IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0796268
(2004-03-09)
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발명자
/ 주소 |
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출원인 / 주소 |
- ExxonMobil Oil Corporation
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인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
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Substantially rectangular-shaped tanks are provided for storing liquefied gas, which tanks are especially adapted for use on land or in combination with bottom-supported offshore structure such as gravity-based structures (GBS). A tank according to this invention is capable of storing fluids at subs
Substantially rectangular-shaped tanks are provided for storing liquefied gas, which tanks are especially adapted for use on land or in combination with bottom-supported offshore structure such as gravity-based structures (GBS). A tank according to this invention is capable of storing fluids at substantially atmospheric pressure and has a plate cover adapted to contain fluids and to transfer local loads caused by contact of said plate cover with said contained fluids to a grillage of stiffeners and stringers, which in turn is adapted to transfer the local loads to an internal truss frame structure. Methods of constructing these tanks are also provided.
대표청구항
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I claim: 1. A method of constructing a fluid storage tank comprising: (I) assembling (i) two end section panel sets, each said end section panel set comprising a top end panel including a top end plate cover and one or more stiffeners or stringers, a bottom end panel including a bottom end plate co
I claim: 1. A method of constructing a fluid storage tank comprising: (I) assembling (i) two end section panel sets, each said end section panel set comprising a top end panel including a top end plate cover and one or more stiffeners or stringers, a bottom end panel including a bottom end plate cover and one or more stiffeners or stringers, and three side end panels, each said side end panel including a side end plate cover and one or more stiffeners or stringers, and (ii) a plurality of truss structures, each of said plurality of truss structures comprising: (a) a plurality of both vertical, elongated supports and horizontal, elongated supports, connected at their respective ends to form a gridwork of structural members, and (b) a plurality of additional support members secured within and between said connected vertical and horizontal, elongated supports to thereby form each said truss structure; (II) loading said end section panel sets and said truss structures onto a transport vehicle; (III) transporting said transport vehicle to a tank construction site; (IV) unloading said end section panel sets and said truss structures off of said transport vehicle; (V) joining said end section panel sets and said truss structures to form said fluid storage tank such that said fluid storage tank comprises: (i) an internal, substantially rectangular-shaped truss frame structure, said internal, substantially rectangular-shaped truss frame structure comprising: (a) a first plurality of said truss structures positioned transversely and longitudinally-spaced from each other along the length direction of said internal, substantially rectangular-shaped truss frame structure and (b) a second plurality of said substantially rectangular-shaped truss structures positioned longitudinally and transversely-spaced from each other along the width direction of said internal, substantially rectangular-shaped truss frame structure, said first plurality of truss structures and said second plurality of truss structures interconnected at their points of intersection; (ii) a grillage of said stiffeners and said stringers arranged in a substantially orthogonal pattern, interconnected and attached to the external extremities of said internal truss frame structure such that when attached to vertical sides of the truss periphery, said stiffeners and stringers are in substantially the vertical and horizontal directions respectively, or in substantially the horizontal and vertical directions respectively, and (iii) a plate cover attached to the periphery of said grillage of stiffeners and stringers; all such that said tank is capable of storing fluids at substantially atmospheric pressure and said plate cover is adapted to contain said fluids and to transfer local loads caused by contact of said plate cover with said contained fluids to said grillage of stiffeners and stringers, which in turn is adapted to transfer said local loads to said internal, substantially rectangular-shaped truss frame structure. 2. A method of constructing a fluid storage tank comprising: (I) assembling (i) one or more mid section panel sets, each said mid section panel set comprising a top mid panel including a top mid plate cover and one or more stiffeners or stringers, a bottom mid panel including a bottom mid plate cover and one or more stiffeners or stringers, and two side mid panels, each said side mid panel including a side mid plate cover and one or more stiffeners or stringers, (ii) two end section panel sets, each said end section panel set comprising a top end panel including a top end plate cover and one or more stiffeners or stringers, a bottom end panel including a bottom end plate cover and one or more stiffeners or stringers, and three side end panels, each said side end panel including a side end plate cover and one or more stiffeners or stringers; and (iii) a plurality of truss structures, each of said plurality of truss structures comprising: (a) a plurality of both vertical, elongated supports and horizontal, elongated supports, connected at their respective ends to form a gridwork of structural members, and (b) a plurality of additional support members secured within and between said connected vertical and horizontal, elongated supports to thereby form each said truss structure; (II) loading said mid section panel sets, said end section panel sets, and said truss structures onto a transport vehicle; (III) transporting said transport vehicle to a tank construction site; (IV) unloading said mid section panel sets, said end section panel sets, and said truss structures off of said transport vehicle; (V) joining said mid section panel sets, said end section panel sets, and said truss structures to form said fluid storage tank such that said fluid storage tank comprises: (i) an internal, substantially rectangular-shaped truss frame structure, said internal, substantially rectangular-shaped truss frame structure comprising: (a) a first plurality of said truss structures positioned transversely and longitudinally-spaced from each other along the length direction of said internal, substantially rectangular-shaped truss frame structure and (b) a second plurality of said truss structures positioned longitudinally and transversely-spaced from each other along the width direction of said internal, substantially rectangular-shaped truss frame structure, said first plurality of truss structures and said second plurality of truss structures interconnected at their points of intersection; (ii) a grillage of said stiffeners and said stringers arranged in a substantially orthogonal pattern, interconnected and attached to the external extremities of said internal truss frame structure such that when attached to vertical sides of the truss periphery, said stiffeners and stringers are in substantially the vertical and horizontal directions respectively, or in substantially the horizontal and vertical directions respectively, and (iii) a plate cover attached to the periphery of said grillage of stiffeners and stringers; all such that said tank is capable of storing fluids at substantially atmospheric pressure and said plate cover is adapted to contain said fluids and to transfer local loads caused by contact of said plate cover with said contained fluids to said grillage of stiffeners and stringers, which in turn is adapted to transfer said local loads to said internal, substantially rectangular-shaped truss frame structure. 3. The method of claim 2 wherein said top mid plate cover is comprised of a plurality of joined steel plates.
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