Gravity feed ball-in-seat valve with extension unit for...

Details Gravity feed ball-in-seat valve with extension unit for... Gravity feed ball-in-seat valve with extension unit for...

2007-05-15

2007-05-15

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Filling means with receiver or receiver coacting means

Supply means carried receiver flow control opening means

C141S069000, C141S100000, C141S301000, C123S00100A, C123S0730AD, C137S114000

Reexamination Certificate

active

11074199

ABSTRACT:
A simple, reliable system is provided for automatically dosing vehicle fuel tanks with a fuel additive, particularly a concentrate containing a fuel borne catalyst (FBC), using gravity as the means of injection, preferably with no electronics or complex mechanical parts. The system includes a supply line for feeding fuel additive by gravity from an additive reservoir and opening into a filler spout of a fuel tank, a ball-in-seat valve at the end of the supply line biased in normally closed position and operable to an open position by mechanically pressing a release on the ball-in-seat valve, and a pivotable lever positioned within the filler spout and including a projection capable of mating with the ball-in-seat valve release upon pivotable movement. Upon insertion of a filler hose into the filler spout, the filler hose moves the lever and projection to press the release on the ball-in-seat valve thereby dispensing additive.

REFERENCES:
patent: 4402351 (1983-09-01), Momura et al.
patent: 4596277 (1986-06-01), Djordjevic
patent: 4971118 (1990-11-01), Cluff
patent: 5992473 (1999-11-01), Hammonds

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