JPS63132824U - - Google Patents
Info
- Publication number
- JPS63132824U JPS63132824U JP2523087U JP2523087U JPS63132824U JP S63132824 U JPS63132824 U JP S63132824U JP 2523087 U JP2523087 U JP 2523087U JP 2523087 U JP2523087 U JP 2523087U JP S63132824 U JPS63132824 U JP S63132824U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- air supply
- control valve
- engine
- opening degree
- 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
- 238000010586 diagram Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図〜第３図は本考案の第１実施例に係るエ
ンジンの二次空気供給装置を示す図であり、第１
図は二次空気制御弁の具体的構造を拡大して示す
要部縦断面図、第２図は二次空気供給装置を適用
したエンジンの全体構成を示す概略説明図、第３
図は第１図に示す二次空気制御弁の第１負圧室に
大気孔、感温部材を介装した例を拡大して示す要
部縦断面図、第４図は冷間時および温間時におけ
る二次空気制御弁の開弁特性を示す図、第５図は
本考案の第２実施例に係るエンジンの二次空気供
給装置を示す図である。
２……吸気通路、３……排気通路、７……二次
空気供給通路、１０……二次空気制御弁、１６，
１６′，５０……感温部材、２０……リード弁。
1 to 3 are diagrams showing a secondary air supply device for an engine according to a first embodiment of the present invention, and FIG.
The figure is an enlarged vertical sectional view of the main part showing the specific structure of the secondary air control valve, Figure 2 is a schematic explanatory diagram showing the overall configuration of the engine to which the secondary air supply device is applied,
The figure is an enlarged vertical cross-sectional view of the main part of an example in which the first negative pressure chamber of the secondary air control valve shown in Figure 1 is equipped with an air hole and a temperature-sensitive member, and Figure 4 is a longitudinal sectional view of the main part when the secondary air control valve is in a cold state and at a temperature. FIG. 5 is a diagram showing a secondary air supply device for an engine according to a second embodiment of the present invention. 2...Intake passage, 3...Exhaust passage, 7...Secondary air supply passage, 10...Secondary air control valve, 16,
16', 50... Temperature sensing member, 20... Reed valve.
Claims (1)
を介装し、運転条件に応じて排気通路内へ供給さ
れる二次空気量を制御するエンジンの二次空気供
給装置において、 上記二次空気制御弁は、冷間時における二次空
気供給通路の開度を温間時における開度より小さ
く設定するよう作動することを特徴とするエンジ
ンの二次空気供給装置。[Claim for Utility Model Registration] A secondary air control valve is installed in the secondary air supply passage of the engine to control the amount of secondary air supplied to the exhaust passage according to operating conditions. A secondary air supply device for an engine, wherein the secondary air control valve operates to set the opening degree of the secondary air supply passage when it is cold to be smaller than the opening degree when it is warm. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2523087U JPS63132824U (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2523087U JPS63132824U (en) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63132824U true JPS63132824U (en) | 1988-08-30 |
Family
ID=30825184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2523087U Pending JPS63132824U (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63132824U (en) |
-
1987
- 1987-02-23 JP JP2523087U patent/JPS63132824U/ja active Pending
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