CN209340199U - Bearing seat assembly structure with annular air inlet cavity and compressor - Google Patents
Bearing seat assembly structure with annular air inlet cavity and compressor Download PDFInfo
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- CN209340199U CN209340199U CN201822196340.2U CN201822196340U CN209340199U CN 209340199 U CN209340199 U CN 209340199U CN 201822196340 U CN201822196340 U CN 201822196340U CN 209340199 U CN209340199 U CN 209340199U
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- bearing
- bearing block
- gas
- annular groove
- assembling structure
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- 238000007789 sealing Methods 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The disclosure relates to a bearing seat assembling structure and a compressor. Bearing frame assembly structure includes: a bearing seat (20) provided with an air supply channel (21) inside; and a gas bearing (30) provided on the bearing housing (20) for supporting the rotor (10); an annular air inlet cavity (40) is arranged between the bearing seat (20) and the gas bearing (30), and the annular air inlet cavity (40) is communicated with the air supply channel (21). The bearing capacity and the rigidity of the gas bearing can be improved.
Description
Technical field
This disclosure relates to technical field of bearings more particularly to a kind of bearing block assembling structure and pressure with annular inlet chamber
Contracting machine.
Background technique
Centrifugal compressor is a kind of compressor for being rotated using quick runner and generating centrifugal force to carry out gas compression.Mesh
Before, centrifugal compressor mainly uses two kinds of bearings of oil-lubricated bearing and electromagnetic bearing to be supported rotor.Wherein, oil lubrication
Bearing needs mating additional oil supply system, causes centrifugal compressor structure complicated.And rub between oil and rotor,
It will lead to energy loss.In addition, lubricating oil it is also possible to leak into refrigerant, causes the pollution of refrigerant.Electromagnetic bearing is to control
It is more demanding, anti-system shock ability is poor, additionally needs additional circuit breaking protective system.
Hydrostatic gas-lubricated bearing is a kind of bearing that rotor supports are carried out using gas pressure, belongs to oilless bearing.It is this
The structure of bearing is simple, and the friction between gas and rotor is smaller, does not also need complicated control system.Hydrostatic gas-lubricated bearing is adopted
It is supplied with outside, gas pressure can easily be accommodated, and can persistently supply in the start/stop of compressor stage, avoid rotor and bearing
Between contact friction due to the start and stop stage for rotor caused by unsaturated vapor with bearing, improve system stability.
Summary of the invention
Through inventor the study found that bearing capacity and its stiffness effect its work using the hydrostatic gas-lubricated bearing of external gas supply
The superiority and inferiority of performance, and still lack suitable bearing block structure in the related art promoted the bearing capacity of hydrostatic gas-lubricated bearing and just
Degree.
In view of this, the embodiment of the present disclosure provides a kind of bearing block assembling structure and compressor, it is able to ascend gas bearing
Bearing capacity and stiffness.
In one aspect of the present disclosure, a kind of bearing block assembling structure is provided, comprising:
Bearing block, inside are equipped with air supply channel；With
Gas bearing is arranged on the bearing block, is used to support rotor；
Wherein, annular inlet chamber, the annular inlet chamber and institute are equipped between the bearing block and the gas bearing
State air supply channel connection.
In some embodiments, the bearing block includes bearing mounting hole, and the gas bearing is located at bearing installation
In hole, the annular inlet chamber includes: first annular groove, is arranged on the hole wall of the bearing mounting hole.
In some embodiments, the annular inlet chamber further include: the circumferential direction of the gas bearing is arranged in air inlet group
Outer wall, and be connected to the first annular groove.
In some embodiments, the air inlet group the peripheral outer wall side aperture at least partly with described
One annular groove face.
In some embodiments, the air inlet group includes multiple air inlets, along the circumferentially distributed of the gas bearing.
In some embodiments, the multiple air inlet is uniformly distributed along the circumferential direction of the gas bearing.
In some embodiments, the annular inlet chamber further include: the gas bearing is arranged in second annular groove
Peripheral outer wall, and be connected to the first annular groove.
In some embodiments, the second annular groove the peripheral outer wall side notch at least partly with institute
State first annular groove face.
In some embodiments, the bearing block includes bearing mounting hole, and the gas bearing is located at bearing installation
In hole, the annular inlet chamber includes: second annular groove, and the peripheral outer wall of the gas bearing is arranged in.
In some embodiments, sealing structure, the sealing are additionally provided between the bearing block and the gas bearing
Structure is located in at least side of the annular inlet chamber.
In some embodiments, the sealing structure includes: sealing ring and the third ring that is arranged in the gas bearing
Connected in star, the sealing ring are located in the third annular groove.
In some embodiments, the bearing block includes bearing mounting hole, and the gas bearing is located at bearing installation
In hole, the sealing structure includes multiple third annular grooves, and multiple third annular grooves are along the gas bearing
Axial arrangement.
In some embodiments, the peripheral outer wall of the gas bearing is additionally provided with fourth annular groove, along the gas axis
The axial direction held is distributed between the adjacent third annular groove.
In another aspect of the disclosure, a kind of compressor is provided, comprising:
Shell；
Rotor；With
Bearing block assembling structure above-mentioned is arranged in the enclosure interior.
In some embodiments, the air supply channel and the shell being arranged inside the bearing block of the bearing block assembling structure
External gas source is operationally connected to.
In some embodiments, the compressor is centrifugal compressor.
Therefore, according to the embodiment of the present disclosure, by the way that annular inlet chamber is arranged between gas bearing and bearing block, and make ring
Shape inlet chamber is connected to the air supply channel inside bearing block, and the working gas from air supply channel can be made poly- in annular inlet chamber
Collect and promote pressure itself, and keeps working gas more uniform in the circumferential direction of gas bearing by annular inlet chamber, thus
Rigidity, bearing capacity and the job stability of lift gas bearing, and then effectively improve the working performance of gas bearing.
Detailed description of the invention
The attached drawing for constituting part of specification describes embodiment of the disclosure, and together with the description for solving
Release the principle of the disclosure.
The disclosure can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the structural schematic diagram according to some embodiments of disclosure bearing block assembling structure；
Fig. 2 (a) and Fig. 2 (b) is the gas bearing in some embodiments according to disclosure bearing block assembling structure respectively
Schematic cross-section and external structure schematic diagram；
Fig. 3 is the structural schematic diagram according to other embodiments of disclosure bearing block assembling structure；
Fig. 4 (a) and Fig. 4 (b) is the gas axis in other embodiments according to disclosure bearing block assembling structure respectively
The schematic cross-section and external structure schematic diagram held；
Fig. 5 is the structural schematic diagram of the bearing block in some embodiments according to disclosure bearing block assembling structure；
Fig. 6 is the schematic diagram in the section AA in Fig. 5.
It should be understood that the size of various pieces shown in attached drawing is not to draw according to actual proportionate relationship.
In addition, same or similar reference label indicates same or similar component.
Specific embodiment
The various exemplary embodiments of the disclosure are described in detail now with reference to attached drawing.Description to exemplary embodiment
It is merely illustrative, never as to the disclosure and its application or any restrictions used.The disclosure can be with many differences
Form realize, be not limited to the embodiments described herein.These embodiments are provided so that the disclosure is thorough and complete, and
The scope of the present disclosure is given full expression to those skilled in the art.It should also be noted that unless specifically stated otherwise, otherwise in these implementations
Component described in example and the positioned opposite of step should be construed as merely illustrative, not as limitation.
" first ", " second " used in the disclosure and similar word are not offered as any sequence, quantity or again
The property wanted, and be used only to distinguish different parts.The similar word such as " comprising " or "comprising" means the element before the word
Cover the element enumerated after the word, it is not excluded that be also covered by the possibility of other element."upper", "lower", "left", "right" etc. are only used
In indicating relative positional relationship, after the absolute position for being described object changes, then the relative positional relationship may also be correspondingly
Change.
In the disclosure, when being described to certain device between the first device and the second device, in the certain device
There may be devices between two parties between the first device or the second device, and device between two parties can also be not present.When being described to specific device
When part connects other devices, which can be directly connected to without device between two parties with the other devices, can also be with
It is not directly connected to the other devices and there is device between two parties.
All terms (including technical term or scientific term) that the disclosure uses are common with disclosure fields
The meaning that technical staff understands is identical, unless otherwise specifically defined.It is also understood that in term such as defined in the general dictionary
The meaning consistent with their meanings in the context of the relevant technologies should be interpreted as having, without application idealization or
The meaning of extremely formalization explains, unless being clearly defined herein.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
As shown in Figure 1, being the structural schematic diagram according to some embodiments of disclosure bearing block assembling structure.With reference to Fig. 1,
In some embodiments, bearing block assembling structure includes: bearing block 20 and gas bearing 30.It is logical that gas supply is equipped with inside bearing block 20
Road 21, the air supply channel 21 can be connected to the gas source of the device external of setting bearing block assembling structure or inside.Gas bearing
30 may be provided on the bearing block 20, be used to support rotor 10.In Fig. 1, gas bearing 30 be it is radial gas bearing provided, can
It is mounted on the radially inner side of bearing block 20, supports rotor 10 radially by pressurized air.In further embodiments, gas
Bearing 30 be thrust gas bearing, the mountable axial left or right side in bearing block 20, in the axial direction by pressurized air
Support rotor 10.
With reference to Fig. 1, settable annular inlet chamber 40, the annular between the bearing block 20 and the gas bearing 30
Inlet chamber 40 is connected to the air supply channel 21.By the way that annular inlet chamber 40 is arranged between gas bearing 30 and bearing block 20,
And it is connected to annular inlet chamber 40 with the air supply channel 21 inside bearing block 20, the working gas from air supply channel 21 can be made
Assemble and promoted the pressure of working gas itself in annular inlet chamber 40, the effect of pressurization is realized, with lift gas bearing 30
Rigidity and bearing capacity.Also, annular inlet chamber 40 also makes working gas more uniform in the circumferential direction of gas bearing 30, thus
The job stability of lift gas bearing 30.In this way, the present embodiment effectively improves the working performance of gas bearing.
In Fig. 1, for rotor 10, it can be carried out by the gas bearing 30 and bearing block 20 of firsts and seconds
Support.Inlet channel 21 in bearing block 20 can be configured according to the shape of bearing block, such as be located at left side (level-one)
Bearing block 20 may include vertically (vertical with the axis of rotor 10) and laterally it is (parallel with the axis of rotor 10) setting and mutually
The inlet channel 21 of connection.In another example be located at right side (second level) bearing block 20 may include transversely, vertically and it is oblique (with turn
Son 10 axis is at an acute angle or obtuse angle) setting and interconnected inlet channel 21.
Secondary bearing seat in Fig. 1 reference may also be made to shown in Fig. 5 and Fig. 6, and in some embodiments, bearing block 20 may include
Bearing mounting hole 23.The bearing mounting hole 23 can be formed in bearing block 20 along the hollow structure of the axis direction of rotor 10.Gas
Body bearing 30 is located in the bearing mounting hole 23, to realize that the radial support to rotor 10 acts on.On the bearing block 23 also
The airflow path 22 on the outside of multiple connection bearing mounting holes 23 and bearing block can be set, the airflow path is close to bearing mounting hole
23 one end is located at the right side of the gas bearing 30 of second level, and the other end is located at the left side of bearing block 20, such gas bearing 30
The gas on right side can flow to the left area of bearing block 20 via airflow path 22.For example, in the left side area of bearing block 20
Domain is connected to the getter device of compressor, and the gas of the hiigh pressure stage on 20 right side of bearing block is through air-flow stream under the action of getter device
Road 22 flow to the left side of bearing block 20, and is recycled by getter device.
With reference to Fig. 1, in some embodiments, annular inlet chamber 40 includes: first annular groove 41, is arranged in the bearing
On the hole wall of mounting hole 23.Since first annular groove 41 is not only connected to the inlet channel 21 in bearing block 20, but also close to gas
The peripheral outer wall of bearing 30, so that the working gas for entering first annular groove 41 can be poly- in the peripheral outer wall of gas bearing 30
Collect and realizes pressurization.The pressure of working gas can be formed in first annular groove 41 to equal in 30 whole circumference of gas bearing
Even distribution improves the stability that gas bearing 30 works.
With reference to Fig. 1, Fig. 2 (a) and Fig. 2 (b), in some embodiments, annular inlet chamber 40 further includes air inlet group 42.Into
The peripheral outer wall of the gas bearing 30 is arranged in stomata group 42, and is connected to the first annular groove 41.Air inlet group 42
It can guide and pressurized working gas is assembled by first annular groove 41 enter in gas bearing 30, to form static pressure.
It, can be by air inlet group 42 in the peripheral outer wall one in order to enable air inlet group 42 preferably to guide working gas
The aperture of side at least partly with 41 face of first annular groove.It is preferred that making in air inlet group 42 positioned at gas bearing 30
The equal face first annular groove 41 in all apertures of peripheral outer wall side, to make working gas in the mistake for entering gas bearing 30
Cheng Gengjia is smooth.
In Fig. 2 (b), air inlet group 42 may include multiple air inlets (such as 5 or more), along the gas bearing 30
It is circumferentially distributed.Working gas can be enable to enter from the circumferential multiple positions of gas bearing 30 in this way, promote working gas
Into efficiency and uniformity.Correspondingly, it is preferred that be uniformly distributed multiple air inlets along the circumferential direction of the gas bearing 30, thus into
The promotion working gas of one step enters the uniformity of gas bearing 30, improves the job stability of gas bearing 30.
In addition in gas bearing 30 be arranged air inlet group, can also be arranged other back work gas boostings and uniformly into
Enter the structure of gas bearing 30.As shown in figure 3, being shown according to the structure of other embodiments of disclosure bearing block assembling structure
It is intended to.With reference to Fig. 3, in some embodiments, annular inlet chamber 40 further includes second annular groove 43.Second annular groove 43 is set
The peripheral outer wall in the gas bearing 30 is set, and is connected to the first annular groove 41.Second annular groove 43 and first
Annular groove 41 can assemble the working gas from inlet channel 21, and guidance work gas more uniform in the circumferential jointly
Body enters gas bearing 30, to improve the rigidity of gas bearing, bearing capacity and job stability, and then effectively improves gas
The working performance of bearing.
It, can be by second annular groove 43 in the week in order to enable second annular groove 43 preferably to guide working gas
To outer wall side notch at least partly with 41 face of first annular groove.It is preferred that keeping second annular groove 43 whole
Face first annular groove 41, to keep working gas more smooth in the process for entering gas bearing 30.
With reference to Fig. 3, Fig. 4 (a) and Fig. 4 (b), in some embodiments, the width of second annular groove 43 can be with the first ring
Connected in star 41 it is of same size, and in further embodiments, the width of second annular groove 43 and first annular groove 41
Width can not also be identical.In addition, in some embodiments, gas bearing 30 is located in the bearing mounting hole 23, annular into
Air cavity 23 may include second annular groove 43, and be connected to the outlet of inlet channel 21 with second annular groove 43.And bearing is pacified
Dress hole 23 in be arranged first annular groove 41 can omit, can also be reached in this way by second annular groove 43 aggregation and uniformly
The effect of working gas is guided, and the processing of bearing block 20 can be simplified.
In some embodiments, also settable sealing structure, institute between the bearing block 20 and the gas bearing 30
Sealing structure is stated to be located in at least side of the annular inlet chamber 40.Sealing structure can prevent working gas from entering gas axis
It holds 30 process to leak, to propose the efficiency of working gas and the job stability of gas bearing.
With reference to Fig. 2 (a), Fig. 2 (b), Fig. 4 (a) and Fig. 4 (b), in some embodiments, sealing structure includes: sealing ring
(not shown) and the third annular groove 32 being arranged in the gas bearing 30, the sealing ring are located at the third ring
In connected in star 32.Sealing ring is compressible between the surface and bearing block 20 of gas bearing 30, by annular inlet chamber 40 and gas
The outside of bearing 30 and bearing block 20 separates, and forms airtight effect.
In some embodiments, gas bearing is radial gas bearing provided, and the diameter that sealing ring may be provided at gas bearing is outside
Side.In further embodiments, gas bearing be thrust gas bearing, sealing ring may be provided at gas bearing axially closer to
The side of bearing block.
With reference to Fig. 4 (b), in some embodiments, bearing block 20 includes bearing mounting hole 23, and the gas bearing 30 is located at
In the bearing mounting hole 23, the sealing structure includes multiple third annular grooves 32, and multiple third annulars are recessed
Axial direction arrangement of the slot along the gas bearing 30.The settable sealing ring in each third annular groove 32.It is preferred that in annular
Two sides are respectively provided with third annular groove and sealing ring in the axial direction of inlet chamber 40, to increase sealing effect, simplify or save bearing
The setting of sealing structure except seat and gas bearing.
In order to keep the assembly of sealing ring more convenient, Fourth Ring can also be set in the peripheral outer wall of the gas bearing 30
Connected in star 33.The fourth annular groove 33 can be distributed in each adjacent third annular groove along the axial direction of the gas bearing 30
Between 32.Such as in Fig. 4 (b), be respectively equipped with two third annular grooves 32 in the two sides of second annular groove 43, and this two
Fourth annular groove 33 is set between a mutually adjacent third annular groove 32.The fourth annular groove 33 can be processed more
Width, depth can be identical as third annular groove 32, more shallow or deeper, as long as it can facilitate sealing ring when being arranged sealing ring
By.
Each embodiment of the above-mentioned bearing block assembling structure of the disclosure is applicable to all kinds of need to assemble setting for gas bearing
It is standby, such as compressor.Correspondingly, the embodiment of the present disclosure additionally provides a kind of compressor, comprising: shell, rotor 10 and aforementioned
A kind of embodiment of bearing block assembling structure.Bearing block assembling structure is arranged in the enclosure interior.Here compressor can be with
For centrifugal compressor.In further embodiments, or other compressors including rotor, such as helical-lobe compressor,
Slide vane compressor etc..In order to simplify the gas-supplying structure of enclosure interior, can make to be arranged inside the bearing block 20 of bearing block assembling structure
Air supply channel 21 be operationally connected to the gas source of the hull outside.
So far, the presently disclosed embodiments is described in detail.In order to avoid covering the design of the disclosure, do not describe
Some details known in the field.Those skilled in the art as described above, completely it can be appreciated how implement here
Disclosed technical solution.
Although being described in detail by some specific embodiments of the example to the disclosure, the skill of this field
Art personnel it should be understood that above example merely to be illustrated, rather than in order to limit the scope of the present disclosure.The skill of this field
Art personnel it should be understood that can not depart from the scope of the present disclosure and spirit in the case where, modify to above embodiments or
Some technical features can be equivalently replaced.The scope of the present disclosure is defined by the following claims.
Claims (16)
1. a kind of bearing block assembling structure characterized by comprising
Bearing block (20), inside are equipped with air supply channel (21)；With
Gas bearing (30) is arranged on the bearing block (20), is used to support rotor (10)；
Wherein, between the bearing block (20) and the gas bearing (30) be equipped with annular inlet chamber (40), it is described annular into
Air cavity (40) is connected to the air supply channel (21).
2. bearing block assembling structure according to claim 1, which is characterized in that the bearing block (20) includes bearing installation
Hole (23), the gas bearing (30) are located in the bearing mounting hole (23), and the annular inlet chamber (40) includes: the first ring
Connected in star (41) is arranged on the hole wall of the bearing mounting hole (23).
3. bearing block assembling structure according to claim 2, which is characterized in that the annular inlet chamber (40) further include:
Air inlet group (42) is arranged the peripheral outer wall in the gas bearing (30), and is connected to the first annular groove (41).
4. bearing block assembling structure according to claim 3, which is characterized in that the air inlet group (42) is in the circumferential direction
The aperture of outer wall side at least partly with the first annular groove (41) face.
5. bearing block assembling structure according to claim 3, which is characterized in that the air inlet group (42) include it is multiple into
Stomata, along the circumferentially distributed of the gas bearing (30).
6. bearing block assembling structure according to claim 5, which is characterized in that the multiple air inlet is along the gas axis
The circumferential direction for holding (30) is uniformly distributed.
7. bearing block assembling structure according to claim 2, which is characterized in that the annular inlet chamber (40) further include:
The peripheral outer wall in the gas bearing (30) is arranged in second annular groove (43), and even with the first annular groove (41)
It is logical.
8. bearing block assembling structure according to claim 7, which is characterized in that the second annular groove (43) is described
The notch of peripheral outer wall side at least partly with the first annular groove (41) face.
9. bearing block assembling structure according to claim 1, which is characterized in that the bearing block (20) includes bearing installation
Hole (23), the gas bearing (30) are located in the bearing mounting hole (23), and the annular inlet chamber (40) includes: the second ring
The peripheral outer wall in the gas bearing (30) is arranged in connected in star (43).
10. bearing block assembling structure according to claim 1, which is characterized in that in the bearing block (20) and the gas
Sealing structure is additionally provided between body bearing (30), the sealing structure is located in at least side of the annular inlet chamber (40).
11. bearing block assembling structure according to claim 10, which is characterized in that the sealing structure includes: sealing ring
With the third annular groove (32) being arranged on the gas bearing (30), the sealing ring is located at the third annular groove
(32) in.
12. bearing block assembling structure according to claim 11, which is characterized in that the bearing block (20) includes bearing peace
It fills hole (23), it is interior that the gas bearing (30) is located at the bearing mounting hole (23), and the sealing structure includes multiple described the
Three annular grooves (32), axial direction arrangement of multiple third annular grooves along the gas bearing (30).
13. bearing block assembling structure according to claim 12, which is characterized in that the week of the gas bearing (30) is outward
Wall is additionally provided with fourth annular groove (33), and the adjacent third annular groove is distributed in along the axial direction of the gas bearing (30)
(32) between.
14. a kind of compressor characterized by comprising
Shell；
Rotor (10)；With
The described in any item bearing block assembling structures of claim 1~13 are arranged in the enclosure interior.
15. compressor according to claim 14, which is characterized in that in the bearing block (20) of the bearing block assembling structure
The air supply channel (21) of portion's setting is operationally connected to the gas source of the hull outside.
16. compressor according to claim 14, which is characterized in that the compressor is centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196340.2U CN209340199U (en) | 2018-12-25 | 2018-12-25 | Bearing seat assembly structure with annular air inlet cavity and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822196340.2U CN209340199U (en) | 2018-12-25 | 2018-12-25 | Bearing seat assembly structure with annular air inlet cavity and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340199U true CN209340199U (en) | 2019-09-03 |
Family
ID=67759100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822196340.2U Active CN209340199U (en) | 2018-12-25 | 2018-12-25 | Bearing seat assembly structure with annular air inlet cavity and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-12-25 CN CN201822196340.2U patent/CN209340199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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