JPH0356855U - - Google Patents
Info
- Publication number
- JPH0356855U JPH0356855U JP11903389U JP11903389U JPH0356855U JP H0356855 U JPH0356855 U JP H0356855U JP 11903389 U JP11903389 U JP 11903389U JP 11903389 U JP11903389 U JP 11903389U JP H0356855 U JPH0356855 U JP H0356855U
- Authority
- JP
- Japan
- Prior art keywords
- crankshaft
- bearing
- engine
- aluminum
- rigidity
- 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
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の第１実施例としての高膨張率
高剛性ビーム式ベアリング付エンジンを示す分解
斜視図であり、第２図は本考案の第２実施例とし
ての高膨張率高剛性ビーム式ベアリング付エンジ
ンを示す分解斜視図であり、第３図は本考案の第
３実施例としての高膨張率高剛性ビーム式ベアリ
ング付エンジンを示す分解斜視図であり、第４，
５図は従来のエンジンにおけるクランク軸受構造
を示すもので、第４図はその分解斜視図、第５図
はその要部の変形状態を示す模式図である。
１…シリンダブロツク、１ａ〜１ｅ…軸受本体
部分、３ａ〜３ｅ…メインジヤーナルキヤツプ、
１１ａ，１１ｂ，１２ａ，１２ｂ，１３ａ，１３
ｂ…ビーム部。
FIG. 1 is an exploded perspective view showing an engine with a high expansion coefficient and high rigidity beam type bearing as a first embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a high expansion coefficient and high rigidity beam type engine as a second embodiment of the present invention. Fig. 3 is an exploded perspective view showing an engine with a high expansion coefficient and high rigidity beam type bearing as a third embodiment of the present invention;
FIG. 5 shows a crank bearing structure in a conventional engine, FIG. 4 is an exploded perspective view thereof, and FIG. 5 is a schematic diagram showing a deformed state of its main parts. 1... Cylinder block, 1a to 1e... Bearing body part, 3a to 3e... Main journal cap,
11a, 11b, 12a, 12b, 13a, 13
b...beam section.
Claims (1)
アルミニウム製シリンダブロツクと、同シリンダ
ブロツクに支承されるクランクシヤフトと、同ク
ランクシヤフトにおいて上記クランクシヤフトの
軸方向に沿い複数個突設された軸受本体部分と、
同軸受本体部分のそれぞれに固着されて軸受を構
成する複数個のメインジヤーナルキヤツプと、上
記エンジンの騒音を低減させるため上記メインジ
ヤーナルキヤツプにその剛性を確保すべく装備さ
れて上記クランクシヤフトの軸方向に延在するビ
ーム部とをそなえ、同ビーム部が、アルミニウム
と近似した高線膨張率をそなえるとともにアルミ
ニウムより高剛性の材料で形成されたことを特徴
とする、高膨張率高剛性ビーム式ベアリング付エ
ンジン。 In the engine, an aluminum cylinder block having a plurality of cylinders, a crankshaft supported by the cylinder block, and a plurality of bearing main body parts protruding from the crankshaft along the axial direction of the crankshaft;
A plurality of main journal caps are fixed to each of the bearing body parts to constitute a bearing, and the main journal cap is equipped to ensure its rigidity in order to reduce the noise of the engine, and the main journal cap is installed in the axial direction of the crankshaft. A high-expansion, high-rigidity beam type bearing, characterized in that the beam has a high coefficient of linear expansion similar to that of aluminum and is made of a material with higher rigidity than aluminum. Engine included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11903389U JPH0356855U (en) | 1989-10-11 | 1989-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11903389U JPH0356855U (en) | 1989-10-11 | 1989-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356855U true JPH0356855U (en) | 1991-05-31 |
Family
ID=31667174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11903389U Pending JPH0356855U (en) | 1989-10-11 | 1989-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016050488A (en) * | 2014-08-29 | 2016-04-11 | マツダ株式会社 | Engine crankshaft bearing structure |
-
1989
- 1989-10-11 JP JP11903389U patent/JPH0356855U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016050488A (en) * | 2014-08-29 | 2016-04-11 | マツダ株式会社 | Engine crankshaft bearing structure |
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