JPH03112537U - - Google Patents
Info
- Publication number
- JPH03112537U JPH03112537U JP2097390U JP2097390U JPH03112537U JP H03112537 U JPH03112537 U JP H03112537U JP 2097390 U JP2097390 U JP 2097390U JP 2097390 U JP2097390 U JP 2097390U JP H03112537 U JPH03112537 U JP H03112537U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- combustion engine
- internal combustion
- bearings
- switching valve
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案の実施例の内燃機関用排気切
替弁の断面図、第２図は同じく軸受部分の拡大断
面図、第３図は同じくシール部の効果を排気の圧
力変化に対する排気洩れ量で表した特性曲線図、
第４図は従来の排気切替弁の軸受部分の一例を示
す拡大断面図、第５図は同じく軸受部分の他の例
を示す拡大断面図である。
１……排気切替弁、４……軸孔、１０……弁軸
、１０ａ……小径部、１１……段差部、１４……
軸受、１５……弁体、２０……シール部。
Fig. 1 is a sectional view of an exhaust gas switching valve for an internal combustion engine according to an embodiment of this invention, Fig. 2 is an enlarged sectional view of the bearing portion, and Fig. 3 is a diagram showing the effect of the seal portion on the amount of exhaust leakage with respect to changes in exhaust pressure. The characteristic curve diagram represented by
FIG. 4 is an enlarged sectional view showing an example of a bearing portion of a conventional exhaust gas switching valve, and FIG. 5 is an enlarged sectional view showing another example of the bearing portion. 1... Exhaust switching valve, 4... Shaft hole, 10... Valve shaft, 10a... Small diameter portion, 11... Step portion, 14...
Bearing, 15... Valve body, 20... Seal portion.
Claims (1)
してボデーに回動可能に支持された弁軸を備え、
該弁軸の一方の端部がボデー外へ突出している内
燃機関用排気切替弁において、 前記弁軸は、その突出端部側を軸支する一方の
軸受の内端面と相対する段差部を有していて、 該段差部と前記一方の軸受内端面との間にシー
ル部を設けてなることを特徴とする内燃機関用排
気切替弁。[Claims for Utility Model Registration] A valve shaft is provided with a valve body and rotatably supported by a body via a pair of bearings,
In the exhaust switching valve for an internal combustion engine in which one end of the valve stem protrudes outside the body, the valve stem has a stepped portion that faces an inner end surface of one of the bearings that pivotally supports the protruding end side. An exhaust gas switching valve for an internal combustion engine, characterized in that a seal portion is provided between the stepped portion and the inner end surface of the one bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2097390U JPH03112537U (en) | 1990-03-01 | 1990-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2097390U JPH03112537U (en) | 1990-03-01 | 1990-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112537U true JPH03112537U (en) | 1991-11-18 |
Family
ID=31524052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2097390U Pending JPH03112537U (en) | 1990-03-01 | 1990-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009268441A (en) * | 2008-05-11 | 2009-11-19 | Iruma Computer Support:Kk | Folding type creeping plant supporting net |
-
1990
- 1990-03-01 JP JP2097390U patent/JPH03112537U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009268441A (en) * | 2008-05-11 | 2009-11-19 | Iruma Computer Support:Kk | Folding type creeping plant supporting net |
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