JPS6321723U - - Google Patents
Info
- Publication number
- JPS6321723U JPS6321723U JP11538486U JP11538486U JPS6321723U JP S6321723 U JPS6321723 U JP S6321723U JP 11538486 U JP11538486 U JP 11538486U JP 11538486 U JP11538486 U JP 11538486U JP S6321723 U JPS6321723 U JP S6321723U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- pipe
- exhaust system
- diameter
- porous metal
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案の実施例を示す要部断面図、第
２図は従来の排気系を示す説明図、第３図は第２
図に於けるリヤチユーブの拡大図、第４図は同リ
ヤチユーブに於ける排気ガス流の乱れ及び渦流発
生状態を示す説明図である。
１０……リヤチユーブ、１１……曲げ部、１２
……直管部、１３……多孔質金属製の管体、１４
，１５……多孔質金属製の管体１３の両端部、１
６……多孔質金属製の管体１３の直管部、１７…
…整流質、１８……多孔質金属製の管体１３のテ
ーパ部。
Fig. 1 is a cross-sectional view of main parts showing an embodiment of the present invention, Fig. 2 is an explanatory view showing a conventional exhaust system, and Fig. 3 is a sectional view of a conventional exhaust system.
FIG. 4 is an enlarged view of the rear tube in the figure, and is an explanatory diagram showing the state of turbulence in the exhaust gas flow and the generation of vortices in the rear tube. 10...Rear tube, 11...Bending portion, 12
... Straight pipe section, 13 ... Porous metal pipe body, 14
, 15...Both ends of the porous metal tube 13, 1
6... Straight pipe portion of porous metal pipe body 13, 17...
. . . rectifying material, 18 . . . tapered portion of the tube body 13 made of porous metal.
Claims (1)
数の排気管を介して少なくともコンバータ、消音
器を介挿すると共に、車両レイアウトに応じて排
気管に曲げ部を設け、エンジンから吐出する排気
ガスを外部に導出する自動車用排気系に於て、排
気管に設けた曲げ部後方の直管内に、多孔質金属
製の管体を介挿したことを特徴とする自動車用排
気系。 (2) 曲げ部後方の直管の長さが、排気管の径の
５倍未満であることを特徴とする実用新案登録請
求の範囲第１項記載の自動車用排気系。 (3) 多孔質金属製の管体が、両端が排気管の内
径とほぼ等しい外径を有し、両者を繋ぐ直管部が
排気管の内径よりも小径になつている鼓形状を為
していることを特徴とする実用新案登録請求の範
囲第１項記載の自動車用排気系。[Scope of Claim for Utility Model Registration] (1) Connected to the exhaust manifold of the engine, at least a converter and a muffler are inserted through multiple exhaust pipes, and a bent part is provided in the exhaust pipe according to the vehicle layout; An automotive exhaust system that guides exhaust gas discharged from an engine to the outside, characterized in that a porous metal pipe body is inserted into a straight pipe behind a bent part of an exhaust pipe. Exhaust system. (2) The automobile exhaust system according to claim 1, wherein the length of the straight pipe at the rear of the bent portion is less than five times the diameter of the exhaust pipe. (3) The porous metal tube has an outer diameter approximately equal to the inner diameter of the exhaust pipe at both ends, and the straight pipe section connecting the two has a diameter smaller than the inner diameter of the exhaust pipe. An exhaust system for an automobile according to claim 1 of the utility model registration claim, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11538486U JPS6321723U (en) | 1986-07-28 | 1986-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11538486U JPS6321723U (en) | 1986-07-28 | 1986-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6321723U true JPS6321723U (en) | 1988-02-13 |
Family
ID=30998985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11538486U Pending JPS6321723U (en) | 1986-07-28 | 1986-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6321723U (en) |
-
1986
- 1986-07-28 JP JP11538486U patent/JPS6321723U/ja active Pending
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