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 PDF

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Publication number
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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CN
China
Prior art keywords
gas
bearing
static
ing
rotor
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Pending
Application number
CN201910340422.6A
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Chinese (zh)
Inventor
裴世源
李超
南凯刚
徐华
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN201910340422.6A priority Critical patent/CN110043561A/en
Publication of CN110043561A publication Critical patent/CN110043561A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/06Bearings 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
    • F16C32/0603Bearings 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
    • F16C32/0614Bearings 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/06Bearings 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
    • F16C32/0662Details of hydrostatic bearings independent of fluid supply or direction of load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/23Gas turbine engines
    • F16C2360/24Turbochargers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving 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

A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing
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.
CN201910340422.6A 2019-04-25 2019-04-25 A kind of pressure applied to turbocharger automatically supplies gas-static bush(ing) bearing Pending CN110043561A (en)

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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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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573808A (en) * 1984-02-10 1986-03-04 Nissan Motor Co., Ltd. Pneumatic journal bearing
CN205955781U (en) * 2016-07-08 2017-02-15 张运波 Turbocharger bearing sleeve and turbo charger
WO2018022015A1 (en) * 2016-07-26 2018-02-01 Florida Turbine Technologies, Inc. Turbocharger with oil-free hydrostatic bearing
CN108291575A (en) * 2015-10-08 2018-07-17 伯明翰高性能涡轮机械公司 Gas bearing or improvement about gas bearing
CN110050133A (en) * 2016-12-15 2019-07-23 爱德华兹有限公司 Bearing supports for vacuum pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573808A (en) * 1984-02-10 1986-03-04 Nissan Motor Co., Ltd. Pneumatic journal bearing
CN108291575A (en) * 2015-10-08 2018-07-17 伯明翰高性能涡轮机械公司 Gas bearing or improvement about gas bearing
CN205955781U (en) * 2016-07-08 2017-02-15 张运波 Turbocharger bearing sleeve and turbo charger
WO2018022015A1 (en) * 2016-07-26 2018-02-01 Florida Turbine Technologies, Inc. Turbocharger with oil-free hydrostatic bearing
CN110050133A (en) * 2016-12-15 2019-07-23 爱德华兹有限公司 Bearing supports for vacuum pump

Cited By (6)

* Cited by examiner, † Cited by third party
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
US11549395B2 (en) 2020-01-31 2023-01-10 Unison Industries, Llc Foil-air bearing assembly for engine starter
CN112228361A (en) * 2020-09-18 2021-01-15 益鑫能源科技(上海)有限公司 Air suspension centrifugal blower
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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Application publication date: 20190723

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