JPH01127953U - - Google Patents
Info
- Publication number
- JPH01127953U JPH01127953U JP2295388U JP2295388U JPH01127953U JP H01127953 U JPH01127953 U JP H01127953U JP 2295388 U JP2295388 U JP 2295388U JP 2295388 U JP2295388 U JP 2295388U JP H01127953 U JPH01127953 U JP H01127953U
- Authority
- JP
- Japan
- Prior art keywords
- coolant passage
- head
- bolt boss
- head bolt
- communication hole
- 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
- 239000002826 coolant Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 4
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案による冷却液通路構造を備えた
シリンダヘツドの底面図、第２図は第１図の線
―に沿う断面図、第３図及び第４図は各々本考
案によるシリンダヘツドの冷却液通路構造の他の
実施例を示す縦断面図である。
１０……シリンダヘツド、１２……シリンダブ
ロツクとの接合面、１４……燃焼室の頭部を構成
する窪み部、１６……点火プラグ取付け孔、１８
ａ，１８ｂ……ボルト通し孔、２０ａ，２０ｂ…
…ヘツドボルトボス部、２２……吸気ポート、２
２ａ……吸気入口端、２２ｂ，２２ｃ，２２ｄ…
…吸気ポートの燃焼室に対する開口端、２４……
バルブシート部材、２６……排気ポート、２６ａ
……排気ガス出口端、２６ｂ，２６ｃ……燃焼室
に対する開口端、２８……バルブシート部材、３
０……主冷却液通路、３２……通路、３６……ポ
ート下冷却液通路、３８……連通孔、４０……巾
木による開口、４２……連通孔、４４……連通孔
。
FIG. 1 is a bottom view of a cylinder head equipped with a coolant passage structure according to the present invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIGS. FIG. 7 is a longitudinal cross-sectional view showing another example of the coolant passage structure. DESCRIPTION OF SYMBOLS 10... Cylinder head, 12... Joint surface with the cylinder block, 14... Recessed part forming the head of the combustion chamber, 16... Spark plug mounting hole, 18
a, 18b... Bolt through hole, 20a, 20b...
...Head bolt boss part, 22...Intake port, 2
2a...Intake inlet end, 22b, 22c, 22d...
...The opening end of the intake port to the combustion chamber, 24...
Valve seat member, 26...exhaust port, 26a
...exhaust gas outlet end, 26b, 26c...opening end to the combustion chamber, 28...valve seat member, 3
0... Main coolant passage, 32... Passage, 36... Port lower coolant passage, 38... Communication hole, 40... Opening by baseboard, 42... Communication hole, 44... Communication hole.
Claims (1)
のためのポートのシリンダブロツク側を横切つて
延在する冷却液通路を有し、前記冷却液通路はヘ
ツドボルトボス部の内側を取巻いて延在して冷却
液が流れる連通孔を含んでいることを特徴とする
内燃機関のシリンダヘツドの冷却液通路構造。 It has a coolant passage extending across the cylinder block side of the port for intake or exhaust on the outside of the head bolt boss, and the coolant passage extends around the inside of the head bolt boss. A coolant passage structure for a cylinder head of an internal combustion engine, characterized in that it includes a communication hole through which a coolant flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2295388U JPH01127953U (en) | 1988-02-23 | 1988-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2295388U JPH01127953U (en) | 1988-02-23 | 1988-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01127953U true JPH01127953U (en) | 1989-08-31 |
Family
ID=31241531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2295388U Pending JPH01127953U (en) | 1988-02-23 | 1988-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01127953U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01182560A (en) * | 1988-01-11 | 1989-07-20 | Yamaha Motor Co Ltd | Cylinder head structure of engine with supercharger |
-
1988
- 1988-02-23 JP JP2295388U patent/JPH01127953U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01182560A (en) * | 1988-01-11 | 1989-07-20 | Yamaha Motor Co Ltd | Cylinder head structure of engine with supercharger |