JPS6113025U - bearing device - Google Patents

bearing device

Info

Publication number
JPS6113025U
JPS6113025U JP9676784U JP9676784U JPS6113025U JP S6113025 U JPS6113025 U JP S6113025U JP 9676784 U JP9676784 U JP 9676784U JP 9676784 U JP9676784 U JP 9676784U JP S6113025 U JPS6113025 U JP S6113025U
Authority
JP
Japan
Prior art keywords
bearing
shaft
housing
bearing device
pole piece
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
JP9676784U
Other languages
Japanese (ja)
Other versions
JPH031619Y2 (en
Inventor
恭三郎 古村
茂樹 松永
Original Assignee
日本精工株式会社
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 日本精工株式会社 filed Critical 日本精工株式会社
Priority to JP9676784U priority Critical patent/JPS6113025U/en
Publication of JPS6113025U publication Critical patent/JPS6113025U/en
Application granted granted Critical
Publication of JPH031619Y2 publication Critical patent/JPH031619Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
    • F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (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図はこの考案の第１実施例を示す要部断面図、第２
図は同じく第２実施例を示す要部断面図、第３図は従来
の軸受装置の断面図、第４図は第３図の要部拡大図、第
５図は第１図と第４図の軸受装置におけるシール構造の
耐圧性能を比較したグラフである。 Ｈ・・・ハウジング、Ｓ・・・シャフト、Ｂ・・・軸受
、１・・・外輪、２・・・内輪、Ｃ・・・シール装置、
１２，１６・・・磁石、１３．１５・・・ボールピース
、−ｇ・・・隙間、１４・・・磁性流体。Figure 1 is a sectional view of the main parts showing the first embodiment of this invention, and the second
The figure is a sectional view of the main part showing the second embodiment, FIG. 3 is a sectional view of the conventional bearing device, FIG. 4 is an enlarged view of the main part of FIG. 3, and FIG. 2 is a graph comparing the pressure resistance performance of seal structures in bearing devices of H... Housing, S... Shaft, B... Bearing, 1... Outer ring, 2... Inner ring, C... Seal device,
12, 16... Magnet, 13.15... Ball piece, -g... Gap, 14... Magnetic fluid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハウジングと、このハウジングに軸受を介して装着した
シャフトと、このシャフトと軸受側面との間に介装した
シール装置とより成り、かつ、シール装置は、前記軸受
側面に固着した磁石と、この磁石に固着したポールピー
スと、このポール１ースとシャフトとの隙間に注入した
磁性流体とより構成したことを特徴とする軸受装置。It consists of a housing, a shaft attached to the housing via a bearing, and a sealing device interposed between the shaft and the side surface of the bearing, and the sealing device includes a magnet fixed to the side surface of the bearing, and a shaft attached to the housing through a bearing. A bearing device comprising: a pole piece fixed to a shaft; and a magnetic fluid injected into a gap between the pole piece and the shaft.
JP9676784U 1984-06-29 1984-06-29 bearing device Granted JPS6113025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9676784U JPS6113025U (en) 1984-06-29 1984-06-29 bearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9676784U JPS6113025U (en) 1984-06-29 1984-06-29 bearing device

Publications (2)

Publication Number Publication Date
JPS6113025U true JPS6113025U (en) 1986-01-25
JPH031619Y2 JPH031619Y2 (en) 1991-01-18

Family

ID=30656268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9676784U Granted JPS6113025U (en) 1984-06-29 1984-06-29 bearing device

Country Status (1)

Country Link
JP (1) JPS6113025U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152152U (en) * 1988-04-13 1989-10-20

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5557720A (en) * 1978-10-20 1980-04-28 Matsushita Electric Ind Co Ltd Roller bearing
JPS5733222A (en) * 1980-08-08 1982-02-23 Nippon Seiko Kk Sealed antifriction bearing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5557720A (en) * 1978-10-20 1980-04-28 Matsushita Electric Ind Co Ltd Roller bearing
JPS5733222A (en) * 1980-08-08 1982-02-23 Nippon Seiko Kk Sealed antifriction bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152152U (en) * 1988-04-13 1989-10-20

Also Published As

Publication number Publication date
JPH031619Y2 (en) 1991-01-18

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