IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0226805
(2005-09-14)
|
등록번호 |
US-7334464
(2008-02-26)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Rankin, Hill, Porter & Clark LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
The aircraft tank and gauge system of the present invention provides a fuel tank with a gauge chamber located generally aligned with the tank center of gravity and that has a general vertical orientation when the aircraft is level. The gauge chamber extends from the top of the tank to a height gener
The aircraft tank and gauge system of the present invention provides a fuel tank with a gauge chamber located generally aligned with the tank center of gravity and that has a general vertical orientation when the aircraft is level. The gauge chamber extends from the top of the tank to a height generally equivalent to a high collection point on the tank and/or extends from the bottom of the tank to a height generally equivalent to a low collection point on the tank. As the aircraft pitches and rolls, fuel within a complex-shaped tank, will be measured by a sensor in the gauge chamber. In order to prevent any type of vapor blockage in the gauge chamber, a first vent extends from the bottom of the gauge chamber to the low collection point of the tank and a second vent extends from the top of the gauge chamber to the high collection point of the tank.
대표청구항
▼
What is claimed is: 1. An aircraft fuel tank and gauge system comprising: a fuel tank having: a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel colle
What is claimed is: 1. An aircraft fuel tank and gauge system comprising: a fuel tank having: a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel collects when the aircraft is level, and a gauge chamber extending from the top of the tank to a height equal or above the high collection point of the tank; a gauge partially received within the gauge chamber and partially received within a main chamber of the tank; and a vent providing fluid communication between the top of the tank and a top of the gauge chamber. 2. The aircraft fuel tank and gauge system of claim 1, wherein a second gauge chamber extends from the tank bottom to a height generally equivalent with the low collection point and when the gauge is also partially received within the second gauge chamber. 3. The aircraft fuel tank and gauge system of claim 2, further including a second vent providing fluid communication between the tank bottom and the bottom of the second gauge chamber. 4. The aircraft fuel tank of claim 3, wherein the second vent provides fluid communication between the bottom of the tank at or near the low collection point and the bottom of the gauge chamber. 5. The aircraft fuel tank and gauge system of claim 4, further including a second vent providing fluid communication between the high collection point of the tank top and the top of the gauge chamber. 6. The aircraft fuel tank and gauge system of claim 1, wherein the tank has a generally flat bottom and a curved top. 7. The aircraft fuel tank and gauge system of claim 1, wherein the tank has a generally trapezoidal body shape. 8. The aircraft fuel tank of claim 1, wherein the vent provides fluid communication between the top of the tank at or near the high collection point and the top of the gauge chamber. 9. An aircraft fuel tank and gauge system comprising: a fuel tank having: a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel collects when the aircraft is level, and a gauge chamber extending from the top of the tank to a height equal or above the high collection point of the tank; a gauge received within the gauge chamber; and a vent providing fluid communication between the top of the tank and a top of the gauge chamber; wherein the tank has a generally flat bottom and a curved top; and wherein the tank has first and second high collection points at generally equivalent elevations and the first vent provides fluid communication between the gauge chamber and the first high collection point and further including an additional vent that provides fluid communication between the gauge chamber and the second high collection point. 10. An aircraft fuel tank and gauge system comprising: a fuel tank having: at least two tank chambers, each chamber fluidly connected to an adjacent chamber using at least two channels; a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel collects when the aircraft is level, and a gauge chamber configured between the two tank chambers and directly in fluid communication with the two tank chambers via at least one of the channels, the gauge chamber extending from an elevation generally equivalent with the high collection point of the top of the tank to an elevation generally equivalent with the low collection point of the bottom of the tank; a gauge disposed within the gauge chamber; and a vent providing fluid communication between the bottom of the tank and a bottom of the gauge chamber. 11. The aircraft fuel tank and gauge system of claim 10, further including a second vent providing fluid communication between the top of the tank and the top of the gauge chamber. 12. The aircraft fuel tank of claim 11, wherein the second vent provides fluid communication between the top of the tank at or near the high collection point and the top of the gauge chamber. 13. The aircraft fuel tank of claim 10, wherein the vent provides fluid communication between the bottom of the tank at or near the low collection point and the bottom of the gauge chamber. 14. An aircraft fuel tank and gauge system comprising: a fuel tank having: a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel collects when the aircraft is level, and a gauge chamber extending from the top of the tank to a height equal or above the high collection point of the tank; a gauge received within the gauge chamber; and a vent providing fluid communication between the top of the tank and a top of the gauge chamber; wherein the diameter of the gauge chamber is consistent along the length of the gauge chamber. 15. An aircraft fuel tank and gauge system comprising: a fuel tank having: a bottom defining a low collection point where, when the tank is empty, added fuel collects when the aircraft is level, a top defining a high collection point where, when the tank is full, added fuel collects when the aircraft is level, and a gauge chamber extending from the top of the tank to a height equal or above the high collection point of the tank; a gauge received within the gauge chamber; and a vent providing fluid communication between the top of the tank and a top of the gauge chamber; wherein the gauge chamber is located approximately at the center of gravity of the tank.
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