FIELD: transport, distribution.
SUBSTANCE: proposed gun comprises detachable valve assembly to control fuel flow and catch fuel vapors in gun. Said valve assembly may be pre-assembled and fitted into gun case as one-piece unit. Said gun comprises vacuum-driven automatic cutout system to prevent fluid leaks through the gun when its drain pipe bottom edge is immersed in fuel. Said cutout system may be driven also by magnet.
EFFECT: testing at no load, that is without feeding fuel.
8 cl, 12 dwg
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