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Bi-Directional Flow Control Valve

Bi-Directional Flow Control Valve. Dale Bernier Judy Biddle Timothy Brown Christopher "Robby" Freeborn-Scott 15 October 2009. Brief Overview. Background Problem/Objective Design Concepts Concept Selection/Design Matrix. Introduction & Background. September 11, 2001 Pentagon Attack.

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Bi-Directional Flow Control Valve

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  1. Bi-Directional Flow Control Valve Dale Bernier Judy Biddle Timothy Brown Christopher "Robby" Freeborn-Scott 15 October 2009

  2. Brief Overview • Background • Problem/Objective • Design Concepts • Concept Selection/Design Matrix

  3. Introduction & Background September 11, 2001 Pentagon Attack

  4. Problem • Currently, only one-directional mechanical flow valves are available on the market

  5. Objective Design and prototype a bi-directional flow control valve

  6. Design A: Door Hinge Valve

  7. Design A: Door Hinge Valve

  8. Design A: Door Hinge Valve Circular plate connected to hook acts as valve Spring force balances pressure force while valve maintains normal operations If tube breaks, the force on the hook becomes greater than the spring force causing the valve to close

  9. Design B: Hour Glass Stopper

  10. Design B: Hour Glass Stopper

  11. Design B: Hour Glass Stopper • Stopper suspended by six springs, three on each side, arranged in an equilateral triangle • Water flow exerts pressure on stopper area • In the event of a sudden pressure difference, the force on one side will close the valve by overcoming the spring force

  12. Design C: Tension Springs

  13. Design C: Tension Springs

  14. Design C: Tension Springs • Two springs active clapper-type device on each end of the valve • Springs are extended by an pressure difference to close off the valve • When the pressure returns to normal the spring retracts, opening the valve

  15. Design D: Dual Door Valve

  16. Design D: Dual Door Valve

  17. Design E: Uniaxial Plate Valve

  18. Design E: Uniaxial Plate Valve

  19. Design E: Uniaxial Plate Valve • The stopper is mounted on an axial bar that is attached to the sides of the valve by perpendicular bars • The axial bar has springs on each side to hold the stopper in an equilibrium position • Functions in a similar manner to the Hour Glass Stopper

  20. Design Matrix

  21. Final Design Selection: Design B

  22. Conclusion Discussed • Background/Problem • Concepts • Concept Generation • Design Matrix

  23. Questions

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