CN102795343A - Lightning-proof external auxiliary fuel tank of aircraft - Google Patents
Lightning-proof external auxiliary fuel tank of aircraft Download PDFInfo
- Publication number
- CN102795343A CN102795343A CN2012103099556A CN201210309955A CN102795343A CN 102795343 A CN102795343 A CN 102795343A CN 2012103099556 A CN2012103099556 A CN 2012103099556A CN 201210309955 A CN201210309955 A CN 201210309955A CN 102795343 A CN102795343 A CN 102795343A
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- CN
- China
- Prior art keywords
- tank housing
- service tank
- fuel tank
- airtight bulkhead
- auxiliary fuel
- 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.)
- Pending
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Abstract
The invention belongs to an aircraft fuel system design technology and relates to the improvement of an external auxiliary fuel tank of an aircraft. The lightning-proof external auxiliary fuel tank of the aircraft comprises an auxiliary fuel tank housing (1), wherein a front airtight bulkhead (2) is arranged in the inner cavity of the auxiliary fuel tank housing (1) in a position in the vicinity of the front end, while a rear airtight separator (3) is arranged in the inner cavity of the auxiliary fuel tank housing (1) in a position in the vicinity of the rear end. The airtight bulkheads are added to the two ends of the inner cavity of the auxiliary fuel tank housing, respectively, so that an isolated air chamber is formed at each of the two ends of the auxiliary fuel tank housing; and therefore, fuel leakage is effectively prevented after the two ends of the housing of the auxiliary fuel tank housing are punctured by thunder and lightning and flying safety is guaranteed.
Description
Technical field
The invention belongs to the aircraft fuel system designing technique, relate to improvement the plug-in service tank of aircraft.
Background technology
The plug-in service tank of traditional aircraft is full of fuel oil in the inner chamber of service tank housing.Its shortcoming is: be struck by lightning easily in the two ends of service tank housing, in case service tank housing two ends are punctured, it is on fire to cause fuel oil to be revealed, the serious threat flight safety.
Summary of the invention
The objective of the invention is: propose the plug-in service tank of a kind of anti-thunderbolt aircraft,, can guarantee that still fuel oil can not reveal, thereby guarantee flight safety even service tank housing two ends are breakdown.
Technical scheme of the present invention is: the plug-in service tank of a kind of anti-thunderbolt aircraft; Comprise service tank housing 1; It is characterized in that in service tank housing 1 inner chamber, near the position of front end a preceding airtight bulkhead 2 is arranged, the profile of preceding airtight bulkhead 2 is a sphere; The edge of preceding airtight bulkhead 2 and the inwall of service tank housing 1 are welded as integral body; The axis of preceding airtight bulkhead 2 and the axis conllinear of service tank housing 1, the ball top portion of preceding airtight bulkhead 2 are towards the front end of service tank housing 1, and the ball summit of preceding airtight bulkhead 2 is to the distance L=70mm～100mm of the forward terminal of service tank housing 1; Airtight bulkhead 3 after in service tank housing 1 inner chamber, near the position of rear end, having one; The profile of back airtight bulkhead 3 is a sphere; The inwall of the edge of back airtight bulkhead 3 and service tank housing 1 is welded as integral body; The axis conllinear of the axis of back airtight bulkhead 3 and service tank housing 1, the ball top portion of back airtight bulkhead 3 are towards the rear end of service tank housing 1, and the ball summit of back airtight bulkhead 3 is L to the distance of the aft terminal of service tank housing 1.
Advantage of the present invention is: respectively increased an airtight bulkhead at the two ends of service tank housing inner chamber; Make the two ends of service tank housing that an isolation air chamber respectively arranged; Thereby prevented the leakage that the back fuel oil is worn by thunderbolt in service tank housing two ends effectively, guaranteed flight safety.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Explain further details in the face of the present invention down.Referring to Fig. 1; The plug-in service tank of a kind of anti-thunderbolt aircraft comprises service tank housing 1, it is characterized in that; In service tank housing 1 inner chamber, a preceding airtight bulkhead 2 is arranged near the position of front end; The profile of preceding airtight bulkhead 2 is a sphere, and the inwall of the edge of preceding airtight bulkhead 2 and service tank housing 1 is welded as integral body, the axis conllinear of the axis of preceding airtight bulkhead 2 and service tank housing 1; The ball top portion of preceding airtight bulkhead 2 is towards the front end of service tank housing 1, and the ball summit of preceding airtight bulkhead 2 is to the distance L=70mm～100mm of the forward terminal of service tank housing 1; Airtight bulkhead 3 after in service tank housing 1 inner chamber, near the position of rear end, having one; The profile of back airtight bulkhead 3 is a sphere; The inwall of the edge of back airtight bulkhead 3 and service tank housing 1 is welded as integral body; The axis conllinear of the axis of back airtight bulkhead 3 and service tank housing 1, the ball top portion of back airtight bulkhead 3 are towards the rear end of service tank housing 1, and the ball summit of back airtight bulkhead 3 is L to the distance of the aft terminal of service tank housing 1.
Preceding airtight bulkhead 2 is identical with the material of service tank housing 1 with the material of back airtight bulkhead 3.
Principle of work of the present invention is: owing to respectively increased an airtight bulkhead at the two ends of service tank housing inner chamber; Make the two ends of service tank housing that an isolation air chamber that does not have fuel oil respectively arranged; Even the two ends of service tank housing are punctured by thunder and lightning, can not cause fuel oil to reveal yet.
One embodiment of the present of invention, the plug-in service tank of certain type, the ball summit of preceding airtight bulkhead 2 is to the distance L=80mm of the forward terminal of service tank housing 1, and the ball summit of back airtight bulkhead 3 also is L=80mm to the distance of the aft terminal of service tank housing 1.
Claims (2)
1. prevent the plug-in service tank of thunderbolt aircraft for one kind; Comprise service tank housing (1); It is characterized in that in service tank housing (1) inner chamber, near the position of front end a preceding airtight bulkhead (2) is arranged, the profile of preceding airtight bulkhead (2) is a sphere; The edge of preceding airtight bulkhead (2) and the inwall of service tank housing (1) are welded as integral body; The axis of preceding airtight bulkhead (2) and the axis conllinear of service tank housing (1), the ball top portion of preceding airtight bulkhead (2) are towards the front end of service tank housing (1), and the ball summit of preceding airtight bulkhead (2) is to the distance L=70mm～100mm of the forward terminal of service tank housing (1); Airtight bulkhead (3) after in service tank housing (1) inner chamber, near the position of rear end, having one; The profile of back airtight bulkhead (3) is a sphere; The inwall of the edge of back airtight bulkhead (3) and service tank housing (1) is welded as integral body; The axis conllinear of the axis of back airtight bulkhead (3) and service tank housing (1), the ball top portion of back airtight bulkhead (3) are towards the rear end of service tank housing (1), and the ball summit of back airtight bulkhead (3) is L to the distance of the aft terminal of service tank housing (1).
2. the plug-in service tank of anti-thunderbolt aircraft according to claim 1 is characterized in that, preceding airtight bulkhead (2) is identical with the material of service tank housing (1) with the material of back airtight bulkhead (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103099556A CN102795343A (en) | 2012-08-28 | 2012-08-28 | Lightning-proof external auxiliary fuel tank of aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103099556A CN102795343A (en) | 2012-08-28 | 2012-08-28 | Lightning-proof external auxiliary fuel tank of aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102795343A true CN102795343A (en) | 2012-11-28 |
Family
ID=47194699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103099556A Pending CN102795343A (en) | 2012-08-28 | 2012-08-28 | Lightning-proof external auxiliary fuel tank of aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102795343A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4172573A (en) * | 1977-12-22 | 1979-10-30 | Royal Industries, Inc. | Fuel tank |
| WO2008086587A2 (en) * | 2007-01-16 | 2008-07-24 | Embraer- Empresa Brasileira De Aeronáutica S.A. | Improvements for auxiliary fuel tank |
| CN101855136A (en) * | 2007-10-19 | 2010-10-06 | 空中客车英国有限公司 | Be used for the case of fluid containment in chamber |
-
2012
- 2012-08-28 CN CN2012103099556A patent/CN102795343A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4172573A (en) * | 1977-12-22 | 1979-10-30 | Royal Industries, Inc. | Fuel tank |
| WO2008086587A2 (en) * | 2007-01-16 | 2008-07-24 | Embraer- Empresa Brasileira De Aeronáutica S.A. | Improvements for auxiliary fuel tank |
| WO2008086587A3 (en) * | 2007-01-16 | 2010-02-04 | Embraer- Empresa Brasileira De Aeronáutica S.A. | Improvements for auxiliary fuel tank |
| CN101855136A (en) * | 2007-10-19 | 2010-10-06 | 空中客车英国有限公司 | Be used for the case of fluid containment in chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121128 |