FILLER NECK PLUG OF, PRIMARILY, TRANSPORT FACILITY Russian patent published in 2011 - IPC B60K15/05 B65D39/08 B65D51/16 B65D90/54 

FIELD: transport.

SUBSTANCE: invention relates to machine building. Proposed plug comprises cover with inner thread for cover to be screwed on fuel tank filler neck, case with flange and cup, gasket, sealing plug on filler neck and valve device. Cover has ledges arranged on its inner surface and is jointed with the case by fastener. Air valve is arranged on fastener spring. Case is made up of two split parts jointed together by fastener. One part of the case represents a ring-like box with flange, box inner surface being furnished with annular groove receiving filtration element. The other part represents a barrel accommodating stepped part with stepped hole supporting valve device. Cover has centerline slot. Gasket with double-sided annular sealing flanges is arranged between top surfaces of the barrel and neck and bottom surface of the box. Outlet valve represents a cap with flange and axial bore in its bottom and is furnished with annular sealing flanges arranged on bottom surface of the flange and axial bore.

EFFECT: tight joint between plug and filler neck.

2 cl, 1 dwg