US3712257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for supporting a conveyed tank against roll and pitch
Assignee: Technigaz
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Filing: 1971-01-06
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Granted: 1973-01-23
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Expires: 1991-01-06
Abstract
Abstract A method of compensating by means of external bearing reactions for the roll and pitch forces, a rigid ship-borne tank movably suspended at discrete external points distributed along the periphery of the said tank and consisting in applying said bearing reactions, without creating any normal effect, onto said tank at discrete points along the tank periphery located in a same horizontal plane so as to be horizontal relative to said ship by being each parallel with the local plane tangent to the tank perpendicularly to the normal passing through the point of application of the bearing reaction considered.
Inventors
- 👤 J Alleaume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:44
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128; F; F17; F17C; F17C13/00; F17C13/08; F17C13/082; F17C2203/00; F17C2203/01
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
210 words
An auxiliary device for supporting a tank against roll and pitch and associated with a system of main movable and substantially vertical suspension supports, said device comprising at least one set of stationary bearing members substantially adjacent to one another and distributed along the periphery of said tank at least approximately in one and the same relative horizontal plane, each bearing member comprising a substantially triangular bracket support comprising in particular two over-hanging rods, a stationary external structure spaced from said tank, respectively at two, at least horizontally spaced points of the tank located respectively on either side of the normal relative vertical plane passing through said member, one of the ends of said rods being connected to said structure, said rods converging towards said plane, a guiding element interconnecting the other ends of said rods in said plane, a force-guiding bearing solid with said tank with which said element cooperates, each guiding bearing having a guiding path forming a slideway constituted by a rectilinear elongated recess forming a substantially horizontal straight slot with parallel opposite edges, the longitudinal plane of symmetry of said slot being in said normal relative vertical plane, said guiding element constantly engaging said slideway with bilateral contact while moving in said normal relative vertical plane.
Claim 2
Dependent Claim
210 words
An auxiliary device for supporting a tank against roll and pitch and associated with a system of main movable and substantially vertical suspension supports, said device comprising at least one set of stationary bearing members substantially adjacent to one another and distributed along the periphery of said tank at least approximately in one and the same relative horizontal plane, each bearing member comprising a substantially triangular bracket support comprising in particular two over-hanging rods, a stationary external structure spaced from said tank, respectively at two, at least horizontally spaced points of the tank located respectively on either side of the normal relative vertical plane passing through said member, one of the ends of said rods being connected to said structure, said rods converging towards said plane, a guiding element interconnecting the other ends of said rods in said plane, a force-guiding bearing solid with said tank with which said element cooperates, each guiding bearing having a guiding path forming a slideway constituted by a rectilinear elongated recess forming a substantially horizontal straight slot with parallel opposite edges, the longitudinal plane of symmetry of said slot being in said normal relative vertical plane, said guiding element constantly engaging said slideway with bilateral contact while moving in said normal relative vertical plane.
Claim 3
Dependent Claim
44 words
A device according to claim 1, wherein the bearing members located at one and the same level are substantially adjacent to one another and the adjacent rods of two successive bearing members are connected with said stationary structure at two at least adjacent points.
Claim 4
Dependent Claim
70 words
A device according to claim 1, wherein each guiding element is constituted by a sliding block-forming pad at least that portion of which which engages said slideway has a substantially prismatic lateral surface, the axis of which is substantially vertical and the cross-section of which is rectangular and the vertical length of which is sufficient to constantly ensure the guiding of any mutual relative vertical displacement of said guiding element.
Claim 5
Dependent Claim
57 words
A device according to claim 1, wherein both of said rods of each bearing member have at least their respective points of connection with said stationary structure located at two respectively different levels and are substantially horizontal and shifted vertically, so as to be located on either side of the horizontal plane containing the associated guiding bearing.
Claim 6
Dependent Claim
64 words
A device according to claim 4, wherein said two rods of each bearing member are hingedly connected, in substantially coaxial relationship, with the associated guiding element, comprising to this end two mutually opposed pivot pins which are aligned and substantially vertical and serve as hinge pins, each of said rods being hingedly connected also with said stationary structure about respective, substantially vertical hinge pins.
Claim 7
Dependent Claim
29 words
A device according to claim 4, wherein two adjacent rods of two successive bearing members of one and the same system are offset vertically with respect to one another.
Claim 8
Dependent Claim
44 words
A device according to claim 6, wherein two adjacent rods of two successive bearing members of one and the same system are hingedly connected with said stationary structure in mutual super-position about one and the same vertical hinge pin mounted in a common clevis.
Claim 9
Dependent Claim
32 words
A device according to claim 6, wherein each rod of each said bearing members is rigidly secured, by its opposite ends, respectively to the associated guiding element and to said stationary structure.
Claim 10
Dependent Claim
50 words
A device according to claim 1, wherein at least two sets of said bearing members are arranged at two levels located symmetrically on either side of an horizontal plane of symmetry of said tank, said bearing members being respectively shifted in the peripheral direction from one level to the other.
Claim 11
Dependent Claim
56 words
A device according to claim 9, charactErized in that said guiding bearings of one and the same system of bearing members located at one and the same level are carried by a substantially horizontal ring solid with said tank and surrounding the latter externally, each guiding bearing being constituted by a recess provided in said ring.
Claim 12
Dependent Claim
44 words
A device according to claim 9, wherein said tank and all of its bearing and suspension members are made from a metal capable of withstanding low temperatures, whereas heat-insulating means are interposed in the connections of said members with the stationary structures supporting them.
Claim 13
Dependent Claim
71 words
A device according to claim 9, for a tank mounted in the hold of a cargo ship having a main deck wherein said two sets of bearing members comprise an upper set and a lower set placed respectively at two superposed levels, symmetrical with respect to the said horizontal plane of symmetry of the said tank, the upper set being substantially at the level of said main deck of said ship.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |