CN101335475A - Bearing construction of motor - Google Patents
Bearing construction of motor Download PDFInfo
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- CN101335475A CN101335475A CNA2007101235042A CN200710123504A CN101335475A CN 101335475 A CN101335475 A CN 101335475A CN A2007101235042 A CNA2007101235042 A CN A2007101235042A CN 200710123504 A CN200710123504 A CN 200710123504A CN 101335475 A CN101335475 A CN 101335475A
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- bearing
- guide channel
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- axis hole
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Abstract
The invention discloses a bearing structure of a motor. The bearing is correspondingly installed in an axle tube of the motor and comprises an axle hole and at least one guiding groove, wherein, the axle hole is arranged at the axis of the bearing to be supplied for being run through by a shaft lever of the motor; one end of the guiding groove runs through one end face of the bearing while the other end of the guiding groove does not run through the other end face of the bearing and a deposition space is formed at the bottom of the guiding groove. Therefore, carbide and impurities and the like produced by a lubricating fluid can deposit in the deposition space so as to further prevent the lubricating capacity of the lubricating fluid from being influenced by the carbide and impurities and also extend the service life of the motor.
Description
Technical field
The present invention relates to a kind of bearing construction of motor, especially relate to a kind of utilization and at least one guide channel is set, and this guide channel runs through the bearing construction of an end face of this bearing at the outer peripheral face of an axis hole of a bearing.
Background technology
The bearing construction of existing motor, announce " oiliness bearing " novel patent No. 542317 as TaiWan, China, please refer to shown in Fig. 1,2, this oiliness bearing 8 comprises a centre bore 81 and several extension slots 82, this centre bore 81 axially runs through the shaft core position that is formed at this oiliness bearing 8, wears fixing for an axostylus axostyle 9.These extension slot 82 correspondences are formed on the periphery wall of this centre bore 81, and this extension slot 82 is along end face that axially runs through this oiliness bearing 8 and bottom surface, and then change the cross-sectional shape of this centre bore 81.
Shown in Fig. 1,2, this oiliness bearing 8 utilizes this several extension slots 82 is set, and reducing the CONTACT WITH FRICTION area of this axostylus axostyle 9 with respect to 8 of this oiliness bearings, and then reduces the frictional resistance of 8 of this axostylus axostyle 9 and oiliness bearings.Simultaneously, also can reduce the high temperature that is produced when rubbing, and increase the oil content of this oiliness bearing 8, the useful life of further improving motor simultaneously via this extension slot 82.
Generally speaking, the bearing construction of above-mentioned existing motor has following shortcoming, for example: in this axostylus axostyle 9 is arranged in the centre bore 81 of this oiliness bearing 8 and when rotating, because the bottom of this extension slot 82 is connected with the bottom of this oiliness bearing 8, the lubricating oil that causes accumulating in this extension slot 82 runs off easily, and influences the whole lubricant effect of this oiliness bearing 8.In addition, introduced contaminants (for example: dust or sand grains etc.) is fallen in the space of 9 of this oiliness bearing 8 and this axostylus axostyles easily, and also very easily, these axostylus axostyle 9 rotations generate monocarbide between the lubricating oil in this oiliness bearing 8 because of producing high temperature, this carbide and impurity can increase the frictional resistance of 9 of this oiliness bearing 8 and this axostylus axostyles, further shorten the useful life of motor.
Summary of the invention
Main purpose of the present invention provides a kind of bearing construction of motor, it is provided with at least one guide channel by the outer peripheral face at an axis hole of a bearing, one end of this guide channel runs through an end face of this bearing, its other end does not then run through the other end of this bearing, a deposition space is formed on the bottom of this guide channel simultaneously, to gather carbide and impurity, make the present invention have and improve the bearing lubrication ability and prolong the motor effect in useful life.
Secondary objective of the present invention provides a kind of bearing construction of motor, wherein this guide channel radially is provided with an opening, corresponding this axis hole that is communicated with of this opening, and the bore of this opening is less than this guide channel maximum inner diameter radially, make the carbide or other impurity that enter in this guide channel be difficult for returning again in this axis hole, make the present invention have the effect that improves whole lubricating efficiency.
Another object of the present invention provides a kind of bearing construction of motor, and wherein a guidance part is selected to be provided with in the top of this guide channel, enters this guide channel and accumulates in this deposition space with guiding impurity, makes the present invention have the effect that improves whole lubricating efficiency.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of bearing construction of motor, it comprises: a motor, this motor are provided with a central siphon, a rotor, a stator and a dust preventing component, and this central siphon has an accommodation space, this stator is incorporated into the outer peripheral face of this central siphon, and this rotor has an axostylus axostyle; And bearing, this bearing is provided with an axis hole and at least one guide channel, and this bearing has one first end face and one second end face in addition, this axis hole is arranged at the shaft core position of this bearing, this guide channel is arranged at the outer peripheral face of this axis hole, one end of this guide channel runs through this first end face, and the other end of this guide channel does not then run through this second end face, and the bottom of this guide channel is formed with a deposition space; Wherein this bearing and dust preventing component correspondence are inserted the accommodation space of this central siphon, and this dust preventing component is adjacent to a side of this first end face.
A kind of bearing construction is characterized in that, it comprises: one first end face, this first end face are an end face of this bearing; One second end face, the other end that relative this first end face of this second end face is this bearing; An axis hole, this axis hole is arranged at the shaft core position of this bearing, wears for an axostylus axostyle; And at least one guide channel, this guide channel is formed at the outer peripheral face of this axis hole, and an end of this guide channel runs through this first end face, and the other end of this guide channel does not run through this second end face, and this guide channel is formed with a deposition space near an end of this second end face.
A kind of bearing construction is characterized in that, it comprises: an axis hole, and this axis hole is arranged at the shaft core position of this bearing, wears for an axostylus axostyle; And at least one guide channel, this guide channel is axially set in the outer peripheral face of this axis hole, one end of this guide channel runs through an end face of this bearing, and the other end of this guide channel does not then run through the other end of this bearing, and the degree of depth of this guide channel surpasses 1/2nd of this bearing integral height.
The present invention has improved the shortcoming of prior art, it is provided with at least one guide channel by the outer peripheral face at an axis hole of a bearing, one end of this guide channel runs through an end face of this bearing, its other end does not then run through the other end of this bearing, a deposition space is formed on the bottom of this guide channel simultaneously, so that the carbide that this lubricating fluid produces or other impurity is precipitable is collected in this deposition space, avoid the lubricant effect between the relative axostylus axostyle of this lubricating fluid of this carbide or impurity effect, thereby make the present invention can reduce frictional dissipation between this bearing and this axostylus axostyle, and then prolong the useful life of motor.
Description of drawings
Fig. 1: the exploded perspective of the bearing construction of existing motor and fragmentary, perspective view.
Fig. 2: the combination top view of the bearing construction of existing motor.
Fig. 3: the exploded perspective of the bearing construction of the motor of first embodiment of the invention and fragmentary, perspective view.
Fig. 4: the assembled sectional view of the bearing construction of the motor of first embodiment of the invention.
Fig. 5: the combination top view of the bearing construction of the motor of first embodiment of the invention.
Fig. 6: amplify and the use schematic diagram part of the bearing construction of the motor of first embodiment of the invention.
Fig. 7: the assembled sectional view of the bearing construction of the motor of second embodiment of the invention.
Fig. 8: the combination top view of the bearing construction of the motor of second embodiment of the invention.
Fig. 9: amplify and the use schematic diagram part of the bearing construction of the motor of second embodiment of the invention.
Figure 10: the exploded perspective view of the bearing construction of the motor of third embodiment of the invention.
Figure 11: the assembled sectional view of the bearing construction of the motor of third embodiment of the invention.
Figure 12: amplify and the use schematic diagram part of the bearing construction of the motor of third embodiment of the invention.
[main mark symbol description]
The 1 bearing 1a upper bearing (metal) 1b of portion lower bearing portion, 10 axis holes
12 first end faces, 13 second end faces, 2 motors, 21 central siphons
210 accommodation spaces, 22 rotors, 221 axostylus axostyles, 23 stators
24 dust preventing component, 240 axis holes, 8 oiliness bearings, 81 centre bores
The low ora terminalis of 82 extension slots, 9 axle center a carbide b
The higher ora terminalis D of c inner diameter d bore h difference in height
Embodiment
For above-mentioned and other purpose, feature and advantage of the present invention can be become apparent, the preferred embodiments of the present invention cited below particularly, and conjunction with figs. are described in detail below:
Please refer to shown in Fig. 3,4, bearing construction 1 a preferable oiliness bearing or the fluid hydrodynamic bearing of being selected from of the disclosed motor of first embodiment of the invention, this bearing 1 can select to be applied to the motor 2 on radiator fan or other runner assembly, bearing 1 correspondence described in the present embodiment is assembled in the central siphon 21 of this motor 2, and can wear for a rotor 22 of this motor 2, the outer peripheral face of this central siphon 21 is provided with a stator 23.
Shown in Fig. 3,4, the described bearing 1 of first embodiment of the invention comprises an axis hole 10 and at least one guide channel 11, and this bearing 1 has two end faces, and it is respectively one first end face 12 and one second end face 13.This axis hole 10 runs through the shaft core position of this bearing 1, and it is used to wear an axostylus axostyle 221 of this rotor 22.This guide channel 11 is axially set in the outer peripheral face of this axis hole 10, so that the lubricating fluid that this bearing 1 includes (does not indicate, for example: wet goods) accumulate in this guide channel 11, and form a lubricating fluid loop.One end of this guide channel 11 runs through this first end face 12; The other end of this guide channel 11 then extends to the position that surpasses a center line L towards this second end face 13, this center line L just is positioned at half of this bearing 1 whole height, so that the degree of depth of this guide channel 11 surpasses 1/2nd of this bearing 1 whole height, form a deposition space 111 simultaneously in the bottom of this guide channel 11, accumulate monocarbide a or the extraneous impurity that falls in this bearing 1 that this lubricating fluid produces with precipitation, avoid this carbide a and impurity to retain in the lubricating fluid of 10 of this axostylus axostyle 221 and this axis holes.In addition, the section shape of the described guide channel 11 of present embodiment is selected slightly to be a circle, and it can also be selected from trapezoidal, square or other geometry.
Please refer to shown in Fig. 4,5, the described guide channel 11 of first embodiment of the invention radially is provided with an opening 110, this this axis hole 10 of opening 110 radial communication.In addition, the bore d of this opening 110 is less than this guide channel 11 maximum inner diameter D radially, so that this guide channel 11 inwardly forms hole enlargement structure from this opening 110.This guide channel 11 is provided with a guidance part 112 in abutting connection with an end of this first end face 12, this guidance part 112 relative these axis holes 10 form hole enlargements structure, so that guide impurity on first end face 12 of this bearing 1 easily to this guide channel 11 and be deposited in this deposition space 111.
Please refer to shown in Fig. 3-6, a dust preventing component 24 correspondences of this bearing 1 and this motor 2 are placed in the accommodation space 210 of this central siphon 21, and this dust preventing component 24 is adjacent to first end face 12 of this bearing 1.The shaft core position of this dust preventing component 24 is provided with an axis hole 240, one axostylus axostyle, the 221 rotating correspondences of this rotor 22 are arranged in the axis hole 10 of this bearing 1 and the axis hole 240 of this dust preventing component 24, and leave a gap between the peritreme of the axis hole 240 of this dust preventing component 24 and this axostylus axostyle 221, this gap is positioned at the top of this guidance part 12.When driving this rotor 22 and drive this axostylus axostyle 221 and rotate, this axostylus axostyle 221 is positioned at the stable high speed rotating of this axis hole 10, and this lubricating fluid can be stored between this axostylus axostyle 221 and this bearing 1 by stream, accumulates simultaneously in this guide channel 11.Lubricating fluid in this guide channel 11 infiltrates between this first end face 12 and this dust preventing component 24, to form this lubricating fluid loop via this guidance part 112.Along with the increase of 2 service times of this motor, the friction high temperature that produces between these axostylus axostyle 221 relative these lubricating fluids and the bearing 1, make this lubricating fluid rotten and chemical combination goes out this carbide a easily, and introduced contaminants (for example: dust or sandstone etc.) also may be by this dust preventing component 24 axis hole 240 and the gap of 221 of this axostylus axostyles after directly fall between this axostylus axostyle 221 and this bearing 1 by this guidance part 12, this moment, most this carbide a and impurity can be accumulated in this guide channel 11 along with this lubricating fluid, because the proportion of this carbide a and impurity is greater than the proportion of this lubricating fluid, this carbide a and impurity deposit buildup gradually make this deposition space 111 have the function of collecting this carbide a and impurity in the deposition space 111 of these guide channel 11 bottoms.
Shown in Fig. 3-6, in general, in these axostylus axostyle 221 rotating process, this carbide a and impurity are piled up in this guide channel 11 easily, because the bore d of the opening 110 of this guide channel 11 relatively less than the inside diameter D of this guide channel 11, makes this carbide a and impurity promptly be difficult for behind this guide channel 11 along with this lubricating fluid enters to returning in the minimum gap of 10 of this axostylus axostyle 221 and this axis holes.Like this, the present invention can effectively reduce the carbide a that is entrained in 221 of this bearing 1 and axostylus axostyles and the quantity of impurity, to avoid increasing the frictional resistance of 1 on this axostylus axostyle 221 and this bearing, increases the lubricating ability of this bearing 1 simultaneously, and prolongs the useful life of this motor 2.
Please refer to shown in Fig. 7-9, it discloses the bearing construction of the motor of second embodiment of the invention.Be compared to first embodiment, the bearing 1 of second embodiment further forms an inclined plane in the bottom of guide channel 11, and this inclined plane has low ora terminalis b and a higher ora terminalis c, and this higher ora terminalis c relatively should be than low ora terminalis b near this axis hole 10.Have a difference in height h between this higher ora terminalis c and this low ora terminalis b, the bottom of this guide channel 11 forms this deposition space 111 respectively by this difference in height h.In addition, the section shape of this guide channel 11 is selected from and slightly is a triangular shape.Like this, this deposition space 111 is positioned at the position lower than the radial opening 110 of this guide channel 11, except the volume that increases this deposition space 111 with more this carbide a of accumulation and the impurity, also make carbide a in this deposition space 111 and impurity be difficult for returning in the minimum gap of 10 of this axostylus axostyle 221 and this axis holes simultaneously, and then improve the lubricating ability of this lubricating fluid, and prolong the useful life of this motor 2.
Please refer to shown in Figure 10-12, it discloses the bearing construction of the motor of third embodiment of the invention.Be compared to first embodiment, the bearing 1 of the 3rd embodiment is made of jointly a 1a of upper bearing (metal) portion and a 1b of lower bearing portion, wherein this 1a of upper bearing (metal) portion and the 1b of lower bearing portion respectively correspondence be provided with an axis hole 10a and an axis hole 10b, the axis hole 10b of the axis hole 10a of the 1a of this upper bearing (metal) portion and the 1b of this lower bearing portion can correspondingly form axis hole 10 that this bearing 1 axially connects.In addition, the described guide channel 11 of present embodiment also can be made of jointly at least one upward guide channel 11a and at least one guide channel 11b down, and this time guide channel 11b is positioned at the bottom of this guide channel 11.When the described number of going up guide channel 11a of present embodiment is chosen as two, goes up guide channel 11a for these two and can select symmetry or the asymmetric outer peripheral face that axially is opened in this axis hole 10a, and should go up the both ends of the surface that guide channel 11a runs through the 1a of this upper bearing (metal) portion; This time guide channel 11b then is located at the end face of the 1b of this lower bearing portion along the periphery ring of this axis hole 10b, the bottom of this time guide channel 11b is to having ring groove structure, this ring groove is as this deposition space 111, and these deposition space 111 preferable selections are arranged at these guide channel 11 bottoms and away from the position of this axis hole 10b.
Shown in Figure 10-12, during this bearing 1 of the corresponding composition of described upper bearing (metal) 1a of portion of third embodiment of the invention and the 1b of lower bearing portion, because the radial width that should go up guide channel 11a equals the radial width of this time guide channel 11b just, make align the just wall of this time guide channel 11b of the wall of guide channel 11a on this, to be combined to form this guide channel.The ring-type setting of the bottom by this guide channel 11, and the also corresponding ring-type of this deposition space 111 is arranged at the bottom of this guide channel 11, can effectively increase accommodation space, make this deposition space 111 ccontaining more this carbide a and impurity, accumulate more this lubricating fluid simultaneously, it helps to improve the lubricating ability of this bearing 1, and prolongs the useful life of this motor 2.
In sum, the present invention is by this at least one guide channel 11 of outer peripheral face setting at this axis hole 10, one end of this guide channel 11 runs through first end face 12 of this bearing 1, and its other end does not then run through second end face 13 of this bearing 1, this deposition space 111 is formed on the bottom of this guide channel 11 simultaneously, so that the carbide a that this lubricating fluid produces or other impurity is precipitable is collected in this deposition space 111, avoid the lubricant effect of 221 of relative this axostylus axostyles of this lubricating fluid of this carbide a or impurity effect, make the present invention can reduce the frictional dissipation of 221 of this bearing 1 and this axostylus axostyles, and then prolong the useful life of this motor 2.
Claims (23)
1, a kind of bearing construction of motor is characterized in that, it comprises:
A motor, this motor are provided with a central siphon, a rotor, a stator and a dust preventing component, and this central siphon has an accommodation space, and this stator is incorporated into the outer peripheral face of this central siphon, and this rotor has an axostylus axostyle; And
A bearing, this bearing is provided with an axis hole and at least one guide channel, and this bearing has one first end face and one second end face in addition, this axis hole is arranged at the shaft core position of this bearing, this guide channel is arranged at the outer peripheral face of this axis hole, one end of this guide channel runs through this first end face, and the other end of this guide channel does not then run through this second end face, and the bottom of this guide channel is formed with a deposition space;
Wherein this bearing and dust preventing component correspondence are inserted the accommodation space of this central siphon, and this dust preventing component is adjacent to a side of this first end face.
2, the bearing construction of motor according to claim 1, it is characterized in that, this dust preventing component is provided with an axis hole, this axostylus axostyle correspondence is passed the axis hole of this bearing and the axis hole of this dust preventing component, and form a gap between the peritreme of the axis hole of this dust preventing component and this axostylus axostyle, this gap correspondence is positioned at the top of this guide channel.
3, the bearing construction of motor according to claim 1 is characterized in that, the degree of depth of this guide channel surpasses 1/2nd of this bearing integral height.
4, the bearing construction of motor according to claim 1 is characterized in that, this guide channel has an opening, the axis hole of this this bearing of opening radial communication, and the bore of this opening is less than this guide channel maximum inner diameter radially.
5, the bearing construction of motor according to claim 1 is characterized in that, this guide channel axially is formed at the outer peripheral face of this axis hole.
6, the bearing construction of motor according to claim 1 is characterized in that, a height fall is formed on the bottom of this guide channel, and the bottom of this guide channel forms this deposition space by this height fall.
7, the bearing construction of motor according to claim 6, it is characterized in that, an inclined plane is formed downwards on the bottom of this guide channel, this inclined plane has low ora terminalis and a higher ora terminalis, this higher ora terminalis should hang down ora terminalis near this axle center relatively, improved the intermarginal difference in height of this low ora terminalis and this higher-end and formed this deposition space.
8, the bearing construction of motor according to claim 1 is characterized in that, a ring groove is formed on the bottom of this guide channel, forms this deposition space by this ring groove.
9, the bearing construction of motor according to claim 8 is characterized in that, this deposition space is formed at the position away from the axis hole of this bearing.
10, the bearing construction of motor according to claim 1 is characterized in that, an end of this guide channel and this first end surfaces is provided with a guidance part.
11, a kind of bearing construction is characterized in that, it comprises:
One first end face, this first end face are an end face of this bearing;
One second end face, the other end that relative this first end face of this second end face is this bearing;
An axis hole, this axis hole is arranged at the shaft core position of this bearing, wears for an axostylus axostyle; And
At least one guide channel, this guide channel is formed at the outer peripheral face of this axis hole, and an end of this guide channel runs through this first end face, and the other end of this guide channel does not run through this second end face, and this guide channel is formed with a deposition space near an end of this second end face.
12, bearing construction according to claim 11 is characterized in that, this guide channel has an opening, the axis hole of this this bearing of opening radial communication, and the bore of this opening is less than this guide channel maximum inner diameter radially.
13, bearing construction according to claim 11 is characterized in that, this guide channel has a height fall near an end of this second end face, and this guide channel forms this deposition space near an end of this second end face by this height fall.
14, bearing construction according to claim 13, it is characterized in that, this guide channel forms an inclined plane downwards near an end of this second end face, this inclined plane has low ora terminalis and a higher ora terminalis, this higher ora terminalis is relative should to hang down ora terminalis near this axle center, hanged down the intermarginal difference in height of ora terminalis and this higher-end by this and formed this deposition space.
15, bearing construction according to claim 11 is characterized in that, this guide channel forms a ring groove near an end of this second end face, forms this deposition space by this ring groove.
16, bearing construction according to claim 15 is characterized in that, this deposition space is positioned at the position away from the axis hole of this bearing.
17, bearing construction according to claim 11 is characterized in that, the degree of depth of this guide channel surpasses 1/2nd of this bearing integral height.
18, bearing construction according to claim 11 is characterized in that, this guide channel axially is formed at the outer peripheral face of this axis hole.
19, bearing construction according to claim 11, it is characterized in that, this bearing is made of jointly a upper bearing (metal) portion and a lower bearing portion, this upper bearing (metal) portion is provided with one and goes up guide channel, and this lower bearing portion is provided with a following guide channel, and guide channel is formed this guide channel jointly to descending guide channel on this.
20, bearing construction according to claim 19 is characterized in that, this upper bearing (metal) portion is provided with an axis hole, and guide channel axially is formed at the outer peripheral face of the axis hole of this upper bearing (metal) portion on this, and upward the two ends of this upper bearing (metal) portion are run through at the two ends of guide channel respectively.
According to claim 19 or 20 described bearing constructions, it is characterized in that 21, this time guide channel is located at the end face of this lower bearing portion along the periphery ring of an axis hole of this lower bearing portion.
22, bearing construction according to claim 11 is characterized in that, an end of this guide channel and this first end surfaces is provided with a guidance part.
23, a kind of bearing construction is characterized in that, it comprises:
An axis hole, this axis hole is arranged at the shaft core position of this bearing, wears for an axostylus axostyle; And
At least one guide channel, this guide channel is axially set in the outer peripheral face of this axis hole, one end of this guide channel runs through an end face of this bearing, and the other end of this guide channel does not then run through the other end of this bearing, and the degree of depth of this guide channel surpasses 1/2nd of this bearing integral height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101235042A CN101335475B (en) | 2007-06-29 | 2007-06-29 | Bearing construction of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101235042A CN101335475B (en) | 2007-06-29 | 2007-06-29 | Bearing construction of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101335475A true CN101335475A (en) | 2008-12-31 |
| CN101335475B CN101335475B (en) | 2011-06-22 |
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ID=40197848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101235042A Expired - Fee Related CN101335475B (en) | 2007-06-29 | 2007-06-29 | Bearing construction of motor |
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| Country | Link |
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| CN (1) | CN101335475B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472320A (en) * | 2009-07-29 | 2012-05-23 | 大丰工业株式会社 | Sliding bearing |
| CN105987076A (en) * | 2015-03-23 | 2016-10-05 | 株式会社捷太格特 | Tapered roller bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2668920Y (en) * | 2003-12-25 | 2005-01-05 | 建准电机工业股份有限公司 | Dust-proofing structure for motor bearing |
| CN201065887Y (en) * | 2007-06-29 | 2008-05-28 | 建准电机工业股份有限公司 | Motor bearing structure |
-
2007
- 2007-06-29 CN CN2007101235042A patent/CN101335475B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472320A (en) * | 2009-07-29 | 2012-05-23 | 大丰工业株式会社 | Sliding bearing |
| CN105987076A (en) * | 2015-03-23 | 2016-10-05 | 株式会社捷太格特 | Tapered roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101335475B (en) | 2011-06-22 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
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