Pressure vessel skirt for accommodating thermal cycling
First Claim
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1. A pressure vessel, comprising:
- a body comprising a cylindrical section; and
a skirt comprising a hip, a leg, and a restraint;
the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg to support the body by simply resting on a top of the leg,the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, andthe restraint independently coupling the hip to an outer surface of the leg while allowing limited movement between the hip and the leg to account for the thermal cycling and to secure against toppling of the body.
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Abstract
A pressure vessel includes: a body comprising a cylindrical section; and a skirt comprising a hip, a leg, and a restraint. The hip formed with or attached to the body and has a profile for receiving an upper portion of the leg. The profile is oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body. The restraint fastens the hip and the leg while allowing limited movement between the hip and the leg to account for the thermal cycling.
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Citations
19 Claims
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1. A pressure vessel, comprising:
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a body comprising a cylindrical section; and a skirt comprising a hip, a leg, and a restraint; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg to support the body by simply resting on a top of the leg, the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, and the restraint independently coupling the hip to an outer surface of the leg while allowing limited movement between the hip and the leg to account for the thermal cycling and to secure against toppling of the body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A pressure vessel, comprising:
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a body comprising a cylindrical section; and a skirt comprising a hip, a leg, and a restraint; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg, the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, and the restraint fastening the hip and the leg while allowing limited movement between the hip and the leg to account for the thermal cycling, wherein a mid-wall diameter of the cylindrical section is equal to a mid-wall diameter of the leg upper portion.
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16. A pressure vessel, comprising:
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a body comprising a cylindrical section; and a skirt comprising a hip, a leg, and a restraint; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg, the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, and the restraint fastening the hip and the leg while allowing limited movement between the hip and the leg to account for the thermal cycling, wherein the restraint comprises a fastener connected to the leg and having a shaft portion extending through a keyhole formed through an outer wall of the hip.
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17. A pressure vessel, comprising:
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a body comprising a cylindrical section; and a skirt comprising a hip, a leg, and a restraint; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg, the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, and the restraint fastening the hip and the leg while allowing limited movement between the hip and the leg to account for the thermal cycling, wherein the restraint comprises; a bracket welded to the leg, and a fastener connected to the hip and having a shaft portion extending through a keyhole formed through an outer portion of the bracket.
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18. A pressure vessel, comprising:
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a body comprising a cylindrical section; a skirt comprising a hip, a leg, and a restraint; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg, the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body, and the restraint fastening the hip and the leg while allowing limited movement between the hip and the leg to account for the thermal cycling; and a bearing disposed between the hip and the leg.
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19. A pressure vessel, comprising:
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a body comprising a cylindrical section; a skirt comprising a hip and a leg; the hip formed with or attached to the body and having a profile for receiving an upper portion of the leg to support the body by simply resting on a top of the leg, and the profile being oversized relative to the leg upper portion, thereby defining a radial clearance between the hip and the leg to account for thermal cycling of the body; and a bearing disposed between the hip and the leg and comprising at least one of; an abrasion resistant coating on the profile, an abrasion resistant coating on the top of the leg, a tip made from an abrasion resistant material and disposed in a groove formed in the top of the leg, a tip made from an abrasion resistant material and welded to the top of the leg, and a cap made from an abrasion resistant material and disposed on the top of the leg.
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Specification