Reservoir fill tube with anti-leak valve

Details Reservoir fill tube with anti-leak valve Reservoir fill tube with anti-leak valve

1990-10-09

1993-03-02

Pollard, Steven M.

Receptacles

Container attachment or adjunct

Filling member

B65D 9000

Patent

active

051901803

ABSTRACT:
A reservoir fill tube assembly (6) with an anti-leak valve includes a flapper valve (11) attached to the reservoir end (10) of the assembly (6). The valve (11) hangs open when reservoir pressure equals ambient pressure. When reservoir pressure exceeds ambient pressure and the reservoir (5) fluid attempts to exit through the fill tube (7), the flapper valve (11) closes and prevents leakage.

REFERENCES:
patent: 1492777 (1924-05-01), Clarke
patent: 1914464 (1933-06-01), Simpson
patent: 2340936 (1944-02-01), Cook
patent: 2613013 (1952-10-01), Van Pelt
patent: 3458085 (1969-07-01), Clemenson
patent: 4702386 (1987-10-01), Boehmer et al.
patent: 4821908 (1989-04-01), Yost
patent: 4946060 (1990-08-01), Sherwood et al.
patent: 4955950 (1990-09-01), Seiichi et al.

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