IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0270387
(2002-10-10)
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발명자
/ 주소 |
- Welch, Jr., Kenneth W.
- Rothi, Curtis J.
- Rothi, Harold L.
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출원인 / 주소 |
- Independent Natural Resources, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
13 인용 특허 :
15 |
초록
▼
A buoyancy pump device for use in fluid. The buoyancy pump device includes a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow. A buoyancy block is disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the
A buoyancy pump device for use in fluid. The buoyancy pump device includes a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow. A buoyancy block is disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber. A piston cylinder is connected to the buoyancy block housing and has at least one valve disposed therein operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction. A piston is slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block in the second direction to draw a gas or liquid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the gas or liquid substance through the at least one valve.
대표청구항
▼
1. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chambe
1. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; a base connected to the buoyancy block housing; and wherein the base comprises a storage tank for the fluid substance. 2. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve, a piston shaft interconnecting the piston and the buoyancy block, and wherein the piston shaft has an adjustable length. 3. A buoyancy pump for use in a fluid comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and a plurality of stops connected to an inner surface of the buoyancy block housing at a lower portion of the buoyancy block housing, the plurality of stops defining a limit of movement of the buoyancy block in the second direction. 4. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and a plurality of axial shims connected to an inner perimeter of the buoyancy block housing adjacent the buoyancy block for minimizing friction between the buoyancy block housing and the buoyancy block and for maintaining the buoyancy block in a generally axial relationship with the piston. 5. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and wherein the buoyancy block housing comprises a generally cylindrical cage having a plurality of openings thereon adapted to allow the fluid to flow therein. 6. The buoyancy pump of claim 5, wherein the generally cylindrical cage defines a turbulence opening thereon, the turbulence opening being adapted to minimize turbulence of the fluid.7. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and wherein the buoyancy block has a predetermined adjustable buoyancy. 8. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and wherein the buoyancy block further comprises an upper portion and a lower portion moveably coupled to the upper portion. 9. The buoyancy pump of claim 8, wherein the buoyancy block further comprises:means for telescopically adjusting the lower portion with respect to the upper portion. 10. The buoyancy pump of claim 9, wherein the means for telescopically adjusting the lower portion comprises:a motor connected to an upper surface of the lower portion of the buoyancy block, the motor being adapted to rotate the lower portion of the buoyancy block in a predetermined direction and thereby telescope the buoyancy block. 11. The buoyancy pump of claim 8, wherein the buoyancy block is radially expandable.12. The buoyancy pump of claim 11, wherein the buoyancy block further comprises:a radially expandable external seal; a plurality of outer plates connected to the external seal; a plurality of inner plates movably connected to the plurality of outer plates; a motor connected to a gear, the motor being axially disposed within the buoyancy block; and a plurality of expansion bars connected to the gear and to the outer plates, the plurality of expansion bars being adapted to radially expand and contract the buoyancy block. 13. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and wherein the buoyancy block further comprises: a generally cylindrical axially tapered upper portion having a plurality of threads on a cylindrical inside perimeter of the upper portion; and a generally cylindrical lower portion having a plurality of threads on an outer surface thereof adapted to mate with the plurality of threads on the cylindrical inside perimeter of the axially tapered upper portion. 14. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and an aquiculture rig connected to the buoyancy block housing for maintaining the position of the buoyancy pump with respect to the fluid. 15. A buoyancy pump for use in a fluid, comprising:a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow; a buoyancy block disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the fluid in the buoyancy chamber and a second direction responsive to lowering of the fluid in the buoyancy chamber; a piston cylinder connected to the buoyancy block housing; at least one valve disposed in the piston cylinder operating as an inlet in response to movement of the buoyancy block in the second direction and an outlet in response to movement of the buoyancy block in the first direction; a piston slideably disposed within the piston cylinder and connected to the buoyancy block, the piston being moveable in the first and second directions and responsive to movement of the buoyancy block and in the second direction to draw a fluid substance into the piston cylinder through the at least one valve, and responsive to movement of the buoyancy block in the first direction to output the fluid substance through the at least one valve; and wherein the piston cylinder has an open lower end, and a lower surface of the piston is adapted to contact the fluid. 16. The buoyancy pump of claim 15, further comprising:a plurality of piston stops disposed at a lower inner surface of the piston cylinder to limit axial movement of the piston in the piston cylinder in the second direction.
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