WO2010063259A1 - Composant de palier et dispositif de palier à superabsorbant - Google Patents

Composant de palier et dispositif de palier à superabsorbant Download PDF

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Publication number
WO2010063259A1
WO2010063259A1 PCT/DE2009/001673 DE2009001673W WO2010063259A1 WO 2010063259 A1 WO2010063259 A1 WO 2010063259A1 DE 2009001673 W DE2009001673 W DE 2009001673W WO 2010063259 A1 WO2010063259 A1 WO 2010063259A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
water
absorbing element
superabsorber
bearing component
Prior art date
Application number
PCT/DE2009/001673
Other languages
German (de)
English (en)
Inventor
Sergej Schwarz
Wolfgang Braun
Original Assignee
Schaeffler Technologies Gmbh & Co. Kg
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 Schaeffler Technologies Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Publication of WO2010063259A1 publication Critical patent/WO2010063259A1/fr

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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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
    • 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
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • 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
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
    • 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
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/64—Water absorbing
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Definitions

  • the invention relates to a bearing component according to claim 1, in particular a bearing ring or a bearing seal member for a bearing, especially for a rolling bearing, and a bearing assembly according to claim 7.
  • the water content of the lubricating oil or fat can be calculated from the moisture content of the the camp or from dew and thus occur or increase during operation of the camp. In the case of heavily loaded bearings, especially rolling bearings, even small amounts of water (0.1 wt .-%) can lead to damage to the bearing and cause the failure of the camp.
  • EP 0 661 471 B1 describes a filter sealing element for a roller bearing, wherein the filter sealing element comprises a microporous water-repellent membrane, which does not allow larger water droplets to penetrate into the rolling bearing interior, but is permeable to oil.
  • the membrane In order not to allow even smaller drops of water and water molecules to penetrate into the rolling bearing interior, the membrane has a deeper layer of a water-absorbing material. For fluid-lubricated bearings, the membrane proves to be too strong a flow resistance to allow a controlled flow of lubricant through the bearing. If the filter sealing element has to be exchanged because the filter has to be exchanged, the membrane is at the same time exchanged from the water-absorbing material, although its capacity for absorbing water need not yet be exhausted.
  • DE 196 05 433 A1 describes a filter for hydraulic fluids in the secondary flow, which comprises a sleeve with a winding of a particle Filter material which is wrapped with a layer which consists of a embedded in a nonwoven or a fabric polymeric superabsorber.
  • a particle filter is not readily usable for bearings which are traversed by a lubricant.
  • the function of the solid particle removal particulate filter is associated with the function of uptake of water molecules in the polymeric superabsorbent in a single element.
  • DE 10 2004 015 506 A1 describes a device for removing water from hydraulic fluid, in particular oil, wherein a solid filter made of an open-pore, porous binder is provided, into which water-absorbing material, in particular dehydrated zeolite, is accommodated.
  • the water-absorbent material especially the water-absorbent zeolite, is incorporated as a powder between two screens. Both arrangements take up a lot of space and are not very suitable for storage.
  • DE 41 21 733 A1 describes a bearing for a shaft of a cooling water pump, wherein the shaft is mounted in a bearing not described in detail, which is preceded by a ring member of a needle felt of polyester fibers, wherein stored in the ring member coolant continuously evaporated.
  • the ring member structurally separate from the bearing is impregnated with a water absorbing material such as a superabsorbent.
  • JP 2004019803 AA (abstract) describes an additive based on mineral oil in order to secure a bearing against rust.
  • JP 2006112581 AA (Abstract) describes a gasket for a bearing with a sealing element that absorbs water and then swells.
  • JP 2000027875 AA (Abstract) describes a seal for a bearing with a sealing element, on whose metallic reinforcement a composite is made of a highly water-absorbent polymer, a cotton-like pulp and a fabric to keep the seal penetrating lubricant anhydrous.
  • EP 0 248 572 B1 describes a gasket for a bearing which has a water-resistant, corrosion-preventing grease between the two parts of the gasket.
  • a superabsorbent is a plastic that is in the warehouse to absorb many times its own weight in water and store it permanently, without releasing the water again.
  • Superabsorbents are permeable to non-polar media such as lubricating oil or greases as well as to large molecules of polar media such as long-chain alcohols.
  • Superabsorbents may be formed as a copolymer of acrylic acid and sodium acrylate, wherein the ratio of the monomers may vary.
  • a network is formed which expands and tightens when water molecules are taken up, thus preventing the release of the water molecules taken up in the network.
  • the superabsorbent itself does not swell when taking up the water molecules, so that absorber comprehensive water-absorbing element substantially retains its defined shape and, for example - once fitted in a suitable receptacle on the body of the bearing component - remains in this receptacle and the flow around the surface of the body of the bearing Gerger knewteils influenced only slightly with the lubricating medium.
  • Superabsorbents may also be other materials such as acrylic acid and sodium acrylate, for example, readily biodegradable materials such as starch.
  • Superabsorbents are produced and traded as granules or powder.
  • the formation of a water-absorbing element which comprises the superabsorber offers the advantage of arranging the superabsorber in a design which is structurally adapted to the bearing or the bearing component.
  • Superabsorbents in the form of granules or powders have a high internal surface and thus a high degree of wetting, so that water molecules can be absorbed particularly effectively.
  • the granules or the powder offers only low flow resistance in the event that the oil or the fat passes through the superabsorber in the water-absorbing element.
  • the water-absorbent member having the granular or powder superabsorbent has a solid but moldable shape, so that the water-absorbent member can be designed as needed.
  • the superabsorber of the water-absorbing element is a volume element which has an increased absorption capacity for water molecules compared to hydrophilic or hygroscopic layers.
  • the water-absorbing element with the superabsorber can be permanently connected to the bearing component or the bearing assembly or only when needed, for example in case of repair, if humidity on the Bearing with the bearing component or the bearing assembly penetrates to be added.
  • the water-absorbing element may be structurally and functionally different from other elements of the bearing, such as filters for the lubricating medium or
  • the water-absorbing element with the superabsorber can be arranged, for example, on a gap seal. If, over time, the sealing effect of the gap seal diminishes, as the sealing gap enlarges, so that water molecules penetrate into the bearing, and the water-absorbing element swells up slightly with the superabsorber due to the increased uptake of the water molecules, the sealing gap may be somewhat be reduced, whereby the life of the seal is increased overall.
  • the water-absorbing element is arranged in a receptacle, for example in a groove open on one side, of the body of the bearing component.
  • a receptacle can be easily produced on the body of the bearing component.
  • a circular-shaped water-absorbing element is easy to form, has a symmetrical shape to the liquid flowing through the bearing, and can be quickly fixed in the receptacle, in particular in the one-sided groove, and removed again, if necessary, without the throughput of the Inside the bearing with the lubricant.
  • the water-absorbing element comprises a tissue in which the superabsorber is accommodated.
  • the fabric or fleece is easily moldable, of low weight and absorbs large amounts of present as granules or powder superabsorbent.
  • the fabric is temperature and media resistant.
  • the water-absorbing element comprises a water-semipermeable membrane, and that the semipermeable membrane encloses the superabsorber.
  • the semipermeability of the membrane causes water molecules that are not retained in the superabsorbent to be able to return through the membrane directly into the interior of the bearing.
  • Fig. 1 shows a schematic cross-sectional view of a first embodiment of a bearing component according to the invention in a first embodiment of an inventive
  • FIG. 2 shows a schematic cross-sectional view of a second embodiment of a bearing component according to the invention in a second embodiment of a bearing arrangement according to the invention
  • Fig. 3 shows a schematic cross-sectional view of a third embodiment of a bearing component according to the invention in a third embodiment of a bearing assembly according to the invention
  • FIG. 4 shows a schematic cross-sectional view of a fourth exemplary embodiment of a bearing component according to the invention in a fourth exemplary embodiment of a bearing arrangement according to the invention.
  • Fig. 1 shows a formed as a first part 1 of a two-part bearing seal 2 bearing component, wherein the first part 1 is formed as a substantially cross-sectionally L-shaped sealing ring.
  • a water-absorbing element 4 is fixedly arranged, which comprises a superabsorber, which is accommodated in a membrane 5 which is semipermeable for water molecules.
  • the superabsorber is in turn arranged as a powder in a tissue, wherein the tissue is enclosed by the semipermeable membrane 5.
  • the first part 1 is attached to a bearing ring 7 of a roller bearing 8 with a substantially axially extending portion 6.
  • the semipermeable membrane 5 has a first, approximately radially extending partial surface 9 and a second partial surface 10 forming an angle of approximately 45 ° with the first partial surface 9.
  • the surface of the semipermeable membrane 5 is increased, so that a larger area for the passage of the water molecules from the gap 11 in the
  • Bearing seal 2 is made possible to the superabsorbent in the water-absorbing element 4.
  • the semipermeable membrane 5 is made of a calendered plastic.
  • lubricant such as lubricating oil
  • the water-absorbing element 4 passes along the two faces 9, 10 of the semipermeable membrane 5, so that water molecules pass into the water-absorbing element 4 and received in the water-absorbing element 4 in the superabsorber and be bound.
  • the water-absorbing element 4 is designed as a substantially dimensionally stable element whose shape is adapted to the surface 3 of the first sub-element 1 of the bearing seal 2.
  • Fig. 2 shows a first, as an inner ring 12 and a second, designed as an outer ring 13 of a rolling bearing 8 bearing component.
  • the rolling bearing 8 further comprises a plurality of rolling elements 14. Both on the inner ring 12 and on the outer ring 13 are on the rolling elements 14 facing lateral surface 15, 16 recesses 17, 18 are formed, which are designed as circumferential grooves.
  • a water-absorbing element 4 is arranged, which is in each case designed as a circular ring and is received approximately in a form-fitting manner in the recesses 17, 18.
  • the water-absorbing element 4 comprises a superabsorber, which is received as a powder in a fabric, wherein a water-semipermeable membrane 5, the water-absorbing element 4 to the interior 19 of the rolling bearing 8 closes out.
  • the rolling bearing 8 has no bearing seal and no filtering.
  • the rolling bearing 8 is flowed through by a lubricant, for example a lubricating oil whose flow is not significantly influenced by the interior 19 through the water-absorbing elements 4.
  • FIG. 3 shows a roller bearing 8 with an inner ring 12 and an outer ring 13 as well as rolling elements 14.
  • a water-absorbing element 4 is connected indirectly, via a fastening element 27, to the outer ring 13 formed as a bearing component.
  • the fastening element 27 has a body with a receptacle 20, within which the water-absorbing element 4 is arranged.
  • the receptacle 20 is arranged in the region of a fastening section 22 of the fastening element 27 by means of a screw connection 21 on the end face of the outer ring 13 designed as a bearing component.
  • the superabsorber is provided as a powder, which is separated from a semipermeable membrane 5 for water molecules against the interior 19 of the rolling bearing 8.
  • the rolling bearing 8 has on the side facing away from the water-absorbing element 4 side of a seal 23, in particular a filter seal, which keeps away in the interior 19 of the rolling bearing 8 penetrating solids such as particles.
  • the fastening element 27 forms with an end portion 24 a gap 26 to a shaft 25, wherein the shaft 25 is rotatably connected to the inner ring 12 of the rolling bearing 8.
  • a flow cross section in the region of the filter seal 23 is significantly larger than in the region of the gap 26, so that the fastening element 27 strongly slows down the flow of the lubricating medium in the interior 19 of the rolling bearing 8, so that only a slow flow of the lubricating medium flows past the semipermeable membrane 5 ,
  • Fig. 4 shows a bearing assembly comprising two identically designed bearings 8, each having a seal 23.
  • On the mutually facing common side of a water-absorbing element 4 is arranged with a superabsorber;
  • a recess 17, 18 is provided in each of the two inner rings 12 of the two rolling bearings 8, so that two grooves are formed, which form a shoulder on which the water-absorbing element 4 is arranged.
  • Each of the two inner rings 12 of the two rolling bearings 8 is formed as a bearing component, which comprises the water-absorbing element 4 with the superabsorber.
  • the water-absorbing element 4 is formed as a substantially dimensionally stable element and has a tissue in which the superabsorbent taken as a powder. Through the tissue of the water-absorbing element 4, the flow of lubricant from one bearing into the other rolling bearing 8 occurs substantially unhindered, so that the water-absorbing element 4 represents only a small flow resistance for the lubricant.
  • the bearing component was formed as the first part 1 of a sealing element 2 or as a bearing ring 12, 13, 7 of a rolling bearing 8. It is understood that other bearing components, such as rolling elements or cages for rolling bearings, may be provided as bearing components, which have a water-absorbing element 4, which comprises a superabsorber.
  • the bearing component 1, 7, 12, 13 were each the bearing component of a rolling bearing 8. It is understood that bearing components of other types of bearings, such as plain bearings or spherical bearings, a water-absorbing element 4 may have, in or can be arranged directly on the body of the bearing component or indirectly arranged on the body by means of a fastener.
  • the water-absorbing element 4 itself is to be regarded as a bearing component, even if the water-absorbing element 4 is not connected directly or indirectly to one of the components of the bearing, but is received in the lubricant circuit of the bearing.
  • the water-absorbing element 4 has essentially the sole function of removing water molecules from the lubricant in the lubricant circuit. This function satisfies the water-absorbing element 4 regardless of whether a filter is provided in the lubricant circuit which removes solid particles from the lubricant.
  • FIG. 1 In the third embodiment (FIG.
  • the water-absorbing element 4 was arranged in a receptacle 20, the receptacle 20 opening to the interior 19 of the roller bearing 8. It is understood that the receptacle 20 may open towards the gap 26 so that the water-absorbing element 4 may come into contact with the semipermeable membrane 5 at the end portion 24 with the lubricant. When water absorption, the water-absorbing element 4 swells and narrows the gap 26, so that the narrowed gap 26 has an improved sealing effect and counteracts further penetration of water.
  • water was contained in the lubricant. It is understood that the water-absorbing element can also remove water vapor from the lubricant.

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

Abstract

L'invention concerne un composant de palier (1, 7), en particulier une bague de roulement (7) ou un élément d'étanchéité de palier (1). L'invention a pour but d'obtenir un composant de palier ou un dispositif de palier, dans lequel un endommagement du palier dû à la présence d'eau dans le lubrifiant pendant son fonctionnement puisse être supprimé. A cet effet, l'invention est caractérisée en ce qu'il est prévu un élément absorbant l'eau (4), ledit élément comprenant un superabsorbant.
PCT/DE2009/001673 2008-12-03 2009-11-25 Composant de palier et dispositif de palier à superabsorbant WO2010063259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810060376 DE102008060376A1 (de) 2008-12-03 2008-12-03 Lagerbestandteil sowie Lageranordnung
DE102008060376.7 2008-12-03

Publications (1)

Publication Number Publication Date
WO2010063259A1 true WO2010063259A1 (fr) 2010-06-10

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ID=41809066

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PCT/DE2009/001673 WO2010063259A1 (fr) 2008-12-03 2009-11-25 Composant de palier et dispositif de palier à superabsorbant

Country Status (2)

Country Link
DE (1) DE102008060376A1 (fr)
WO (1) WO2010063259A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11039619B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010005473A1 (de) * 2010-01-23 2011-07-28 Schaeffler Technologies GmbH & Co. KG, 91074 Wälzlager
DE102014208807A1 (de) 2014-05-09 2015-11-12 Schaeffler Technologies AG & Co. KG Lageranordnung und Verfahren zur Beaufschlagung eines Lagers mit einem Medium
IT201900015270A1 (it) * 2019-08-30 2021-03-02 Alberto Gambarini Anello rotante per proteggere dagli agenti esterni un cuscinetto di un mozzo e sistema equipaggiato con tale anello rotante per collegare rotazionalmente il mozzo a un perno del veicolo

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645698A (en) * 1984-05-09 1987-02-24 Showa Denko Kabushiki Kaisha Dehydrating and water-retaining sheet
EP0248572B1 (fr) 1986-05-24 1990-11-22 Koyo Seiko Co., Ltd. Palier
DE4121733A1 (de) 1990-07-07 1992-01-16 Freudenberg Carl Fa Kuehlwasserpumpe
DE19605433A1 (de) 1996-02-14 1997-08-21 Fh Neffgen Gmbh Tech Zubehoer Filter für die Wasserabsorption in Hydraulik-Flüssigkeiten und Motoren-Ölen
EP0661471B1 (fr) 1993-12-28 1998-04-29 Tadahiro Ohmi Pièces glissantes et leur procédé de fabrication
JP2000027875A (ja) 1998-07-14 2000-01-25 Nippon Seiko Kk シール構造
JP2004019803A (ja) 2002-06-17 2004-01-22 Nsk Ltd 軸受への防錆剤の塗布方法
DE102004015506A1 (de) 2004-03-28 2005-10-20 Volkert Meinz Vorrichtung zum Entwässern von vorzugsweise Hydraulikflüssigkeit
JP2006112581A (ja) 2004-10-18 2006-04-27 Jtekt Corp 車輪用転がり軸受装置
JP2008232163A (ja) * 2007-03-16 2008-10-02 Jtekt Corp 転がり軸受用密封装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645698A (en) * 1984-05-09 1987-02-24 Showa Denko Kabushiki Kaisha Dehydrating and water-retaining sheet
EP0248572B1 (fr) 1986-05-24 1990-11-22 Koyo Seiko Co., Ltd. Palier
DE4121733A1 (de) 1990-07-07 1992-01-16 Freudenberg Carl Fa Kuehlwasserpumpe
EP0661471B1 (fr) 1993-12-28 1998-04-29 Tadahiro Ohmi Pièces glissantes et leur procédé de fabrication
DE19605433A1 (de) 1996-02-14 1997-08-21 Fh Neffgen Gmbh Tech Zubehoer Filter für die Wasserabsorption in Hydraulik-Flüssigkeiten und Motoren-Ölen
JP2000027875A (ja) 1998-07-14 2000-01-25 Nippon Seiko Kk シール構造
JP2004019803A (ja) 2002-06-17 2004-01-22 Nsk Ltd 軸受への防錆剤の塗布方法
DE102004015506A1 (de) 2004-03-28 2005-10-20 Volkert Meinz Vorrichtung zum Entwässern von vorzugsweise Hydraulikflüssigkeit
JP2006112581A (ja) 2004-10-18 2006-04-27 Jtekt Corp 車輪用転がり軸受装置
JP2008232163A (ja) * 2007-03-16 2008-10-02 Jtekt Corp 転がり軸受用密封装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11039619B2 (en) 2014-02-19 2021-06-22 Corning Incorporated Antimicrobial glass compositions, glasses and polymeric articles incorporating the same

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