Float arm operated valve

Details Float arm operated valve Float arm operated valve

1978-03-06

1980-03-25

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137443, F16K 3118, F16K 3300

Patent

active

041945255

ABSTRACT:
A liquid level control valve including a cylinder member formed with a passage between an inlet and an outlet; a piston member slidable within the cylinder member, the piston and cylinder members being movable with respect to each other between a position in which the piston obturates the passage through the cylinder and a position in which the passage is open; a lever arm pivoted about an axis on one of the members and connectable to a float so that it is movable in response to the movement of the float on a body of liquid the level of which is to be controlled; and a linkage pivotally connected between the other member and the lever arm at a position on the lever arm spaced from the first mentioned pivot axis.

REFERENCES:
patent: 947106 (1910-01-01), Kirk
patent: 1041257 (1912-10-01), Ellis
patent: 1148835 (1915-08-01), Florey
patent: 2430152 (1947-11-01), Wiley
patent: 3406711 (1968-10-01), Fogg

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