IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0362436
(2001-08-22)
|
우선권정보 |
AU-0009573 (2000-08-22) |
국제출원번호 |
PCT/AU01/01042
(2003-02-20)
|
§371/§102 date |
20030220
(20030220)
|
국제공개번호 |
WO02/16198
(2002-02-28)
|
발명자
/ 주소 |
- Smith, Alan John
- Rudduck, Grenfell Saxon
|
출원인 / 주소 |
- Tigerfish Aviation Pty Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
2 |
초록
▼
A twin float aircraft (1) which has a retractable float (4 and 5) for each side of a fuselage (3) providing buoyancy for the aircraft during take off and landing and reduced air resistance during flight with each of the floats (4 and 5) being articulated (12 and 13) to assist streamline alignment wh
A twin float aircraft (1) which has a retractable float (4 and 5) for each side of a fuselage (3) providing buoyancy for the aircraft during take off and landing and reduced air resistance during flight with each of the floats (4 and 5) being articulated (12 and 13) to assist streamline alignment when retracted.
대표청구항
▼
1. A twin float aircraft comprising:a main fuselage; and floats arranged to at least substantially support the aircraft in a floating on water status, wherein the fuselage is positioned at least substantially above the water, wherein the floats provide sufficient buoyancy and stability for the aircr
1. A twin float aircraft comprising:a main fuselage; and floats arranged to at least substantially support the aircraft in a floating on water status, wherein the fuselage is positioned at least substantially above the water, wherein the floats provide sufficient buoyancy and stability for the aircraft during take off and landing, wherein a first of the floats is located to one side of the main fuselage of the aircraft, wherein a second of the floats is located to a second side of the main fuselage which is opposite to the said first side of the main fuselage of the aircraft, wherein the floats are each secured to the aircraft so that they can each assume at least two positions, a first of which is an extended position and a second of which is a retracted position, the floats being each arranged when in the retracted position to be located with respect to the main fuselage so that a substantial portion of the surface area of each respective float that acts to support the aircraft in the water in the floating on water status is shielded from contributing substantially to air flow resistance of the aircraft when in flight, and wherein at least one of the floats is comprised of at least two portions one of which is at or is a forward end of the float and one of which is at or is a rearward end of the float, the two portions being connected so that they are moveable one with respect to the other and are articulated thereby. 2. A twin float aicraft as in claim 1 further comprising a fairing forming a portion of the main fuselage which is at a forward part of the fuselage and such that, in the retracted position, each of the floats is positioned relative to the fairing so that there is an alignment providing a substantially streamline shape across the fairing and from the fairing to each respective float.3. A twin float aircraft as in claim 1 further comprising a fairing forming a portion of the main fuselage which is at a forward part of the fuselage and such that, in the retractcd position, each of the floats is positioned relative to the fairing so that there is an alignment providing a substantially streamline shape across the fairing and from the fairing to each respective float each of which is located behind the fairing.4. A twin float aircraft as in claim 1 wherein each of the floats is arranged and supported so as to be adapted to be able to be moved to a third position which is a position that is beyond the extended position.5. A twin float as in claim 1 wherein each of the floats is arranged and supported so as to be adapted to be able to be moved to a third position which is a position that is beyond the extended position and a wheel is supported and located with each respective float so as to act as an undercarriage wheel for the aircraft when the respective float is so further positioned.6. A twin float aircraft as in claim 1 wherein the aircraft is a fixed wing aircraft.7. A twin float aircraft as in claim 1 wherein the aircraft is a model aircraft.8. A twin float aircraft as in claim 1 wherein each of the floats in a retracted position is located so as to be positioned in an adjacent relationship with a fuselage of the aircraft.9. A twin float aircraft as in claim 1 wherein each float when in a retracted position is positioned so that the surfaces of the respective float which were lowermost in the extended position are positioned to not be outer surfaces when in the retracted position.10. A twin float aircraft as in claim 1 wherein there is a stub wing which can carry with it frame members to provide for support of a float both in a retracted and in an extended position.11. A twin float aircraft comprising:a main fuselage; and floats arranged to at least substantially support the aircraft in a floating on water status, wherein the fuselage is positioned at least substantially above the water, wherein the floats provide sufficient buoyancy and stability for the aircraft during take off and landing, wherein a first of the floats is located to one side of the main fuselage of the aircraft, wherein a second of the floats is located to a second side of the main fuselage which is opposite to the said first side of the main fuselage of the aircraft, wherein the floats are each secured to the aircraft so that they can each assume at least two positions, a first of which is an extended position and a second of which is a retracted position, the floats being each arranged when in the retracted position to be located with respect to the main fuselage so that a substantial portion of the surface area of each respective float that acts to support the aircraft in the water in the floating on water status is shielded from contributing substantially to air flow resistance of the aircraft when in flight, and wherein each of the floats is comprised of at least two portions one of which is at or is a forward end of the float and one of which is at or is a rearward end of the float, the two portions being connected so that they are moveable one with respect to the other and are articulated thereby, and such that when the floats are in an extended position they assume a first articulated position, with a forward portion being substantially linearly aligned with the rearward portion and when in a retracted position they are in a further articulated position in which the rearward portion is inclined with respect to the forward portion with a most rearward portion of the rearward portion being highest so as to substantially conform an alignment of an upper part of the float with an underneath upwardly inclined alignment of a rearward part of the main fuselage. 12. A twin float aircraft comprising:a main fuselage; and floats arranged to at least substantially support the aircraft in a floating on water status, wherein the fuselage is positioned at least substantially above the water, wherein the floats provide sufficient buoyancy and stability for the aircraft during take off and landing, wherein a first of the floats is located to one side of the main fuselage of the aircraft, wherein a second of the floats is located to a second side of the main fuselage which is opposite to the said first side of the main fuselage of the aircraft, and wherein the floats are each secured to the aircraft so that they can each assume at least two positions, a first of which is an extended position and a second of which is a retracted position, the floats being each arranged when in the retracted position to be located with respect to the main fuselage so that a substantial portion of the surface area of each respective float that acts to support the aircraft in the water in the floating on water status is shielded from contributing substantially to air flow resistance of the aircraft when in flight, and wherein each of the floats has a portion which is articulated with respect to a further part of the float so that in a retracted position the float is articulated to assume a more streamline alignment with the fuselage. 13. A twin float aircraft with its floats each being secured to the aircraft so that they can each assume at least two positions, a first of which is an extended position and a second of which is a retracted position, and being arranged when in an extended position, to at least substantially support the aircraft in a floating on water status providing sufficient buoyancy and stability for the aircraft during take off and landing,the aircraft having a first of the floats located to one side of a main fuselage of the aircraft, and a second of the floats located to a second side of the main fuselage which second side is opposite to the said first side of the main fuselage of the aircraft, the floats being each arranged when in the retracted position to be located with respect to the main fuselage so that a substantial portion of the surface area of each respective float is shielded from contributing substantially to air flow resistance of the aircraft when in flight, each of the floats having a portion which is articulated with respect to a further part of the float, and being arranged such that when the float is supported to be in an extended position, the float has a first articulated position, and when the float is supported to be in a retracted position, the float has a second articulated position which is different from the said first articulated position, wherein at least one of the floats is comprised of at least two portions one of which is at or is a forward end of the float and one of which is at or is a rearward end of the float, the two portions being connected so that they are moveable one with respect to the other and are articulated thereby. 14. A twin float aircraft as in claim 13 further comprising a fairing forming a portion of the main fuselage which is at a forward part of the fuselage and such that, in the retracted position, each of the floats is positioned relative to the fairing so that there is an alignment providing a substantially streamline shape across the fairing and from the fairing to each respective float.15. A twin float aircraft as in claim 13 further comprising a fairing forming a portion of the main fuselage which is at a forward part of the fuselage and such that, in the retracted position, each of the floats is positioned relative to the fairing so that there is an alignment providing a substantially streamline shape across the fairing and from the fairing to each respective float each of which is located behind the fairing.16. A twin float aircraft as in claim 13 wherein each of the floats is arranged and supported so as to be adapted to be able to be moved to a third position which is a position that is beyond the extended position.17. A twin float as in claim 13 wherein each of the floats is arranged and supported so as to be adapted to be able to be moved to a third position which is a position that is beyond the extended position and a wheel is supported and located with each respective float so as to act as an undercarriage wheel for the aircrat when the respective float is so further positioned.18. A twin float aircraft as in claim 13 wherein each of the floats has a portion which is articulated with respect to a further part of the float so that in a retracted position the float is articulated to assume a more streamline alignment with the fuselage.19. A twin float aircraft as in claim 13 wherein the aircraft is a fixed wing aircraft.20. A twin float aircraft as in claim 13 wherein the aircraft is a model aircraft.21. A twin float aircraft as in claim 13 wherein each of the floats in a retracted position is located so as to be positioned in an adjacent relationship with a fuselage of the aircraft.22. A twin float aircraft as in claim 13 wherein each float when in a retracted position is positioned so that the surfaces of the respective float which were lowermost in the extended position are positioned to not be outer surfaces when in the retracted position.23. A twin float aircraft as in claim 13 wherein there is a stub wing which can carry with it frame members provide for support of a float both in a retracted and in an extended position.24. A twin float aircraft with its floats each being secured to the aircraft so that they can each assume at least two positions, a first of which is an extended position and a second of which is a retracted position, and being arranged when in an extended position, to at least substantially support the aircraft in a floating on water status providing sufficient buoyancy and stability for the aircraft during takeoff and landing,the aircraft having a first of the floats located to one side of a main fuselage of the aircraft, and a second of the floats located to a second side of the main fuselage which second side is opposite to the said first side of the main fuselage of the aircraft, the floats being each arranged when in the retracted position to be located with respect to the main fuselage so that a substantial portion of the surface area of each respective float is shielded from contributing substantially to air flow resistance of the aircraft when in flight, each of the floats having a portion which is articulated with respect to a further part of float, and being arranged such that when the float is supported to be in an extended position, the float has a first articulated position, and when the float is supported to be in a retracted position, the float has a second articulated position which is different from the said first articulated position, wherein each of the floats is comprised of at least two portions one of which is at or is a forward end of the float and one of which is at or is a rearward end of the float, the two portions being connected so that they are moveable one with respect to the other and are articulated thereby, and such that when the floats are in an extended position they assume a first articulated position, with a forward portion being substantially linearly aligned with the rearward portion and when in a retracted position they are in a further articulated position in which the rearward portion is inclined with respect to the forward portion with a most rearward portion of the rearward portion being highest so as to substantially conform an alignment of an upper part of the float with an underneath upwardly inclined alignment of a rearward part of the main fuselage.
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