CN206885323U - Utricule regulator and there is its aerostatics - Google Patents
Utricule regulator and there is its aerostatics Download PDFInfo
- Publication number
- CN206885323U CN206885323U CN201720690229.1U CN201720690229U CN206885323U CN 206885323 U CN206885323 U CN 206885323U CN 201720690229 U CN201720690229 U CN 201720690229U CN 206885323 U CN206885323 U CN 206885323U
- Authority
- CN
- China
- Prior art keywords
- utricule
- pressure
- gas port
- pressure relief
- adjustment portion
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
- B64B1/62—Controlling gas pressure, heating, cooling, or discharging gas
Abstract
The utility model provides a kind of utricule regulator and has its aerostatics, and the utricule regulator includes：Installation portion, installation portion are arranged on utricule upper end, and installation portion includes the gas port with conducting inside utricule；Pressure relief, pressure relief is arranged on installation portion, and pressure relief has the first position of sealing gas port, and avoids gas port so that utricule and the second place of extraneous conducting, when pressure inside utricule reaches preset value, pressure relief is driven to the second place by the internal pressure of utricule.Whole pressure leak process need not by external impetus equipment and detection device, effectively prevent led to not in the prior art due to external equipment failure normal pressure release the occurrence of.
Description
Technical field
Utricule voltage adjusting device technical field is the utility model is related to, in particular to a kind of utricule regulator and tool
There is its aerostatics.
Background technology
With the continuous development of near space cause research, the endurance requirement near space aerostatics is also increasingly longer.
Near space aerostatics is mainly filled in the utricule that a certain amount of buoyance lift gas requires to resistance near space particular surroundings to enter
Row flight, and the systems such as related communication, avionics and control are carried to complete the flight of aerostatics, monitoring and controlling and landing recovery etc.
Work.Because near space day and night temperature is big, solar radiation and the irradiation of strong ultraviolet so that load the utricule of buoyance lift gas
Superpressure when solar radiation within a certain period of time can be present, when internal pressure exceedes its limit that can bear
When, then utricule can have the risk of superpressure explosion, to prevent the generation of superpressure blast, then need before utricule superpressure on utricule top
Portion is deflated by internal gas.The successful deflation of deflation valve and effectively sealing play most important to the overpressure protection of utricule
Effect.
Helium valves mechanism in existing near space aerostatics relies primarily on motor driver and filled with machine driving
Put the mode being combined to carry out switching valve closing door, deflated with realizing.But the means of deflation has to keep powering constantly, works as floating
Device is in close to space vehicle, once chance failure occurs in valve circuit, then the valve means of deflation will be unable to normal work, lead
The blast of utricule superpressure is caused, and the power supply of lasting valve driving machine will certainly have certain loss to the energy battery deposit of aerostatics,
It is unfavorable for the long run of aerostatics.
Utility model content
Main purpose of the present utility model is to provide a kind of utricule regulator and has its aerostatics, existing to solve
There is utricule regulator its external accessory in technology easily to break down and cause can not normal pressure release the problem of.
To achieve these goals, according to one side of the present utility model, there is provided a kind of utricule regulator, bag
Include：Installation portion, installation portion are arranged on utricule upper end, and installation portion includes the gas port with conducting inside utricule；Pressure relief, pressure release
Structure is arranged on installation portion, and pressure relief has the first position of sealing gas port, and avoid gas port so that utricule with it is outer
The second place of boundary's conducting, when pressure inside utricule reaches preset value, pressure relief by the internal pressure of utricule drive to
The second place.
Further, pressure relief includes：Containment vessel, containment vessel are arranged on installation portion；Adjustment portion, adjustment portion may move
Ground is arranged in the installation cavity of containment vessel, when pressure relief is in first position, adjustment portion sealing gas port；Work as pressure relief
During in the second place, adjustment portion avoids gas port.
Further, protect and passage is provided with shell side wall, passage turns on extraneous, when pressure relief is in first
During position, adjustable unit blocks between passage and gas port, and when pressure relief is in the second place, adjustment portion avoids air guide
Hole, passage are conducted with gas port.
Further, passage is multiple that multiple passages are uniformly arranged on the one of the close installation portion of protection shell side wall
End.
Further, the inwall of containment vessel is provided with the first guide frame, and adjustment portion includes the second guide frame, and first leads
To the guide frame of structure directing second, so that adjustment portion is moved along the direction closer or far from gas port.
Further, the first guide frame is guide groove, and the second guide frame is lead, and lead is movably disposed
In guide groove.
Further, containment vessel includes housing and sets the guiding stretched out on an interior surface of the housing and into installation cavity
Cylinder, the centre bore of guide cylinder is as guide groove.
Further, adjustment portion also includes sealing plate, and sealing plate is connected to one end of the close gas port of lead, sealing
The side wall of plate is adapted between the side wall of sealing plate and the inwall of containment vessel with the inwall of containment vessel and is provided with sealing ring.
Further, pressure relief also includes pressure apparatus, and pressure apparatus is arranged in installation cavity, so that adjustment portion is with pre-
If the pressure closure gas port of value.
Further, pressure apparatus includes spring, and the first end of spring is connected to the external part of guide cylinder, and the second of spring
End is connected on sealing plate.
According to another aspect of the present utility model, there is provided a kind of aerostatics, the aerostatics fill including above-mentioned utricule pressure regulation
Put.
Using the technical solution of the utility model, because utricule regulator of the present utility model includes pressure relief, and
Pressure relief has the first position of sealing gas port, and avoids gas port so that utricule and the second place of extraneous conducting, when
Utricule is influenceed in close to space vehicle process by external environment, and when causing the pressure of inside to become big and exceed preset value, let out
Laminated structure can be directly driven by the internal pressure of utricule, and be switched to the second place, complete pressure release, and whole pressure leak process need not
By external impetus equipment and detection device, it effectively prevent and led to not in the prior art due to external equipment failure normally
Pressure release the occurrence of.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
The implementation when pressure relief that Fig. 1 diagrammatically illustrates utricule regulator of the present utility model is in first position
The structure chart of example；And
The implementation when pressure relief that Fig. 2 diagrammatically illustrates utricule regulator of the present utility model is in the second place
The structure chart of example.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, installation portion；20th, pressure relief；21st, containment vessel；211st, installation cavity；212nd, passage；213rd, guide groove；214、
First boss；215th, second boss；22nd, lead；23rd, sealing plate；30th, spring.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Just as mentioned in the background, the helium valves mechanism in existing near space aerostatics relies primarily on electricity
Machine actuating device carries out switching valve closing door with the mode that mechanical driving device is combined, and is deflated with realizing.But the means of deflation must
It need keep powering constantly, when aerostatics is in close to space vehicle, once chance failure occurs in valve circuit, then the valve is put
Device of air will be unable to normal work, cause utricule superpressure to be exploded, and the power supply of lasting valve driving machine will certainly be to the energy of aerostatics
Source battery deposit has certain loss, is unfavorable for the long run of aerostatics.
In order to solve the above problems, referring to shown in Fig. 1 and Fig. 2, the utility model provides a kind of utricule regulator, should
Utricule regulator includes installation portion 10 and pressure relief 20, wherein, the installation portion 10 in the utility model is arranged on utricule
End, installation portion 10 include the gas port with conducting inside utricule；Pressure relief 20 is arranged on installation portion 10, and pressure relief 20 has
There is the first position of sealing gas port, and avoid gas port so that utricule and the second place of extraneous conducting, inside utricule
When pressure reaches preset value, pressure relief 20 is driven to the second place by the internal pressure of utricule.Utricule of the present utility model is adjusted
Pressure device includes pressure relief 20, and pressure relief 20 has the first position of sealing gas port, and avoids gas port so that capsule
Body and the second place of extraneous conducting, when utricule is influenceed in close to space vehicle process by external environment, and cause inside
When pressure becomes big and exceedes preset value, pressure relief can be directly driven by the internal pressure of utricule, be switched to the second place, complete
Pressure release, whole pressure leak process need not effectively prevent in the prior art due to outer by external impetus equipment and detection device
Portion's equipment fault and lead to not normal pressure release the occurrence of.Simultaneously as installation portion of the present utility model is arranged on capsule
Body upper end, the self gravitation of pressure relief 20 can be effectively utilized, realize pressure relief 20 from first position to the second place
Driving.
Specifically, the pressure relief in the utility model includes containment vessel 21 and adjustment portion, wherein, containment vessel 21 is installed
On installation portion 10；Adjustment portion is movably disposed in the installation cavity 211 of containment vessel 21, when pressure relief 20 is in first
When putting, adjustment portion sealing gas port；When pressure relief 20 is in the second place, adjustment portion avoids gas port.During installation, it incite somebody to action this
The containment vessel 21 of utility model is arranged on installation portion 10, to provide space for the regulation campaign of adjustment portion, while protects regulation
Portion is not influenceed by external environment, especially in complex environment as near space, preferably keeps adjusting by containment vessel
The stability of section portion work.When pressure inside utricule becomes preset value that is big and exceeding pressure, the pressure inside utricule is direct
Adjustment portion motion is driven, and then adjustment portion is no longer blocked gas port, makes the gas leakage inside utricule, and then realize pressure release.
After pressure inside utricule revert to the value less than preset value, adjustment portion revert to the position of sealing gas port again, ensures
The sealing of utricule.
Because utricule is made up of flexible material, valve mechanism can not be mounted directly, in order to facilitate staff to this practicality
New pressure relief 20 is installed, and the installation portion 10 in the utility model is preferably flange arrangement, during installation, on utricule
End first opens up a hole, flange arrangement is arranged on the hole of utricule upper end, and offer on the flange arrangement with utricule
Pressure relief 20 in the utility model, is arranged on flange arrangement by the gas port of portion's conducting afterwards.Wherein, the flange arrangement
Upper to have flange mounting hole, containment vessel 21 is bolted to connection on the flange mounting hole.
In order to while the defencive function of containment vessel 21 is ensured, realize that gas port loses heart to outside, in the utility model
The side wall of containment vessel 21 on be provided with passage 212, passage 212 turns on extraneous, when pressure relief 20 is in first position
When, adjustable unit is blocked between passage 212 and gas port, and when pressure relief 20 is in the second place, adjustment portion is avoided and led
Stomata, passage 212 are conducted with gas port.In utricule normal work, pressure relief 20 is in first position, now adjusts
Portion is sealed on gas port, can not be turned between passage 212 and gas port, ensures the sealing of utricule.When the inside of utricule is pressed
When power is more than preset value, the motion of pressure-driven adjustment portion, and then adjustment portion is no longer blocked gas port, gas port and passage phase
Conducting, makes the gas leakage inside utricule, and then realize pressure release.
In order to facilitate the installation of staff, the containment vessel 21 in the utility model includes lower casing, and removably installs
Upper casing on lower casing, wherein, lower casing is arranged on installation portion, and the inner space of upper casing and lower casing is collectively forming above-mentioned installation cavity
211.Specifically, the upper casing in the utility model is provided with first boss 214 close to one end of lower casing, and lower casing is close to upper casing
One end is provided with second boss 215, and connection is offered with the mutual corresponding position of second boss 215 in first boss 214
Hole.During installation, staff is first located on lower casing by the installation of pressure relief 20 in the utility model, then by upper shell cover,
And bolt is worn in connecting hole, by the cooperation of bolts and nuts, upper casing is fixed on lower casing, so that containment vessel 21 rises
To the protective effect to pressure relief.
When pressure relief 20 is in the second place, in order to which the gas ensured in utricule can quickly release, complete as early as possible
Pressure release, the passage 212 in the utility model is multiple, and multiple passages 212 are uniformly arranged on the close of the side wall of containment vessel 21
One end of installation portion 10.
In order that the motion process of the adjustment portion in the utility model is accurate, the inwall of the containment vessel 21 in the utility model
It is provided with the first guide frame, in the present embodiment, the first guide frame is arranged at the bottom of the upper casing of containment vessel 21.Adjustment portion bag
The second guide frame is included, the first guide frame is oriented to the second guide frame, so that side of the adjustment portion edge closer or far from gas port
To motion.During work, the motion path of adjustment portion is carried out by the cooperation between the first guide frame and the second guide frame
It is oriented to, ensure that the movement locus of adjustment portion, the stability that enhancing adjustment portion is moved between the second place and first position.
Specifically, the first guide frame in the utility model is guide groove 213, and the second guide frame is lead
22, lead 22 is movably disposed in guide groove 213.Pressure inside utricule becomes preset value big and more than pressure
When, the pressure direct drive adjustment portion motion inside utricule, led by motion realization of the lead 22 guide groove 213 inside
To, and then adjustment portion is no longer blocked gas port, make the gas leakage inside utricule, and then realize pressure release.Inside utricule
After pressure revert to the value less than preset value, adjustment portion revert to the position of sealing gas port again, ensures the sealing of utricule.
Wherein, the containment vessel 21 in the utility model includes housing and set on an interior surface of the housing and to installation cavity
The guide cylinder stretched out in 211, the centre bore of guide cylinder is as guide groove 213.The first guide frame in certain the utility model
Can also be other guide frames with the second guide frame, such as the first guide frame is lead, and the second guide frame is guiding
Groove etc., as long as it disclosure satisfy that the structure of the guide function of the first guide frame and the second guide frame of the present utility model is equal
Can.
In order to prevent the adjustment portion in the utility model when blocking gas port, will not gas leakage, ensure the sealing of utricule,
Adjustment portion in the utility model also includes sealing plate 23, and sealing plate 23 is connected to one end of the close gas port of lead 22,
The side wall of sealing plate 23 is adapted with the inwall of containment vessel, is provided between the side wall of sealing plate 23 and the inwall of containment vessel 21 close
Seal.During installation, sealing ring is set in the side wall of sealing plate, the sealing ring is preferably rubber ring, is realized by sealing ring
Closure to the gap between sealing plate and containment vessel inwall.Pressure inside utricule becomes preset value big and more than pressure
When, the pressure direct drive adjustment portion motion inside utricule, led by motion realization of the lead 22 guide groove 213 inside
To, and drive sealing plate 23 to move by lead 22, and then adjustment portion is no longer blocked gas port, make the gas inside utricule
Release, and then realize pressure release.After pressure inside utricule revert to the value less than preset value, adjustment portion revert to sealing again
The position of gas port, and sealing plate side wall and the gap of containment vessel inwall are sealed by sealing ring, ensure the sealing of utricule.
Shown in Figure 2, the pressure relief 20 in the utility model also includes pressure apparatus, and pressure apparatus is arranged on installation
In chamber 211, so that adjustment portion blocks gas port with the pressure of preset value.Staff, can be real according to utricule when being assembled
The pressure value that border can be born, selectes the pressure preset of pressure apparatus, i.e. adjustment portion is pressed in the pressure value on gas port.
Specifically, the pressure apparatus in the utility model includes spring 30, and the first end of spring 30 is connected to guide cylinder
External part, the second end of spring 30 is connected on sealing plate 23.Staff, can be according to the actual energy of utricule when being assembled
The pressure value enough born, selectes the value of elastic of spring, i.e. adjustment portion is pressed in the pressure value on gas port.Pressure in the utility model
Power apparatus is alternatively other devices, as long as disclosure satisfy that pressure apparatus of the present utility model can set pressure preset function
Pressure apparatus.
According to another aspect of the present utility model, there is provided a kind of aerostatics, the aerostatics fill including above-mentioned utricule pressure regulation
Put.The aerostatics by above-mentioned utricule regulator in close to space vehicle, can timely pressure release, and be not required to lasting valve
Door motor is powered, will not be lossy to the energy battery of aerostatics deposit, is advantageous to long run.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
Because utricule regulator of the present utility model includes pressure relief, and pressure relief has the of sealing gas port
One position, and avoid gas port so that utricule and the second place of extraneous conducting, when utricule close to space vehicle process by
External environment influences, and when causing the pressure of inside to become big and exceed preset value, pressure relief can be straight by the internal pressure of utricule
Driving is connect, and is switched to the second place, completes pressure release, whole pressure leak process need not be set by external impetus equipment and detection
It is standby, effectively prevent led to not in the prior art due to external equipment failure normal pressure release the occurrence of.
It is noted that above-mentioned detailed description is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Term can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.
In addition, term " comprising " and " having " and their any deformation, it is intended that cover it is non-exclusive include, example
Such as, process, method, system, product or the equipment for containing series of steps or unit are not necessarily limited to those clearly listed
Step or unit, but may include not list clearly or for intrinsic other of these processes, method, product or equipment
Step or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.
For example, if the device in accompanying drawing is squeezed, it is described as " above other devices or construction " or " in other devices
On part or construction " device after will be positioned as or " in other devices or constructing it " below other devices or construction "
Under ".Thus, exemplary term " in ... top " can include " in ... top " and " in ... lower section " two kinds of orientation.Should
Device can also other different modes positioning (being rotated by 90 ° or in other orientation), it is and relative to space used herein above
Respective explanations are made in description.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (11)
- A kind of 1. utricule regulator, it is characterised in that including：Installation portion (10), the installation portion (10) are arranged on utricule upper end, the installation portion (10) include with inside the utricule The gas port of conducting；Pressure relief (20), the pressure relief (20) are arranged on the installation portion (10), and the pressure relief (20) has Seal the first position of the gas port, and avoid the gas port so that utricule and the second place of extraneous conducting, when described When pressure inside utricule reaches preset value, the pressure relief (20) is driven to described second by the internal pressure of the utricule Position.
- 2. utricule regulator according to claim 1, it is characterised in that the pressure relief (20) includes：Containment vessel (21), the containment vessel (21) are arranged on the installation portion (10)；Adjustment portion, the adjustment portion are movably disposed in the installation cavity (211) of the containment vessel (21), when the pressure release knot When structure (20) is in the first position, the adjustment portion seals the gas port；When the pressure relief (20) is in described During the second place, the adjustment portion avoids the gas port.
- 3. utricule regulator according to claim 2, it is characterised in that be provided with containment vessel (21) side wall logical Stomata (212), the passage (212) turns on extraneous, described when the pressure relief (20) is in the first position Blocked between passage (212) and the gas port by the adjustment portion, when the pressure relief (20) is in the second When putting, the adjustment portion avoids the gas port, and the passage (212) is conducted with the gas port.
- 4. utricule regulator according to claim 3, it is characterised in that the passage (212) is multiple, Duo Gesuo State one end that passage (212) is uniformly arranged on the close installation portion (10) of the containment vessel (21) side wall.
- 5. utricule regulator according to claim 3, it is characterised in that the inwall of the containment vessel (21) is provided with One guide frame, the adjustment portion include the second guide frame, and first guide frame is oriented to second guide frame, with The adjustment portion is set to be moved along the direction closer or far from the gas port.
- 6. utricule regulator according to claim 5, it is characterised in that first guide frame is guide groove (213), second guide frame is lead (22), and the lead (22) is movably disposed at the guide groove (213) in.
- 7. utricule regulator according to claim 6, it is characterised in that the containment vessel (21) includes housing and setting The guide cylinder stretched out on the inner surface of the housing and into the installation cavity (211), the centre bore conduct of the guide cylinder The guide groove (213).
- 8. utricule regulator according to claim 7, it is characterised in that the adjustment portion also includes sealing plate (23), The sealing plate (23) is connected to one end of the close gas port of the lead (22), the side wall of the sealing plate (23) It is adapted with the inwall of the containment vessel (21), is set between the side wall of the sealing plate (23) and the inwall of the containment vessel (21) It is equipped with sealing ring.
- 9. utricule regulator according to claim 8, it is characterised in that the pressure relief (20) also includes pressure and filled Put, the pressure apparatus is arranged in the installation cavity (211), so that the adjustment portion described in the closure of the pressure of preset value to lead Stomata.
- 10. utricule regulator according to claim 9, it is characterised in that the pressure apparatus includes spring (30), institute The first end for stating spring (30) is connected to the external part of the guide cylinder, and the second end of the spring (30) is connected to the sealing On plate (23).
- 11. a kind of aerostatics, including utricule regulator, it is characterised in that the utricule regulator is claim 1 to 10 Any one of utricule regulator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690229.1U CN206885323U (en) | 2017-06-14 | 2017-06-14 | Utricule regulator and there is its aerostatics |
| PCT/CN2018/079766 WO2018228012A1 (en) | 2017-06-14 | 2018-03-21 | Envelope pressure regulating device and aerostat having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690229.1U CN206885323U (en) | 2017-06-14 | 2017-06-14 | Utricule regulator and there is its aerostatics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206885323U true CN206885323U (en) | 2018-01-16 |
Family
ID=61318654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720690229.1U Expired - Fee Related CN206885323U (en) | 2017-06-14 | 2017-06-14 | Utricule regulator and there is its aerostatics |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206885323U (en) |
| WO (1) | WO2018228012A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228012A1 (en) * | 2017-06-14 | 2018-12-20 | 深圳光启空间技术有限公司 | Envelope pressure regulating device and aerostat having same |
| CN112660359A (en) * | 2020-12-30 | 2021-04-16 | 中国特种飞行器研究所 | Aerostatics utricule safety device and aerostatics |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9174720B1 (en) * | 2013-05-28 | 2015-11-03 | Google Inc. | Actuated umbrella valves to deflate bladder in balloon envelope |
| CN106246978A (en) * | 2015-12-29 | 2016-12-21 | 中国特种飞行器研究所 | A kind of aerostatics is with tool-free machine automatization drain tap |
| CN206885323U (en) * | 2017-06-14 | 2018-01-16 | 深圳光启空间技术有限公司 | Utricule regulator and there is its aerostatics |
-
2017
- 2017-06-14 CN CN201720690229.1U patent/CN206885323U/en not_active Expired - Fee Related
-
2018
- 2018-03-21 WO PCT/CN2018/079766 patent/WO2018228012A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228012A1 (en) * | 2017-06-14 | 2018-12-20 | 深圳光启空间技术有限公司 | Envelope pressure regulating device and aerostat having same |
| CN112660359A (en) * | 2020-12-30 | 2021-04-16 | 中国特种飞行器研究所 | Aerostatics utricule safety device and aerostatics |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018228012A1 (en) | 2018-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |