Low surface energy dripless fuel spout

Details Low surface energy dripless fuel spout Low surface energy dripless fuel spout

2005-09-13

2005-09-13

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

C141S31100A, C141S392000

Reexamination Certificate

active

06941984

ABSTRACT:
A tubular spout is fluidly connected to a nozzle body. The nozzle body having a main valve for regulating the flow of a supply of fuel to the spout. Within the tubular spout is a dripless valve that moves to an open position allowing for the flow of fuel out the spout and to a closed position shutting off the flow of fuel out of the spout. According to the present invention at least a portion of the dripless valve surface has a surface energy less than the surface tension of the fuel being dispensed.

REFERENCES:
patent: 5377729 (1995-01-01), Reep
patent: 5603364 (1997-02-01), Kerssies
patent: 5620032 (1997-04-01), Dame
patent: 5645116 (1997-07-01), McDonald
patent: 6810920 (2004-11-01), Rolling

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