CN108180220A - A kind of hydrostatic gas-lubricated bearing device - Google Patents
A kind of hydrostatic gas-lubricated bearing device Download PDFInfo
- Publication number
- CN108180220A CN108180220A CN201711260325.3A CN201711260325A CN108180220A CN 108180220 A CN108180220 A CN 108180220A CN 201711260325 A CN201711260325 A CN 201711260325A CN 108180220 A CN108180220 A CN 108180220A
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- Prior art keywords
- current
- bearing
- inflatable chamber
- gas
- limiting mechanism
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- F16C32/0622—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 via nozzles, restrictors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of hydrostatic gas-lubricated bearing devices, including at least gas bearing and cylinder, the gas bearing annular space is equipped in can move reciprocatingly in the cylinder and in cylinder, the gas bearing includes cylindric bearing body, several current-limiting mechanisms being set on the bearing body and axially disposed inflatable chamber in bearing body, the current-limiting mechanism is closely connected with bearing body by screw thread, the current-limiting mechanism is equipped with current limliting through-hole, the inflatable chamber is connected by current limliting through-hole with annular space, the front end of the inflatable chamber is closely connected with one-way air inlet mechanism, the inflatable chamber is connected by one-way air inlet mechanism with unidirectionally stopping general formula outside inflatable chamber；Hydrostatic gas-lubricated bearing device of the present invention is by simplifying current-limiting mechanism and coordinating improvement inflatable chamber, so that at low cost, easy processing, easily assembling are safeguarded, the current-limiting mechanism of different restricted flow passages can also be coordinated according to different operating modes, especially suitable in free-piston type acoustic energy refrigeration machine.
Description
Technical field
The present invention is to be related to a kind of hydrostatic gas-lubricated bearing device, belongs to fluid circulating devices technical field.
Background technology
With the compactedness that the continuous development of industrial technology, people run equipment, the requirement of reliability and long-life property
It is higher and higher.For reciprocating motion of the piston in cylinder, the drawbacks of passing through oil lubrication exposed day by day, it is especially past in free-piston
In the equipment moved again, either for piston or displacer, the gas bearing of oil-free lubrication all receives favor.Due to gas
The presence of bearing, with the movement of piston, when reaching certain pressure, working gas can enter inflatable chamber by check-valves, with
High-speed flow is formed by metering hole afterwards, and is ejected into cylinder inner wall and generates a floor height and calm the anger film, so as to make piston and cylinder
Relative motion obtains gas film lubrication, gas bearing have frictional resistance is extremely low, speed is high, precision is high, with small vibration, low noise, friction
The many merits such as small, broad application temperature range is wide, pollution-free, long lifespan are lost, meanwhile, there is also structures for existing gas bearing
Complicated, accuracy of manufacture requirement height and the deficiency to involve great expense.
And the key for influencing gas bearing performance is the current-limiting mechanism at the metering hole in gas bearing, existing gas axis
It holds and uses the structure of current-limiting mechanism varied with type, there is screw-type, capillary type, accurate channel-style and porous media type
Deng, such as Chinese patent 02819435.7 discloses a kind of Hydrodynamic bearing device of mechanical equipment, current-limiting mechanism is setting
In on piston side wall and be equipped with can be by the through-hole structure of more hollow bodies of fluid, the current limliting of the air bearing devices of this kind of form
Mechanism is complicated, handling are inconvenient by more hollow body media implementations, difficult in maintenance when particularly more hollow bodies blockings need to safeguard,
And it is high to production material and manufacturing technique requirent, it is unfavorable for mass production.According to the difference of operating mode, for gas bearing
" rigidity " demand is also not quite similar, existing gas bearing once assembly be completed, current-limiting mechanism formed restricted flow passage aperture and
Length is then fixed from changing, this obviously limits the application range of gas bearing.Therefore, people are thirsted for by current-limiting mechanism
Emphasis improve and coordinate to the adjustment of the overall structures of air bearing devices, so as to obtain a kind of hydrostatic gas-lubricated bearing device,
Of simple structure and low cost, material is easy to get, reliability is high, service life is long, convenient for loading and unloading and safeguarding, to meet people to quiet
Press the mass production demand of air bearing devices.
Invention content
In view of the above-mentioned problems existing in the prior art and demand, the object of the present invention is to provide a kind of hydrostatic gas-lubricated bearing dresses
It puts, of simple structure and low cost, material is easy to get, reliability is high, service life is long, convenient for loading and unloading and safeguarding, to meet people
To the mass production demand of hydrostatic gas-lubricated bearing device.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of hydrostatic gas-lubricated bearing device, including at least gas bearing and cylinder, the gas bearing annular space is equipped with
In can move reciprocatingly in the cylinder and in the cylinder, the gas bearing includes cylindric bearing body, Shuo Geshe
It is placed in the current-limiting mechanism on the bearing body and axially disposed inflatable chamber in the bearing body, feature exists
In：The current-limiting mechanism is closely connected with the bearing body by screw thread, and the current-limiting mechanism is equipped with current limliting through-hole,
The inflatable chamber is connected by the current limliting through-hole with the annular space, and the front end of the inflatable chamber is connected with one-way air inlet mechanism,
The inflatable chamber is connected by the one-way air inlet mechanism with unidirectionally stopping general formula outside the inflatable chamber.
A kind of embodiment, the aperture of the current limliting through-hole is 0.05mm~0.08mm.
A kind of embodiment, several current-limiting mechanisms is are internally provided with current limliting through-hole, outside sets threaded bolt knot
Structure, the top of the current limliting through-hole, which is equipped with, expands flow structure, and the expansion flow structure is circular platform type or cylindrical type.
As further preferred scheme, the bearing body is equipped with the screw thread being equipped with the current-limiting mechanism and is adapted
Threaded hole.
As further preferred scheme, the threaded hole extension offers port.
As further preferred scheme, the current limliting via top be equipped be adapted with screw installation tool "-" type,
Cross or triangular form assembling groove.
As further preferred scheme, the current-limiting mechanism is copper material.
Preferably, several current-limiting mechanisms are circumferentially uniformly embedded at outside the bearing body along same vertical section
On surface.
Preferably, it is respectively included equipped with two groups several circumferentially uniformly distributed positioned at same vertical section upper edge bearing body
The current-limiting mechanism, current-limiting mechanism described in one of which are set close to the bearing body front end, current-limiting mechanism described in another group
It is set far from the bearing body front end.
As further preferred scheme, radially 45 ° of angle is staggered between current-limiting mechanism described in two groups.
As further preferred scheme, every group of current-limiting mechanism includes 4 current-limiting mechanisms.
A kind of embodiment, the one-way air inlet mechanism include valve body, filtration core and valve block, the valve body equipped with inlet channel
It is closely connect with the inner wall of the inflatable chamber, the valve block opening and closing type is connected at the gas outlet of shown inlet channel, shown
Valve body is fixed on the openend of the inflatable chamber, the filtering by being set to the clamp spring limiting at the inlet channel air inlet
Core is set in the inlet channel.
Further embodiment is additionally provided with lift limiter on the valve block of the one-way air inlet mechanism.
Preferably, closely connected by the sealing ring being equipped between the inflatable chamber and the one-way air inlet mechanism
It connects.
Compared with prior art, the present invention has the advantages that：
The current limliting of hydrostatic gas-lubricated bearing device of the present invention is occurred over just in the current limliting through-hole of current-limiting mechanism, and fitted shaft
Intrinsic inflatable chamber is held, simple in structure, performance is stablized；By the structure for simplifying current-limiting mechanism so that material is easy to get, cost
Difficulty that is cheap, greatly reducing processing technology, and convenient for handling and safeguard, prolong the service life；It can also be according to different operating modes
Use demand, the current-limiting mechanism that cooperation selects or the aperture of replacement restricted flow passage is different with length, to reach needed for actual condition
Ideal gas bearing " rigidity ", in addition, the present invention is especially suitable in free-piston type refrigeration machine, people can be met to static pressure
The mass production demand of air bearing devices has significant progress and good application value.
Description of the drawings
Fig. 1 is a kind of hydrostatic gas-lubricated bearing apparatus structure schematic diagram that the embodiment of the present invention 1 provides；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 2；
Fig. 4 is the C-C sectional views of Fig. 1；
Fig. 5 is the D-D sectional views of Fig. 4；
Fig. 6 provides the structure diagram of 1 current-limiting mechanism for the embodiment of the present invention；
Fig. 7 is the structure diagram of gas bearing that the embodiment of the present invention 1 provides；
Fig. 8 is the decomposing state schematic diagram of gas bearing that the embodiment of the present invention 1 provides；
Fig. 9 is the vertical view of one-way air inlet mechanism that the embodiment of the present invention 1 provides；
Figure 10 is the structure diagram of lift limiter that the embodiment of the present invention 1 provides；
Figure 11 is the side view of lift limiter that the embodiment of the present invention 1 provides；
Figure 12 is the structure diagram of clamp spring that the embodiment of the present invention 1 provides；
Figure 13 is the structure diagram of current-limiting mechanism that the embodiment of the present invention 2 provides；
Figure 14 is the E-E sectional views of Figure 13.
Figure label is schematically as follows：1st, gas bearing；11st, bearing body；111st, port；12nd, current-limiting mechanism；121st, current limliting
Through-hole；1211st, assembling groove；13rd, inflatable chamber；14th, one-way air inlet mechanism；141st, valve body；1411st, inlet channel；142nd, clamp spring；
143rd, valve block；144th, filtration core；145th, lift limiter；15th, sealing ring；2nd, cylinder；21st, compression chamber；3rd, annular space.
Specific embodiment
Technical scheme of the present invention is described in further detail below in conjunction with drawings and examples.
Embodiment 1
With reference to shown in Fig. 1 to Figure 12, a kind of hydrostatic gas-lubricated bearing device provided in this embodiment, including at least gas bearing
1 and cylinder 2,1 annular space of gas bearing is equipped in the cylinder 2 and can move reciprocatingly in the cylinder 2, is
Convenient for observation, the size of annular space 3 has been amplified in attached drawing, and the gas bearing 1 includes cylindric bearing body 11, several
The current-limiting mechanism 12 and axially disposed inflatable chamber 13 in the bearing body 11 being set on the bearing body 11,
The current-limiting mechanism 12 is closely connected with the bearing body 11 by screw thread, and Finite Circulation is set on the current-limiting mechanism 12
Hole 121, the inflatable chamber 13 are connected by the current limliting through-hole 121 with the annular space 3, " upstream " in working air current
The front end of the inflatable chamber 13 is connected with one-way air inlet mechanism 14, and the inflatable chamber 13 passes through the one-way air inlet mechanism 14 and institute
Unidirectionally only general formula connection outside inflatable chamber is stated, the aperture of the current limliting through-hole 121 is 0.05mm-0.08mm.
In the present embodiment, several current-limiting mechanisms 12 for be internally provided with current limliting through-hole 121, outside sets threaded spiral shell
Stud structure, the top of the current limliting through-hole 121, which is equipped with, expands flow structure, and the flow structure that expands is cylindrical structure, the bearing sheet
Body 11 is equipped with the threaded hole being adapted with the screw thread that the current-limiting mechanism 12 is equipped with, and the threaded hole extension offers port
111, as shown in Fig. 2-Fig. 6.
In the present embodiment, above-mentioned current-limiting mechanism 12 is copper material.
In order to inhibit the radial deflection of gas bearing during the motion, equipped with current-limiting mechanism 12 described in two groups, every group of institute
It states current-limiting mechanism 12 and includes several current-limiting mechanisms 12 circumferentially uniformly distributed along same vertical section, the current-limiting mechanism 12 is embedded at
On 11 outer surface of bearing body, current-limiting mechanism 12 described in one of which is set close to 11 front end of bearing body, another
The group current-limiting mechanism 12 is set far from 11 front end of bearing body, radially angle between current-limiting mechanism 12 described in two groups
45 ° are staggered, as shown in Figure 7, Figure 8.
In order to adapt to different operating modes, in the present embodiment, every group of current-limiting mechanism 12 includes 4 current-limiting mechanisms,
More or less than 4 current-limiting mechanisms 12 can be set respectively close to 11 both ends of bearing body, size is with respect to position
It puts, shape and directional angle are variable.
In the present embodiment, the one-way air inlet mechanism 14 includes valve body 141 and valve block 143, equipped with inlet channel 1411
Valve body 141 closely connect with the inner wall of the inflatable chamber 13,143 opening and closing type of valve block is connected to shown inlet channel
At 1411 gas outlet, shown valve body 141 limits fixation by being set to the clamp spring 142 at 141 air inlet of inlet channel
In the openend of the inflatable chamber 13, as shown in Fig. 2, Fig. 5 and Fig. 9-Figure 12.
In the present embodiment, the one-way air inlet mechanism 14 further includes filtration core 144, the inlet channel 1411 be equipped with
The step pore structure of heavy caliber section and heavy caliber section, the filtration core 144 are set to the heavy caliber section of the inlet channel 1411
At interior step, as shown in Figure 2.
In the present embodiment, lift limiter 145 is additionally provided on the valve block 143 of the one-way air inlet mechanism 14, such as Fig. 8 institutes
Show.
In the present embodiment, the one-way air inlet mechanism 14 can also be only hold gas unidirectional by check-valves.
For convenience of integrated molding, in the present embodiment, the inflatable chamber 13 is the blind pass structure that a cross section is annular,
One end of the inflatable chamber 13 is the openend as 13 front end of inflatable chamber, and the other end is remains silent by what bearing body 11 limited
End, as shown in Fig. 2, Fig. 5, Fig. 8 and Fig. 9.
In view of sealing compactness, the openend of the inflatable chamber 13 is close by what is be equipped with the one-way air inlet mechanism 14
Seal 15 is closely completely embedded connection, as shown in Fig. 2, Fig. 5.
As shown in Fig. 2, Fig. 5, with movement of the gas bearing 1 in cylinder 2, the only pressure when the compression chamber 21 of cylinder 2
During more than pressure in the inflatable chamber 13 of gas bearing 1, the valve block 143 of one-way air inlet mechanism 14 is opened, working gas (such as helium
Gas) inflatable chamber 13 that is entered after the filtering of filter core 144 by the inlet channel 1411 of valve body 141, make pressure in inflatable chamber 13
It increases, the high pressure gas in inflatable chamber forms high-speed flow, then be diffused into the gas through port 111 after current limliting through-hole 121
In annular space 3 between body bearing 1 and the cylinder 3, then in annular space 3 formed high pressure air film, so as to prevent gas bearing 1 with
Cylinder 2 is in contact friction, so far obtains hydrostatic gas-lubricated bearing device.
Embodiment 2
With reference to shown in Figure 13 and Figure 14, a kind of hydrostatic gas-lubricated bearing device provided in this embodiment, the difference with embodiment 1
Part is only that：The expansion flow structure is circular platform type, and the aperture of the current limliting through-hole 121 is 0.06mm-0.07mm, circular platform type
Expanding flow structure causes the high pressure gas in inflatable chamber 13 to form high-speed flow diffusion after current limliting through-hole 121 evenly, more sharp
In the stable operation of hydrostatic gas-lubricated bearing device.
Preferably, in the present embodiment, as shown in Figure 13 and Figure 14, it is equipped at 121 top of current limliting through-hole
The "-" type that is adapted with screw installation tool, cross or triangular form assembling groove 1211 facilitate the peace of current-limiting mechanism 12
Dress and dismounting.In addition, hydrostatic gas-lubricated bearing device of the present invention is especially suitable in free-piston type refrigeration machine, in this implementation
In example, the current limliting of the hydrostatic gas-lubricated bearing device is occurred over just in the current limliting through-hole of current-limiting mechanism, and in fitted bearing ontology
Inflatable chamber, it is simple in structure, performance is stable, unfailing performance is high, suitable for batch production；By simplifying the structure of current-limiting mechanism,
The difficulty of processing technology so that material is easy to get, is of low cost, greatly reducing, and convenient for handling and safeguard, prolong the service life；
Also it can coordinate the current-limiting mechanism that the aperture of selection or replacement restricted flow passage is different with length according to different operating mode use demands, with
Reach the ideal gas bearing " rigidity " needed for actual condition.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific embodiment of the present invention, but the present invention
Protection domain be not limited thereto, any one skilled in the art in the technical scope disclosed by the present invention,
The change or replacement that can be readily occurred in, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of hydrostatic gas-lubricated bearing device, including at least gas bearing and cylinder, the gas bearing annular space be equipped in
It can move reciprocatingly in the cylinder and in the cylinder, the gas bearing includes cylindric bearing body, several settings
In the current-limiting mechanism on the bearing body and axially disposed inflatable chamber in the bearing body, it is characterised in that：
The current-limiting mechanism is closely connected with the bearing body by screw thread, and the current-limiting mechanism is equipped with current limliting through-hole, institute
It states inflatable chamber to connect with the annular space by the current limliting through-hole, the front end of the inflatable chamber is connected with one-way air inlet mechanism, institute
Inflatable chamber is stated to connect with unidirectionally stopping general formula outside the inflatable chamber by the one-way air inlet mechanism.
2. hydrostatic gas-lubricated bearing device according to claim 1, it is characterised in that：The aperture of the current limliting through-hole is
0.05mm~0.08mm.
3. hydrostatic gas-lubricated bearing device according to claim 1, it is characterised in that：Several current-limiting mechanisms are set for inside
Current limiting through-hole, outside set threaded bolt arrangement, and the top of the current limliting through-hole, which is equipped with, expands flow structure, the expansion flow structure
For circular platform type or cylindrical type.
4. hydrostatic gas-lubricated bearing device according to claim 3, it is characterised in that：The bearing body be equipped with it is described
The threaded hole that the screw thread that current-limiting mechanism is equipped with is adapted, the threaded hole extension offer port.
5. hydrostatic gas-lubricated bearing device according to claim 3, it is characterised in that：The current limliting via top is equipped with and spiral shell
Silk installation tool be adapted "-" type, cross or triangular form assembling groove.
6. according to the hydrostatic gas-lubricated bearing device described in claim 1-5 any claims, it is characterised in that：The current limliting machine
Structure is copper material.
7. hydrostatic gas-lubricated bearing device according to claim 1, it is characterised in that：Several current-limiting mechanisms are indulged along same
Section is circumferentially uniformly embedded on the bearing body outer surface.
8. hydrostatic gas-lubricated bearing device according to claim 7, it is characterised in that：Several be located at is respectively included equipped with two groups
The circumferentially uniformly distributed current-limiting mechanism of same vertical section upper edge bearing body, current-limiting mechanism is close to the bearing described in one of which
Ontology front end is set, and current-limiting mechanism described in another group is set far from the bearing body front end.
9. hydrostatic gas-lubricated bearing device according to claim 8, it is characterised in that：Along diameter between current-limiting mechanism described in two groups
It is staggered for 45 ° to angle.
10. hydrostatic gas-lubricated bearing device according to claim 1, it is characterised in that：The one-way air inlet mechanism includes valve
Body, filtration core and valve block, the valve body equipped with inlet channel are closely connect with the inner wall of the inflatable chamber, the valve block opening and closing type
It is connected at the gas outlet of shown inlet channel, shown valve body is limited by being set to the clamp spring at the inlet channel air inlet
The openend of the inflatable chamber is fixed on, the filtration core is set in the inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260325.3A CN108180220A (en) | 2017-12-04 | 2017-12-04 | A kind of hydrostatic gas-lubricated bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260325.3A CN108180220A (en) | 2017-12-04 | 2017-12-04 | A kind of hydrostatic gas-lubricated bearing device |
Publications (1)
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|---|---|
| CN108180220A true CN108180220A (en) | 2018-06-19 |
Family
ID=62545568
Family Applications (1)
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|---|---|---|---|
| CN201711260325.3A Pending CN108180220A (en) | 2017-12-04 | 2017-12-04 | A kind of hydrostatic gas-lubricated bearing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994967A (en) * | 2019-04-23 | 2019-07-09 | 朱华军 | A kind of antisitic defect automatic alarm wire stripper |
| JP7149403B1 (en) * | 2021-12-24 | 2022-10-06 | 株式会社振研 | Shaft member, air bearing mechanism, and vibration generator |
| WO2023051158A1 (en) * | 2021-09-29 | 2023-04-06 | 永旭腾风新能源动力科技（北京）有限公司 | Gas bearing assembly and gas turbine |
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