JPH0465945U - - Google Patents
Info
- Publication number
- JPH0465945U JPH0465945U JP10561490U JP10561490U JPH0465945U JP H0465945 U JPH0465945 U JP H0465945U JP 10561490 U JP10561490 U JP 10561490U JP 10561490 U JP10561490 U JP 10561490U JP H0465945 U JPH0465945 U JP H0465945U
- Authority
- JP
- Japan
- Prior art keywords
- head
- cylinder
- body structure
- integrated
- engine 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.)
- Pending
Links
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図はこの考案の第１実施例を示すエンジン
本体構造の断面図、第２図は第１図の−断面
図、第３図は第２図の−断面図、第４図は第
３図の−断面図、第５図はこの考案の第２実
施例を示す第２図に相当する断面図、第６図は第
５図の−断面図、第７図及び第８図は上記各
実施例に対しオイル遮蔽板を付加した例を示す説
明図、第９図はオイル遮蔽板の斜視図、第１０図
はさらに他の例を示すエンジン本体構造の断面図
、第１１図及び第１２図は従来例を示すエンジン
本体構造の断面図である。
１１……シリンダボア、１３……シリンダ部、
１９……ヘツド部、２１……ブロツク体、３１，
５９……上下穴（ブローバイ通路）、３５，６１
……貫通穴（ブローバイ通路）、３７，６３……
クランク室。
Fig. 1 is a sectional view of the engine body structure showing the first embodiment of this invention, Fig. 2 is a - sectional view of Fig. 1, Fig. 3 is a - sectional view of Fig. 2, and Fig. 4 is a sectional view of the engine main body structure. 5 is a sectional view corresponding to FIG. 2 showing the second embodiment of this invention, FIG. 6 is a sectional view of FIG. 5, and FIGS. 7 and 8 are each of the above-mentioned An explanatory view showing an example in which an oil shielding plate is added to the embodiment, FIG. 9 is a perspective view of the oil shielding plate, FIG. 10 is a sectional view of the engine body structure showing still another example, and FIGS. 11 and 12. The figure is a sectional view of a conventional engine body structure. 11...Cylinder bore, 13...Cylinder part,
19...Head part, 21...Block type, 31,
59...Upper and lower holes (blow-by passage), 35, 61
...Through hole (blow-by passage), 37, 63...
crank chamber.
Claims (1)
を備えたシリンダ部と、シリンダボアのピストン
上死点側開口部を閉塞するヘツド部とが一体とな
つたブロツク体を有するエンジン本体構造におい
て、前記シリンダ部と前記ヘツド部とが一体とな
ることで不要となつた前記ヘツド部取り付け用の
ヘツドボルト穴の占有スペース付近に、前記シリ
ンダ部下方のクランク室と吸気系とを連通するブ
ローバイ通路を設けたことを特徴とするエンジン
本体構造。 In an engine body structure having a block body in which a cylinder portion including a cylinder bore in which a piston is slidably housed and a head portion that closes an opening on the piston top dead center side of the cylinder bore are integrated, the cylinder portion and A blow-by passage that communicates the crank chamber below the cylinder with the intake system is provided near the space occupied by the head bolt hole for attaching the head, which is no longer necessary because the head is integrated with the head. Engine body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10561490U JPH0465945U (en) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10561490U JPH0465945U (en) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465945U true JPH0465945U (en) | 1992-06-09 |
Family
ID=31851368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10561490U Pending JPH0465945U (en) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465945U (en) |
-
1990
- 1990-10-09 JP JP10561490U patent/JPH0465945U/ja active Pending