CN110466786A - A kind of airborne pressure maintaining fuel tank - Google Patents
A kind of airborne pressure maintaining fuel tank Download PDFInfo
- Publication number
- CN110466786A CN110466786A CN201910767283.5A CN201910767283A CN110466786A CN 110466786 A CN110466786 A CN 110466786A CN 201910767283 A CN201910767283 A CN 201910767283A CN 110466786 A CN110466786 A CN 110466786A
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- CN
- China
- Prior art keywords
- fuel oil
- fuel tank
- fuel
- adjustment part
- space adjustment
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/06—Constructional adaptations thereof
- B64D37/10—Constructional adaptations thereof to facilitate fuel pressurisation
Abstract
The present invention relates to space flight and aviation equipment technical fields, and disclose a kind of airborne pressure maintaining fuel tank, including fuel oil box, and each bunker top inner wall in the fuel oil box is fixedly installed with the Space adjustment part being adapted to bunker, the Space adjustment part volume-tunable.The airborne pressure maintaining fuel tank, most of fuel level is covered by stopping plate, and fuel oil is further buffered by Space adjustment part and shakes the impact force generated, considerably reduce the influence of liquid level of fuel oil in fuel tank impact, improve the service life of fuel tank, simultaneously because liquid level of fuel oil in fuel tank impact influence is smaller, it can largely cancel or reduce in design the quantity of partition, and then reduce because the generation of partition enclosing can not release amount of fuel and residual water, when high-altitude flight, close fuel oil box, as fuel oil is reduced, the increase of Space adjustment part volume occupies the space in fuel oil box, therefore the air pressure in fuel oil box can't be substantially reduced, increase the aircraft high-altitude flight time.
Description
Technical field
The present invention relates to space flight and aviation equipment technical field, specially a kind of airborne pressure maintaining fuel tank.
Background technique
Referring to Fig. 1, aircraft is emptying with the carry out fuel tank of oil consumption, in order to reduce the influence of liquid level of fuel oil in fuel tank shaking, In
It is provided with multiple parallel partitions in main fuel tank, fuel tank is divided into several boothes, fuel oil one-way flow between compartment, simultaneously
In order to guarantee that the range of air pressure in fuel tank maintains zone of reasonableness, fuel tank also needs to be connected to outside air using aerating system,
Need to close aerating system connection external air source also in the air high to maintain fuel tank internal air pressure.
Although fuel tank is divided into several small bunkers by partition, when fuel oil is discontented in small bunker shakes, due to
Amount of fuel is less in small bunker, and the influence for shaking generation can maintain in lesser range, and still, the fuel oil in small fuel tank shakes
Still have, although the entire effect of aircraft is had been lowered to it is sufficiently small, to part influence still have, especially to fly
Sump, the vibration that when shaking generates easily cause metal fatigue, reduce the service life of fuel tank, and on the other hand, small baffle makes
Dosage is more, and oil level can not be released in fuel tank and sets then more, the utilization rate reduction of fuel oil, while Residual oil and residual water are kept at
In higher range, bacterium is easily bred, the corrosion rate of inner wall of oil tank is increased, to the use longevity that further reduced fuel tank
It orders and improves frequency of maintenance.
The considerations of in cost, some fuel tankers for being usually used in high-altitude flight are not equipped with external air source usually, work as needs
Fuel tank is closed when of short duration high-altitude flight, to maintain air pressure in fuel tank, avoids low-voltage fuel from boiling, but with oil consumption
Increase, air pressure is gradually lowered in inappropriate low pressure range in fuel tank, must then reduce height at this time to maintain gas in fuel tank
Pressure, constrains the high-altitude flight time of aircraft, in some conditions, such as it is severe across large-scale low latitude by high-altitude flight
When weather, the high-altitude vehicle time is too short, cannot achieve leap.
Summary of the invention
For the deficiency of above-mentioned background technique, the present invention provides a kind of airborne pressure maintaining fuel tanks, have space automatic adjustment
The advantages of, solve the problems, such as background technique proposition.
The invention provides the following technical scheme: a kind of airborne pressure maintaining fuel tank, including fuel oil box, in the fuel oil box
Each bunker top inner wall is fixedly installed with the Space adjustment part being adapted to bunker, and the Space adjustment part volume-tunable is described
Telescoping tube is fixedly installed in the middle part of Space adjustment part, the bottom end of the telescoping tube is fixedly connected with floating block and stops plate, described
Space adjustment part is connected to external aeration system by snorkel.
Preferably, the side wall of the fuel oil box is equipped with pressure sensor and the communicating pipe with stop valve, the space
The side wall of regulating part is equipped with one-way ventilating pipe.
Preferably, the density of the floating block is less than the density of fuel oil, and floating block generated in being completely submerged in fuel oil it is floating
Power can support the pressure for stopping plate just.
Preferably, setting part is equipped at the folding of the Space adjustment part, the setting part includes and fuel oil box
The support ring of the setting ring and central circular of small bunker shape adaptation, is fixed between the support ring and setting ring by support rod
Connection.
Preferably, the telescoping tube runs through the side wall of fuel oil box, and seals between telescoping tube and fuel oil box, described to stretch
The draw includes multiple pivot bush unit piston tubes, and by piston seal between two piston tubes, the most thin piston tube is passed through
Floating block is worn, and internal be equipped with flows to upward check valve, the outermost piston tube is equipped with drain valve.
Preferably, the check valve and drain valve are set on the lateral wall of outermost piston tube.
The present invention have it is following the utility model has the advantages that
1, the airborne pressure maintaining fuel tank covers most of fuel level by stopping plate, and further by Space adjustment part
It buffers fuel oil and shakes the impact force generated, considerably reduce the influence of liquid level of fuel oil in fuel tank impact, improve fuel tank uses the longevity
On the other hand partition can largely be cancelled in design or be reduced to life since liquid level of fuel oil in fuel tank impact influence is smaller,
Quantity, and then reduce because the generation of partition enclosing can not release amount of fuel and residual water, while improving fuel utilization ratio
Bacteria breed is reduced, and then reduces bacteriogenic corrosion, fuel tank service life is further increased and reduces frequency of maintenance.
2, the airborne pressure maintaining fuel tank when high-altitude flight, closes fuel oil box, due to reducing with fuel oil, Space adjustment part
Volume increase occupies the space in fuel oil box, therefore the air pressure in fuel oil box can't be substantially reduced, and be increased considerably
The aircraft high-altitude flight time, improve adaptibility to response when aircraft special circumstances.
Detailed description of the invention
Fig. 1 is existing structure schematic diagram of the invention；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is the schematic diagram of telescoping tube in the present invention；
Fig. 4 is the schematic diagram of setting part in the present invention；
Fig. 5 is the schematic diagram of telescoping tube in the embodiment of the present invention two.
In figure: 1, fuel oil box；2, Space adjustment part；3, floating block；4, telescoping tube；41, piston tube；42, check valve；43,
Drain valve；5, plate is stopped；6, snorkel；7, one-way ventilating pipe；8, communicating pipe；9, pressure sensor；10, shape part；101, fixed
Shape ring；102, support ring；103, support rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2-5, a kind of airborne pressure maintaining fuel tank, including fuel oil box 1 are please referred to, at the top of each bunker in fuel oil box 1
Inner wall is fixedly installed with the Space adjustment part 2 being adapted to bunker, and 2 volume-tunable of Space adjustment part, Space adjustment part 2 is with pasta
Decline physical examination becomes larger, and occupies the space of oily reduction, the middle part of Space adjustment part 2 is fixedly installed with telescoping tube 4, the bottom of telescoping tube 4
End is fixedly connected with floating block 3 and obstruction plate 5, and floating block 3 is mobile with fuel level, drives telescoping tube 4 and stops the movement of plate 5, into
And the volume of expansive space regulating part 2, the space of fuel consumption release is occupied, on the other hand stops plate using telescoping tube 4 is fixed
5, limitation stops the movement of plate 5, and then avoids stopping the shaking of plate 5, and Space adjustment part 2 is connected to external aeration system by snorkel 6
System, when Space adjustment 2 volume expanded of part, suck outside air, avoid the pressure difference mistake between Space adjustment part 2 and fuel oil box 1
Greatly.
Wherein, the side wall of fuel oil box 1 is equipped with pressure sensor 9 and the communicating pipe 8 with stop valve, Space adjustment part 2
Side wall be equipped with one-way ventilating pipe 7, when aircraft be in high-altitude flight, pass through communicating pipe 8 truncation fuel oil box 1 air-flow
Flowing closes fuel oil box 1, while when communicating pipe, 8 failure can not restore gas flowing, by one-way ventilating pipe 7 and leading to
Tracheae 6 guarantees that air inlet is normal, by 9 prosecution tank pressure situation of pressure sensor, adjusts aircraft altitude at any time.
Wherein, the density of floating block 3 is less than the density of fuel oil, and the buoyancy that floating block 3 generates in being completely submerged in fuel oil is proper
The pressure for stopping plate 5 can be supported well, and the height of height follower's fuel level of floating block 3 is reduced and reduced, and then is driven and stretched
The variation of the draw 4 and Space adjustment part 2 promotes the volume of Space adjustment part 2 to increase.
Wherein, setting part 10 is equipped at the folding of Space adjustment part 2, setting part 10 includes the small oil with fuel oil box 1
The support ring 102 of the setting ring 101 and central circular of storehouse shape adaptation, passes through support rod between support ring 102 and setting ring 101
103 are fixedly connected, and the deformation of Space adjustment part 2, while support of the part 10 to Space adjustment part 2 that shape are determined by setting part 10
It avoids Space adjustment part 2 from being pressurized to collapse.
Wherein, telescoping tube 4 runs through the side wall of fuel oil box 1, and seals between telescoping tube 4 and fuel oil box 1, telescoping tube 4
It include multiple pivot bush unit piston tubes 41, and by piston seal between two piston tubes 41, most thin piston tube 41 runs through
Floating block 3, and internal be equipped with flows to upward check valve 42, outermost piston tube 41 is equipped with drain valve 43, works as piston tube
41 with floating block 3 when extending, inside draw fuel to telescoping tube 4, the length of fixation telescoping tube 4, and then avoid Space adjustment part 2
It is shaken with plate 5 is stopped as fuel oil shakes, when needing to refuel by fuel oil in the release telescoping tube 4 of drain valve 43, and with
Fuel tank intermediate fuel oil increase, under the action of 3 buoyancy of floating block, what telescoping tube 4 and Space adjustment part 2 restored arrives original state.
Embodiment two
Under conditions of other conditions remain unchanged, check valve 42 and drain valve 43 are set on outermost piston tube 41
On lateral wall, telescoping tube 4 is not running through fuel oil box 1 and floating block 3, and piston tube 41 is single by check valve 42 when elongation
To draw Space adjustment part 2 in gas, by gas limit piston tube 41 shorten, reduce Space adjustment part 2 and setting part 10 with
Fuel oil jitter amplitude opens drain valve 43 when needing to refuel and discharges 4 internal gas of telescoping tube, compared with embodiment one, reduces
The waste for the fuel oil drawn in telescoping tube 4.
The working principle of the invention:
With the consumption of fuel oil in fuel oil box 1, floating block 3 is followed by fuel level and reduces height, and telescoping tube 4 is driven to stretch
Long and obstruction plate 5 declines, and then Space adjustment part 2 is unfolded, and occupies the space that most of fuel oil releases, while passing through ventilation
6 suck up outside space of pipe reduces the pressure difference of Space adjustment part 2 and fuel oil box 1 and passes through check valve 42 when telescoping tube 4 extends
Unidirectional draw oil or air, the length of fixed telescoping tube 4, and then the fixed position for stopping plate 5, shake when fuel oil
When, most fuel level is sealed due to stopping plate 5, only a small amount of fuel oil is flowed through from 5 side of plate is stopped, and few
The fuel oil of amount outflow is further buffered by the fold of Space adjustment part 2, is reduced fuel oil and is shaken the adverse effect generated.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of airborne pressure maintaining fuel tank, including fuel oil box (1), it is characterised in that: each bunker in the fuel oil box (1)
Top inner wall is fixedly installed with the Space adjustment part (2) being adapted to bunker, Space adjustment part (2) volume-tunable, the sky
Between be fixedly installed with telescoping tube (4) in the middle part of regulating part (2), the bottom end of the telescoping tube (4) is fixedly connected with floating block (3) and resistance
Sideboard (5), the Space adjustment part (2) are connected to external aeration system by snorkel (6).
2. a kind of airborne pressure maintaining fuel tank according to claim 1, it is characterised in that: the side wall of the fuel oil box (1) is set
There are pressure sensor (9) and the communicating pipe (8) with stop valve, the side wall of the Space adjustment part (2) is equipped with one-way ventilating pipe
(7)。
3. a kind of airborne pressure maintaining fuel tank according to claim 1, it is characterised in that: the density of the floating block (3) is less than combustion
The density of oil, and the buoyancy that floating block (3) generates in being completely submerged in fuel oil can support the pressure for stopping plate (5) just.
4. a kind of airborne pressure maintaining fuel tank according to claim 1, it is characterised in that: the folding of the Space adjustment part (2)
Place is equipped with setting part (10), and setting part (10) includes and the setting ring of the small bunker shape adaptation of fuel oil box (1)
(101) and the support ring of central circular (102), pass through support rod (103) between the support ring (102) and setting ring (101)
It is fixedly connected.
5. a kind of airborne pressure maintaining fuel tank according to claim 1, it is characterised in that: the telescoping tube (4) is through fuel oil oil
The side wall of case (1), and sealed between telescoping tube (4) and fuel oil box (1), the telescoping tube (4) includes multiple pivot bush units
Piston tube (41), and by piston seal between two piston tubes (41), the most thin piston tube (41) runs through floating block (3),
And internal be equipped with flows to upward check valve (42), the outermost piston tube (41) is equipped with drain valve (43).
6. a kind of airborne pressure maintaining fuel tank according to claim 5, it is characterised in that: the check valve (42) and drain valve
(43) on the lateral wall of outermost piston tube (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767283.5A CN110466786B (en) | 2019-08-20 | 2019-08-20 | Airborne pressure-maintaining oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767283.5A CN110466786B (en) | 2019-08-20 | 2019-08-20 | Airborne pressure-maintaining oil tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110466786A true CN110466786A (en) | 2019-11-19 |
| CN110466786B CN110466786B (en) | 2021-08-31 |
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ID=68511084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910767283.5A Active CN110466786B (en) | 2019-08-20 | 2019-08-20 | Airborne pressure-maintaining oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110466786B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212772A (en) * | 2021-05-19 | 2021-08-06 | 朱钰钒 | Fuel device of jet power flight knapsack |
| CN114771848A (en) * | 2022-06-20 | 2022-07-22 | 中国飞机强度研究所 | Water hammer effect suppression system and method for airplane structure impact resistance test |
| CN116353836A (en) * | 2023-04-19 | 2023-06-30 | 南京儒一航空机械装备有限公司 | Pressure maintaining oil tank for aircraft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818559A (en) * | 2012-11-19 | 2014-05-28 | 尤洛考普特公司 | Fuel storage device, aircraft and method |
| CN104176262A (en) * | 2014-09-15 | 2014-12-03 | 北京航空航天大学 | Pressure-maintaining oil tank of aircraft |
| CN204480848U (en) * | 2015-03-07 | 2015-07-15 | 孙艺夫 | Outer oily vertical metal bellow oil conservator |
| CN105460118A (en) * | 2015-12-05 | 2016-04-06 | 重庆市成吉思机械制造有限公司 | Inflatable anti-oscillation oil tank for motorcycle |
| US20170175639A1 (en) * | 2015-12-18 | 2017-06-22 | Pratt & Whitney Canada Corp. | Engine fuel system for use with composite aircraft |
| CN107298181A (en) * | 2017-06-29 | 2017-10-27 | 成都鑫晨航空科技有限公司 | A kind of novel airborne main fuel tank |
| CN207374686U (en) * | 2017-11-03 | 2018-05-18 | 西安蓝悦航天科技有限公司 | A kind of dynamic unmanned sump medicine-chest of oil integrates fuselage |
-
2019
- 2019-08-20 CN CN201910767283.5A patent/CN110466786B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818559A (en) * | 2012-11-19 | 2014-05-28 | 尤洛考普特公司 | Fuel storage device, aircraft and method |
| CN104176262A (en) * | 2014-09-15 | 2014-12-03 | 北京航空航天大学 | Pressure-maintaining oil tank of aircraft |
| CN204480848U (en) * | 2015-03-07 | 2015-07-15 | 孙艺夫 | Outer oily vertical metal bellow oil conservator |
| CN105460118A (en) * | 2015-12-05 | 2016-04-06 | 重庆市成吉思机械制造有限公司 | Inflatable anti-oscillation oil tank for motorcycle |
| US20170175639A1 (en) * | 2015-12-18 | 2017-06-22 | Pratt & Whitney Canada Corp. | Engine fuel system for use with composite aircraft |
| CN107298181A (en) * | 2017-06-29 | 2017-10-27 | 成都鑫晨航空科技有限公司 | A kind of novel airborne main fuel tank |
| CN207374686U (en) * | 2017-11-03 | 2018-05-18 | 西安蓝悦航天科技有限公司 | A kind of dynamic unmanned sump medicine-chest of oil integrates fuselage |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212772A (en) * | 2021-05-19 | 2021-08-06 | 朱钰钒 | Fuel device of jet power flight knapsack |
| CN114771848A (en) * | 2022-06-20 | 2022-07-22 | 中国飞机强度研究所 | Water hammer effect suppression system and method for airplane structure impact resistance test |
| CN116353836A (en) * | 2023-04-19 | 2023-06-30 | 南京儒一航空机械装备有限公司 | Pressure maintaining oil tank for aircraft |
| CN116353836B (en) * | 2023-04-19 | 2023-09-29 | 南京儒一航空机械装备有限公司 | Pressure maintaining oil tank for aircraft |
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|---|---|
| CN110466786B (en) | 2021-08-31 |
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Effective date of registration: 20210714 Address after: 310000 agricultural and commercial building xn3-013, Linjiang street, Qiantang New District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Wendian Communication Technology Co.,Ltd. Address before: 310016 No.89, Qingnian Wenming street, Jiubao Town, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Tao Shuifang |
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