CN111734528A - Turbocharger - Google Patents
Turbocharger Download PDFInfo
- Publication number
- CN111734528A CN111734528A CN202010744977.XA CN202010744977A CN111734528A CN 111734528 A CN111734528 A CN 111734528A CN 202010744977 A CN202010744977 A CN 202010744977A CN 111734528 A CN111734528 A CN 111734528A
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- Prior art keywords
- intermediate body
- bearing
- transmission shaft
- plate
- turbine
- 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
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 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
- 230000000694 effects Effects 0.000 abstract description 13
- 230000001133 acceleration Effects 0.000 abstract description 11
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
-
- 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
- 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
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
-
- 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
- F02C7/24—Heat or noise insulation
-
- 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
- F02C7/28—Arrangement of seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
Abstract
The invention relates to the technical field of turbochargers, in particular to a turbocharger, which 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 way, the left end and the right end of the transmission shaft respectively extend into the compressor shell and the turbine shell, an impeller is sleeved at the end of the transmission shaft positioned in the 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. This hysteresis effect causes a problem that the acceleration performance of the engine is poor and the requirement of a high-performance automobile cannot be satisfied.
Description
Technical Field
The invention relates to the technical field of turbochargers, in particular to a turbocharger.
Background
The turbocharger is not a power source, it works by using the residual energy in the engine exhaust, its function is to provide more air for the engine, the turbocharger is installed on the engine exhaust pipe, the exhaust gas exhausted by the engine cylinder pushes the turbine to rotate, then drives the impeller to pressurize the air filtered by the air filter and send it into the cylinder, because the air entering the cylinder is increased, the fuel can be more fully burnt, thus the engine can generate more power, therefore the turbocharger has the advantages of improving power, reducing fuel consumption rate, increasing low-speed torque, reducing exhaust pollution and the like under the condition of not changing the structure of the gasoline engine, therefore the turbocharger is widely used as a power auxiliary device.
The turbocharger in the prior art is not stable in operation when working and using, the phenomenon of loose parts is easy to occur, meanwhile, the traditional turbocharger provided with a floating bearing has low mechanical efficiency of the bearing and obvious turbo lag effect, and on a vehicle pursuing high acceleration performance and high driving performance, the lag effect can cause poor acceleration performance of an engine and can not meet the requirement of a high-performance automobile.
There is therefore a need to develop a turbocharger that addresses the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a turbocharger, which solves the problems that the prior turbocharger is not stable in operation and easy to loose parts when in use, and the traditional turbocharger assembled with a floating bearing has low mechanical efficiency and obvious turbo lag effect, and the lag effect can cause poor acceleration performance of an engine on a vehicle pursuing high acceleration performance and high driving performance and can not meet the requirements of a high-performance automobile through the design and the use of a series of structures.
The invention is realized by the following technical scheme:
a 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 penetrates through the intermediate body, the left end and the right end of the transmission shaft respectively extend into the compressor shell and the turbine shell, an impeller is sleeved at the end of the transmission shaft positioned in the 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;
a pressure expansion plate is fixedly matched with one side of the compressor shell close to the intermediate body in a sealing manner, the pressure expansion plate is fixedly connected with the intermediate body in a sealing manner, a fixed sleeve and a shaft seal which are mutually abutted are sleeved on the transmission shaft between the impeller and the bearing assembly, the fixed sleeve is abutted against the bearing assembly, the shaft seal is fixedly connected with a gas seal plate in a sealing manner, and the gas seal plate is fixedly connected with the intermediate body in a sealing manner;
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 intermediate body and close to one side of the turbine, a group of ball bearings are embedded at the end part of the inner part of the bearing sleeve, the pre-tightening spring sleeve is arranged on the transmission shaft, 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 pre-tightening spring is far away from one side of the turbine, the spring cover is abutted against the spring cover and is pressed against another group of ball bearings, and the ball bearings are embedded in the bearing sleeve and are far away.
Preferably, the intermediate body is further provided with an oil inlet, an oil outlet, a water inlet and a water outlet.
Preferably, the turbine casing and the intermediate body, the compressor casing and the pressure expansion plate are fixedly connected through the matching of fastening bolts and the pressure plate, and a heat insulation cover is arranged between the turbine casing and the intermediate body.
Preferably, O-shaped rings used for sealing and matching are arranged between the pressure expansion plate and the compressor shell, between the pressure expansion plate and the intermediate body and between the air sealing plate and the intermediate body.
Preferably, a sealing ring for sealing fit is arranged between the shaft seal and the air sealing plate.
Preferably, a staggered sealing ring for sealing fit is arranged between one side of the transmission shaft close to the turbine and the intermediate body.
Preferably, a retainer ring is further arranged between the air sealing plate and the intermediate body.
Preferably, a positioning pin is further arranged between the bearing sleeve and the intermediate body, a thrust plate is arranged on the outer side of the bearing assembly, the thrust plate is used for further positioning and fixing the positioning pin and the bearing sleeve, and the thrust plate is fixedly mounted with the intermediate body through a fastening screw.
Preferably, the ball bearing may be any one of a steel ball bearing and a ceramic hybrid ball bearing.
The invention has the beneficial effects that:
by adopting the structure and the design, the turbocharger solves the problems that the prior turbocharger is not stable in operation and easy to loose parts when in use, and the traditional turbocharger assembled with the floating bearing has low mechanical efficiency and obvious turbo lag effect, so that the engine has poor acceleration performance and cannot meet the requirements of high-performance automobiles on the vehicles pursuing high acceleration performance and high driving performance;
the invention has novel structure, reasonable design, convenient use and stronger practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a rear view of the present invention;
fig. 4 is a cross-sectional view of the present invention.
In the figure: the device comprises a compressor shell, a 2-intermediate body, a 3-turbine shell, a 4-transmission shaft, a 5-impeller, a 6-turbine, a 7-bearing assembly, a 71-bearing sleeve, a 72-ball bearing, a 73-pre-tightening spring, a 74-spring cover, an 8-pressure expansion plate, a 9-fixed sleeve, a 10-shaft seal, a 11-gas seal plate, a 12-oil inlet, a 13-oil outlet, a 14-water inlet, a 15-water outlet, a 16-fastening bolt, a 17-heat insulation cover, an 18-O-shaped ring, a 19-sealing ring, a 20-staggered sealing ring, a 21-check ring, a 22-positioning pin, a 23-thrust plate and a 24-fastening screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A turbocharger comprises a compressor casing 1, an intermediate body 2 and a turbine casing 3, wherein the intermediate body 2 is arranged between the compressor casing 1 and the turbine casing 3, a transmission shaft 4 penetrates through the intermediate body 2, the left end and the right end of the transmission shaft 4 respectively extend into the compressor casing 1 and the turbine casing 3, an impeller 5 is sleeved at the end of the transmission shaft 4 positioned in the compressor casing 1, a turbine 6 is sleeved at the end of the transmission shaft 4 positioned in the turbine casing 3, and a bearing assembly 7 is arranged between the intermediate body 2 and the transmission shaft 4;
a pressure expansion plate 8 is fixedly matched with one side of the compressor casing 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 fixed sleeve 9 and a shaft seal 10 which are mutually abutted are sleeved on a transmission shaft 4 positioned between an impeller 5 and a bearing assembly 7, the fixed sleeve 9 is abutted with the bearing assembly 7, the shaft seal 10 is fixedly connected with a gas seal plate 11 in a sealing manner, and the gas seal plate 11 is fixedly connected with the intermediate body 2 in a sealing manner;
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 intermediate body 2, a group of ball bearings 72 is embedded in the end part of the inner part of the bearing sleeve 71 close to one side of the turbine 6, the pre-tightening spring 73 is sleeved on the transmission shaft 4, 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 another group of ball bearings 72, and the ball bearings 72 are embedded in the bearing sleeve 71 far.
Specifically, the intermediate body 2 is further provided with an oil inlet 12, an oil outlet 13, a water inlet 14 and a water outlet 15.
Specifically, the turbine casing 3 and the intermediate body 2, and the compressor casing 1 and the diffuser plate 8 are fixedly connected through the cooperation of the fastening bolt 16 and the pressure plate, and a heat shield 17 is arranged between the turbine casing 3 and the intermediate body 2.
Specifically, O-rings 18 for sealing and matching are arranged between the pressure expansion plate 8 and the compressor casing 1, between the pressure expansion plate 8 and the intermediate body 2, and between the gas seal plate 11 and the intermediate body 2.
Specifically, a sealing ring 19 for sealing engagement is provided between the shaft seal 10 and the gas seal plate 11.
Specifically, a staggered sealing ring 20 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 retainer ring 21 is further provided between the air seal plate 11 and the intermediate body 2.
Specifically, a positioning pin 22 is further arranged between the bearing sleeve 71 and the intermediate body 2, a thrust plate 23 is arranged outside the bearing assembly 7, the thrust plate 23 is used for further positioning and fixing the positioning pin 22 and the bearing sleeve 71, and the thrust plate 23 is fixedly mounted with the intermediate body 2 through a fastening screw 24.
Specifically, the ball bearing 72 may be a steel ball bearing or a ceramic hybrid ball bearing.
The working principle is as follows: when the turbocharger is installed and used, the bearing assembly 7 is arranged, so that the turbocharger can run more stably, the working efficiency is higher, meanwhile, the axial impact load generated during the operation of the turbocharger can be buffered and counteracted by using the pre-tightening spring 73 in the bearing assembly 7, and the running stability is further improved; the purpose of limiting the axial sliding of the bearing component 7 can be achieved by the matched use of the diffusion plate 8, the fixed sleeve 9, the shaft seal 10 and the air seal plate 11, and the stability in operation is further improved;
moreover, by using the ball bearing 72 in the bearing assembly 7, and the ball bearing 72 can adopt any one of a steel ball bearing or a ceramic mixed ball bearing, the turbocharger has good mechanical efficiency and better acceleration performance, can better meet the requirement of high-performance vehicles on the acceleration driving performance of an engine, and can meet the requirement of urban road vehicles on energy conservation and emission reduction;
moreover, the turbine shell 3 and the intermediate body 2, and the compressor shell 1 and the diffuser plate 8 are fixedly connected through the matching of the fastening bolt 16 and the pressure plate, so that the disassembly and maintenance can be conveniently carried out; and the heat shield 17 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 rings 18 for sealing and matching are arranged between the pressure expansion plate 8 and the compressor shell 1, between the pressure expansion plate 8 and the intermediate body 2 and between the air sealing plate 11 and the intermediate body 2, so that the sealing effect of the whole structure can be further improved, and the oil leakage phenomenon can be avoided; a sealing ring 19 for sealing and matching is arranged between the shaft seal 10 and the air sealing plate 11, so that the sealing effect is further improved; a retainer ring 21 is arranged between the air seal plate 11 and the intermediate body 2, so that the sealing effect is improved, and the purpose of further limiting and fixing is achieved;
a positioning pin 22 is arranged between the bearing sleeve 71 and the intermediate body 2, a thrust plate 23 is arranged on the outer side of the bearing assembly 7, the thrust plate 23 is used for further positioning and fixing the positioning pin 22 and the bearing sleeve 71, and the thrust plate 23 is fixedly installed with the intermediate body 2 through a fastening screw 24, so that the effect of limiting and fixing the bearing assembly 7 can be further achieved, and the running stability of the turbocharger is further improved;
the intermediate body 2 is also provided with an oil inlet 12, an oil outlet 13, a water inlet 14 and a water outlet 15, so that oil cooling and water cooling can be conveniently carried out on the interior of the intermediate body 2 (in the figure, an oil cooling cavity communicated with the oil inlet 12 and the oil outlet 13 and a water cooling cavity communicated with the water inlet 14 and the water outlet 15 which are arranged in the intermediate body are not drawn);
furthermore, under the design and the use of the structure, the turbocharger solves the problems that the existing turbocharger is not stable in operation and easy to loose parts when in use, and the traditional turbocharger assembled with the floating bearing has low mechanical efficiency and obvious turbo lag effect, so that the engine has poor acceleration performance on a vehicle pursuing high acceleration performance and high driving performance, and the requirement of a high-performance vehicle cannot be met due to the lag effect.
The parts of the turbocharger of the invention which are not described in detail are basically the same as the turbocharger of the prior art, belong to the common knowledge in the field, and are only used without improvement, so the invention is not described in detail in the working principle and the connection relation of the parts.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A turbocharger comprising a compressor casing (1), an intermediate body (2) and a turbine casing (3), characterized in that: the intermediate body (2) is arranged between the compressor casing (1) and the turbine casing (3), a transmission shaft (4) penetrates through the intermediate body (2), the left end and the right end of the transmission shaft (4) respectively extend into the compressor casing (1) and the turbine casing (3), an impeller (5) is sleeved on the end of the transmission shaft (4) positioned in the compressor casing (1), a turbine (6) is sleeved on the end of the transmission shaft (4) positioned in the turbine casing (3), and a bearing assembly (7) is arranged between the intermediate body (2) and the transmission shaft (4);
a pressure expansion plate (8) is fixedly matched with one side of the compressor casing (1) close to the intermediate body (2) in a sealing mode, the pressure expansion plate (8) is fixedly connected with the intermediate body (2) in a sealing mode, a fixed sleeve (9) and a shaft seal (10) which are mutually abutted are sleeved on the transmission shaft (4) between the impeller (5) and the bearing assembly (7), the fixed sleeve (9) is abutted against the bearing assembly (7), the shaft seal (10) is fixedly connected with a gas seal plate (11) in a sealing mode, and the gas seal plate (11) is fixedly connected with the intermediate body (2) in a sealing mode;
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), one side of the bearing sleeve (6) is close to one end of the inner portion of the bearing sleeve (71) and is provided with a group of ball bearings (72), the pre-tightening spring (73) is sleeved on the transmission shaft (4), 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), one side of the bearing sleeve (6) is far away from the spring cover (74), the spring cover is abutted against and pressed with the other group of ball bearings (72), and the ball bearings (72) are embedded in the bearing sleeve (71) far away from one side of the turbine (6).
2. A turbocharger according to claim 1, wherein: and the intermediate body (2) is also provided with an oil inlet hole (12), an oil outlet hole (13), a water inlet hole (14) and a water outlet hole (15) respectively.
3. A turbocharger according to claim 1, wherein: turbine casing (3) with between midbody (2) compressor casing (1) with all through fastening bolt (16) and clamp plate's cooperation looks fixed connection between expansion plate (8), just turbine casing (3) with be equipped with between midbody (2) and separate heat exchanger (17).
4. A turbocharger according to claim 1, wherein: the expansion plate (8) and the air compressor shell (1), the expansion plate (8) and the intermediate body (2), and the air seal plate (11) and the intermediate body (2) are all provided with O-shaped rings (18) used for sealing and matching.
5. A turbocharger according to claim 1, wherein: and a sealing ring (19) for sealing and matching is arranged between the shaft seal (10) and the air sealing plate (11).
6. A turbocharger according to claim 1, wherein: a staggered sealing ring (20) for sealing and matching is arranged between one side of the transmission shaft (4) close to the turbine (6) and the intermediate body (2).
7. A turbocharger according to claim 1, wherein: a retainer ring (21) is also arranged between the air seal plate (11) and the intermediate body (2).
8. A turbocharger according to claim 1, wherein: still be equipped with between bearing housing (71) and intermediate body (2) locating pin (22), the outside of bearing assembly (7) is equipped with thrust plate (23), thrust plate (23) are used for further with locating pin (22), bearing housing (71) carry out the location fixed, just thrust plate (23) pass through fastening screw (24) with intermediate body (2) fixed mounting.
9. A turbocharger according to claim 1, wherein: the ball bearing (72) can be any one of a steel ball bearing or a ceramic hybrid ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744977.XA CN111734528A (en) | 2020-07-29 | 2020-07-29 | Turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744977.XA CN111734528A (en) | 2020-07-29 | 2020-07-29 | Turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734528A true CN111734528A (en) | 2020-10-02 |
Family
ID=72656458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010744977.XA Pending CN111734528A (en) | 2020-07-29 | 2020-07-29 | Turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734528A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382897A (en) * | 2001-04-24 | 2002-12-04 | 通用汽车公司 | High thrust turbosupercharger rotor with ball bearing |
| US20070036477A1 (en) * | 2005-08-11 | 2007-02-15 | Mckeirnan Robert D Jr | Turbocharger shaft bearing system |
| US20080087018A1 (en) * | 2006-10-11 | 2008-04-17 | Woollenweber William E | Bearing systems for high-speed rotating machinery |
| CN202451223U (en) * | 2012-02-17 | 2012-09-26 | 浙江科劲涡轮增压器有限公司 | Engine turbocharger |
| CN212250250U (en) * | 2020-07-29 | 2020-12-29 | 无锡市胜途海泰机电有限公司 | Turbocharger |
-
2020
- 2020-07-29 CN CN202010744977.XA patent/CN111734528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382897A (en) * | 2001-04-24 | 2002-12-04 | 通用汽车公司 | High thrust turbosupercharger rotor with ball bearing |
| US20070036477A1 (en) * | 2005-08-11 | 2007-02-15 | Mckeirnan Robert D Jr | Turbocharger shaft bearing system |
| US20080087018A1 (en) * | 2006-10-11 | 2008-04-17 | Woollenweber William E | Bearing systems for high-speed rotating machinery |
| CN202451223U (en) * | 2012-02-17 | 2012-09-26 | 浙江科劲涡轮增压器有限公司 | Engine turbocharger |
| CN212250250U (en) * | 2020-07-29 | 2020-12-29 | 无锡市胜途海泰机电有限公司 | Turbocharger |
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