Abstract: The invention relates to a pressure fuel servicing nozzle for mating with a standardized aircraft fueling adapter having an adapter valve biased in a closed position to prevent fuel flow. The fuel nozzle includes a nozzle body and a collar assembly coupled to the nozzle body. Fuel flow is prevented when the nozzle valve is in a fully retracted position and fuel flow is allowed when the nozzle valve is extended and when the nozzle valve pushes the adapter valve in a downstream direction. A bias member maintains the nozzle valve in fully open position when intimate contact between the valves is disrupted, such as when fuel flow forces the adapter valve further in the downstream direction. The fuel nozzle further includes a collar assembly rotatably coupled to the nozzle body such that the fuel nozzle is secured to the fueling adapter by engaging the fuel nozzle onto the fueling adapter and rotating the collar assembly about the nozzle body and fueling adapter.

Abstract: The invention relates to a pressure fuel servicing nozzle for mating with a standardized aircraft fueling adapter having a cylindrical extension with a plurality of indexing notches and a plurality of radially extending lock tabs. The fuel nozzle includes a nozzle body having an outer surface and an interior passage. A collar assembly is rotatably supported upon the outer surface of the nozzle body. A plurality of locating pins having a rectangular cross-section extend outwardly from the bottom base of the nozzle body. The fuel nozzle is properly aligned onto the fueling adapter by fitting the locating pins in the indexing notches of the fueling adapter such that the two opposing side faces contact the surfaces of the indexing notches. The fuel servicing nozzle further includes an interlock plate biased toward an exterior of the nozzle body by a plurality of spaced springs. The interlock plate has a plurality of apertures through which the locating pins pass.