WO2006123794A1 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- WO2006123794A1 WO2006123794A1 PCT/JP2006/310071 JP2006310071W WO2006123794A1 WO 2006123794 A1 WO2006123794 A1 WO 2006123794A1 JP 2006310071 W JP2006310071 W JP 2006310071W WO 2006123794 A1 WO2006123794 A1 WO 2006123794A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slinger
- sealing device
- fixed
- side member
- fitting cylindrical
- Prior art date
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
- F16C33/78—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
- F16C33/7883—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 mounted to the inner race and of generally L-shape, the two sealing rings defining a sealing with box-shaped cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0068—Hubs characterised by functional integration of other elements the element being a sensor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0073—Hubs characterised by sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0094—Hubs one or more of the bearing races are formed by the hub
-
- 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
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/326—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals with means for detecting or measuring relative rotation of the two elements
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
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- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Definitions
- the present invention relates to a sealing device interposed in a portion where it is necessary to seal between a stationary member and a rotating member, such as a bearing unit in a wheel suspension part of an automobile, More specifically, the present invention relates to a sealing device constituted by a combination of a slinger and a metal core that firmly holds and holds a seal member that is in sliding contact with the slinger.
- Patent Document 1 includes first and second seal members (one of which is a slinger) having an L-shaped cross section having a cylindrical portion and a standing plate portion (a bowl-shaped portion), and a seal lip.
- the two seal members are opposed to each other, the tip of the upright plate portion of the first seal member and the cylindrical portion of the second seal member are opposed to each other with a slight radial gap (labyrinth), and the upright plate portion
- a sealing device is disclosed in which the outer side surface is retracted inward from the end surface of the cylindrical portion of the second seal plate.
- Patent Document 2 discloses a method of reducing interference due to wear-out by bringing the tips of second dust strips (seal lips) that are in sliding contact with the inner surface of a metal ring (slinger) close to each other.
- a sealing device is disclosed which compensates for a long period of time and prevents dust from entering the enclosed space formed between the two dust strips.
- FIG. 1 of this patent document discloses an outside of the slinger. An example is described in which a part of the second seal part comes into contact with the inner surface of the tip of the facing flange (saddle-shaped part).
- Patent Document 1 JP 2001-65704 A
- Patent Document 2 JP 2003-106464 A
- the sealing device disclosed in Patent Document 1 has the above-described labyrinth that is capable of improving the sealing performance without complicated structure due to the above-described configuration.
- Labyrinth force Dust and water enter and stay in the space surrounded by the first and second seal plates.
- the dust or the like intervenes in the sliding contact portion between the seal lip and the slinger, and the seal lip is likely to be worn out. It will cause a drop.
- the sealing device disclosed in Patent Document 2 prevents entry of dust or the like into the enclosed space between the second dust strips, and has an intrusion prevention function that lasts for a long time. Assuming a state in which there is no metal annular outer ring provided on the outside of the sealing device, dust (dust dust) is generated at the entrance of the space surrounded by the first seal portion and the second seal portion. Therefore, once dust enters the space, the dust intervenes in the inertial sliding contact area between the dust lip and the outward flange of the slinger. Is expected to occur.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a novel sealing device in which excellent sealing performance and durability are maintained with a simple configuration! Speak.
- a sealing device includes a slinger fitted and fixed to the rotating side member, a core metal fitted and fixed to the fixed side member, and a plurality of seal lip portions that are in elastic sliding contact with the slinger. And a sealing device configured to seal between the fixed side member and the rotary side member by combining the elastic seal member and the elastic seal member fixed to the cored bar.
- a fitting cylindrical portion that is fitted to the rotation side member, and a hook-like portion that is formed to extend in the radial direction at one end located outside the sealed portion of the fitting cylindrical portion.
- the cored bar is provided with a fitting cylindrical part fitted to at least the fixed-side member, and one end located outside the sealed portion of the fitting cylindrical part is a hook-like part in the slinger
- the seal lip portion is located closer to the sealed portion side than the sealed portion side inner surface position, and is formed so as to protrude from the vicinity of one end portion of the fitting cylindrical portion of the core metal and elastically contact the extended end surface of the slinger.
- the extending end surface of the hook-shaped portion can be a tapered surface.
- the elastic seal member is extended so as to surround one end portion of the fitting cylindrical portion of the mandrel and reach the fitting surface with the fixed side member, and this extending portion
- An annular raised band that is elastically fitted between the fixed side member and the fixed side member may be formed on the peripheral surface.
- a large number of N poles and S poles are alternately magnetized along the circumferential direction on the outer surface of the bowl-shaped portion in the slinger, and are magnetically fixed on the fixed side.
- the tone wheel that constitutes the magnetic encoder with the sensor may be attached and integrated.
- the portion of the slinger and the core metal that is located outside the sealed portion is usually an external environment at the applied portion.
- a part of the seal lip is formed so as to be elastically slidably in contact with the extended end surface of the slinger, so that the slinger and the seal member are exposed to the external environment.
- the space surrounded by the cored bar there is no space for earth, sand, water or dust to enter, and the seal member located in the space is worn by the intervention of the sliding contact part such as dust. There is no such thing as being promoted.
- the lip portion is slidably contacted with the extended end surface of the slinger in an elastic state, entry of dust or the like having a strong contact force is effectively prevented.
- the one end of the fitting cylindrical portion of the metal core is located closer to the sealed portion side than the sealed portion side inner surface position of the flanged portion of the slinger, the flanged portion of the slinger is arranged in the radial direction.
- the extending end surface of the slinger is a tapered surface as in the invention of claim 2, the contact area of the seal lip portion is increased, and the function of preventing entry of dust and the like is more effective. It is also advantageous in terms of dimensional design.
- the fixed side When an annular raised band that is elastically fitted between the fixed side member is formed on the peripheral surface of the extending portion of the elastic seal member that extends to the fitting surface with the member, this raised band is a so-called nose portion. Even if there is a chamfering error at the fitting portion entrance edge of the fixed side member, the fixed side member is absorbed and is tightly fitted to the fixed side member.
- the raised band enters deeply into the fitting portion of the fixed side member, and the tightly fitting state is It is made stronger.
- tone wheel constituting the magnetic encoder is integrally attached to the outer surface of the bowl-shaped portion of the slinger by a magnetic sensor fixed to the fixed side, A magnetic encoder can be easily configured by the magnetic sensor to detect the rotation of the rotation side member, and this function is combined with the above durability to obtain a sealing device with high practical value.
- FIG. 1 is a cross-sectional view showing an example of a bearing unit in which a sealing device according to one embodiment of the present invention is incorporated.
- FIG. 2 is an enlarged view of a portion X in FIG.
- FIG. 3 is a view similar to FIG. 2 of another embodiment.
- FIG. 1 is a longitudinal sectional view showing an example of a bearing unit in which a sealing device according to one embodiment of the present invention is incorporated
- FIG. 2 is an enlarged view of a portion X in FIG. 1
- FIG. 3 is a view similar to FIG. It is.
- FIG. 1 shows an example of a structure in which a vehicle wheel is supported on a shaft 1 by a rolling bearing unit 2, and a hub ring 3 a constituting an inner ring (rotation side member) 3 is attached to a bolt 3 b.
- the tire wheel (not shown) is fixed.
- Reference numeral 3c denotes a spline hole formed in the hub wheel 3a.
- the drive shaft 1 is spline-fitted into the spline hole 3c and is integrally fixed to the hub wheel 3a, so that the rotational driving force of the drive shaft 1 is increased.
- Drive is transmitted to the tire wheel via the hub wheel 3a.
- 3d is an inner ring member, and the inner ring 3 is configured together with the hub ring 3a.
- Reference numeral 4 denotes an outer ring (fixed side member) which is fixedly attached to a vehicle suspension system (not shown).
- Two rows of rolling elements (balls) 5 are interposed between the outer ring 4 and the inner ring 3 (the hub 3a and the inner ring member 3d) while being held by the retainer 5a.
- a and A ′ are seal rings for preventing leakage of lubricant (grease, etc.) charged in the rolling part of the rolling element 5... Or preventing intrusion of muddy water and dust from the outside.
- it corresponds to the sealing device of the present invention and is press-fitted between the outer ring 4 and the inner ring 3.
- the part surrounded by the seal rings A and A ′ on both sides and the inner ring 3 and the outer ring 4 is the sealed part S.
- FIG. 2 shows an enlarged view of a portion X in FIG. 1.
- the seal ring A on the vehicle body side includes a ring-shaped core bar 6 press-fitted to the inner periphery of the outer ring 4, and the core bar 6
- the elastic seal member 7 is made of an elastic material such as rubber, and the slinger 8 that is externally fitted and fixed to the outer periphery of the inner ring member 3d is combined to form a pack seal type seal ring as shown in the figure. Yes.
- the slinger 8 includes a fitting cylindrical portion 8a that is fitted and fixed to the outer periphery of the inner ring member 3d, and a sealed portion of the fitting cylindrical portion 8a.
- the elastic seal member 7 includes a seal lip portion that elastically slidably contacts the inner surface of the outwardly flanged portion 8b in the sealed portion S side, the outer peripheral surface of the fitting cylindrical portion 8a, and the extended end surface 8c of the outwardly flanged portion 8b. 7a, 7b, 7c.
- Reference numeral 7d denotes a garter spring that is elastically wound around the periphery of the seal lip portion 7b in order to reinforce the contact between the seal lip portion 7b and the outer peripheral surface of the fitting cylindrical portion 8a.
- the core 6 extends in the radial direction (centripetal direction) to the fitting cylindrical portion 6a that is fitted and fixed to the inner periphery of the outer ring 4, and the sealed portion S side base of the fitting cylindrical portion 6a. It consists of the formed inwardly facing flange 6b.
- the vehicle body side surface (outer surface) of the outward flange 8b of the slinger 8 is made of a magnetic rubber sheet made by kneading magnetic powder such as ferrite into a rubber material, and a large number of N poles and S poles are arranged alternately in the circumferential direction.
- the tone wheel 9 formed in such a manner is integrally bonded.
- a magnetic sensor 10 is fixed on the vehicle body side (fixed side) so that the detection surface faces the tone wheel 9, and the rotational speed (rotation speed) of the wheel is detected by the magnetic sensor 10 and the tone wheel 9.
- the magnetic encoder E is configured.
- the core metal 6 or slinger 8 is formed by sheeting a cold-rolled steel sheet such as SPCC into a shape as shown in the figure. Also, the magnetic rubber sheet constituting the seal member 7 or the tone wheel 9 is bonded to the core metal 6 or slinger 8 with any rubber material selected from NBR, H-NBR, ACM, AEM, FKM, etc. In particular, as the latter rubber material, as described above, a material in which magnetic powders such as ferrite and rare earth materials are further kneaded in advance is used. It is done.
- the anti-sealed part S-side end surface 6c of the fitting cylindrical part 6a in the core 6 is located on the inner side (sealed part S side) of the sealed part S-side inner surface position F of the outward flange part 8b in the slinger 8 It is formed to do.
- the elastic seal member 7 is formed so as to surround the end surface 6c from the inner surface of the fitting cylindrical portion 6a of the metal core 6 (the surface facing the slinger 8), and extends to the outer peripheral portion of the fitting cylindrical portion 6a. Yes.
- the elastic seal member 7 in the outer peripheral portion is formed with an annular raised band 7e as a so-called nose portion.
- the broken line portion in the figure shows a state before elastic deformation.
- the seal lip portion 7c in sliding contact with the extended end surface 8c of the outward flange portion 8b of the slinger 8 is the inner surface of the fitting cylindrical portion 6a of the core metal 6. From the elastic seal member 7 located in the portion, it is formed in a tongue-like shape so as to face the slinger 8 side and the outside of the sealed portion S. When the seal ring A is assembled, the seal lip portion 7c is configured to come into contact with the extended end surface 8c of the outward flange portion 8b with elastic deformation.
- the slinger 8 rotates about the axis of the drive shaft 1 as the shafts of the drive shaft 1 and the inner ring 3 rotate.
- the seal lip portions 7a, 7b, 7c are slidably contacted with the inner surface and the extended end surface 8c.
- the tone wheel 9 also rotates around the axis of the drive shaft 1, and the magnetic sensor 10 detects the alternating magnetic change of the N pole and S pole accompanying the rotation of the tone wheel 9, and the pulse due to this magnetic change is detected.
- the rotational speed of the drive shaft 1, that is, the tire wheel (not shown) is calculated.
- the seal lip 7c is located at the boundary between the slinger 8 and the core 6 exposed to the external environment. Since the gap is closed, the space is completely closed, and dust or the like from the outside does not enter the space portion SO. As described above, the sealing lip portion 7c is formed in a tongue-like shape so as to be on the slinger 8 side and toward the outside of the sealed portion S as described above. Strong dust intrusion prevention function is maintained for a long time.
- the sealing performance of the elastic seal member 7 is such that dust or the like does not intervene in the elastic sliding contact portion with the inner surface of the slinger 8 of the seal lips 7a and 7b. It is maintained for a long time and its durability is improved.
- the end surface 6c of the fitting cylindrical portion 6a of the metal core 6 is formed so as to be located inside the inner surface position F of the outward flange portion 8b of the slinger 8.
- the extension width in the centrifugal direction of 8b can be increased, and when the magnetic encoder E is configured by attaching the tone oil 9 to the outer surface of the outward flange 8b as shown in the figure, the tone oil 9 It becomes easy to ensure a substantially effective detection area.
- the slinger of the end surface 6c of the fitting cylindrical portion 6a The raised band (nose part) 7e is positioned closer to the sealed position S due to the positional relationship with the outward flange 8b in FIG. 8, and this raised band when press-fitted to the inner peripheral part of the outer ring 4 7e penetrates deeply in the fitting direction, and a strong close fitting state is obtained without being affected by chamfering errors at the inner peripheral entrance.
- a seal ring (sealing device) B shown in FIG. 3 is characterized in that the extending end face 8c of the outward flange 8b of the slinger 8 is a tapered face. This tapered surface is formed so that the outside force gradually expands toward the sealed portion S.
- a seal lip portion 7c formed on the elastic seal member 7 is similarly brought into contact with the extended end surface 8c having a tapered surface. In this case, by making the extended end surface 8c a tapered surface, the elastic contact area can be substantially increased, so that the dimensional error can be absorbed and the elastic contact state can be maintained well.
- the sealing device of the present invention is applied to the vehicle body side seal ring A in FIG. 1 .
- it can also be applied to the wheel side seal ring A.
- the inner ring 3 is a rotating side member
- the outer ring 4 is a fixed side member.
- the outer ring 8b of the slinger 8 and the inner ring 6 of the cored bar 6 may be used.
- the direction of the part 6b is reversed, and accordingly, the shape of the other part is different, for example, the tapered surface gradually decreases in diameter toward the sealed part S.
- the force described in the example applied to the bearing unit that supports the wheel shaft of the automobile may be applied to a mechanism that requires other sealing.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE112006001262T DE112006001262T5 (de) | 2005-05-19 | 2006-05-19 | Dichtungsvorrichtung |
US11/920,513 US8011670B2 (en) | 2005-05-19 | 2006-05-19 | Sealing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-146220 | 2005-05-19 | ||
JP2005146220A JP4925398B2 (ja) | 2005-05-19 | 2005-05-19 | 密封装置 |
Publications (1)
Publication Number | Publication Date |
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WO2006123794A1 true WO2006123794A1 (ja) | 2006-11-23 |
Family
ID=37431363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/310071 WO2006123794A1 (ja) | 2005-05-19 | 2006-05-19 | 密封装置 |
Country Status (4)
Country | Link |
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US (1) | US8011670B2 (ja) |
JP (1) | JP4925398B2 (ja) |
DE (1) | DE112006001262T5 (ja) |
WO (1) | WO2006123794A1 (ja) |
Cited By (1)
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JP2010071342A (ja) * | 2008-09-17 | 2010-04-02 | Nsk Ltd | 車輪用転がり軸受 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007042368A1 (de) * | 2007-09-06 | 2009-03-19 | Schaeffler Kg | Dichtungsanordnung für ein Lager |
JP5218735B2 (ja) * | 2007-12-12 | 2013-06-26 | Nok株式会社 | 密封装置 |
JP2011080499A (ja) * | 2009-10-05 | 2011-04-21 | Ntn Corp | 車輪用軸受装置 |
US8182377B2 (en) * | 2010-01-05 | 2012-05-22 | Easton Sports, Inc. | Ball bat including multiple failure planes |
JP5459012B2 (ja) * | 2010-03-29 | 2014-04-02 | 日本精工株式会社 | 密封装置、密封装置を備える転がり軸受及びハブユニット軸受 |
EP2800915B1 (en) * | 2012-01-02 | 2020-07-15 | Aktiebolaget SKF | A large sealed self aligning roller bearing |
JP5918556B2 (ja) * | 2012-02-07 | 2016-05-18 | Ntn株式会社 | 車輪用軸受装置 |
CN103542097B (zh) * | 2012-07-10 | 2017-02-22 | 浙江万向精工有限公司 | 具有离心补偿自密封和磁性密封传感功能的集成式密封圈 |
US20140084548A1 (en) * | 2012-09-21 | 2014-03-27 | Ameritek International Inc. | Seal |
JP2014224550A (ja) * | 2013-05-15 | 2014-12-04 | 株式会社ジェイテクト | 密封装置、転がり軸受及び車輪用転がり軸受 |
US9897209B2 (en) * | 2015-03-26 | 2018-02-20 | Aktiebolaget Skf | Seal assembly and/or component thereof and method of manufacturing and/or using same |
US10159878B2 (en) | 2015-08-27 | 2018-12-25 | Easton Diamond Sports, Llc | Composite ball bat including a barrel with structural regions separated by a porous non-adhesion layer |
US11167190B2 (en) | 2017-07-19 | 2021-11-09 | Easton Diamond Sports, Llc | Ball bats with reduced durability regions for deterring alteration |
US11013967B2 (en) | 2017-07-19 | 2021-05-25 | Easton Diamond Sports, Llc | Ball bats with reduced durability regions for deterring alteration |
US10940377B2 (en) | 2018-06-19 | 2021-03-09 | Easton Diamond Sports, Llc | Composite ball bats with transverse fibers |
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JPH06281018A (ja) * | 1993-01-19 | 1994-10-07 | Snr Roulements | コーダ内蔵密閉構造 |
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US3022081A (en) * | 1957-08-01 | 1962-02-20 | Victor Mfg & Gasket Co | Self-contained fluid seal |
FR2505951A1 (fr) * | 1981-05-13 | 1982-11-19 | Roulements Soc Nouvelle | Joint d'etancheite tournant entre pieces coaxiales a armature metallique de montage |
ITTO980210A1 (it) * | 1998-03-12 | 1999-09-12 | Skf Ind Spa | Dispositivo di tenuta per un cuscinetto di rotolamento |
JP2000289405A (ja) * | 1999-04-02 | 2000-10-17 | Nsk Ltd | エンコーダ付組み合わせシールリング |
JP2001065704A (ja) | 1999-08-31 | 2001-03-16 | Ntn Corp | 密封装置 |
DE10056175A1 (de) * | 1999-11-17 | 2001-06-13 | Ntn Toyo Bearing Co Ltd | Wheel Bearing and Sealing Davice Therefor |
JP4649811B2 (ja) | 2001-09-28 | 2011-03-16 | Nok株式会社 | 密封装置 |
JP2007107674A (ja) * | 2005-10-17 | 2007-04-26 | Uchiyama Mfg Corp | 密封装置 |
-
2005
- 2005-05-19 JP JP2005146220A patent/JP4925398B2/ja not_active Expired - Fee Related
-
2006
- 2006-05-19 DE DE112006001262T patent/DE112006001262T5/de not_active Withdrawn
- 2006-05-19 US US11/920,513 patent/US8011670B2/en not_active Expired - Fee Related
- 2006-05-19 WO PCT/JP2006/310071 patent/WO2006123794A1/ja active Application Filing
Patent Citations (1)
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JPH06281018A (ja) * | 1993-01-19 | 1994-10-07 | Snr Roulements | コーダ内蔵密閉構造 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010071342A (ja) * | 2008-09-17 | 2010-04-02 | Nsk Ltd | 車輪用転がり軸受 |
Also Published As
Publication number | Publication date |
---|---|
JP2006322537A (ja) | 2006-11-30 |
JP4925398B2 (ja) | 2012-04-25 |
US8011670B2 (en) | 2011-09-06 |
US20090085299A1 (en) | 2009-04-02 |
DE112006001262T5 (de) | 2008-04-17 |
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