CN201554779U - Automobile air-conditioner compressor electromagnetic clutch bearing sealing device - Google Patents
Automobile air-conditioner compressor electromagnetic clutch bearing sealing device Download PDFInfo
- Publication number
- CN201554779U CN201554779U CN2009202532159U CN200920253215U CN201554779U CN 201554779 U CN201554779 U CN 201554779U CN 2009202532159 U CN2009202532159 U CN 2009202532159U CN 200920253215 U CN200920253215 U CN 200920253215U CN 201554779 U CN201554779 U CN 201554779U
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- seal
- bearing
- seal ring
- ring
- sealing
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- Sealing Of Bearings (AREA)
Abstract
An automobile air-conditioner compressor electromagnetic clutch bearing sealing device comprises an bearing outer ring, a bearing inner ring and sealing rings on two sides of a bearing, wherein outer circumferences of the sealing rings are fixedly connected with the bearing outer ring, the outer side of at least one bearing sealing ring is provided with a rigid metal sealing ring, inner circumference of the metal sealing ring is fixedly connected with the bearing inner ring in a sealing manner, inner circumference sealing lips of the sealing rings are engaged with the metal sealing ring in a sealing manner, and the metal sealing ring is in clearance sealed fit with the bearing outer ring. Clearance sealing between the metal sealing ring and the bearing outer ring prevents mud from entering the bearing, and protects the sealing lips at inner circumferences of the sealing rings, the sealing ring made of metal material is slightly abraded, and sealing labyrinth among the metal sealing ring, the sealing rings, the bearing inner ring and the bearing outer ring enhances sealing performance. Aiming at the fact that only one side of an automobile air-conditioner compressor electromagnetic clutch is provided with water-retaining protection, mud invasion can be perfectly avoided by mounting the bearing with only one side equipped with a sealing ring, and a sealing ring on the other side has fine sealing effect under co-action of three sealing lips and tow sealing grooves.
Description
Technical field
The utility model belongs to associated sealing arrangement for bearings, is a kind of bearing sealing device of electromagnetic clutch of automobile air conditioner compressor concretely.
Background technique
Existing electromagnetic clutch of automobile air conditioner compressor holds the seal ring that utilizes its both sides and realizes sealing.The external diameter of seal ring is fixedly connected on the bearing outer ring of rotation, and the seal lip of inner radius contacts with the bearing inner race sealing of fixing.It is more abominable that electromagnetic clutch of automobile air conditioner compressor holds working environment, particularly automobile with small output volumn mostly adopts transverse engine, air condition compressor is near the automobile front wheel, the mud that wheel is rolled impacts and is exposed to outer magnetic clutch, mud is invaded, is deposited on the bearing inner race from sealing relatively poor position, mud and the friction of seal ring seal lip, the wearing and tearing of seal ring seal lip have been accelerated, strengthened sealed department interdigit crack, quickened seal failure, cause outside muddy water to invade bearing, bearing internal lubrication material leaks, the serious consequence of bearing internal corrosion.
Summary of the invention
The utility model will solve existing electromagnetic clutch of automobile air conditioner compressor and hold sealing to resist the mud impact capacity poor, the technical problem of the mud wearing and tearing that internal diameter of the seal ring place seal lip is easily piled up on the bearing inner race provides a kind of and can overcome or reduce the bearing sealing device of electromagnetic clutch of automobile air conditioner compressor that mud enters into internal diameter of the seal ring seal lip position.
The utility model is to take following technological scheme to solve above-mentioned technical problem: a kind of bearing sealing device of electromagnetic clutch of automobile air conditioner compressor, comprise bearing outer ring and bearing inner race, the seal ring of bearing both sides, the external diameter of seal ring is fixedlyed connected with bearing outer ring, there is the rigid metal seal ring in the outside of at least one bearing sealed ring, the internal diameter and the bearing inner race of seal ring are sealedly and fixedly connected, internal diameter of the seal ring seal lip cooperates with seal ring seal, and seal ring cooperates with the bearing outer ring clearance seal.
Seal ring and bearing inner race do not have relative displacement.Sealing between seal ring and the bearing outer ring has stoped mud to enter in the bearing, has protected internal diameter of the seal ring seal lip.The mud that pile up the seal ring of metal material and bearing outer ring cooperation place is very slight to the wearing and tearing that both produce.
Have only the outside of a bearing sealed ring that metallic packing ring is arranged, the sealing circle is a secondary seal ring; Another seal ring is the primary seal circle, and its inner radius and bearing inner race are sealed and matched; The external diameter termination of secondary seal ring, primary seal circle and the groove interference fit on the bearing outer ring.Usually only in a side of automobile air conditioner compressor magnetic clutch the dash protection is set, and opposite side is the weak seal link, the bearing that has seal ring simultaneously is installed in a side that does not have the dash protection, so just can well play the effect that prevents the mud intrusion.
The external diameter of seal ring cooperates with the groove rib clearance seal in the groove outside, and radial clearance is 0.1-1mm.The external diameter position of the external diameter of seal ring, groove rib and seal ring constitutes labyrinth seal.
The radial clearance of the external diameter of seal ring and groove rib is 0.2-0.4mm.This is preferred data.
The seal ring inner radius is inside flanging, and flanging is fixedlyed connected with the notch on the bearing inner race.Usually adopt interference fit to connect.
The axial clearance of the outer side surface of secondary seal ring and the madial wall of seal ring is 0.1-0.8mm.The outer side surface of secondary seal ring and the madial wall of seal ring form long clearance seal, and clearance seal has been strengthened water-proof performance.
The axial clearance of the outer side surface of secondary seal ring and the madial wall of seal ring is 0.2-0.4mm.This is preferred data.
The secondary seal ring master lip of secondary seal ring inner radius and seal ring madial wall axial contact seal; Secondary lip of the secondary seal ring of secondary seal ring inner radius and flanging inner face Spielpassung are with the madial wall Spielpassung of notch.Secondary seal ring master lip plays main seal action, prevents that steam from invading and lubricating grease leaks, and the sealing loop that the madial wall of secondary seal ring master lip, the secondary lip of secondary seal ring, flanging, notch forms can effectively stop the loss of bearing internal lubrication material.
Secondary seal ring master lip is 0.05-0.4mm with the amount of contact of the madial wall of seal ring.
Secondary seal ring master lip is 0.1-0.2mm with the amount of contact of the madial wall of seal ring.This is preferred data.
Secondary lip of secondary seal ring and flanging gap are 0.05-0.4mm.
Secondary lip of secondary seal ring and flanging gap are 0.15-0.25mm.This is preferred data.
The madial wall gap of secondary lip of secondary seal ring and notch is 0.05-0.6mm.
The madial wall gap of secondary lip of secondary seal ring and notch is 0.2-0.4mm.This is preferred data.
The close internal diameter position of secondary seal ring is secondary sealing distortion arm, and secondary seal ring master lip is in the pair sealing distortion arm outside, and the secondary lip of secondary seal ring is in pair sealing distortion arm inboard; The vertical line of crossing secondary sealing distortion arm distortion mid point is 0.01-0.2mm with the vertical line distance of crossing secondary seal ring master lip, the secondary lip barycenter of secondary seal ring, and barycenter is in the distortion mid point outside; Secondary sealing distortion arm slopes inwardly, and the angle of inclination is 4-30 °.In secondary seal ring and bearing outer ring high speed rotating process, barycenter produces outside centrifugal force, force secondary seal ring master lockjaw to be connected airtight and touch the seal ring madial wall, rotating speed high contact force more is big more, water inlet phenomenon when effectively having stopped high speed, secondary lip of the high more secondary seal ring of rotating speed and flanging inner face gap are more little, effectively stop the loss of bearing internal lubrication material.
Cross vertical line that is out of shape mid point and the vertical line distance of crossing barycenter and be 0.02-0.1mm, the angle of inclination of secondary sealing distortion arm is 5-15 °.This is preferred data.
Have 1-3 on the outer side surface of secondary seal ring and highly be the secondary seal ring annular projection of 0.1-0.5mm, have 1-3 on the madial wall of seal ring and highly be the seal ring annular projection of 0.1-0.5mm; Arrange in the staggered gap of secondary seal ring annular projection and seal ring annular projection.
Secondary seal ring annular projection quantity is looked the outer side surface width setting of secondary seal ring, and preferred quantity is 1-2; Seal ring annular projection quantity is looked the madial wall width setting of seal ring, and preferred quantity is 1.Secondary seal ring annular projection, seal ring annular projection highly are 0.2-0.3mm preferably.The intrusion of defence steam has been strengthened in labyrinth seal between secondary seal ring annular projection and the annulus annular projection portion.
The seal groove madial wall contact seal of seal groove on primary seal circle master's lip of primary seal circle and the bearing inner race, auxiliary seal groove clearance seal on primary seal circle the 3rd lip and the bearing inner race, the sealing rib in the secondary lip of primary seal circle and the seal groove outside is sealed and matched; Seal groove is connected with its inboard auxiliary seal groove; The close internal diameter position of primary seal circle is a primary seal distortion arm, and primary seal circle master lip is in primary seal distortion arm inboard, and the secondary lip of primary seal circle is in the primary seal distortion arm outside, and primary seal circle the 3rd lip is above primary seal distortion arm.Primary seal circle master lip is born the main effect of sealing.Primary seal circle the 3rd lip is to the inner extension of bearing, the inboard is a lubriation material, the sealing loop that itself and auxiliary seal groove constitute strengthens the guiding function of lubriation material, reduces the pressure of lubriation material to main lip when the bearing high speed rotating, prevents the leakage of bearing internal lubrication material.When primary seal circle master lip contacts with the seal groove madial wall, the outside bending of primary seal circle master lip, cause primary seal distortion arm to produce outside bending, break away from the sealing rib attached to the secondary lip of primary seal circle on the primary seal distortion arm, along with primary seal circle master's lip and the wearing and tearing of seal groove madial wall contacting point, bending force compensates primary seal distortion arm to the inside, disengages until primary seal circle master's lip and seal groove madial wall, and the secondary lip of primary seal circle can contact with the sealing rib.Lubriation material is filled gap between primary seal circle the 3rd lip and the auxiliary seal groove, form tight sealing, primary seal circle the 3rd lip and primary seal circle master lip constitute new sealing loop again, even primary seal circle master lip, the secondary lip of primary seal circle produce wearing and tearing and lost efficacy under long-term rubbing action, primary seal circle the 3rd lip still has good sealing effect.Under the acting in conjunction of three sealing lips and two seal grooves, increased the sealing loop, prevented the leakage of lubriation material, strengthened sealing effect.
Primary seal circle and secondary seal ring all are the annular solids of being made by rubber material, and its inner intermediate portion is inlaid with the skeleton that steel plate is made.
The utility model has the advantages that: the clearance seal between seal ring and the bearing outer ring has stoped mud to enter in the bearing; protected internal diameter of the seal ring place seal lip; the seal wears of metal material is slight; labyrinth seal between seal ring, seal ring, bearing inner race and the outer ring has increased sealability.At the automobile air conditioner compressor magnetic clutch only a side dash protection is arranged, the bearing that has only a side to have seal ring is installed just can be well prevented the mud intrusion, the seal ring of opposite side is effective at the acting in conjunction lower seal of three sealing lips and two seal grooves.
Description of drawings
Fig. 1 is an embodiment's of the utility model a partial schematic sectional view;
Fig. 2 is the partial enlarged drawing of secondary sealing distortion arm, sealed lip among Fig. 1;
Fig. 3 is another embodiment's of the utility model a partial schematic sectional view.
Embodiment
Accompanying drawings.
Illustrated is a kind of associated sealing arrangement for bearings that a side has the automobile air conditioner compressor magnetic clutch of dash protection that is used for.The figure middle (center) bearing left side is contained in the influent side that magnetic clutch does not have the dash protection, and the right side is contained in the dash side of dash protection.The seal arrangement difference on bearing two sides, left side seal arrangement is made of bearing outer ring 1, bearing inner race 2, secondary seal ring 4, seal ring 3, and the right side is made of bearing outer ring 1, bearing inner race 2, primary seal circle 5.
The external diameter 24 of seal ring is the right angle flanging in bearing, cooperate with planar trenches rib 23 clearance seals in groove 6 outsides, radial clearance is 0.3mm, and bearing outer ring 1 and seal ring 3 are metallic material, promptly is that clearance seal place mud is piled up also very slight to the wearing and tearing that the two produced; The external diameter position of the external diameter 24 of seal ring, groove rib 23 and secondary seal ring 4 constitutes labyrinth seal.The external diameter 24 of seal ring is not limited to shape shown, and the arcuation such as being projection cooperates with groove 6 outer concave rounded trenches ribs 23 clearance seals; The external diameter 24 of seal ring embodiment illustrated in fig. 3 is a straight flange, and this straight flange cooperates with groove rib 23 clearance seals in groove 6 outsides, and other parts embodiment illustrated in fig. 3 and Fig. 1,2 embodiments are the same.
The outer side surface 22 of secondary seal ring forms long clearance seal with the madial wall of seal ring 19, and axial clearance is 0.3mm, and clearance seal has been strengthened water-proof performance.
The secondary seal ring master lip of giving prominence to left among the figure 18 and seal ring madial wall 19 axial contact seals in its left side, the contact amount is 0.15mm, 18 main seal actions of secondary seal ring master lip prevent that steam from invading and lubricating grease leaks.Secondary lip 26 of outstanding to the right secondary seal ring and flanging 27 inner face Spielpassung, the gap is 0.2mm, with upright inner side walls 9 Spielpassung of notch 7, the gap is 0.3mm.The sealing loop that the madial wall 9 of secondary seal ring master lip 18, the secondary lip 26 of secondary seal ring, flanging 27, notch 7 forms can effectively stop the loss of bearing internal lubrication material.
The secondary lip 26 of secondary seal ring master lip 18, secondary seal ring on pair sealing distortion arm 25, lays respectively at the outside and the inboard of secondary sealing distortion arm 25 in the inner radius of secondary seal ring 4.Secondary sealing distortion arm 25 distortion mid points 29 are crossed vertical line that is out of shape mid point 29 and the vertical line distance of crossing barycenter 30 and are 0.05mm in the inboard of secondary seal ring master lip 18, secondary lip 26 barycenter 30 of secondary seal ring, and secondary sealing distortion arm 25 slopes inwardly, and the angle of inclination is 10 °.In secondary seal ring 4 and bearing outer ring 1 high speed rotating process, barycenter 30 produces outside centrifugal force, force secondary seal ring master lip 18 tight contact seal ring madial walls 19, rotating speed high contact force more is big more, water inlet phenomenon when effectively having stopped high speed, the secondary lip 26 of the high more secondary seal ring of rotating speed is more little with flanging 27 inner face gaps, effectively stops the loss of bearing internal lubrication material.
The secondary seal ring annular projection 21 that to have 1 height on the outer side surface 22 of secondary seal ring be 0.25mm, the seal ring annular projection 20 that to have 1 height on the madial wall 19 of seal ring be 0.25mm.Circular arc seal ring annular projection 20 is to the bearing internal protrusion, and circular arc secondary seal ring annular projection 21 is to the bearing outer projection, and both arrange in staggered gap, and seal ring annular projection 20, secondary seal ring annular projection 21 can be other shapes, such as triangle.The intrusion of defence steam has been strengthened in labyrinth seal between secondary seal ring annular projection 21 and the seal ring annular projection portion 20.
Seal groove madial wall 14 contact seals of U-shaped seal groove 15 on the primary seal circle master lip 11 of primary seal circle 5 and the bearing inner race 2, auxiliary seal groove 16 clearance seals on primary seal circle the 3rd lip 13 and the bearing inner race 2, the secondary lip 12 of primary seal circle is sealed and matched with the sealing rib 28 in seal groove 15 outsides.U-shaped seal groove 15 is connected with the L shaped auxiliary seal groove 16 of its inboard.The close internal diameter position of primary seal circle 5 is primary seal distortion arms 17, primary seal circle master lip 11, the secondary lip 12 of primary seal circle are attached on the primary seal distortion arm 17, primary seal circle master lip 11 is in primary seal distortion arm 17 inboards, the secondary lip 12 of primary seal circle is in primary seal distortion arm 17 outsides, and primary seal circle the 3rd lip 13 is above primary seal distortion arm 17.Primary seal circle master lip 11 is born the main effect of sealing.Primary seal circle the 3rd lip 13 is to the inner extension of bearing, the inboard is a lubriation material, the sealing loop that itself and auxiliary seal groove 16 constitute strengthens the guiding function of lubriation material, reduces the pressure of lubriation material to main lip 11 when the bearing high speed rotating, prevents the leakage of bearing internal lubrication material.When primary seal circle master lip 11 contacts with seal groove madial wall 14, the bending that primary seal circle master lip 11 is outside, cause primary seal distortion arm 17 to produce outside bending, the secondary lip 12 of primary seal circle breaks away from sealing rib 28, along with constantly wearing and tearing in the primary seal circle master lip 11 and the contacting point of seal groove madial wall 14, bending force compensates primary seal distortion arm 17 to the inside, disengages until primary seal circle master lip 11 and seal groove madial wall 14, and the secondary lip 12 of primary seal circle can contact with sealing rib 28.Servo-actuated effect between the secondary lip 12 of primary seal circle master lip 11 and primary seal circle, when primary seal circle master lip 11 contact with seal groove madial wall 14, the secondary lip 12 of primary seal circle with seal rib 28 disengagings; When primary seal circle master lip 11 broke away from seal groove madial wall 14, the secondary lip 12 of primary seal circle contacted with sealing rib 28.Lubriation material is filled gap between primary seal circle the 3rd lip 13 and the auxiliary seal groove 16, form tight sealing, primary seal circle the 3rd lip 13 constitutes new sealing loop again with primary seal circle master lip 11, even primary seal circle master lip 11 produces wearing and tearing and seal failure takes place with the secondary lip 12 of primary seal circle under long-term rubbing action, primary seal circle the 3rd lip 13 still has good sealing effect.Under the acting in conjunction of three sealing lips and two seal grooves, increased the sealing loop, prevented the leakage of lubriation material, strengthened sealing effect.
The present invention has applied for patent of invention simultaneously.
Claims (10)
1. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor, comprise bearing outer ring (1) and bearing inner race (2), the seal ring of bearing both sides, the external diameter of seal ring is fixedlyed connected with bearing outer ring, there is rigid metal seal ring (3) in the outside that it is characterized in that at least one bearing sealed ring, the internal diameter of seal ring (3) and bearing inner race (2) are sealedly and fixedly connected, and internal diameter of the seal ring seal lip and seal ring (3) are sealed and matched, and seal ring (3) cooperates with bearing outer ring (1) clearance seal.
2. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 1 is characterized in that having only the outside of a bearing sealed ring that metallic packing ring (3) is arranged, and the sealing circle is secondary seal ring (4); Another seal ring is primary seal circle (5), and its inner radius and bearing inner race (2) are sealed and matched; Groove (6) interference fit on the external diameter termination (10) of secondary seal ring (4), primary seal circle (5) and the bearing outer ring (1).
3. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 1 is characterized in that the external diameter (24) of seal ring cooperates with groove rib (23) clearance seal in groove (6) outside, and radial clearance is 0.1-1mm.
4. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 3 is characterized in that the external diameter (24) of seal ring and the radial clearance of groove rib (23) are 0.2-0.4mm.
5. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 1 is characterized in that seal ring (3) inner radius is inside flanging (27), and flanging (27) is fixedlyed connected with the notch (7) on the bearing inner race (2).
6. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 2, the outer side surface (22) that it is characterized in that secondary seal ring is 0.1-0.8mm with the axial clearance of the madial wall (19) of seal ring.
7. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 2, secondary seal ring master lip (18) that it is characterized in that the secondary seal ring inner radius and seal ring madial wall (19) axial contact seal; Secondary lip of the secondary seal ring of secondary seal ring inner radius (26) and flanging (27) inner face Spielpassung are with madial wall (9) Spielpassung of notch (7).
8. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 2, the close internal diameter position that it is characterized in that secondary seal ring (4) is secondary sealing distortion arm (25), secondary seal ring master lip (18) is in pair sealing distortion arm (25) outside, and the secondary lip of secondary seal ring (26) is in pair sealing distortion arm (25) inboard; The vertical line of crossing secondary sealing distortion arm (25) distortion mid point (29) is 0.01-0.2mm with the vertical line distance of crossing secondary seal ring master's lip (18), secondary lip (26) barycenter of secondary seal ring (30), and barycenter (30) is in distortion mid point (29) outside; Secondary sealing distortion arm (25) slopes inwardly, and the angle of inclination is 4-30 °.
9. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 2, it is characterized in that having 1-3 on the outer side surface (22) of secondary seal ring highly is the secondary seal ring annular projection (21) of 0.1-0.5mm, has 1-3 and highly is the seal ring annular projection (20) of 0.1-0.5mm on the madial wall of seal ring (19); Secondary seal ring annular projection (21) is arranged with the staggered gap of seal ring annular projection (20).
10. bearing sealing device of electromagnetic clutch of automobile air conditioner compressor according to claim 2, the primary seal circle master lip (11) and upward seal groove madial wall (14) contact seal of seal groove (15) of bearing inner race (2) that it is characterized in that primary seal circle (5), primary seal circle the 3rd lip (13) is gone up auxiliary seal groove (16) clearance seal with bearing inner race (2), and the secondary lip of primary seal circle (12) is sealed and matched with the sealing rib (28) in seal groove (15) outside; Seal groove (15) is connected with its inboard auxiliary seal groove (16); The close internal diameter position of primary seal circle (5) is a primary seal distortion arm (17), primary seal circle master lip (11) is in primary seal distortion arm (17) inboard, the secondary lip of primary seal circle (12) is in primary seal distortion arm (17) outside, and primary seal circle the 3rd lip (13) is in primary seal distortion arm (17) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202532159U CN201554779U (en) | 2009-11-13 | 2009-11-13 | Automobile air-conditioner compressor electromagnetic clutch bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202532159U CN201554779U (en) | 2009-11-13 | 2009-11-13 | Automobile air-conditioner compressor electromagnetic clutch bearing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554779U true CN201554779U (en) | 2010-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202532159U Expired - Fee Related CN201554779U (en) | 2009-11-13 | 2009-11-13 | Automobile air-conditioner compressor electromagnetic clutch bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701606B (en) * | 2009-11-13 | 2012-05-16 | 青岛泰德汽车轴承有限责任公司 | Bearing sealing device of electromagnetic clutch of automobile air conditioner compressor |
| CN103201528A (en) * | 2010-11-12 | 2013-07-10 | 谢夫勒科技股份两合公司 | Sealed anti-friction bearing |
| CN104141681A (en) * | 2013-05-08 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Automobile transmission shaft hanging bracket supporting bearing |
-
2009
- 2009-11-13 CN CN2009202532159U patent/CN201554779U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701606B (en) * | 2009-11-13 | 2012-05-16 | 青岛泰德汽车轴承有限责任公司 | Bearing sealing device of electromagnetic clutch of automobile air conditioner compressor |
| CN103201528A (en) * | 2010-11-12 | 2013-07-10 | 谢夫勒科技股份两合公司 | Sealed anti-friction bearing |
| CN103201528B (en) * | 2010-11-12 | 2016-01-20 | 舍弗勒技术股份两合公司 | The rolling bearing of sealing |
| CN104141681A (en) * | 2013-05-08 | 2014-11-12 | 襄阳汽车轴承股份有限公司 | Automobile transmission shaft hanging bracket supporting bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xinghua Road, Licang District of Shandong Province, Qingdao City, No. 10, 266041 Patentee after: Qingdao Taide Automobile Bearing Co., Ltd. Address before: Xinghua Road, Licang District of Shandong Province, Qingdao City, No. 10, 266041 Patentee before: Qingdao Taide Automobile Bearing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20131113 |