CN106555820A - For the sealing device of the wheel bearing arrangement of motor vehicles - Google Patents
For the sealing device of the wheel bearing arrangement of motor vehicles Download PDFInfo
- Publication number
- CN106555820A CN106555820A CN201610849314.8A CN201610849314A CN106555820A CN 106555820 A CN106555820 A CN 106555820A CN 201610849314 A CN201610849314 A CN 201610849314A CN 106555820 A CN106555820 A CN 106555820A
- Authority
- CN
- China
- Prior art keywords
- sealing device
- sealing
- seal part
- centrifugal
- centrifugal seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/346—Pressing means the pressing force varying during operation
-
- 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
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
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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
- B60B27/0073—Hubs characterised by sealing means
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/20—Avoidance of
- B60B2900/211—Soiling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/50—Improvement of
- B60B2900/511—Sealing
- B60B2900/5112—Sealing against dust or dirt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/50—Improvement of
- B60B2900/511—Sealing
- B60B2900/5114—Sealing against humidity or water
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The present invention relates to a kind of sealing device (100) of wheel bearing arrangement for motor vehicles, the sealing device has primary seal (110) and preposition sealing member (120), the primary seal is sealed for the rolling bearing body (14) to being arranged between fixed support (16) and rotating supports (18), and the preposition sealing member is spaced apart relative to primary seal (110) and arranges and be arranged between fixed support (16) and rotating supports (18).It is a feature of the present invention that, preposition sealing member is designed as the form of centrifugal seal part (120), the centrifugal seal part is arranged on rotating supports (18), and the sealing lip (120 1) of the centrifugal seal part is abutted on the stop part (16 1) being formed in fixed support (16).
Description
Technical field
The present invention relates to a kind of wheel support for motor vehicles of type described in preamble according to claim 1 is filled
The sealing device put.
Background technology
The wheel bearing arrangement of motor vehicles generally has one or more primary seals, and these primary seals are mainly arranged in
Between the outer shroud and internal ring of rolling bearing body, and it is sealed in the gap between outer shroud and internal ring.It is such, directly seal car
The primary seal of wheel bearing device is sufficiently known from the prior art.Only from such as 10 2,013 015 911 A1 of document DE just
For reference.
From 196 00 125 A1 of document DE, it is known that in order to sealed rolling supporting mass can between inner ring and outer rings cloth
Put the primary seal with the sealing lip unloaded by centrifugal force.But the structure space generally provided on this position is non-
Often narrow, this correspondingly limits the arrange parameter of centrifugal seal part.
In order to strengthen the sealing function of the sealing device of wheel bearing arrangement, it was known that before primary seal for this
So-called preposition sealing member is set.Just can prevent dampness and the most of of dirt from penetrating into supporting by the preposition sealing member
It is in device, substantially less so as to penetrate into primary seal dampness and dirt.
Preposition sealing member generally except utilize rotation peripheral parts and wheel support part centrifugal action, also based on elongated
And/or tight narrow gap, the gap is limited by the corresponding manufacturing tolerance of component manufactured in technical elements.When vehicle with
Low speed traveling/be still in deep pond, is not risen based on the preposition sealing system of the centrifugal action of the part of rotation
Effect, this is because rotary speed and centrifugal action thus it is very faint or disappearance.Corresponding preposition sealing member is for example in text
Offer disclosed in 25 05 081 A1 of DE.
The content of the invention
The purpose of the present invention is so to improve according to the type described in the preamble of claim 1 for motor-driven
The sealing device of the wheel bearing arrangement of car, i.e., realize the sealing function for improving in the case of friction/abrasion as little as possible.
Above-mentioned purpose is realized by the preamble feature that the feature of claim 1 combines claim 1.
Dependent claims formed the present invention be advantageously improved scheme.
Sealing device for the wheel bearing arrangement of motor vehicles includes primary seal and preposition sealing in known manner
Part, is carried out for the rolling bearing body to being arranged between the fixed support of wheel bearing arrangement and rotating supports close
Envelope.This is between the inner ring and outer rings of rolling bearing body arranges primary seal, and is spaced apart setting relative to primary seal
Preposition sealing member be arranged in wheel having in the region of bigger operational structure space compared to primary seal
Between the fixed support and rotating supports (such as cardan axis cover) of bearing apparatus.
According to the present invention, preposition sealing member is designed as centrifugal seal part, and the centrifugal seal part is arranged in and rotationally supports
On part, and the sealing lip of the centrifugal seal part is abutted on the stop part being formed in fixed support.
Sealing device of the invention is proved to be especially advantageous, because even in low travel speed or static
In the case of, due to still abutting in the sealing lip on stop part, also ensure that the adequate precautions to dirt and moisture.Separately
Outer advantage is, is all minimum as the sealing lip risen in running operation makes the abrasion of sealing member and friction.By more
Big operational structure space accurately can be adjusted for reclining and rising the velocity interval of sealing lip.
It is preferably formed in the fixed support of wheel bearing arrangement in this stop part, so as to the current being centrifuged
Walk, and therefore the behind of sealing lip can not be reached.
Stop part in the fixed support of wheel bearing arrangement is preferably made up of corrosion-resistant material, such as by aluminium alloy
Or the cated steel of tool is made.Thus ensure that in an advantageous manner, minimize the abrasion of sealing lip.
Especially preferred form of implementation of the invention is so designed that centrifugal seal part so that by centrifugal seal part
The rising movement of sealing lip that causes of rotary motion be restricted.The favourable effect of this generation, makes remaining after sealing lip rises
Under space minimize, this forms conventional preposition sealing member (narrow gap) in contactless operation.
Radially outer, bowing that is limiting rising movement stop part is preferably provided with for this centrifugal seal part.
On the supporting member of the rotation that the centrifugal seal part is preferably directly arranged at wheel bearing arrangement, such as by sulfuration
It is formed on rotating supports.Thus the assembling simply and rapidly of wheel bearing arrangement is ensure that in an advantageous manner.
Another form of implementation is arranged, and the centrifugal seal part is arranged on the part of rotation by carrier element.For example lead to
Cross by centrifugal seal part vulcanization forming on carrier element, and carrier element is subsequently pressed in the rotation of wheel bearing arrangement
In bearing member.The advantage of this form of implementation is that the sealing member can be easily changed when centrifugal seal part is damaged.
Sealing lip is preferably so designed that and/or determines size, starts just to carry out by centrifugal from the speed more than 7km/h
The rising movement of the sealing lip that the rotary motion of sealing member is caused.Thereby ensure that the slow-speed of revolution, for example run in water when, it is close
Envelope effect keeps constant, and sealing lip rises in larger rotary speed, it is achieved thereby that the function of low friction.
For example can by material (elastic modelling quantity), physical dimension and structure (area inertia moment, otch or reinforcement structure),
The centroidal distance of radial direction and axial direction and the liter of sealing lip is targetedly affected by quality (centripetal acceleration)
Play speed.
Description of the drawings
Additional advantages of the present invention, feature and use are obtained from the explanation with reference to the embodiment being shown in the drawings
Probability.
It is shown in the drawings:
Fig. 1 illustrates the first form of implementation of sealing device of the invention;
Fig. 2 illustrates the second form of implementation of sealing device of the invention;
Fig. 3 a illustrate the preposition sealing of the 3rd form of implementation according to the present invention in the state of " sealing lip for reclining "
The enlarged drawing in the region of part, and
Fig. 3 b illustrate the form of implementation according to Fig. 3 a in the state of " sealing lip of rise ".
In order to avoid repeating, as long as need not or further need not be distinguished by, in the following description and in the accompanying drawings
Identical part and component profit are presented with like reference characters.
Specific embodiment
Fig. 1 illustrates the sealing device for representing using reference 100 on the whole of the wheel bearing arrangement of motor vehicles.
Wheel hub portion 12 is rotatably supported in wheel bearing arrangement housing by rolling bearing body 14 in known manner
On 16.Wheel hub portion 12 in terms of its own with 18 drive connection of universal drive shaft.
Sealing device 100 includes that being arranged between supporting arrangement outer shroud 14-1 and supporting arrangement internal ring 14-2, here sets
Be calculated as the primary seal 110 of the form of cartridge seal part, and relative to primary seal 110 be spaced apart it is arranging, be arranged in it is solid
Preposition sealing member 120 between the universal drive shaft 18 of fixed wheel bearing arrangement housing 16 and rotation.
Such as Fig. 1 it is further known that, wherein preposition sealing member is designed as the centrifugal seal of the vulcanization forming on universal drive shaft 18
The form of part 120, the sealing lip 120-1 of the centrifugal seal part are abutted in and are formed on fixed wheel bearing arrangement housing 16
Stop part 16-1 on.
120 here of centrifugal seal part is designed as, and starts just to carry out by centrifugal seal part from speed more than 7km/h
The rise started at the stop part 16-1 from wheel bearing arrangement housing 16 of the sealing lip 120-1 that 120 rotary motion is caused
Motion.
In addition stop part 16-1 heres are made up of aluminium alloy, so that the abrasion of sealing lip 120-1 is minimized.
The form of implementation of sealing device shown in figure 2 100 corresponds essentially to the form of implementation that figure 1 illustrates.
Only difference is that, the vulcanization forming on carrier element 120-2 of centrifugal seal part 120 in the form of implementation according to Fig. 2, should
Carrier element is subsequently crushed on universal drive shaft 18.Not shown primary seal in fig. 2.
The form of implementation illustrated in Fig. 3 a and Fig. 3 b is characterized in that, is so designed that centrifugal seal part 120 so that by being centrifuged
The rising movement of the sealing lip 120-1 that the rotary motion of formula sealing member 120 is caused is restricted.Thus centrifugal seal part 120
Stop part 120-3 with radially outer, bowing that is limiting rising movement.Thus, as shown in Figure 3 b, in an advantageous manner
Ensure that, after sealing lip 120-1 rises and after the sealing lip is abutted on stop part 120-3, minimize space.
The feature of the sealing device of the invention 100 illustrated in Fig. 1 to Fig. 3 is especially since using centrifugal
Sealing member 120 as preposition sealing member, even if low speed or it is static when enough preposition sealing functions are also provided, and be expert at
Friction is made to minimize and and then minimize the abrasion of preposition sealing member due to the sealing lip 120-1 for rising in sailing operation.
Claims (8)
1. the sealing device (100) of a kind of wheel bearing arrangement for motor vehicles, the sealing device have primary seal (110)
With preposition sealing member (120), the primary seal is for being arranged between fixed support (16) and rotating supports (18)
Rolling bearing body (14) is sealed, and the preposition sealing member is spaced apart relative to primary seal (110) and arranges and be arranged in admittedly
Determine between supporting member (16) and rotating supports (18), it is characterised in that preposition sealing member is designed as centrifugal seal part (120)
Form, the centrifugal seal part is arranged on rotating supports (18), and the sealing lip (120-1) of the centrifugal seal part reclines
On the stop part (16-1) being formed in fixed support (16).
2. sealing device (100) according to claim 1, it is characterised in that stop part (16-1) is thus formed in fixing
On supporting member (16) so that the water energy being centrifuged enough flows away.
3. the sealing device (100) according to any one of claim 1 and 2, it is characterised in that in fixed support (16)
On stop part (16-1) be made up of corrosion-resistant material.
4. according to sealing device in any one of the preceding claims wherein (100), it is characterised in that centrifugal seal part
(120) it is so designed that so that the rising movement of the sealing lip (120-1) caused by the rotary motion of centrifugal seal part (120)
It is restricted.
5. according to sealing device in any one of the preceding claims wherein (100), it is characterised in that centrifugal seal part
(120) stop part (120-3) with radially outer bowing.
6. according to sealing device in any one of the preceding claims wherein (100), it is characterised in that centrifugal seal part
(120) it is directly arranged on the part (18) of rotation.
7. sealing device (100) according to any one of claim 1 to 5, it is characterised in that centrifugal seal part
(120) it is arranged on the part (18) of rotation by carrier element (120-2).
8. according to sealing device in any one of the preceding claims wherein (100), it is characterised in that sealing lip (120-1) is such as
This design and/or determination size so that proceed by more than 7km/h from speed and transported by the rotation of centrifugal seal part (120)
The rising movement of the dynamic sealing lip (120-1) for causing.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015012535.4 | 2015-09-24 | ||
DE102015012535.4A DE102015012535B4 (en) | 2015-09-24 | 2015-09-24 | Sealing arrangement for a wheel bearing of a motor vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106555820A true CN106555820A (en) | 2017-04-05 |
CN106555820B CN106555820B (en) | 2018-10-30 |
Family
ID=58281333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610849314.8A Active CN106555820B (en) | 2015-09-24 | 2016-09-23 | The sealing device of wheel bearing arrangement for motor vehicle |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN106555820B (en) |
DE (1) | DE102015012535B4 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656824A (en) * | 1968-09-16 | 1972-04-18 | Skf Svenska Kullagerfab Ab | Sealing device in bearing housings |
US4010986A (en) * | 1975-02-07 | 1977-03-08 | Volkswagenwerk Aktiengesellschaft | Bearing arrangement for a vehicle wheel |
DE9400995U1 (en) * | 1994-01-21 | 1994-03-31 | FAG Kugelfischer Georg Schäfer AG, 97421 Schweinfurt | Sealing system |
DE19600125A1 (en) * | 1996-01-04 | 1997-07-10 | Fag Oem & Handel Ag | Seal for rotating part |
CN201779147U (en) * | 2010-07-09 | 2011-03-30 | 宁国市瑞普密封件有限公司 | Novel oil seal for hub bearing unit |
CN102016365A (en) * | 2008-04-25 | 2011-04-13 | Nok株式会社 | Sealing device |
CN103498876A (en) * | 2013-09-01 | 2014-01-08 | 南通儒尚电动车科技有限公司 | Ball bearing device for wheel hub |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825272A (en) * | 1971-05-19 | 1974-07-23 | Townsend Engineering Co | Face seal for food processing equipment |
DE102013015911A1 (en) * | 2013-09-25 | 2014-04-10 | Daimler Ag | Wheel bearing for vehicle, particularly motor vehicle, has annular groove formed on side of outer ring, where end, which is bent over towards outer ring, extends in annular groove in axial direction of rotor plate |
-
2015
- 2015-09-24 DE DE102015012535.4A patent/DE102015012535B4/en active Active
-
2016
- 2016-09-23 CN CN201610849314.8A patent/CN106555820B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656824A (en) * | 1968-09-16 | 1972-04-18 | Skf Svenska Kullagerfab Ab | Sealing device in bearing housings |
US4010986A (en) * | 1975-02-07 | 1977-03-08 | Volkswagenwerk Aktiengesellschaft | Bearing arrangement for a vehicle wheel |
DE9400995U1 (en) * | 1994-01-21 | 1994-03-31 | FAG Kugelfischer Georg Schäfer AG, 97421 Schweinfurt | Sealing system |
DE19600125A1 (en) * | 1996-01-04 | 1997-07-10 | Fag Oem & Handel Ag | Seal for rotating part |
CN102016365A (en) * | 2008-04-25 | 2011-04-13 | Nok株式会社 | Sealing device |
CN201779147U (en) * | 2010-07-09 | 2011-03-30 | 宁国市瑞普密封件有限公司 | Novel oil seal for hub bearing unit |
CN103498876A (en) * | 2013-09-01 | 2014-01-08 | 南通儒尚电动车科技有限公司 | Ball bearing device for wheel hub |
Also Published As
Publication number | Publication date |
---|---|
DE102015012535A1 (en) | 2017-03-30 |
DE102015012535B4 (en) | 2017-05-11 |
CN106555820B (en) | 2018-10-30 |
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