CN118514874A - Multifunctional service spacecraft - Google Patents
Multifunctional service spacecraft Download PDFInfo
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- CN118514874A CN118514874A CN202410797153.7A CN202410797153A CN118514874A CN 118514874 A CN118514874 A CN 118514874A CN 202410797153 A CN202410797153 A CN 202410797153A CN 118514874 A CN118514874 A CN 118514874A
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- 238000003032 molecular docking Methods 0.000 claims abstract description 22
- 239000003380 propellant Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001502 supplementing effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 24
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 108010066057 cabin-1 Proteins 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 235000015842 Hesperis Nutrition 0.000 description 2
- 235000012633 Iberis amara Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 101150023613 mev-1 gene Proteins 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
- B64G1/1078—Maintenance satellites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/646—Docking or rendezvous systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/646—Docking or rendezvous systems
- B64G1/6462—Docking or rendezvous systems characterised by the means for engaging other vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
- B64G2004/005—Robotic manipulator systems for use in space
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a multifunctional service spacecraft, which comprises a cargo cabin and an instrument cabin; the multifunctional service spacecraft adopts a special inner and outer double-bearing cylinder configuration; the upper instrument cabin adopts a sealed central bearing cylinder configuration; the lower cargo cabin is connected with the central bearing cylinder of the instrument cabin through a section of truncated cone by taking the outer bearing cylinder of the lower cargo cabin as a main bearing structure, and a sealed inner bearing cylinder is arranged in the lower cargo cabin and forms a sealed space together with the central bearing cylinder of the instrument cabin; the instrument cabin is provided with a mechanical arm, a propellant supplementing device and a lightweight spacecraft docking mechanism; the cargo compartment is configured with a spacecraft docking mechanism. The multifunctional service spacecraft provided by the invention can perform orbital maneuver according to requirements for a long time, has the advantage of high integration, and is mainly used for providing comprehensive on-orbit services including cargo transportation, attitude and orbit control takeover, maintenance, propellant supply and the like.
Description
Technical Field
The invention belongs to the technical field of aerospace, and particularly relates to a multifunctional service spacecraft.
Background
With the development of the aerospace technology, the functions of the spacecraft are more and more powerful, the actual service life is longer and longer, the development cost is higher and higher, and once the spacecraft on-orbit has serious faults which cannot be solved by a ground measurement and control system, the faulty spacecraft is at risk of the on-orbit failure of the whole spacecraft. Thus, the losses will be quite large. Thus, on-orbit service technologies have evolved. In-orbit service technology generally provides services to a serviced spacecraft equipped with a corresponding interface through a service spacecraft equipped with a special tool.
Typical on-orbit services include: transport services, typically such as freight ships, carry out freight transportation supplies to space stations, such as "dragon" ships in the united states; propellant replenishing service is generally that a service spacecraft carries propellant to replenish a served spacecraft, for example, after a 'space ship' freight spacecraft in China is in butt joint with a space station, propellant replenishing can be carried out through a replenishing pipeline system integrated with a butt joint mechanism; the attitude and orbit control take over service generally needs to be realized by the combination of a service spacecraft and a served spacecraft in a butt joint way, the former takes over the attitude and orbit control of the latter as a whole, for example, the task extension aircraft MEV-1 in the United states IS in butt joint with an IS-901 satellite of an International communication satellite organization with insufficient propellant, and takes over the attitude and orbit maintenance function of the latter, thereby prolonging the service life of the latter. In addition, there are robotic satellites under investigation that are equipped with robotic arms and maintenance tools that provide on-orbit maintenance of a failed satellite, such as the mission robotic aircraft MRV in U.S. development.
The applied or to-be-applied on-orbit service spacecraft are single-function spacecraft, the service function is insufficient, and the on-orbit value is not maximized. One of the important challenges of a spacecraft integrating multiple on-orbit service functions is that the difficulty in designing the configuration of the spacecraft is high. The inventors have advantageously explored and tried to solve the above problems, and the solutions described below are generated in this context, so as to achieve the goal of integrating multiple on-orbit service functions.
Disclosure of Invention
The technical problems solved by the invention are as follows: the multifunctional service spacecraft can realize multifunctional integration of space cargo transportation service, on-orbit maintenance service, on-orbit propellant supply service, attitude and orbit control take-over service, return cabin reentry and return support service and the like.
In order to solve the technical problems, the invention discloses a multifunctional service spacecraft, which comprises a cargo cabin and an instrument cabin; the instrument cabin is positioned above, and the cargo cabin is positioned below;
the main functions and equipment layout of the spacecraft platform are realized by an instrument cabin, the inner part of the cargo cabin is mainly used as a propellant and cargo storage space, and the lower end surface of the cargo cabin is connected with a carrier rocket to be used as a main bearing structure of the whole spacecraft.
The spacecraft is of a special mixed structure configuration of a sealed cabin and a non-sealed cabin, and has a special inner and outer double-bearing cylinder configuration;
The instrument cabin adopts a sealed central bearing cylinder configuration; the outer bearing cylinder of the cargo cabin is a main bearing structure and is connected with the central bearing cylinder of the instrument cabin through a section of truncated cone, and meanwhile, the inner part of the outer bearing cylinder is also provided with a sealed inner bearing cylinder which is connected with the outer bearing cylinder through an inverted truncated cone; the instrument cabin center bearing cylinder, the cargo cabin inner bearing cylinder and the cargo cabin outer bearing cylinder form a sealing space together with the transitional truncated cone and the inverted truncated cone;
The lower end face of the instrument cabin central force bearing cylinder is in butt joint with the upper end face of the load bearing cylinder in the cargo cabin to form a sealing face, and the instrument cabin central force bearing cylinder and the load bearing cylinder in the cargo cabin are fixedly connected through screw connection, so that a sealing space is formed between the instrument cabin central force bearing cylinder and the load bearing cylinder in the cargo cabin.
Instrument cabin
In the multifunctional service spacecraft, the instrument cabin is in a structure of combining a central bearing cylinder with a box plate, the central bearing cylinder is in a structure of a cylinder and a truncated cone, and the outer box plate is in an eight-prism structure;
In the multifunctional service spacecraft, the inner diameter of the instrument cabin center bearing cylinder is not smaller than 0.8 meter so as to ensure that one astronaut can pass through the instrument cabin center bearing cylinder;
The instrument cabin central force bearing cylinder is of a sealing structure, the upper end face of the instrument cabin central force bearing cylinder is provided with a sealing cabin door, and the lower end face of the instrument cabin central force bearing cylinder is provided with a sealing ring;
The instrument cabin is provided with a lightweight docking mechanism, a propellant replenishing device and a mechanical arm, and can achieve capturing, transposition docking and docking of the served spacecraft, so that on-orbit maintenance service, on-orbit propellant replenishing service and attitude and orbit control take-over service of the served spacecraft can be achieved.
Goods warehouse
In the multifunctional spacecraft, the cargo cabin is in an inner bearing cylinder and outer bearing cylinder configuration, the inner bearing cylinder is in a cylindrical and inverted truncated cone configuration, and the outer bearing cylinder is in a cylindrical configuration;
In the multifunctional service spacecraft, the diameter of the outer bearing cylinder of the cargo bin is designed by integrating the single cargo transportation volume requirement and the interface constraint between the single cargo transportation volume requirement and the carrier rocket;
The load bearing cylinder in the cargo cabin is of a sealing structure, the lower end face of the load bearing cylinder is provided with a sealing cabin door, and the upper end face of the load bearing cylinder is provided with a sealing ring;
the goods cabin is provided with a docking mechanism of 1 set of space station interface, and can dock with the space station, so that goods transportation service can be realized for the space station;
In the multifunctional service spacecraft, the cargo cabin is provided with a docking mechanism of 1 set of space station interface, and can be docked with a space station; the diameter of the bearing cylinder in the goods cabin is at least 0.8 meter, and the bearing cylinder can accommodate astronauts for carrying goods, thereby realizing goods transportation service;
In the multifunctional service spacecraft, a small-sized return cabin and an ejection device thereof can be arranged in the closed space of the spacecraft; the spacecraft moves to a separation orbit again, so that proper separation gesture and speed can be provided, and the small-sized return cabin is ejected, thereby finishing reentry and return support service;
In the multifunctional service spacecraft, the center bearing cylinder of the instrument cabin and the outer bearing cylinder of the cargo cabin need to ensure bearing efficiency, tightness and light weight at the same time, and aluminum alloy materials can be adopted;
in the multifunctional service spacecraft, the cargo bags launched by the carrier rockets can be transported in an on-orbit connection mode through the mechanical arm and the docking mechanism, so that the capacity of on-orbit cargo transportation service is expanded;
In the multifunctional service spacecraft, the docking mechanism and the propellant supplementing device can be used for supplementing the spacecraft, so that the spacecraft can be on-orbit for a long time, and services can be provided for other spacecraft for many times.
The invention has the following advantages:
(1) The multifunctional service spacecraft and the configuration thereof provided by the invention can provide various on-orbit service functions, and greatly enhance the service capability.
(2) Compared with the existing on-orbit service spacecraft, the service object is only a satellite, and the multifunctional service spacecraft and the configuration thereof provided by the invention can not only serve various unmanned satellites, but also seal cargo transportation service and return cabin reentry and return support service structures for manned space stations by setting a sealing space.
(3) The multifunctional service spacecraft and the configuration thereof provided by the invention can realize that the propellant is supplemented, thereby prolonging the self-on-orbit service life.
(4) According to the multifunctional service spacecraft and the configuration thereof, the cargo bags emitted by the carrier rockets can be transported in an on-orbit connection mode through the mechanical arm and the docking mechanism, so that the capacity of on-orbit cargo transportation service is expanded.
The multifunctional service spacecraft and the configuration thereof have the advantages of multiple task functions, strong task flexibility and good comprehensive economy, and can be applied to the on-orbit service of various satellites, manned space stations, near-earth orbit stations and other spacecrafts.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. It should be noted that for clarity and ease of illustration, the drawings are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall appearance of the present invention;
FIG. 2 is a schematic view of the general configuration of the present invention;
FIG. 3 is a schematic view of a sealed space of the present invention;
Fig. 4 is a schematic view of a release-return pod of the present invention.
The marks in the figure: 1-cargo compartment, 101-cargo compartment sealed inner bearing cylinder, 102-cargo compartment unsealed outer bearing cylinder, 103-docking mechanism, 2-instrument compartment, 201-mechanical arm, 202-lightweight docking mechanism, 203-propellant replenishing device, 204-instrument compartment sealed center bearing cylinder, 205-instrument compartment unsealed eight-prism box plate, 206-front seal cabin door, 207-instrument compartment seal section, 208-middle seal surface, 209-cargo compartment seal section, 210-rear seal cabin door, 3-small-sized return cabin, 4-astronaut and 5-space station.
Detailed Description
The invention is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
The utility model provides a multifunctional service spacecraft, solves the physical nest between each subsystem through adopting integrated design, and then supports long-term on-orbit, can carry out orbital maneuver according to the demand, realizes the integrated operation of multiple orbit task, mainly is used for providing including comprehensive on-orbit service such as goods transportation, appearance rail accuse takeover, maintenance, propellant supply, including goods storehouse and instrument shelter.
In the embodiment, the overall structure of the multifunctional service spacecraft is shown in fig. 1, and comprises a cargo compartment 1 and an instrument compartment 2;
With the cabin 2 above and the cargo cabin 1 below. The main functions and equipment layout of the spacecraft platform are realized by an instrument cabin 2, the interior of a cargo cabin 1 is mainly used as a propellant and cargo storage space, and the lower end surface of the cargo cabin is connected with a carrier rocket to be used as a main bearing force transmission structure of the whole spacecraft;
the instrument cabin 2 is provided with 1 set of lightweight docking mechanism 202, 1 set of propellant replenishing device 203 and 2 mechanical arms 201, so that capturing, transposition docking and docking of the served spacecraft can be realized, and on-orbit maintenance service, on-orbit propellant replenishing service and attitude and orbit control take-over service of the served spacecraft can be realized;
The cargo compartment is provided with 1 set of docking mechanism 103 matched with the interface of the space station in China, and can be docked with the space station, so that cargo transportation service on the space station can be realized.
The main structure schematic diagram of the multifunctional service spacecraft is as shown in fig. 2:
The multifunctional service spacecraft adopts a special inner and outer double-bearing cylinder configuration; the upper instrument cabin adopts a sealed central bearing cylinder configuration; the lower cargo cabin is connected with the central bearing cylinder of the instrument cabin through a section of truncated cone by taking the outer bearing cylinder of the lower cargo cabin as a main force transmission structure, and a sealed inner bearing cylinder and the central bearing cylinder of the instrument cabin form a sealed space together;
the instrument cabin 2 is in a combined box plate type structure of a central bearing cylinder, the central bearing cylinder 204 is in a cylindrical truncated cone type structure, and the outer box plate 205 is in an eight-prism type structure;
the cargo compartment 1 is in an inner and outer double-bearing cylinder configuration. The inner bearing cylinder 101 is in a cylindrical and inverted truncated cone configuration, and the outer bearing cylinder 102 is in a cylindrical configuration;
preferably, the inner diameter of the central force-bearing barrel 204 of the instrument pod 2 is greater than or equal to 1 meter, so as to ensure that one astronaut can pass through the instrument pod;
Preferably, the diameter of the outer bearing cylinder 102 of the cargo cabin 2 is designed to be 2 meters according to the single cargo transportation volume requirement and the interface constraint between the outer bearing cylinder and the carrier rocket, and the outer bearing cylinder and the carrier rocket can be connected by adopting 2 meters of wrapping belts.
The schematic diagram of the enclosed space of the multifunctional service spacecraft is shown in fig. 3:
the instrument pod central force bearing cartridge 204 is a sealed structure, the upper end face of the upper cover is provided with a sealing cabin door, the lower end face is provided with a sealing ring;
The load bearing cylinder 101 in the cargo cabin is also of a sealing structure, the lower end face of the load bearing cylinder is provided with a sealing cabin door, and the upper end face of the load bearing cylinder is provided with a sealing ring;
The lower end surface of the instrument cabin center force bearing cylinder 204 is in butt joint with the upper end surface of the load bearing cylinder 101 in the cargo cabin to form a sealing surface, and the instrument cabin center force bearing cylinder 204 and the load bearing cylinder 101 in the cargo cabin form a sealing space through screw connection;
the multifunctional service spacecraft can be in butt joint with a space station through a butt joint mechanism 103 arranged on the cargo cabin 1, and an in-station astronaut can enter a sealed space formed by the instrument cabin center bearing cylinder 204 and the cargo cabin inner bearing cylinder 101 to carry out cargo transportation, so that cargo transportation service is realized.
The task schematic diagram of the multifunctional service spacecraft for releasing the return cabin is shown in fig. 4, when the multifunctional service spacecraft is in butt joint with the space station, a astronaut can enter the multifunctional service spacecraft, the small return cabin and the ejection device thereof are installed in the center bearing cylinder 204 of the instrument cabin, the multifunctional service spacecraft is separated from the space station, the gas in the cabin is exhausted and then maneuvered to a separation track, a proper separation gesture and a proper separation speed are provided, and the small return cabin is ejected, so that reentry and return support service is completed;
Preferably, the compact return pod may be an airbag load return pod.
The central bearing cylinder 204 and the outer bearing cylinder 102 of the cargo cabin of the multifunctional service spacecraft need to ensure the bearing efficiency, the tightness and the light weight;
Preferably, the bearing cylinder can be made of an aluminum alloy material;
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention. What is not described in detail in the present specification belongs to the known technology of those skilled in the art.
Claims (10)
1. The utility model provides a multi-functional service spacecraft, includes goods cabin and instrument shelter, its characterized in that:
The instrument cabin adopts a sealed central bearing cylinder configuration; the outer bearing cylinder of the cargo cabin is a main bearing structure and is connected with the central bearing cylinder of the instrument cabin through a section of truncated cone, and meanwhile, the inner part of the cargo cabin is also provided with a sealed inner bearing cylinder which is connected with the outer bearing cylinder through an inverted truncated cone; the central bearing cylinder of the instrument cabin, the inner bearing cylinder and the outer bearing cylinder of the cargo cabin form a sealing space together with the transitional truncated cone and the inverted truncated cone.
2. A multi-function service spacecraft as claimed in claim 1, wherein: the instrument cabin center force bearing cylinder is in a cylindrical truncated cone structure, and the outer box plate is in an eight-prism structure.
3. A multi-function service spacecraft as claimed in claim 1, wherein: the upper end face of the instrument cabin is provided with a sealing cabin door, and the lower end face of the instrument cabin is provided with a sealing ring.
4. A multi-function service spacecraft as claimed in claim 1, wherein: the load bearing cylinder in the cargo cabin is provided with a sealing cabin door at the lower end surface of an inverted truncated cone, and a sealing ring at the upper end surface.
5. A multi-functional service spacecraft as claimed in claim 3 or 4, wherein: the lower end face of the instrument cabin center force bearing cylinder is in butt joint with the upper end face of the force bearing cylinder in the cargo cabin to form a sealing face, and the sealing face is fixedly connected through screw connection.
6. A multi-function service spacecraft as claimed in claim 1, wherein: the instrument cabin is provided with a lightweight docking mechanism, a propellant supplementing device and a mechanical arm, so that capturing, transposition docking and docking of the served spacecraft are realized.
7. A multi-functional service spacecraft as claimed in claim 1, wherein: the goods cabin is provided with a docking mechanism of 1 set of space station interface for docking with a space station; the diameter d of the bearing cylinder in the cargo cabin is 0.8 meter, and the bearing cylinder can accommodate astronauts for carrying cargoes, so that the cargo transportation service is realized.
8. A multi-function service spacecraft as claimed in claim 1, wherein: a small-sized return cabin and an ejection device thereof are arranged in the closed space of the spacecraft; the spacecraft moves to the separation orbit again, provides proper separation posture and speed, and ejects the small-sized return cabin, so as to finish reentry and return support service.
9. A multi-function service spacecraft as claimed in claim 6, wherein: the propellant supplementing device realizes that the propellant is supplemented by the lightweight docking mechanism, so that the propellant supplementing device is on-orbit for a long time and provides services for other spacecrafts for many times.
10. A multi-function service spacecraft as claimed in claim 1, wherein: the instrument cabin center bearing cylinder and the cargo cabin outer bearing cylinder are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410797153.7A CN118514874A (en) | 2024-06-20 | 2024-06-20 | Multifunctional service spacecraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410797153.7A CN118514874A (en) | 2024-06-20 | 2024-06-20 | Multifunctional service spacecraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118514874A true CN118514874A (en) | 2024-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410797153.7A Pending CN118514874A (en) | 2024-06-20 | 2024-06-20 | Multifunctional service spacecraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118514874A (en) |
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2024
- 2024-06-20 CN CN202410797153.7A patent/CN118514874A/en active Pending
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