JPS5941658U - exhaust recirculation valve - Google Patents
exhaust recirculation valveInfo
- Publication number
- JPS5941658U JPS5941658U JP13671782U JP13671782U JPS5941658U JP S5941658 U JPS5941658 U JP S5941658U JP 13671782 U JP13671782 U JP 13671782U JP 13671782 U JP13671782 U JP 13671782U JP S5941658 U JPS5941658 U JP S5941658U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- passage
- negative pressure
- valve
- center
- 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
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Fluid-Driven Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は排気還流弁の従来例を示す断面図、第２図は同
じく本考案の一実施例を示す断面図、第３図は同じく要
部の拡大断面図である。
２・・・・・・排気通路、３・・・・・・吸気通路、４
・・・・・・バルブ、５・・・・・・還流通路、６・・
・・・・ケース、９・・・・・・負圧導入室、１０・・
・・・・大気室、１１・曲汐゛イヤフラム、１５・・・
・・・ロッド、１７・・・・・・ガイド棒、２ｏ・・開
作動シート、２０ｄ・・・・・・ボス部、２１．２２・
・曲コイルスプリング、２４・・・・・・円弧状面。FIG. 1 is a sectional view showing a conventional example of an exhaust gas recirculation valve, FIG. 2 is a sectional view showing an embodiment of the present invention, and FIG. 3 is an enlarged sectional view of the main parts. 2...Exhaust passage, 3...Intake passage, 4
...Valve, 5...Recirculation passage, 6...
...Case, 9...Negative pressure introduction chamber, 10...
・・・Atmospheric chamber, 11・Curved earphragm, 15...
...Rod, 17...Guide rod, 2o...Opening actuation seat, 20d...Boss part, 21.22.
・Curved coil spring, 24... Arc-shaped surface.
Claims (1)
接続される排気通路および吸気通路と、これら排気通路
と吸気通路とを結ぶ通路を開閉するバルブと、ケース内
を大気室および負圧導入室に隔成するダイヤフラムと、
このダイヤフラムの中心部と前記バルブとを連結するロ
ッドと、前記ケース上部の中心にこのケース内部に臨む
ように取り付けたガイド棒と、このガイド棒にボス部中
心の透孔を摺動自在に嵌挿した作動シートと、この作動
シートと前記ケース部およびダイヤフラムとの間に介装
したばね定数の大きいコイルスプリングおよびばね定数
の小さいコイルスプリングとを備えてなり、前記負圧導
入室に導入される制御負圧に応じて、前記バルブが前記
通路の開度を調節して排気還流量を制御するようにした
排気還流弁において、前記ボス部中心の透孔端部に、こ
れを拡径して円弧状面を形成したことを特徴とする排気
還流弁。An exhaust passage and an intake passage connected to the engine's exhaust manifold and intake manifold, respectively, a valve that opens and closes the passage connecting the exhaust passage and the intake passage, and a diaphragm that separates the inside of the case into an atmospheric chamber and a negative pressure introduction chamber. and,
A rod connecting the center of the diaphragm and the valve, a guide rod attached to the center of the upper part of the case so as to face the inside of the case, and a through hole at the center of the boss part is slidably fitted into the guide rod. The actuating seat is inserted into the negative pressure introducing chamber, and includes a coil spring with a large spring constant and a coil spring with a small spring constant interposed between the actuating seat, the case portion, and the diaphragm, and is introduced into the negative pressure introduction chamber. In the exhaust recirculation valve in which the valve controls the amount of exhaust recirculation by adjusting the opening degree of the passage in accordance with the control negative pressure, a diameter-enlarged hole is provided at the end of the through hole at the center of the boss portion. An exhaust gas recirculation valve characterized by forming an arcuate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13671782U JPS5941658U (en) | 1982-09-09 | 1982-09-09 | exhaust recirculation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13671782U JPS5941658U (en) | 1982-09-09 | 1982-09-09 | exhaust recirculation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5941658U true JPS5941658U (en) | 1984-03-17 |
Family
ID=30307309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13671782U Pending JPS5941658U (en) | 1982-09-09 | 1982-09-09 | exhaust recirculation valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941658U (en) |
-
1982
- 1982-09-09 JP JP13671782U patent/JPS5941658U/en active Pending
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