CN110043561A - A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing - Google Patents
A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing Download PDFInfo
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- CN110043561A CN110043561A CN201910340422.6A CN201910340422A CN110043561A CN 110043561 A CN110043561 A CN 110043561A CN 201910340422 A CN201910340422 A CN 201910340422A CN 110043561 A CN110043561 A CN 110043561A
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- gas
- bearing
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- rotor
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Classifications
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- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
- F16C32/0614—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being supplied under pressure, e.g. aerostatic bearings
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- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0662—Details of hydrostatic bearings independent of fluid supply or direction of load
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of pressure applied to turbocharger to automatically supply gas-static bush(ing) bearing, the turbocharger includes the intermediate with hollow cavity and both ends open, and it is sleeved on the rotor that in intermediate and both ends are extend out to outside intermediate, one end of rotor is equipped with compressor impeller, the other end is equipped with turbine wheel, compressor housings are installed on intermediate one end end face of installation compressor impeller, turbine cylinder is installed in the intermediate the other end face of installation turbine wheel, gas-static bush(ing) bearing is set between rotor and intermediate;Wherein, gas outlet is offered on the high pressure chest of compressor housings, which is connected to by check valve and the inlet channel being provided on intermediate with the air inlet of gas-static bush(ing) bearing.For the high pressure gas that the present invention is generated using compressor as the high-pressure air source of hydrostatic bearing, compressed media is also the lubricant medium of bearing simultaneously.
Description
Technical field
The invention belongs to Machine Designs and sliding bearing field, and in particular to a kind of pressure applied to turbocharger from
Supply gas static pressure radial sliding bearing.
Background technique
Turbocharger is a kind of air compressor, increases air inflow by compressed air, utilizes engine discharge
High pressure exhaust gas inertia impulsive force pushes the indoor turbine of turbine, and turbine drives the impeller of coaxial booster again, impeller force feed by
The air that air cleaner pipeline is sent is allowed to pressurization and enters cylinder.Since it significantly improves capacity usage ratio, turbocharger
It is widely used in the multiple fields such as process chemical industry, vehicle-mounted transport.Bearing is one of key components and parts of turbocharger, performance
Directly affect whole aircraft reliability and economy.Being usually used in turbo-charger bearing has floating-ring bearing, rolling bearing, paillon at present
Bearing etc..Floating-ring bearing is widely used in passenger car booster, has the advantages such as easy processing, economy be good, but there is also work
The problems such as temperature is high, lubricating oil is easy charing, friction power loss is big, low efficiency, easy leakage.Rolling bearing is commonly applied in middle low speed
Booster is easy to happen fatigue failure at high speeds, and the service life is short;Foil bearing is applied to high speed light loading booster, tool more at present
There is small power consumption, without the advantages such as oil pollution, temperature rise be low, but that there is also departure rotary speeds is high, transient temperature rise is big, multiple start and stop abrasion is tight
The problems such as weight.
It is a kind of very promising support scheme using aerostatic bearing support supercharger rotor, has without abrasion, essence
The advantages that degree is high, without sealing, but traditional gas hydrostatic bearing needs to be equipped with high-pressure air source and pipe valve of complex and expensive etc.
Attachment increases system structure complexity, limits it in the application of engineering field.
Summary of the invention
It is an object of the invention in view of the above shortcomings of the prior art, provide a kind of pressure applied to turbocharger
Power automatically supplies gas-static bush(ing) bearing, uses gas-static sliding bearing to support turbocharger rotor, utilizes pressure
High-pressure air source of the high pressure gas that contracting machine generates as hydrostatic bearing, compressed media are also the lubricant medium of bearing simultaneously, both may be used
The advantage of inheriting tradition hydrostatic bearing, and the accessories parts such as additional pump valve pipe will not be introduced, be expected to obviously improve bearing and
The reliability of complete machine provides a kind of completely new solution for the design of turbo-charger bearing.
The present invention adopts the following technical scheme that realize:
A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing, which includes
Intermediate with hollow cavity and both ends open, and be sleeved in intermediate and both ends and extend out to outside intermediate and turn
Son, one end of rotor are equipped with compressor impeller, and the other end is equipped with turbine wheel, close to the centre of installation compressor impeller
Body one end is equipped with compressor housings on end face, is equipped with turbine in the intermediate the other end face of installation turbine wheel
Casing body is set with gas-static bush(ing) bearing between rotor and intermediate;Wherein,
Gas outlet is offered on the high pressure chest of compressor housings, the gas outlet is by check valve and is provided on intermediate
Inlet channel be connected to the air inlet of gas-static bush(ing) bearing.
A further improvement of the present invention lies in that gas-static bush(ing) bearing includes turning close to installation compressor impeller
The first gas static pressure radial sliding bearing being set between son and intermediate, and the close rotor for installing compressor impeller is in
The second gas static pressure radial sliding bearing being set between mesosome, the gas outlet on compressor housings high pressure chest pass through check valve point
For two-way, and the inlet channel and first gas static pressure radial sliding bearing and second gas by being provided on intermediate respectively
The air inlet of static pressure radial sliding bearing is connected to.
A further improvement of the present invention lies in that being uniformly provided with four air inlets in the circumferential direction of gas-static bush(ing) bearing
Mouthful, a flow controller is provided at each air inlet.
A further improvement of the present invention lies in that the exit of check valve is also communicated with accumulator, the outlet of accumulator is divided into
Two-way is respectively communicated to the air inlet of first gas static pressure radial sliding bearing and second gas static pressure radial sliding bearing.
A further improvement of the present invention lies in that first gas static pressure radial sliding bearing and the sliding of second gas static pressure radial
Bearing passes through the shaft shoulder axially position of the first transverse bearing seat and the second transverse bearing seat and rotor respectively.
A further improvement of the present invention lies in that it is provided with the first pipe fitting at gas outlet on compressor housings high pressure chest,
Inlet channel inlet on intermediate is respectively arranged with the second pipe fitting and third pipe fitting, and the first pipe fitting is led by first
Tracheae and the check valve being arranged on the first gas-guide tube are connected to the second pipe fitting, and third pipe is additionally provided on the first gas-guide tube
Connector is connected to third pipe fitting by the second gas-guide tube, and the second pipe fitting and third pipe fitting are quiet with first gas respectively
Pressure bush(ing) bearing is connected to the air inlet of second gas static pressure radial sliding bearing.
Thrust axis is further sleeved between the rotor of compressor impeller and intermediate a further improvement of the present invention lies in that installing
It holds, thrust bearing is sleeved in sleeve, and the both ends of the thrust bearing pass through first axis bearing block and the second axial axis respectively
An axially position is held, first axis bearing block passes through fixed to the baffle and sleeve axial restraint on intermediate, the second axial axis
It holds seat and passes through intermediate and sleeve axially position.
A further improvement of the present invention lies in that high pressure exhaust gas pushes turbine wheel to provide for compressor impeller when work
Power, and then compressed air forms high pressure gas, is largely transported in engine, and sufficient high pressure gas is provided for engine
Body makes full combustion of fuel, and another part is conveyed to first gas static pressure radial sliding bearing and second gas static pressure radial is sliding
Dynamic bearing is as lubricant medium, and since the medium is high pressure gas, rotor is in first gas static pressure radial sliding bearing and second
Gas-static bush(ing) bearing guarantees to suspend, to avoid wearing in high-speed rotation.
The present invention has following beneficial technical effect:
A kind of pressure applied to turbocharger provided by the invention automatically supplies gas-static bush(ing) bearing, passes through
Gas outlet is opened up on the high pressure chest of compressor housings, so that the high pressure gas that compressor impeller generates when working, as gas
The gas source of static pressure radial sliding bearing, thus there is no need to external device (ED) Extra Supply high pressure gas, reduce turbocharger production
Cost, the high pressure gas generated using compressor impeller are started simultaneously as the lubricant medium of gas-static bush(ing) bearing
The high pressure exhaust gas that machine generates pushes turbine wheel to provide power for compressor impeller, and no other media input avoids glossy
Plain besring sealing problem.Wherein, check valve control high pressure gas one-way flow can only be from the high pressure chest of compressor housings to gas
The circulation of static pressure radial sliding bearing direction.
Further, if rotor is heavier mass, accumulator is that gas-static thrust slide bearing first provides on startup
High pressure gas does not need accumulator if it is light-duty rotor.
Further, four flow controllers are evenly distributed with by the circumferential direction in gas-static thrust slide bearing, and then guarantee that rotor exists
Eccentric and play will not occur in the course of work, improve its job stability, and then improve reliability and increase the work longevity
Life.
In short, the present invention has the advantage that:
1, lubricating oil is not needed, the sealing problem of oil-lubricated bearing is avoided;
2, structure is simple, does not need additionally to configure air compressor, no other media input;
3, friction power loss is low, high-efficient;
4, temperature rise is low, and the service life is long, high-low temperature resistant, no pollution to the environment;
5, saving the energy reduces manufacturing cost, improves energy utilization rate, is not necessarily to oil lubrication and maintenance, fully ensures that
The leakproofness of turbine, improves operational reliability.
Detailed description of the invention
Fig. 1 is the signal that a kind of pressure applied to turbocharger of the present invention automatically supplies gas-static bush(ing) bearing
Figure;
Fig. 2 is gas bush(ing) bearing side view.
Description of symbols:
1 is compressor housings, and 2 be hex nut, and 3 be rotor, and 4 be compressor impeller, and 5 be first axis bearing block, and 6 are
Screw, 7 be baffle, and 8 be the first pipe fitting, and 9,18,24 be gasket, and 10 be the first gas-guide tube, and 11 be intermediate, and 12 be thrust axis
It holds, 13 be sleeve, and 14 be thrust disc, and 15 be the second axial bearing seat, and 16 be three-dimensional pipe fitting, and 17 be the second pipe fitting, and 19 are
The screw of first fixed radial bearing block, 20 be the first transverse bearing seat, and 21 be first gas static pressure radial sliding bearing, and 22 are
Second gas-guide tube, 23 be third pipe fitting, and 25 be the second transverse bearing seat, and 26 be second gas static pressure radial sliding bearing, 27
It is the screw of the second fixed radial bearing block, 28 be turbine wheel, and 29 be turbine cylinder, and 30 be turbocharger installation
Seat, 31 be flow controller, and 32 be check valve, and 33 be accumulator.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
It is radially slided as shown in Figure 1, a kind of pressure applied to turbocharger provided by the invention automatically supplies gas-static
Dynamic bearing, including pressurizer shell 1, rotor 3, compressor impeller 4, intermediate 11, thrust bearing 12, first gas static pressure radial
Sliding bearing 21, second gas static pressure radial sliding bearing 26, turbine wheel 20, turbine cylinder 29 and turbocharger peace
Fill seat 30.Wherein, intermediate 11 has hollow cavity and both ends open, and rotor 3 is sleeved in intermediate 11 and both ends are stretched out
To outside intermediate 11, one end of rotor 3 is equipped with compressor impeller 4, and the other end is equipped with turbine wheel 28, close to installation pressure
Compressor housings 1 are installed on 11 one end end face of intermediate of compressor wheel 4, close to the intermediate 11 of installation turbine wheel 28
Turbine cylinder 29 is installed in the other end face, gas-static bush(ing) bearing is set between rotor 3 and intermediate 11.
Gas-static bush(ing) bearing includes the first gas being set between the rotor 3 and intermediate 11 of installation compressor impeller 4
Body static pressure radial sliding bearing 21, and the second gas being set between the rotor 3 and intermediate 11 of installation compressor impeller 4
Body static pressure radial sliding bearing 26.
Fig. 1 is that turbocharger radially uses two gas-static sliding bearing supports, provides stable rotation for rotor 3
Support, improves Reliability of Turbochargers.Since gas viscosity is low, viscosity varies with temperature small, and chemical stability is good.Cause
This, aerostatic bearing has many advantages, such as that friction is small, speed is high, temperature rise is low, the service life is long, high-low temperature resistant, no pollution to the environment.
It is that compressor impeller 4 provides power, and then compressed air forms high pressure gas that high pressure exhaust gas, which pushes turbine wheel 28,
Body is largely transported in engine, and sufficient high pressure gas is provided for engine, makes full combustion of fuel, and another part is logical
It crosses the first gas-guide tube 10 and the second gas-guide tube 22 is conveyed to first gas static pressure radial sliding bearing 21 and second gas static pressure diameter
It is used as lubricant medium to sliding bearing 26, since the medium is high pressure gas, rotor 3 is in first gas static pressure radial sliding bearing
21 and second gas static pressure radial sliding bearing 26 guarantee suspend, to avoid wearing in high-speed rotation, there is list herein
Controlling high pressure gas one-way flow to valve 32 can only be from the high pressure chest of compressor housings 1 to first gas static pressure radial sliding bearing
21 and 26 direction of second gas static pressure radial sliding bearing circulation, 33 be accumulator, if rotor 3 is heavier mass, is being started
When accumulator 33 be gas-static thrust slide bearing high pressure gas is first provided, do not need the device if it is light-duty rotor 3.Tool
For body, it is provided with the first pipe fitting 8 and the first gasket 9 at the gas outlet on 1 high pressure chest of compressor housings, on intermediate 11
Inlet channel inlet is respectively arranged with the second pipe fitting 17 and third gasket 18 and third pipe fitting 23 and third gasket 24,
First pipe fitting 8 is connected to the second pipe fitting by the first gas-guide tube 10 and the check valve 32 being arranged on the first gas-guide tube 10
17, third pipe fitting 23 is additionally provided on the first gas-guide tube 10, and third pipe fitting 23 is connected to by the second gas-guide tube 22, the
Two pipe fittings 17 and third pipe fitting 23 are sliding with first gas static pressure radial sliding bearing 21 and second gas static pressure radial respectively
The air inlet of dynamic bearing 26 is connected to.
The present invention is the high pressure gas generated by compressor impeller 4, is 21 He of first gas static pressure radial sliding bearing
Second gas static pressure radial sliding bearing 26 provides high-pressure air source, therefore does not need external device (ED) Extra Supply high pressure gas, reduces
Turbocharger production cost, the high pressure gas generated using compressor impeller 4 is as first gas static pressure radial sliding bearing
21 and 26 lubricant medium of second gas static pressure radial sliding bearing, while the high pressure exhaust gas that engine generates pushes turbine wheel
28 provide power for compressor impeller 4, and no other media input avoids oil-lubricated bearing sealing problem.
Thrust bearing 12 passes through 15 axially position of first axis bearing block 5 and the second axial bearing seat, thrust bearing 12
Centre is thrust disc 14, and baffle 7 is fixed on intermediate 11 by screw 6, and first axis bearing block 5 passes through baffle 7 and sleeve
13 axial restraints, the second axial bearing seat 15 pass through 13 axially position of intermediate 11 and sleeve, the sliding of first gas static pressure radial
Bearing 21 and second gas static pressure radial sliding bearing 26 pass through the first transverse bearing seat 20 and the second transverse bearing seat 25 respectively
With the shaft shoulder axially position of rotor 3, the first transverse bearing seat 20 passes through the screw 19 and intermediate of the first fixed radial bearing block
11 are fixed together, and the second transverse bearing seat 25 is fixed on one by the screw 27 and intermediate 11 of the second fixed radial bearing block
It rises.
Fig. 2 is the side view of first gas static pressure radial sliding bearing 21 and second gas static pressure radial sliding bearing 26,
Setting is uniformly distributed four chambers and has flow controller 31, guarantees that eccentric and play will not occur during the work time for rotor, improves its work
Make stability, and then improves reliability and increase working life.
The course of work of the invention is as follows:
Since high pressure exhaust gas pushes turbine wheel 28 to provide power, and then constantly compressed air shape to compressor impeller 4
At high pressure gas: where most of high pressure gas is transported in engine, makes full combustion of fuel, and another part passes through first
Gas-guide tube 10 and the second gas-guide tube 22 are conveyed to first gas static pressure radial sliding bearing 21 and the sliding of second gas static pressure radial
Bearing 26 is used as lubricant medium, eliminates external device (ED) Extra Supply high pressure gas, reduces turbocharger production cost, improves energy
Source utilization rate, overall structure is more compact, reduces system entirety occupied area, reduces equipment cost, is not necessarily to oil lubrication and maintenance
Maintenance, has fully ensured that the leakproofness of turbine, has improved operational reliability.
Claims (8)
1. a kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing, which is characterized in that the turbine
Booster includes the intermediate (11) with hollow cavity and both ends open, and is sleeved in intermediate (11) and both ends are stretched
The rotor (3) to intermediate (11) outside, one end of rotor (3) are equipped with compressor impeller (4) out, and the other end is equipped with turbine
Impeller (28) is equipped with compressor housings (1) on intermediate (11) one end end face of installation compressor impeller (4), close
It installs and is equipped with turbine cylinder (29) in intermediate (11) the other end face of turbine wheel (28), rotor (3) and centre
Body is set with gas-static bush(ing) bearing between (11);Wherein,
Gas outlet is offered on the high pressure chest of compressor housings (1), the gas outlet is by check valve (32) and is provided with centre
Inlet channel on body (11) is connected to the air inlet of gas-static bush(ing) bearing.
2. a kind of pressure applied to turbocharger according to claim 1 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that gas-static bush(ing) bearing includes the rotor (3) and intermediate close to installation compressor impeller (4)
(11) the first gas static pressure radial sliding bearing (21) being set between, and the rotor (3) close to installation compressor impeller (4)
The second gas static pressure radial sliding bearing (26) being set between intermediate (11), going out on compressor housings (1) high pressure chest
Port is divided into two-way by check valve (32), and quiet by the inlet channel and first gas that are provided on intermediate (11) respectively
Pressure bush(ing) bearing (21) is connected to the air inlet of second gas static pressure radial sliding bearing (26).
3. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that it is uniformly provided with four air inlets in the circumferential direction of gas-static bush(ing) bearing, it is equal at each air inlet
It is provided with a flow controller (31).
4. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that the exit of check valve (32) is also communicated with accumulator (33), and the outlet of accumulator (33) is divided into two-way,
It is respectively communicated to the air inlet of first gas static pressure radial sliding bearing (21) and second gas static pressure radial sliding bearing (26).
5. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that first gas static pressure radial sliding bearing (21) and second gas static pressure radial sliding bearing (26) are respectively
Pass through the shaft shoulder axially position of the first transverse bearing seat (20) and the second transverse bearing seat (25) and rotor (3).
6. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that be provided with the first pipe fitting (8) at the gas outlet on compressor housings (1) high pressure chest, on intermediate (11)
Inlet channel inlet be respectively arranged with the second pipe fitting (17) and third pipe fitting (23), the first pipe fitting (8) passes through the
One gas-guide tube (10) and the check valve (32) being arranged on the first gas-guide tube (10) are connected to the second pipe fitting (17), and first leads
It is additionally provided with third pipe fitting (23) on tracheae (10), is connected to third pipe fitting (23) by the second gas-guide tube (22), the
Two pipe fittings (17) and third pipe fitting (23) respectively with first gas static pressure radial sliding bearing (21) and second gas static pressure
The air inlet of bush(ing) bearing (26) is connected to.
7. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that thrust bearing (12) are further sleeved between the rotor (3) and intermediate (11) of installation compressor impeller (4),
Thrust bearing (12) is sleeved in sleeve (13), and the both ends of the thrust bearing (12) pass through first axis bearing block (5) respectively
With second axial bearing seat (15) axially position, first axis bearing block (5) passes through fixed to the baffle (7) on intermediate (11)
With sleeve (13) axial restraint, the second axial bearing seat (15) passes through intermediate (11) and sleeve (13) axially position.
8. a kind of pressure applied to turbocharger according to claim 2 automatically supplies gas-static and radially slides axis
It holds, which is characterized in that when work, it is that compressor impeller (4) provide power, and then press that high pressure exhaust gas, which pushes turbine wheel (28),
Contracting air forms high pressure gas, is largely transported in engine, and sufficient high pressure gas is provided for engine, keeps fuel abundant
Burning, another part are conveyed to first gas static pressure radial sliding bearing (21) and second gas static pressure radial sliding bearing (26)
As lubricant medium, since the medium is high pressure gas, rotor (3) is in first gas static pressure radial sliding bearing (21) and second
Gas-static bush(ing) bearing (26) guarantees to suspend, to avoid wearing in high-speed rotation.
Priority Applications (1)
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CN201910340422.6A CN110043561A (en) | 2019-04-25 | 2019-04-25 | A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing |
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CN201910340422.6A CN110043561A (en) | 2019-04-25 | 2019-04-25 | A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing |
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CN112228361A (en) * | 2020-09-18 | 2021-01-15 | 益鑫能源科技(上海)有限公司 | Air suspension centrifugal blower |
CN113280038A (en) * | 2020-01-31 | 2021-08-20 | 和谐工业有限责任公司 | Foil air bearing assembly for engine starter |
CN114483611A (en) * | 2022-01-21 | 2022-05-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supported fuel cell air compressor |
WO2023051157A1 (en) * | 2021-09-28 | 2023-04-06 | 永旭腾风新能源动力科技(北京)有限公司 | Gas path system for rotor system of micro fuel-gas turbine, and micro fuel-gas turbine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113280038A (en) * | 2020-01-31 | 2021-08-20 | 和谐工业有限责任公司 | Foil air bearing assembly for engine starter |
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WO2023051157A1 (en) * | 2021-09-28 | 2023-04-06 | 永旭腾风新能源动力科技(北京)有限公司 | Gas path system for rotor system of micro fuel-gas turbine, and micro fuel-gas turbine |
CN114483611A (en) * | 2022-01-21 | 2022-05-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supported fuel cell air compressor |
CN114483611B (en) * | 2022-01-21 | 2024-02-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supporting fuel cell air compressor |
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