Valve

Details Valve Valve

1975-06-10

1976-12-07

Price, William

Fluid handling

Line condition change responsive valves

Direct response valves

137532, 137539, 220202, 220303, B65D 5116, F16K 1712, F16K 2108

Patent

active

039956571

ABSTRACT:
A liquid fuel filler cap provided with a valve assembly in a channel extending through said cap said valve assembly comprising means defining at least part of a channel, a valve seat in said channel, a valve member adapted to co-operate with said valve seat to seal said channel, and means to bias said valve member into engagement with said seat, said biasing means comprising a pivoted member comprising a first portion which is adapted to move said valve member, and a second portion, and means for engaging with said second portion and for imparting a turning moment to said pivoted member which is greater than and in the opposite sense to the turning moment imparted to the pivoted member by said valve member alone when the valve member moves away from the valve seat, said first portion and said second portion being on opposite sides of the point of pivotal support of said pivoted member.

REFERENCES:
patent: 170268 (1875-11-01), Hudson
patent: 325553 (1885-09-01), McKeen
patent: 777654 (1904-12-01), Hoon et al.
patent: 1000206 (1911-08-01), Spurge
patent: 1151230 (1915-08-01), Wilson
patent: 1372506 (1921-03-01), Hartley
patent: 1460900 (1923-07-01), Harris et al.
patent: 1520585 (1924-12-01), Lusson
patent: 1699101 (1929-01-01), Drager
patent: 1817127 (1931-08-01), Crockett
patent: 2169410 (1939-08-01), Drane

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