CN109404135A - A kind of oil-return type oil transportation control system - Google Patents
A kind of oil-return type oil transportation control system Download PDFInfo
- Publication number
- CN109404135A CN109404135A CN201811497078.3A CN201811497078A CN109404135A CN 109404135 A CN109404135 A CN 109404135A CN 201811497078 A CN201811497078 A CN 201811497078A CN 109404135 A CN109404135 A CN 109404135A
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel tank
- main fuel
- oil transportation
- pump
- 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.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims abstract description 102
- 239000002828 fuel tank Substances 0.000 claims abstract description 86
- 239000000446 fuel Substances 0.000 claims abstract description 37
- 239000000295 fuel oil Substances 0.000 claims abstract description 29
- 230000011664 signaling Effects 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 5
- 235000015927 pasta Nutrition 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/236—Fuel delivery systems comprising two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of oil-return type oil transportation control systems, including main fuel tank, oil transportation case, fuel pump, jet pump and oil signalling means to the greatest extent, it is connected between the main fuel tank and oil transportation case by oil return pipe, jet pump and oil signalling means to the greatest extent are equipped in the oil transportation case, fuel pump is equipped in the main fuel tank, the fuel pump is connect by the first pipeline road with jet pump, and the jet pump is connected to by the second pipeline road with main fuel tank.The present invention realizes under the limited limitation with cost of space layout and meets the oil transportation sequence automatic control that center of gravity of airplane variation requires, and simplifies fuel transfer system, reduces the cost and failure rate of system, improves system reliability.
Description
Technical field
The present invention relates to aviation machine control technology field, specifically a kind of oil-return type oil transportation control system.
Background technique
When airplane design the automatic control of oil transportation sequence need to be realized during meeting oil transportation under gravity center shift demand,
Under ground and various flying conditions and posture, in certain sequence, it is referred to as defeated that the fuel oil of oil transportation case is transferred into the system to oil feeding reservoirs
Oil system, while can guarantee that oil transportation meets the requirement of center of gravity of airplane variation in the process.Traditional fuel transfer system generally have oil transportation case,
Oil transfer pump, jet pump, fuel level annunciator, fuel transfer control valve and oil transportation conduit composition.Traditional aircraft fuel oil oil transportation sequential control
System realizes that the method needs that fuel level annunciator is respectively set for fuel tank by fuel level annunciator and fuel transfer control valve associated working
With the attachmentes such as fuel transfer control valve.But this design will increase fuel transfer system pipeline and finished product for aircraft, increase system weight,
Cost and failure rate reduce the reliability of system.In addition, usually since the total arrangement of aircraft is compact, structure is complicated, without foot
Enough spaces are respectively arranged a set of independent oil transportation to be worked together with fuel level annunciator and fuel transfer control valve to each oil transportation case
Control system.
Summary of the invention
To solve the above problems, the present invention provides a kind of oil-return type oil transportation control system, space layout is limited and cost
It under limitation, realizes and meets the oil transportation sequence that center of gravity of airplane variation requires and automatically control, and simplify fuel transfer system, reduce and be
The cost and failure rate of system, improve system reliability.
The technical solution adopted by the present invention is that: a kind of oil-return type oil transportation control system, including main fuel tank, oil transportation case, fuel oil
Pump, jet pump and oil signalling means to the greatest extent, are connected to by oil return pipe between the main fuel tank and oil transportation case, are equipped with and draw in the oil transportation case
Pump and oil signalling means to the greatest extent are penetrated, is equipped with fuel pump in the main fuel tank, the fuel pump is connected by the first pipeline road and jet pump
It connects, the jet pump is connected to by the second pipeline road with main fuel tank.
The main fuel tank is divided into the preceding main fuel tank and rear main fuel tank being connected to by oil return hole, the preceding main fuel tank and oil transportation case
Between be connected to by oil return pipe, one end of the oil return pipe extend to before in main fuel tank, the position of the oil return hole is higher than oil return
The ozzle of pipe, the fuel pump are arranged in rear main fuel tank, and the rear main fuel tank is connect by the second pipeline road with jet pump.
The first check valve is additionally provided between the preceding main fuel tank and rear main fuel tank, after the bottom surface of the preceding main fuel tank is higher than
The bottom surface of main fuel tank.First check valve is located at the lower section of oil return hole close to the bottom position of preceding main fuel tank, leads after guarantee
When the pasta of fuel tank is lower than the first check valve, make in main fuel tank for engine after the fuel oil in preceding main fuel tank can be flowed into all
With.
The inlet that second pipeline road enters rear main fuel tank is equipped with the second check valve, prevents in jet pump not work
When making, fuel oil is flowed backward in oil transportation case in rear main fuel tank.
The fuel pump connects engine by third pipeline road, conveys fuel oil for engine.
The beneficial effects of the present invention are: the present invention makes the combustion of oil transportation case by using a kind of oil-return type oil transportation control system
Oil while being delivered to main fuel tank, by the oil return pipe between oil return hole and main fuel tank in main fuel tank and oil transportation case come
It realizes oil transportation sequential control, in the case where space layout is limited and cost limits, realizes and meet the oil transportation that center of gravity of airplane variation requires
Sequence automatically controls, and simplifies fuel transfer system, reduces the cost and failure rate of system, improves system reliability.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
In figure, 1, oil return pipe, 2, preceding main fuel tank, 3, oil return hole, the 4, first check valve, 5, fuel pump, 6, rear main fuel tank, 7,
Two check valves, 8, jet pump, 9, oil signalling means to the greatest extent, 10, oil transportation case, the 11, first pipeline road, the 12, second pipeline road,
13, third pipeline road.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
Embodiment 1
A kind of oil-return type oil transportation control system, including main fuel tank, oil transportation case 10, fuel pump 5, jet pump 8 and oil signalling means 9 to the greatest extent,
Main fuel tank is divided into the preceding main fuel tank 2 and rear main fuel tank 6 being connected to by oil return hole 3, passes through back between preceding main fuel tank 2 and oil transportation case 10
Oil pipe 1 is connected to, and before one end of oil return pipe 1 extends in main fuel tank 2, the position of oil return hole 3 is higher than the ozzle of oil return pipe 1, oil transportation
It is equipped with jet pump 8 and oil signalling means 9 to the greatest extent in case 10, is equipped with fuel pump 5 in rear main fuel tank 6, fuel pump 5 passes through the first pipeline road
11 connect with jet pump 8, and jet pump 8 is connected to by the second pipeline road 12 with rear main fuel tank 6.
The bottom surface of preceding main fuel tank 2 is higher than the bottom surface of rear main fuel tank 6, is additionally provided with first between preceding main fuel tank 2 and rear main fuel tank 6
Check valve 4, the first check valve 4 are located at the lower section of oil return hole 3, and close to the bottom position of preceding main fuel tank 2, design in this way is flying
When machine makees Motorized dive flight, main fuel tank 6 after the fuel oil of main fuel tank 2 flows into before making, while preventing rear 6 fuel oil of main fuel tank from flowing backward to
Preceding main fuel tank 2, that is, when the pasta of main fuel tank is lower than the first check valve after guaranteeing, the fuel oil in preceding main fuel tank can be flowed into all
It is used in main fuel tank for engine afterwards.
The inlet that second pipeline road 12 enters rear main fuel tank 6 is equipped with the second check valve 7, prevents in jet pump not work
When making, fuel oil is flowed backward in oil transportation case 10 in rear main fuel tank 6.
Fuel pump 5 connects engine by third pipeline road 13, conveys fuel oil for engine.
Working principle is as follows:
Main fuel tank is divided into preceding main fuel tank 2 and rear main fuel tank 6, connects fuel pump 5 and starts oil transportation.
(1) when current 2 pasta of main fuel tank is higher than the ozzle of oil return pipe 1, the pressurized fuel oil of fuel pump 5 enters oil transportation case 10
Interior jet pump 8 generates high pressure injection stream at nozzle, makes to form low-pressure area in nozzle chambers, the fuel oil in oil transportation case 10 is by inhaling
Hydraulic fluid port inlet nozzle chamber, under the driving of high pressure injection stream, through nozzle ejection after main fuel tank 6, fuel oil pass through after main fuel tank 6 with
Oil return hole 3 between preceding main fuel tank 2 flows into preceding main fuel tank 2, then flows back to oil transportation case 10 through oil return pipe 1, at this point, engine consumption
Fuel oil is still the fuel oil in main fuel tank.
(2) when 2 pasta of current main fuel tank is concordant with 1 nozzle of oil return pipe, in the driving of the high pressure oil introduced from fuel pump 5
Under, fuel oil is by injection to rear main fuel tank 6 in oil transportation case 10.At this point, the fuel oil of engine consumption is the fuel oil in oil transportation case 10,
Until exhausting, oil signalling means 9 to the greatest extent issues oil signal to the greatest extent, enters rear main fuel tank 6 in the second pipeline road of oil transportation case 10 and enters
It is also provided with the second check valve 7 at mouthful, is prevented when jet pump 8 does not work, fuel oil flows backward to oil transportation case 10 in rear main fuel tank 6
It is interior.
(3) when the fuel oil in oil transportation case 10 is used up, the fuel oil in main fuel tank is lower than oil return pipe 1, and engine will consume main oil
Fuel Remained in case, until main fuel tank oil is most, to realize the automatic control of aircraft oil transportation sequence.
Oil-return type oil transportation control system of the invention, combustion during aircraft oil transportation, first in transport portion main fuel tank
Oil realizes the fuel oil conveyed in wing tank secondly by jet pump and oil return pipe, conveys Fuel Remained in main fuel tank again,
To realize that the oil transportation sequence of oil tank fuel in machine automatically controls.And fuel transfer system is simplified, reduce the cost and event of system
Barrier rate, improves system reliability.
Claims (6)
1. a kind of oil-return type oil transportation control system, which is characterized in that most including main fuel tank, oil transportation case, fuel pump, jet pump and oil
Signalling means is connected between the main fuel tank and oil transportation case by oil return pipe, and jet pump and oil signal to the greatest extent are equipped in the oil transportation case
Device, the main fuel tank is interior to be equipped with fuel pump, and the fuel pump is connect by the first pipeline road with jet pump, and the jet pump is logical
The second pipeline road is crossed to be connected to main fuel tank.
2. a kind of oil-return type oil transportation control system according to claim 1, which is characterized in that the main fuel tank, which is divided into, to be passed through
The preceding main fuel tank and rear main fuel tank of oil return hole connection, are connected between the preceding main fuel tank and oil transportation case by oil return pipe, described time
Before one end of oil pipe extends in main fuel tank, the position of the oil return hole is higher than the ozzle of oil return pipe, and the fuel pump setting exists
Afterwards in main fuel tank, the rear main fuel tank is connect by the second pipeline road with jet pump.
3. a kind of oil-return type oil transportation control system according to claim 2, which is characterized in that the preceding main fuel tank and rear master
The first check valve is additionally provided between fuel tank, first check valve is located at the lower section of oil return hole.
4. a kind of oil-return type oil transportation control system according to claim 2, which is characterized in that second pipeline road into
The inlet for entering rear main fuel tank is equipped with the second check valve.
5. a kind of oil-return type oil transportation control system according to claim 2, which is characterized in that the bottom surface of the preceding main fuel tank
Higher than the bottom surface of rear main fuel tank.
6. a kind of oil-return type oil transportation control system according to claim 1, which is characterized in that the fuel pump passes through third
Pipeline road connects engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811497078.3A CN109404135B (en) | 2018-12-07 | 2018-12-07 | Oil return type oil transportation control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811497078.3A CN109404135B (en) | 2018-12-07 | 2018-12-07 | Oil return type oil transportation control system |
Publications (2)
Publication Number | Publication Date |
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CN109404135A true CN109404135A (en) | 2019-03-01 |
CN109404135B CN109404135B (en) | 2023-12-26 |
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CN201811497078.3A Active CN109404135B (en) | 2018-12-07 | 2018-12-07 | Oil return type oil transportation control system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115123560A (en) * | 2021-03-25 | 2022-09-30 | 海鹰航空通用装备有限责任公司 | Anti-negative-overload oil tank of aircraft |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115123560A (en) * | 2021-03-25 | 2022-09-30 | 海鹰航空通用装备有限责任公司 | Anti-negative-overload oil tank of aircraft |
CN115123560B (en) * | 2021-03-25 | 2024-06-11 | 海鹰航空通用装备有限责任公司 | Anti-negative overload oil tank of aircraft |
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