CN111810298B - Three ball bearing turbochargers - Google Patents
Three ball bearing turbochargers Download PDFInfo
- Publication number
- CN111810298B CN111810298B CN202010813891.8A CN202010813891A CN111810298B CN 111810298 B CN111810298 B CN 111810298B CN 202010813891 A CN202010813891 A CN 202010813891A CN 111810298 B CN111810298 B CN 111810298B
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- Prior art keywords
- bearing
- turbine
- transmission shaft
- intermediate body
- ball bearing
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 31
- 238000009792 diffusion process Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Supercharger (AREA)
Abstract
The invention relates to the technical field of turbochargers, in particular to a three-ball bearing turbocharger which comprises an air compressor shell, an intermediate body and a turbine shell, wherein the intermediate body is arranged between the air compressor shell and the turbine shell, a transmission shaft is arranged in the intermediate body in a penetrating manner, the left end and the right end of the transmission shaft extend into the air compressor shell and the turbine shell respectively, an impeller is sleeved at the end of the transmission shaft positioned in the air compressor shell, a turbine is sleeved at the end of the transmission shaft positioned in the turbine shell, and a bearing assembly is arranged between the intermediate body and the transmission shaft.
Description
Technical Field
The invention relates to the technical field of turbochargers, in particular to a three-ball bearing turbocharger.
Background
The turbocharger is not a power source, and works by utilizing the residual energy in the exhaust gas of the engine, and has the advantages of supplying more air to the engine, arranging the turbocharger on an engine exhaust pipe, pushing the turbine to rotate by the exhaust gas discharged by an engine cylinder, driving the impeller to pressurize the air filtered by the air filter and then sending the air into the cylinder, and because the air entering the cylinder is increased, the fuel oil is more fully combusted, so that the engine generates more power, and the turbocharger has the advantages of improving the power, reducing the fuel consumption rate, increasing the low-speed torque, reducing the exhaust pollution and the like under the condition that the structure of the gasoline engine is unchanged, so the turbocharger is widely used as a power auxiliary device.
The traditional turbocharger equipped with the floating bearing has low mechanical efficiency, large rotation resistance and obvious turbo hysteresis effect, and on vehicles pursuing high acceleration performance and high drivability, the hysteresis effect can cause poor acceleration performance of an engine, the requirements of high-performance automobiles cannot be met, and the traditional double-ball bearing turbocharger has insufficient bearing capacity for large-size turbines and impellers, has lower service life and is insufficient in reliability.
There is therefore a need to develop a three ball bearing turbocharger that addresses the above-described issues.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the three-ball bearing turbocharger, which solves the problems of low mechanical efficiency, obvious turbo hysteresis effect, poor engine acceleration performance and insufficient reliability of vehicles pursuing high acceleration performance and high driving performance of the traditional turbocharger with the floating bearing through a series of structural designs and uses.
The invention is realized by the following technical scheme:
The three-ball bearing turbocharger comprises a compressor shell, an intermediate body and a turbine shell, wherein the intermediate body is arranged between the compressor shell and the turbine shell, a transmission shaft is arranged in the intermediate body in a penetrating manner, the left end and the right end of the transmission shaft extend into the compressor shell and the turbine shell respectively, an impeller is sleeved at the end of the transmission shaft in the compressor shell, a turbine is sleeved at the end of the transmission shaft in the turbine shell, and a bearing assembly is arranged between the intermediate body and the transmission shaft;
The bearing assembly comprises a bearing sleeve, a ball bearing, a pre-tightening spring and a spring cover, wherein the bearing sleeve is embedded in the middle body, two groups of ball bearings which are tightly installed side by side are embedded in the inner end part of the bearing sleeve, the pre-tightening spring is sleeved in a round hole in the bearing sleeve, one end of the pre-tightening spring is fixedly connected with the bearing sleeve, the other end of the pre-tightening spring is fixedly connected with the spring cover, the spring cover on the side far away from the turbine is abutted to compress the ball bearings, and the ball bearings are embedded in the bearing sleeve on the side far away from the turbine.
Preferably, a pressure expansion plate is in sealing and fixed fit with one side of the compressor shell, which is close to the intermediate body, the pressure expansion plate is in sealing and fixed connection with the intermediate body, a shaft seal is sleeved on the transmission shaft between the impeller and the bearing assembly, one side of the shaft seal is abutted to the bearing assembly, and the other side of the shaft seal is abutted to the impeller.
Preferably, the intermediate body is also provided with an oil inlet and an oil outlet respectively.
Preferably, the turbine casing and the intermediate body are fixedly connected through a turbine end clamping hoop in a matched mode, the compressor casing and the diffuser plate are fixedly connected through an overpressure end clamping hoop in a matched mode, the intermediate body is fixedly connected with the diffuser plate in a matched mode through a fastening bolt, and a heat shield is arranged between the turbine casing and the intermediate body.
Preferably, an O-shaped ring for sealing fit is arranged between the pressure expansion plate and the intermediate body.
Preferably, a pressure end sealing ring for sealing fit is arranged between the shaft seal and the diffusion plate.
Preferably, a vortex end sealing ring for sealing fit is arranged between one side of the transmission shaft close to the turbine and the intermediate body.
Preferably, a positioning pin is further arranged between the bearing sleeve and the intermediate body, the outer side of the bearing assembly is tightly abutted to the pressure expansion plate, and the pressure expansion plate is used for further positioning and fixing the positioning pin and the bearing sleeve.
Preferably, the ball bearing may be any one of a steel ball bearing or a ceramic hybrid ball bearing.
The beneficial effects of the invention are as follows:
According to the invention, under the adoption of the structure and the design, the service life and the reliability of the large-size ball bearing turbocharger are improved while the turbo lag is reduced; the ball bearing is added at the upper vortex end bearing of the transmission shaft, the double ball bearing support turbine shaft is changed into a three ball bearing support, the support mode is changed from the two-end fixed support to the one-end fixed support and the one-end floating support, the radial and axial bearing of a single bearing is reduced, and the service life and the reliability of the large-size ball bearing turbocharger are improved;
The invention has novel structure, reasonable design, convenient use and strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present invention;
FIG. 2 is a bottom view of the present invention;
Fig. 3 is a cross-sectional view of the present invention.
In the figure: 1-compressor shell, 2-intermediate, 3-turbine shell, 4-drive shaft, 5-impeller, 6-turbine, 7-bearing assembly, 71-bearing housing, 72-ball bearing, 73-pre-tension spring, 74-spring cover, 8-expansion plate, 9-heat shield, 10-shaft seal, 11-oil inlet, 12-oil outlet, 13-turbine end clamp, 14-pressure end seal ring, 15-turbine end seal ring, 16-O-ring, 17-locating pin, 18-fastening bolt, 19-pressure end clamp.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The three-ball bearing turbocharger comprises a compressor shell 1, an intermediate body 2 and a turbine shell 3, wherein the intermediate body 2 is arranged between the compressor shell 1 and the turbine shell 3, a transmission shaft 4 is arranged in the intermediate body 2 in a penetrating manner, the left end and the right end of the transmission shaft 4 extend into the compressor shell 1 and the turbine shell 3 respectively, an impeller 5 is sleeved at the end of the transmission shaft 4 positioned in the compressor shell 1, a turbine 6 is sleeved at the end of the transmission shaft 4 positioned in the turbine shell 3, and a bearing assembly 7 is arranged between the intermediate body 2 and the transmission shaft 4;
The bearing assembly 7 comprises a bearing sleeve 71, ball bearings 72, a pre-tightening spring 73 and a spring cover 74, wherein the bearing sleeve 71 is embedded in the middle body 2, two groups of ball bearings 72 which are closely arranged side by side are embedded in the inner end part of the bearing sleeve 71 close to one side of the turbine 6, the pre-tightening spring 73 is sleeved in a round hole in the bearing sleeve 71, one end of the pre-tightening spring 73 is fixedly connected with the bearing sleeve 71, the other end of the pre-tightening spring 73 is fixedly connected with the spring cover 74, the spring cover 74 far away from one side of the turbine 6 is abutted and pressed with the other group of ball bearings 72, and the group of ball bearings 72 are embedded in the bearing sleeve 71 far away from one side of the turbine 6.
Specifically, a pressure expansion plate 8 is fixedly matched with one side of the compressor shell 1 close to the intermediate body 2 in a sealing manner, the pressure expansion plate 8 is fixedly connected with the intermediate body 2 in a sealing manner, a shaft seal 10 is sleeved on the transmission shaft 4 between the impeller 5 and the bearing assembly 7, one side surface of the shaft seal 10 is abutted to the bearing assembly 7, and the other side of the shaft seal 10 is abutted to the impeller 5.
Specifically, the intermediate body 2 is also provided with an oil inlet 11 and an oil outlet 12 respectively.
Specifically, the turbine casing 3 and the intermediate body 2 are fixedly connected through the matching of the vortex end clamping hoop 13, the overpressure end clamping hoop 19 is fixedly connected through the matching of the fastening bolt 18 and the diffuser plate 8, the intermediate body 2 is fixedly connected through the matching of the fastening bolt 18 and the diffuser plate 8, and the heat shield 9 is arranged between the turbine casing 3 and the intermediate body 2.
Specifically, an O-ring 16 for sealing engagement is provided between the diffuser plate 8 and the intermediate body 2.
Specifically, a pressure end sealing ring 14 for sealing engagement is provided between the shaft seal 10 and the diffuser plate 8.
Specifically, a vortex end sealing ring 15 for sealing fit is arranged between the side of the transmission shaft 4 close to the turbine 6 and the intermediate body 2.
Specifically, a positioning pin 17 is further arranged between the bearing sleeve 71 and the intermediate body 2, the outer side of the bearing assembly 7 is tightly abutted against the diffuser plate 8, and the diffuser plate 8 is used for further positioning and fixing the positioning pin 17 and the bearing sleeve 71.
Specifically, the ball bearing 72 may be any one of a steel ball bearing and a ceramic hybrid ball bearing.
Working principle: when the invention is installed and used, the transmission shaft 4 is supported by three groups of ball bearings 72, two groups of ball bearings 72 closely arranged side by side on the transmission shaft 4 close to the turbine 6 play a role in radial support and axial positioning of the transmission shaft 4 and the impeller 5, the turbine 6 and the shaft seal 10 on the transmission shaft 4, and the transmission shaft is used as a fixed end, one group of ball bearings 72 on the transmission shaft 4 close to the impeller 5 play a role in radial support and auxiliary axial bearing, and can move along the axial direction along with the expansion and contraction of heat of the transmission shaft 4 under the action of the pre-tightening spring 73; the transmission shaft 4 supported by the three groups of ball bearings 72 has small rotation resistance, the turbine 6 has small hysteresis, and the axial and radial bearing capacity of the transmission shaft 4 and the impeller 5, the turbine 6 and the shaft seal 10 on the transmission shaft is larger, so that the large-size turbocharger can obtain longer service life and better reliability;
Moreover, through the matched use of the arranged pressure expansion plate 8 and the shaft seal 10, the sealing effect on the internal oil can be achieved, and oil leakage is prevented;
moreover, by using the ball bearing 72 in the bearing assembly 7, the ball bearing 72 can adopt any one of a steel ball bearing or a ceramic mixed ball bearing, so that the turbocharger has good mechanical efficiency and better acceleration performance, can better meet the requirements of high-performance vehicles on the acceleration driving performance of the engine, and can meet the requirements of urban road vehicles on energy conservation and emission reduction;
the turbine shell 3 and the intermediate body 2 are fixedly connected through the matching of the vortex end clamping hoop 13, the compressor shell 1 and the diffuser plate 8 are fixedly connected through the matching of the overpressure end clamping hoop 19, and the intermediate body 2 is fixedly connected through the matching of the fastening bolt 18 and the diffuser plate 8, so that the disassembly and the maintenance can be conveniently carried out; the heat shield 9 is arranged between the turbine shell 3 and the intermediate body 2, so that the heat insulation protection effect on the intermediate body 2 can be further improved;
Moreover, the O-shaped ring 16 for sealing fit is arranged between the pressure expansion plate 8 and the intermediate body 2, so that the sealing effect of the whole structure can be further improved, and the oil leakage phenomenon is avoided; the sealing effect is further improved by arranging a pressure end sealing ring 14 for sealing fit between the shaft seal 10 and the diffusion plate 8; the vortex end sealing ring 15 for sealing fit is arranged between one side of the transmission shaft 4 close to the turbine 6 and the intermediate body 2, and the vortex end sealing ring 15 for sealing fit is arranged between one side of the transmission shaft 4 close to the turbine 6 and the intermediate body 2, so that the internal lubricating oil is sealed to prevent oil leakage;
the positioning pin 17 is further arranged between the bearing sleeve 71 and the intermediate body 2, the outer side of the bearing assembly 7 is tightly abutted against the diffuser plate 8, and the diffuser plate 8 is used for further positioning and fixing the positioning pin 17 and the bearing sleeve 71, so that the effect of limiting and fixing the bearing assembly 7 can be further achieved, and the stability of the turbocharger during operation is further improved;
The oil inlet 11 and the oil outlet 12 are respectively arranged on the intermediate body 2, so that the inside of the intermediate body 2 can be conveniently subjected to oil cooling and lubrication (in the drawing, an oil cooling cavity which is arranged inside the intermediate body 2 and is communicated with the oil inlet 11 and the oil outlet 12 is not drawn);
Furthermore, under the design and the use of the structure, the service life and the reliability of the large-size ball bearing turbocharger are improved while the turbo lag is reduced in the use process; the ball bearing is added at the vortex end bearing position on the transmission shaft, the double ball bearing support transmission shaft is changed into a three ball bearing support, the support mode is changed from the two-end fixed support to the one-end fixed support and the one-end floating support, the radial and axial bearing of a single bearing is reduced, and the service life and the reliability of the large-size ball bearing turbocharger are improved.
The working principle of the turbocharger of the invention is basically the same as that of the turbocharger of the prior art, and the turbocharger is only used and not improved, so the working principle and the connection relation of each part of the turbocharger are not described in detail.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a three ball bearing turbochargers, includes compressor housing (1), midbody (2) and turbine housing (3), its characterized in that: the novel air compressor is characterized in that an intermediate body (2) is arranged between the air compressor shell (1) and the turbine shell (3), a transmission shaft (4) is arranged in the intermediate body (2) in a penetrating manner, the left end and the right end of the transmission shaft (4) extend into the air compressor shell (1) and the turbine shell (3) respectively, an impeller (5) is sleeved at the end of the transmission shaft (4) which is positioned in the air compressor shell (1), a turbine (6) is sleeved at the end of the transmission shaft (4) which is positioned in the turbine shell (3), and a bearing assembly (7) is arranged between the intermediate body (2) and the transmission shaft (4);
The bearing assembly (7) comprises a bearing sleeve (71), a ball bearing (72), a pre-tightening spring (73) and a spring cover (74), wherein the bearing sleeve (71) is embedded in the middle body (2), two groups of ball bearings (72) which are tightly arranged side by side are embedded in the inner end part of the bearing sleeve (71) close to one side of the turbine (6), the pre-tightening spring (73) is sleeved in a round hole in the bearing sleeve (71), one end of the pre-tightening spring (73) is fixedly connected with the bearing sleeve (71), the other end of the pre-tightening spring is fixedly connected with the spring cover (74), the other group of ball bearings (72) are pressed on the spring cover (74) away from one side of the turbine (6) in a propping way, and the group of ball bearings (72) are embedded in the bearing sleeve (71) away from one side of the turbine (6);
Two groups of ball bearings (72) closely arranged side by side on the transmission shaft (4) close to the turbine (6) are used as fixed supporting ends, and one group of ball bearings (72) on the transmission shaft (4) close to the impeller (5) are used as floating supporting ends.
2. A three ball bearing turbocharger as in claim 1, wherein: be close to the intermediate body (2) compressor shell (1) one side sealing fixed fit has diffusion plate (8), diffusion plate (8) with sealing fixed link to each other between intermediate body (2), be located impeller (5) with cover is equipped with bearing seal (10) on transmission shaft (4) between bearing assembly (7), bearing seal (10) one side with bearing assembly (7) looks butt, bearing seal (10) opposite side with impeller (5) looks butt.
3. A three ball bearing turbocharger as in claim 2, wherein: and the intermediate body (2) is also respectively provided with an oil inlet (11) and an oil outlet (12).
4. A three ball bearing turbocharger as in claim 3, wherein: the turbine casing (3) with through vortex end clamp (13) cooperation fixed connection between midbody (2), compressor casing (1) with pressure end clamp (19) cooperation fixed connection between diffusion board (8), midbody (2) pass through fastening bolt (18) with the cooperation of diffusion board (8) is fixed connection mutually, just turbine casing (3) with be equipped with heat exchanger (9) between midbody (2).
5. A three ball bearing turbocharger as in claim 4, wherein: an O-shaped ring (16) for sealing fit is arranged between the diffusion plate (8) and the intermediate body (2).
6. A three ball bearing turbocharger as in claim 5, wherein: a pressure end sealing ring (14) for sealing fit is arranged between the shaft seal (10) and the diffusion plate (8).
7. A three ball bearing turbocharger as defined in claim 6, wherein: a vortex end sealing ring (15) used for sealing fit is arranged between one side of the transmission shaft (4) close to the turbine (6) and the intermediate body (2).
8. A three ball bearing turbocharger as in claim 7, wherein: and a positioning pin (17) is further arranged between the bearing sleeve (71) and the intermediate body (2), the outer side of the bearing assembly (7) is tightly abutted to the pressure expansion plate (8), and the pressure expansion plate (8) is used for further positioning and fixing the positioning pin (17) and the bearing sleeve (71).
9. A three ball bearing turbocharger as in claim 8, wherein: the ball bearing (72) is either a steel ball bearing or a ceramic hybrid ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813891.8A CN111810298B (en) | 2020-08-13 | 2020-08-13 | Three ball bearing turbochargers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010813891.8A CN111810298B (en) | 2020-08-13 | 2020-08-13 | Three ball bearing turbochargers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111810298A CN111810298A (en) | 2020-10-23 |
| CN111810298B true CN111810298B (en) | 2024-08-16 |
Family
ID=72858980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010813891.8A Active CN111810298B (en) | 2020-08-13 | 2020-08-13 | Three ball bearing turbochargers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111810298B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419474A (en) * | 2022-07-29 | 2022-12-02 | 中国北方发动机研究所(天津) | Integrated high-speed ball bearing integrated structure of integral type |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708602A (en) * | 1985-05-30 | 1987-11-24 | Teledyne Industries, Inc. | Lubrication system for a turbocharger |
| CN107605549A (en) * | 2017-10-26 | 2018-01-19 | 凤城市时代龙增压器制造有限公司 | A kind of hybrid ceramic ball bearing turbine supercharger |
| CN212250251U (en) * | 2020-08-13 | 2020-12-29 | 无锡市胜途海泰机电有限公司 | Three-ball bearing turbocharger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457667A (en) * | 1980-12-11 | 1984-07-03 | United Technologies Corporation | Viscous damper with rotor centering means |
| IT1185677B (en) * | 1984-09-03 | 1987-11-12 | Ishikawajima Harima Heavy Ind | SUPPORT DEVICE FOR EXHAUST GAS TURBOCHARGER |
| US20070104403A1 (en) * | 2003-12-11 | 2007-05-10 | Koyo Seiko Co., Ltd. | Bearing apparatus for supporting pinion shaft |
| SE526365C2 (en) * | 2004-01-20 | 2005-08-30 | Skf Ab | Weatherproof spindle unit with low friction, fishing reel and wind gauge |
| KR100717309B1 (en) * | 2005-12-12 | 2007-05-15 | 현대자동차주식회사 | 3rd generation bearing structure |
-
2020
- 2020-08-13 CN CN202010813891.8A patent/CN111810298B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708602A (en) * | 1985-05-30 | 1987-11-24 | Teledyne Industries, Inc. | Lubrication system for a turbocharger |
| CN107605549A (en) * | 2017-10-26 | 2018-01-19 | 凤城市时代龙增压器制造有限公司 | A kind of hybrid ceramic ball bearing turbine supercharger |
| CN212250251U (en) * | 2020-08-13 | 2020-12-29 | 无锡市胜途海泰机电有限公司 | Three-ball bearing turbocharger |
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| CN111810298A (en) | 2020-10-23 |
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