JPH0356857U - - Google Patents

Info

Publication number
JPH0356857U
JPH0356857U JP11903289U JP11903289U JPH0356857U JP H0356857 U JPH0356857 U JP H0356857U JP 11903289 U JP11903289 U JP 11903289U JP 11903289 U JP11903289 U JP 11903289U JP H0356857 U JPH0356857 U JP H0356857U
Authority
JP
Japan
Prior art keywords
stiffener
cylinder block
engine
crankshaft
main journal
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.)
Granted
Application number
JP11903289U
Other languages
Japanese (ja)
Other versions
JP2559972Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989119032U priority Critical patent/JP2559972Y2/en
Publication of JPH0356857U publication Critical patent/JPH0356857U/ja
Application granted granted Critical
Publication of JP2559972Y2 publication Critical patent/JP2559972Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１〜３図は本考案の一実施例としての騒音低
減ステイフナ付エンジンを示すもので、第１図は
その構造を模式的に示す正面図、第２図はそのス
テイフナを示す模式的斜視図、第３図はその特性
を示すグラフであり、第４図は従来のクランク軸
受構造を示す模式的分解斜視図である。 １…シリンダブロツク、１ａ〜１ｅ…軸受本体
部分、２…クランクシヤフト、３，３ａ〜３ｅ…
メインジヤーナルキヤツプ、１０…ステイフナ、
１０ａ…弧状断面部分、１０ｂ…油抜き穴、１０
ｃ…ボルト穴、１１，１２…キヤツプボルト。 Figures 1 to 3 show an engine with a noise reduction stiffener as an embodiment of the present invention. Figure 1 is a front view schematically showing its structure, and Figure 2 is a schematic perspective view showing the stiffener. , FIG. 3 is a graph showing its characteristics, and FIG. 4 is a schematic exploded perspective view showing a conventional crank bearing structure. DESCRIPTION OF SYMBOLS 1...Cylinder block, 1a-1e...Bearing body part, 2...Crankshaft, 3, 3a-3e...
Main journal cap, 10...Stiffener,
10a...Arc-shaped cross section portion, 10b...Oil drain hole, 10
c... Bolt hole, 11, 12... Cap bolt.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンにおいて、複数のシリンダをそなえた
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、同シリンダブロツク
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、同メインジヤーナ
ルキヤツプを上記シリンダブロツクへ締め付け固
定するキヤツプボルトとをそなえ、上記エンジン
の運転時騒音を低減させるべく、上記複数個のメ
インジヤーナルキヤツプの下面両端部に係合し上
記キヤツプボルトにより共締め固定されたステイ
フナが設けられて、同ステイフナが、その断面形
状を弧状に形成されるとともに、油抜き用の穴を
該ステイフナの最下部から上記クランクシヤフト
回転方向へ偏位するように形成されていることを
特徴とする、騒音低減ステイフナ付エンジン。 In an engine, a cylinder block having a plurality of cylinders, a crankshaft supported by the cylinder block, a plurality of bearing body portions protruding from the cylinder block along the axial direction of the crankshaft, and the bearing body The engine is equipped with a plurality of main journal caps that are fixed to each of the parts to form a bearing, and a cap bolt that tightens and fixes the main journal cap to the cylinder block. A stiffener is provided which engages with both ends of the lower surface of each of the main journal caps and is fastened together with the cap bolts. An engine with a noise reduction stiffener, characterized in that the stiffener is formed to be offset from the lowest part of the stiffener in the direction of rotation of the crankshaft.
JP1989119032U 1989-10-11 1989-10-11 Engine with noise reduction stiffener Expired - Lifetime JP2559972Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989119032U JP2559972Y2 (en) 1989-10-11 1989-10-11 Engine with noise reduction stiffener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989119032U JP2559972Y2 (en) 1989-10-11 1989-10-11 Engine with noise reduction stiffener

Publications (2)

Publication Number Publication Date
JPH0356857U true JPH0356857U (en) 1991-05-31
JP2559972Y2 JP2559972Y2 (en) 1998-01-19

Family

ID=31667173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989119032U Expired - Lifetime JP2559972Y2 (en) 1989-10-11 1989-10-11 Engine with noise reduction stiffener

Country Status (1)

Country Link
JP (1) JP2559972Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045902A (en) * 2022-06-16 2022-09-13 山东润金重工科技有限公司 Locomotive crankshaft forging

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136014A (en) * 1984-12-06 1986-06-23 Honda Motor Co Ltd Support device for crankshaft of multicylindered internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136014A (en) * 1984-12-06 1986-06-23 Honda Motor Co Ltd Support device for crankshaft of multicylindered internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045902A (en) * 2022-06-16 2022-09-13 山东润金重工科技有限公司 Locomotive crankshaft forging

Also Published As

Publication number Publication date
JP2559972Y2 (en) 1998-01-19

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