JPH0193345U - - Google Patents
Info
- Publication number
- JPH0193345U JPH0193345U JP18769487U JP18769487U JPH0193345U JP H0193345 U JPH0193345 U JP H0193345U JP 18769487 U JP18769487 U JP 18769487U JP 18769487 U JP18769487 U JP 18769487U JP H0193345 U JPH0193345 U JP H0193345U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cylinder block
- water
- combustion engine
- internal combustion
- 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 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は水冷式多気筒内燃機関の公知に係るシ
リンダブロツクの要部断面図、第２図は本考案の
一実施例に係るアルミニウム合金製シリンダブロ
ツクの頂面を示す平面図、第３図はその頂面に近
い位置で截断した要部横断面図、第４図は第２図
における―線断面図、第５図は変形例を示す
図である。
１……シリンダブロツク、２……シリンダボア
、３……シリンダボア内壁部、４……繊維強化層
、５……基質金属層、６……シリンダバレル、７
……ウオータージヤケツト、８……シリンダブロ
ツク外壁、９……頂壁、１０……下半部、１１…
…連結部、１２……筒状ケレン、１３……端部、
１４……補強壁。
Fig. 1 is a sectional view of a main part of a known cylinder block of a water-cooled multi-cylinder internal combustion engine, Fig. 2 is a plan view showing the top surface of an aluminum alloy cylinder block according to an embodiment of the present invention, and Fig. 3 4 is a cross-sectional view of the main part taken at a position close to the top surface, FIG. 4 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 5 is a view showing a modification. DESCRIPTION OF SYMBOLS 1... Cylinder block, 2... Cylinder bore, 3... Cylinder bore inner wall part, 4... Fiber reinforced layer, 5... Substrate metal layer, 6... Cylinder barrel, 7
... Water jacket, 8 ... Cylinder block outer wall, 9 ... Top wall, 10 ... Lower half, 11 ...
...Connecting part, 12...Cylindrical part, 13...End part,
14...Reinforcement wall.
Claims (1)
との間に画成されるウオータージヤケツトを有し
、複数のシリンダバレルが連結部を介して直列に
連なる水冷式多気筒内燃機関のシリンダブロツク
において、 前記シリンダバレル連結部に両端が開放された
筒状のケレンを鋳包みにより一体に設け、該ケレ
ンの両端部をウオータージヤケツト内に突出させ
て成り、前記筒状ケレンは断面長円形状体または
楕円形状体であつて、内部補強壁を一体に備えて
いることを特徴とする水冷式多気筒内燃機関のシ
リンダブロツク。 (2) 前記筒状ケレンのウオータージヤケツト内
への両端部突出長さは、一端側が他端側に比して
大きくなされていることを特徴とする実用新案登
録請求の範囲第１項に記載された水冷式多気筒内
燃機関のシリンダブロツク。 (3) 前記シリンダブロツクで画成されるシリン
ダボアの内壁部が繊維強化層として形成されてい
ることを特徴とする実用新案登録請求の範囲第１
項に記載された水冷式多気筒内燃機関のシリンダ
ブロツク。[Claims for Utility Model Registration] (1) A water-cooled multi-cylinder cylinder having a water jacket defined between the outer wall of the cylinder block and the cylinder barrel, and in which a plurality of cylinder barrels are connected in series via a connecting part. In a cylinder block for an internal combustion engine, a cylindrical embossment with both ends open is integrally provided in the cylinder barrel connecting portion by casting, and both ends of the embossment protrude into the water jacket, and the cylindrical embossment A cylinder block for a water-cooled multi-cylinder internal combustion engine, characterized in that the cylinder block has an oval or elliptical cross section and is integrally provided with an internal reinforcing wall. (2) The length of the protrusion of both ends of the cylindrical part into the water jacket is larger on one end than on the other end, as set forth in claim 1 of the utility model registration claim. Cylinder block of a water-cooled multi-cylinder internal combustion engine. (3) Utility model registration claim 1, characterized in that the inner wall of the cylinder bore defined by the cylinder block is formed as a fiber reinforced layer.
Cylinder block of the water-cooled multi-cylinder internal combustion engine described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18769487U JPH0193345U (en) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18769487U JPH0193345U (en) | 1987-12-11 | 1987-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193345U true JPH0193345U (en) | 1989-06-20 |
Family
ID=31478829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18769487U Pending JPH0193345U (en) | 1987-12-11 | 1987-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193345U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126356A (en) * | 1984-11-26 | 1986-06-13 | Toyota Motor Corp | Light metallic cylinder block for internal-combustion engine |
| JPS6210255B2 (en) * | 1978-06-19 | 1987-03-05 | Showa Electric Wire & Cable Co |
-
1987
- 1987-12-11 JP JP18769487U patent/JPH0193345U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6210255B2 (en) * | 1978-06-19 | 1987-03-05 | Showa Electric Wire & Cable Co | |
| JPS61126356A (en) * | 1984-11-26 | 1986-06-13 | Toyota Motor Corp | Light metallic cylinder block for internal-combustion engine |
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