CN203559965U - Three-way catalytic converter - Google Patents
Three-way catalytic converter Download PDFInfo
- Publication number
- CN203559965U CN203559965U CN201320807792.4U CN201320807792U CN203559965U CN 203559965 U CN203559965 U CN 203559965U CN 201320807792 U CN201320807792 U CN 201320807792U CN 203559965 U CN203559965 U CN 203559965U
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- CN
- China
- Prior art keywords
- catalyzing unit
- ternary catalyzing
- gas inlet
- suction tude
- inlet end
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- Expired - Fee Related
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Abstract
The utility model provides a three-way catalytic converter which is connected onto a gas outlet of a turbine of a supercharger and comprises a gas inlet tube. A gas inlet flange which is connected with the gas outlet of the turbine of the supercharger is arranged at an end of the gas inlet tube, a carrier shell is connected to the other end of the gas inlet tube, and the gas inlet tube and the carrier shell are in transition connection with each other by a cone at a gas inlet end; an oxygen sensor seat is further arranged on the gas inlet tube, and an oxygen sensor is arranged in the oxygen sensor seat. The three-way catalytic converter has the advantages that the gas inlet tube of the three-way catalytic converter and the gas inlet end are in a conical connection gas inlet form, so that the gas inlet uniformity can be improved, and the efficiency of the three-way catalytic converter for converting harmful gas into harmless gas can be improved.
Description
Technical field
The utility model relates to a kind of ternary catalyzing unit, relates in particular to a kind of ternary catalyzing unit that can improve utilization efficiency.
Background technique
The effect of ternary catalyzing unit is exactly that the harmful gas that automobile is got rid of is converted into innocuous gas.In vehicle exhaust, main harmful gas has carbon monoxide (CO), oxynitrides (NO), hydrocarbon (HC).Three-element catalytic utilizes some chemical agents exactly, carries out a series of chemical reaction with the harmful gas in tail gas, makes it be converted to harmless gas.If ternary catalyzing unit has been broken, certainly just lost the function of conversion, Tail Gas will directly be discharged in atmosphere, cause atmospheric pollution, existing automobile is generally only provided with a upstream sensor, and its function is equivalent to ternary catalyzing unit, can both reduce the discharge of harmful gas, but the utilization efficiency of this kind of upstream sensor is low, do not reach the effect of high efficiency conversion harmful gas.
Model utility content
In order to overcome the above problems, the utility model provides a kind of ternary catalyzing unit, and to improve the uniformity of ternary catalyzing unit air inlet, and then raising ternary catalyzing unit is converted into harmful gas the efficiency of innocuous gas.
In order to achieve the above object, the utility model provides a kind of ternary catalyzing unit, be connected on the turbine air outlet of pressurized machine, ternary catalyzing unit comprises suction tude, in an end of suction tude, be provided with the inlet flange being connected with the turbine air outlet of pressurized machine, at the other end of suction tude, be connected with carrier shell, between suction tude and carrier shell, by air inlet end cone transition, be connected; In suction tude, be also provided with lambda sensor seat, in lambda sensor seat, be provided with lambda sensor.
Preferably, air inlet end cone is taper cambered surface.
Preferably, suction tude is circular arc tubulose.
Preferably, carrier shell is cylindrical shape.
Preferably, the central point of lambda sensor seat is 24-27mm to inlet cone end inlet end central point perpendicular distance.
The twice of the horizontal equivalent of the central point that preferably, the outlet side circular diameter of inlet cone end and the difference of inlet end circular diameter are inlet end and the central point of outlet side.
The utility model is compared to the concrete advantage of prior art: the intake type that the utility model adopts suction tude to be combined with air inlet end cone, has improved intake uniformity; Guaranteed that lambda sensor seat is in main air flow position, improved the acquisition precision of lambda sensor; Improve the uniformity of air-flow on carrier shell cross section, thereby improved ternary catalyzing unit utilization efficiency.
Accompanying drawing explanation
Fig. 1 is the stereogram of ternary catalyzing unit in the utility model;
Fig. 2 is the plan view of ternary catalyzing unit in the utility model;
Fig. 3 is the side view of ternary catalyzing unit in the utility model;
Fig. 4 is the schematic diagram of the air inlet end cone in ternary catalyzing unit in the utility model.
[symbol description]
1 inlet flange
2 suction tude
3 lambda sensor seats
4 air inlet end cones
5 carrier shells
Embodiment
Below, by exemplary mode of execution, the utility model is specifically described.But should be appreciated that element, structure and the feature in a mode of execution also can be attached in other mode of executions valuably in the situation that further not narrating.
Referring to Fig. 1, it is the three-dimensional structure diagram of ternary catalyzing unit in the utility model.As shown in the figure, this ternary catalyzing unit is connected on booster turbine air outlet, this ternary catalyzing unit comprises suction tude 2, suction tude 2 is circular arc tubulose, an end in suction tude 2 is provided with inlet flange 1, and ternary catalyzing unit is by inlet flange 1 with being connected of turbine air outlet of pressurized machine, at the other end of suction tude 2, is connected with carrier shell 5, carrier shell 5 is cylindrical shape, its inner circulation for gas; Between suction tude 2 and carrier shell 5, by air inlet end cone 4 transition, be connected, wherein air inlet end cone 4 is taper cambered surface; In addition, in order to collect the oxygen content that enters gas, in suction tude 2, be also provided with lambda sensor seat 3, in lambda sensor seat 3, be provided with lambda sensor.When specific works, suction tude 2 and air inlet end cone 4 form gas-entered passageway, will, from pressurized machine effluent air oriented carrier shell 4, make pressurized machine air-flow out can be distributed to uniformly on the cross section of carrier shell simultaneously.
Further, referring to Fig. 2-Fig. 3, be respectively plan view and the side view of ternary catalyzing unit in the utility model.As shown in the figure, if S is that the central point of lambda sensor seat 3 is to inlet cone end 4 inlet end central point perpendicular distances, A1 is inlet flange 1 end face that connects suction tude 2 one end to perpendicular to the angle between the straight line of suction tude 2, A2 be inlet flange 1 connect suction tude 2 one end end face to lambda sensor seat 3 near the angle between the end face place straight line of inlet cone end 4 one end, G is the angle between ternary catalyzing unit air inlet end cone 4 limits, left side and the vertical line in plan view, F is the angle between ternary catalyzing unit air inlet end cone 4 right edge and the vertical line in plan view, E is the angle between ternary catalyzing unit air inlet end cone 4 limits, left side and the vertical line in side view, H is the angle between ternary catalyzing unit air inlet end cone 4 right edge and the vertical line in side view, the dimensional range of S is 24-27mm, A1=35 °, A2=65 °, H dimensional range is at 100-130 °, E size is at 20-40 °, G, F size is at 100-150 °.
Referring to Fig. 4, it is the schematic diagram of inlet cone end in the utility model.As shown in the figure, the inlet end circular diameter of establishing inlet cone end 4 is d, and outlet side circular diameter is D, and wherein the horizontal equivalent of the central point of inlet end and the central point of outlet side is X, and the size of inlet cone end is preferably set to meet D-d=2X.
For embodiment of the present utility model is described more clearly, enumerate a specific embodiment below so that reference: establishing C is that in plan view, air inlet end cone 4 exports the angle between the straight line of dual-side place, B is that in side view, inlet cone end 4 exports the angle between the straight line of dual-side place, X is along on air inlet projecting direction, distance between import kernel of section point and outlet central point, in above-mentioned size, the preferential set of dimensions of selecting is B=68 °, E=9.8 °, H=121.6 °, C=97.5 °, G=117.3 °, F=147.3 °, A=54 °, D=130mm, d=76mm, X=27mm.
Be appreciated that the utility model is described by some embodiments, those skilled in the art know, in the situation that not departing from spirit and scope of the present utility model, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material and can not depart from spirit and scope of the present utility model these features and embodiment.Therefore, the utility model is not subject to the restriction of specific embodiment disclosed herein, and the embodiment within the scope of all the application's of falling into claim belongs in the scope that the utility model protects.
Claims (6)
1. a ternary catalyzing unit, be connected on the turbine air outlet of pressurized machine, it is characterized in that, ternary catalyzing unit comprises suction tude (2), in one end of suction tude (2), be provided with the inlet flange (1) being connected with the turbine air outlet of pressurized machine, at the other end of suction tude (2), be connected with carrier shell (5), between suction tude (2) and carrier shell (5), by air inlet end cone (4) transition, be connected; In suction tude (2), be also provided with lambda sensor seat (3), lambda sensor seat is provided with lambda sensor in (3).
2. ternary catalyzing unit according to claim 1, is characterized in that, air inlet end cone (4) is taper cambered surface.
3. ternary catalyzing unit according to claim 1, is characterized in that, suction tude (2) is circular arc tubulose.
4. ternary catalyzing unit according to claim 1, is characterized in that, carrier shell (5) is cylindrical shape.
5. ternary catalyzing unit according to claim 2, is characterized in that, the central point of lambda sensor seat (3) is 24-27mm to inlet cone end (4) inlet end central point perpendicular distance.
6. ternary catalyzing unit according to claim 2, is characterized in that, the twice of the horizontal equivalent of the central point that the outlet side circular diameter of air inlet end cone (4) and the difference of inlet end circular diameter are inlet end and the central point of outlet side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807792.4U CN203559965U (en) | 2013-12-10 | 2013-12-10 | Three-way catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807792.4U CN203559965U (en) | 2013-12-10 | 2013-12-10 | Three-way catalytic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559965U true CN203559965U (en) | 2014-04-23 |
Family
ID=50509691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320807792.4U Expired - Fee Related CN203559965U (en) | 2013-12-10 | 2013-12-10 | Three-way catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405482A (en) * | 2014-10-14 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Exhaust treatment system |
| CN104594988A (en) * | 2014-12-10 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Gasoline engine catalyst |
| CN110145389A (en) * | 2019-05-31 | 2019-08-20 | 安徽江淮汽车集团股份有限公司 | Engine catalytic converter assembly and exhaust system |
-
2013
- 2013-12-10 CN CN201320807792.4U patent/CN203559965U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405482A (en) * | 2014-10-14 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Exhaust treatment system |
| CN104594988A (en) * | 2014-12-10 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Gasoline engine catalyst |
| CN110145389A (en) * | 2019-05-31 | 2019-08-20 | 安徽江淮汽车集团股份有限公司 | Engine catalytic converter assembly and exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20140423 Termination date: 20191210 |