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WO2018097293A1 - Rondelle de butée - Google Patents

Rondelle de butée Download PDF

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Publication number
WO2018097293A1
WO2018097293A1 PCT/JP2017/042427 JP2017042427W WO2018097293A1 WO 2018097293 A1 WO2018097293 A1 WO 2018097293A1 JP 2017042427 W JP2017042427 W JP 2017042427W WO 2018097293 A1 WO2018097293 A1 WO 2018097293A1
Authority
WO
WIPO (PCT)
Prior art keywords
washer
groove
thrust
inner peripheral
peripheral side
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.)
Ceased
Application number
PCT/JP2017/042427
Other languages
English (en)
Japanese (ja)
Inventor
唯志 難波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiho Kogyo Co Ltd
Original Assignee
Taiho Kogyo Co Ltd
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
Priority claimed from JP2016229947A external-priority patent/JP2018087582A/ja
Priority claimed from JP2016229948A external-priority patent/JP2018087583A/ja
Application filed by Taiho Kogyo Co Ltd filed Critical Taiho Kogyo Co Ltd
Publication of WO2018097293A1 publication Critical patent/WO2018097293A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics

Definitions

  • the present invention relates to a thrust washer.
  • Patent Document 1 describes a washer having an oil groove formed on a thrust surface.
  • Patent Document 2 describes a bearing in which an axial groove is formed on a sliding surface, although a washer is not described.
  • the present invention provides a technique for improving the supply of lubricating oil through the inner peripheral side surface of a washer in a thrust washer.
  • the present invention includes a thrust washer body having a thrust surface, a back surface, a hole penetrating from the thrust surface to the back surface, and a side surface on the hole side, and a groove formed on the side surface and communicating with at least the thrust surface.
  • a thrust washer body having a thrust surface, a back surface, a hole penetrating from the thrust surface to the back surface, and a side surface on the hole side, and a groove formed on the side surface and communicating with at least the thrust surface.
  • the groove may be formed obliquely with respect to the thrust surface along the rotation direction of the shaft passing through the hole.
  • the groove may communicate with the back surface.
  • the plurality of grooves may be formed on the side surface, and the plurality of grooves may be arranged at equal intervals on the side surface.
  • the thrust washer body may be made of resin.
  • the thrust washer may have dimples formed on the side surface at a position communicating with the groove.
  • the groove may be shallower than the dimple.
  • the thrust washer body may be provided with a plurality of the dimples.
  • the plurality of dimples may each be provided with one groove communicating from the dimple to the thrust surface.
  • the plurality of dimples may be arranged at equal intervals on the side surface.
  • FIG. 3 is a three-side view illustrating the appearance of the washer 31.
  • the schematic diagram which illustrates the structure of the inner peripheral side surface 314.
  • FIG. 3 The schematic diagram which shows another example of the structure of the inner peripheral side surface 314.
  • FIG. The schematic diagram which shows another example of the structure of the inner peripheral side surface 314.
  • FIG. The schematic diagram which shows another example of the structure of the inner peripheral side surface 314.
  • FIG. The schematic diagram which shows another example of the structure of the inner peripheral side surface 314.
  • FIG. 3 The schematic diagram which shows another example of the structure of the inner peripheral side surface 314.
  • FIG. 3 is a three-side view illustrating the appearance of the washer 41.
  • FIG. FIG. 3 is a schematic diagram showing a cross section of the washer 41 along AA.
  • FIG. 1 is a diagram illustrating an appearance of a bearing 1 according to a first embodiment.
  • the bearing 1 is for supporting the shaft 9 and is a bearing in which two half bearings, a half bearing 10 and a half bearing 20 are combined.
  • the shaft 9 is a rotating shaft, for example, an engine crankshaft. That is, the bearing 1 is a bearing used as a so-called main bearing of an engine.
  • the half bearing 10 is a so-called upper bearing that is disposed above the gravity when assembled, and the half bearing 20 is a lower bearing that is disposed below.
  • the half bearing 10 is fixed to an upper housing (not shown).
  • a washer 31 and a washer 32 are further fixed to the upper housing.
  • the half bearing 10 and the half bearing 20 have, for example, a three-layer structure of a back metal, a lining layer, and an overlay layer (these layer structures are not shown).
  • the backing metal is a layer for imparting mechanical strength to the bearing.
  • the back metal is made of steel, for example.
  • the lining layer is provided along the sliding surface of the bearing (the surface in contact with the shaft), and the characteristics as a bearing, for example, friction characteristics, seizure resistance, wear resistance, conformability, foreign matter embedment (foreign matter robustness) ) And corrosion resistance.
  • the lining layer is made of a bearing alloy. In order to prevent adhesion with the shaft, it is preferable to avoid the same material system as the shaft, and to use a material system different from the shaft as the bearing alloy.
  • the overlay layer is a layer that forms a sliding surface, and is a layer for improving characteristics of the lining layer such as a coefficient of friction, conformability, corrosion resistance, and foreign material burying property (foreign material robustness).
  • the overlay layer includes, for example, at least a binder resin.
  • a binder resin for example, a thermosetting resin is used.
  • the binder resin includes at least one of polyamide imide (PAI) resin, polyimide (PI) resin, polyamide resin, phenol resin, polyacetal resin, and polyphenylene sulfide resin.
  • PAI polyamide imide
  • PI polyimide
  • the overlay layer may further contain an additive such as a solid lubricant.
  • Solid lubricant is added to improve the friction properties.
  • the solid lubricant includes, for example, at least one of MoS 2 , WS 2 , polytetrafluoroethylene (PTFE), graphite, h-BN, and Sb 2 O 3 .
  • the washer 31, the washer 32, the washer 41, and the washer 42 are all made of resin.
  • the resin for example, at least one of PAI resin, PI resin, polyamide resin, phenol resin, polyacetal resin, and polyphenylene sulfide resin is used. This resin may be the same as or different from the binder resin of the overlay layer of the half bearing 10 and the half bearing 20.
  • FIG. 2 is a schematic diagram of a cross section of the half bearing 10, the washer 31, and the washer 32 parallel to the z-axis.
  • the sliding surface (lower side in FIG. 2) of the half bearing 10 is, for example, from an oil pump (not shown) through an oil passage (not shown) formed in a shaft 9 (for example, a crankshaft). Lubricating oil is supplied.
  • the thrust surface (sliding surface; outside of FIG. 2) of the washer 31 and the washer 32 is not directly lubricated, but the lubricating oil overflowing from the sliding surface of the half bearing 10 to both sides in the axial direction. It is supplied to the thrust surfaces of the washer 31 and the washer 32 to form an oil film.
  • FIG. 3 is a three-side view illustrating the appearance of the washer 31.
  • the washer 31 has a thrust surface 311, a back surface 312, a mating surface 313, an inner peripheral side surface 314, an outer peripheral side surface 315, and a mating surface 316. These surface structures are formed on the washer body 319.
  • the thrust surface 311 is a surface (sliding surface) that receives a thrust load.
  • the back surface 312 is the back surface of the thrust surface 311 and is supported by the housing.
  • the washer 31 has a semicircular hole (a hole through which the shaft 9 passes) penetrating from the thrust surface 311 to the back surface 312 at the center of the semicircle.
  • the mating surface 313 and the mating surface 316 are surfaces facing the lower washer 41.
  • the inner peripheral side surface 314 is a surface facing the shaft 9.
  • the outer peripheral side surface 315 is a surface facing the housing.
  • FIG. 4 is a schematic view illustrating the structure of the inner peripheral side surface 314.
  • the inner peripheral side surface 314 has a curved surface shape like a cylindrical side surface, here, a diagram in which the inner peripheral side surface 314 is virtually developed in a plane is shown.
  • the inner peripheral side surface 314 has a plurality of grooves 3141.
  • the groove 3141 is a groove for guiding lubricating oil overflowing from the sliding surface of the half bearing 10 to the thrust surface 311.
  • the groove 3141 has one end reaching the thrust surface 311 (communication with the thrust surface 311), but the other end does not reach the back surface 312 and terminates at the inner peripheral side surface 314.
  • the plurality of grooves 3141 all have the same shape, and are formed at a constant interval (pitch).
  • the width of the groove 3141 is 0.5 to 2 mm, and the pitch is 1 to 2 mm.
  • the axial width (thickness) of the washer 31 is, for example, 1 to 3 mm.
  • the groove 3141 is formed substantially uniformly on the inner peripheral side surface 314 from the end on the mating surface 313 side to the end on the mating surface 316 side.
  • the plurality of grooves 3141 are inclined with respect to the thrust surface 311 along the rotation direction of the shaft 9. That the groove 3141 is inclined along the rotation direction of the shaft 9 means that the end on the thrust surface 311 side of the groove 3141 is located downstream of the opposite end in the rotation direction of the shaft 9 (R direction in the figure). To do. By giving such an inclination, the flow of the lubricating oil accompanying the rotation of the shaft 9 can easily be directed in the direction from the back surface 3142 to the thrust surface 311 on the inner peripheral side surface 314, and the supply of the lubricating oil to the thrust surface 311 is smooth. become.
  • the washer 31 is formed by, for example, injection molding. Since the groove 3141 may be formed in the mold, the groove 3141 can be formed simultaneously with the molding of the washer 31 by injection molding. According to resin injection molding, for example, the groove 3141 can be formed with fewer man-hours compared to an example in which the washer 31 is formed of metal and the groove 3141 is formed by cutting.
  • FIG. 5 is a schematic diagram showing another example of the structure of the inner peripheral side surface 314.
  • the groove 3141 reaches (communicates) both the thrust surface 311 and the back surface 312.
  • the half bearing 10 may be formed with an oil hole for supplying lubricating oil to a connecting rod bearing (not shown), and the lubricating oil is supplied from the back surface 312 side of the washer 31 through the oil hole. There is. In such a case, if the groove 3141 communicates from the back surface 312 to the thrust surface 311, it becomes easy to draw the lubricating oil.
  • FIG. 6 to 10 are schematic diagrams showing still another example of the structure of the inner peripheral side surface 314.
  • FIG. FIG. 6 shows an example in which the groove 3141 is not inclined with respect to the thrust surface 311 and is formed perpendicular to the thrust surface 311 and the back surface 312. The example in FIG. 6 is easier to manufacture than the example in which the grooves 3141 are formed obliquely.
  • FIG. 7 shows an example in which the groove 3141 is trapezoidal. This trapezoid has a short side on the thrust surface 311 side. Since the oil passage on the thrust surface 311 side is narrow, the oil film pressure is easily formed on the thrust surface 311.
  • FIG. 8 shows an example in which the groove 3141 is an inverted trapezoid.
  • the inverted trapezoid means a trapezoid having a long side on the thrust surface 311 side.
  • FIG. 9 shows an example in which the groove 3141 has an arc shape.
  • FIG. 10 shows an example in which the groove 3141 has a so-called herringbone shape. Since the oil passage on the thrust surface 311 side is narrow, the oil film pressure is easily formed on the thrust surface 311. 6 to 10 show an example in which the groove 3141 reaches the back surface 312, the end on the back surface 312 side may terminate in the inner peripheral side surface 314 in these shapes of grooves.
  • the shape of the washer is not limited to that exemplified in the embodiment.
  • the washer may have a circular shape instead of a semicircular shape.
  • the material of a washer is not limited to what was illustrated by embodiment.
  • the washer may have a structure in which a plurality of resin layers having different compositions are laminated.
  • at least a part of the washer may be formed of metal.
  • the washer may have a surface structure such as an oil groove on the thrust surface.
  • the shape of the groove formed on the inner peripheral side surface of the washer is not limited to that exemplified in the embodiment.
  • the groove may have any shape as long as lubricating oil can be supplied to the thrust surface.
  • channel is not formed uniformly in an inner peripheral side surface, but the distribution may have a bias in the circumferential direction.
  • channel formed in an inner peripheral side is not limited to what is formed in multiple numbers, A single groove
  • the washer according to the present invention is not limited to that used for the main bearing of the engine. What is used for components other than an engine, such as what is called a diff washer, may be used.
  • Second Embodiment Next, a second embodiment of the present invention will be described.
  • items common to the first embodiment or items that may be shared are denoted by the same reference numerals as those in the first embodiment.
  • the matter according to the second embodiment may be applied separately from the matter according to the first embodiment, or may be applied together with the matter according to the first embodiment.
  • the second embodiment aims to improve the retention of lubricating oil on the inner peripheral side surface of the washer in the thrust washer.
  • FIG. 11 is a diagram showing a problem of the bearing 1.
  • FIG. 11 is a schematic view of the bearing 1 as seen from the axial direction (+ z direction) when the half bearing 10, the half bearing 20, the washer 31, and the washer 41 are viewed. While the shaft 9 is rotating (for example, while the engine is driven), the sliding surface of the half bearing 10 and the half bearing 20 is, for example, from an oil pump (not shown) to the shaft 9. Lubricating oil is supplied through an oil passage (not shown) formed in (for example, a crankshaft). The thrust surfaces (sliding surfaces) of the washer 31, the washer 32, the washer 41, and the washer 42 are not directly lubricated, but the axial directions from the sliding surfaces of the half bearing 10 and the half bearing 20 are not provided.
  • Lubricating oil overflowing on both sides is supplied to form an oil film.
  • the lubricating oil is not supplied to the sliding surfaces of the half bearing 10 and the half bearing 20.
  • Lubricating oil supplied during rotation of the shaft 9 hangs down (half bearing 20 side) along the sliding surfaces of the half bearing 10 and the half bearing 20 or the side surface of each washer (arrow in the figure). ).
  • the lubricating oil is accumulated only in the vicinity of the lowermost part of the half bearing 20, and when the rotation of the shaft 9 is started in this state (for example, when the engine is started), the oil film Is difficult to form.
  • FIG. 12 is a three-side view illustrating the external appearance of the washer 41.
  • the washer 41 will be described below, but the structures of the washer 42, the washer 31, and the washer 32 are the same.
  • the washer 41 has a thrust surface 411, a back surface 412, a mating surface 413, an inner peripheral side surface 414, an outer peripheral side surface 415, and a mating surface 416. These surface structures are formed on the washer body 419.
  • the thrust surface 411 is a surface (sliding surface) that receives a thrust load.
  • the back surface 412 is the back surface of the thrust surface 411 and is supported by the housing.
  • the washer 41 has a semicircular hole (a hole through which the shaft 9 passes) penetrating from the thrust surface 411 to the back surface 412 at the center of the semicircle.
  • the mating surface 413 and the mating surface 416 are surfaces facing the lower washer 41.
  • the inner peripheral side surface 414 is a surface facing the shaft 9.
  • the outer peripheral side surface 415 is a surface facing the housing.
  • FIG. 13 is a schematic view illustrating the structure of the inner peripheral side surface 414.
  • the inner peripheral side surface 414 has a curved surface shape like the side surface of a cylinder, the figure which expanded the inner peripheral side surface 414 on the plane virtually here is shown.
  • the inner peripheral side surface 414 has a plurality of dimples 4141.
  • the “dimple” refers to a portion that is recessed on the surface from other portions.
  • the dimple 4141 is a dimple for holding the lubricating oil overflowing from the sliding surface of the half bearing 10 or the half bearing 20 when the shaft 9 is stopped.
  • each of the plurality of dimples 4141 has a groove 4142 (an example of a first groove) that reaches (communicates) with the thrust surface 411.
  • the groove 4142 is a groove for supplying the lubricating oil held in the dimple 4141 to the thrust surface 411 when the rotation of the shaft 9 is started.
  • Each of the plurality of dimples 4141 and the groove 4142 has the same shape and is formed at a constant interval (pitch).
  • the dimple 4141 has a circular or elliptical shape when viewed from the direction perpendicular to the inner peripheral side surface, and has a diameter of 0.5 to 2 mm as an example.
  • the pitch of the dimples 4141 is 1 to 2 mm.
  • the axial width (thickness) of the washer 41 is, for example, 1 to 3 mm.
  • the dimple 4141 is formed at a position including the center in the axial direction of the inner peripheral side surface 414, for example.
  • the dimples 4141 are formed substantially uniformly on the inner peripheral side surface 414 from the end portion on the mating surface 413 side to the end portion on the mating surface 416 side. By forming the dimple 4141 uniformly without being biased to a specific position in the circumferential direction, the lubricating oil can be held and supplied uniformly regardless of the position in the circumferential direction.
  • the plurality of grooves 4142 are inclined with respect to the thrust surface 411 along the rotation direction of the shaft 9. That the groove 4142 is inclined along the rotation direction of the shaft 9 means that the end on the thrust surface 411 side of the groove 4142 is located downstream of the opposite end in the rotation direction of the shaft 9 (R direction in the figure). To do. By giving such an inclination, the flow of the lubricating oil accompanying the rotation of the shaft 9 is likely to move in the direction from the dimple 4141 to the thrust surface 411 on the inner peripheral side surface 414, and the supply of the lubricating oil to the thrust surface 411 is smooth. become.
  • the washer 41 is molded by, for example, injection molding. Since the dimple 4141 and the groove 4142 may be formed in a mold, the dimple 4141 and the groove 4142 can be formed simultaneously with the molding of the washer 41 by injection molding. According to resin injection molding, for example, the dimple 4141 and the groove 4142 can be formed with fewer man-hours than an example in which the washer 41 is formed of metal and the dimple 4141 and the groove 4142 are formed by cutting.
  • FIG. 14 is a schematic diagram showing an AA cross section of the washer 41.
  • the AA cross section is a cross section parallel to the extending direction of the groove 4142 and perpendicular to the inner peripheral side surface 414.
  • the cross section of the dimple 4141 has a circular arc shape or an elliptical arc shape.
  • the depth hd of the dimple 4141 is deeper than the depth hg of the groove 4142.
  • the depth of the dimple 4141 is, for example, 5 to 20 ⁇ m, and as an example, 10 ⁇ m.
  • the depth of the groove 4142 is, for example, half or less than the depth of the dimple 4141.
  • FIG. 15 is a schematic diagram showing another example of the structure of the inner peripheral side surface 414.
  • each of the plurality of dimples 4141 further includes a groove 4143 (an example of a second groove).
  • the groove 4143 is a groove that reaches (communicates) from the dimple 4141 to the back surface 412.
  • the half bearing 10 or the half bearing 20 may be formed with an oil hole for supplying lubricating oil to a connecting rod bearing (not shown), and the lubricating oil is provided from the back surface 412 side of the washer 41 through the oil hole. May be supplied. In such a case, if the groove 4143 communicates from the back surface 412 to the dimple 4141, the lubricating oil is easily drawn.
  • FIG. 16 to 18 are schematic views showing still another example of the structure of the inner peripheral side surface 414.
  • FIG. FIG. 16 shows an example in which the groove 4143 is formed obliquely with respect to the back surface 412. By giving such an inclination, the flow of the lubricating oil accompanying the rotation of the shaft 9 is easily directed in the direction from the back surface 412 to the dimple 4141 on the inner peripheral side surface 414, and the supply of the lubricating oil to the dimple 4141 becomes smooth.
  • FIG. 17 shows an example in which the groove 4142 and the groove 4143 are perpendicular to the thrust surface 411 and the back surface 412 and are not inclined obliquely. The example of FIG. 17 is easier to manufacture than the example of FIG.
  • FIGS. 15 to 17 show examples in which the dimples 4141 and the grooves 4142 correspond one-to-one, but the dimples 4141 and the grooves 4142 do not have to correspond one-to-one.
  • FIG. 18 shows an example in which two grooves 4142 extend from one dimple 4141. Compared with the example of FIG. 13, the volume of the dimple can be increased. Therefore, according to the example of FIG. 18, the holding power of the lubricating oil can be further improved.
  • the shapes of the dimples and grooves formed on the inner peripheral side surface of the washer are not limited to those exemplified in the embodiment.
  • the dimple may have any shape as long as it can hold the lubricating oil
  • the groove may have any shape as long as the lubricating oil can be supplied to the thrust surface or the dimple.
  • the dimples and the grooves are not uniformly formed on the inner peripheral side surface, and the distribution thereof may be biased in the circumferential direction.
  • the dimple formed on the inner peripheral side surface is not limited to a plurality of dimples, and a single dimple may be formed.
  • the grooves may be omitted on the inner peripheral side surface, and only dimples may be formed.
  • the dimples are formed on the inner peripheral side surfaces of both the upper side washer and the lower side washer.
  • the dimple is formed only on the lower side washer.
  • the inner peripheral side surface may not have dimples.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

Selon l'invention, une rondelle (31) comporte: un corps de rondelle (319) présentant une surface de poussée (311), une surface arrière (312), un trou traversant creusé de la surface de poussée (311) à la surface arrière (312), et une surface périphérique interne (314) côté trou. La rondelle comporte également des rainures (3141) formées dans la surface périphérique interne (314) et reliées à au moins la surface de poussée (311).
PCT/JP2017/042427 2016-11-28 2017-11-27 Rondelle de butée Ceased WO2018097293A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2016-229947 2016-11-28
JP2016229947A JP2018087582A (ja) 2016-11-28 2016-11-28 スラストワッシャ
JP2016-229948 2016-11-28
JP2016229948A JP2018087583A (ja) 2016-11-28 2016-11-28 スラストワッシャ

Publications (1)

Publication Number Publication Date
WO2018097293A1 true WO2018097293A1 (fr) 2018-05-31

Family

ID=62195176

Family Applications (1)

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PCT/JP2017/042427 Ceased WO2018097293A1 (fr) 2016-11-28 2017-11-27 Rondelle de butée

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Country Link
WO (1) WO2018097293A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0442913U (fr) * 1990-08-10 1992-04-13
JPH0512635U (ja) * 1991-07-29 1993-02-19 石川島播磨重工業株式会社 過給機のスラスト軸受装置
JPH07502327A (ja) * 1991-12-21 1995-03-09 ティー　アンド　エヌ　テクノロジー　リミテッド フランジ付き軸受
CN101705963A (zh) * 2009-11-27 2010-05-12 中国北车集团大连机车研究所有限公司 东风系列内燃机车增压器推力轴承
JP2013019450A (ja) * 2011-07-11 2013-01-31 Daihatsu Motor Co Ltd 軸受メタル
JP2013155868A (ja) * 2012-01-31 2013-08-15 Samsung Electro-Mechanics Co Ltd スピンドルモータ
JP2015158212A (ja) * 2014-02-21 2015-09-03 Nok株式会社 スラスト軸受

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0442913U (fr) * 1990-08-10 1992-04-13
JPH0512635U (ja) * 1991-07-29 1993-02-19 石川島播磨重工業株式会社 過給機のスラスト軸受装置
JPH07502327A (ja) * 1991-12-21 1995-03-09 ティー　アンド　エヌ　テクノロジー　リミテッド フランジ付き軸受
CN101705963A (zh) * 2009-11-27 2010-05-12 中国北车集团大连机车研究所有限公司 东风系列内燃机车增压器推力轴承
JP2013019450A (ja) * 2011-07-11 2013-01-31 Daihatsu Motor Co Ltd 軸受メタル
JP2013155868A (ja) * 2012-01-31 2013-08-15 Samsung Electro-Mechanics Co Ltd スピンドルモータ
JP2015158212A (ja) * 2014-02-21 2015-09-03 Nok株式会社 スラスト軸受

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