CN115726845B - High-speed ceramic turbine rotor with long service life and high reliability - Google Patents
High-speed ceramic turbine rotor with long service life and high reliability Download PDFInfo
- Publication number
- CN115726845B CN115726845B CN202211305615.6A CN202211305615A CN115726845B CN 115726845 B CN115726845 B CN 115726845B CN 202211305615 A CN202211305615 A CN 202211305615A CN 115726845 B CN115726845 B CN 115726845B
- Authority
- CN
- China
- Prior art keywords
- baffle ring
- turbine impeller
- assembled
- rotating shaft
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
- Supercharger (AREA)
Abstract
The invention relates to a long-life high-reliability high-speed ceramic turbine rotor, which consists of a turbine impeller, an integrated connecting shaft sleeve, a split baffle ring, a rotating shaft, locking screws and a balance ring piece. The turbine impeller is assembled with the integrated connecting shaft sleeve through the polygonal prism, the polygonal counter bore and the positioning round table and the cylindrical hole, the turbine impeller is assembled with the rotating shaft through the connecting boss and the positioning hole, the upper baffle ring and the lower baffle ring of the split baffle ring are assembled together through locking screws, the split baffle ring is assembled with the annular groove of the turbine impeller, the end face of the split baffle ring is assembled with the end face of the integrated connecting shaft sleeve and the side face of the annular groove of the turbine impeller, the integrated connecting shaft sleeve is assembled with the rotating shaft through the external thread and the threaded hole, and the split baffle ring is assembled with the rotating shaft through the outer cylindrical surface of the split baffle ring and the compression hole.
Description
Technical Field
The invention belongs to the field of structural design of turbocharging power generation systems, and particularly relates to a long-life high-reliability high-speed ceramic turbine rotor.
Background
The turbocharging power generation system can realize conversion from heat energy to mechanical energy by means of the gas working medium through thermodynamic cycle processes such as heat absorption, expansion work, heat release, compression and the like, and further converts the mechanical energy into electric energy by utilizing the motor. The turbocharging power generation system mainly comprises a turbine, a compressor, a motor and other parts in structure.
The turbine rotor is used as a core component of the turbocharging power generation system, is one of the most severely loaded components in the system, and plays a decisive role in the stable operation, the working reliability and the service life of the system. In the running process of the turbocharging power generation system, the turbine rotor is in a high-speed rotating state under the action of high-temperature gas working medium, the rotating speed of the turbine rotor can reach tens of thousands of revolutions per minute, and the rotating speed of some rotors can even reach hundreds of thousands of revolutions per minute. Once the turbine rotor structure fails, the turbocharging power generation system cannot work normally, conversion from heat energy to mechanical energy cannot be realized, and the system structure is damaged. Therefore, reasonable design of the structure of the turbine rotor is critical to ensure structural reliability of the turbine power generation system.
In order to meet the high power density requirement of the turbocharging power generation system, the inlet temperature of the turbine is continuously increased, and the turbine impeller adopts a high-temperature-resistant ceramic material to replace a high-temperature alloy material. The turbine rotor is composed of a turbine impeller and a rotating shaft structure, the rotating shaft is made of high-strength alloy steel materials, for the turbine impeller made of high-temperature alloy, reliable connection between the turbine impeller and the alloy steel rotating shaft can be achieved through friction welding, electron beam and other welding processes, and for the turbine impeller made of ceramic materials, reliable connection between the ceramic turbine impeller and the alloy steel rotating shaft is difficult to achieve through friction welding, electron beam and other welding processes.
Aiming at the requirements of the performance and the working reliability of a high-speed turbine rotor of a turbocharging power generation system, the reliable connection of a ceramic turbine impeller and a rotating shaft is realized by reasonably designing the structure and the process of the turbine rotor, so that the performance of the turbocharging power generation system is ensured, and meanwhile, the high reliability and the long service life are realized.
Disclosure of Invention
Aiming at the high-temperature-resistant design requirement of a long-life turbine rotor of a turbocharging power generation system, the invention provides a long-life high-reliability high-speed ceramic turbine rotor. The ceramic turbine rotor structure consists of a turbine impeller, an integrated connecting shaft sleeve, a split baffle ring, a rotating shaft, locking screws and a balance ring piece. The turbine impeller is assembled with the integrated connecting shaft sleeve through the polygonal prism, the polygonal counter bore and the positioning round table and the cylindrical hole, the turbine impeller is assembled with the rotating shaft through the connecting boss and the positioning hole, the upper baffle ring and the lower baffle ring of the split baffle ring are assembled together through locking screws, the split baffle ring is assembled with the annular groove of the turbine impeller, the end face of the split baffle ring is assembled with the end face of the integrated connecting shaft sleeve and the side face of the annular groove of the turbine impeller, the integrated connecting shaft sleeve is assembled with the rotating shaft through the external thread and the threaded hole, and the split baffle ring is assembled with the rotating shaft through the outer cylindrical surface of the split baffle ring and the compression hole.
A long-life high-reliability high-speed ceramic turbine rotor comprises a turbine impeller, an integrated connecting shaft sleeve, a split baffle ring, a rotating shaft, locking screws and a balance ring piece.
The turbine impeller is made of high-temperature ceramic materials, a connecting boss is arranged on a back wheel hub of an air inlet end of the turbine impeller, and a polygonal prism, a positioning round table and a ring groove which are assembled with a polygonal inner hole of the balancing ring piece and a polygonal hole of the integrated connecting shaft sleeve are arranged on the connecting boss of the turbine impeller.
The one side that integration adapter sleeve is close to turbine wheel is equipped with the polygon hole with turbine wheel's polygon prism matched with and with turbine wheel's location round platform matched with cylinder hole, the opposite side of integration adapter sleeve is equipped with the external screw thread with the assembly of pivot mutually.
The split type baffle ring comprises an upper baffle ring and a lower baffle ring, a counter bore and a through hole for installing locking screws are formed in the upper baffle ring of the split type baffle ring, a threaded hole for installing the locking screws is formed in the lower baffle ring of the split type baffle ring, the upper baffle ring and the lower baffle ring of the split type baffle ring are installed together through the locking screws to form a complete baffle ring structure, and the upper baffle ring and the lower baffle ring of the split type baffle ring are installed in a ring groove of a turbine impeller.
One end of the rotating shaft is provided with a connecting disc, the connecting disc of the rotating shaft is provided with a threaded hole assembled by external threads of the same integrated connecting shaft sleeve, the connecting disc of the rotating shaft is provided with a pressing hole assembled by a split baffle ring, and the connecting disc of the rotating shaft is provided with a positioning hole assembled by a connecting boss of a turbine impeller.
The locking screw is arranged in a counter bore and a through hole of an upper baffle ring and a threaded hole of a lower baffle ring of the split baffle ring.
The balance ring piece is provided with a polygonal inner hole assembled with the polygonal prism of the turbine impeller, one side of the balance ring piece is tightly attached to the back of the air inlet end wheel of the turbine impeller, the other side of the balance ring piece is tightly attached to the end face of one side, close to the polygonal hole, of the integrated connecting shaft sleeve, and the balance ring piece is made of a high-temperature alloy material.
The turbine impeller is assembled with the polygonal prism of the turbine impeller, the positioning round platform and the polygonal counter bore of the integrated connecting shaft sleeve through the cylindrical hole, the turbine impeller is assembled with the rotating shaft through the connecting boss of the turbine impeller and the positioning hole of the rotating shaft, the upper baffle ring and the lower baffle ring of the split baffle ring are assembled together through locking screws, the split baffle ring is assembled with the annular groove of the turbine impeller, the end face of the split baffle ring is assembled with the end face of the integrated connecting shaft sleeve and the side face of the annular groove of the turbine impeller, the integrated connecting shaft sleeve is assembled with the rotating shaft through the external thread of the integrated connecting shaft sleeve and the threaded hole of the rotating shaft, the split baffle ring is assembled with the rotating shaft through the outer cylindrical surface of the split baffle ring and the pressing hole of the rotating shaft, the balance ring piece is installed on the polygonal prism of the turbine impeller, and two sides of the balance ring piece are respectively attached to the air inlet end wheel back of the turbine impeller and one side face of the integrated connecting shaft sleeve, which is close to the polygonal hole.
The beneficial effects are that:
1. According to the high-speed ceramic turbine rotor with long service life and high reliability, the turbine impeller and the integrated connecting shaft sleeve are assembled with the polygonal counter bore and the positioning round table and the cylindrical hole through the polygonal prism, so that good positioning can be realized, relative rotation among rotor component parts is prevented, good transmission of power and torque is realized, and the working reliability of the ceramic turbine rotor is improved.
2. The balancing ring piece is positioned at the back of the air inlet end of the turbine impeller and is made of high-temperature alloy materials, and is used for dynamic balance weight removal, so that the influence of dynamic balance of the turbine rotor on the ceramic turbine impeller is effectively avoided, the structural integrity of the ceramic turbine impeller is ensured, and the working reliability of the turbine rotor is further improved.
3. The split type baffle ring adopts an upper baffle ring and lower baffle ring split structure and is installed through locking screws, so that the assembly of the turbine rotor assembly is facilitated.
4. The turbine impeller of the invention is assembled with the rotating shaft through the connecting boss and the positioning hole, thereby not only facilitating the assembly, but also being beneficial to improving the positioning precision and the connecting rigidity of the ceramic turbine rotor. The integral connecting shaft sleeve and the rotating shaft are assembled through the external threads and the threaded holes, so that the integral assembly locking of the turbine rotor assembly is realized. The split type baffle ring and the rotating shaft are assembled through the outer cylindrical surface of the split type baffle ring and the compression hole, reliable assembly between the split type baffle ring and parts such as a turbine impeller can be fully guaranteed, looseness of an assembly structure of a turbine rotor assembly is prevented, and reliability and service life of a turbine rotor are improved.
Drawings
FIG. 1 is a schematic diagram of a long life high reliability high speed ceramic turbine rotor.
FIG. 2 is a schematic view of a turbine wheel structure.
The device comprises a 1-turbine impeller, a 2-integrated connecting shaft sleeve, a 3-split baffle ring, a 4-rotating shaft, 5-locking screws, 6-balance ring pieces, a connecting boss of a 7-turbine impeller, a polygonal prism of an 8-turbine impeller, a positioning round table of a 9-turbine impeller and a ring groove of a 10-turbine impeller.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a long-life high-reliability high-speed ceramic turbine rotor, which comprises a turbine impeller 1, an integrated connecting shaft sleeve 2, a split baffle ring 3, a rotating shaft 4, a locking screw 5 and a balance ring sheet 6.
The turbine impeller 1 is made of high-temperature ceramic materials, a connecting boss 7 is arranged on a wheel back hub of an air inlet end of the turbine impeller 1, and a polygonal prism 8, a positioning round table 9 and a ring groove 10 which are assembled with a polygonal inner hole of the balancing ring piece 6 and a polygonal hole of the integrated connecting shaft sleeve 2 are arranged on the connecting boss 7 of the turbine impeller 1.
The one side that integration connecting axle sleeve 2 is close to turbine wheel is equipped with the polygon hole with the polygon prism 8 matched with of turbine wheel 1 and with the cylinder hole of the location round platform 9 matched with of turbine wheel 1, the opposite side of integration connecting axle sleeve 2 is equipped with the external screw thread with the assembly of pivot 4 mutually.
The split type baffle ring 3 comprises an upper baffle ring and a lower baffle ring, a counter bore and a through hole for installing a locking screw 5 are formed in the upper baffle ring of the split type baffle ring 3, a threaded hole for installing the locking screw 5 is formed in the lower baffle ring of the split type baffle ring 3, the upper baffle ring and the lower baffle ring of the split type baffle ring 3 are installed together through the locking screw 5 to form a complete baffle ring structure, and the upper baffle ring and the lower baffle ring of the split type baffle ring 3 are installed in a ring groove 10 of the turbine impeller 1.
One end of the rotating shaft 4 is provided with a connecting disc, the connecting disc of the rotating shaft 4 is provided with a threaded hole assembled by external threads of the same integrated connecting shaft sleeve 2, the connecting disc of the rotating shaft 4 is provided with a pressing hole assembled by the split baffle ring 3, and the connecting disc of the rotating shaft 4 is provided with a positioning hole assembled by the connecting boss 7 of the turbine impeller 1.
The locking screw 5 is arranged in a counter bore and a through hole of an upper baffle ring and a threaded hole of a lower baffle ring of the split baffle ring 3.
The balance ring piece 6 is provided with a polygonal inner hole assembled with the polygonal prism 8 of the turbine impeller 1, one side of the balance ring piece 6 is tightly attached to the back of the air inlet end wheel of the turbine impeller 1, the other side of the balance ring piece 6 is tightly attached to the end face of one side, close to the polygonal hole, of the integrated connecting shaft sleeve 2, and the balance ring piece 6 is made of a high-temperature alloy material.
The turbine impeller 1 is assembled with the integrated connecting shaft sleeve 2 through the polygonal prism 8, the positioning round table 9 and the polygonal counter bore of the integrated connecting shaft sleeve 2 of the turbine impeller 1, the turbine impeller 1 is assembled with the rotating shaft 4 through the connecting boss 7 of the turbine impeller 1 and the positioning hole of the rotating shaft 4, the upper baffle ring and the lower baffle ring of the split baffle ring 3 are assembled together through the locking screw 5, the split baffle ring 3 is assembled with the annular groove 10 of the turbine impeller 1, the end face of the split baffle ring 3 is assembled with the end face of the integrated connecting shaft sleeve 2 and the side face of the annular groove 10 of the turbine impeller 1, the integrated connecting shaft sleeve 2 is assembled with the rotating shaft 4 through the external thread 12 of the integrated connecting shaft sleeve 2 and the threaded hole of the rotating shaft 4, the split baffle ring 3 is assembled with the rotating shaft 4 through the outer cylindrical surface of the split baffle ring 3 and the pressing hole of the rotating shaft 4, the balance ring piece 6 is arranged on the polygonal prism 8 of the turbine impeller 1, and two sides of the balance ring piece 6 are respectively assembled with the rear side of the turbine impeller 1 and the side face of the integrated connecting shaft sleeve 2 close to the polygonal hole.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-speed ceramic turbine rotor of long-life high reliability which characterized in that: comprises a turbine impeller (1), an integrated connecting shaft sleeve (2), a split baffle ring (3), a rotating shaft (4), a locking screw (5) and a balance ring piece (6);
the turbine impeller (1) is made of high-temperature ceramic materials, a connecting boss (7) is arranged on a rear hub of the air inlet end of the turbine impeller (1), and a polygonal prism (8), a positioning round table (9) and a ring groove (10) which are assembled with a polygonal inner hole of the balance ring piece (6) and a polygonal hole of the integrated connecting shaft sleeve (2) are arranged on the connecting boss (7) of the turbine impeller (1);
One side of the integrated connecting shaft sleeve (2) close to the turbine impeller is provided with a polygonal hole matched with the polygonal prism (8) of the turbine impeller (1) and a cylindrical hole matched with the positioning round table (9) of the turbine impeller (1), and the other side of the integrated connecting shaft sleeve (2) is provided with external threads assembled with the rotating shaft (4);
The split type baffle ring (3) comprises an upper baffle ring and a lower baffle ring, a counter bore and a through hole for installing a locking screw (5) are formed in the upper baffle ring of the split type baffle ring (3), a threaded hole for installing the locking screw (5) is formed in the lower baffle ring of the split type baffle ring (3), the upper baffle ring and the lower baffle ring of the split type baffle ring (3) are installed together through the locking screw (5) to form a complete baffle ring structure, and the upper baffle ring and the lower baffle ring of the split type baffle ring (3) are installed in a ring groove (10) of the turbine impeller (1);
One end of the rotating shaft (4) is provided with a connecting disc, the connecting disc of the rotating shaft (4) is provided with a threaded hole assembled by external threads of the same integrated connecting shaft sleeve (2), the connecting disc of the rotating shaft (4) is provided with a compression hole assembled by the split baffle ring (3), and the connecting disc of the rotating shaft (4) is provided with a positioning hole assembled by a connecting boss (7) of the turbine impeller (1);
The locking screw (5) is arranged in a counter bore and a through hole of an upper baffle ring and a threaded hole of a lower baffle ring of the split baffle ring (3);
The balance ring piece (6) is provided with a polygonal inner hole assembled with the polygonal prism (8) of the turbine impeller (1), one side of the balance ring piece (6) is tightly attached to the back of the air inlet end wheel of the turbine impeller (1), and the other side of the balance ring piece (6) is tightly attached to the end face of one side, close to the polygonal hole, of the integrated connecting shaft sleeve (2).
2. A long life high reliability high speed ceramic turbine rotor according to claim 1 wherein: the balance ring piece (6) is made of a high-temperature alloy material.
3. A long life high reliability high speed ceramic turbine rotor according to claim 2 wherein: the turbine impeller (1) is assembled with the cylinder hole through a polygonal prism (8) of the turbine impeller (1), a positioning round table (9) and a polygonal counter bore of the integrated connecting shaft sleeve (2) together with the integrated connecting shaft sleeve (2), the turbine impeller (1) is assembled with the rotating shaft (4) through a connecting boss (7) of the turbine impeller (1) and a positioning hole of the rotating shaft (4), and an upper baffle ring and a lower baffle ring of the split baffle ring (3) are assembled together through locking screws (5).
4. A long life high reliability high speed ceramic turbine rotor according to claim 3 wherein: the split type baffle ring (3) is assembled with the annular groove (10) of the turbine impeller (1), and the end face of the split type baffle ring (3) is assembled with the end face of the integrated connecting shaft sleeve (2) and the side face of the annular groove (10) of the turbine impeller (1).
5. A long life high reliability high speed ceramic turbine rotor according to claim 4 wherein: the integrated connecting shaft sleeve (2) is assembled with the rotating shaft (4) through external threads (12) of the integrated connecting shaft sleeve (2) and threaded holes of the rotating shaft (4), and the split type baffle ring (3) is assembled with the rotating shaft (4) through the outer cylindrical surface of the split type baffle ring (3) and the compression holes of the rotating shaft (4).
6. A long life high reliability high speed ceramic turbine rotor according to claim 4 or 5 wherein: the balance ring piece (6) is arranged on the polygonal prism (8) of the turbine impeller (1), and two sides of the balance ring piece (6) are respectively abutted against the air inlet end back of the turbine impeller (1) and one side end face of the integrated connecting shaft sleeve (2) close to the polygonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211305615.6A CN115726845B (en) | 2022-10-24 | 2022-10-24 | High-speed ceramic turbine rotor with long service life and high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211305615.6A CN115726845B (en) | 2022-10-24 | 2022-10-24 | High-speed ceramic turbine rotor with long service life and high reliability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115726845A CN115726845A (en) | 2023-03-03 |
| CN115726845B true CN115726845B (en) | 2024-08-16 |
Family
ID=85293806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211305615.6A Active CN115726845B (en) | 2022-10-24 | 2022-10-24 | High-speed ceramic turbine rotor with long service life and high reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115726845B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332018A (en) * | 2019-07-18 | 2019-10-15 | 北京动力机械研究所 | A kind of high compact closed cycle radial-flow turbine electricity generation system rotor |
| CN113623009A (en) * | 2021-07-30 | 2021-11-09 | 东方电气集团东方汽轮机有限公司 | High-speed turbine rotor structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19640647A1 (en) * | 1996-10-02 | 1998-04-09 | Asea Brown Boveri | Compressor wheel arrangement for turbochargers |
| DE102012215248B4 (en) * | 2012-08-28 | 2014-12-24 | Schaeffler Technologies Gmbh & Co. Kg | Turbine rotor of an exhaust gas turbocharger |
| CN210343433U (en) * | 2019-09-11 | 2020-04-17 | 无锡速珀利尔科技有限公司 | Turbine shaft assembly and turbine shaft for hollow friction welding |
-
2022
- 2022-10-24 CN CN202211305615.6A patent/CN115726845B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332018A (en) * | 2019-07-18 | 2019-10-15 | 北京动力机械研究所 | A kind of high compact closed cycle radial-flow turbine electricity generation system rotor |
| CN113623009A (en) * | 2021-07-30 | 2021-11-09 | 东方电气集团东方汽轮机有限公司 | High-speed turbine rotor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115726845A (en) | 2023-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110332018B (en) | High-compactness closed circulation runoff turbine power generation system rotor | |
| CN110344890B (en) | High-reliability turbine power generation system rotor structure and manufacturing process | |
| CN110360148B (en) | Threaded connection rotor structure of turbine thermoelectric conversion system | |
| CN110332019B (en) | Built-in locking gas floating rotor of closed circulation turbine power generation system | |
| CN115726845B (en) | High-speed ceramic turbine rotor with long service life and high reliability | |
| CN110332020B (en) | Closed circulation turbine power generation system rotor structure based on air bearing | |
| CN110318812B (en) | Gas lubrication ceramic rotor of radial flow turbine power generation system and manufacturing method thereof | |
| CN115749966B (en) | High-speed combined centripetal ceramic turbine rotor structure | |
| CN110344892B (en) | Radial flow turbine power generation system integrated rotor and manufacturing process thereof | |
| CN115822727B (en) | Auxiliary enhancement type long-service-life ceramic turbine rotor | |
| CN115749965B (en) | High-speed large-torque runoff ceramic turbine rotor structure | |
| CN209743041U (en) | Novel gas turbine rotor | |
| CN112360573B (en) | Rotating assembly of compact radial-flow turbine thermoelectric conversion system | |
| CN110374693B (en) | Detachable radial flow turbine power generation system rotor structure and process | |
| CN110374684B (en) | Closed circulation turbine power generation system rotor based on electromagnetic bearing | |
| CN212059236U (en) | Rotor drum dynamic balance system and dynamic balance tool thereof | |
| CN112350505B (en) | Rotating shaft structure of closed thermoelectric conversion system high-speed permanent magnet generator | |
| CN110374692B (en) | Integrated rotor structure of radial turbine power generation system | |
| CN112360565A (en) | Twin dissimilar material composite runoff impeller and manufacturing process thereof | |
| CN110344891B (en) | Rotor structure and process of long-life closed circulation turbine power generation system | |
| CN210768928U (en) | Small-size turbojet engine rotor assembly structure | |
| CN117703531A (en) | High-speed ceramic turbine rotor and manufacturing method thereof | |
| CN112360567A (en) | High-speed radial-flow turbine and compressor composite impeller | |
| CN110318813B (en) | Magnetic suspension rotor structure of closed circulation radial flow turbine power generation system | |
| CN117703530A (en) | Detachable high-reliability radial flow turbine rotor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |