JPS6451720U - - Google Patents
Info
- Publication number
- JPS6451720U JPS6451720U JP14798687U JP14798687U JPS6451720U JP S6451720 U JPS6451720 U JP S6451720U JP 14798687 U JP14798687 U JP 14798687U JP 14798687 U JP14798687 U JP 14798687U JP S6451720 U JPS6451720 U JP S6451720U
- Authority
- JP
- Japan
- Prior art keywords
- oil passage
- recess
- oil
- cooling structure
- supplied
- 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
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 12
- 239000010687 lubricating oil Substances 0.000 claims 5
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は、本考案に係る冷却構造を適用したエ
ンジンの要部断面図、第２図は、本考案に係る冷
却構造を適用したシリンダヘツドを概念的に示し
た上面図、第３図は、従来の冷却構造を適用した
エンジンを概念的に示した要部断面図である。
１１…シリンダヘツド、１９…凹部、２０…燃
焼室、２４…第１のオイル通路、２８…エキゾー
ストポート。
Fig. 1 is a sectional view of the main parts of an engine to which the cooling structure according to the present invention is applied, Fig. 2 is a top view conceptually showing a cylinder head to which the cooling structure according to the present invention is applied, and Fig. 3 is a , is a sectional view of a main part conceptually showing an engine to which a conventional cooling structure is applied. DESCRIPTION OF SYMBOLS 11... Cylinder head, 19... Recessed part, 20... Combustion chamber, 24... First oil passage, 28... Exhaust port.
Claims (1)
部を設け、この凹部に潤滑油を供給することによ
つて前記シリンダヘツドを冷却するようにしたエ
ンジンの冷却構造において、前記シリンダヘツド
におけるエキゾーストポートの近傍に第１のオイ
ル通路を設けるとともに、前記凹部と前記第１の
オイル通路とを連通させ、前記凹部へ供給された
潤滑油を前記第１のオイル通路へ供給するように
したことを特徴とするエンジンの冷却構造。 (2) シリンダブロツクにおけるシリンダ壁の近
傍に第２のオイル通路を設けるとともに、上記第
１のオイル通路と前記第２のオイル通路とを連通
させ、前記第１のオイル通路へ供給された潤滑油
を前記第２のオイル通路へ供給するようにしたこ
とを特徴とする実用新案登録請求の範囲第(1)項
記載のエンジンの冷却構造。 (3) 上記凹部の開口縁を閉塞し、上記第１のオ
イル通路へ潤滑油を圧送するようにしたことを特
徴とする実用新案登録請求の範囲第(1)項記載の
エンジンの冷却構造。 (4) 上記凹部の開口縁を閉塞し、上記第１のオ
イル通路および上記第２のオイル通路へ潤滑油を
それぞれ圧送するようにしたことを特徴とする実
用新案登録請求の範囲第(2)項記載のエンジンの
冷却構造。[Claims for Utility Model Registration] (1) An engine cooling structure in which a recess is provided above the combustion chamber in the cylinder head, and the cylinder head is cooled by supplying lubricating oil to the recess, A first oil passage is provided in the vicinity of the exhaust port in the cylinder head, and the recess is communicated with the first oil passage, so that the lubricating oil supplied to the recess is supplied to the first oil passage. An engine cooling structure characterized by: (2) A second oil passage is provided near the cylinder wall of the cylinder block, and the first oil passage and the second oil passage are communicated with each other, and lubricating oil is supplied to the first oil passage. The engine cooling structure according to claim 1, characterized in that the oil is supplied to the second oil passage. (3) The engine cooling structure as set forth in claim (1), wherein the opening edge of the recess is closed to force lubricating oil to the first oil passage. (4) Utility model registration claim No. (2) characterized in that the opening edge of the recess is closed and lubricating oil is force-fed to the first oil passage and the second oil passage. Cooling structure of the engine described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14798687U JPS6451720U (en) | 1987-09-28 | 1987-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14798687U JPS6451720U (en) | 1987-09-28 | 1987-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451720U true JPS6451720U (en) | 1989-03-30 |
Family
ID=31418892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14798687U Pending JPS6451720U (en) | 1987-09-28 | 1987-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451720U (en) |
-
1987
- 1987-09-28 JP JP14798687U patent/JPS6451720U/ja active Pending
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