JPH0342016U - - Google Patents
Info
- Publication number
- JPH0342016U JPH0342016U JP10120589U JP10120589U JPH0342016U JP H0342016 U JPH0342016 U JP H0342016U JP 10120589 U JP10120589 U JP 10120589U JP 10120589 U JP10120589 U JP 10120589U JP H0342016 U JPH0342016 U JP H0342016U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- expansion chamber
- suction valve
- chamber
- air supply
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
図面は、本考案の一実施例を示し、第１図は二
次空気供給装置の縦断面図、第２図はエンジンの
全体概略図、第３図はアイドル回転数域における
脈動音の周波数成分を拡張室とエアサクシヨンバ
ルブ室との配置を変えて分析した騒音特性図、第
４図は二次空気供給量の比較を示す線図である。
４……エアクリーナ、４ａ……クリーンサイド
、６……排気系（排気管）、９……二次空気供給
通路、１０……拡張室、１０ｂ……二次空気吐出
パイプ、１１……エアサクシヨンバルブ室、１１
ａ……二次空気導入パイプ。
The drawings show an embodiment of the present invention, in which Fig. 1 is a vertical cross-sectional view of a secondary air supply device, Fig. 2 is a general schematic diagram of the engine, and Fig. 3 is a frequency component of pulsating noise in the idle speed range. Fig. 4 is a diagram showing a comparison of the amount of secondary air supplied. 4... Air cleaner, 4a... Clean side, 6... Exhaust system (exhaust pipe), 9... Secondary air supply passage, 10... Expansion chamber, 10b... Secondary air discharge pipe, 11... Air sac Shion valve chamber, 11
a...Secondary air introduction pipe.
Claims (1)
、他端を排気系に連通する二次空気供給通路に、
拡張室とエアサクシヨンバルブ室とを介装した内
燃機関の二次空気供給装置において、 前記エアサクシヨンバルブ室の上流側に拡張室
を配設し、 また上記エアサクシヨンバルブ室の上流側に形
成した二次空気導入パイプと上記拡張室の下流側
に形成した二次空気吐出パイプとを重合接続する
とともに、 上記二次空気導入パイプの先端を上記拡張室内
に突出したことを特徴とする内燃機関の二次空気
供給装置。[Scope of claim for utility model registration] A secondary air supply passage whose one end communicates with the clean side of the air cleaner and whose other end communicates with the exhaust system.
In a secondary air supply device for an internal combustion engine that includes an expansion chamber and an air suction valve chamber, the expansion chamber is disposed upstream of the air suction valve chamber, and the expansion chamber is provided upstream of the air suction valve chamber. The secondary air introduction pipe formed in the expansion chamber and the secondary air discharge pipe formed on the downstream side of the expansion chamber are connected in an overlapping manner, and the tip of the secondary air introduction pipe protrudes into the expansion chamber. Secondary air supply system for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101205U JPH089369Y2 (en) | 1989-08-30 | 1989-08-30 | Secondary air supply device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101205U JPH089369Y2 (en) | 1989-08-30 | 1989-08-30 | Secondary air supply device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342016U true JPH0342016U (en) | 1991-04-22 |
| JPH089369Y2 JPH089369Y2 (en) | 1996-03-21 |
Family
ID=31650167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989101205U Expired - Lifetime JPH089369Y2 (en) | 1989-08-30 | 1989-08-30 | Secondary air supply device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089369Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521320A (en) * | 1975-06-24 | 1977-01-07 | Mitsubishi Motors Corp | Secondary air supplying apparatus |
| JPS5423914U (en) * | 1977-07-20 | 1979-02-16 | ||
| JPS58170813A (en) * | 1982-04-01 | 1983-10-07 | Nippon Soken Inc | Secondary air supplying device for internal-combustion engine |
-
1989
- 1989-08-30 JP JP1989101205U patent/JPH089369Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521320A (en) * | 1975-06-24 | 1977-01-07 | Mitsubishi Motors Corp | Secondary air supplying apparatus |
| JPS5423914U (en) * | 1977-07-20 | 1979-02-16 | ||
| JPS58170813A (en) * | 1982-04-01 | 1983-10-07 | Nippon Soken Inc | Secondary air supplying device for internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089369Y2 (en) | 1996-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |