CN204327275U - For the floating bearing of exhaust-gas turbocharger - Google Patents
For the floating bearing of exhaust-gas turbocharger Download PDFInfo
- Publication number
- CN204327275U CN204327275U CN201420771099.0U CN201420771099U CN204327275U CN 204327275 U CN204327275 U CN 204327275U CN 201420771099 U CN201420771099 U CN 201420771099U CN 204327275 U CN204327275 U CN 204327275U
- Authority
- CN
- China
- Prior art keywords
- floating bearing
- exhaust
- gas turbocharger
- inlet passage
- inner chamber
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of floating bearing for exhaust-gas turbocharger, comprise floating bearing body, described floating bearing body has one for being set in the floating bearing inner chamber in turbine shaft, described floating bearing body outer wall is provided with the oil inlet passage of pair of opposing, described oil inlet passage and described floating bearing intracavity inter-connection, the inwall of described floating bearing inner chamber is provided with at least one annular oil storage tank.This is used for the floating bearing of exhaust-gas turbocharger, has large circular groove, is convenient to trapped fuel, forms high oil pressure, significantly improves lubrication effect.
Description
Technical field
The utility model relates to a kind of exhaust-gas turbocharger, especially relates to a kind of floating bearing for exhaust-gas turbocharger.
Background technique
Operationally, turbine rotor High Rotation Speed, floating bearing inside and outside footpath place's moment will have extreme pressure lubricant to lubricate to exhaust-gas turbocharger, otherwise pressurized machine will wear out failure within the extremely short time.So the matching gap of floating bearing and turbine rotor and middle case is very little, be 0.11mm with the gap of middle case, with the gap 0.06mm of turbine rotor, be beneficial to the high pressure forming lubricant oil, large flow velocity, to reach lubrication, to absorb the object of heat.Lubricant oil utilizes self gravitation after terminating lubrication, heat-absorbing action, simultaneously by the seal action of seal ring, the stop of turbine rotor sidewall, flows back to engine oil tank by drain pan, to reach the object that lubrication oil circulation utilizes.As shown in Figure 1, floating bearing of the prior art cannot form oil storage space, and turbine shaft, after working long hours continuously, is very easy to cause overheating failure, produces potential safety hazard.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of floating bearing for exhaust-gas turbocharger, have large circular groove, be convenient to trapped fuel, form high oil pressure, significantly improve lubrication effect.
For solving the problems of the technologies described above, the technical solution of the utility model is: for the floating bearing of exhaust-gas turbocharger, comprise floating bearing body, described floating bearing body has one for being set in the floating bearing inner chamber in turbine shaft, described floating bearing body outer wall is provided with the oil inlet passage of pair of opposing, described oil inlet passage and described floating bearing intracavity inter-connection, the inwall of described floating bearing inner chamber is provided with at least one annular oil storage tank.
Preferably, described annular oil storage tank only has one, and the position of described annular oil storage tank is corresponding with described oil inlet passage.
Have employed technique scheme, the beneficial effects of the utility model are: the inwall due to the inner chamber of this floating bearing is provided with at least one annular oil storage tank.This is used for the floating bearing of exhaust-gas turbocharger, has large circular groove, is convenient to trapped fuel, forms high oil pressure, significantly improves lubrication effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of floating bearing in prior art;
Fig. 2 is the structural representation of the utility model embodiment;
Wherein: 1, floating bearing body; 2, floating bearing inner chamber; 3, oil inlet passage; 4, annular oil storage tank.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, for the floating bearing of exhaust-gas turbocharger, comprise floating bearing body 1, floating bearing body 1 has one for being set in the floating bearing inner chamber 2 in turbine shaft, floating bearing body 1 outer wall is provided with the oil inlet passage 3 of pair of opposing, oil inlet passage 3 is connected with described floating bearing inner chamber 2, and the inwall of floating bearing inner chamber 2 is provided with at least one annular oil storage tank 4.
In the present embodiment, annular oil storage tank 4 only has one, and the position of described annular oil storage tank 4 is corresponding with described oil inlet passage 3.
The inwall of the inner chamber of this floating bearing is provided with at least one annular oil storage tank 4.This is used for the floating bearing of exhaust-gas turbocharger, has large circular groove, is convenient to trapped fuel, forms high oil pressure, significantly improves lubrication effect.
The utility model is not limited to above-mentioned concrete mode of execution, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection domain of the present utility model.
Claims (2)
1. for the floating bearing of exhaust-gas turbocharger, it is characterized in that, comprise floating bearing body, described floating bearing body has one for being set in the floating bearing inner chamber in turbine shaft, described floating bearing body outer wall is provided with the oil inlet passage of pair of opposing, described oil inlet passage and described floating bearing intracavity inter-connection, the inwall of described floating bearing inner chamber is provided with at least one annular oil storage tank.
2., as claimed in claim 1 for the floating bearing of exhaust-gas turbocharger, it is characterized in that, described annular oil storage tank only has one, and the position of described annular oil storage tank is corresponding with described oil inlet passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771099.0U CN204327275U (en) | 2014-12-09 | 2014-12-09 | For the floating bearing of exhaust-gas turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771099.0U CN204327275U (en) | 2014-12-09 | 2014-12-09 | For the floating bearing of exhaust-gas turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327275U true CN204327275U (en) | 2015-05-13 |
Family
ID=53163644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771099.0U Expired - Fee Related CN204327275U (en) | 2014-12-09 | 2014-12-09 | For the floating bearing of exhaust-gas turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327275U (en) |
-
2014
- 2014-12-09 CN CN201420771099.0U patent/CN204327275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20161209 |