A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of
A gas-generating apparatus includes a reaction chamber having a first reactant, a reservoir having an optional second reactant, and a self-regulated flow control device. The self-regulated flow control device stops the flow of reactant from the reservoir to the reaction chamber when the pressure of the reaction chamber reaches a predetermined level. Methods of operating the gas-generated apparatus and the self-regulated flow control device, including the cycling of a shut-off valve of the gas-generated apparatus and the cycling of the self-regulated flow control device are also described.
대표청구항▼
We claim: 1. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through sa
We claim: 1. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; and wherein said at least one reactant is transported to the reaction chamber by capillary action; and wherein the flow control device comprises a wicking conduit removably attachable to a wicking member connected to the reaction chamber. 2. The gas-generating apparatus of claim 1, wherein the reaction chamber contains a first reactant. 3. The gas-generating apparatus of claim 2, wherein the wicking conduit comprises a first end in contact with said at least one reactant contained in the reservoir and a second end capable of contacting said wicking member to establish a flow path from the reservoir to the reaction chamber. 4. The gas-generating apparatus of claim 3, wherein at least a portion of the second end of the wicking conduit is biased toward contacting the wicking member. 5. The gas-generating apparatus of claim 3, further comprising a weight attachable proximate to the first end of the wicking conduit. 6. The gas-generating apparatus of claim 3, wherein when the pressure in the reaction chamber is about the predetermined stopping pressure or higher the pressure pushes the second end of the wicking conduit away from the wicking member in the reaction chamber to interrupt the flow path. 7. The gas-generating apparatus of claim 3, wherein the second end is supported by an impermeable member. 8. The gas-generating apparatus of claim 3, wherein the second end is enlarged. 9. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein said at least one reactant is stored in a bladder. 10. The gas-generating apparatus of claim 9, wherein the bladder is pressurized by a biasing member. 11. The gas-generating apparatus of claim 9, wherein the flow control device comprises a first valve adapted to open when the pressure in the reservoir is higher than the pressure in the reaction chamber to transport the reactant from the reservoir to the reaction chamber. 12. The gas-generating apparatus of claim 11, wherein said first valve closes when the pressure in the reaction chamber is within a predetermined difference less than the pressure in the reservoir. 13. The gas-generating apparatus of claim 12, wherein the predetermined stopping pressure is substantially the same as the pressure of the reservoir less the predetermined difference. 14. The gas-generating apparatus of claim 13, wherein the predetermined difference is less than about 2 psi. 15. The gas-generating apparatus of claim 13, wherein the predetermined difference is less than about 5 psi. 16. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the flow control device comprises a diaphragm adapted to open when the pressure in the reservoir is higher than the pressure in the reaction chamber to transport the reactant from the reservoir to the reaction chamber, and wherein the diaphragm is biased by at least one biasing member. 17. The gas-generating apparatus of claim 16, wherein said diaphragm closes when the pressure in the reaction chamber is within a predetermined difference less than the pressure in the reservoir. 18. The gas-generating apparatus of claim 16, further comprising a sealing member operatively connected to the diaphragm to seal a flow path connecting the reservoir to the reaction chamber. 19. The gas-generating apparatus of claim 18, further comprising a rod that connects the diaphragm to the sealing member. 20. The gas-generating apparatus of claim 18, wherein the flow path is non-linear. 21. The gas-generating apparatus of claim 18, wherein the flow path is linear. 22. The gas-generating apparatus of claim 18, wherein the flow control device comprises an adjuster for the at least one biasing member. 23. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; and further comprising a starter to initiate gas generation. 24. The gas-generating apparatus of claim 23, wherein the starter starts or stops introducing the at least one reactant from the reservoir to the reaction chamber by a push, pull, or rotational movement. 25. The gas-generating apparatus of claim 24, wherein the starter comprises a shaft and a valve rotatably connected to the shaft, wherein a rotational movement of the valve reciprocates the valve linearly. 26. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber though said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the flow control device comprises a movable member shuttling between a first position allowing the reactant to be transported from the reservoir to the reaction chamber and a second position allowing the produced gas to be transported from the reaction chamber. 27. The gas-generating apparatus of claim 26, wherein the movable member is biased towards the first position. 28. The gas-generating apparatus of claim 27, wherein the produced gas pushes the movable member to the second position. 29. The gas-generating apparatus of claim 26 ,further comprising corresponding valves to transport the reactant. 30. The gas-generating apparatus of claim 26, further comprising corresponding valves to transport the produced gas. 31. The gas-generating apparatus of claim 26, wherein the reservoir is pressurized. 32. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; and further comprising a shut-off valve to release the produced gas. 33. The gas-generating apparatus of claim 32, wherein the shut-off valve cycles from a closed position to an open position to maintain the production of gas. 34. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the reservoir is removably connected to the reaction chamber. 35. The gas-generating apparatus of claim 34, wherein the reservoir comprises a first valve component adapted to connect the reservoir to the reaction chamber. 36. The gas-generating apparatus of claim 35, wherein the reaction chamber comprises a second valve component connectable to the first valve component. 37. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the reservoir comprises an expanding substance. 38. The gas-generating apparatus of claim 37, wherein the expanding substance comprises a hydrocarbon, an alcohol or an expanding balloon. 39. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the reservoir is connected to a manual relief valve. 40. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein the reaction chamber is connected to a manual relief valve. 41. A gas-generating apparatus comprising: a reaction chamber; a reservoir comprising at least one reactant; and a flow control device connecting the reservoir to the reaction chamber, wherein said at least one reactant is transportable from the reservoir to the reaction chamber through said flow control device to react to form gas, and when the pressure of the reaction chamber exceeds a predetermined stopping pressure the flow control device prevents the transport of said at least one reactant; wherein a baffle is positioned between the reservoir and reaction chamber, wherein the baffle allows gas to be transported from the reaction chamber to the reservoir. 42. The gas-generating apparatus of claim 41, wherein liquid cannot be transported from the reservoir to the reaction chamber. 43. The gas-generating apparatus of claim 41, wherein the baffle comprises a plurality of ribs, wherein the spacing between the ribs is uneven. 44. The gas-generating apparatus of claim 43, wherein the spacing between the ribs is decreasing in the direction from the reaction chamber to the reservoir. 45. The gas-generating apparatus of claim 43, wherein the ribs comprise a plurality of sets of ribs, wherein the spacing between the ribs in the sets are uneven. 46. The gas-generating apparatus of claim 45, wherein the spacing in the sets is decreasing in the direction from the reaction chamber to the reservoir.
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