CN101737154B - Air bearing for turbocharger - Google Patents
Air bearing for turbocharger Download PDFInfo
- Publication number
- CN101737154B CN101737154B CN 200910263836 CN200910263836A CN101737154B CN 101737154 B CN101737154 B CN 101737154B CN 200910263836 CN200910263836 CN 200910263836 CN 200910263836 A CN200910263836 A CN 200910263836A CN 101737154 B CN101737154 B CN 101737154B
- Authority
- CN
- China
- Prior art keywords
- lobe sheet
- main lobe
- sheet group
- bearing support
- inwall
- 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
Links
Images
Abstract
The invention provides an air bearing for a turbocharger. The air bearing comprises a bearing body (1), a main petal set and auxiliary petal sets, wherein the main petal set comprises a plurality of main petals (2) arranged on the inner wall of the bearing body (1); two auxiliary petal sets are arranged on the inner walls of the bearing body (1) at the two ends of the main petal set; each auxiliary petal set comprises a plurality of auxiliary petals (3); and a contingence angle R (1) between the auxiliary petal (3) and the inner wall of the bearing body (1) is greater than the contingence angle R (2) between the main petal (2) and the inner wall of the bearing body (1). The air bearing can ensure the running reliability of the turbocharger under a complex working condition.
Description
Technical field
The present invention relates to the pneumatic bearing of a kind of pneumatic bearing, particularly a kind of turbosupercharger.
Background technique
Adopt the turbosupercharger of pneumatic bearing to have series of advantages: to get rid of through the oil sealing lubricating oil leakage and stain the possibility of intercooler, also needn't advance in the pressurized machine setting, oil returning tube.
Because motor is variable parameter operation, especially public transport or plateau vehicle, its supercharger speed from 0.5 ten thousand turn/min～200,000 turn/min do not wait.The pneumatic bearing of the present turbosupercharger shown in Fig. 5-6, it comprises bearing support 1 and main lobe sheet group, and main lobe sheet group comprises a plurality of main lobe sheets 2, and main lobe sheet 2 is installed in the groove that the inwall of bearing support 1 opens; This pneumatic bearing only is provided with one group of limb, it is difficult to provide reliable boundary layer of air to satisfy simultaneously the reliability that the turbosupercharger high and low rotating speed frequently replaces operating mode, when turbosupercharger during at slow-speed of revolution long-play, because rotor shaft and the pneumatic bearing of pneumatic bearing can not form effective boundary layer of air, often cause turbosupercharger generation burning machine and engine power degradation phenomenon.
Summary of the invention
The pneumatic bearing that the objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of turbosupercharger is provided, it can ensure turbosupercharger maintainability under complex working condition.
Technological scheme of the present invention is: a kind of pneumatic bearing of turbosupercharger, it comprises bearing support, main lobe sheet group and secondary lobe sheet group, main lobe sheet group comprises a plurality of main lobe sheets, the main lobe sheet is installed on the inwall of bearing support, secondary lobe sheet group is two groups, it designs respectively on the inwall of the bearing support at the two ends of main lobe sheet group, and each secondary lobe sheet group includes a plurality of secondary lobe sheets.
The further technological scheme of the present invention is: described secondary lobe sheet is larger with the angle of contingence R2 of the inwall of bearing support than main lobe sheet with the angle of contingence R1 of the inwall of bearing support.
The present invention compared with prior art has following features:
The present invention combines by major and minor limb and has ensured turbosupercharger maintainability under complex working condition.
Below in conjunction with the drawings and specific embodiments detailed construction of the present invention is further described.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is working principle schematic representation of the present invention;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of the pneumatic bearing of existing turbosupercharger;
Fig. 6 is the left view of Fig. 5.
Embodiment
Embodiment
Shown in Fig. 1-2: a kind of pneumatic bearing of turbosupercharger, it comprises bearing support 1, main lobe sheet group and secondary lobe sheet group, main lobe sheet group comprises a plurality of main lobe sheets 2, main lobe sheet 2 is installed in the groove that the inwall of bearing support 1 opens, be respectively equipped with secondary lobe sheet group on the inwall of the bearing support 1 at the two ends of main lobe sheet group, each secondary lobe sheet group includes a plurality of secondary lobe sheets 3, and secondary lobe sheet 3 is larger with the angle of contingence R2 of the inwall of bearing support 1 than main lobe sheet 2 with the angle of contingence R1 of the inwall of bearing support 1.
Working principle: as shown in Figure 3-4, turbocharger rotor axle 4 be lower than 30,000 turn/during min and secondary lobe sheet 3 form effective boundary layer of air, ensure that turbosupercharger reliably turns round at low speed; Turbocharger rotor axle 4 be higher than 30,000 turn/during min and main lobe sheet 2 form effective boundary layer of air, ensure that pressurized machine reliably turns round when high speed; This pneumatic bearing combines by major and minor limb and has ensured turbosupercharger maintainability under complex working condition.
The present invention is not limited to above-mentioned concrete structure, so long as the pneumatic bearing that is respectively equipped with secondary lobe sheet group at the inwall of the bearing support 1 at the two ends of main lobe sheet group just drops within protection scope of the present invention.
Claims (2)
1. the pneumatic bearing of a turbosupercharger, it comprises bearing support (1) and main lobe sheet group, main lobe sheet group comprises a plurality of main lobe sheets (2), main lobe sheet (2) is installed on the inwall of bearing support (1), it is characterized in that: it also comprises secondary lobe sheet group, secondary lobe sheet group is two groups, and it designs respectively on the inwall of the bearing support (1) at the two ends of main lobe sheet group, and each secondary lobe sheet group includes a plurality of secondary lobe sheets (3); Secondary lobe sheet (3) is not identical with the angle of contingence of the inwall of the same bearing support of main lobe sheet (2) (1), so that turbocharger rotor axle (4) can form effective boundary layer of air in main lobe sheet group or secondary lobe sheet group when different rotating speeds, ensure that turbosupercharger turns round reliably under complex working condition.
2. the pneumatic bearing of a kind of turbosupercharger according to claim 1 is characterized in that: described secondary lobe sheet (3) is larger with the angle of contingence R2 of the inwall of bearing support (1) than main lobe sheet (2) with the angle of contingence R1 of the inwall of bearing support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910263836 CN101737154B (en) | 2009-12-10 | 2009-12-10 | Air bearing for turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910263836 CN101737154B (en) | 2009-12-10 | 2009-12-10 | Air bearing for turbocharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737154A CN101737154A (en) | 2010-06-16 |
| CN101737154B true CN101737154B (en) | 2013-03-27 |
Family
ID=42461098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910263836 Expired - Fee Related CN101737154B (en) | 2009-12-10 | 2009-12-10 | Air bearing for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737154B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277184B (en) * | 2013-05-27 | 2015-09-09 | 北京理工大学 | Vertical turbocharger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060014159A (en) * | 2004-08-10 | 2006-02-15 | 삼성전자주식회사 | Air foil bearing |
| EP1980761A2 (en) * | 2007-04-12 | 2008-10-15 | Hamilton Sundstrand Corporation | Weight reduction for journal air bearing |
-
2009
- 2009-12-10 CN CN 200910263836 patent/CN101737154B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060014159A (en) * | 2004-08-10 | 2006-02-15 | 삼성전자주식회사 | Air foil bearing |
| EP1980761A2 (en) * | 2007-04-12 | 2008-10-15 | Hamilton Sundstrand Corporation | Weight reduction for journal air bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101737154A (en) | 2010-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203614212U (en) | Turbo-charging system | |
| CN102425464B (en) | First bearing cover of engine cylinder cover | |
| CN201581982U (en) | Air bearing of turbocharger | |
| CN101737154B (en) | Air bearing for turbocharger | |
| CN102606285A (en) | Turbocharger with two-stage supercharging function | |
| CN204827541U (en) | Full floating bearing turbo charger rotor system | |
| CN104989461B (en) | Full floating bearing turbocharger rotor-support-foundation system | |
| CN103912577A (en) | Split-type turbocharger thrust bearing | |
| CN201230236Y (en) | Homopolarity resistance-free motor for hybrid power automobile | |
| CN202178649U (en) | Oil seal structure for high-speed motor | |
| CN202560469U (en) | Louver blade generator | |
| CN204163868U (en) | A kind of variable gear ratio composite turbine system | |
| CN204646413U (en) | Exhaust-gas turbocharger gas compressor end sealing configuration | |
| CN203756726U (en) | Split-type turbosupercharger thrust bearing | |
| CN204805161U (en) | Cylinder body assembly of vehicle air compressor | |
| CN104314695A (en) | Variable speed ratio combined turbine system and application method thereof | |
| CN203891944U (en) | Waste gas surplus energy utilization device and system for supercharged engine | |
| CN205677718U (en) | A kind of high-efficiency engine | |
| CN204729167U (en) | A kind of engine charge pressurization system and motor turnover gas system | |
| CN102852976A (en) | Turbocharger oil film suspension sliding bearing | |
| CN103727071A (en) | Variable pressure expander of pressurizer gas compressor | |
| CN203097956U (en) | Improved rotor sealing structure of turbocharger | |
| CN203669994U (en) | Automobile power generator with pressurizing device | |
| CN102852630A (en) | Suspension supporting structure of low damping oil of turbocharger | |
| CN203063935U (en) | Exhaust pipe of electric vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |