JPS60105805U - Engine valve structure of internal combustion engine - Google Patents
Engine valve structure of internal combustion engineInfo
- Publication number
- JPS60105805U JPS60105805U JP20118983U JP20118983U JPS60105805U JP S60105805 U JPS60105805 U JP S60105805U JP 20118983 U JP20118983 U JP 20118983U JP 20118983 U JP20118983 U JP 20118983U JP S60105805 U JPS60105805 U JP S60105805U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- face
- valve
- internal combustion
- seat
- 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
- Lift Valve (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図は従来例のエンジンバルブ構造の要部縦断面図、
第２図はこの考案の一実施例のエンジンバルブ構造を示
す第１図と同様な要部縦断面図、第３図は従来例とこの
考案の実施例諷の比較で示したバルブリフト−バルブ開
口面積特性線図、第４図は従来例とこの考案の実施例と
の比較で示したバルブリフト−吸入空気流量特性線図、
第５図は従来例と、この考案の実施例において第２フエ
ースの角度θ２を２０６と３０°に設定した場合との比
較で示したバルブリフト−吸入流量特性線図、第６図は
テストに供゛したバルブシートの形状を示す要部縦断面
図、第６Ａ図は第６図のＡ部拡大図である。
１・・・吸気バルブ、１ａ・・・傘部、２・・・バルブ
シート、３・・・シート面、４・・・第１フエース、５
・・・第２フエース、Ｐ・・・吸気ポート。
′１「■モ、７１習（輌 −Figure 1 is a vertical cross-sectional view of the main parts of a conventional engine valve structure.
Fig. 2 is a vertical cross-sectional view of the main parts similar to Fig. 1 showing the engine valve structure of an embodiment of this invention, and Fig. 3 is a comparison of the conventional example and the embodiment of this invention. Fig. 4 is a valve lift-intake air flow rate characteristic diagram comparing the conventional example and the embodiment of this invention.
Fig. 5 is a valve lift-suction flow characteristic diagram comparing the conventional example and the case where the angle θ2 of the second face is set to 206 and 30° in the embodiment of this invention, and Fig. 6 is a diagram showing the characteristic curve for the test. FIG. 6A is a vertical cross-sectional view of a main part showing the shape of the provided valve seat, and FIG. 6A is an enlarged view of section A in FIG. DESCRIPTION OF SYMBOLS 1... Intake valve, 1a... Umbrella part, 2... Valve seat, 3... Seat surface, 4... First face, 5
...Second face, P...Intake port. '1 "■Mo, 71 Xi (輌 -
Claims (1)
ブシートとこのバルブシートに形成されたシート面に相
対するフェースを備えた傘部を有して前記バルブシート
との間で前記開口部の開閉動ヲ行なうエンジンバルブと
からなる内燃機関のエンジンバルブ構造であって、前記
エンジンバルブの前記フェースを前記バルブシートの前
記シート面とほぼ同様な傾斜面を有する第１フエースと
、この第１フエースの内側に連続して該第１フエースよ
りも適宜内向きの傾斜状に形成された少なくとも一つの
連続フェースとにより構成するとともに前記第１フエー
スの前記連続フェースとの境界をなす内周縁の径を前記
シート面の内周径よりも大きく設定したことを特徴とす
る内燃機関のエンジンバルブ構造。A valve seat provided at the opening on the cylinder side of the intake/exhaust port, and an umbrella portion having a face facing the seat surface formed on the valve seat, and the opening between the valve seat and the valve seat. An engine valve structure for an internal combustion engine comprising an engine valve that performs opening and closing operations, the engine valve having a first face having an inclined surface substantially similar to the seat surface of the valve seat; and at least one continuous face formed in an appropriately inwardly inclined shape than the first face, and the diameter of the inner peripheral edge of the first face that forms a boundary with the continuous face. An engine valve structure for an internal combustion engine, characterized in that the inner circumferential diameter of the seat surface is set larger than the inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20118983U JPS60105805U (en) | 1983-12-23 | 1983-12-23 | Engine valve structure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20118983U JPS60105805U (en) | 1983-12-23 | 1983-12-23 | Engine valve structure of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60105805U true JPS60105805U (en) | 1985-07-19 |
Family
ID=30762741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20118983U Pending JPS60105805U (en) | 1983-12-23 | 1983-12-23 | Engine valve structure of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60105805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017531134A (en) * | 2014-07-03 | 2017-10-19 | セクストン ガーニー ダニエル | Moment canceling 4-stroke engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614838A (en) * | 1979-07-13 | 1981-02-13 | Mitsubishi Heavy Ind Ltd | Cylinder head for internal combustion engine |
| JPS5611307B2 (en) * | 1976-05-14 | 1981-03-13 | ||
| JPS5613503B2 (en) * | 1976-01-31 | 1981-03-28 |
-
1983
- 1983-12-23 JP JP20118983U patent/JPS60105805U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613503B2 (en) * | 1976-01-31 | 1981-03-28 | ||
| JPS5611307B2 (en) * | 1976-05-14 | 1981-03-13 | ||
| JPS5614838A (en) * | 1979-07-13 | 1981-02-13 | Mitsubishi Heavy Ind Ltd | Cylinder head for internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017531134A (en) * | 2014-07-03 | 2017-10-19 | セクストン ガーニー ダニエル | Moment canceling 4-stroke engine |
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