Patent ID: 6622760
Filing Date: 2003-09-23
Classification: B67D

Abstract:
A refueling nozzle comprising:a nozzle housing including a fuel inlet and a fuel outlet between which is disposed a fuel passageway; a reciprocating valve element being configured to sealably seat about the fuel outlet to prevent the flow of fuel through the fuel passageway; a piston rod at opposing ends being connected to the reciprocating valve element and a piston, respectively, the piston being slidably housed in a piston chamber defined by the nozzle housing; a spring being arranged at opposite ends to operatively cooperate with the piston and a spring retaining element, respectively, wherein the spring provides a biasing force to urge the reciprocating element via the piston and the piston rod to unseat from the fuel outlet; and an end cap fitted to the nozzle housing, the end cap being arranged to house the spring and internally including a plurality of spaced apart recesses each being adapted to removably receive a locking element which engages the spring retaining element and, depending on the recess in which the locking element is located, vary the biasing force in the spring.