Quick coupling fuel transfer

Abstract

Quick coupling devicefor transferring liquid for an aircraft, comprising a female memberconfigured to be connected to a first reservoir, said female memberforming a passage and comprising a cylindrical portionand a radial portion, a male memberconfigured to be connected to a second reservoir, said male memberforming a passage, slidably mounted in a liquid-tight manner in the female memberand comprising a cylindrical portionand a radial portion, and a memberfor locking the male memberin the female member, the locking memberbeing disposed between the radial portionof the female memberand the radial portionof the male member, the locking membersurrounding the male memberand leaving a limited sliding extent for the male memberwith respect to the female member, engaging with the female memberin the locked position and releasing the female memberin the unlocked position, the locking membercomprising an axial blocking lock that can be actuated by an axial then rotating movement and that can be released by an axial then rotating movement, and a rotation brake, the lock and the brake being active in the locked position.