Energy absorbing fluid bladder systems and methods
First Claim
Patent Images
1. A fluid bladder comprising:
- a bladder body; and
a baffle structure disposed within the bladder body and configured to mitigate a pulse of fluid moving within the bladder body before the pulse reaches the bladder body,wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation,wherein the first perforation is sized to increase flow resistance through the first perforation to direct less fluid to a first portion of the bladder body,wherein the second perforation is sized to decrease flow resistance through the second perforation to direct more fluid to a second portion of the bladder body, andwherein the perforated structure comprises a perforated polyhedron box.
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Abstract
Various techniques are provided for an energy absorbing fluid bladder. In one example, the fluid bladder includes a bladder body and a perforated baffle structure. The perforated baffle structure can be disposed within the bladder body and configured to mitigate a pulse of fluid (e.g., fuel) moving within the bladder body before the pulse reaches the bladder body. Related methods are also disclosed.
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Citations
20 Claims
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1. A fluid bladder comprising:
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a bladder body; and a baffle structure disposed within the bladder body and configured to mitigate a pulse of fluid moving within the bladder body before the pulse reaches the bladder body, wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation, wherein the first perforation is sized to increase flow resistance through the first perforation to direct less fluid to a first portion of the bladder body, wherein the second perforation is sized to decrease flow resistance through the second perforation to direct more fluid to a second portion of the bladder body, and wherein the perforated structure comprises a perforated polyhedron box. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A fluid bladder comprising:
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a bladder body; and a baffle structure disposed within the bladder body and configured to mitigate a pulse of fluid moving within the bladder body before the pulse reaches the bladder body, wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation, wherein the first perforation is sized to increase flow resistance through the first perforation to direct less fluid to a first portion of the bladder body, and wherein the second perforation is sized to decrease flow resistance through the second perforation to direct more fluid to a second portion of the bladder body, wherein the perforated structure comprises a cylinder with perforated walls.
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13. A fluid bladder comprising:
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a bladder body; and a baffle structure disposed within the bladder body and configured to mitigate a pulse of fluid moving within the bladder body before the pulse reaches the bladder body, wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation, wherein the first perforation is sized to increase flow resistance through the first perforation to direct less fluid to a first portion of the bladder body, wherein the second perforation is sized to decrease flow resistance through the second perforation to direct more fluid to a second portion of the bladder body, wherein the perforated structure comprises a first perforated structure and a second perforated structure nested within the first perforated structure.
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14. A fluid bladder comprising:
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a bladder body; and a baffle structure disposed within the bladder body and configured to mitigate a pulse of fluid moving within the bladder body before the pulse reaches the bladder body, wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation, wherein the first perforation is sized to increase flow resistance through the first perforation to direct less fluid to a first portion of the bladder body, wherein the second perforation is sized to decrease flow resistance through the second perforation to direct more fluid to a second portion of the bladder body, wherein the perforated structure comprises a first perforated structure and a second perforated structure, and wherein the first perforated structure comprises a first volume and the second perforated structure comprises a second volume different from the first volume.
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15. A method comprising:
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receiving a force to move fluid disposed within a bladder body of a fluid bladder; moving at least a portion of the fluid through a baffle structure disposed within the bladder body to mitigate a pulse of the fluid moving within the bladder body before the pulse reaches the bladder body, wherein the baffle structure comprises a perforated structure comprising at least a first perforation and a second perforation different in size from the first perforation; directing less fluid to a first portion of the bladder body by increasing flow resistance through the first perforation based on a size of the first perforation; and directing more fluid to a second portion of the bladder body by decreasing flow resistance through the second perforation based on the size of the second perforation, wherein the perforated structure comprises a perforated polyhedron box. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification