously, consider that from cost and regional convenience aspect EGR becomes the effective means that diesel engine reaches emission request at present to diesel engine state IV, state's V and state's VI discharging.On the EGR DENG; Owing to need consider the layout of pressurized machine, cooler for recycled exhaust gas simultaneously; The installation that also can relate to PTO (POWER TAKE OFF, PTO) etc. that has, therefore spatially; The suction port of engine air inlet tube is arranged and there are many restrictions in the layout of cooler for recycled exhaust gas, is difficult to cooler for recycled exhaust gas outlet and engine air inlet tube import are arranged with holding.Generally adopt casting at traditional EGR engine air inlet tube, and EGR suction tude and cooler for recycled exhaust gas backwater are realized through external pipeline all.External pipeline is owing to have more jointing; Just there is the risk of revealing in sealing part between the joint, and external pipeline is too much, and occupation space is bigger; Make the profile of motor not attractive in appearance; And the fixing corresponding fasteners that also needs of external pipeline, even need special support, this all makes the kind of machine part and quantity increase.
In addition; Chinese patent CN201020675369.X; Disclose a kind of air intake manifold of automotive engine, the disclosed technology of this patent is used for petrol engine, and the main purpose of this patent is to make intake manifold be convenient to parts such as setting pressure sensor, canister; To have a complete machine pipeline that more jointing brings complicated but do not solve external pipeline in the existing technology, and part kind and quantity increase and the problem of sealing difference.
Summary of the invention
The purpose of the utility model is in order to solve the deficiency that the above-mentioned background technology exists, a kind of favorable sealing property to be provided, and can to reduce the EGR use for diesel engine combined type suction tude of machine part quantity, making it can realize the secondary cooling to engine charge.
For realizing this purpose; The EGR use for diesel engine combined type suction tude that the utility model designed; Comprise the engine charge mouth of pipe, the suction tude air outlet that is communicated with the engine charge mouth of pipe; It is characterized in that: it comprises that also cooler for recycled exhaust gas water inlet effluent pipe mouth, the cooler for recycled exhaust gas backwater mouth of pipe, cooler for recycled exhaust gas water route, EGR get gas-tpe fitting, EGR air inlet pipeline, and wherein, said cooler for recycled exhaust gas water inlet effluent pipe mouth is communicated with the cooler for recycled exhaust gas backwater mouth of pipe through the cooler for recycled exhaust gas water route; Said EGR gets gas-tpe fitting and is communicated with the EGR air inlet pipeline, and the said EGR air inlet pipeline and the engine charge mouth of pipe all are communicated with the suction tude air outlet; Said cooler for recycled exhaust gas water inlet effluent pipe mouth, the cooler for recycled exhaust gas backwater mouth of pipe, cooler for recycled exhaust gas water route, EGR get gas-tpe fitting, EGR air inlet pipeline, the engine charge mouth of pipe and the suction tude air outlet formula that becomes one and arrange; Said cooler for recycled exhaust gas water route and EGR air inlet pipeline horizontal abutment on the length direction of EGR use for diesel engine combined type suction tude is arranged.
Said suction tude air outlet has 5, and each suction tude air outlet all is communicated with the EGR air inlet pipeline and the engine charge mouth of pipe.
Said cooler for recycled exhaust gas water inlet effluent pipe mouth and EGR get the end that gas-tpe fitting is positioned at EGR use for diesel engine combined type suction tude; The said cooler for recycled exhaust gas backwater mouth of pipe is positioned at the other end of EGR use for diesel engine combined type suction tude; Said suction tude air outlet is positioned at the upside of EGR use for diesel engine combined type suction tude, and the said engine charge mouth of pipe is positioned at the downside of EGR use for diesel engine combined type suction tude.
The integrated cooler for recycled exhaust gas water inlet effluent pipe mouth, the cooler for recycled exhaust gas backwater mouth of pipe, cooler for recycled exhaust gas water route, EGR of being provided with that pass through on the basis of existing EGR use for diesel engine combined type suction tude of the utility model got gas-tpe fitting and EGR air inlet pipeline, makes the motor compact appearance; Cancelled the fastening piece and the securing bracket of EGR suction tude, cooler outlet pipe simultaneously, current techniques relatively, number of spare parts and kind minimizing help reducing complete machine manufacture cost and administration cost.In addition; The cooler for recycled exhaust gas water route is fit together with the EGR air inlet pipeline is parallel; Can also utilize in the cooler for recycled exhaust gas water route temperature difference of waste gas in the water temperature and EGR air inlet pipeline; Waste gas in the EGR air inlet pipeline further cools off, and plays the effect of auxiliary cooler for recycled exhaust gas, realizes the secondary cooling to engine charge.And pipeline of the present invention has been cancelled existing external pipeline owing to adopted integrated layout, has avoided external pipeline to have the problem of the sealing that more jointing brings.
Description of drawings
Fig. 1 is the perspective view on the frontal of the utility model.
Fig. 2 is the perspective view on the reverse side direction of the utility model.
Wherein, 1-cooler for recycled exhaust gas water inlet effluent pipe mouth, 2-cooler for recycled exhaust gas backwater mouth of pipe, 3-cooler for recycled exhaust gas water route, 4-EGR get gas-tpe fitting, 5-EGR air inlet pipeline, 6-engine charge mouth of pipe, 7-suction tude air outlet.The direction of arrow is the flow direction of cooling water and gas among Fig. 1 and Fig. 2.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify:
EGR use for diesel engine combined type suction tude shown in Fig. 1 and 2; Comprise the engine charge mouth of pipe 6, the suction tude air outlet 7 that is communicated with the engine charge mouth of pipe 6; It is characterized in that: it comprises that also cooler for recycled exhaust gas water inlet effluent pipe mouth 1, the cooler for recycled exhaust gas backwater mouth of pipe 2, cooler for recycled exhaust gas water route 3, EGR get gas-tpe fitting 4, EGR air inlet pipeline 5; Wherein, Said cooler for recycled exhaust gas water inlet effluent pipe mouth 1 is communicated with the cooler for recycled exhaust gas backwater mouth of pipe 2 through cooler for recycled exhaust gas water route 3, and EGR gets gas-tpe fitting 4 and is communicated with EGR air inlet pipeline 5, and EGR air inlet pipeline 5 all is communicated with suction tude air outlet 7 with the engine charge mouth of pipe 6; Cooler for recycled exhaust gas water inlet effluent pipe mouth 1, the cooler for recycled exhaust gas backwater mouth of pipe 2, cooler for recycled exhaust gas water route 3, EGR get gas-tpe fitting 4, the EGR air inlet pipeline 5 engine charge mouths of pipe 6 and suction tude air outlet 7 formula that becomes one and arrange that cooler for recycled exhaust gas water route 3 is arranged with EGR air inlet pipeline 5 horizontal abutment on the length direction of EGR use for diesel engine combined type suction tude.Said structure utilizes the temperature difference of waste gas in cooler for recycled exhaust gas water route 3 interior water temperatures and the EGR air inlet pipeline 5, and the waste gas in the EGR air inlet pipeline 5 are further cooled off, and plays the effect of auxiliary cooler for recycled exhaust gas, realizes the secondary of engine charge is cooled off.
In the technique scheme, said suction tude air outlet 7 has 5, and each suction tude air outlet 7 all is communicated with the EGR air inlet pipeline 5 and the engine charge mouth of pipe 6.
In the technique scheme, cooler for recycled exhaust gas water inlet effluent pipe mouth 1 is got the end that gas-tpe fitting 4 is positioned at EGR use for diesel engine combined type suction tude with EGR; The cooler for recycled exhaust gas backwater mouth of pipe 2 is positioned at the other end of EGR use for diesel engine combined type suction tude; Said suction tude air outlet 7 is positioned at the upside of EGR use for diesel engine combined type suction tude, and the said engine charge mouth of pipe 6 is positioned at the downside of EGR use for diesel engine combined type suction tude.
The working procedure of the utility model is: the cooler for recycled exhaust gas cooling water gets into cylinder body through cooler for recycled exhaust gas water route 3 to the cooler for recycled exhaust gas backwater mouth of pipe 2 backs from cooler for recycled exhaust gas water inlet effluent pipe mouth 1; The EGR cooled gas is got gas-tpe fitting 4 (EGR cools off the back) from EGR, through EGR air inlet pipeline 5 (cooler for recycled exhaust gas is to suction tude), mixes the back from suction tude air outlet 7 (to cylinder cap) with the fresh air that gets into motor from the engine charge mouth of pipe 6.
In the EGR intake process; EGR cooling water temperature through cooler for recycled exhaust gas water route 3 is about 90 ℃; Far below EGR air inlet pipeline 5 (cooler for recycled exhaust gas is to engine air inlet tube) temperature (180 ℃ below-200 ℃), can do the secondary cooling to recycled offgas, help reducing complete machine air inlet problem.
Therefore the utility model can not only improve air inlet pipeline and cooler for recycled exhaust gas line arrangement, and compact structure has been cancelled corresponding fasteners, practices thrift part manufacturing and administration cost, but also can the air inlet of secondary cooling complete machine.
The content that this specification is not done to describe in detail belongs to related domain professional and technical personnel's known prior art.
Claims (3)
1. EGR use for diesel engine combined type suction tude; Comprise the engine charge mouth of pipe (6), the suction tude air outlet (7) that is communicated with the engine charge mouth of pipe (6); It is characterized in that: it comprises that also cooler for recycled exhaust gas water inlet effluent pipe mouth (1), the cooler for recycled exhaust gas backwater mouth of pipe (2), cooler for recycled exhaust gas water route (3), EGR get gas-tpe fitting (4), EGR air inlet pipeline (5); Wherein, Said cooler for recycled exhaust gas water inlet effluent pipe mouth (1) is communicated with the cooler for recycled exhaust gas backwater mouth of pipe (2) through cooler for recycled exhaust gas water route (3); Said EGR gets gas-tpe fitting (4) and is communicated with EGR air inlet pipeline (5), and the said EGR air inlet pipeline (5) and the engine charge mouth of pipe (6) all are communicated with suction tude air outlet (7); Said cooler for recycled exhaust gas water inlet effluent pipe mouth (1), the cooler for recycled exhaust gas backwater mouth of pipe (2), cooler for recycled exhaust gas water route (3), EGR get gas-tpe fitting (4), EGR air inlet pipeline (5), the engine charge mouth of pipe (6) and suction tude air outlet (7) the formula layout that becomes one; Said cooler for recycled exhaust gas water route (3) and EGR air inlet pipeline (5) horizontal abutment on the length direction of EGR use for diesel engine combined type suction tude is arranged.
2. EGR use for diesel engine combined type suction tude according to claim 1, it is characterized in that: said suction tude air outlet (7) has 5, and each suction tude air outlet (7) all is communicated with the EGR air inlet pipeline (5) and the engine charge mouth of pipe (6).
3. EGR use for diesel engine combined type suction tude according to claim 1 and 2 is characterized in that: said cooler for recycled exhaust gas water inlet effluent pipe mouth (1) and EGR get the end that gas-tpe fitting (4) is positioned at EGR use for diesel engine combined type suction tude; The said cooler for recycled exhaust gas backwater mouth of pipe (2) is positioned at the other end of EGR use for diesel engine combined type suction tude; Said suction tude air outlet (7) is positioned at the upside of EGR use for diesel engine combined type suction tude, and the said engine charge mouth of pipe (6) is positioned at the downside of EGR use for diesel engine combined type suction tude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202305956U CN202578980U (en) | 2012-05-22 | 2012-05-22 | Combined air inlet pipe for EGR diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202305956U CN202578980U (en) | 2012-05-22 | 2012-05-22 | Combined air inlet pipe for EGR diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578980U true CN202578980U (en) | 2012-12-05 |
Family
ID=47248398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202305956U Expired - Lifetime CN202578980U (en) | 2012-05-22 | 2012-05-22 | Combined air inlet pipe for EGR diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578980U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670833A (en) * | 2013-12-11 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Air intake manifold of diesel engine |
| CN104564434A (en) * | 2013-10-18 | 2015-04-29 | 中国重汽集团济南动力有限公司 | EGR (exhaust gas recirculation) engine assembly |
| CN115217681A (en) * | 2022-07-29 | 2022-10-21 | 潍柴动力股份有限公司 | Control method of EGR system, vehicle and storage medium |
-
2012
- 2012-05-22 CN CN2012202305956U patent/CN202578980U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564434A (en) * | 2013-10-18 | 2015-04-29 | 中国重汽集团济南动力有限公司 | EGR (exhaust gas recirculation) engine assembly |
| CN104564434B (en) * | 2013-10-18 | 2018-05-01 | 中国重汽集团济南动力有限公司 | A kind of EGR engine assembly |
| CN103670833A (en) * | 2013-12-11 | 2014-03-26 | 安徽江淮汽车股份有限公司 | Air intake manifold of diesel engine |
| CN115217681A (en) * | 2022-07-29 | 2022-10-21 | 潍柴动力股份有限公司 | Control method of EGR system, vehicle and storage medium |
| CN115217681B (en) * | 2022-07-29 | 2024-05-17 | 潍柴动力股份有限公司 | Control method of EGR system, vehicle and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20131210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131210 Address after: Shiyan City, Hubei province 442001 City Road No. 2 District zhangjiewan Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |