JPH0317120U - - Google Patents
Info
- Publication number
- JPH0317120U JPH0317120U JP7673989U JP7673989U JPH0317120U JP H0317120 U JPH0317120 U JP H0317120U JP 7673989 U JP7673989 U JP 7673989U JP 7673989 U JP7673989 U JP 7673989U JP H0317120 U JPH0317120 U JP H0317120U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- space
- inner tube
- vehicle engine
- exhaust
- 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
- 238000000746 purification Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Description
第１図は本考案の第１の実施例を示す概略構成
図、第２図は本考案の第２の実施例を示す同じく
概略構成図、第３図は本考案の第３の実施例を示
す同じく概略構成図、第４図は従来例を示す同じ
く概略構成図である。
２……ガソリンエンジン（車両用エンジン）、
４……触媒コンバータ（排気ガス浄化装置）、５
……サージタンク（負圧源）、１１……排気管装
置、１３……排気管（内側管）、１８，１９……
ヒートカバー（外側管）、２０，２１……断熱室
（空間部）、２０ａ，２１ａ……温度調節室（空
間部）、２２……連通パイプ（連通手段）、２４
……チエツクバルブ（弁手段）、３１……導出側
連通パイプ（連通手段）、３２……三方向ソレイ
ドバルブ（弁手段）、３８……排気管装置、４１
……導出側連通パイプ（連通手段）、４４……チ
エツクバルブ（弁手段）、４７……排気管装置。
Fig. 1 is a schematic block diagram showing a first embodiment of the present invention, Fig. 2 is a schematic block diagram showing a second embodiment of the present invention, and Fig. 3 is a schematic block diagram showing a third embodiment of the present invention. FIG. 4 is a schematic diagram showing a conventional example. 2... Gasoline engine (vehicle engine),
4...Catalytic converter (exhaust gas purification device), 5
... Surge tank (negative pressure source), 11 ... Exhaust pipe device, 13 ... Exhaust pipe (inner pipe), 18, 19 ...
Heat cover (outer tube), 20, 21...Insulation chamber (space), 20a, 21a...Temperature control chamber (space), 22...Communication pipe (communication means), 24
... Check valve (valve means), 31 ... Outlet side communication pipe (communication means), 32 ... Three-way solenoid valve (valve means), 38 ... Exhaust pipe device, 41
... Outlet side communication pipe (communication means), 44 ... Check valve (valve means), 47 ... Exhaust pipe device.
Claims (1)
側に設けられた負圧源と、上記車両用エンジンの
排気側に設けられた排気ガス流通用の内側管と、
この内側管の外側を覆う外側管と、この外側管と
上記内側管との間に形成され上記内側管を流通す
る排気ガスに対して熱伝的に隣り合つた空間部と
、上記内側管と接続され上記空間部よりも排気ガ
スの下流側に位置する排気ガス浄化装置と、上記
空間部と上記サージタンクとの間に設けられた連
通手段と、この連通手段の途中の部位に設けられ
車両用エンジンの運転状態に応じて選択的に開閉
する弁手段とを具備した車両用排気管装置。 A vehicle engine, a negative pressure source provided on the intake side of the vehicle engine, and an inner pipe for exhaust gas distribution provided on the exhaust side of the vehicle engine;
an outer tube that covers the outside of the inner tube; a space that is formed between the outer tube and the inner tube and is thermally adjacent to the exhaust gas flowing through the inner tube; an exhaust gas purification device that is connected and located downstream of the exhaust gas from the space; a communication means provided between the space and the surge tank; An exhaust pipe device for a vehicle, comprising a valve means that selectively opens and closes depending on the operating condition of an engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7673989U JPH0317120U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7673989U JPH0317120U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317120U true JPH0317120U (en) | 1991-02-20 |
Family
ID=31618481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7673989U Pending JPH0317120U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317120U (en) |
-
1989
- 1989-06-29 JP JP7673989U patent/JPH0317120U/ja active Pending