CN201413056Y - Fin type waste gas cooler - Google Patents
Fin type waste gas cooler Download PDFInfo
- Publication number
- CN201413056Y CN201413056Y CN2009200460141U CN200920046014U CN201413056Y CN 201413056 Y CN201413056 Y CN 201413056Y CN 2009200460141 U CN2009200460141 U CN 2009200460141U CN 200920046014 U CN200920046014 U CN 200920046014U CN 201413056 Y CN201413056 Y CN 201413056Y
- Authority
- CN
- China
- Prior art keywords
- fin
- waste gas
- coolant
- type waste
- shell
- 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
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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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a cooler used in an automobile engine system, in particular to a fin type waste gas cooler. According to the technical scheme of the utility model, the fin type waste gascooler comprises a casing, a coolant chamber formed in the casing and a waste gas box positioned in the coolant chamber, wherein a coolant inlet and a coolant outlet are arranged on the casing. The fin type waste gas cooler is characterized in that a plurality of fins are arranged in the waste gas box, and channels are formed among the fins; besides, a baffle is arranged in the middle of the wastegas box to separate the fins into two groups, so that gas inlet channels are formed among one group of fins, and gas outlet channels are formed among the other group of fins; a waste gas inlet communicated with the gas inlet channels and a waste gas outlet communicated with the gas outlet channels are arranged at the end of the enclosed waste gas box. The fin type waste gas cooler has the advantages that the cooling effect can be improved, and the production cost can be reduced.
Description
Technical field
The utility model relates to the cooler that uses in the automobile engine system, specifically a kind of fin type waste gas cooler.
Background technology
Waste gas recirculation (EGR) technology of diesel automobile engine is to reduce NO in the tail gas
XThe effective measures of discharge capacity extensively adopt both at home and abroad.Egr system is recycled to engine aspirating system with a part of engine exhaust after the cooler cooling, reach to reduce NO in the waste gas
XContent.The cooler great majority that use in present this field are that stainless steel tubular cooler is the master, and pad is many, and manufacturing cost is higher.
Summary of the invention
The purpose of this utility model is to design a kind of fin type waste gas cooler, to improve cooling effect, reduces production costs.
The technical scheme that provides according to the utility model, described fin type waste gas cooler, comprise shell, be formed at the coolant room in the shell and be positioned at cooling agent chamber waste gas box, coolant inlet and coolant outlet are set on shell, it is characterized in that: in described waste gas box, some fins are set, between described fin, form passage; And, in the centre of waste gas box dividing plate being set, described dividing plate is separated into two groups with described fin, makes between one group of fin wherein and forms inlet channel, forms outlet passageway between another group fin; End at airtight waste gas box is provided with the exhaust gas inlet that is communicated with inlet channel, and the waste gas outlet that is communicated with outlet passageway.
Described waste gas box comprises that being positioned at following fin seat covers with the fin that covers on the fin seat; Some down fins are set on the base plate of fin seat, be provided with on the cover plate of fin lid some on fin; Described dividing plate is arranged on the base plate or on the cover plate.
Described fin seat and described fin lid interconnects, and makes describedly to go up that fin all is positioned at the fin seat with following fin and fin covers the space that surrounds.After last fin and following fin linked together, described last fin was between described following fin.
Openend at the fin seat forms described exhaust gas inlet and waste gas outlet; The other end of fin seat is curved; Correspondingly, cover corresponding to the arc tips of fin seat also curved at fin.One end of described shell is provided with unlimited opening, and the other end is the arc of sealing, and described flange is formed at the openend of shell.
Described coolant inlet and coolant outlet all are formed at the edge of the upper surface of close flange one end on the shell.On described coolant inlet, connect inlet tube, on described coolant outlet, connect outlet.The connecting plate of installation effect has been set on shell, on described connecting plate, installing hole has been set.
For improving cooler heat transfer power, save cost, it is the casting aluminium material of 10 times of stainless steel materials that the cooler that uses in this gas recirculation system adopts heat transfer coefficient, cooler be shaped as square structure, the exhaust steam passage of casting for the multi-disc fin in the cooler, cooling effectiveness improves greatly, simultaneously, alleviate the weight of cooler, these parts must be placed within the confined space of engine.
The utlity model has following advantage: 1. adopt the cast aluminium technology to produce, good thermal conduction, in light weight, cost is low; 2. the internal waste gas passage adopts fin shapes; 3. simple in structure, pad is few, and is safe and reliable, favorable sealing property.
Description of drawings
Fig. 1 is the perspective view of a kind of cooler for recycled exhaust gas of the present utility model.
Fig. 2 is the shell schematic diagram of cooler for recycled exhaust gas among Fig. 1.
Fig. 3 is a fin seat perspective view under the cooler for recycled exhaust gas among Fig. 1.
Fig. 4 is a fin lid perspective view on the cooler for recycled exhaust gas among Fig. 1.
The specific embodiment
As shown in the figure: described fin type waste gas cooler, comprise shell 2, be formed at the coolant room 6 in the shell 2 and be positioned at the waste gas box of coolant room 6, coolant inlet 7 and coolant outlet 8 are set on shell 2, some fins 15 are set in described waste gas box, form passage 15 of described fins; And, in the centre of waste gas box dividing plate 10 being set, described dividing plate 10 is separated into two groups with described fin 15, makes 15 of one group of fins wherein form inlet channel 20, and another 15 of group fin forms outlet passageway 11; End at airtight waste gas box is provided with the exhaust gas inlet 12 that is communicated with inlet channel 20, and the waste gas outlet 19 that is communicated with outlet passageway 20.During work, waste gas enters inlet channel 20 through exhaust gas inlet 12, discharges through outlet passageway 20 and waste gas outlet 19 again; Simultaneously, cooling agent after flowing along the outer wall of waste gas box, is discharged through coolant outlet 8 in coolant inlet 7 enters coolant room 6.The heat of waste gas is taken away, reached the purpose that reduces EGT.
For ease of making and installing, described waste gas box can be arranged to be positioned at following fin seat 9 and the fin lid 16 that covers on fin seat 9; Some down fins 15 are set on the base plate 14 of fin seat 10, be provided with on the cover plate 17 of fin lid 16 some on fin 18; Described dividing plate 10 can be arranged on the base plate 14 or on the cover plate 17.
Described fin seat 9 interconnects with described fin lid 16, make the described fin 18 of going up all be positioned at fin seat 9 and fin lid 16 confined spaces that have opening that surround, in order to avoid waste gas escapes when flowing in the waste gas box in the coolant room 6 outside the waste gas box again with following fin 15.
After last fin 18 and following fin 15 linked together, the described fin 18 of going up was described down between the fin 15, to enlarge area of dissipation, the raising radiating effect.
After the waste gas box adopts fin seat 9 and fin to cover 16 interconnective forms, can form described exhaust gas inlet 12 and waste gas outlet 19 at the openend of fin seat 9; The other end of fin seat 9 is curved; Correspondingly, also curved corresponding to the arc tips of fin seat 9 on fin lid 16.Described arc all with the arc anastomosis of outer casing end, the resistance the when curved channel that this arcuate structure forms can reduce exhaust-gas flow.
One end of described shell 2 is provided with unlimited opening, and the other end is the arc of sealing, and described flange 1 is formed at the openend of shell 2.Described coolant inlet 7 and coolant outlet 8 all are formed at the edge of the upper surface of close flange 1 one ends on the shell 2.On described coolant inlet 7, connect inlet tube 3, on described coolant outlet 8, connect outlet 4.The connecting plate 5 of installation effect has been set on shell 2, on described connecting plate 5, installing hole has been set.
With reference to figure 1～4, Fig. 1 shows a gaseous effluent.In shell 2 one end settings and egr system flange connecting 1, in shell 2, place the waste gas box, waste gas enters the waste gas box in the direction of arrows, and the other end camber passage of flowing through enters egr system after flowing out in the direction of arrows.
In shell 2, form cooler agent chamber 6, setting has a coolant inlet 3 and coolant outlet 4 that communicates with cooler agent chamber 6 on shell 2, and during work, cooling agent circulates at the waste gas box outer surfac, thereby waste gas is cooled off, and cooling agent is heated simultaneously.
During manufacturing, several fins 15 down are set on fin seat 9, in the centre of fin seat 9 dividing plate 10 is set, some fins 15 down are divided into two groups, 15 of fins form inlet channel 20 under therein one group, another group therein 15 of fins down forms outlet passageway 11, flange 1 in the coolant room 6 is connected (not marking) with egr system, the waste gas box is installed in the coolant room 6, designed water stream channel up and down at the inwall of coolant room 6, cooling agent can evenly be flowed at the waste gas outer box wall, satisfy the evenly requirement of cooling.Gaseous effluent adopts aluminum alloy materials, and modes such as employing vacuum drying oven aluminium weldering are made to guarantee the product hermeticity energy.
Do not breaking away under the situation of the present utility model, can make enforcement of the present utility model and revise and improve, for example the profile of shell 2 can adopt accompanying drawing form in addition, and the form of exhaust gas inlet 12 and waste gas outlet 19 can be different with accompanying drawing.
Cooler of the present utility model and prior art all will be recycled to engine aspirating system after a part of engine exhaust cooling, mix with fresh air, reduce the oxygen content of air, thereby reduced maximum combustion temperature in burning velocity and the cylinder, also just reduced the NO in the waste gas
XContent.
A kind of cooler that in engine exhaust gas recirculation (EGR) system, uses of the utility model, the fin shapes of brand-new exploitation has been adopted in the design of this cooler, its parts adopt heat conductivity and the superior cast aluminium system product of durability, for (EGR) cooler increases new kind, be stainless steel cooler regeneration product.
Claims (10)
1, fin type waste gas cooler, comprise shell (2), be formed at the coolant room (6) in the shell (2) and be positioned at the waste gas box of coolant room (6), coolant inlet (7) and coolant outlet (8) are set on shell (2), it is characterized in that: some fins (15) are set in described waste gas box, between described fin (15), form passage; And, dividing plate (10) is set in the centre of waste gas box, described dividing plate (10) is separated into two groups with described fin (15), makes between one group of fin (15) wherein and forms inlet channel (20), forms outlet passageway (11) between another group fin (15); End at airtight waste gas box is provided with the exhaust gas inlet (12) that is communicated with inlet channel (20), and the waste gas outlet (19) that is communicated with outlet passageway (20).
2, fin type waste gas cooler as claimed in claim 1 is characterized in that: described waste gas box comprises that being positioned at following fin seat (9) covers (16) with the fin that covers on fin seat (9); Some fins (15) down are set on the base plate (14) of fin seat (10), some fins (18) of going up are set on the cover plate (17) of fin lid (16); Described dividing plate (10) be arranged at that base plate (14) is gone up or cover plate (17) on.
3, fin type waste gas cooler as claimed in claim 2, it is characterized in that: described fin seat (9) and described fin lid (16) interconnect, and make described upward fin (18) and following fin (15) all be positioned at fin seat (9) and cover the space that (16) surround with fin.
4, as claim 2 or 3 described fin type waste gas coolers, it is characterized in that: after last fin (18) and following fin (15) linked together, the described fin (18) of going up was positioned at described down between the fin (15).
5, fin type waste gas cooler as claimed in claim 2 is characterized in that: the openend at fin seat (9) forms described exhaust gas inlet (12) and waste gas outlet (19); The other end of fin seat (9) is curved; Correspondingly, go up also curved at fin lid (16) corresponding to the arc tips of fin seat (9).
6, fin type waste gas cooler as claimed in claim 1 is characterized in that: an end of described shell (2) is provided with unlimited opening, and the other end is the arc of sealing, and described flange (1) is formed at the openend of shell (2).
7, fin type waste gas cooler as claimed in claim 1 is characterized in that: described coolant inlet (7) all is formed at the edge that shell (2) is gone up the upper surface of close flange (1) one end with coolant outlet (8).
8, fin type waste gas cooler as claimed in claim 1 is characterized in that: go up connection inlet tube (3) at described coolant inlet (7), go up connection outlet (4) at described coolant outlet (8).
9, fin type waste gas cooler as claimed in claim 1 is characterized in that: go up the connecting plate (5) that the installation effect has been set at shell (2), on described connecting plate (5) installing hole is set.
10, fin type waste gas cooler as claimed in claim 1 is characterized in that: designed water stream channel up and down at the inwall of coolant room (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200460141U CN201413056Y (en) | 2009-05-27 | 2009-05-27 | Fin type waste gas cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200460141U CN201413056Y (en) | 2009-05-27 | 2009-05-27 | Fin type waste gas cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413056Y true CN201413056Y (en) | 2010-02-24 |
Family
ID=41714939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200460141U Expired - Fee Related CN201413056Y (en) | 2009-05-27 | 2009-05-27 | Fin type waste gas cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413056Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940258A (en) * | 2013-01-17 | 2014-07-23 | 李华彬 | Grading liquid temperature regulation system |
-
2009
- 2009-05-27 CN CN2009200460141U patent/CN201413056Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940258A (en) * | 2013-01-17 | 2014-07-23 | 李华彬 | Grading liquid temperature regulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100224 Termination date: 20160527 |