CN206569276U - A kind of low dead oil Anti-bubble fuel tanker device of suction type - Google Patents
A kind of low dead oil Anti-bubble fuel tanker device of suction type Download PDFInfo
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- CN206569276U CN206569276U CN201720290380.6U CN201720290380U CN206569276U CN 206569276 U CN206569276 U CN 206569276U CN 201720290380 U CN201720290380 U CN 201720290380U CN 206569276 U CN206569276 U CN 206569276U
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Abstract
The utility model principally falls into tank design technical field, is related to a kind of low dead oil Anti-bubble fuel tanker device of suction type.The fuel tanker device includes tank envelope, the oil suction flexible pipe being arranged inside the tank envelope, the oil filler and oil-out being arranged on the tank envelope, and the fuel tanker device also includes wave resistance baffle plate；The quantity of the wave resistance baffle plate is at least one；The inner space of the fuel tanker device is separated at least two spaces by the wave resistance baffle plate, and the two spaces of arbitrary neighborhood are connected by being arranged on the connected entrance of the wave resistance baffle bottom；The fuel tanker device utilizes the pressure difference in adjacent space that the fuel oil of the high-pressure space is introduced into the low pressure oil supply space.The fuel tanker device that the utility model is provided attracts fuel oil to be flowed to low-pressure area using the pressure difference of fuel tank internal different spaces, and makes fuel oil under gravity to lower side automatic flowing using fuel tanker device inner chamfer.
Description
Technical field
The utility model principally falls into tank design technical field, is related to a kind of low dead oil Anti-bubble fuel tanker of suction type
A kind of device, and in particular to the device that the external fluid of negative pressure suction cavity is flowed into utilization cavity.
Background technology
Fuel tanker is inevitably present dead oil, and the presence of dead oil adds system weight.Therefore in aircraft fuel oil system
In system design, should try one's best reduction fuel tank dead oil capacity, so as to increase effective fuel weight, increase aircraft range.Simultaneously in order to winged
Machine engine operation safety, it is desirable to do not contain bubble in the fuel oil for being transported to engine.In the design of present generation aircraft fuel system,
Can to reduce dead oil capacity frequently with means such as injection pump installations prevent bubble from producing, it would however also be possible to employ flexible oil tank reaches drop
The purpose of low dead oil and Anti-bubble.
Jet pump technical scheme in above-mentioned technical proposal is due to complexity height, and technical difficulty is big, and impost is usual greatly
For in the aircrafts such as large commercial aircraft.Flexible oil tank technology in above-mentioned technical proposal is then usually used in light aerocraft and unmanned plane
In.But flexible oil tank, due to some shortcomings such as its structural strength, its security is poor.Flexible oil tank designability is poor simultaneously,
It is difficult to optimize design for aircraft specific requirement.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of low dead oil Anti-bubble fuel tanker device of suction type, it is described to fly
Machine oil case apparatus attracts fuel oil to be flowed to low-pressure area using the pressure difference of fuel tank internal different spaces, and utilizes fuel tanker device
Inner chamfer makes fuel oil under gravity to lower side automatic flowing.The fuel tanker device has simple in construction, appearance
Easily manufacture, do not increase extras, do not increase additional weight, the advantage that fuel tank security is good and designability is good.
The container that interconnected two hold liquid, if there is pressure differential between two containers, liquid will be high from pressure
Container flow to the low container of pressure.The utility model utilizes above-mentioned principle, if a fuel tank internal space is separated into involvement
Logical space, and pressure differential is maintained in these partition spaces, so that fluid can constantly flow.Meanwhile, this practicality is new
Type also sets up the fuel tanker bottom of device for an inclined-plane, and fluid can be made automatic by the high one end in inclined-plane under gravity
Flow to the low one end in inclined-plane.
The utility model is achieved through the following technical solutions：
A kind of low dead oil Anti-bubble fuel tanker device of suction type, the fuel tanker device includes tank envelope, set
Oil suction flexible pipe inside the tank envelope, the oil filler and oil-out being arranged on the tank envelope, the aircraft oil
Case apparatus also includes wave resistance baffle plate；The quantity of the wave resistance baffle plate is at least one；The wave resistance baffle plate is by the fuel tanker
The inner space of device is separated at least two spaces, and the two spaces of arbitrary neighborhood are by being arranged on the wave resistance baffle bottom
Connected entrance connected.
Further, when setting a wave resistance baffle plate, the interconnected space includes a high-pressure space and a low pressure
Fuel feeding space；
When setting two or more wave resistance baffle plates, the interconnected space includes a high-pressure space, at least one
Individual pressure transition space and a low pressure oil supply space；
The oil-inlet end of the oil suction flexible pipe is placed in the low pressure oil supply space, the oil outlet end of the oil suction flexible pipe and institute
The oil-out connection of fuel tanker device is stated, the oil-out is arranged on the housing of the high-pressure space；The aircraft
Tank mounting provides fuel oil by the oil-out for engine.
Further, it is provided in the bottom of the fuel tanker device reducing the inclined-plane of dead oil weight, along described
Low pressure oil supply space to the direction of the high-pressure space, the distance of the bottom of fuel tanker device described in the chamfer distance is gradually
Increase, the slope on the inclined-plane can be configured according to the angle of pitch of aircraft.
Further, the two spaces of arbitrary neighborhood are connected by being arranged on the communicating pipe of the tank envelope, and institute
State and a valve is respectively provided with communicating pipe；The valve is used for the connected state for controlling the communicating pipe, when the past fuel tanker
In device during fuel up, it is open mode to control the valve, after the completion of fuel filling, controls the valve to close shape
State.
Further, the wave resistance baffle plate include first side, second side, be oppositely arranged with the first side the
Three sides and the four side being oppositely arranged with the second side.
Further, the first side and the top shell of the tank envelope are tightly connected；The second side and
The four side distinguishes the housing seal connection of the opposite sides of the fuel tank shell；One is set to connect on the four side
Mouthful, except the corresponding part of the connected entrance in the four side, remainder is described oblique with the fuel tank shell bottom
Face is tightly connected.
Further, circular hole is set on the wave resistance baffle plate, for making the oil suction flexible pipe empty from the low pressure oil supply
Between extend to the high-pressure space.
Advantageous effects of the present utility model：
The low dead oil Anti-bubble fuel tank of suction type provided by the utility model utilizes the inclined-plane and fuel tank internal of tank bottoms
The pressure difference of adjacent space reaches the purpose of low dead oil and Anti-bubble.
Fuel tanker apparatus structure described in the utility model is simple, cheap, can reduce simultaneously fuel tank dead oil weight and
Prevent foaming from producing, light aerocraft and unmanned plane can be applied to.
Fuel tanker device described in the utility model, which has, easily to be manufactured, not to increase extras, do not increase extra
Weight, the advantage that fuel tank security is good and designability is good.
Brief description of the drawings
Fig. 1 is the positive structure schematic of fuel tanker device described in embodiment 1；
Fig. 2 is the side structure schematic diagram of fuel tanker device described in embodiment 1；
Fig. 3 is the overlooking the structure diagram of fuel tanker device described in embodiment 1；
Fig. 4 is the schematic diagram of wave resistance baffle plate 4.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining
The utility model, is not used to limit the utility model.
On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model
Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model
It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art
The description of these detail sections can also understand the utility model completely.
Embodiment 1
A kind of low dead oil Anti-bubble fuel tanker device of suction type, as Figure 1-4, the fuel tanker device（Referred to as
Fuel tank）Including tank envelope, the oil suction flexible pipe 3 being arranged inside the tank envelope, it is arranged on adding on the tank envelope
Hydraulic fluid port 9 and oil-out 2, the fuel tanker device also include wave resistance baffle plate 4；
In the present embodiment, the quantity of the wave resistance baffle plate 4 is one；The wave resistance baffle plate is by the fuel tanker device
Inner space be separated into two interconnected spaces, the interconnected space includes a high-pressure space（The high pressure is empty
Between be space in Fig. 2 on the right side of AA ', represented with alphabetical H）With a low pressure oil supply space（The low pressure oil supply space is Fig. 2
Space on the left of middle AA ', is represented with alphabetical L）；The high-pressure space H and a low pressure oil supply space L are by being arranged on the wave resistance
The connected entrance 8 of the bottom of baffle plate 4 is connected；The fuel tanker device is using the pressure difference of adjacent two spaces by the height
The fuel oil in space is pressed to introduce the low pressure oil supply space, to avoid the fuel oil of supply engine from producing bubble.
The oil-inlet end of the oil suction flexible pipe 3 is placed in the low pressure oil supply space L, the oil outlet end of the oil suction flexible pipe 3
It is connected with the oil-out 2, the oil-out 2 is arranged on the housing of the high-pressure space H；The fuel tanker device passes through
The oil-out 2 provides fuel oil for engine.
Inclined-plane 1 is set in the bottom of the fuel tanker device to reduce dead oil weight, along the low pressure oil supply space L
To the direction of the high-pressure space H, distance of the inclined-plane 1 apart from the bottom of the fuel tanker device gradually increases, described
The slope on inclined-plane 1 can be configured according to the angle of pitch of aircraft, make aircraft when bowing branch, and inclined-plane 1 is constituted with horizontal plane
Angle be more than 0 degree.
The side wall upper part of the low pressure oil supply space L to the corresponding fuel tank shells of the high-pressure space H sets first respectively
The circular hole 6 of circular hole 5 and second, the first circular hole 5 is connected with the second circular hole 6 by a communicating pipe for being arranged on the tank envelope, and
And a valve is set on the communicating pipe；The valve is used for the connected state for controlling the communicating pipe, when the past aircraft oil
In case apparatus during fuel up, it is open mode to control the valve, after the completion of fuel filling, and it is closing to control the valve
State.
The wave resistance baffle plate include first side, second side, the 3rd side being oppositely arranged with the first side and
The four side being oppositely arranged with the second side.
The first side and the top shell of the tank envelope are tightly connected；The second side and the 4th side
Distinguish the housing seal connection of the opposite sides of the fuel tank shell in side；One connected entrance 8 is set on the four side, except institute
State the corresponding part four side of connected entrance 8 and the inclined-plane of the fuel tank shell bottom is tightly connected.
Circular hole is set on the wave resistance baffle plate, for make the oil suction flexible pipe from the spatially extended L of the low pressure oil supply to
The high-pressure space H.
Coordinate system is labeled with Fig. 1-4, wherein reference axis x positive direction is consistent with heading.
Fig. 1 is the front schematic view of fuel tank, as shown in figure 1, wherein dotted line 1 is the inclined-plane 1 for being arranged at the tank bottoms
With the positive intersection of fuel tank, oil-out 2 is arranged on fuel tank front, and the oil suction flexible pipe 3 positioned at fuel tank internal is connected with oil-out 2.
Fig. 2 is the schematic side view of fuel tank, as shown in Fig. 2 wherein inclined dotted line 1 is positioned at the inclined-plane of fuel tank internal,
Dotted line 4 represents wave resistance baffle plate, and fuel tank space is divided into the space on the left of AA ' with right side by the wave resistance baffle plate, and suppresses
Fuel tank internal fuel oil is rocked.First circular hole 5 is connected two parts that washboard is split by communicating pipe with the second circular hole 6, and 5 and 6
Between install valve additional, connected state can be controlled, when fuel up, valve open the first circular hole 5 and the second circular hole 6 are connected
It is logical, valve is closed after the completion of fuel filling.
Fig. 3 is the top schematic diagram of fuel tank, as shown in figure 3, to the oil filler 9 of fuel tank fuel up, while also serving as oil
Case blow vent is used, and wherein dotted line 4 represents the wave resistance baffle plate in segmentation fuel tank space；Fuel tank cap is set on the oil filler 9, the oil
Case lid uses fuel tank cap used in common fuel tank.
Fig. 4 is the schematic diagram of wave resistance baffle plate 4, wherein the filled circles shown in 7 are the circular hole that oil suction flexible pipe 3 passes through, it is desirable to inhale
Sealing is good between oily flexible pipe 3 and wave resistance baffle plate 4.The bottom of wave resistance baffle plate 4 sets the connected entrance 8 that fuel feeding flows, and solid line 1 is represented
The intersection of wave resistance baffle plate 4 and fuel tank internal inclined-plane.The utility model requirement in addition to connected entrance 8, wave resistance baffle plate 4 and inclined-plane 1 it
Between favorable sealing property.
Into fuel tanker device described in the present embodiment during fuel up, the valve is opened, fuel oil is added by described
Hydraulic fluid port injects the inside of the high-pressure space, and the fuel oil of injection is supplied by the connected entrance on the unrestrained baffle plate into the low pressure
Air in oily space, low pressure oil supply space is discharged in the high-pressure space by the valve, and then is arranged by oil filler
Go out to outside fuel tank, after fuel oil is filled it up with all spaces, close all valves, now the low pressure oil supply space is filled out by fuel oil
It is full, without bubble, due to there is no bubble in the L of low pressure oil supply space, so the fuel oil of supply engine can prevent bubble；Refuel
After finishing, only connected between two spaces by the connected entrance on wave resistance baffle plate.
After the completion of fuel filling, low pressure oil supply space L will be filled up by fuel oil within the most of the time, be provided to engine
Fuel oil not bubbles, and the fuel oil being pumped in the H of space is filled up by air, to balance pressure.Simultaneously as low pressure oil supply space
Filled up within the most of the time by fuel oil, aircraft can carry out the larger angle of pitch and roll angle flight, therefore equally reduce
Dead oil weight, improves fuel utilization ratio.
When aircraft flight, transmitter asks for fuel to the fuel tanker device, and low pressure oil supply space is drawn first
Fuel oil, now the pressure in low pressure oil supply space is by reduction, and the fuel oil of high-pressure space is automatically by the connected entrance quilt on wave resistance baffle plate
Inspiration low pressure oil supply space is to balance the pressure between low pressure oil supply space and high-pressure space.
Due to the presence on fuel tank internal inclined-plane, due to Action of Gravity Field, fuel oil has from becoming that trend low pressure oil supply space L is enriched with
Gesture, it is ensured that high-pressure space R fuel oil can be consumed completely, so as to reduce dead oil weight.
Embodiment 2
The effect of wave resistance baffle plate is to prevent from acutely rocking in motion process intermediate fuel oil, and the distance between usual wave resistance baffle plate is
Preferably 15-25 cm.Therefore according to actual needs, if fuel tank is larger, multiple wave resistance baffle plates can be set, by fuel tank
Portion space is divided into some separate spaces.For example, in the present embodiment, fuel tank is 60cm, wave resistance in the length of X-direction
Baffle plate is preferably arranged to two, and fuel tank is uniformly divided into three parts in X-direction.
It is described above, preferred embodiment only of the present utility model, however, feature of the present utility model is not limited to
In this, change or modification that any those skilled in the art can readily occur in the utility model field should all be covered
In following claims of the present utility model.
Claims (7)
1. a kind of low dead oil Anti-bubble fuel tanker device of suction type, the fuel tanker device includes tank envelope, is arranged at
Oil suction flexible pipe inside the tank envelope, the oil filler and oil-out being arranged on the tank envelope, it is characterised in that institute
Stating fuel tanker device also includes wave resistance baffle plate；The quantity of the wave resistance baffle plate is at least one；The wave resistance baffle plate will be described
The inner space of fuel tanker device is separated at least two spaces, and the two spaces of arbitrary neighborhood are by being arranged on the wave resistance
The connected entrance of baffle bottom is connected.
2. the low dead oil Anti-bubble fuel tanker device of a kind of suction type according to claim 1, it is characterised in that when setting one
During individual wave resistance baffle plate, the interconnected space includes a high-pressure space and a low pressure oil supply space；
When setting two or more wave resistance baffle plates, the interconnected space includes a high-pressure space, at least one pressure
Power spatial transition and a low pressure oil supply space；
The oil-inlet end of the oil suction flexible pipe is placed in the low pressure oil supply space, and the oil outlet end of the oil suction flexible pipe flies with described
The oil-out connection of machine oil case apparatus, the oil-out is arranged on the housing of the high-pressure space；The fuel tanker
Device provides fuel oil by the oil-out for engine.
3. the low dead oil Anti-bubble fuel tanker device of a kind of suction type according to claim 2, it is characterised in that fly described
The bottom of machine oil case apparatus is provided for reducing the inclined-plane of dead oil weight, along the low pressure oil supply space to the high-pressure space
Direction, the distance of the bottom of fuel tanker device gradually increases described in the chamfer distance.
4. a kind of low dead oil Anti-bubble fuel tanker device of suction type according to claim 1, it is characterised in that arbitrary neighborhood
Two spaces connected by being arranged on the communicating pipe of the tank envelope, and a valve is respectively provided with the communicating pipe.
5. a kind of low dead oil Anti-bubble fuel tanker device of suction type according to claim 3, it is characterised in that the wave resistance
Baffle plate include first side, second side, the 3rd side being oppositely arranged with the first side and with the second side phase
To the four side of setting.
6. the low dead oil Anti-bubble fuel tanker device of a kind of suction type according to claim 5, it is characterised in that described first
Side and the top shell of the tank envelope are tightly connected；The second side and the four side distinguish the fuel tank shell
The housing seal connection of the opposite sides of body；Set on the four side in a connected entrance, the four side except described
The corresponding part of connected entrance, remainder and the inclined-plane of the fuel tank shell bottom are tightly connected.
7. the low dead oil Anti-bubble fuel tanker device of a kind of suction type according to claim 2, it is characterised in that described anti-
Circular hole is set on unrestrained baffle plate, for making the oil suction flexible pipe from the low pressure oil supply high-pressure space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290380.6U CN206569276U (en) | 2017-03-23 | 2017-03-23 | A kind of low dead oil Anti-bubble fuel tanker device of suction type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720290380.6U CN206569276U (en) | 2017-03-23 | 2017-03-23 | A kind of low dead oil Anti-bubble fuel tanker device of suction type |
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| CN206569276U true CN206569276U (en) | 2017-10-20 |
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| CN201720290380.6U Active CN206569276U (en) | 2017-03-23 | 2017-03-23 | A kind of low dead oil Anti-bubble fuel tanker device of suction type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945842A (en) * | 2017-03-23 | 2017-07-14 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of low dead oil Anti-bubble fuel tanker device of suction type |
-
2017
- 2017-03-23 CN CN201720290380.6U patent/CN206569276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945842A (en) * | 2017-03-23 | 2017-07-14 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of low dead oil Anti-bubble fuel tanker device of suction type |
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