JPS603361U - Oil seal device for crankshaft - Google Patents

Oil seal device for crankshaft

Info

Publication number
JPS603361U
JPS603361U JP1983095329U JP9532983U JPS603361U JP S603361 U JPS603361 U JP S603361U JP 1983095329 U JP1983095329 U JP 1983095329U JP 9532983 U JP9532983 U JP 9532983U JP S603361 U JPS603361 U JP S603361U
Authority
JP
Japan
Prior art keywords
oil seal
crankshaft
main
seal device
main oil
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
Application number
JP1983095329U
Other languages
Japanese (ja)
Inventor
卓 中田
Original Assignee
ヤンマーディーゼル株式会社
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 by ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP1983095329U priority Critical patent/JPS603361U/en
Publication of JPS603361U publication Critical patent/JPS603361U/en
Pending legal-status Critical Current

Links

Landscapes

  • Sealing With Elastic Sealing Lips (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来のクランクシャフト用オイルシール装置を
適用したディーゼル機関の断面図、第２図は本考案のオ
イルシール装置の一実施例を示す要部断面図、第３図は
本考案オイルシール装置の他の実施例を示す要部断面図
である。 ２１・・・クランクシャフト、２１ａ・・・端部外周面
、２２・・・メインベアリング、２３・・・シリンダブ
ロック、２６・・・オイルリテーナ、２８・・・メイン
オイルシール、３４・・・スラッジ侵入防止用オイルシ
ール（単一リップ付オイルシール）。Fig. 1 is a sectional view of a diesel engine to which a conventional crankshaft oil seal device is applied, Fig. 2 is a sectional view of essential parts showing an embodiment of the oil seal device of the present invention, and Fig. 3 is a sectional view of the oil seal of the present invention. FIG. 7 is a cross-sectional view of main parts showing another embodiment of the device. 21... Crankshaft, 21a... End outer peripheral surface, 22... Main bearing, 23... Cylinder block, 26... Oil retainer, 28... Main oil seal, 34... Sludge Oil seal to prevent intrusion (oil seal with single lip).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダブロックにメインベアリングを介して回転自在
に軸承されたクランクシャフトの軸端部外周面にオイル
リテーナで保持されたダブルリップ付のメインオイルシ
ールを装着してなる内燃機関のクランクシャフト用オイ
ルシール装置において、前記メインオイルシールのメイ
ンベアリング側隣接位置に、単一リップを備えたスラッ
ジ侵入防止用オイルシールを、その吸込方向が前記メイ
ンオイルシールの吸込方向と逆行する如く対向的に配設
し、かつ、該スラッジ侵入防止用オイルシールの吸込み
力を前記メインオイルシールよりも小さく設定せしめた
ことを特徴とするクランクシャフト用オイルシール装置
。An oil seal device for a crankshaft of an internal combustion engine, which comprises a main oil seal with a double lip held by an oil retainer on the outer peripheral surface of the shaft end of the crankshaft, which is rotatably supported in the cylinder block via a main bearing. , an oil seal for preventing sludge intrusion having a single lip is disposed at a position adjacent to the main bearing side of the main oil seal so as to face each other so that the suction direction thereof is opposite to the suction direction of the main oil seal, An oil seal device for a crankshaft, characterized in that the suction force of the oil seal for preventing sludge intrusion is set smaller than that of the main oil seal.
JP1983095329U 1983-06-21 1983-06-21 Oil seal device for crankshaft Pending JPS603361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983095329U JPS603361U (en) 1983-06-21 1983-06-21 Oil seal device for crankshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983095329U JPS603361U (en) 1983-06-21 1983-06-21 Oil seal device for crankshaft

Publications (1)

Publication Number Publication Date
JPS603361U true JPS603361U (en) 1985-01-11

Family

ID=30227708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983095329U Pending JPS603361U (en) 1983-06-21 1983-06-21 Oil seal device for crankshaft

Country Status (1)

Country Link
JP (1) JPS603361U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182956A (en) * 2006-01-10 2007-07-19 Nok Corp Oil seal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429409U (en) * 1977-08-01 1979-02-26
JPS5743341B2 (en) * 1977-04-18 1982-09-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743341B2 (en) * 1977-04-18 1982-09-14
JPS5429409U (en) * 1977-08-01 1979-02-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182956A (en) * 2006-01-10 2007-07-19 Nok Corp Oil seal

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