CN102278154A - Rotor supporting mechanism for rolling bearing turbocharger - Google Patents
Rotor supporting mechanism for rolling bearing turbocharger Download PDFInfo
- Publication number
- CN102278154A CN102278154A CN201110242231XA CN201110242231A CN102278154A CN 102278154 A CN102278154 A CN 102278154A CN 201110242231X A CN201110242231X A CN 201110242231XA CN 201110242231 A CN201110242231 A CN 201110242231A CN 102278154 A CN102278154 A CN 102278154A
- Authority
- CN
- China
- Prior art keywords
- rolling bearing
- bearing
- turbocharger
- thrust
- supporting mechanism
- 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.)
- Pending
Links
Images
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supercharger (AREA)
Abstract
The invention belongs to the field of turbochargers for internal combustion engines, in particular to a rotor supporting mechanism for a rolling bearing turbocharger. The rotor supporting mechanism comprises a bearing bush and two springs, two thrust sleeves and two bearings which are arranged in the bearing bush, wherein the two springs are symmetrically arranged in the bearing bush and are mutually connected; the two thrust sleeves are respectively used for sleeving the springs into the thrust sleeves from the end parts of the two springs and applying a pre-tightening force; the two bearings are respectively arranged at the parts on the end faces of the thrust sleeves; and the two bearing are respectively angle-contacted rolling bearings. The invention has the advantages that a ceramic rolling bearing is used to replace a general floating bearing, thus mechanical efficiency and the transient response ability of the turbocharger are improved; the problem about vibration of the rolling bearing turbocharger is solved; the steady state performance of the turbocharger is improved; the service life of the turbocharger is prolonged; the support rigidity of the rolling bearing is improved; the limit rotating speed of the rolling bearing is increased; the requirement on high-speed rotation of the turbocharger is met; the problem about the lubrication of the turbocharger is solved; the operation reliability of the turbocharger is improved; a force transfer system is balanced; and the requirement for normal work of the rolling bearing turbocharger is met.
Description
Technical field
The invention belongs to the internal-combustion engine field of turbochargers, specifically is a kind of rotor supporting mechanism of rolling bearing turbosupercharger.
Background technique
As everyone knows, turbosupercharger is to be used for being higher than under the atmospheric pressure (supercharging), with the device of the suction port of air IC engine supply.Traditional turbosupercharger comprises exhaust-driven turbine wheel, and described exhaust-driven turbine wheel is installed on the interior running shaft of turbine case, and described turbine case is bonded on the downstream of engine export manifold.The rotation of turbine wheel drives the rotation of the compressor impeller in the pressure shell on the other end.Compressor impeller arrives the engine air admittance manifold with compressed air delivery.The rotor of turbosupercharger is supported by the bearing arrangement in the bearing support.
In fact turbosupercharger is exactly a kind of special air compressor.High temperature, high pressure exhaust gas that it utilizes motor to discharge, inertia impulsive force promote the turbine in the turbine case.Exhaust gas turbine drives coaxial compressor turbine again, and the air that force feed is sent here by the air-strainer pipeline makes it supercharging and enters cylinder.Through turbosupercharging, the air that enters cylinder is more than the air that the natural aspiration mode enters cylinder, thereby can burn more fuel, improved combustion process, reduced combustion noise, reduce discharge of harmful gases, increased the Economy of fuel oil, improved the mechanical efficiency and the output power of motor.The turbosupercharging great advantage is not strengthen power and the moment of torsion that engine displacement just can improve motor significantly, and generally speaking, the power and the moment of torsion that install the motor behind the pressurized machine additional will increase 20-30%.
Generally speaking, the rotor-bearing system of turbosupercharger adopts floating bearing mostly.The advantage of floating bearing is the rotating speed height, and noise is little, operates steadily.But because the work characteristics of vehicle turbocharger: when vehicle launch, pressurized machine can not obtain the lubricated of lubricant oil immediately, and is bigger to the bearing injury, and the sensitivity of floating bearing is also relatively poor, can cause turbo lag in throttle, forms the turbo lag effect.
Summary of the invention
The objective of the invention is to use the shortcoming of the existing floating bearing poor sensitivity of floating bearing at the rotor-bearing system of turbosupercharger in the above-mentioned technology, a kind of rotor supporting mechanism of rolling bearing turbosupercharger is proposed, this rotor supporting mechanism is by changing original floating bearing into rolling bearing, thrust bearing need do not used simultaneously, do not re-use thrust bearing, reduced the quantity of part, saved cost, the reliability of system is provided.
The technological scheme that realizes the object of the invention is as follows:
The rotor supporting mechanism of rolling bearing turbosupercharger, it comprises bearing housing and is located at bearing housing interior two springs, two thrust housings and two bearings, two springs are symmetricly set in the bearing housing and interconnect, two thrust housings pack into spring in the thrust housing from the end of two springs respectively and apply pretightening force, two bearings are located at the end face area of thrust housing respectively, and two bearings all are the rolling bearing of angle contacting.
By this technological scheme, adopt rolling bearing to replace normally used floating bearing, solved the turbo lag problem, improved the mechanical efficiency and the transient response ability of turbosupercharger; The rotor supporting mechanism of this turbosupercharger has respectively been installed a spring in the inboard of rolling bearing, as thermal compensation device, to eliminate the thermal stress between the parts, simultaneously, spring also is applied with certain pretightening force in the installation process of reality, be equivalent to play the effect of level pressure pretension, can eliminate axial internal clearance, prevent that rolling bearing from skidding, and can improve the support stiffness of rolling bearing, the support stiffness of rolling bearing is high more, and its corresponding limit speed is also just high more.Therefore, the fit of this level pressure pretension can provide the working speed of rolling bearing to a certain extent, satisfies the requirement of the high rotating speed operation of turbosupercharger; Calm the anger the wheel on axial force transmission to the interior ring of fore bearing, because what select for use is angular contact bearing, axial force can be delivered on the thrust housing of back by ball and outer shroud, thrust housing by spring with axial force transmission to the second thrust housing, second thrust housing is again with the outer shroud of axial force transmission to rear bearing, interior ring by this angular contact bearing again with axial force transmission to turbine shaft, when this support mechanism is fit into turbosupercharger and the intermediate in the turbosupercharger certain clearance is arranged, the gap is used to fill oil film and produces squeeze film damper, bearing housing is fixed on the endoporus of intermediate with pin, during the turbosupercharger proper functioning, lubricant oil can be full of the gap between them, oil film can hold up whole rotor-support-foundation system, form squeeze film damper, can reduce the vibration of turbocharger operation so greatly, thereby improve the life-span and the reliability of turbosupercharger, during the turbosupercharger proper functioning, having oil film is full of wherein, form film damper, it can absorb vibration, guarantees the steady running of rotor.
Described rolling bearing is a ceramic rolling bearing.Centrifugal force and gyrostatic moment that rolling element produces are directly proportional with its density of material, and the density of making the silicon nitride (Si3N4) of ceramic bearing only is 40% of Bearing Steel, adopt ceramic rolling bearing to help satisfying high-revolving requirement; The Young's modulus of stupalith is big, and thermal expansion coefficient is 25% of a steel only, makes ceramic rolling bearing have rigidity height, advantage that radial clearance is stable., applied pretightening force simultaneously
Rolling bearing that rolling bearing is a bearing radial force in the described rolling bearing, another is the rolling bearing of thrust.This rotor supporting mechanism does not need to use separately common floating bearing turbosupercharger thrust bearing commonly used, has reduced the quantity and the cost of part, and the reliability of system is provided.
Described spring is the thermal compensation parts.Rotor-support-foundation system has respectively been installed a spring in the inboard of rolling bearing, as thermal compensation device, to eliminate the thermal stress between the parts, simultaneously, spring also is applied with certain pretightening force in the installation process of reality, is equivalent to play the effect of level pressure pretension, can eliminate axial internal clearance, prevent that ceramic rolling bearing from skidding, and can improve the support stiffness of bearing.The support stiffness of rolling bearing is high more, and its corresponding limit speed is also just high more, and therefore, the fit of this level pressure pretension can provide the working speed of rolling bearing, satisfies the requirement of the high rotating speed operation of turbosupercharger.
Described bearing housing is provided with oilhole, and the side face of thrust housing is provided with oil leab, is provided with spray-hole in the thrust housing, and spray-hole is communicated with oil leab and will exports aims at rolling bearing, and oilhole is aimed at oil leab.Form two oil circuits between bearing housing and two thrust housings and two rolling bearings, after pressure lubrication oil enters circular oil leab by oilhole, enter spray-hole by oil leab, by spray-hole lubricant oil is spurted in the rolling bearing with the form of mist of oil at last.
Described spray-hole is injected into mist of oil with lubricant oil.
Advantage of the present invention is to adopt ceramic rolling bearing to replace common floating bearing, such support mechanism has solved the problem of turbo lag, the mechanical efficiency and the transient response ability of turbosupercharger have been improved, adopt the shock-absorbing bearing structure of squeeze film damper, solved the vibration problem of rolling bearing turbosupercharger, the steady-state behaviour and the life-span of pressurized machine have been improved, adopt the bearing fit of level pressure pretension, improved the support stiffness of rolling bearing, thereby promoted the limit speed of rolling bearing, satisfied the requirement that turbosupercharger runs up, adopt the double flow channel lubrication system, solved the lubrication problem of pressurized machine, improved rolling bearing pressurized machine reliability of operation, the actuating system of balance has satisfied the demand of rolling bearing turbosupercharger proper functioning.
Description of drawings
Fig. 1 is a fractionation structural representation of the present invention;
Fig. 2 is an internal structure sectional view of the present invention.
Embodiment
As Fig. 1, shown in Figure 2, the rotor supporting mechanism of rolling bearing turbosupercharger, it comprises bearing housing and is located at two springs in the bearing housing 1, two thrust housings and two bearings, two springs are respectively spring 4, spring 4 ', two thrust housings are respectively thrust housing 3, thrust housing 3 ', two rolling bearings 2 that bearing is an angle contacting, rolling bearing 2 ', spring 4 and spring 4 ' be symmetricly set in the bearing housing 1 also interconnect, two thrust housings pack into spring in the thrust housing 1 from the end of two springs respectively and apply pretightening force, thrust housing 3 is located at the left side of spring 4, spring 4 inserts in the thrust housing 3, thrust housing 3 ' be located at spring 4 ' right side, spring 4 ' insertion thrust housing 3 ' in, two bearings are located at the end face area of thrust housing respectively, be that rolling bearing 2 is located on the left side of thrust housing 3, rolling bearing 2 ' be located at thrust housing 3 ' the right side, bearing housing 1 is fixed on the intermediate of turbosupercharger by locating stud 5, rolling bearing 2 is connected with the wheel of calming the anger, rolling bearing 2 ' be connected with turbine, calm the anger the wheel on axial force, be delivered on the interior ring of rolling bearing 2 by the axle envelope, because what select for use is angular contact bearing, axial force can be delivered on the thrust housing 3 by ball and outer shroud, thrust housing 3 by spring 4 with axial force transmission to the second spring 4 ', to thrust housing 3 ', thrust housing 3 ' again with axial force transmission to rolling bearing 2 ' outer shroud, the interior ring by this angular contact bearing again with axial force transmission to turbine shaft.
In the above-mentioned mode of execution, rolling bearing 2 and rolling bearing 2 ' can be ceramic rolling bearing.Centrifugal force and gyrostatic moment that rolling element produces are directly proportional with its density of material, and the density of making the silicon nitride (Si3N4) of ceramic bearing only is 40% of Bearing Steel, adopt ceramic rolling bearing to help satisfying high-revolving requirement; The Young's modulus of stupalith is big, and thermal expansion coefficient is 25% of a steel only, makes ceramic rolling bearing have rigidity height, advantage that radial clearance is stable.
In the above-mentioned mode of execution, rolling bearing 2 that rolling bearing is a bearing radial force in the rolling bearing, another for the rolling bearing 2 of thrust '.This rotor supporting mechanism does not need to use common floating bearing turbosupercharger thrust bearing commonly used, has reduced the quantity and the cost of part, and the reliability of system is provided.
In the above-mentioned mode of execution, spring 4 and spring 4 ' be the thermal compensation parts.Rotor-support-foundation system has respectively been installed a spring in the inboard of rolling bearing, as thermal compensation device, to eliminate the thermal stress between the parts, simultaneously, spring also is applied with certain pretightening force in the installation process of reality, is equivalent to play the effect of level pressure pretension, can eliminate axial internal clearance, prevent that ceramic rolling bearing from skidding, and can improve the support stiffness of bearing.The support stiffness of rolling bearing is high more, and its corresponding limit speed is also just high more, and therefore, the fit of this level pressure pretension can satisfy the requirement of the high rotating speed operation of turbosupercharger at the maximal work rotating speed that improves rolling bearing.
In the above-mentioned mode of execution, bearing housing 1 is provided with oilhole 1a, thrust housing 3 and thrust housing 3 ' side face be provided with oil leab 3a, be provided with spray-hole 3b in the thrust housing, spray-hole 3b be communicated with oil leab 3a and will export aim at rolling bearing 2 and rolling bearing 2 ', oilhole 1a aims at oil leab 3a.Form two oil circuits between bearing housing and two thrust housings and two rolling bearings, after pressure lubrication oil enters circular oil leab by oilhole, enter spray-hole by oil leab, by spray-hole lubricant oil is spurted in the rolling bearing with the form of mist of oil at last.
In the above-mentioned mode of execution, spray-hole 3b is injected into mist of oil with lubricant oil.
Claims (6)
1. the rotor supporting mechanism of rolling bearing turbosupercharger, it comprises bearing housing and is located at bearing housing interior two springs, two thrust housings and two bearings, two springs are symmetricly set in the bearing housing and interconnect, two thrust housings pack into spring in the thrust housing from the end of two springs respectively and apply pretightening force, two bearings are located at the end face area of thrust housing respectively, and two bearings all are the rolling bearing of angle contacting.
2. the rotor supporting mechanism of rolling bearing turbosupercharger according to claim 1 is characterized in that: described rolling bearing is a ceramic rolling bearing.
3. the rotor supporting mechanism of rolling bearing turbosupercharger according to claim 1 and 2 is characterized in that: rolling bearing that rolling bearing is a bearing radial force in the described rolling bearing, another is the rolling bearing of thrust.
4. the rotor supporting mechanism of rolling bearing turbosupercharger according to claim 1 is characterized in that: described spring is the thermal compensation parts, has applied pretightening force simultaneously.
5. the rotor supporting mechanism of rolling bearing turbosupercharger according to claim 1, it is characterized in that: described bearing housing is provided with oilhole, the side face of thrust housing is provided with oil leab, be provided with spray-hole in the thrust housing, spray-hole is communicated with oil leab and will exports aims at rolling bearing, and oilhole is aimed at oil leab.
6. the rotor supporting mechanism of rolling bearing turbosupercharger according to claim 5 is characterized in that: described spray-hole is injected into mist of oil with lubricant oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242231XA CN102278154A (en) | 2011-08-23 | 2011-08-23 | Rotor supporting mechanism for rolling bearing turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242231XA CN102278154A (en) | 2011-08-23 | 2011-08-23 | Rotor supporting mechanism for rolling bearing turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102278154A true CN102278154A (en) | 2011-12-14 |
Family
ID=45103841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110242231XA Pending CN102278154A (en) | 2011-08-23 | 2011-08-23 | Rotor supporting mechanism for rolling bearing turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278154A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104600A (en) * | 2013-02-28 | 2013-05-15 | 中冶南方工程技术有限公司 | Method for axially fixing bearings by using elastic members |
| CN106050328A (en) * | 2015-04-01 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Turbocharger journal bearing system |
| CN108518284A (en) * | 2018-04-18 | 2018-09-11 | 常州环能涡轮动力股份有限公司 | Turbojet engine and its oil channel structures |
| CN111412068A (en) * | 2020-03-27 | 2020-07-14 | 中国科学院工程热物理研究所 | Quick-response active control mechanism for rotor support rigidity |
| CN112112901A (en) * | 2020-09-11 | 2020-12-22 | 张家港市鑫宝机械密封件有限公司 | Mechanical sealing device with self-adaptive sealing type |
| CN112503099A (en) * | 2020-11-23 | 2021-03-16 | 人本股份有限公司 | Axial installation shock-absorbing bearing seat of bearing |
| CN112815012A (en) * | 2019-11-18 | 2021-05-18 | 珠海格力电器股份有限公司 | Bearing assembly |
| CN115898569A (en) * | 2022-11-23 | 2023-04-04 | 贵州永红航空机械有限责任公司 | Aviation turbine bearing pre-tightening structure |
| CN117386724A (en) * | 2023-12-13 | 2024-01-12 | 杭州一佳精密轴承有限公司 | Turbocharger ball bearing suitable for large-displacement diesel engine and manufacturing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652219A (en) * | 1985-05-30 | 1987-03-24 | Teledyne Industries, Inc. | Turbocharger having a preloaded bearing assembly |
| US4721441A (en) * | 1984-09-03 | 1988-01-26 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Bearing device for turbocharger |
| CN1382897A (en) * | 2001-04-24 | 2002-12-04 | 通用汽车公司 | High thrust turbosupercharger rotor with ball bearing |
| JP2005171796A (en) * | 2003-12-09 | 2005-06-30 | Koyo Seiko Co Ltd | Bearing device for turbocharger |
| CN1890475A (en) * | 2003-12-10 | 2007-01-03 | 株式会社捷太格特 | Bearing device for turbocharger |
| JP2009204004A (en) * | 2008-02-26 | 2009-09-10 | Jtekt Corp | Bearing device for turbocharger |
| JP2010096120A (en) * | 2008-10-17 | 2010-04-30 | Jtekt Corp | Bearing device for turbocharger |
| CN202250260U (en) * | 2011-08-23 | 2012-05-30 | 常州环能涡轮动力有限公司 | Rotor supporting mechanism for rolling bearing turbocharger |
-
2011
- 2011-08-23 CN CN201110242231XA patent/CN102278154A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721441A (en) * | 1984-09-03 | 1988-01-26 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Bearing device for turbocharger |
| US4652219A (en) * | 1985-05-30 | 1987-03-24 | Teledyne Industries, Inc. | Turbocharger having a preloaded bearing assembly |
| CN1382897A (en) * | 2001-04-24 | 2002-12-04 | 通用汽车公司 | High thrust turbosupercharger rotor with ball bearing |
| JP2005171796A (en) * | 2003-12-09 | 2005-06-30 | Koyo Seiko Co Ltd | Bearing device for turbocharger |
| CN1890475A (en) * | 2003-12-10 | 2007-01-03 | 株式会社捷太格特 | Bearing device for turbocharger |
| JP2009204004A (en) * | 2008-02-26 | 2009-09-10 | Jtekt Corp | Bearing device for turbocharger |
| JP2010096120A (en) * | 2008-10-17 | 2010-04-30 | Jtekt Corp | Bearing device for turbocharger |
| CN202250260U (en) * | 2011-08-23 | 2012-05-30 | 常州环能涡轮动力有限公司 | Rotor supporting mechanism for rolling bearing turbocharger |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104600A (en) * | 2013-02-28 | 2013-05-15 | 中冶南方工程技术有限公司 | Method for axially fixing bearings by using elastic members |
| CN103104600B (en) * | 2013-02-28 | 2015-06-17 | 中冶南方工程技术有限公司 | Method for axially fixing bearings by using elastic members |
| CN106050328A (en) * | 2015-04-01 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Turbocharger journal bearing system |
| CN106050328B (en) * | 2015-04-01 | 2018-03-02 | 通用汽车环球科技运作有限责任公司 | Turbocharger bearing of journals system |
| CN108518284A (en) * | 2018-04-18 | 2018-09-11 | 常州环能涡轮动力股份有限公司 | Turbojet engine and its oil channel structures |
| CN108518284B (en) * | 2018-04-18 | 2024-03-22 | 常州环能涡轮动力股份有限公司 | Turbojet engine and oil path structure thereof |
| CN112815012A (en) * | 2019-11-18 | 2021-05-18 | 珠海格力电器股份有限公司 | Bearing assembly |
| CN111412068B (en) * | 2020-03-27 | 2021-02-12 | 中国科学院工程热物理研究所 | Quick-response active control mechanism for rotor support rigidity |
| CN111412068A (en) * | 2020-03-27 | 2020-07-14 | 中国科学院工程热物理研究所 | Quick-response active control mechanism for rotor support rigidity |
| CN112112901A (en) * | 2020-09-11 | 2020-12-22 | 张家港市鑫宝机械密封件有限公司 | Mechanical sealing device with self-adaptive sealing type |
| CN112112901B (en) * | 2020-09-11 | 2022-04-15 | 大庆爱力特泵业有限公司 | Mechanical sealing device with self-adaptive sealing type |
| CN112503099A (en) * | 2020-11-23 | 2021-03-16 | 人本股份有限公司 | Axial installation shock-absorbing bearing seat of bearing |
| CN115898569A (en) * | 2022-11-23 | 2023-04-04 | 贵州永红航空机械有限责任公司 | Aviation turbine bearing pre-tightening structure |
| CN117386724A (en) * | 2023-12-13 | 2024-01-12 | 杭州一佳精密轴承有限公司 | Turbocharger ball bearing suitable for large-displacement diesel engine and manufacturing method |
| CN117386724B (en) * | 2023-12-13 | 2024-03-01 | 杭州一佳精密轴承有限公司 | Turbocharger ball bearing suitable for large-displacement diesel engine and manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102278154A (en) | Rotor supporting mechanism for rolling bearing turbocharger | |
| US8469657B2 (en) | Optimized turbocharger bearing system | |
| EP3511577B1 (en) | Bearing assembly with damping features | |
| CN103244257B (en) | Turbocharger bearing anti-rotation plate | |
| US9879689B2 (en) | Turbocharger rotating assembly | |
| US6739845B2 (en) | Compact turbocharger | |
| CN102322336A (en) | Rolling bearing turbocharger | |
| JP5425097B2 (en) | Turbocharger device for piston engine | |
| US9664063B2 (en) | Turbocharger comprising a floating bush bearing | |
| CN104685183A (en) | An oil-free turbocharger bearing assembly having conical shaft supported on compliant gas bearings | |
| CN202250260U (en) | Rotor supporting mechanism for rolling bearing turbocharger | |
| CN101910581A (en) | Supercharger arrangement for a piston engine | |
| CN204755000U (en) | Turbo charger of semifloating bearing with collect and float and thrust function in an organic whole | |
| WO2015002774A1 (en) | Turbine-end bearing support and cooling system | |
| JP2014520992A (en) | Drivetrain, especially vehicle drivetrain | |
| CN106050332B (en) | Turbocharger bearing assembly | |
| CN102128062A (en) | Rotor shafting structure for ball-bearing turbocharger | |
| US20160215785A1 (en) | Turbocharger with a hybrid journal bearing system | |
| CN104975889A (en) | Turbo-supercharger with semi-floating bearing integrating floating and thrusting functions | |
| CN202250257U (en) | Squeeze film damper for rolling bearing turbocharger | |
| CN104930052A (en) | Turbocharger integral type bearing with locating mechanism | |
| CN105814286B (en) | Bearing arrangement and exhaust-driven turbo-charger exhaust-gas turbo charger for exhaust-driven turbo-charger exhaust-gas turbo charger | |
| CN202273714U (en) | Antifriction bearing turbocharger | |
| CN204755574U (en) | Integral bearing of turbo charger with positioning mechanism | |
| CN103398095A (en) | Thrust bearing and engine supercharger having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111214 |