CN201671697U - Engine exhaust manifold assembly with smooth exhausting effect - Google Patents
Engine exhaust manifold assembly with smooth exhausting effect Download PDFInfo
- Publication number
- CN201671697U CN201671697U CN2010201533388U CN201020153338U CN201671697U CN 201671697 U CN201671697 U CN 201671697U CN 2010201533388 U CN2010201533388 U CN 2010201533388U CN 201020153338 U CN201020153338 U CN 201020153338U CN 201671697 U CN201671697 U CN 201671697U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- exhaust manifold
- manifold assembly
- engine
- utility
- 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
Images
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to an engine exhaust manifold assembly with smooth exhausting effect, which is used for solving the problem of high back pressure. The engine exhaust manifold assembly comprises a catalytic converter and an exhaust branch pipe, wherein a front sealing head of the catalytic converter is in a round platform shape, the circulation area of the air outlet end is larger than that of an air inlet port, and the air outlet end of the exhaust branch pipe is directly connected with the air inlet port of the front sealing head. The utility model uses the lengthened and enlarged front sealing head for replacing the connecting pipe to directly connect an exhaust manifold with the front sealing head. Compared with the prior art, the utility model has the characteristics that 1. the air outlet port of the front sealing head is larger than that of the air inlet port, in addition, the exhaust circulation area is enlarged, the back pressure is effectively eliminated, the power consumption of an engine is reduced, and the utility model is favorable for sufficiently bringing the power of the engine into play; 2. connecting pipes are reduced, the technical process can be simplified, and the production cost can be reduced; and 3. interface welding seams are reduced, and the reliability of the exhaust manifold assembly is improved.
Description
Technical field
The utility model relates to a kind of automobile-used parts, particularly engine exhaust manifold assembly, belongs to automobile technical field.
Background technique
Engine exhaust manifold assembly is the automobile exhaust system critical piece, and its inlet end is connected with motor, and the outlet side is connected with outlet pipe.The high temperature gas flow that produces during engine operation is discharged by outlet pipe behind exhaust manifold assembly again, and exhaust manifold assembly plays the double action of purification, circulation airflow, is part and parcel in the whole vent systems.A kind of exhaust manifold assembly that is usually used in compact car, structure comprise the connecting tube of above-mentioned two parts of exhaust branch pipe, catalytic converter and connection that are connected with each cylinder body of motor as shown in Figure 3 during it constitutes.By Fig. 3, Fig. 4 as seen, four exhaust branch pipes are connected with the front head of catalytic converter by two connecting tubes, and the air inlet port of connecting tube is big, the outlet side is young, outlet side butt joint front head.This General Construction has following problems: make that exhaust airstream is obstructed, back pressure increases, and influences giving full play to of engine power 1.; 2. connecting tube connects front head and exhaust branch pipe respectively by welding method, and welding junction is many, is prone to weld cracking under the impact of air-flow, the exhaust manifold assembly poor reliability.
The model utility content
The utility model be used to overcome the defective of above-mentioned prior art and provide a kind of and help that engine power is given full play to, exhaust engine exhaust manifold assembly smoothly.
The alleged problem of the utility model solves by the following technical programs:
A kind of exhaust is engine exhaust manifold assembly smoothly, it comprises exhaust catalytic converter and exhaust branch pipe, its specialization is: the front head of catalytic converter is round table-like, its port flow area of giving vent to anger is greater than the air inlet port, and the outlet side of described exhaust branch pipe directly is connected with the air inlet port of front head.
Above-mentioned exhaust is engine exhaust manifold assembly smoothly, and the circular cone cone angle of described front head is 10 °～15 °, and osculum end diameter is 80～90 millimeters, and the big opening end diameter is 100～120 millimeters.
The utility model has carried out following improvement at the problem that existing automobile engine to exhaust manifold assembly connecting tube structure causes back pressure to increase: remove connecting tube, with the alternative connecting tube of the front head of lengthening, increasing, exhaust branch pipe directly is connected with front head.Through above-mentioned improvement, the utlity model has following characteristics: 1. front head is given vent to anger port greater than the air inlet port and increased the exhaust flow area, effectively eliminates back pressure, reduces engine power consumption, helps engine power and gives full play to; 2. the minimizing connecting tube can be simplified manufacturing process, reduces production costs; 3. reduce the interface weld seam, improve the reliability of exhaust manifold assembly.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the left view connecting tube structural representation of Fig. 1;
Fig. 3 improves front exhaust manifold assembly schematic representation;
Fig. 4 is the C-C sectional view (amplification) of Fig. 3.
Label is as follows in the accompanying drawing: 1. catalytic converter, 2. front head, 3. exhaust branch pipe, 4. connecting tube.
Embodiment
Referring to Fig. 1, Fig. 2, the utility model comprises four exhaust branch pipes 3, the inlet end of exhaust branch pipe is connected with four cylinders of motor through flange, and the outlet side of exhaust branch pipe directly is connected with the front head 2 of catalytic converter, and this structure has been abandoned the connecting tube of ordinary construction.The utility model directly is connected front head with exhaust branch pipe, for improving the smooth and easy performance of exhaust and adapting to the structural requirement that connects, front head is whole to be strengthened, extends, front head is designed to round table-like, and its circular cone cone angle is 10 °～15 °, and the osculum end of front head connects exhaust branch pipe, big opening end connects catalytic converter, owing to give vent to anger the port flow area greater than the air inlet port,, make exhaust smooth and easy so eliminated back pressure.Described front head osculum end diameter is 80～90 millimeters, and the big opening end diameter is 100～120 millimeters.
Claims (2)
1. exhaust engine exhaust manifold assembly smoothly, it comprises exhaust catalytic converter (1) and exhaust branch pipe (3), it is characterized in that: the front head of catalytic converter (2) is for round table-like, its port flow area of giving vent to anger is greater than the air inlet port, and the outlet side of described exhaust branch pipe directly is connected with the air inlet port of front head.
2. exhaust according to claim 1 is engine exhaust manifold assembly smoothly, it is characterized in that: the circular cone cone angle of described front head (2) is 10 °～15 °, and osculum end diameter is 80～90 millimeters, and the big opening end diameter is 100～120 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201533388U CN201671697U (en) | 2010-04-09 | 2010-04-09 | Engine exhaust manifold assembly with smooth exhausting effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201533388U CN201671697U (en) | 2010-04-09 | 2010-04-09 | Engine exhaust manifold assembly with smooth exhausting effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201671697U true CN201671697U (en) | 2010-12-15 |
Family
ID=43329109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201533388U Expired - Lifetime CN201671697U (en) | 2010-04-09 | 2010-04-09 | Engine exhaust manifold assembly with smooth exhausting effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201671697U (en) |
-
2010
- 2010-04-09 CN CN2010201533388U patent/CN201671697U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203769908U (en) | Forklift exhaust system | |
| CN201671697U (en) | Engine exhaust manifold assembly with smooth exhausting effect | |
| CN202065041U (en) | Exhaust manifold and three-way catalytic converter assembly of engine | |
| CN203335189U (en) | Three-way catalyst assembly of supercharged engine | |
| CN204941677U (en) | A kind of biased close coupling casting gas exhaust manifold and catalytic converter assembly | |
| CN203717094U (en) | Flexible connecting structure for silencer buffer pipe | |
| CN204152617U (en) | A kind of close coupling gas exhaust manifold and catalytic converter assembly | |
| CN201581967U (en) | Three-way catalytic purifier | |
| CN203035318U (en) | Engine noise-reduction catalyst | |
| CN201221404Y (en) | Exhaust interface device of internal combustion engine supercharger | |
| CN203271891U (en) | Semi-shell-type exhaust branch pipe | |
| CN202441461U (en) | Twin exhaust pipe combination | |
| CN202732063U (en) | Two-stage muffler exhausting system for car | |
| CN201756993U (en) | Engine exhaust manifold | |
| CN206522184U (en) | A kind of novel exhaust catalyst converter leading portion two-in-one connecting pipe | |
| CN201133275Y (en) | Exhaust manifold and three way catalytic converter tight coupling hot end assembly | |
| CN204099022U (en) | A kind of enmgine exhaust and a kind of motor | |
| CN201865740U (en) | Integral engine silencer assembly | |
| CN214273766U (en) | Air flow diverter of silencer | |
| CN203098017U (en) | Exhaust manifold with high exhaust efficiency | |
| CN204493284U (en) | For slip ring and the scavenging vehicle blower fan of blower fan | |
| CN203239439U (en) | Automobile exhaust pipe | |
| CN103375240A (en) | Exhaust manifold assembly | |
| WO2007098665A1 (en) | Main frame with three-section structure for beach buggy | |
| CN212642921U (en) | Air inlet silencing pipe structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |