CN106275455B - Aircraft cabin leak stopping ball - Google Patents
Aircraft cabin leak stopping ball Download PDFInfo
- Publication number
- CN106275455B CN106275455B CN201610937320.9A CN201610937320A CN106275455B CN 106275455 B CN106275455 B CN 106275455B CN 201610937320 A CN201610937320 A CN 201610937320A CN 106275455 B CN106275455 B CN 106275455B
- Authority
- CN
- China
- Prior art keywords
- ball body
- cabin
- cue ball
- layer
- leak stopping
- 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
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- 239000007789 gas Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000001307 helium Substances 0.000 claims description 8
- 229910052734 helium Inorganic materials 0.000 claims description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 5
- 229920000271 Kevlar® Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000004761 kevlar Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000003434 inspiratory effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Laminated Bodies (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention relates to a kind of aircraft cabin leak stopping balls, it includes cue ball body；The cue ball body includes internal layer and outer layer, and the inside of internal layer has the air cavity of accommodating gas, and cue ball body configures promising valve air cavity inflation or deflated；The outer layer is the outer layer with deformation nature.Leak stopping spherical structure of the invention is simple, it is easy production, it can be when cut occurs for cabin, cue ball body hits cabin breakage under the action of the pressure that cabin inside and outside differential pressure generates, cue ball body and the sucker shape of nacelle interior wall contact position recess are adsorbed in cabin, gas leakage mouth is rapidly and efficiently blocked, and then air pressure and temperature in fast quick-recovery cabin, stop the outer inspiratory flow at cut, ensure the safety and comfort of personnel in cabin, more quality time are provided to the landing of aircraft, effectively reduce loss.
Description
Technical field
The present invention relates to a kind of device for plugging, particularly relate to a kind of leak stopping ball for flying aircraft cabin cut.
Background technique
Passenger plane domestic flight between 6800-8000 meters, international flight will on between 9000-11000 meters, cabin occurs
When damaged, air pressure bust in cabin, passenger plane is usually dramatic decrease to 3000 meters of nearby height, air pressure 70kpa.With reference to Beijing Aviation
The meter for " Bernoulli equation of perfect gas " in " aeronautical and space technology outline (second edition) " that space flight university press publishes
Formula is calculated, if the high-altitude height above sea level 10000m, speed of a ship or plane 720km/h, -50 DEG C of temperature out of my cabin, aircraft cabin failure diameter 0.4m, cabin external and internal pressure
Difference:
F=PS=(1/2 ρ V2) π R2= ≈1030N；
Flying height is reduced to 3000m, speed of a ship or plane 540km/h, out of my cabin about -4.5 DEG C of temperature, and pressure difference is about 1270N.But temperature in cabin
Still very low, nearby wind speed is very big for cut, and cabin inside and outside differential pressure forms powerful pressure and is enough people's " suction " out of my cabin, to people in cabin
The especially breakage personnel of personnel in cabin are caused huge psychological pressure by uncomfortable and very big security threat caused by member,
Aircraft is had to force-land or make a return voyage nearby.
Summary of the invention
The present invention provides a kind of aircraft cabin leak stopping ball, and there are larger pressure differences inside and outside cabin when overcoming cabin that cut occurs
Security threat very big caused by personnel in cabin and discomfort with the temperature difference, force-land or problem with high costs of making a return voyage.
The present invention adopts the following technical scheme:
Aircraft cabin leak stopping ball, including cue ball body, diameter is when the size of the size of cue ball body can be equipped with gassy
300mm, 500mm, 1000mm or 2000mm are suitably selected according to cut size and location.It should prepare a little size rulers in cabin more
Very little different leak stopping ball.The size for observing damaged area selects size leak stopping ball bigger than damaged size, such as: damaged maximum
Place is 400mm, and diameter is selected to be not less than the leak stopping ball of 600mm.When flying height variation, significant changes, institute occur for atmospheric pressure
With etc. flying heights drop to certain height (5000m or less) when again complete inflation complete leak stopping.Extremely land in low-latitude flying,
Leak stopping sphere volume changes, but bulb diameter variation is less, influences less.Cue ball body includes internal layer and outer layer, the inside of internal layer
Air cavity with accommodating gas, cue ball body configure promising valve air cavity inflation or deflated, are accompanied with link on valve；This is outer
Layer is the outer layer with deformation nature.
It is further improved ground, above-mentioned air cavity inner gas pressure is greater than 15~35 KPa of external pressure, and above-mentioned cue ball body can be held
The inside and outside differential pressure received is greater than 45 KPa.It is proper that leak stopping ball internal and external pressure difference is maintained at 0.2 ~ 0.3 standard atmospheric pressure, pressure
Too high to leak stopping ball intensity requirement greatly, elasticity is too strong, is easy rebound when hitting cabin, plugging effect is bad；Pressure difference is too low, leak stopping
Ball, which is easily deformed, to be forced out out of my cabin.Therefore aircraft cabin failure, when flying height drops to 3000m, it is inflated to 0.9 standard of air pressure in ball
Atmospheric pressure (about 90KPa)-note: about 0.7 standard atmospheric pressure of air pressure out of my cabin at this time, 0.2 standard atmospheric pressure of inside and outside differential pressure.
Be further improved ground, above-mentioned cue ball body further includes middle layer, middle layer be located in the outer surface of above-mentioned internal layer with it is upper
Between the inner surface for the outer layer stated.Both above-mentioned outer layer, above-mentioned middle layer and above-mentioned internal layer are seperated absolute construction, or wherein
Structure is complex as a whole for composite construction or three.Above-mentioned internal layer is plastics, high-intensitive pressure-resistant rubber rubber or PU elasticity
The internal layer of material.Above-mentioned middle layer is made of the nylon or the fine and closely woven stratum reticulare of Kevlar high-strength material of one layer or multilayer；It is intermediate
For protecting internal layer that can bear larger pressure, netted middle layer can slightly swell layer in strong interior pressure, prevent external jagged
The destruction of object.In addition, above-mentioned outer layer is layer of silica gel, a plurality of recess are distributed in the outer surface of outer layer.Above-mentioned recess is in sucker
Shape, sucker shape recess close-packed arrays are covered with above-mentioned outer layer outer surface (except at valve).When the inflation of cue ball body is full, it is sudden and violent
Surface outside dew cabin is in aerodynamic configuration of the smoother state without influencing aircraft under pneumatic pressure, is press-connected with cabin wound
Part is adsorbed therewith by sucker shape recess strength, enhances the fastness of cue ball body, cue ball body is prevented integrally to be extruded cabin.
It is further improved ground, the buoyancy for the gas being filled in the above-mentioned air cavity of above-mentioned cue ball body is more than or equal to cue ball body
Gravity.Above-mentioned cue ball body is filled with helium and nitrogen mixture, and the volume ratio of helium and nitrogen is 2.8~3.5:1.If using
When helium, the nitrogen mixture of 3:1 ratio are inflated, in 3000m height, atmospheric density is ρ=0.91kg/m3, diameter 500mm master
The buoyancy that sphere is subject to:
FIt is floating= 0.6N,
GIt is mixed≈
Leak stopping ball weight about 0.4N suspends aerial just.
It is further improved ground, above-mentioned cue ball body is connect by suspension mechanism with machinery space bulkhead；Suspension mechanism includes leading truck, cunning
Seat and control drawstring；Leading truck extends ground fixing assembling on machinery space bulkhead along cabin direction of travel；Control the both ends difference of drawstring
It is fixedly connected to form closed loop configuration with slide, is fixedly installed pulley base in corresponding position respectively on leading truck and machinery space bulkhead, is controlled
Drawstring is installed on pulley base in tension, and the both ends of leading truck are each configured at the pulling of control drawstring；Leading truck
It is equipped with guide groove, slide is equipped with the sliding block to match with guide groove, is also configured with pulley between slide and guiding top of support, controls
Drawstring processed drives the slide to make oriented sliding along leading truck；Cue ball body is connect by connecting rope with the slide, and connecting rope is helically
One end of loop construction, connecting rope is fixedly connected with slide, and other end fixed configurations have clip, the valve of the clip and cue ball body
On link connection.
In the case where damaged decompression occurs in cabin, crew takes out appropriately sized above-mentioned cue ball body and inflates, in ball
Air pressure stops inflation when reaching suitable air pressure, and cue ball body link is connect with the clip in above-mentioned connecting rope, then pulls control
Drawstring processed reaches cue ball body near aircraft cabin failure, and cue ball body hits cabin under the action of the pressure that cabin inside and outside differential pressure generates
The sucker shape recess of breakage, cue ball body and nacelle interior wall contact position is adsorbed in cabin, and gas leakage mouth is effectively blocked, in cabin
Air pressure is slowly gone up under supercharging equipment effect, and temperature also gradually rises in cabin, and strong air-flow stops near breakage, aircraft
Cue ball body remains to block breakage under the adsorption force for pressure and sucker the shape recess that pressure difference generates during meeting an urgent need decline
Place, moves on afterwards or the sense of security, comfort of the occupant on the way of making a return voyage obtain certain recovery.
By the above-mentioned description to structure of the invention it is found that compared to the prior art, the present invention has the advantage that of the invention
Leak stopping spherical structure it is simple, be easy production, can cabin occur cut when, cabin inside and outside differential pressure generate pressure effect
Lower cue ball body hits cabin breakage, and cue ball body and the sucker shape recess of nacelle interior wall contact position are adsorbed in cabin, gas leakage mouth
It is rapidly and efficiently blocked, and then air pressure and temperature in fast quick-recovery cabin, stops the outer inspiratory flow at cut, ensure machine
The safety and comfort of personnel in cabin provides more quality time to the landing of aircraft, effectively reduces loss.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of leak stopping ball of the invention.
Fig. 2 is the structural schematic diagram that leak stopping ball of the invention configures suspension mechanism.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings.
Referring to Fig.1, Fig. 2, aircraft cabin leak stopping ball, including cue ball body 1, the size of the size of cue ball body 1, which can be equipped with, to be full of
Diameter is 300mm, 500mm, 1000mm or 2000mm when gas, is suitably selected according to cut size and location.It should be more in cabin
Prepare the different leak stopping ball of a little size dimensions.The size for observing damaged area selects size leak stopping ball bigger than damaged size,
Such as: damaged maximum is 400mm, and diameter is selected to be not less than the leak stopping ball of 600mm.When flying height variation, atmospheric pressure occurs
Significant changes, so waiting flying heights to complete inflation when dropping to certain height (5000m or less) again completes leak stopping.In low latitude
To landing, leak stopping sphere volume is changed for flight, but bulb diameter variation is less, influences less.Cue ball body 1 is including internal layer 11 and outside
Layer 12, the inside of internal layer 11 have the air cavity 10 of accommodating gas, and cue ball body 1 configures promising valve air cavity 10 inflation or deflated
14, link 141 is accompanied on valve 14；The outer layer 12 is the outer layer 12 with deformation nature.
It is further improved ground, above-mentioned 10 inner gas pressure of air cavity is greater than 15~35 KPa of external pressure, and above-mentioned cue ball body 1 can
The inside and outside differential pressure of receiving is greater than 45 KPa.It is proper that leak stopping ball internal and external pressure difference is maintained at 0.2 ~ 0.3 standard atmospheric pressure, pressure
Qiang Tai great is high to leak stopping ball intensity requirement, and elasticity is too strong, is easy rebound when hitting cabin, plugging effect is bad；Pressure difference is too low, blocks up
It loses to be easily deformed and be forced out out of my cabin.Therefore aircraft cabin failure, when flying height drops to 3000m, it is inflated to air pressure 0.9 mark in ball
Quasi- atmospheric pressure (about 90KPa)-note: about 0.7 standard atmospheric pressure of air pressure out of my cabin at this time, 0.2 standard atmospheric pressure of inside and outside differential pressure.
It is further improved ground, referring to Fig.1, above-mentioned cue ball body 1 further includes middle layer 13, and middle layer 13 is located in above-mentioned internal layer
Between 11 outer surface and the inner surface of above-mentioned outer layer 12.As shown in Figure 1 and Figure 2, above-mentioned outer layer 12,13 and of above-mentioned middle layer
Above-mentioned 11 three of internal layer is complex as a whole structure, and (three is also possible to for seperated absolute construction；Or wherein the two is composite junction
Structure, another layer are separate structure therewith).Above-mentioned internal layer 11 is plastics, high-intensitive pressure-resistant rubber rubber or PU elastic material
Internal layer 11.Above-mentioned middle layer 13 is made of the nylon or the fine and closely woven stratum reticulare of Kevlar high-strength material of one layer or multilayer；Middle layer
13 for protecting internal layer 11 that can bear larger pressure, and netted middle layer 13 can slightly swell in strong interior pressure, prevents outside
The destruction of jagged object.In addition, above-mentioned outer layer 12 is layer of silica gel, a plurality of recess are distributed in the outer surface of outer layer 12.It is above-mentioned recessed
Falling into is in sucker shape, and sucker shape recess close-packed arrays are covered with above-mentioned 12 outer surface of outer layer (except at valve 14).When cue ball body 1 fills
It is in aerodynamic configuration of the smoother state without influencing aircraft that it exposes the surface outside cabin when gas is full under pneumatic pressure, is created with cabin
The part that mouth is press-connected is adsorbed therewith by sucker shape recess strength, enhances the fastness of cue ball body 1, prevents cue ball body 1 whole
It is extruded cabin.
It is further improved ground, the buoyancy for the gas being filled in the above-mentioned air cavity 10 of above-mentioned cue ball body 1 is more than or equal to master
The gravity of sphere 1.Above-mentioned cue ball body 1 is filled with helium and nitrogen mixture, and the volume ratio of helium and nitrogen is 2.8~3.5:1.
If inflated using the helium of 3:1 ratio, nitrogen mixture, in 3000m height, atmospheric density is ρ=0.91kg/m3, diameter
The buoyancy that 500mm cue ball body 1 is subject to:
FIt is floating= 0.6N,
GIt is mixed≈
Leak stopping ball weight about 0.4N suspends aerial just.
It is further improved ground, referring to Fig. 2, above-mentioned cue ball body 1 is connect by suspension mechanism 2 with machinery space bulkhead；Suspension mechanism 2 wraps
Include leading truck 21, slide 22 and control drawstring 23；Leading truck 21 extends ground fixing assembling on machinery space bulkhead along cabin direction of travel；
The both ends of control drawstring 23 are fixedly connected to form closed loop configuration with slide 22 respectively, respectively in correspondence on leading truck 21 and machinery space bulkhead
Place is fixedly installed pulley base 24, and control drawstring 23 is installed on pulley base 24 in tension, the both ends point of leading truck 21
It Pei Zhiyou not control at the pulling of drawstring 23；Leading truck 21 is equipped with guide groove 210, and slide 22 is equipped with to match with guide groove 210
Suitable sliding block 221, pulley 222 is also configured between 21 top surface of slide 22 and leading truck, and control drawstring 23 drives 22 edge of slide
Leading truck 21 makees oriented sliding；Cue ball body 1 is connect by connecting rope 25 with the slide 22, the helically loop construction of connecting rope 25,
One end of connecting rope 25 is fixedly connected with slide 22, and other end fixed configurations have clip 251, the gas of the clip 251 and cue ball body 1
Link 141 on door 14 connects.The structural strength of link 141 is appropriate, will not be pulled off easily, is forced out cue ball body 1 out of my cabin
And it is inhaled into aircraft engine, major safety risks are caused, will not still be held inflexibly after cue ball body 1 extrudes out of my cabin, are not had
Have to stop a leak and influences the aerodynamic configuration of aircraft instead.
Referring to Fig.1, Fig. 2, in the case where damaged decompression occurs in cabin, crew takes out appropriately sized above-mentioned cue ball
Body 1 is inflated, and stops inflation when air pressure reaches suitable air pressure in ball, by 1 link 141 of cue ball body and the folder in above-mentioned connecting rope 25
Son 251 connects, and then pulls control drawstring 23 to reach cue ball body 1 near aircraft cabin failure, in the pressure that cabin inside and outside differential pressure generates
Cue ball body 1 hits cabin breakage under the action of power, and cue ball body 1 and the sucker shape recess of nacelle interior wall contact position are adsorbed on cabin
On, gas leakage mouth is effectively blocked, and air pressure is slowly gone up under supercharging equipment effect in cabin, and temperature also gradually rises in cabin, is broken
Strong air-flow stops near at damage, and aircraft cue ball body 1 during meeting an urgent need decline remains to pressure and sucker in pressure difference generation
Breakage is blocked under the adsorption force of shape recess, moves on afterwards or the sense of security, comfort of the occupant on the way of making a return voyage obtains
To certain recovery.Leak stopping spherical structure of the invention is simple, is easy production, can be quick and effective when cut occurs for cabin
Cut, and then air pressure and temperature in fast quick-recovery cabin are blocked in ground, stop the outer inspiratory flow at cut, ensure personnel in cabin
Safety and comfort, provide more quality time to the landing of aircraft, effectively reduce loss.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all to utilize this
Design makes a non-material change to the present invention, and should all belong to behavior that violates the scope of protection of the present invention.
Claims (6)
1. aircraft cabin leak stopping ball, including cue ball body；It is characterized by: the cue ball body includes internal layer and outer layer, internal layer it is interior
Portion has the air cavity of accommodating gas, and cue ball body configures promising valve air cavity inflation or deflated；The outer layer is with deformation behavior
The outer layer of energy；The air cavity inner gas pressure is greater than 15~35 KPa of external pressure, the inside and outside differential pressure that the cue ball body is able to bear
Greater than 45 KPa；The outer layer is layer of silica gel, and a plurality of recess are distributed in the outer surface of outer layer；The recess is in sucker shape, should
Recess close-packed arrays are covered with the outer layer outer surface；The cue ball body is connect by suspension mechanism with machinery space bulkhead；Suspension mechanism packet
Leading truck, slide and control drawstring are included, leading truck extends ground fixing assembling on machinery space bulkhead along cabin direction of travel, controls drawstring
Both ends be fixedly connected to form closed loop configuration with slide respectively, control drawstring drives the slide to make oriented sliding along leading truck, main
Sphere is connect by connecting rope with the slide.
2. aircraft cabin leak stopping ball as described in claim 1, it is characterised in that: the cue ball body further includes middle layer, intermediate
Layer is located between the outer surface of the internal layer and the inner surface of the outer layer.
3. aircraft cabin leak stopping ball as claimed in claim 2, it is characterised in that: the outer layer, the middle layer and described interior
Layer is seperated absolute construction, and perhaps wherein the two is that composite construction or three are complex as a whole structure.
4. aircraft cabin leak stopping ball as claimed in claim 2, it is characterised in that: the internal layer is plastics, rubber or PU bullet
The internal layer of property material；The middle layer is made of the nylon or the fine and closely woven stratum reticulare of Kevlar high-strength material of one layer or multilayer.
5. aircraft cabin leak stopping ball as described in claim 1, it is characterised in that: be filled in the air cavity of the cue ball body
The buoyancy of gas is more than or equal to the gravity of cue ball body.
6. aircraft cabin leak stopping ball as claimed in claim 5, it is characterised in that: the cue ball body is filled with helium and nitrogen mixing
The volume ratio of gas, helium and nitrogen is 2.8~3.5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937320.9A CN106275455B (en) | 2016-10-25 | 2016-10-25 | Aircraft cabin leak stopping ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937320.9A CN106275455B (en) | 2016-10-25 | 2016-10-25 | Aircraft cabin leak stopping ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106275455A CN106275455A (en) | 2017-01-04 |
| CN106275455B true CN106275455B (en) | 2019-05-28 |
Family
ID=57719933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610937320.9A Expired - Fee Related CN106275455B (en) | 2016-10-25 | 2016-10-25 | Aircraft cabin leak stopping ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106275455B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646038Y (en) * | 2003-10-20 | 2004-10-06 | 曾庆华 | Marine leakage stopper |
| CN2808730Y (en) * | 2005-04-23 | 2006-08-23 | 栾明芳 | Rapid leak-stopping air bag for ship |
| RU2456212C1 (en) * | 2011-03-14 | 2012-07-20 | Николай Николаевич Петухов | Gas-filled soft envelope |
| CN102635756A (en) * | 2012-04-20 | 2012-08-15 | 中国十七冶集团有限公司 | Under-water leakage blocking and repairing method of exterior line pipeline |
| CN104369847A (en) * | 2014-11-24 | 2015-02-25 | 中国人民解放军总后勤部军事交通运输研究所 | Marine airbag type fast leak stopper |
| CN206437225U (en) * | 2016-10-25 | 2017-08-25 | 王新刚 | Aircraft cabin leak stopping ball |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344433Y (en) * | 1998-09-25 | 1999-10-20 | 尹学军 | Air bag for blocking leakage |
| DE10217499C1 (en) * | 2002-04-19 | 2003-07-24 | Draeger Aerospace Gmbh | Safety device for gas distribution system in aircraft has pressure limiting device preceding pressure regulator provided with 2 parallel paths containing pressure-limiting valves |
| CN1569560A (en) * | 2004-04-28 | 2005-01-26 | 王寻芹 | Self-floating salvaging method and leakage stopping equipment and aerating device therefor |
-
2016
- 2016-10-25 CN CN201610937320.9A patent/CN106275455B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2646038Y (en) * | 2003-10-20 | 2004-10-06 | 曾庆华 | Marine leakage stopper |
| CN2808730Y (en) * | 2005-04-23 | 2006-08-23 | 栾明芳 | Rapid leak-stopping air bag for ship |
| RU2456212C1 (en) * | 2011-03-14 | 2012-07-20 | Николай Николаевич Петухов | Gas-filled soft envelope |
| CN102635756A (en) * | 2012-04-20 | 2012-08-15 | 中国十七冶集团有限公司 | Under-water leakage blocking and repairing method of exterior line pipeline |
| CN104369847A (en) * | 2014-11-24 | 2015-02-25 | 中国人民解放军总后勤部军事交通运输研究所 | Marine airbag type fast leak stopper |
| CN206437225U (en) * | 2016-10-25 | 2017-08-25 | 王新刚 | Aircraft cabin leak stopping ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106275455A (en) | 2017-01-04 |
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Granted publication date: 20190528 Termination date: 20211025 |