JPS5966019U - thrust gas bearing - Google Patents

thrust gas bearing

Info

Publication number
JPS5966019U
JPS5966019U JP16036782U JP16036782U JPS5966019U JP S5966019 U JPS5966019 U JP S5966019U JP 16036782 U JP16036782 U JP 16036782U JP 16036782 U JP16036782 U JP 16036782U JP S5966019 U JPS5966019 U JP S5966019U
Authority
JP
Japan
Prior art keywords
thrust
bearing surface
bearing
thrust bearing
gas bearing
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
JP16036782U
Other languages
Japanese (ja)
Inventor
寛正 福山
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 JP16036782U priority Critical patent/JPS5966019U/en
Publication of JPS5966019U publication Critical patent/JPS5966019U/en
Pending 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
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic 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) [Abstract] 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 the drawing]

第１図は従来のスラスト気体軸受の断面図、第２図は第
１図に示す一方の軸受面の平面図、第３　　　図はこの
考案の一実施例を示すスラ、スト気体軸受の断面図、第
４図は第３図に示す一方の軸受面の平面図、第５図およ
び第６図はこの考案の他の実施例を示すスラスト気体軸
受の断面図である。 図中、２１はスラスト軸受部材、２３は一方のスラスト
軸受面、２５は組合わせ玉軸受、３１は　　　゛回転可
動部材、３４は一方の接触部、４１は回転軸、４３はス
ラスト軸受すきま、４４は他方のスラスト軸受面、４５
は軸方向すきま、４６は他方の接触部である。Fig. 1 is a sectional view of a conventional thrust gas bearing, Fig. 2 is a plan view of one of the bearing surfaces shown in Fig. 1, and Fig. 3 is a sectional view of a thrust gas bearing showing an embodiment of this invention. 4 is a plan view of one of the bearing surfaces shown in FIG. 3, and FIGS. 5 and 6 are sectional views of a thrust gas bearing showing other embodiments of this invention. In the figure, 21 is a thrust bearing member, 23 is one thrust bearing surface, 25 is a combination ball bearing, 31 is a rotating movable member, 34 is one contact part, 41 is a rotating shaft, 43 is a thrust bearing clearance, 44 is the other thrust bearing surface, 45
is the axial clearance, and 46 is the other contact portion.

Claims (5)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）スラスト軸受部材２１は平面状の一方のスラスト
軸受面２３を有し、回転軸４１は一方のスラスト軸受面
２３にスラスト軸受すきま４３を介して対向する他方の
スラスト軸受面４４を有□　するスラスト気体軸受にお
いて、゛前記スラスト軸受部材２１に取り付けた組合わ
せ玉軸受２５には回転可動部材３１が取り付けられ、該
回転可動部材３１に設けた一方の接触部３４と回転軸４
１に設けた他方の接触部４６とが軸方向すきま４５を介
して対向し、該軸方向すきま４５はスラスト軸受すきま
４３より小さいことを特徴とするスラスト気体軸受。(1) The thrust bearing member 21 has one thrust bearing surface 23 that is planar, and the rotating shaft 41 has the other thrust bearing surface 44 that faces one thrust bearing surface 23 with a thrust bearing clearance 43 in between. In the thrust gas bearing, a rotary movable member 31 is attached to the combination ball bearing 25 attached to the thrust bearing member 21, and one contact portion 34 provided on the rotatable movable member 31 and the rotating shaft 4
The thrust gas bearing is characterized in that the other contact portion 46 provided in the first and second contact portions face each other with an axial clearance 45 interposed therebetween, and the axial clearance 45 is smaller than the thrust bearing clearance 43. （２）スラスト軸受部材２１が一方のスラスト′軸受面
２３の外周に円筒状の一方のラジアル軸受面９１を有し
、回転軸４１が一方のラジアル軸受面９１に対向する他
方のラジアル軸受面９２を有する実用新案登録請求の範
囲第１項記載のスラスト気体軸受。(2) The thrust bearing member 21 has one cylindrical radial bearing surface 91 on the outer periphery of one thrust' bearing surface 23, and the rotating shaft 41 has the other radial bearing surface 92 facing the one radial bearing surface 91. A thrust gas bearing according to claim 1 of the utility model registration claim. （３）一方のスラスト軸受面２３と他方のスラスト軸受
面４４との少なくとも一方が動圧発生用のみぞ２４を有
する実用新案登録請求の範囲第１項記載のスラスト気体
軸受。(3) The thrust gas bearing according to claim 1, wherein at least one of the thrust bearing surface 23 on one side and the thrust bearing surface 44 on the other side has a groove 24 for generating dynamic pressure. （４）一方のスラスト軸受面２３がスラスト軸受部材２
１に設けた給気室６５に通ずるオリフィス孔６５を有す
る実用新案登録請求の範囲第１項記載のスラスト気体軸
受。(4) One thrust bearing surface 23 is the thrust bearing member 2
1. A thrust gas bearing according to claim 1, which has an orifice hole 65 communicating with an air supply chamber 65 provided in claim 1. （５）一方のスラスト軸受面２３が多孔質材料よりなる
実用新案登録請求の範囲第４項記載のスラスト気体軸受
。(5) The thrust gas bearing according to claim 4, in which one thrust bearing surface 23 is made of a porous material.
JP16036782U 1982-10-25 1982-10-25 thrust gas bearing Pending JPS5966019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16036782U JPS5966019U (en) 1982-10-25 1982-10-25 thrust gas bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16036782U JPS5966019U (en) 1982-10-25 1982-10-25 thrust gas bearing

Publications (1)

Publication Number Publication Date
JPS5966019U true JPS5966019U (en) 1984-05-02

Family

ID=30352743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16036782U Pending JPS5966019U (en) 1982-10-25 1982-10-25 thrust gas bearing

Country Status (1)

Country Link
JP (1) JPS5966019U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110747A (en) * 1977-03-08 1978-09-27 Fujitsu Ltd Air dynamic pressure using thrust bearing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110747A (en) * 1977-03-08 1978-09-27 Fujitsu Ltd Air dynamic pressure using thrust bearing

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