IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0861028
(2004-06-04)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
25 |
초록
▼
The present invention provides methods for integrating structural members inside the body of a propulsion vehicle with tankage used to store fluid propellant and the like. Propulsion vehicles may be made lighter, more compact, cheaper, and easier to manufacture by using pressurized membranes of the
The present invention provides methods for integrating structural members inside the body of a propulsion vehicle with tankage used to store fluid propellant and the like. Propulsion vehicles may be made lighter, more compact, cheaper, and easier to manufacture by using pressurized membranes of the tankage to accomplish other structural purposes. More specifically, tanks may be integrated with thrust structures to transfer thrust loads from the engine to the main body of the vehicle. Alternatively, the tanks may be integrated with the vehicle engine. One tank may be integrated with one or more other tanks to form a single pressure vessel with multiple interior chambers. Methods of manufacturing a metallic integrated tank assembly include weld fabrication, machining, spinning, hydroforming, casting, forging, plating, metal deposition, or some combination thereof. Methods of manufacturing a composite integrated tank assembly include filament winding, fiber placement, hand-lay-up, or some combination. The methods listed above may be combined with other steps and tooling to create many different embodiments of the invention.
대표청구항
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What is claimed is: 1. A method for forming a tank structure for conveying compressive stress and for fluid containment, the method comprising: fabricating an internal thrust structure configured to convey compressive stress through the tank structure, wherein the internal thrust structure comprise
What is claimed is: 1. A method for forming a tank structure for conveying compressive stress and for fluid containment, the method comprising: fabricating an internal thrust structure configured to convey compressive stress through the tank structure, wherein the internal thrust structure comprises a outer edge; fabricating a liner for a fluid containment; nesting the liner and the internal thrust structure to form an assembly; fabricating a shell; and disposing the liner and the internal thrust structure within the shell, wherein nesting the liner and the internal thrust structure, the outer edge of the internal thrust structure engages the shell. 2. The method of claim 1, wherein fabricating the shell, a composite laminate is applied to a surface of the assembly. 3. The method of claim 1, wherein fabricating the shell, the shell comprises an open end, the method further comprising the steps of fabricating a dome for attachment to the shell and attaching the dome to the open end of the shell. 4. The method of claim 3, wherein fabricating the shell, the shell comprises two open ends, wherein fabricating the dome, two domes are fabricated, the method further comprising attaching one dome at each open end of the shell. 5. The method of claim 1, wherein fabricating the shell, the shell comprises an open end, wherein the method further comprising the steps of fabricating a rocket engine assembly and attaching the rocket engine assembly to the open end of the shell. 6. The method of claim 5, wherein the open end is sized to receive the outer diameter of the rocket engine assembly. 7. The method of claim 5, wherein the assembly is shaped to match a portion of the outer profile of the rocket engine assembly. 8. The method of claim 7, further comprising the steps of nesting the rocket engine assembly against the assembly. 9. The method of claim 1, further comprising the step of fabricating a second liner. 10. The method of claim 9, further comprising the step of nesting the second liner with the assembly. 11. The method of claim 9, wherein the second liner is annularly shaped, the method further comprising the step of disposing the second liner over the shell. 12. The method of claim 11, further comprising the step of fabricating a second shell over the second liner. 13. A method for forming a tank structure for conveying compressive stress and for fluid containment, the method comprising: fabricating a first liner and a second liner for a fluid containment; fabricating a fluid separating bulkhead; nesting the first liner, the fluid separating bulkhead, and the second liner to form an assembly; fabricating a shell configured to convey compressive stress from a polar fitting through the tank structure; and nesting the assembly within the shell. 14. The method of claim 13, further comprising the step of attaching the fluid separating bulkhead to the shell. 15. The method of claim 13, wherein fabricating the shell, a composite laminate is applied to a surface of the assembly. 16. The method of claim 13, wherein fabricating the shell, the shell comprises an open end, the method further comprising the steps of fabricating a dome for attachment to the shell and attaching the dome to the open end of the shell. 17. The method of claim 13, wherein fabricating the shell, the shell comprises an open end, the method further comprising the steps of fabricating a thrust structure for attachment to the shell and attaching the thrust structure to the open end of the shell. 18. The method of claim 13, wherein fabricating the shell, the shell comprises an open end, wherein the method further comprising the steps of fabricating a rocket engine assembly and attaching the rocket engine assembly to the open end of the shell. 19. The method of claim 18, wherein the open end is sized to receive the outer diameter of the rocket engine assembly. 20. The method of claim 18, wherein the first liner is shaped to match the outer profile of the rocket engine assembly. 21. The method of claim 20, further comprising the steps of nesting the rocket engine assembly against the liner.
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