US 12,078,298 B2
Sealed and thermally insulating tank provided with a loading/unloading tower
Mickael Herry, Saint Remy les Chevreuse (FR); Pierre Charbonnier, Saint Remy les Chevreuse (FR); Mohammed Oulalite, Saint Remy les Chevreuse (FR); and Emmanuel Hivert, Saint Remy les Chevreuse (FR)
Assigned to GAZTRANSPORT ET TECHNIGAZ, Saint Remy les Chevreuse (FR)
Appl. No. 17/049,811
Filed by GAZTRANSPORT ET TECHNIGAZ, Saint Remy les Chevreuse (FR)
PCT Filed Apr. 25, 2019, PCT No. PCT/FR2019/050981
§ 371(c)(1), (2) Date Oct. 22, 2020,
PCT Pub. No. WO2019/211551, PCT Pub. Date Nov. 7, 2019.
Claims priority of application No. 1853794 (FR), filed on May 2, 2018.
Prior Publication US 2021/0254788 A1, Aug. 19, 2021
Int. Cl. F17C 13/08 (2006.01); B67D 7/62 (2010.01); B67D 7/78 (2010.01); B67D 7/84 (2010.01); B67D 9/02 (2010.01); F17C 3/02 (2006.01); F17C 6/00 (2006.01); F17C 9/00 (2006.01); F17C 13/02 (2006.01); F04B 15/08 (2006.01)
CPC F17C 3/02 (2013.01) [B67D 7/62 (2013.01); B67D 7/78 (2013.01); B67D 7/84 (2013.01); B67D 9/02 (2013.01); F17C 3/025 (2013.01); F17C 6/00 (2013.01); F17C 9/00 (2013.01); F17C 13/02 (2013.01); F17C 13/082 (2013.01); F04B 2015/081 (2013.01); F17C 2203/0631 (2013.01); F17C 2205/0103 (2013.01); F17C 2205/018 (2013.01); F17C 2205/0355 (2013.01); F17C 2221/033 (2013.01); F17C 2227/0135 (2013.01); F17C 2250/0417 (2013.01); F17C 2260/011 (2013.01); F17C 2260/016 (2013.01); F17C 2270/0105 (2013.01); F17C 2270/0118 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A sealed and thermally insulating tank (1) for storing a fluid, the tank (1) being anchored in a load-bearing structure (3), the tank (1) having a loading/unloading tower (2) suspended from a ceiling wall (9) of the load-bearing structure (3), the tank (1) having a support foot (31) that is fastened to the load-bearing structure (3) in a zone of the bottom wall (23) of the tank (1), said support foot (31) being arranged to guide a vertical translational movement of the loading/unloading tower (2), the tank (1) having at least one sump (30) that is formed in the bottom wall (23) of the tank (1), the bottom wall of the tank comprising a corrugated sealing membrane (7) that is intended to be in contact with the fluid, the corrugated sealing membrane (7) comprising at least first corrugations (60) extending in a first direction (x) and spaced apart from one another, wherein the sump (30) and the support foot (31) are spaced apart by a distance such that at least three first corrugations (60) pass between the sump (30) and the support foot (31); and
wherein the sealing membrane comprises second corrugations extending in a second direction (y) perpendicular to the first direction, the sump (30) and the support foot (31) being positioned between the directrices of two second corrugations.