CN107763071A - Composite bearing and method of work - Google Patents
Composite bearing and method of work Download PDFInfo
- Publication number
- CN107763071A CN107763071A CN201711184317.5A CN201711184317A CN107763071A CN 107763071 A CN107763071 A CN 107763071A CN 201711184317 A CN201711184317 A CN 201711184317A CN 107763071 A CN107763071 A CN 107763071A
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- air
- main shaft
- bearing
- pressure
- bearing shafts
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Classifications
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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
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
Composite bearing, including：Main shaft；Two rolling bearings；Air suspension shaft sleeve, it is set on main shaft, the outer ring compression fit of its inwall and rolling bearing；Jet chamber, it is set on air suspension shaft sleeve；Calm the anger chamber, it is arranged on the other end of main shaft, and intracavitary of calming the anger is provided with and the impeller of the androgynous rotation of main shaft；Gas flow adjuster, it is arranged on the pipeline that first row gas port connects with jet chamber；Velocity sensor；Controller, it is connected with gas flow adjuster, pressure sensor and velocity sensor.The present invention proposes a kind of method of work of composite bearing, and step includes：Drive shaft rotates, and is rotated by rolling bearing supporting spindle；The gas that air-flow is sprayed by nozzle is acted on air-bearing shafts；The rotating speed of air-bearing shafts is adjusted to be consistent with the speed of mainshaft；The inertia energy of main shaft continues to rotate under rolling bearing supporting, until stopping completely.The present invention has the characteristics that low friction, high rotating speed, low-power consumption, high accuracy, stability are good.
Description
Technical field
The invention belongs to pressure-feed air bearing, technical field of rolling bearings, and in particular to a kind of static pressure air-bearing composite shaft and
Method of work.
Background technology
Pressure-feed air bearing is one of common form of gas bearing, and pressure-feed air bearing is because running speed is high, revolution
The advantages that precision is high, lubrication is environmental clean, is gradually widely used in precision machining industry, low temperature compression industry, food industry,
The fields such as medical and health industry, nuclear industry, Aero-Space.But there must be a special compressed gas during pressure-feed air bearing operation
Source, stopped the supple of gas or steam once source of the gas breaks down, pressure-feed air bearing will be damaged thoroughly.When pressure-feed air bearing starts, it is necessary to first
Compressed gas source is opened, can just be started when pressure reaches certain value.When pressure-feed air bearing is stopped, source of the gas must be delayed
Close.This harsh requirement to be greatly limited using pressure-feed air bearing in special occasions.
At present in industries such as turbocharger, gas engine, gas electricity generator, hydrogen fuel cells, it is badly in need of a kind of transmission
Axle, it is desirable to possess the advantages of pressure-feed air bearing or possess the advantages of rolling bearing, but simultaneously again without condition used above
Harsh limitation.Because use occasion condition is limited, so the use bar of pressure-feed air bearing or rolling bearing can not be met again
Part.To solve these problems, we devise a kind of static pressure air-bearing composite shaft, and this composite shaft timesharing make use of static air axle
Hold and the advantages of rolling bearing, the shortcomings that avoiding pressure-feed air bearing and rolling bearing again.
The content of the invention
The problem of for being previously mentioned, the invention provides a kind of composite bearing, including：
Main shaft, its one end are provided with the power set of drive shaft rotation；
Two rolling bearings, its inner ring are spaced apart with the main shaft compression fit, described two rolling bearings；
Air suspension shaft sleeve, it is set on the main shaft, the outer ring compression fit of its inwall and the rolling bearing, the gas
Floating axle covers forms air-bearing shafts with described two rolling bearings, is set on the outer wall of the air suspension shaft sleeve multiple in air suspension shaft sleeve
Multiple airslides of mandrel circumference array, the airslide extends along the air suspension shaft sleeve end face to inner side, and width is by outer
Inwardly be gradually reduced, along the axial direction of the air suspension shaft sleeve on setting protruding block spaced apart；
Jet chamber, it is set on the air suspension shaft sleeve, and it has certain interval, the spray between the air suspension shaft sleeve
Multiple nozzles, circumferential inner wall radial distribution of the nozzle along the jet chamber, the jet of the nozzle are provided with air cavity
Direction is consistent with the tangential direction of the air-bearing shafts direction of rotation, and the nozzle connects with the gap, is the air supporting axle suspension
It is floating that compressed air is provided, when the compressed air in the gap reaches certain pressure value so that the air-bearing shafts, which are in, to suspend
State and the air-bearing shafts rotate with the main shaft with rotating speed；When the gap non-compressed air, then the air-bearing shafts and institute
Jet chamber is stated directly to contact；
End cap, it is connected with the end face of the air-bearing shafts and nozzle chamber, for building sealing space and to the air-bearing shafts
Play thrust function in end face；
Calm the anger chamber, it is arranged on the other end of the main shaft, and the intracavitary of calming the anger, which is provided with, and the main shaft is androgynous rotates
Impeller, the intracavitary of calming the anger is provided with first row gas port, second exhaust port and pressure sensor, the first row gas port connection
The jet chamber, the second exhaust port connect the combustion chamber of engine or generator and set pressure unidirectional on connecting line
Valve；
Gas flow adjuster, it is arranged on the pipeline that the first row gas port connects with the jet chamber, the gas
Valve element in body flow regulator is used for the sectional area for controlling or changing gas channel, so as to control gas flow；
Velocity sensor, it is arranged on the air-bearing shafts, for sensing the rotating speed of the air-bearing shafts；
Controller, it is connected with the gas flow adjuster, pressure sensor and velocity sensor, and the controller will
The rotating speed of velocity sensor transmission and the rotating speed of the main shaft received draws speed deviation after being compared,
Pressure divergence value is calculated according to the speed deviation, the controller controls the gas according to the pressure divergence value
Amplitude that valve element in flow regulator is opened adjusts the pressure value of the jet intracavitary, so as to by the rotating speed of the air-bearing shafts
It is adjusted to be consistent with the speed of mainshaft；The pressure value that the pressure sensor sensing is received when controller is more than preset pressure value
When, the controller controls the pressure check valve to open, that is, starts to supply gas to the combustion chamber of engine or generator.
Preferred scheme is：The jet chamber is located in the composite shaft axle sleeve.
Preferred scheme is：Between the jet chamber and composite shaft axle sleeve set compressed air distribution cavity, the nozzle its
Inlet end connects with the distribution cavity of the compressed air, and the port of export connects with the gap of the air-bearing shafts axle sleeve and jet chamber.
Preferred scheme is：It is described be arranged on described main shaft one end drive the power configuration of the main shaft rotation can be motor,
Gear forms or motor, belt wheel, transmission belt are formed, and can also be set in one end of main shaft by gas-powered, the whirlpool coaxial with main shaft
Wheel.
Preferred scheme is：The drive device is motor
The method of work of composite bearing, step include：
1) drive shaft rotates, and supporting the main shaft by rolling bearing rotates；
2) intracavitary of calming the anger and the impeller of the androgynous rotation of main shaft produce air-flow, and deposit generation high pressure gas in the intracavitary collection of calming the anger
Body, the gases at high pressure enter jet intracavitary by first row gas port, and the gas sprayed by nozzle is acted on air-bearing shafts；
3) air-bearing shafts are in suspended state in the presence of gas, and controller transmits the velocity sensor received
Rotating speed and the main shaft rotating speed be compared after draw speed deviation, be calculated according to the speed deviation
Pressure divergence value, the controller control the amplitude of the unlatching of the valve element in gas flow adjuster according to the pressure divergence value
To adjust the pressure value of the jet intracavitary, so as to which the rotating speed of the air-bearing shafts is adjusted to be consistent with the speed of mainshaft；When
When the pressure value that controller receives the pressure sensor sensing is more than preset pressure value, the controller controls the pressure list
Opened to valve, that is, start to provide compressed air to the combustion chamber of engine or generator；
4) driving power of the main shaft is closed, when the pressure of the intracavitary of calming the anger is less than preset pressure value, the pressure
Closed check valve, stop providing compressed air to the combustion chamber of engine or generator, with the gas pressure of the intracavitary of calming the anger
Power is gradually reduced, and the air-bearing shafts are gradually reverted to motion original state by suspended state, is contacted with jet chamber, the main shaft
Inertia energy continues to rotate under rolling bearing supporting, until stopping completely.
The present invention has the beneficial effect that：
(1) steady-working state has the advantages of pressure-feed air bearing, i.e. low friction, low energy consumption, high accuracy, stability is good
Deng；
(2) supported when the main shaft of air-bearing composite shaft starts by rolling bearing, starting torque is small and easily starts up；
(3) supported when air-bearing composite shaft starts by rolling bearing, air-bearing shafts will not be damaged during startup；
(4) when driving power disappears, after air supporting pressure is gradually reduced, air-bearing shafts are stopped, the inertia energy band of main shaft
Dynamic rolling bearing continues to rotate, and until stopping completely, will not damage air-bearing shafts；
(5) air-bearing composite shaft both ends are equipped with end face thrust bearing, can effectively prevent main shaft axial float.
Brief description of the drawings
Fig. 1 is the structural representation of air-bearing shafts in the present invention；
Fig. 2 is the structural representation of static pressure air-bearing composite shaft of the present invention；
Fig. 3 is the component diagram of air-bearing shafts in invention；
Fig. 4 is the component diagram of air-bearing shafts axle sleeve in invention；
Fig. 5 is the component diagram of invention static pressure air-bearing composite shaft.
In figure：1st, rolling bearing, 2, air-bearing shafts axle sleeve, 3, end cap, 4, main shaft, 5, jet chamber, 6, composite shaft axle sleeve, 7, whirlpool
Wheel, 8, impeller, 9, shell, 10, anti-silk nut, 11, nozzle, 12, chamber of calming the anger, 13, pressure check valve, 14, air inlet, 15, the
Two exhaust outlets, 16, first row gas port.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
The invention provides a kind of composite bearing, including：Main shaft 4, its one end are provided with the power dress of drive shaft rotation
Put, the power set can be motor, gear form or motor, belt wheel, transmission belt form, also can main shaft one end set by
Gas-powered, the turbine coaxial with main shaft；Two rolling bearings 1, its inner ring are described two with the compression fit of main shaft 4
Rolling bearing 1 is spaced apart；Air suspension shaft sleeve 2, it is set on the main shaft 4, and its inwall is outer with the rolling bearing 1
Compression fit is enclosed, the air suspension shaft sleeve 2 forms air-bearing shafts with described two rolling bearings 1, set on the outer wall of the air suspension shaft sleeve 2
Put multiple multiple airslides around the central shaft circumference array of air suspension shaft sleeve 2, the airslide is along the end face of air suspension shaft sleeve 2
Extend to inner side, and width ecto-entad is gradually reduced, along the axial direction of the air suspension shaft sleeve 2 on spaced apart set
Put protruding block；Jet chamber 5, it is set on the air suspension shaft sleeve 2, and it has certain interval, institute between the air suspension shaft sleeve 2
State and multiple nozzles 11 are provided with jet chamber 5, circumferential inner wall radial distribution of the nozzle 11 along the jet chamber 5 is described
The jet direction of nozzle 11 is consistent with the tangential direction of the air-bearing shafts direction of rotation, and the nozzle 11 connects with the gap,
Suspended for the air-bearing shafts and compressed air is provided, when the compressed air in the gap reaches certain pressure value so that described
Air-bearing shafts are in suspended state and the air-bearing shafts rotate with the main shaft 4 with rotating speed；When the gap non-compressed air, then
The air-bearing shafts directly contact with the jet chamber 5；End cap 3, it is connected with the end face of the air-bearing shafts and jet chamber 5, is used for
Build sealing space and effect is pushed away to the air supporting axial end start-stop；To calm the anger chamber 12, it is arranged on the other end of the main shaft 4,
The impeller 8 with the androgynous rotation of the main shaft 4 is provided with the chamber 12 of calming the anger, first row gas port is provided with the chamber 12 of calming the anger
16th, second exhaust port 15 and pressure sensor, the first row gas port 16 connect the jet chamber 5, the second exhaust port 15
Connect the combustion chamber of engine or generator and pressure check valve 13 is set on connecting line；Gas flow adjuster, it sets
Put on the pipeline connected in the first row gas port 16 with the jet chamber 5, the valve element in the gas flow adjuster is used for
Control or the sectional area for changing gas channel, so as to control gas flow；Velocity sensor, it is arranged on the air-bearing shafts,
For sensing the rotating speed of the air-bearing shafts；Controller, itself and the gas flow adjuster, pressure sensor and velocity sensor
Connection, the controller rotating speed that the velocity sensor received transmits are compared with the rotating speed of the main shaft 4 point
Speed deviation is drawn after analysis, pressure divergence value is calculated according to the speed deviation, the controller is according to the pressure
Power deviation controls the amplitude that the valve element in the gas flow adjuster is opened to adjust the pressure value in the jet chamber 5,
So as to which the rotating speed of the air-bearing shafts is adjusted to be consistent with the rotating speed of main shaft 4；When controller receives the pressure sensor sense
When the pressure value of survey is more than preset pressure value, the controller controls the pressure check valve 13 to open, that is, starts to engine
Or the combustion chamber of generator is supplied gas.The jet chamber 5 is located in the composite shaft axle sleeve 6, in the jet chamber 5 and composite shaft axle
Compressed air distribution cavity is set between set 6, and described its inlet end of nozzle 11 connects with the distribution cavity of the compressed air, the port of export
Connected with the gap of the air-bearing shafts axle sleeve 2 and jet chamber 5.
In certain embodiments, more than two rolling bearing also can be set, so that main shaft 4 obtains more stable rolling
Support.
The present invention proposes a kind of method of work of composite bearing, and step includes：
1) drive shaft 4 rotates, and supporting the main shaft 4 by rolling bearing 1 rotates；
2) calm the anger in chamber 12 and the androgynous impeller 8 rotated of main shaft 4 produces air-flow, and collect in the chamber 12 of calming the anger and deposit generation
Gases at high pressure, the gases at high pressure enter jet intracavitary by first row gas port 16, and the gas sprayed by nozzle 11 acts on gas
On floating axle；
3) air-bearing shafts are in suspended state in the presence of gas, and controller transmits the velocity sensor received
Rotating speed and the main shaft 4 rotating speed be compared after draw speed deviation, calculated according to the speed deviation
Go out pressure divergence value, the controller controls the width of the unlatching of the valve element in gas flow adjuster according to the pressure divergence value
Degree adjusts the pressure value of the jet intracavitary 5, so as to by the rotating speed of the air-bearing shafts be adjusted to for the rotating speed one of main shaft 4
Cause；When the pressure value that controller receives the pressure sensor sensing is more than preset pressure value, described in the controller control
Pressure check valve is opened, that is, starts to provide compressed air to the combustion chamber of engine or generator；
4) driving power of the main shaft 4 is closed, when the pressure calmed the anger in chamber 12 is less than preset pressure value, the pressure
Power check valve 13 is closed, and is stopped providing compressed air to the combustion chamber of engine or generator, is calmed the anger with described in chamber 12
Gas pressure is gradually reduced, and the air-bearing shafts are gradually reverted to motion original state by suspended state, is contacted with jet chamber 5, institute
The inertia energy for stating main shaft 4 continues to rotate under the rolling bearing 1 supporting, until stopping completely.
Illustrate that operation principle is as follows by taking turbocharger as an example：After automotive ignition, engine is by after lasting discharge burning
Tail gas, vehicle exhaust start main shaft 4, main shaft 4 is by the axis of rolling as power source is started by blowing the turbine coaxial with main shaft
Hold 1 supporting rotation.Main shaft 4 drives the impeller 8 of the other end to work, and when impeller 8 persistently rotates, pressure will be produced in the body of chamber 12 of calming the anger
Contracting air.When compressed air pressure reaches certain value, air-bearing shafts are in rotation status in the body of jet chamber 5；The axis of rolling
Hold 1, air-bearing shafts axle sleeve 2 to rotate with main shaft 4 is androgynous, now main shaft 4 and the axis of rolling 1 hold, are in relatively quiet between air-bearing shafts axle sleeve 3
Only state；The gas part supply air-bearing shafts calmed the anger in chamber 12, another part supply engine；So in the band of vehicle exhaust
Under dynamic, the can of impeller 8 is persistently rotated, and endlessly compressed air is provided for engine.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (6)
1. composite bearing, it is characterised in that including：
Main shaft, its one end are provided with the power set of drive shaft rotation；
Two rolling bearings, its inner ring are spaced apart with the main shaft compression fit, described two rolling bearings；
Air suspension shaft sleeve, it is set on the main shaft, the outer ring compression fit of its inwall and the rolling bearing, the air-bearing shafts
Set forms air-bearing shafts with described two rolling bearings, is set on the outer wall of the air suspension shaft sleeve multiple around air suspension shaft sleeve central shaft
Multiple airslides of circumference array, the airslide extends along the air suspension shaft sleeve end face to inner side, and width ecto-entad
Be gradually reduced, along the axial direction of the air suspension shaft sleeve on setting protruding block spaced apart；
Jet chamber, it is set on the air suspension shaft sleeve, and it has certain interval, the jet chamber between the air suspension shaft sleeve
Inside it is provided with multiple nozzles, circumferential inner wall radial distribution of the nozzle along the jet chamber, the jet direction of the nozzle
Consistent with the tangential direction of the air-bearing shafts direction of rotation, the nozzle connects with the gap, suspends and carries for the air-bearing shafts
For compressed air, when the compressed air in the gap reaches certain pressure value so that the air-bearing shafts are in suspended state
And the air-bearing shafts rotate with the main shaft with rotating speed；When the gap non-compressed air, then the air-bearing shafts and the spray
Air cavity directly contacts；
End cap, it is connected with the end face of the air-bearing shafts and nozzle chamber, for building sealing space and to the air supporting axial end
Play thrust function；
Calm the anger chamber, it is arranged on the other end of the main shaft, and the intracavitary of calming the anger is provided with and the leaf of the androgynous rotation of the main shaft
Wheel, the intracavitary of calming the anger are provided with first row gas port, second exhaust port and pressure sensor, described in the first row gas port connection
Jet chamber, the second exhaust port connect the combustion chamber of engine or generator and pressure check valve are set on connecting line；
Gas flow adjuster, it is arranged on the pipeline that the first row gas port connects with the jet chamber, the gas stream
Valve element in amount adjuster is used for the sectional area for controlling or changing gas channel, so as to control gas flow；
Velocity sensor, it is arranged on the air-bearing shafts, for sensing the rotating speed of the air-bearing shafts；
Controller, it is connected with the gas flow adjuster, pressure sensor and velocity sensor, and the controller will receive
To velocity sensor transmission rotating speed and the main shaft rotating speed be compared after draw speed deviation, according to
Pressure divergence value is calculated in the speed deviation, and the controller controls the gas flow according to the pressure divergence value
The amplitude that valve element in adjuster is opened adjusts the pressure value of the jet intracavitary, so that the rotating speed of the air-bearing shafts be adjusted to
To be consistent with the speed of mainshaft；When the pressure value that controller receives the pressure sensor sensing is more than preset pressure value,
The controller controls the pressure check valve to open, that is, starts to supply gas to the combustion chamber of engine or generator.
2. composite bearing according to claim 1, it is characterised in that be also located at including composite shaft axle sleeve, the jet chamber
In the composite shaft axle sleeve.
3. composite bearing according to claim 2, it is characterised in that set between the jet chamber and composite shaft axle sleeve
Compressed air distribution cavity, its inlet end of the nozzle connect with the distribution cavity of the compressed air, the port of export and the air-bearing shafts
Axle sleeve connects with the gap of jet chamber.
4. composite bearing according to claim 1, it is characterised in that described to be arranged on main shaft one end driving master
The power configuration of axle rotation can be motor, gear forms or motor, belt wheel, transmission belt are formed, and can also be set in one end of main shaft
By gas-powered, the turbine coaxial with main shaft.
5. composite bearing according to claim 1, it is characterised in that the drive device is motor.
6. the method for work of composite bearing, it is characterised in that step includes：
1) drive shaft rotates, and supporting the main shaft by rolling bearing rotates；
2) intracavitary of calming the anger and the impeller of the androgynous rotation of main shaft produce air-flow, and deposit generation gases at high pressure in the intracavitary collection of calming the anger,
The gases at high pressure enter jet intracavitary by first row gas port, and the gas sprayed by nozzle is acted on air-bearing shafts；
3) air-bearing shafts are in suspended state in the presence of gas, and controller turns what the velocity sensor received transmitted
Fast and main shaft rotating speed draws speed deviation after being compared, and pressure is calculated according to the speed deviation
Deviation, the controller are adjusted according to the amplitude of the unlatching of the valve element in pressure divergence value control gas flow adjuster
The pressure value of the jet intracavitary is saved, so as to which the rotating speed of the air-bearing shafts is adjusted to be consistent with the speed of mainshaft；Work as control
When the pressure value that device receives the pressure sensor sensing is more than preset pressure value, the controller controls the pressure check valve
Open, that is, start to provide compressed air to the combustion chamber of engine or generator；
4) driving power of the main shaft is closed, and when the pressure of the intracavitary of calming the anger is less than preset pressure value, the pressure is unidirectional
Valve close, stop to the combustion chamber of engine or generator provide compressed air, with the intracavitary of calming the anger gas pressure by
Gradually reduce, the air-bearing shafts are gradually reverted to motion original state by suspended state, are contacted with jet chamber, the inertia of the main shaft
Energy continues to rotate under rolling bearing supporting, until stopping completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184317.5A CN107763071A (en) | 2017-11-23 | 2017-11-23 | Composite bearing and method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184317.5A CN107763071A (en) | 2017-11-23 | 2017-11-23 | Composite bearing and method of work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107763071A true CN107763071A (en) | 2018-03-06 |
Family
ID=61275518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711184317.5A Withdrawn CN107763071A (en) | 2017-11-23 | 2017-11-23 | Composite bearing and method of work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107763071A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727927A (en) * | 2020-12-28 | 2021-04-30 | 北京理工大学 | Air bearing for air compressor of fuel cell system |
| CN113027922A (en) * | 2021-03-12 | 2021-06-25 | 山东赛马力发电设备有限公司 | High-speed air suspension bearing |
| CN114808529A (en) * | 2022-05-13 | 2022-07-29 | 杭州特种纸业有限公司 | Desalting device for vulcanized fiber paper production |
-
2017
- 2017-11-23 CN CN201711184317.5A patent/CN107763071A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727927A (en) * | 2020-12-28 | 2021-04-30 | 北京理工大学 | Air bearing for air compressor of fuel cell system |
| CN112727927B (en) * | 2020-12-28 | 2021-11-02 | 北京理工大学 | Air bearing for air compressor of fuel cell system |
| CN113027922A (en) * | 2021-03-12 | 2021-06-25 | 山东赛马力发电设备有限公司 | High-speed air suspension bearing |
| CN114808529A (en) * | 2022-05-13 | 2022-07-29 | 杭州特种纸业有限公司 | Desalting device for vulcanized fiber paper production |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180306 |
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