Patent ID: 8746359

Claim:
A spherical, pyramidal or oval element ( 7 ) intended to decrease the risk for explosion when handling fuel in a container ( 1 ), the spherical, pyramidal or oval element ( 7 ) being configured to be positioned inside the container ( 1 ) to suppress a possible combustion of the fuel inside the container, wherein the spherical, pyramidal or oval element ( 7 ) comprises at least one outer wall portion ( 9 , 31 ) arranged to be in contact with the fuel and suppress a possible combustion of the fuel inside the container ( 1 ), the outer wall portion ( 9 , 31 ) encloses an inner space ( 15 ) shaped for receiving fuel, and the spherical, pyramidal or oval element ( 7 ) comprises two inner wall portions ( 17 ) each being substantially circular, having a central opening ( 19 ) therethrough and a plurality of concavities ( 19 ) along an outer circumference thereof, inside and extending across the inner space ( 15 ) to contact an inner surface of and support the outer wall portion ( 9 , 31 ) of the spherical, pyramidal or oval element ( 7 ) with an end part of the inner wall portion ( 17 ), such that the spherical, pyramidal or oval element ( 7 ) is shape permanent.