JPH0222618U - - Google Patents
Info
- Publication number
- JPH0222618U JPH0222618U JP10185888U JP10185888U JPH0222618U JP H0222618 U JPH0222618 U JP H0222618U JP 10185888 U JP10185888 U JP 10185888U JP 10185888 U JP10185888 U JP 10185888U JP H0222618 U JPH0222618 U JP H0222618U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- holding arm
- exhaust
- exhaust system
- valve body
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
- Supercharger (AREA)
Description
第１図は本考案による排気制御弁の一使用例を
示す全体系統図。第２図は第１図に示す差圧検出
弁の断面図。第３図は各弁の切換特性を示す特性
図。第４Ａ図、第４Ｂ図は第３図の特性図にした
がう制御を行うときのフローチヤート。第５図〜
第８図は本考案による排気制御弁を詳細に示すも
ので、第５図は平面図、第６図〜第８図は開閉状
態を示す側面断面図である。第９図は本考案によ
る排気制御弁の他の使用例を示す要部系統図。
３ａ，３ｂ：分岐排気通路、９１ａ，９１ｂ：
分岐排気通路、１１：排気カツト弁（排気制御弁
）、７１：弁座、７２：保持アーム、７３：弁体
、７４：回転ロツド（回動軸線）。
FIG. 1 is an overall system diagram showing an example of the use of the exhaust control valve according to the present invention. FIG. 2 is a sectional view of the differential pressure detection valve shown in FIG. 1. FIG. 3 is a characteristic diagram showing the switching characteristics of each valve. FIGS. 4A and 4B are flowcharts for performing control according to the characteristic diagram in FIG. 3. Figure 5~
FIG. 8 shows the exhaust control valve according to the present invention in detail, FIG. 5 is a plan view, and FIGS. 6 to 8 are side sectional views showing the open and closed states. FIG. 9 is a system diagram of essential parts showing another example of use of the exhaust control valve according to the present invention. 3a, 3b: Branch exhaust passage, 91a, 91b:
Branch exhaust passage, 11: exhaust cut valve (exhaust control valve), 71: valve seat, 72: holding arm, 73: valve body, 74: rotation rod (rotation axis).
Claims (1)
したがつて少なくとも１つの排気系路を開閉し、
閉弁時に上流側の排気圧力を受けて閉弁方向に押
圧されるエンジンの排気制御弁において、 所定の回動軸線を中心にして揺動される保持ア
ームと、 前記保持アームに所定の遊びを有するように保
持され、該保持アームの揺動に応じて排気系路に
形成された弁座に離着座される弁体と、 を備え、前記所定の遊びが、閉弁状態から前記保
持アームを開弁方向に揺動させた初期時に、前記
弁体のうち前記回動軸線に近い側部分のみが前記
弁座から離間されるように設定されている、 ことを特徴とするエンジンの排気制御弁。[Scope of claim for utility model registration] Opening and closing at least one exhaust system path among a plurality of exhaust system paths according to predetermined conditions,
An engine exhaust control valve that is pushed in the valve closing direction by upstream exhaust pressure when the valve is closed includes a holding arm that swings about a predetermined rotation axis, and a predetermined play in the holding arm. a valve body that is held such that the holding arm has a valve body and is seated and unseated on a valve seat formed in an exhaust system passage in response to rocking of the holding arm, and the predetermined play moves the holding arm from a closed state. An exhaust control valve for an engine, characterized in that, at the initial stage of swinging in the valve opening direction, only a portion of the valve body on the side closer to the rotational axis is separated from the valve seat. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10185888U JPH0545773Y2 (en) | 1988-07-30 | 1988-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10185888U JPH0545773Y2 (en) | 1988-07-30 | 1988-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222618U true JPH0222618U (en) | 1990-02-15 |
| JPH0545773Y2 JPH0545773Y2 (en) | 1993-11-26 |
Family
ID=31331234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10185888U Expired - Lifetime JPH0545773Y2 (en) | 1988-07-30 | 1988-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545773Y2 (en) |
-
1988
- 1988-07-30 JP JP10185888U patent/JPH0545773Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545773Y2 (en) | 1993-11-26 |
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