FUEL TANK Russian patent published in 1997 - IPC

FIELD: transport; household appliances; different industries. SUBSTANCE: fuel tank has metal hermetically sealed body 1 filled with porolon, special porous rubber or other material filler 2 which can be compressed by material filled into tank. Piston 4 and compressed air supply branch pipe 3 are found on top of fuel tank. Gasoline is delivered into tank through filler hole 5, and is fed to carburetor through outlet hole 6. If filler 2 is compact, it is formed to inner dimensions of tank and is coated from outside with envelope, except for the lower part Envelope is made of gasoline-tight material, such as film or paint, etc. If powder is used, piston should be tightly fitted to tank walls. With automobile operating, air at controlled pressure is fed into branch pipe 3, gasoline is forced out of filler 2 and passes into outlet hole 6. When filling the tank, gasolene pressure makes piston 4 lift and occupy initial position. EFFECT: enlarged operating capabilities. 2 cl, 1 dwg